Enhancing Abiotic Stress Tolerance in Cereals Through Breeding and Transgenic Interventions

Plant Breeding Reviews

Volumn 33, Issue , 2010, Pages 31-114

  Dwivedi, Sangam ^a   Upadhyaya, Hari ^a   Subudhi, Prasanta ^b   Gehring, Chris ^c   Bajic, Vladimir ^c   Ortiz, Rodomiro ^d  

^a INTERNATIONAL CROPS RESEARCH INSTITUTE FOR THE SEMI ARID TROPICS ICRISAT   (India)

^b LOUISIANA STATE UNIVERSITY AGRICULTURAL CENTER   (United States)

^c UNIVERSITY OF THE WESTERN CAPE   (South Africa)

^d INTERNATIONAL MAIZE AND WHEAT IMPROVEMENT CENTER CIMMYT   (Mexico)

Author keywords

Abiotic stress adaptation through breeding and transgenic intervention; Enhancing abiotic stress tolerance in cereals breeding and transgenic interventions; Natural genetic variations and trait based breeding

Indexed keywords

EID: 84858428151     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1002/9780470535486.ch2     Document Type: Chapter

References (374)

1. Ali, A.J., J.L. Xu, A.M. Ismail, B.Y. Fu, C.H.M. Vijayakumar, Y.M. Gao, J. Domingo, R. Maghirang, S.B. Yu, G. Gregorio, S. Yanaghihara, M. Cohen, B. Carmen, D. Mackill, and Z.K. Li. 2006. Hidden diversity for abiotic and biotic stress tolerances in the primary gene pool of rice revealed by a large backcross breeding program. Field Crops Res. 97:66-76.
2. Ali, M.L., M.S. Pathan, J. Zhang, G. Bai, S. Sarkarug, and H.T. Nguyen. 2000. Mapping QTLs for root traits in a recombinant inbred population from two indica ecotypes in rice. Theor. Appl. Genet. 101:756-766.
3. Al Shahrour, F., P. Minguez, J. Tarraga, I. Medina, E. Alloza, D. Montaner, and J. Dopazo. 2007. FatiGO+: A functional profiling tool for genomic data. Integration of functional annotation, regulatory motifs and interaction data with microarray experiments. Nucl. Acids Res. 35:91-96.
4. Alves da Costa, P.H., A.D. de Azevedo Neto, M.A. Bezerra, J.T. Prisco, and E. Gomes-Filho. 2005. Antioxidant-enzymatic system of two sorghum genotypes differing in salt tolerance. Braz. J. Plant Physiol. 17:353-361.
5. Andrew, D.J., and K.A. Kumar. 1996. Use of theWest African pearl millet landrace Iniadi in cultivar development. Plant Genet. Resour. Newsl. 105:15-22.
6. Araus, J.L., T. Amaro, J. Voltas, H. Nakkoul, and M.M. Nachit. 1998. Chlorophyll fluorescence as a selection criterion for grain yield in durum wheat under Mediterranean conditions. Field Crops Res. 55:209-223.
7. Araus, J.L., G.A. Slafer, M.P. Reynolds, and C. Royo. 2002. Plant breeding and drought in C3 cereals: What we should breed for? Ann. Bot. 89:925-940.
8. Ashraf, M., M. Arfan, and A. Ahmad. 2003. Evaluation of usefulness of senescing agent potassium iodide for assessing inter-cultivar variation for drought tolerance in pearl millet (Pennisetum glaucum (L.) R. Br.). Australian J. Expt. Agric. 43:1337-1343.
9. Ashraf, M., and P.J.C. Harris. 2004. Potential biochemical indicators of salinity tolerance in plants. Plant Sci. 166:3-16.
10. + ratio as an indication of the salt tolerance of three sorghum cultivars grown under salinity stress and IAA treatment. Acta Agronom. Hungarica 52:287-296.
11. Babu, C.R., B.D. Nguyen, V. Chamarerk, P. Shanmugasundaram, P. Chezhian, P. Jeyaprakash, S.K. Ganesh, A. Palchamy, S. Sadasivam, S. Sarkarung, L.J. Wade, and H.T. Nguyen. 2003. Genetic analysis of drought resistance in rice by molecular markers: Association between secondary traits and field performance. Crop Sci. 43:1457-1469.
12. Baheri, S.F., A. Javanshir, H. Kazemi, and S. Aharizad. 2003. Evaluation of different drought tolerance indices in some spring barley genotypes. Agric. Sci. (Tabriz). 13: Pe95-Pe105.
13. Bahieldin, A., H.T. Mahfouz, H.F. Eissa, O.M. Saleh, A.M. Ramadan, I.A. Ahmed, W.E. Dyer, H.A. El-Itriby, and M.A. Madkour. 2005. Field evaluation of transgenic wheat plants stably expressing the HVA1 gene for drought tolerance. Physiol. Plant. 123:421-427.
14. Baier, A.C., D.L. Somers, and J.P. Gustafson. 1995. Aluminum tolerance in wheat: Correlating hydroponic evaluation with field and soil performances. Plant Breed. 114:291-296.
15. Balfourier, F., V. Roussel, P. Strelchenko, F. Exbrayat-Vinson, P. Sourdille, G. Boutet, J. Koenig, C. Ravel, O. Mitrofanova, M. Beckert, and G. Charmet. 2007. A worldwide bread wheat core collection arrayed in a 384-well plate. Theor. Appl. Genet. 114:1265-1275.
16. Bänziger, M., P.S. Setimela, D. Hodson, and B. Vivek. 2006. Breeding for improved abiotic stress tolerance in maize adapted to southern Africa. Agric. Water Management 80:212-224.
17. Barnabás, B., K. Jäger, and A. Fehér. 2008. The effect of drought and heat stress on reproductive processes in cereals. Plant Cell Environ. 31:11-38.
18. Bartels, D., and R. Sunkar. 2005. Drought and salt tolerance in plants. Critical Rev. Plant Sci. 24:23-58.
19. Baum, M., S. Grando, G. Backes, A. Jahoor, A. Sabbagh, and S. Ceccarelli. 2003. QTLs for agronomic traits in the Mediterranean environment identified in recombinant inbred lines of the cross Arta ×H. spontaneum 41-1. Theor. Appl. Genet. 107:1215-1225.
20. Bennet, J. 2003. Opportunities for increasing water productivity of CGIAR crops through plant breeding and molecular biology. pp. 103-126. In:W. Kijne, R. Barker and D. Molden (eds.), Water productivity in agriculture: Limits and opportunities for improvement. CABI, Wallingford, Oxon, UK.
21. Bernier, J., A.Kumar, V. Ramaiah, D. Spaner, and G. Atlin. 2007.Alarge-effectQTLfor grain yield under reproductive-stage drought stress in upland rice. Crop Sci. 47:507-518.
22. Bhalla, P.L. 2006. Genetic engineering of wheat-current challenges and opportunities. Trends Biotechnol. 24:305-311.
23. Bhat, P.R., A. Lukaszewski, X. Cui, J. Xu, J.T. Svensson, S.Wanamaker, J.G.Waines, and T.J. Close. 2007. Mapping translocation breakpoints using a wheat microarray. Nucl. Acids Res. 35:2936-2943.
24. Bidinger, F.R., R.B. Musgrave, and R.A. Fischer. 1977. Contributions of stored pre-anthesis accumulate to grain yield in winter wheat and barley. Nature 270:431-433.
25. Bidinger, F.R., T. Napolean, C.T. Hash, R.S. Yadav, and C.J. Howarth. 2007. Quantitative trait loci for grain yield in pearl millet under variable postflowering moisture conditions. Crop Sci. 47:969-980.
26. Bidinger, F.R., R. Serraj, S.M.H. Rizvi, C.J. Howarth, R.S. Yadav, and C.T. Hash. 2005. Field evaluation of drought tolerance QTL effects on phenotype and adaptation in pearl millet [Pennisetum glaucum (L.) R. Br.] topcross hybrids. Field Crops Res. 94:14-32.
27. Birch, R.G. 1997. Plant transformation: Problems and strategies for practical application. Ann. Rev. Plant Physiol. Plant Mol. Biol. 48:297-326.
28. Blum, A. 1985. Postanthesis and transpiration in leaves and ears of wheat and barley varieties. J. Expt. Bot. 36:432-440.
29. Blum, A., B. Sinmena, J. Mayer, G. Golan, and L. Shpiler. 1994. Stem reserve mobilization supports wheat grain filling under heat stress. Aust. J. Plant Physiol. 21:771-781.
30. Borrell, A.K., G.L. Hammer, and A.C.L. Douglas. 2000a. Does maintaining green leaf area in sorghum improve yield under drought? I. Leaf growth and senescence. Crop Sci. 40:1026-1037.
31. Borrell, A.K., G.L. Hammer, and R.G. Henzell. 2000b. Does maintaining green leaf area in sorghum improve yield under drought? II. Dry matter production and yield. Crop Sci. 40:1037-1048.
32. Borrell, A.K., Y.Z. Tao, and C.L. McIntyre. 2000c. Physiological basis, QTL and MAS for stay-green drought resistance trait in grain sorghum. pp. 142-146. In: M. Ribaut and D. Poland (eds.), Molecular approaches for genetic improvement of cereals for stable production in water-limited environments. A strategic planning workshop held at CIMMYT, El Batan, Mexico, 21-25 June 1999, Mexico, CIMMYT.
33. Bortiri, E., D. Jackson, and S. Hake. 2006. Advances in maize genomics: The emergence of positional cloning. Curr. Opin. Plant Biol. 9:164-171.
34. Boyer, J.S., and M.E. Westgate. 2004. Grain yields with limited water. J. Expt. Bot. 55:2385-2394.
35. +-pyrophosphatase TVP1 improve salt-and drought-stress tolerance in Arabidopsis thaliana plants. J. Expt. Bot. 58:301-308.
36. Buchanan, C.D., S.Lim, R.A.Salzman, I.Kagiampakis, D.T.Morishige, B.D.Weers, R.R.Klein, L. H. Pratt, M.M. Cordonnier-Pratt, P.E. Klein, and J.E. Mullet. 2005. Sorghum bicolor's transcriptome response to dehydration, high salinity andABA. Plant Mol. Biol. 58:699-720.
37. Byrne, P.F., and M.D. McMullen. 1996. Defining genes for agricultural traits: QTL analysis and the candidate gene approach. Probe 7:24-27.
38. + exclusion loci in wheat, Nax2 and Kna1. Plant Physiol 143:1918-1928.
39. Campos, H., M. Cooper, J.E. Habben, G.O. Edmeades, and J.R. Schussler. 2004. Improving drought tolerance in maize: a view from industry. Field Crops Res. 90:19-34.
40. Caniato, F.F., C.T. Guimarães, R.E. Schaffert, V.M.C. Alves, L.V. Kochian, A. Borém, P.E. Klein, and J.V. Magalhaes. 2007. Genetic diversity for aluminum tolerance in sorghum. Theor. Appl. Genet. 114:863-876.
41. Capell, T., L. Bassie, and P. Christou. 2004. Modulation of the polyamine biosynthetic pathway in transgenic rice confers tolerance to drought stress. Proc. Natl. Acad. Sci. (USA) 101:9909-9914.
42. Carlson, S.R., G.W. Rudgers, H. Zieler, J.M. Mach, S. Luo, E. Grunden, C. Krol, G.P. Copenhaver, and D. Preuss. 2007. Meiotic transmission of an in vitro-assembled autonomous maize chromosome. PLoS Genet. 3:e179.
43. Carvalho, M.A.A.P., J.J. Slaski, I. Abreu, F.T. Gananga, T.M.M. dos Santos, L. Freitas, M.R.C. Vieira, A. Nunes, A. Domingues, and G.J. Taylor. 2004. Factors contributing to the development of aluminum resistance in the Madeiran maize germplasm. J. Plant Nutr. Soil Sci. 167:93-98.
44. Carver, B.F., W.E. Whitmore, E.L. Smith, and L. Bona. 1993. Registration of four aluminum tolerant winter wheat germplasms and two susceptible near-isolines. Crop Sci. 33:1113-1114.
45. Castiglioni, P., D.Warner, R.J. Bensen, D.A. Anstrom, J. Harrison, M. Stoecker, M. Abad, G. Kumar, S. Salvador, R. D'Ordine, S. Navarro, S. Back, M. Fernandes, J. Targolli, S. Dasgupta, C. Bonin, M.H. Luethy, and J.E. Heard. 2008. BacterialRNAchaperones confer abiotic stress tolerance in plants and improved grain yield in maize under water-limited conditions. Plant Physiol. 147:446-455.
46. Cattivelli, L., F. Rizza, F.-W. Badeck, E. Mazzucotelli, A.M. Mastrangelo, E. Francia, C. Maré, A. Tondelli, and A.M. Stanca. 2008. Drought tolerance improvement in crop plants: An integrated view from breeding to genomics. Field Crops Res. 108:1-14.
47. Ceccarelli, S., S. Grando, and M. Baum. 2007. Participatory plant breeding in water-limited environments. Expl. Agric. 43:411-435.
48. Chandrababu, R., J. Zhang, A. Blum, T.H.D. Ho, R. Wu, and H.T. Nguyen. 2004. HVA1, a LEA gene from barley, confers dehydration tolerance in transgenic rice (Oryza sativa L.) via cell membrane protection. Plant Sci. 166:855-862.
49. Chaves, M.M., J.P. Maroco, and J.S. Pereira. 2003. Understanding plant responses to drought-from genes to the whole plant. Funct. Plant Biol. 30:239-264.
50. Chen, Z., M. Zhou, I.A. Newman, N.J. Mendham, G. Zhang, and S. Shabala. 2007. Potassium and sodium relations in salinised barley tissue as a basis of differential salt tolerance. Funct. Plant Biol. 34:150-162.
51. Chimenti, C.A., M. Marcantonio, and A.J. Hall. 2006. Divergent selection for osmotic adjustment results in improved drought tolerance in maize (Zea mays L.) in both early growth and flowering phases. Field Crops Res 95:305-315.
52. Chopra, R.K., and D.S. Selote. 2007. Acclimation to drought stress generates oxidative stress tolerance in drought resistant than susceptible wheat cultivar under field conditions. Environ. Expt. Bot. 60:276-283.
53. Colmer, T.D., T.J. Flowers, and R. Munns. 2006. Use of wild relatives to improve salt tolerance in wheat. J. Expt. Bot. 57:1059-1078.
54. Colmer, T.D., R. Munns, and T.J. Flowers. 2005. Improving salt tolerance of wheat and barley: Future prospects. Australian J. Expt. Agric. 45:1425-1443.
55. Condon, A.G., R.A. Richards, G.J. Rebetzke, and G.D. Farquhar. 2004. Breeding for high water-use efficiency. J. Expt. Bot. 55:2447-2460.
56. Conway, G., and G. Toenniessen. 1999. Feeding the world in the twenty-first century. Nature 402:C55-C58.
57. Cuadrado, A., R. Acevedo, S.M.D. de la Espina, N. Jouve, and C. de la Torre. 2004. Genome remodelling in three modern S. officinarum×S. spontaneum sugarcane cultivars. J. Expt. Bot. 55:847-854.
58. Das-Chatterjee, A., L. Goswami, S. Maitra, K.G. Dastidar, S. Ray, and A.L. Majumdar. 2006. Introgression of a novel salt-tolerant L-myo-inositol 1-phosphate synthase from Porteresia coarctata (Roxb.) Tateoka (PcINO1) confers salt tolerance to evolutionary diverse organisms. FEBS Letters 580:3980-3988.
59. Dashti, H., B. Yazdi-Samadi, M. Ghannadha, M.R. Naghavi, and S. Quarri. 2007. QTL analysis for drought resistance wheat using double haploid lines. Int. J. Agric. Biol. 9:98-101.
60. Datta, K., and S.K. Datta. 2006. Indica rice (Oryza sativa, BR29 and IR64). Methods Mol. Biol. 343:201-212.
61. Davenport, R., R.A. James, A. Zakrisson-Plogander, M. Tester, and R. Munns. 2005. Control of sodium transport in durum wheat. Plant Physiol. 137:807-818.
62. de Costa, W., C. Zörb, W. Hartung, and S. Schubert. 2007. Salt resistance is determined by osmotic adjustment and abscisic acid in newly developed maize hybrids in the first phase of salt stress. Physiologia Plantarum 131:311-321.
63. de Dorlot, S., B. Froster, L. Pagés, A. Price, R. Tuberosa, and X. Draye. 2007. Root system architecture: Opportunities and constraints for genetic improvement of crops. Trends Plant Sci. 12:474-481.
64. Delhaize, E., P.R. Ryan, D.M. Hebb, Y. Yamamoto, T. Sasaki, and H. Matsumoto. 2004. Engineering high-level aluminum tolerance in barley with the ALMT1 gene. Proc. Natl. Acad. Sci. (USA) 101:15249-15254.
65. Denby, K., and C. Gehring. 2005. Engineering drought and salinity tolerance in plants: Lessons from genome-wide expression profiling in Arabidopsis. Trends Biotechnol. 23:547-552.
66. Diab, A.A., B. Teulat-Merah, D. This, N.Z. Ozturk, D. Benscher, and M.E. Sorrells. 2004. Identification of drought-inducible genes and differentially expressed sequence tags in barley. Theor. Appl. Genet. 109:1417-1425.
67. Díaz De León, J.L., R. Escoppinichi, R. Zavala, and A. Muzeeb-Kazi. 2000. A sea-water based salinity testing protocol and the performance of a tester set of accumulated wheat germplasms. Annu. Wheat Newslet. 46:88-90.
68. Diener, A.C., R.A. Gaxiola, and G.R. Fink. 2001. Arabidopsis ALF5, a multidrug efflux transporter gene family member, confers resistance to toxins. Plant Cell 13:1625-1637.
69. Ding, J., H. Araki, Q. Wang, P. Zhang, S. Yang, J.Q. Chen, and D. Tian. 2007. Highly asymmetric rice genomes. BMC Genom. 8:154.
70. Donaldson, L., N. Ludidi, M.R. Knight, C. Gehring, and K. Denby. 2004. Salt and osmotic stress cause rapid increases in Arabidopsis thaliana cGMP levels. FEBS Lett. 569:317-320.
71. + discrimination locus Kna1 in wheat. Theor. Appl. Genet. 92:448-454.
72. Dubouzet, J.G., Y. Sakuma, Y. Ito, M. Kasuga, E.G. Dubouzet, S. Miura, M. Seki, K. Shinozaki, and K. Yamaguchi-Shinozaki. 2003. OsDREB genes in rice, Oryza sativa L., encode transcription activators that function in drought-, high-salt-and coldresponsive gene expression. Plant J. 33:751-763.
73. Dugas, D.V., and B. Bartel. 2004. MicroRNA regulation of gene expression in plants. Curr. Opin. Plant Biol. 7:512-520.
74. Dwivedi, S.L., J.H. Crouch, D.J. Mackill, Y. Xu, M.W. Blair, M. Ragot, H.D. Upadhyaya, and R. Ortiz. 2007. The molecularization of public sector crop breeding: Progress, problems, and prospects. Adv. Agron. 95:163-318.
75. El-Hendawy, S.E., Y. Hu, and U. Schmidhalter. 2007. Assessing the suitability of various physiological traits to screen wheat genotypes for salt tolerance. J. Integr. Plant Biol. 49:1352-1360.
76. Eticha, D., A. Stass, andW.J. Horst. 2005. Cell-wall pectin and its degree of methylation in the maize root-apex: Significance for genotypic differences in aluminum resistance. Plant Cell Environ. 28:1410-1420.
77. Farshadfar, E., and R. Mohammadi. 2005. Analysis of genetic control of drought tolerance in Sheynne wheat cultivar using substitution lines. Seed Plant 21:Pe93-Pe108.
78. 13O with wheat phenology and yield under water-limited conditions. Ann. Appl. Biol. 150:207-215.
79. Flowers, T.J., and T.D. Colmer. 2008. Salinity tolerance in halophytes. New Phyto. 179:945-963.
80. Flowers, T.J., and S.A. Flowers. 2005. Why does salinity pose such a difficult problem for plant breeders? Agric. Water Management 78:15-24.
81. Flowers, T.J., and M.A. Hajibagheri. 2001. Salinity tolerance in Hordeum vulgare: Ion concentrations in root cells of cultivars differing in salt tolerance. Plant and Soil 231:1-9.
82. Flowers, T.J., M.A. Hajibagheri, and N.J.W. Clipson. 1986. Halophytes. Quart. Rev. Biol. 61:313-337.
83. Fontecha, G., J. Silva-Navas, C. Benito, M.A. Mestres, F.J. Espino, M.V. Hernandez-Riquer, and F.J. Gallego. 2007. Candidate gene identification of an aluminum-activated organic acid transporter gene at the Alt4 locus for aluminum tolerance in rye (Secale cereal L.). Theor. Appl. Genet. 114:249-260.
84. Forster, B.P., R.P. Ellis, J. Moir, V. Talamé, M.C. Sanguineti, R. Tuberosa, D. This, B. Teulat-Merah, I. Ahmed, S.A.E.E. Mariy, H. Bahri, M. El Ouahabi, N. Zoumarou-Wallis, M. El-Fellah, and M.B. Salem. 2004. Genotype and phenotype associations with drought tolerance in barley tested in North Africa. Ann. Appl. Biol. 144:157-168.
85. Forster, B.P., R.P. Ellis, W.T.B. Thomas, A.C. Newton, R. Tuberosa, D. This, R.A. El-Enein, M.H. Bahri, and M.B. Salem. 2002. The development and application of molecular markers for abiotic stress tolerance in barley. J. Expt. Bot. 51:19-27.
86. Foulkes, M.J., R. Sylvester-Bradley, R. Weightman, and J.W. Snape. 2007. Identifying physiological traits associated with improved drought resistance in winter wheat. Field Crops Res. 103:11-24.
87. Foy, C.D., H.N. Lafever, J.W. Schwartz, and A.L. Fleming. 1965. Aluminum tolerance of wheat cultivars related to region of origin. Agron. J. 66:751-758.
88. Frova, C., P. Krajewski, N. di Fonzo, M. Villa, and M. Sari-Goria. 1999. Genetic analysis of drought tolerance in maize by molecular markers. I. Yield components. Theor. Appl. Genet. 99:280-288.
89. Fu, B.Y., J.H. Xiong, L.H. Zhu, X.Q. Zhao, H.X. Xu, Y.M. Gao, Y.S. Li, J.L. Xu, and Z.K. Li. 2007. Identification of functional candidate genes for drought tolerance in rice. Mol. Genet. Genom. 278:599-609.
90. Fujii, M., C. Andoh, and S. Ishihara. 2004. Drought resistance of NERICA (new rice for Africa) compared with Oryza sativa L. and millet evaluated by stomatal conductance and soil water content. Int. Crop Science Congress, Brisbane, Australia (www.cropscience.org.au/icsc2004/poster/1/3/2/852_fujiim.htm).
91. + antiporter from rice. Plant Cell Physiol. 45:146-159.
92. Furukawa, J., N. Yamaji, H.Wang, N. Mitani, Y. Murata, K. Sato, M. Katsuhara, K. Takeda, and J.F. Ma. 2007. An aluminum-activated citrate transporter in barley. Plant Cell Physiol. 48:1081-1091.
93. Gan, S.S., and R.M. Amasino. 1995. Inhibition of leaf senescence by autoregulated production of cytokinin. Science 270:1986-1988.
94. Garg, A.K., J.K. Kim, T.G. Owens, A.P. Ranwala, Y.D. Choi, L.V. Kochian, and R.J.Wu. 2002. Trehalose accumulation in rice plants confers high tolerance levels to different abiotic stresses. Proc. Natl. Acad. Sci. (USA) 99:15898-15903.
95. - into the shoots. J. Expt. Bot. 56:2365-2378.
96. + concentration as a criterion for salinity tolerance in bread wheat. Plant Cell Environ. 30:1486-1498.
97. Giuliani, S., M.C. Sanguineti, R. Tuberosa, M. Bellotti, S. Salvi, and P. Landi. 2005. Root-ABA1, a major constitutive QTL, affects maize root architecture and leaf ABA concentration at different water regimes. J. Expt. Bot. 56:3061-3070.
98. Gorham, J., E. McDonnell, E. Budrewicz, and R.G.W. Jones. 1985. Salt tolerance inTriticeae: Growth and solute accumulation in leaves of Thinopyrum bessarabicum. J. Expt. Bot. 36:1021-1036.
99. Gororo, N.N., H.A. Eagles, R.F. Eastwood, M.E. Nicolas, and R.G. Flood. 2002. Use of Triticum tauschii to improve yield of wheat in low-yielding environments. Euphytica 123:241-254.
100. Gregersen, P.L., and P.B. Holm. 2007. Transcriptome analysis of senescence in the flag leaf of wheat (Triticum aestivum L.). Plant Biotechnol. J. 5:192-206.
101. Gregorio, G.B., D. Senadhira, R.D. Mendoza, N.L. Manigbas, J.P. Roxas, and C.Q. Guerta. 2002. Progress in breeding for associated salinity tolerance and associated traits in rice. Field Crops Res. 76:91-101.
102. Guo, P., M. Baum, R.K. Varshney, A. Graner, S. Grando, and S. Ceccarelli. 2008. QTLs for chlorophyll and chlorophyll fluorescence parameters in barley under post-flowering drought. Euphytica 163:2030214.
103. Harris, K., P.K. Subudhi, A. Borrell, D. Jordan, D. Rosenow, H. Nguyen, P. Klein, R. Klein, and J. Mullet. 2007. Sorghum stay-green QTL individually reduce post-flowering drought-induced leaf senescence. J. Expt. Bot. 58:327-338.
104. Hassnian, A.M., and M. Azab. 1993. Salt tolerance of grain sorghum. pp. 153-156. In: H. Leith and A. Al-Masoom (eds.), Towards the rational use of high salinity tolerant plants. Kluwer Academic Publishers, the Netherlands.
105. Hirasawa, H., H. Nemoto, R. Suga, M. Ishihara, M. Hirayama, K. Okamoto, and M. Miyamoto. 2004. Breeding a new upland variety 'Yumenohatamochi' with high drought resistance and good eating quality. Breed. Sci. 48:415-419.
106. Hirayama, M., Y.Wada, and H. Nemoto. 2006. Estimation of drought tolerance based on leaf temperature in upland rice breeding. Breed. Sci. 56:47-54.
107. Hoekenga, O.A., L.G.Maron, M.A. Pineros, G.M.A. Cancado, J. Shaff, Y.Kobayashi, P.R. Ryan, B.Dong, E. Delhaize, T.Sasaki, H.Matsumoto, Y. Yamamoto, H.Koyama, andL.V.Kochian. 2006.AtALMT1, which encodes a malate transporter, is identified as one of the several genes critical for aluminumtolerance inArabidopsis.Proc.Natl.Acad. Sci. (USA)103:9738-9743.
108. Horie, T., and J.I. Schroeder. 2004. Sodium transporters in plants: Diverse genes and physiological functions. Plant Physiol. 136:2457-2462.
109. Hoshida, H., Y. Tanaka, T. Hibino, Y. Hayashi, A. Tanaka, and T. Takabe. 2000. Enhanced tolerance to salt stress in transgenic rice that over expresses chloroplast glutamine synthetase. Plant Mol. Biol. 43:103-111.
110. Hossain, A.K.M.Z., T. Ohno, H. Koyama, and T. Hara. 2005. Effect of enhanced calcium supply on aluminum toxicity in relation to cell wall properties in the root apex of two wheat cultivars differing in aluminum resistance. Plant Soil 276: 193-204.
111. Hu, H., M. Dai, J.Yao, B. Xiao, X. Li, Q. Zhang, and L. Xiong. 2006a. Overexpressing aNAM, ATAF, and CUC (NAC) transcription factor enhances drought resistance and salt tolerance in rice. Proc. Natl. Acad. Sci. (USA) 103:12987-12992.
112. Hu, S., H. Mei, G. Zou, H. Liu, G. Liu, R. Cai, M. Li, and L. Luo. 2006b. Analysis of quantitative trait loci for chlorophyll content in rice leaves under drought stress. J. Plant Ecol. 30:479-486.
113. Huang, C.Y., M.S.Ayliffe, and J.N. Timmis. 2003. Direct measurement of the transfer rate of chloroplast DNA into the nucleus. Nature 422:72-76.
114. Huang, E., L. Yang, R. Chowdhary, A. Kassim, and V. Bajic. 2005. An algorithm for ab initio DNA motif detection. pp. 611-614. In: V.B. Bajic and T.T. Wee (eds.), Information processing and living systems. Imperial College Press, London.
115. Huang, S., W. Spielmeyer, E.S. Lagudah, R.A. James, J.D. Platten, E.S. Dennis, and R. Munns. 2006. A sodium transporter (HKT7) is a candidate for Nax1, a gene for salt tolerance in durum wheat. Plant Physiol. 142:1718-1727.
116. Hui, J., X.Wei, Y.L. Xu, and E. Lin. 2005. Impacts of climate change on wheat yield in China. Acta Agronom. Sinica 31:1340-1343.
117. ICRISAT. 2006. Global themes: Biotechnology and crop improvement 2005-2006. pp. 90, 296-297. In: Archival report-from gene to germplasm. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
118. ICRISAT. 2007. The productivity and livelihoods of success in the SAT nourished. pp. 211-212. In: Archival report. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
119. IRGSP. 2005. The map-based sequence of the rice genome. Nature 436:793-800.
120. Ishida, Y., Y. Hiei, and T. Komari. 2007. Agrobacterium-mediated transformation of maize. Nat. Protoc. 2:1614-1621.
121. Ismail, A.M., S. Heuer, M.J. Thomson, and M. Wissuwa. 2007. Genetic and genomic approaches to develop rice germplasm for problem soils. PlantMol. Biol. 65:547-570.
122. Ito, Y., K. Katsura, K. Maruyama, T. Taji, M. Kobayashi, M. Seki, K. Shinozaki, and K. Yamaguchi-Shinozaki. 2006. Functional analysis of rice DREB1/CBFtype transcription factors involved in cold responsive gene expression in transgenic rice. Plant Cell Physiol. 47:141-153.
123. + exclusion in durum wheat. Nax1 and Nax2. Plant Physiol. 142:1537-1547.
124. Jiang, G.H., Y.Q. He, C.G. Xu, X.H. Li, and Q. Zhang. 2004. The genetic basis of stay-green in rice analyzed in a population of doubled haploid lines derived from an indica by japonica cross. Theor. Appl. Genet. 108:688-698.
125. Jithesh, M.N., S.R. Prashanth, K.R. Sivaprakash, and A.K. Parida. 2006. Monitoring expression profiles of antioxidant genes to salinity, iron, oxidative, light and hyperosmotic stresses in highly salt tolerant grey mangrove, Avicennia marina (Forsk.) Vierh by mRNA analysis. Plant Cell Rep. 25:865-876.
126. Jones, P.G., and P.K. Thornton. 2003. The potential impact of climate change on maize production in Africa and Latin America in 2055. Global Environ. Change 13:51-59.
127. Kamara, A.Y., I. Kureh, A. Menkir, P. Kartung, B. Tarfa, and P. Amaza. 2006. Participatory on-farm evaluation of the performance of drought-tolerant maize varieties in the Guinea savannas of Nigeria. J. Food Agric. Environ. 4:192-196.
128. Kamoshita, A., L.J.Wade, M.L. Ali, M.S. Pathan, J. Zhang, S. Sarakarung, and H.T. Nguyen. 2002. Mapping QTL for root morphology of a rice population adapted to rainfed lowland conditions. Theor. Appl. Genet. 104:880-893.
129. Karaba, A., S. Dixit, R. Greco, A. Aharoni, K.R. Trijatmiko, N. Marsch-Martinez, A. Krishnan, K.B. Nataraja, M. Udayakumar, and A. Pereira. 2007. Improvement of water use efficiency in rice by expression ofHARDY, anArabidopsis drought and salt tolerance gene. Proc. Natl. Acad. Sci. (USA) 104:15270-15275.
130. Kasuga, M.Q., S. Liu, K. Miura, K. Yamaguchi-Shinozaki, and K. Shinozaki. 1999. Improving plant drought, salt, and freezing tolerance by gene transfer of a single stressinducible transcription factor. Nat. Biotech. 17:287-291.
131. Kebede, H., P.K. Subudhi, D.T. Rosenow, and H.T. Nguyen. 2001. Quantitative trait loci influencing drought tolerance in grain sorghum (Sorghum bicolor L. Moench). Theor. Appl. Genet. 103:266-276.
132. Khan, A.A., and T. McNeilly. 1998. Variability in aluminum and manganese tolerance among maize accessions. Genet. Resour. Crop Evol. 45:525-531.
133. Khan, A.A., S.A. Rao, and T. McNeilly. 2003. Assessment of salinity tolerance based upon seedling root growth response functions in maize (Zea mays L.). Euphytica 131:81-89.
134. King, I.P., B.P. Forster, C.C. Law, K.A. Cant, S.E. Orford, J. Gorham, S. Reader, and T.E. Miller. 1997a. Introgression of salt-tolerance genes from Thinopyrum bessarabicum into wheat. New Phytol. 137:75-81.
135. King, I.P., C.N.Law, K.A. Cant, S.E. Orford, S.M. Reader, andT.E. Miller. 1997b.Tritipyrum, a potential new salt tolerant cereal. Plant Breed. 116:127-132.
136. Kirigwi, F.M., M. van Ginkel, G. Brown-Guedira, B.S. Gill, G.M. Paulsen, and A.K. Fritz. 2007. Markers associated with a QTL for grain yield in wheat under drought. Mol. Breed. 20:401-413.
137. Kishitani, S., T. Takanami, M. Suzuki, M. Oikawa, S. Yokoi, M. Ishitani, A.M. Alvarez-Nakase, and T. Takabe. 2000. Compatability of glycine betaine in rice plants: Evaluation using rice transgenic plants with a gene for peroxisomal betaine aldehyde dehydrogenase from barley. Plant Cell Environ. 23:107-114.
138. Kochian, L.V. 1995. Cellular mechanisms of aluminum toxicity and resistance in plants. Ann. Rev. Plant Physiol. Mol. Biol. 46:237-260.
139. Kochian, L.V., M.A. Piñeros, and O.A. Hoekenga. 2005. The physiology, genetics and molecular biology of plant aluminum resistance and toxicity. Plant Soil 274:175-195.
140. Koyama, M.L., A. Levesley, R.M.D. Koebner, T.J. Flowers, and A.R. Yeo. 2001. Quantitative trait loci for component physiological traits determining salt tolerance in rice. Plant Physiol. 125:406-422.
141. Krishnamurthy, L., R. Serraj, C.T. Hash, A.J. Dakheel, and B.V.S. Reddy. 2007a. Screening sorghum genotypes for salinity tolerant biomass production. Euphytica 156:15-24.
142. Krishnamurthy, L., R. Serraj, K.N. Rai, C.T. Hash, and A.J. Dakheel. 2007b. Identification of pearl millet [Pennisetum glaucum (L.) R. Br.] lines tolerant to soil salinity. Euphytica 158:179-188.
143. Kubo, K., I. Elouafi, N.Watanabe, M.M. Nachit, M.N. Inagaki, K. Iwama, and Y. Jitsuyama. 2007. Quantitative trait loci for soil-penetrating ability of roots in durum wheat. Plant Breed. 126:375-378.
144. Kumar, A., J. Bernier, S. Verulker, H.R. Lafitte, and G.N. Atlin. 2008. Breeding for drought tolerance: Direct selection for yield, response to selection and use of drought-tolerant donors in upland-and lowland-adapted populations. Field Crops Res. 107:221-231.
145. Kumar, R., R. Venuprasad, and G.N. Atlin. 2007. Genetic analysis of rainfed lowland rice drought tolerance under naturally stress in eastern India: Heritability and QTL effects. Field Crops Res. 103:42-52.
146. Kumar, S. 2006. Climate change and crop breeding objectives in the twenty-first century. Current Sci. 90:1053-1054.
147. Kumari, M., S. Dass, Y. Vimala, and P. Arora. 2004. Physiological parameters governing drought tolerance in maize. Indian J. Plant Physiol. 9:203-207.
148. Kusaka, M., M. Ohta, and T. Fujimura. 2005. Contribution of inorganic components to osmotic adjustment and leaf folding for drought tolerance in pearl millet. Physiologia Plantarum. 125:474-489.
149. Lafitte, H.R., Z.K. Li, C.H.M. Vijayakumar, Y.M. Gao, Y. Shi, J.L. Xu, B.Y. Fu, S.B. Yu, A.J. Ali, J. Domingo, R. Maghirang, R. Torres, and D. Mackill. 2006. Improvement of rice drought tolerance through backcross breeding: Evaluation of donors and selection in drought nurseries. Field Crops Res. 97:77-86.
150. Lanceras, J.C., G. Pantuwan, B. Jongdee, and T. Toojinda. 2004. Quantitative trait loci associated with drought tolerance at reproductive stage in rice. Plant Physiol. 135:384-399.
151. Landi, P., M.C. Sanguineti, S. Salvi, S. Giuliani, M. Bellotti, M. Maccaferri, S. Conti, and R. Tuberosa. 2005. Validation and characterization of a major QTL affecting leaf ABA concentration in maize. Mol. Breed. 15:291-303.
152. Lang, N.T., S.Yanagihara, and B.C. Buu. 2001.Amicrosatellite marker for a gene conferring salt tolerance on rice at the vegetative and reproductive stages. SABRAO J. Breed. Genet. 33:1-10.
153. Lee, S.Y., J.H. Ahn, Y.S. Cha, D.W. Yun, M.C. Lee, J.C. Ko, K.S. Lee, and M.Y. Eun. 2007. MappingQTLrelated to salinity tolerance of rice at the young seedling stage. Plant Breed. 126:43-46.
154. Li, L., Z. He, G.K. Pandey, T. Tsuchiya, and S. Luan. 2002. Functional cloning and characterization of a plant efflux carrier for multidrug and heavy metal detoxification. J. Biol. Chem. 277:5360-5368.
155. Li, X., X. Li, Z. Hao, Q. Tian, and S. Zhang. 2005. Consensus map of the QTL relevant to drought tolerance of maize under drought conditions. Scientia Agricultura Sinica 38:882-890.
156. Li, Y., W.Wei, Q. Ma, and Q. Zhou. 2003. The osmotic adjustment and photosynthesis of a wheat cultivar Hanfeng 9703 with high yield, drought resistance under drought stress. Acta Agronomica Sinica 29:759-764.
157. Li, Z., P. Mu, C. Li, H. Zhang, Z. Li, Y. Gao, and X.Wang. 2005. QTL mapping of root traits in a doubled haploid population from a cross between upland and lowland japonica rice in three environments. Theor. Appl. Genet. 110:1244-1252.
158. Ligaba, A., M. Katsuhara, P.R. Ryan, M. Shibasaka, and H. Matsumoto. 2006. TheBnALMT1 and BnALMT2 genes from rape encode aluminum-activated malate transporters that enhance the aluminum resistance of the plant cells. Plant Physiol. 142:1294-1303.
159. + uptake of the shoots and roots controlling rice salt tolerance. Theor. Appl. Genet. 108:253-260.
160. Lin, M., C. Lin, J. Chen, Y. Lin, S. Cheng, T. Liu, F. Jan, S.Wu, F. Thseng, and H. Ku. 2007. Tagging rice drought-relatedQTLwithSSRDNAmarkers. Crop Environ. Bioinf. 4:65-76.
161. Lindsay, M.P., E.S. Lagudah, R.A. Hare, and R. Munns. 2004. Alocus for sodium exclusion (Nax1), a trait for salt tolerance, mapped in durum wheat. Funct. Plant Biol. 31:1105-1114.
162. Liu, H., H. Mei, X. Yu, G. Zhou, G. Liu, and L. Luo. 2006. Towards improving the drought tolerance of rice in China. Plant Genet. Resour. 4:47-53.
163. Liu, K., M. Goodman, S. Muse, J.S. Smith, E. Buckler, and J. Doebley. 2003. Genetic structure and diversity among maize inbred lines as inferred from DNA microsatellites. Genetics 165:2117-2128.
164. Liu, S., and F. Song. 2007. Study on physiological character of root system between maize genotypes with different tolerance to drought. J. Zhejiang Univ. (Agric. and Life Sci.) 33:407-412.
165. Llugany, M., C. Poschenrieder, and J. Barcelò. 1995. Monitoring of aluminum-induced inhibition of root elongation in four maize cultivars differing in tolerance to aluminum and proton toxicity. Physiologia Plantarum 93:265-271.
166. Long, S.P., E.A. Ainsworth, A.D.B. Leakey, J. Nösberger, and D.R. Ort. 2006. Food for thought: Lower-than-expected crop yield stimulation with rising CO2 concentrations. Science 312:1918-1921.
167. Lorence, A., and R. Verpoorte. 2004. Gene transfer and expression in plants. Methods Mol. Biol. 267:329-350.
168. Lu, G., J. Dai, S. Zhang, W. Li, S. Chen, E. Zhu, and Y. Zhang. 2005. Drought resistance of elite maize inbred lines in different water stress conditions. Acta Agronom. Sinica 31:1284-1288.
169. Luo, Q.Y., W. Bellotti, M.Williams, and B. Bryan. 2005. Potential impact of climate change on wheat yields in South Australia. Agri. Forest Meterol. 132:273-285.
170. Ma, H., G. Bai, B.F. Carver, and L. Zhou. 2005a. Molecular mapping of a quantitative trait locus for aluminum tolerance in wheat cultivar Atlas 66. Theor. Appl. Genet. 112:51-57.
171. Ma, H., G. Bai, and W. Lu. 2006. Quantitative trait loci for aluminum resistance in wheat cultivar Chinese Spring. Plant Soil 283:239-249.
172. Ma, J.F., S. Nagao, K. Sato, H. Ito, J. Furukawa, and K. Takeda. 2004. Molecular mapping of a gene responsible for Al-activated secretion of citrate in barley. J. Expt. Bot. 401:1335-1341.
173. Ma, J.F., R. Shen, Z. Zhao, M. Wissuwa, Y. Takeuchi, T. Ebitani, and M. Yano. 2002. Response of rice to Al stress and identification of quantitative trait loci for Al tolerance. Plant Cell Physiol. 43:652-659.
174. Ma, L., E. Zhou, N. Huo, R. Zhou, G.Wang, and J. Jia. 2007. Genetic analysis of salt tolerance in a recombinant inbred population of wheat (Triticum aestivum L.). Euphytica 153:109-117.
175. Ma, X., Q. Qian, and D. Zhu. 2005. Expression of a calcineurin gene improves salt stress tolerance in transgenic rice. Plant Mol. Biol. 58:483-495.
176. Magalhaes, J.V., D.F. Garvin, Y.Wang, M.E. Sorrells, P.E. Klein, R.E. Schaffert, L. Li, and L.V. Kochian. 2004. Comparative mapping of a major aluminum tolerance gene in sorghum and other species in the Poaceae. Genetics 167:1905-1914.
177. Magalhaes, J.V., J. Liu, C.T. Guimarães, U.G.P. Lana, V.M.C. Alves, Y. Wang, R.E. Schaffert, O.A. Hoekenga, M.A. Piñeros, J.E. Shaff, P.E. Klein, N.P. Carneiro, C.M. Coelho, H.N. Trick, and L.V. Kochian. 2007. A gene in the multidrug and toxic compound extrusion (MATE) family confers aluminum tolerance in sorghum. Nat. Genet. 39:1156-1161.
178. Mahalakshmi, V., and F.R. Bidinger. 2002. Evaluation of stay-green sorghum germplasm lines at ICRISAT. Crop Sci. 42:965-974.
179. Majee, M., S. Maitra, K.G. Dastidar, S. Pattnaik, A. Chatterjee, N.C. Hait, K.P. Das, and A.L. Majumder. 2004. A novel salt-tolerant L-myo-inositol-1-phosphate synthase from Porteresia coarctata (Roxb.) Tateoka, a halophytic wild rice-molecular cloning, bacterial overexpression, characterization, and functional introgression into tobacco-conferring salt tolerance phenotype. J. Biol. Chem. 279:28539-28552.
180. Malysheva-Otto, L.V., M.W. Ganal, and M.S. Röder. 2006. Analysis of molecular diversity, population structure and linkage disequilibrium in a worldwide survey of cultivated barley germplasm (Hordeum vulgare L.). BMC Genet. 7:6.
181. Manickavelu, A., N. Nadarajan, S.K. Ganesh, R.P. Gnanamalar, and R.C. Babu. 2006. Drought tolerance in rice: Morphological and molecular genetic consideration. Plant Growth Regul. 50:121-138.
182. Manneh, B., P. Stam, P.C. Struik, S. Bruce-Oliver, and F.A. van Eeuwijk. 2007. QTL-based analysis of genotype-by-environment interaction for grain yield of rice in stress and nonstress environments. Euphytica 156:213-226.
183. Mano, Y., and K. Takeda. 1998. Genetic resources of salt tolerance in wild Hordeum species. Euphytica 103:137-141.
184. Mano, Y., and K. Takeda. 1997. Mapping quantitative trait loci for salt tolerance at germination and the seedling stage in barley (Hordeum vulgare L.). Euphytica 94:263-272.
185. Mariano, E.D., and W.G. Keltjens. 2003. Evaluating the role of root citrate exudation as a mechanism of aluminum resistance in maize genotypes. Plant Soil 256:469-479.
186. Mathur, P.B., V. Vandez, and K.K. Sharma. 2007. Transgenic approaches for abiotic stress tolerance in plants: Retrospect and prospects. Plant Cell Rep. DOI 10.1007/s00299-007-0474-9.
187. McGuire, P.E., and J. Dvôrák. 1981. High salt tolerance potential in wheatgrasses. Crop Sci. 21:702-705.
188. McKendry, A.L., D.N. Tague, and D.J. Somers. 1996. Aluminum tolerance of 1BL.1RS and 1AL.1RS near-isolines in soft and red winter wheat. Crop Sci. 36:987-990.
189. Meier, S., R. Bastian, L. Donaldson, S. Murray, V. Bajic, and C. Gehring. 2008. Co-expression and promoter content analyses assign a role in biotic and abiotic stress responses to plant natriuretic peptides. BMCPlant Biol. 8:24.www.biomedcentral.com/content/pdf/1471-2229-8-24.pdf.
190. Mifflin, B. 2000. Crop improvement in the 21st century. J. Expt. Botany 51:1-8.
191. Milford, M.H., and E.C.A. Runge. 2007. Beachell and Borlaug, two giants of the American Society of Agronomy's first century. Agron. J. 99:595-598.
192. Miller, T.E., N. Iqbal, S.M. Reader, A. Mahmood, K.A. Cant, and I.P. King. 1997. A cytogenetic approach to the improvement of aluminum tolerance in wheat. New Phytol. 137:93-98.
193. Minella, E., and M.E. Sorrells. 1992. Aluminum tolerance in barley: Genetic relationships among genotypes of diverse origin. Crop Sci. 32:593-598.
194. Miranda, J.A., N. Avonce, R. Suárez, J.M. Thevelein, P. van Dijck, and G. Iturriaga. 2007. A bifunctional TPS-TPP enzyme from yeast confers tolerance to multiple and extreme abiotic-stress conditions in transgenic Arabidopsis. Planta 226:1411-1421.
195. Mohanty, A., H. Kathuria, A. Ferjani, A. Sakamoto, P. Mohanty, N. Murata, and A.K. Tyagi. 2002. Transgenics of an elite indica rice variety Pusa Basmati 1 harboring the codA gene are highly tolerant to salt stress. Theor. Appl. Genet. 106:51-57.
196. Molden, D. (ed.). 2007.Water for food, water for life:Acomprehensive assessment of water management in agriculture. Earthscan, London.
197. Molnár, I., G. Linc, S. Dulai, E.D. Nagy, and M. Molnár-Láng. 2007. Ability of chromosome 4H to compensate for 4D in response to drought stress in a newly developed and identified wheat-barley 4H(4D) disomic substitution line. Plant Breed. 126:369-374.
198. Monneveux, P., D. Rekika, E. Acevedo, and O. Merah. 2006a. Effect of drought on leaf gas exchange, carbon isotope discrimination, transpiration efficiency and productivity in field grown durum wheat genotypes. Field Crops Res. 170:867-872.
199. Monneveux, P., C. Sánchez, D. Beck, and G.O. Edmeades. 2006b. Drought tolerance improvement in tropical maize source populations: Evidence of progress. Crop Sci. 46:180-191.
200. Monneveux, P., M.S. Sheshshayee, J. Akhter, and J.M. Ribaut. 2007. Using carbon isotope discrimination to select maize (Zea mays L.) inbred lines and hybrids for drought tolerance. Plant Sci. 173:390-396.
201. Morison, J.I.L., N.R. Baker, P.M. Mullineaux, andW.J. Davies. 2008. Improving water use in crop production. Philos. Trans R. Soc. London B Biol. Sci. 363:639-658.
202. + transport and transcript analysis in wheat-L. elongatum aneuploids under salt stress. Mol. Genet. Genom. 277:199-212.
203. Munns, R. 2005. Genes and salt tolerance: bringing them together. New Phytol. 167:645-663.
204. Munns, R., R.A. Hare, R.A. James, and G.J. Rebetzke. 2000. Genetic variation for improving the salt tolerance of durum wheat. Australian J. Agric. Res. 51:69-74.
205. Munns, R., and R.A. James. 2003. Screening methods for salinity tolerance: a case study with tetraploid wheat. Plant and Soil 253:201-218.
206. Munns, R., R.A. James, and A. Läuchli. 2006. Approaches to increasing the salt tolerance of wheat and other cereals. J. Expt. Bot. 57:1025-1043.
207. Munns, R., G.J. Rebetzke, S. Husain, R.A. James, and R.A. Hare. 2003. Genetic control of sodium exclusion in durum wheat. Australian J. Agric. Res. 54:627-635.
208. Nakashima, K., L.P. Tran, D.V. Nguyen, M. Fujita, K. Maruyama, D. Todaka, Y. Ito, N. Hayashi, K. Shinozaki, and K. Yamaguchi-Shinozaki. 2007. Functional analysis of a NAC-type transcripton factor OsNAC6 involved in abiotic and biotic stress-responsive gene expression in rice. Plant J. 51:617-630.
209. Nasir, U., M.H. Khan, M. Zubair, A.A. Khakwani, M.S. Baloch, S. Khan, and A.W. Khan. 2005. Rainfed area improvement in perspective: Development of ZAM-04, improved wheat variety for rainfed areas of NWFP. Indus. J. Plant Sci. 4:119-123.
210. Natrajan, S.K., M. Ganapathy, R. Nagrajan, and S. Somasundaram. 2005. Screening of rice accessions for yield and yield attributes contributing to salinity tolerance in coastal saline soils of Tamil Nadu. South India. Asian J. Plant Sci. 4:435-437.
211. Nawrot, M., I. Szarejko, and M. Maluszynski. 2001. Barley mutants with increased tolerance to aluminum toxicity. Euphytica 120:345-356.
212. Nelson, D.E., P.P. Repetti, T.R. Adams, R.A. Creelman, J.Wu, D.C.Warner, D.C. Anstrom, R. J. Bensen, P.P. Castiglioni, M.G. Donnarummo, B.S. Hinchey, R.W. Kumimoto, D.R. Maszle, R.D. Canales, K.A. Krolikowski, S.B. Dotson, N. Gutterson, O.J. Ratcliffe, and J.E. Heard. 2007. Plant nuclear factor Y(NF-Y) B subunits confer drought tolerance and lead to improved corn yields on water-limited acres. Proc. Natl. Acad. Sci. (USA) 104:16450-16455.
213. Nevo, E. 2001. Genetic resources of wild emmer wheat, Triticum dicoccoides, for wheat improvement in the third millennium. Israel J. Plant Sci. 49:77-91.
214. Nguyen, B.D., D.S. Brar, B.C. Bui, T.V. Nguyen, L.N. Pham, and H.T. Nguyen. 2003. Identification and mapping of the QTL for aluminum tolerance introgressed from the new source, Oryza rufipoon Griff., into indica rice (Oryza sativa L.). Theor. Appl. Genet. 106:583-593.
215. Nguyen, T.T.T., N. Klueva, V. Chamareck, A. Aarti, G. Magpantay, A.C.M. Millena, M.S. Pathan, and H.T. Nguyen. 2004. Saturation mapping of QTL regions and identification of putative candidate genes for drought tolerance in rice. Mol. Gen. Genom. 272:35-46.
216. Nguyen, V.T., M.D. Burow, H.T. Nguyen, B.T. Le, T.D. Le, and A.H. Paterson. 2001. Molecular mapping of genes conferring aluminum tolerance in rice (Oryza sativa L.). Theor. Appl. Genet. 102:1002-1010.
217. Nguyen, V.T., B.D. Nguyen, S. Sarkarung, C. Martinez, A.H. Paterson, and H.T. Nguyen. 2002. Mapping of genes controlling aluminum tolerance in rice: comparison of different genetic backgrounds. Mol. Genet. Genom. 267:772-780.
218. Ninamango-Cárdenas, F.E., C.T. Guimarães, P.R. Martins, S.N. Parentoni, N.P. Carneiro, M. A. Lopes, J.R. Moro, and E. Paiva. 2003. Mapping QTLs for aluminum tolerance in maize. Euphytica 130:223-232.
219. Njau, P.N., M.G. Kinyua, P.K. Kimurto, H.K. Okwaro, and M. Maluszynski. 2005. Drought tolerant wheat varieties developed through mutation breeding technique. J. Agric. Sci. Technol. 7:18-29.
220. Noaman, M.M., I.A. Ahmed, A.A. El-Sayed, R.A. Abo-el-Enin, A.S. El-Gamal, A.M. El-Sherbiny, F.A. Asaad, A.A. El-Hag, K.A. Moustafa, A.M. El-Bawab, M.A. El-Moselhy, M. A. Megahed, M.M. Abd El-Hameed, K.A. Amer, A.A. Atia, M.F. Saad, M.A. Said, H.A. Ashmawy, A.A. Rizk, and H.A.T. Mahfouz. 2007. Registration of Giza 2000 drought tolerant six-rowed barley for rainfed and new reclaimed areas in Egypt. Crop Sci. 47:440.
221. Oh, S.J., S.I. Song, Y.S. Kim, H.J. Jang, S.Y. Kim, M. Kim, Y.K. Kim, B.H. Nahm, and J.K. Kim. 2005. Arabidopsis CBF3/DREB1A and ABF3 in transgenic rice increased tolerance to abiotic stress without stunting growth. Plant Physiol. 138:341-351.
222. + antiporter gene from Atriplex gmelini confers salt tolerance to rice. FEBS Lett. 532:279-282.
223. Ortiz, R., D.Mowbray, C. Dowswell, and S. Rajaram. 2007. Dedication-Norman E. Borlaug: The humanitarian plant scientist who changed the world. Plant. Breed. Rev. 28:1-37.
224. Ortiz, R., K.D. Sayre, B. Govaerts, R. Gupta, G.V. Subbarao, T. Ban, D. Hodson, J.M. Dixon, J. I. Ortiz-Monasterio, and M. Reynolds. 2008. Climate change: Can wheat beat the heat? Agric. Ecosystems Environ. 126:46-58.
225. Ouk, M., J. Basnayake, M. Tsubo, S. Fukai, K.S. Fischer, M. Cooper, and H. Nesbitt. 2006. Use of drought response index for identification of drought tolerant genotypes in rainfed lowland rice. Field Crops Res. 99:4-58.
226. Palatnik, J.F., E. Allen, X. Wu, C. Schommer, R. Schwab, J.C. Carrington, and D. Weigel. 2003. Control of leaf morphogenesis by microRNAs. Nature 425:257-263.
227. Parry, M.A.J., J. Flexas, and H. Medrano. 2005. Prospects for crop production under drought: Research priorities and future directions. Ann. Appl. Biol. 147:211-226.
228. Passioura, J. 2007. The drought environment: Physical, environmental and biological perspectives. J. Expt. Bot. 58:113-117.
229. Paterson, A.H., J.E. Bowers, R. Bruggmann, I. Dubchak, J. Grimwood, H. Gundlach, G. Haberier et al. 2009. The sorghum bicolor genome and the diversification of grasses. Nature 457: 551-556.
230. Peleg, Z., T. Fahima, S. Abbo, T. Krugman, E. Nevo, D. Yakir, and Y. Saranga. 2005. Genetic diversity for drought resistance in wild emmer wheat and its ecogeographical associations. Plant Cell Environ. 28:176-191.
231. Pellegrineschi, A., M. Reynolds, M. Pacheco, R.M. Brito, R. Almeraya, K. Yamaguchi-Shinozaki, and D. Hoisington. 2004. Stress induced expression in wheat of the Arabidopsis thaliana DREB1A gene delays water stress symptoms under greenhouse conditions. Genome 47:493-500.
232. Peng, S., J. Huang, J.E. Sheehy, R.C. Laza, R.M. Visperas, X. Zhong, G.S. Centeno, G.S. Khush, and K.G. Cassman. 2004. Rice yields decline with higher night temperature from global warming. Proc. Natl. Acad. Sci. (USA) 101:9971-9975.
233. Pennisi, E. 2008. The blue revolution, drop by drop, gene by gene. Science 320:171-173.
234. Piñeros, M.A., J.V. Magalhaes, V.M.C. Alves, and L.V. Kochian. 2002. The physiology and biophysics of an aluminum tolerance mechanism based on root citrate exudation in maize. Plant Physiol. 129:1194-1206.
235. Ping, W., S. Bi, L. Ma, and W. Huan. 2006. Aluminum tolerance of two wheat cultivars (Brevor and Atlas 66) in relation to their rhizosphere pH and organic acids exuded from roots. J. Agric. Food Chem. 54:10033-10039.
236. Polle, E., C.F. Conzac, and J.A. Kittric. 1978. Visual detection of aluminum tolerance levels in wheat by hematoxylin staining of seedling roots. Crop Sci. 18:823-827.
237. Prashanth, S.R., V. Sadhasivam, and A. Parida. 2008. Overexpression of cytosolic copper/zinc superoxide dismutase from a mangrove plant Avicennia marina in indica rice var. Pusa Basmati-1 confers abiotic stress tolerance. Transgenic Res. 17:281-291.
238. Price, A.H., K.A. Steele, B.J. Moore, P.B. Barraclough, and L.J. Clark. 2000. A combined RFLP and AFLP linkage map of upland rice (Oryza sativa L.) used to identify QTLs for root-penetration ability. Theor. Appl. Genet. 100:49-56.
239. Price, A.H., J.E. Cairns, P. Horton, H.G. Jones, and H. Griffiths. 2002a. Linking droughtresistance mechanisms to drought avoidance in upland rice using a QTL approach: progress and new opportunities to integrate stomotal and mesophyll responses. J. Expt. Bot. 53:989-1004.
240. Price, A.H., K.A. Steele, B.J. Moore, and R.G.W. Jones. 2002b. Upland rice grown in soil-filled chambers and exposed to contrasting water-deficit regimes. II. Mapping quantitative trait loci for root morphology and distribution. Field Crops Res. 76:25-43.
241. Price, A.H., J. Townend, M.P. Jones, A. Audebert, and B. Courtois. 2002c. Mapping QTLs associated with drought avoidance in upland rice grown in the Philippines and West Africa. Plant Mol. Biol. 48:683-695.
242. + discrimination from Aegilops tauschii into a Triticum turgidum background. Cereal Res. Commun. 30:261-267.
243. Qin, F., M. Kakimoto, Y. Sakuma, K. Maruyama, Y. Osakabe, L.S. PhanTran, K. Shinozaki, and K. Yamaguchi-Shinozaki. 2007. Regulation and functional analysis of ZmDREB2A in response to drought and heat stresses in Zea mays L. Plant J. 50:54-69.
244. Quan, R., M. Shang, H. Zhang, Y. Zhao, and J. Zhang. 2004. Engineering of enhanced glycine betaine synthesis improves drought tolerance in maize. Plant Biotech. J. 2:477-486.
245. Raman, H., J.S. Moroni, K. Sato, B.J. Read, and B.J. Scott. 2002. Identification of AFLP and microsatellite markers linked with an aluminum tolerance gene in barley (Hordeum vulgare L.). Theor. Appl. Genet. 105:458-464.
246. Raman, H., R. Raman, R. Wood, and P. Martin. 2006. Repetitive indel markers within the ALTMT1 gene conditioning aluminum tolerance in wheat (Triticum aestivum L.). Mol. Breed. 18:171-183.
247. Raman, H., K. Zhang, M. Cakir, R. Appels, D.F. Garvin, L.G. Maron, L.V. Kochian, J.S. Moroni, R. Raman, M. Imtiaz, F. Drake-Brockman, I. Waters, P. Martin, T. Sasaki, Y. Yamamoto, H. Matsumoto, D.M. Hebb, E. Delhaize, and P.T. Ryan. 2005. Molecular characterization and mapping of ALMT1, the aluminum-tolerance gene of bread wheat (Triticum aestivum L.). Genome 48:781-791.
248. Rampino, P., G. Spano, S. Pataleo, G. Mita, J.A. Napier, N.D. Fonzo, P.R. Shewry, and C. Perrotta. 2006. Molecular analysis of a durum wheat stay-green mutant: expression pattern of photosynthesis-related genes. J. Cereal Sci. 43:160-168.
249. Rebetzke, G.J., A.G. Condon, R.A. Richards, and G.D. Farquhar. 2002. Selection for reduced carbon isotope discrimination increases aerial biomass and grain yield of rainfed bread wheat. Crop Sci. 42:739-745.
250. Ren, Z., J. Gao, L. Li, X. Cai, W. Huang, D. Chao, M. Zhu, Z.Wang, S. Luan, and H. Lin. 2005. Arice quantitative trait locus for salt tolerance encodes a sodium transporter. Nat. Genet. 37:1141-1146.
251. Rengasamy, P. 2006. World salinization with emphasis on Australia. J. Expt. Bot. 57:1017-1023.
252. Reynolds, M., F. Dreccer, and R. Trethowan. 2007. Drought-adaptive traits derived from wheat wild relatives and landraces. J. Expt. Bot. 28:177-186.
253. Reynolds, M.P., A. Mujeeb-Kazi, and M. Sawkins. 2005. Prospects for utilizing plantadaptive mechanisms to improve wheat and other crops in drought-and salinity-prone environments. Ann. Appl. Biol. 146:239-259.
254. Ribaut, J.M., Y. Frecheboud, P. Monneveux, M. Banziger, M. Vargas, and C. Jiang. 2007. Quantitative trait loci for yield and correlated traits under high and low soil nitrogen conditions in tropical maize. Mol. Breed. 20:15-29.
255. Ribaut, J.M., D.A. Hoisington, J.A. Deutsch, C. Jiang, and D. De León González. 1996. Identification of quantitative trait loci under drought conditions in tropical maize. 1. Flowering parameters and the anthesis-silking interval. Theor. Appl. Genet. 92:905-914.
256. Ribaut, J.M., and M. Ragot. 2007. Marker-assisted selection to improve drought adaptation in maize: the backcross approach, perspectives, limitations, and alternatives. J. Expt. Bot. 58:351-360.
257. Richards, R.A., G.J. Rebetzke, A.G. Condon, and A.F. van Herwaarden. 2002. Breeding opportunities for increasing the efficiency of water use and crop yield in temperate cereals. Crop Sci. 42:111-121.
258. Riede, C.R., and J.A. Anderson. 1996. Linkage of RFLP markers to an aluminum tolerance gene in wheat. Crop Sci. 36:905-909.
259. Rivero, R.M., M. Kojima, A. Gepstein, H. Sakakibara, R. Mittler, S. Gepstein, and E. Blumwald. 2007. Delayed leaf senescence induces extreme drought tolerance in a flowering plant. Proc. Natl. Acad. Sci. (USA) 104:19631-19636.
260. Robin, S., M.S. Pathan, B. Courtois, R. Lafitte, S. Carandang, S. Lanceras, M. Amante, H.T. Nguyen, and Z. Li. 2003. Mapping osmotic adjustment in an advanced backcross inbred population of rice. Theor. Appl. Genet. 107:1288-1296.
261. Rockström, J., M. Lannerstad, and M. Falkenmark. 2007. Assessing the water challenge of a newgreenrevolutionindevelopingcountries. Proc.Natl.Acad.Sci.(USA) 104:6253-6260.
262. Rooney, W.L. 2004. Sorghum improvement: Integrating traditional and new technology to produce improved genotypes. Adv. Agron. 83:37-109.
263. Rothan, C., and M. Causse. 2007. Natural and artificially induced genetic variability in crop and model plant species for plant systems biology. Exs 97:21-53.
264. Roy, M., and R. Wu. 2001. Arginine decarboxylase transgene expression and analysis of environmental stress tolerance in transgenic rice. Plant Sci. 160:869-875.
265. Roy, M., and R.Wu. 2002. Overexpression of S-adenosylmethionine decarboxylase gene in rice increases polyamine level and enhances sodium chloride-stress tolerance. Plant Sci. 163:987-992.
266. 2+-dependent protein kinase confers both cold and salt/drought tolerance on rice plants. Plant J. 23:319-327.
267. Salzman, R.A., J.A. Brady, S.A. Finlayson, C.D. Buchanan, E.J. Summer, F. Sun, P.E. Klein, R.R. Klein, L.H. Pratt, M.M. Cordonnier-Pratt, and J.E. Mullet. 2005. Transcriptional profiling of sorghum induced by methyl jasmonate, salicylic acid, and aminocyclopropane carboxylic acid reveals cooperative regulation and novel gene responses. Plant Physiol. 138:352-368.
268. Samac, D.A., and M. Tesfaye. 2003. Plant improvement for tolerance to aluminum in acid soils-a review. Plant Cell Tissue Organ Cult. 75:189-207.
269. Sanchez, P.A., and M.S. Swaminathan. 2005. Cutting world hunger in half. Science 307:357-359.
270. Sánchez-Urdaneta, A.B., C.B. Peña-Valdivia, C. Trejo, R. Aguirre, and C.S. Elizabeth. 2005. Root growth and proline content in the drought sensitive and tolerant maize (Zea mays L.) seedlings under different water potentials. Cereal Res. Commun. 33:697-704.
271. Sanguineti, M.C., S. Li, M. Maccaferri, S. Corneti, F. Rotondo, T. Chiari, and R. Tuberosa. 2007. Genetic dissection of seminal root architecture in elite durum wheat germplasm. Ann. Appl. Biol. 151:291-305.
272. Sanguineti, M.C., R. Tuberosa, P. Landi, S. Salvi, M. Maccaferri, E. Casarini, and S. Conti. 1999. QTL analysis of drought-related traits and grain yield in relation to genetic variation for leaf abscisic acid concentration in field-grown maize. J. Expt. Bot. 50:1289-1297.
273. Sari-Gorla, M., P. Krajewski, N. di Fonzo, M. Villa, and C. Frova. 1999. Genetic analysis of drought tolerance in maize by molecular markers. II. Plant height and flowering. Theor. Appl. Genet. 99:289-295.
274. Sasaki, T., Y. Yamamoto, B. Ezaki, M. Katsuhara, S.J. Ahn, P.R. Ryan, E. Delhaize, and H. Matsumoto. 2004. A wheat gene encoding an aluminum-activated malate transporter. Plant J. 37:645-653.
275. Schachtman, D.P., R. Munns, and M.I. Whitecross. 1991. Variation in sodium exclusion and salt tolerance in Triticum tauschii. Crop Sci. 31:992-997.
276. Schnyder, H. 1993. The role of carbohydrate storage and redistribution in source-sink relations of wheat and barley during grain filling-a review. New Phytol. 123:233-245.
277. Seki, M., A. Kamei, K.Yamaguchi-Shinozaki, and K. Shinozaki. 2003. Molecular responses to drought, salinity and frost: Common and different paths for plant protection. Curr. Opin. Biotech. 14:194-199.
278. Shahram-Moammady, D., K. Moore, J. Ollerenshaw, and B. Shira. 2005. Backcross reciprocal monosomic analysis of leaf relative water content, stomatal resistance, and carbon isotope discrimination in wheat under pre-anthesis water-stress conditions. Australian J. Agric. Res. 56:1069-1077.
279. Sharma, A.D., and P. Singh. 2003. Comparative studies on drought-induced changes in peptidyl prolylcis-trans isomerase activity in drought-tolerant and susceptible cultivars of Sorghum bicolor. Curr. Sci. 84:911-918.
280. Shen, L., B. Courtois, K.L. McNally, S. Robin, and Z. Li. 2001. Evaluation of near-isogenic lines of rice introgressed with QTL for root depth through marker-aided selection. Theor. Appl. Genet. 103:75-83.
281. + antiporter gene improves salt tolerance in Arabidopsis thaliana. Nat. Biotechnol. 21:81-85.
282. Shirasawa, K., T.Takabe, T.Takabe, and S. Kishitani. 2006. Accumulation of glycinebetaine in rice plants that overexpress choline monooxygenase from spinach and evaluation of their tolerance to abiotic stress. Ann. Bot. 98:565-571.
283. Shou, H., P. Bordallo, and K. Wang. 2004. Expression of the Nicotiana protein kinase (NPK1) enhanced drought tolerance in transgenic maize. J. Expt. Bot. 399:1013-1019.
284. Shrawat, A.K., and H. Lorz. 2006. Agrobacterium-mediated transformation of cereals: A promising approach crossing barriers. Plant Biotechnol. J. 4:575-603.
285. Shylaraj, K.S., T.U. George, K.M. George, and N.K. Sashidharan. 1998. Suitability ofVyttila-4 as a rice variety for coastal saline areas. J. Trop. Agric. 36:1-5.
286. Shylaraj, K.S., and N.K. Sashidharan. 2005. VTL. 5,: A high-yielding salinity-tolerant rice variety for the coastal saline ecosystems of Kerala, J. Tropical Agric. 43,:25-28.
287. Shylaraj, K.S., N.K. Sashidharan, and V. Sreekumaran. 2006. VTL6: A semi-tall, nonlodging, and high-yielding rice (Oryza sativa L.) variety for the coastal saline zones of Kerala. J. Trop. Agric. 44:48-51.
288. Sibov, S.T., M. Gasper, M.J. Silva, L.M.M. Ottoboni, P. Arruda, and A.P. Souza. 1999. Two genes control aluminum tolerance in maize: Genetic and molecular mapping analysis. Genome 42:475-482.
289. Sivamani, E., A. Bahieldin, J.M. Wraith, T. Al-Niemi, W.E. Dyer, T.H.D. Ho, and R.D. Qu. 2000. Improved biomass productivity and water use efficiency under water deficit conditions in transgenic wheat constitutively expressing the barley HVA1 gene. Plant Sci. 155, 1-9.
290. Slafer, G.A., J.L. Araus, C. Royo, and L.F.G.D. Moral. 2005. Promising eco-physiological traits for genetic improvement of cereal yields in Mediterranean environments. Ann. Appl. Biol. 146:61-70.
291. Snape, J.W., M.J. Foulkes, J. Simmonds, M. Leverington, L.J. Fish, Y. Wang, and M. Ciavarrella. 2007. Dissecting gene×environmental effects on wheat yields via QTL and physiological analysis. Euphytica 154:401-408.
292. Steele, K.S., A.H. Price, H.E. Shashidhar, and J.R. Witcombe. 2006. Marker-assisted selection to introgress rice QTL controlling root traits into an Indian upland rice variety. Theor. Appl. Genet. 112:208-221.
293. Stodart, B.J., H. Raman, N. Coombes, and M. Mackay. 2007. Evaluating landraces of bread wheat Triticum aestivum L. for tolerance to aluminum under low pH conditions. Genet. Resour. Crop Evol. 54:759-766.
294. Subudhi, P.K., D.T. Rosenow, and H.T. Nguyen. 2000. Quantitative trait loci for the staygreen trait in sorghum (Sorghum bicolor L. Moench): Consistency across genetic backgrounds and environments. Theor. Appl. Genet. 101:733-741.
295. Sunkar, R., and J.K. Zhu. 2004. Novel and stress-regulated microRNAs and other small RNAs from Arabidopsis. Plant Cell 16:2001-2019.
296. Suo, G.L., Z.J. Huang, C.F. He, Y.Z. Shen, andW. Jian. 2001. Identification of the molecular markers linked to the salt-resistance locus in the wheat using RAPD-BSA technique. Acta Botanica Sinica 43:598-602.
297. Suprunova, T., T. Krugman, A. Distelfeld, T. Fahima, E. Nevo, and A. Korol. 2007. Identification of novel gene (Hsdr4) involved in water-stress tolerance in wild barley. Plant Mol. Biol. 64:17-34.
298. Swindell, W.R., M. Huebner, and A.P. Weber. 2007. Transcriptional profiling of Arabidopsis heat shock proteins and transcription factors reveals extensive overlap between heat and non-heat stress response pathways. BMC Genom. 8:125.
299. Tajbakhsh, M., M.X. Zhou, Z.H. Chen, and N.J. Mendham. 2006. Physiological and cytological response of salt-tolerant and non-tolerant barley to salinity during germination and early growth. Australian J. Expt. Agric. 46:555-562.
300. Takeda, S., and M. Matsuoka. 2008. Genetic approaches to crop improvement: Responding to environmental and population changes. Nat. Rev. Genet. 9:444-457.
301. Tambussi, E.A., J. Bort, and J.L. Araus. 2007. Water use efficiency in C3 cereals under Mediterranean conditions: A review of physiological aspects. Ann. Appl. Biol. 150:307-321.
302. Tanaka, Y., T. Hibino, Y. Hayashi, A. Tanaka, S. Kishitani, T. Takabe, and S. Yokota. 1999. Salt tolerance of transgenic rice overexpressing yeast mitochondrial Mn-SOD in chloroplasts. Plant Sci. 148:131-138.
303. Tang, Y., M.E. Sorrells, L.V. Kochian, and D.F. Garvin. 2000. Identification of RFLP markers linked to the barley aluminum tolerance gene Alp. Crop Sci. 40:778-782.
304. Teulat, B., O. Merah, X. Sirault, C. Borries, R. Waugh, and D. This. 2002. QTLs for grain carbon isotope discrimination in field-grown barley. Theor. Appl. Genet. 106:118-126.
305. Teulat, B., D. This, M. Khairallah, C. Borries, C. Ragot, P. Sourdille, P. Leroy, P. Monneveux, and A. Charrier. 1998. Several QTLs involved in osmotic-adjustment trait variation in barley (Hordeum vulgare L.). Theor. Appl. Genet. 96:688-698.
306. Thalji, T., and G. Shalaldeh. 2007. Screening wheat and barley genotypes for salinity resistance. J. Agron. 6:75-80.
307. Thomson, M.J., E.M. Septiningsih, F. Suwardjo, T.J. Santoso, T.S. Silitonga, and S.R. McCouch. 2007. Genetic diversity analysis of traditional and improved Indonesian rice (Oryza sativa L.) germplasm using microsatellite markers. Theor. Appl. Genet. 114:559-568.
308. Tondelli, A., E. Francia, D. Barabaschi, A. Aprile, J.S. Skinner, E.J. Stockinger, A.M. Stanca, and N. Pecchioni. 2006. Mapping regulatory genes as candidates for cold and drought stress tolerance in barley. Theor. Appl. Genet. 112:445-454.
309. Tsuji, W., S. Inanaga, H. Araki, S. Morita, A. Ping, and K. Sonobe. 2005. Development and distribution of root system in two grain sorghum cultivars originated from Sudan under drought stress. Plant Product. Sci. 8:553-562.
310. Tuberosa, R., M.C. Corinna, P. Landi, M.M. Giuliani, S. Salvi, and S. Conti. 2002. Identification ofQTLfor root characteristics in maize grown in hydroponics and analysis of their overlap withQTLfor grain yield in the field at two water regimes. Plant Mol. Biol. 48:697-712.
311. Tuberosa, R., and S. Salvi. 2006. Genomics-based approaches to improve drought tolerance of crops. Trends Plant Sci. 11:405-412.
312. Tuberosa, R., S. Salvi, M.C. Sanguineti, M. Maccaferri, S. Giuliani, and P. Landi. 2003. Searching for quantitative trait loci controlling root traits in maize: A critical appraisal. Plant Soil 255:35-54.
313. Tuberosa, R., M.C. Sanguineti, P. Landi, S. Salvi, E. Casarini, and S. Conti. 1998. RFLP mapping of quantitative trait loci controlling abscisic acid concentration in leaves of drought-stressed maize (Zea mays L.). Theor. Appl. Genet. 97:744-755.
314. Tuinstra, M.R., E.M. Grote, P.B. Goldsbrough, and G. Ejeta. 1997. Genetic analysis of postflowering drought tolerance and components of grain development in Sorghum bicolor (L.) Moench. Mol. Breed. 3:439-448.
315. Umezawa, T., R. Yoshida, K. Maruyama, K. Yamaguchi-Shinozaki, and K. Shinozaki. 2004. SRK2C, a SNF1-related protein kinase 2, improves drought tolerance by controlling stress-responsive gene expression in Arabidopsis thaliana. Proc. Natl. Acad. Sci. (USA) 101:17306-17311.
316. Valliyodan, B., and H.T. Nguyen. 2006. Understanding regulatory networks and engineering for enhanced drought tolerance in plants. Curr. Opin. Plant Biol. 9:189-195.
317. Vargas, M., F.A. van Eeuwijk, J. Crossa, and J.M. Ribaut. 2006. Mapping QTL and QTL× environment interaction for CIMMYT maize drought stress programs using factorial regression and partial least squares methods. Theor. Appl. Genet. 112:1009-1023.
318. Varshney, R.K., P. Langridge, and A. Graner. 2007. Application of genomics to molecular breeding of wheat and barley. Adv. Genet. 58:121-155.
319. Venuprasad, R., H.R. Lafitte, and G.N. Atlin. 2007. Response to direct selection for grain yield under drought stress in rice. Crop Sci. 47:285-293.
320. Verma, V., M.J. Foulkes, A.J.Worland, R. Sylvester-Bradely, P.D.S. Caligari, and J.W. Snape. 2004. Mapping quantitative trait loci for flag leaf senescence as a yield determinant in winter wheat under optimal and drought-stressed environments. Euphytica 135:255-263.
321. Vinod, M.S., N. Sharma, K. Manjunatha, A. Kanbar, N.B. Prakash, and H.E. Shashidhar. 2006. Candidate genes for drought tolerance and improved productivity in rice (Oryza sativa L.). J. Biosci. 31:69-74.
322. von Uexküll, H.R., and E. Mutert. 1995. Plant-soil interactions at low pH: Principles and management, pp. 5-19. In: R.A. Date, N.J. Grundon, G.E. Raymet, and M.E. Probert (eds.), Kluwer Academic Publishers, Dordrecht, the Netherlands.
323. Wang, C.R., A.F. Yang, G.D. Yue, Q. Giao, H.Y. Yin, and J.R. Zhang. 2008b. Enhanced expression of phospholipase C1 (ZmPLC1) improves drought tolerance in transgenic maize. Planta 227:1127-1140.
324. Wang, F.Z., Q.B. Wang, S.Y. Kwon, S.S. Kwak, and W.A. Su. 2005. Enhanced drought tolerance of transgenic rice plants expressing a pea manganese superoxide dismutase. J. Plant Physiol. 162:465-472.
325. Wang, J., H. Raman, B. Read, M. Zhou, N. Mendham, and S. Venkatanagappa. 2006. Validation of an Alt locus for aluminum tolerance scored with eriochrome cyanine R staining method in barley cultivar Honen (Hordeum vulgare L.). Australian J. Agric. Res. 57:113-118.
326. Wang, J., H. Raman, M. Zhou, P.R. Ryan, E. Delhaize, D.M. Hebb, N. Coombes, and N. Mendham. 2007. High resolution mapping of the Alp locus and identification of a candidate gene HvMATE controlling aluminum tolerance in barley (Hordeum vulgare L.). Theor. Appl. Genet. 115:265-276.
327. Wang, R.C.C., S.R. Larson, W.H. Horton, and N.J. Chatterton. 2003a. Registration of W4909 and W4910 bread wheat germplasm lines with high salinity tolerance. Crop Sci. 43:746.
328. Wang, R.R.C., X. Li, Z. Hu, J. Zhang, S.R. Larson, X. Zhang, C.M. Grieve, and M.C. Shannon. 2003b. Development of salinity tolerant wheat recombinant lines from a wheat disomic addition line carrying a Thynopyrum junceum chromosome. Int. J. Plant Sci. 164:25-33.
329. Wang, Q., Y. Guan, Y. Wu, H. Chen, F. Chen, and C. Chu. 2008a. Overexpression of a rice OsDREB1F gene increases salt, drought, and low temperature tolerance in both Arabidopsis and rice. Plant Mol. Biol. 67:589-602.
330. WARDA. 1994. Training in mangrove rice production: Instructors? manual. p. 254. WARDA, Bouake, Ivory Coast.
331. Welcker, C., B. Boussuge, C. Bencivenni, J.M. Ribaut, and F. Tardieu. 2007. Are source and sink strengths genetically linked in maize plants subjected to water deficit?AQTL study of the responses of leaf growth and of anthesis-silking interval to water deficit. J. Expt. Bot. 58:339-349.
332. Wood, S., K. Seastian, and S. Scherr. 2000. Soil resource condition. pp. 45-54 In: Pilot analysis of global ecosystems. International Food Policy Research Institute and World, Resource Institute, Washingon, DC, USA.
333. Wu, H., A. Doherty, and H.D. Jones. 2008. Efficient and rapid Agrobacterium-mediated genetic transformation of durum wheat (Triticum turgidum L. var. durum) using additional virulence genes. Transgenic Res. 17:425-436.
334. Wu, L., Z. Fan, L. Guo, Y. Li, Z.L. Chen, and L.J. Qu. 2005. Over expression of the bacterial nhaA gene in rice enhances salt and drought tolerance. Plant Sci. 168:297-302.
335. Wu, P., C.Y. Liao, B. Hu, K.K. Yi, W.Z. Jin, J.J. Ni, and C. He. 2000. QTL and epistasis for aluminum tolerance in rice (Oryza sativa L.) at different seedling stages. Theor. Appl. Genet. 100:1295-1303.
336. Xiang, Y., Y. Huang, and L. Xiong. 2007. Characterization of stress-responsive CIPK genes in rice for stress tolerance improvement. Plant Physiol. 144:1416-1428.
337. Xiao, B., Y. Huang, N. Tang, and L. Xiong. 2007. Over-expression of a LEA gene in rice improves drought resistance under the field conditions. Theor. Appl. Genet. 115:35-46.
338. Xiao, Y.N., X.H. Li, M.L. George, M.S. Li, S.H. Zhang, and Y.L. Zhang. 2005. Quantitative trait locus analysis of drought tolerance and yield in maize in China. Plant Mol. Biol. Rep. 23:155-165.
339. Xiong, L., K.S. Schumaker, and J.-K. Zhu. 2002. Cell signaling during cold, drought, and salt stress. Plant Cell 14:S165-183.
340. Xu, H.S., W.L. Gu, and X.X. Peng. 2004a. Differential resistance of two subtropical rice cultivars to aluminum toxicity. J. Plant Nutr. 27:1601-1609.
341. Xu, J.L., H.R. Lafitte, Y.M. Gao, B.Y. Fu, R. Torres, and Z.K. Li. 2005.QTL for drought escape and tolerance identified in a set of random introgression lines of rice. Theor. Appl. Genet. 111:1642-1650.
342. Xu, W., P.K. Subudhi, O.R. Crasta, D.T. Rosenow, J.E. Mullet, and H.T. Nguyen. 2000. Molecular mapping of QTLs conferring stay-green in grain sorghum (Sorghum bicolor L. Moench). Genome 43:461-469.
343. Xu, Y., H. Beachell, and S.R. McCouch. 2004b.Amarker-based approach to broadening the genetic base of rice in the USA. Crop Sci. 44:1947-1959.
344. Xue, G., C.L. McIntyre, S. Chapman, N.I. Bower, H. Way, A. Reverter, B. Clarke, and R. Shorter. 2006c. Differential gene expression of wheat progeny with contrasting levels of transpiration efficiency. Plant Mol. Biol. 61:863-881.
345. Xue, Q., M. Soundarajan, A. Weiss, T. Arkebauer, and P.S. Baenziger. 2002. Genotrypic variation for gas exchange parameters and carbon isotope discrimination in winter wheat. J. Plant Physiol. 159:891-898.
346. Xue, Y., L. Jiang, N. Su, J.K. Wang, P. Den, J.F. Ma, H.Q. Zhai, and J.M. Wan. 2007. The genetic basis and fine-mapping of a stable quantitative trait loci for aluminum tolerance in rice. Planta 227:255-262.
347. Xue, Y., M.J.Wan, L. Jiang, L.L. Liu, N. Su, H.Q. Zhai, and J.F. Ma. 2006a. QTL analysis of aluminum resistance in rice (Oryza sativa L.). Plant Soil 287:375-383.
348. Xue, Y., J. Wang, L. Jiang, C. Wang, L. Liu, Y. Zhang, and H. Zhai. 2006b. Identification of quantitative trait loci associated with aluminum tolerance in rice (Oryza sativa L.). Euphytica 150:37-45.
349. +. Plant Sci. 167:849-859.
350. Yadav, O.P., E. Weltzien-Rattunde, and F.R. Bidinger. 2003. Genetic variation in drought response of landraces of pearl millet (Pennisetum glaucum (L.) R. Br.). Indian J. Genet. 63:37-40.
351. Yadav, O.P., C.T. Hash, F.R. Bidinger, G.P. Cavan, and C.J. Howarth. 2002. Quantitative trait loci associated with traits determining grain and stover yield in pearl millet under terminal drought-stress conditions. Theor. Appl. Genet. 104:67-83.
352. Yadav, R.S., F.R. Bidinger, C.T. Hash, Y.P. Yadav, O.P. Yadav, S.K. Bhatnagar, and C.J. Howarth. 2003. Mapping and characterization of QTL×E interactions for traits determining grain and stover yield in pearl millet. Theor. Appl. Genet. 106:512-520.
353. Yadav, R.S., C.T. Hash, F.R. Bidinger, K.M. Devos, and C.J. Howarth. 2004. Genomic regions associated with grain yield and aspects of post-flowering drought tolerance in pearl millet across stress environments and tester background. Euphytica 136:265-277.
354. Yang, J., J. Zhang, Z. Huang, Q. Zhu, and L.Wang. 2000. Remobilization of carbon reserves is improved by controlled soil-drying during grain filling of wheat. Crop Sci. 40:1645-1655.
355. Yang, J., J. Zhang, K. Liu, Z. Wang, and L. Liu. 2007. Involvement of polyamines in the drought resistance of rice. J. Expt. Bot. 58:1545-1555.
356. Yue, B., L. Xiong, W. Xue, Y. Xing, L. Luo, and C. Xu. 2005. Genetic analysis for drought resistance of rice at reproductive stage in field with different types of soil. Theor. Appl. Genet. 111:1127-1136.
357. Yue, B., W. Xue, L. Xiong, X. Yu, L. Luo, K. Cui, D. Jin, Y. Xing, and Q. Zhang. 2006. Genetic basis of drought resistance at reproductive stage in rice: Separation of drought tolerance from drought avoidance. Genetics 172:1213-1228.
358. Zaharieva, M., E. Gaulin, M. Havaux, E. Acevedo, and P. Monneveux. 2001. Drought and heat response in the wild wheat relative Aegilops geniculata Roth: Potential interest for wheat improvement. Crop Sci. 41:1321-1329.
359. Zaidi, P.H., G. Srinivasan, H.S. Cordova, and C. Sanchez. 2004. Gains from improvement for mid-season drought tolerance in tropical maize (Zea mays L.). Field Crops Res. 89:135-152.
360. Zeven, A.C. 1998. Landraces: A review of definitions and classifications. Euphytica 104:127-139.
361. Zhai, S.M., Z.H. Sui, A.F. Yang, and J.R. Zhang. 2005. Characterization of a novel phosphoinositide-specific phospholipase C from ea mays and its expression in Escherichia coli. Biotechnol. Lett. 27:799-804.
362. Zhang, J., S. Huang, J. Fosu-Nyarko, B. Dell, M. McNeil, I. Waters, P. Moolhuijzen, E. Conocono, and R. Appels. 2008. The genome structure of the 1-FEH genes in wheat (Triticum aestivum L.): New markers to track stem carbohydrates and grain filling QTLs in breeding. Mol. Breed. 22:339-351.
363. Zhang, J., H.G. Zheng, A. Arti, G. Pantuwan, T.T. Nguyen, J.N. Tripathy, A.K. Sarial, S. Robin, R.C. Babu, B.D. Nguyen, S. Sarkarung, A. Blum, and H.T. Nguyen. 2001. Locating genomic regions associated with components of drought resistance in rice: comparative mapping within and across species. Theor. Appl. Genet. 103:19-29.
364. Zhao, F.Y., S.L. Guo, H. Zhang, and Y.X. Zhao. 2006a. Expression of yeast SOD2 in transgenic rice results in increased salt tolerance. Plant Sci. 170:216-224.
365. + antiporter gene from Suaeda salsa. J. Plant Res. 119:95-104.
366. Zhao, F.Y., X.J. Zhang, P.H. Li, Y.X. Zhao, and H. Zhang. 2006c. Co-expression of the Suaeda salsa SsNHX1 and ArabidopsisAVP1 confer greater salt tolerance to transgenic rice than the single SsNHX1. Mol. Breed. 17:341-353.
367. Zheng, B.S., L. Yang, W.P. Zhang, C.Z. Mao, Y.R. Wu, K.K. Yi, F.Y. Liu, and P. Wu. 2003. Mapping QTLs and candidate genes for rice root traits under different water-supply conditions and comparative analysis across three populations. Theor. Appl. Genet. 107:1505-1515.
368. Zheng, H.G., R.C. Babu, M.S. Pathan, L. Ali, and H.T. Nguyen. 2000. Quantitative trait loci for root-penetration ability and root thickness in rice: Comparison of genetic backgrounds. Genome 43:53-61.
369. Zimmermann, P., M. Hirsch-Hoffmann, L. Hennig, and W. Gruissem. 2004. GENEVESTIGATOR. Arabidopsis microarray database and analysis toolbox. Plant Physiol. 136:2621-2632.
370. Zhou, L.L., G.H. Bai, B. Carver, and D.D. Zhang. 2007a. Identification of new sources of aluminum resistance in wheat. Plant Soil 297:105-118.
371. Zhou, L.L., G.H. Bai, H.X. Ma, and B.F. Carver. 2007b. Quantitative trait loci for aluminum resistance in wheat. Mol. Breed. 19:153-161.
372. Zhu, B.C., J. Su, M.C. Chan, D.P.S. Verma, Y.L. Fan, and R.Wu. 1998. Overexpression of a Delta(1)-pyrroline-5-carboxylate synthetase gene and analysis of tolerance to water-and salt-stress in transgenic rice. Plant Sci. 139:41-48.
373. Zhu, X., H. Gong, G. Chen, S. Wang, and C. Zhang. 2005. Different solute levels in two spring wheat cultivars induced by progressive field water stress at different developmental stages. J. Arid Environ. 62:1-14.
374. Zou, G.H., H.W. Mei, H.Y. Liu, G.L. Liu, S.P. Hu, X.Q. Yu, M.S. Li, J.H. Wu, and L.J. Luo. 2005. Grain yield responses to moisture regimes in a rice population: association among traits and genetic markers. Theor. Appl. Genet. 112:106-113.