Turner review no. 14. Roots of the second green revolution

Australian Journal of Botany

Volumn 55, Issue 5, 2007, Pages 493-512

  Lynch, Jonathan P ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CROP YIELD; GENETIC MARKER; GENETIC VARIATION; GENOTYPE; GREEN REVOLUTION; LEGUME; MOBILIZATION; RHIZOSPHERE; SALINITY TOLERANCE; SOIL DEGRADATION; SOIL FERTILITY; SOIL NUTRIENT; TOPSOIL; YIELD RESPONSE;

GLYCINE MAX; TRITICUM AESTIVUM;

EID: 34547950547     PISSN: 00671924     EISSN: None     Source Type: Journal    
DOI: 10.1071/BT06118     Document Type: Review

References (175)

1. Abel S, Ticconi CA, Delatorre CA (2002) Phosphate sensing in higher plants. Physiologia Plantarum 115, 1-8. doi: 10.1034/j.1399-3054. 2002.1150101.x
2. Abelson P (1999) A potential phosphate crisis. Science 283, 2015. doi: 10.1126/science.283.5410.2015
3. Ali MY, Krishnamurthy L, Saxena NP, Rupela OP, Kumar J, Johansen C (2002) Scope for genetic manipulation of mineral acquisition in chickpea. Plant and Soil 245, 123-134. doi: 10.1023/A:1020616818106
4. Anonymous (1887) Report of the Pennsylvania State College Agricultural Experimental Station. Official Document Number 13, University Park, PA, USA.
5. Barber SA (1995) 'Soil nutrient bioavailability: a mechanistic approach.' (John Wiley & Sons Inc.: New York)
6. Bates TR, Lynch JP (1996) Stimulation of root hair elongation in Arabidopsis thaliana by low phosphorus availability. Plant, Cell & Environment 19, 529-538. doi: 10.1111/j.1365-3040.1996.tb00386.x
7. Bates T, Lynch JP (2000a) Plant growth and phosphorus accumulation of wild type and two root hair mutants of Arabidopsis thaliana (Brassicaceae). American Journal of Botany 87, 958-963. doi: 10.2307/2656994
8. Bates T, Lynch JP (2000b) The efficiency of Arabidopsis thaliana (Brassicaceae) root hairs in phosphorus acquisition. American Journal of Botany 87, 964-970. doi: 10.2307/2656995
9. Bates T, Lynch JP (2001) Root hairs confer a competitive advantage under low phosphorus availability. Plant and Soil 236, 243-250. doi: 10.1023/A:1012791706800
10. Baumhardt RL, Tolk JA, Winter SR (2005) Seeding practices and cultivar maturity effects on simulated dryland grain sorghum yield. Agronomy Journal 97, 935-942. doi: 10.2134/agronj2004.0087
11. Bayuelo-Jimenez JS, Craig R, Lynch JP (2002a) Salinity tolerance of Phaseolus species during germination and early seedling growth. Crop Science 42, 1584-1594.
12. Bayuelo-Jimenez JS, Debouck DG, Lynch JP (2002b) Salinity tolerance in Phaseolus species during early vegetative growth. Crop Science 42, 2184-2192.
13. Bayuelo-Jimenez JS, Debouck DG, Lynch JP (2003) Growth, gas exchange, water relations, and ion composition of Phaseolus species grown under saline conditions. Field Crops Research 80, 207-222. doi: 10.1016/S0378-4290(02)00179-X
14. Beaver JS, Rosas JC, Myers J, Acosta J, Kelly JD, Nchimbi-Msolla S, Misangu R, Bokosi J, Temple S, Arnaud-Santana E, Coyne DP (2003) Contributions of the bean/cowpea CRSP to cultivar and germplasm development in common bean. Field Crops Research 82, 87-102. doi: 10.1016/S0378-4290(03)00032- 7
15. Beebe S, Lynch JP, Galwey N, Tohme J, Ochoa I (1997) A geographical approach to identify phosphorus-efficient genotypes among landraces and wild ancestors of common bean. Euphytica 95, 325-336. doi: 10.1023/A:1003008617829
16. Bhat KKS, Nye PH (1974) Diffusion of phosphate to plant roots in soil. III. Depletion around onion roots without root hairs. Plant and Soil 41, 383-394. doi: 10.1007/BF00017265
17. Bloom AJ, Chapin FSI, Mooney HA (1985) Resource limitation in plants - an economic analogy. Annual Review of Ecology and Systematics 16, 363-392.
18. Blumwald E, Aharon GS, Apse MP (2000) Sodium transport in plants. Biochimica et Biophysica Acta 1465, 140-151. doi: 10.1016/S0005-2736(00)00135-8
19. Bonser AM, Lynch JP, Snapp S (1996) Effect of phosphorus deficiency on growth angle of basal roots in Phaseolus vulgaris. New Phytologist 132, 281-288. doi: 10.1111/j.1469-8137.1996.tb01847.x
20. Borch K, Bouma TJ, Lynch JP, Brown KM (1999) Ethylene: a regulator of root architectural responses to soil phosphorus availability. Plant, Cell & Environment 22, 425-431. doi: 10.1046/j.1365-3040.1999.00405.x
21. Borlaug NE (1972) The green revolution, peace, and humanity. In 'Speech delivered upon receipt of the 1970 Nobel Peace Prize'. (Centro Internacional de Mejoramiento de Maiz y Trigo: El Batan, Mexico)
22. Bouldin D (1961) Mathematical description of diffusion process in the soil. Soil Science Society of America Proceedings 25, 476-480.
23. Bouranis DL, Chorianopoulou SN, Siyiannis VF, Protonotarios VE, Hawkesford MJ (2003) Aerenchyma formation in roots of maize during sulphate starvation. Planta 217, 382-391. doi: 10.1007/s00425-003-1007-6
24. Britto D, Kronzucker H (2004) Bioengineering nitrogen acquisition in rice: can novel initiatives in rice genomics and physiology contribute to global food security? BioEssays 26, 683-692. doi: 10.1002/bies.20040
25. Britto D, Kronzucker H (2006) Futile cycling at the plasma membrane: a hallmark of low-affinity nutrient transport. Trends in Plant Science 11, 529-534. doi: 10.1016/j.tplants.2006.09.011
26. Broadley MR, White PJ, Hammond JP, Zelko I, Lux A (2007) Zinc in plants. New Phytologist 173, 677-702. doi: 10.1111/j.1469-8137.2007.01996. x
27. Caradus J (1981) Effect of root hair length on white clover growth over a range of soil phosphorus levels. New Zealand Journal of Agricultural Research 24, 359-364.
28. Chrispeels MJ, Crawford NM, Schroeder JI (1999) Proteins for transport of water and mineral nutrients across the membranes of plant cells. The Plant Cell 11, 661-675. doi: 10.1105/tpc.11.4.661
29. Clarkson DT (1985) Factors affecting mineral acquisition by plants. Annual Review of Plant Physiology 36, 77-115. doi: 10.1146/annurev.pp.36.060185.000453
30. Douds DD, Johnson CR, Koch KE (1988) Carbon cost of the fungal symbiont relative to net leaf-P accumulation in a split-root VA mycorrhizal symbiosis. Plant Physiology 86, 491-496.
31. Drew MC, Saker LR (1978) Nutrient supply and the growth of the seminal root system in barley. Journal of Experimental Botany 29, 435-451. doi: 10.1093/jxb/29.2.435
32. Drew M, He C, Morgan P (1989) Decreased ethylene biosynthesis, and induction of aerenchyma, by nitrogen-or phosphate-starvation in adventitious roots of Zea mays L. Plant Physiology 91, 266-271.
33. Dunbabin V, Diggle A, Rengel Z (2003) Is there an optimal root architecture for nitrate capture in leaching environments? Plant, Cell & Environment 26, 835-844. doi: 10.1046/j.1365-3040.2003.01015.x
34. Eissenstat DM, Graham JH, Syvertsen JP, Drouillard DL (1993) Carbon economy of sour orange in relation to mycorrhizal colonization and phosphorus status. Annals of Botany 71, 1-10. doi: 10.1006/anbo.1993.1001
35. 33P. Plant Physiology 76, 336-341.
36. Esau K (1977) 'Anatomy of seed plants.' (John Wiley and Sons: New York)
37. Eshel A, Nielsen K, Lynch JP (1995) Response of bean root systems to low level of P. In 'Plant roots - from cells to systems. 14th Long Ashton international symposium'. p. 63. (IACR-Long Ashton Research Station: Bristol, England)
38. Fan MS, Zhu JM, Richards C, Brown KM, Lynch JP (2003) Physiological roles for aerenchyma in phosphorus-stressed roots. Functional Plant Biology 30, 493-506. doi: 10.1071/FP03046
39. FAO (2002) 'The state of food insecurity in the world 2002.' (The Food and Agriculture Organisation of the United Nations: Rome)
40. Fitter A, Williamson L, Linkohr B, Leyser O (2002) Root system architecture determines fitness in an Arabidopsis mutant in competition for immobile phosphate ions but not for nitrate ions. Proceedings of the Royal Society of London. Series B. Biological Sciences 269, 2017-2022. doi: 10.1098/rspb.2002.2120
41. Foehse D, Claassen N, Jungk A (1991) Phosphorus efficiency of plants. II. Significance of root radius, root hairs and cation-anion balance for phosphorus influx in seven plant species. Plant and Soil 132, 261-272.
42. Forde BG (2000) Nitrate transporters in plants: structure, function, and regulation. Biochimica et Biophysica Acta 1465, 219-235. doi: 10.1016/S0005-2736(00)00140-1
43. Foy CD, Chaney RL, White MC (1978) The physiology of metal toxicity in plants. Annual Review of Plant Physiology 29, 511-566. doi: 10.1146/annurev.pp.29.060178.002455
44. Gahoonia TS, Nielsen NE (1997) Variation in root hairs of barley cultivars doubled soil phosphorus uptake. Euphytica 98, 177-182. doi: 10.1023/A:1003113131989
45. Gahoonia TS, Nielsen NE (2003) Phosphorus (P) uptake and growth of a root hairless barley mutant (bald root barley, brb) and wild type in low-and high-P soils. Plant, Cell & Environment 26, 1759-1766. doi: 10.1046/j.1365-3040.2003.01093.x
46. Gahoonia TS, Nielsen NE (2004) Root traits as tools for creating phosphorus efficient crop varieties. Plant and Soil 260, 47-57. doi: 10.1023/B:PLSO.0000030168.53340.bc
47. Gahoonia TS, Care D, Nielsen NE (1997) Root hairs and phosphorus acquisition of wheat and barley cultivars. Plant and Soil 191, 181-188. doi: 10.1023/A:1004270201418
48. Gahoonia TS, Nielsen NE, Lyshede OB (1999) Phosphorus (P) acquisition of cereal cultivars in the field at three levels of P fertilization. Plant and Soil 211, 269-281. doi: 10.1023/A:1004742032367
49. Gahoonia TS, Nielsen NE, Joshi PA, Jahoor A (2001) A root hairless barley mutant for elucidating genetic of root hairs and phosphorus uptake. Plant and Soil 235, 211-219. doi: 10.1023/A:1011993322286
50. Ge ZY, Rubio G, Lynch JP (2000) The importance of root gravitropism for inter-root competition and phosphorus acquisition efficiency: results from a geometric simulation model. Plant and Soil 218, 159-171. doi: 10.1023/A:1014987710937
51. George TS, Simpson RJ, Hadobas PA, Richardson AE (2005) Expression of a fungal phytase gene in Nicotiana tabacum improves phosphorus nutrition of plants grown in amended soils. Plant Biotechnology Journal 3, 129-140. doi: 10.1111/j.1467-7652.2004.00116.x
52. Goldstein A (1992) Phosphate starvation inducible enzymes and proteins in higher plants. In 'Inducible plant proteins'. (Ed. JL Wray) pp. 25-44. (Cambridge University Press: Cambridge, UK)
53. Gonzalez A, Steffen KL, Lynch JP (1998) Light and excess manganese - implications for oxidative stress in common bean. Plant Physiology 118, 493-504. doi: 10.1104/pp.118.2.493
54. Hackett C (1972) A method of applying nutrients locally to roots under controlled conditions, and some morphological effects of locally applied nitrate on the branching of wheat roots. Australian Journal of Biological Sciences 25, 1169-1180.
55. Halsted M, Lynch JP (1996) Phosphorus responses of C-3 and C-4 species. Journal of Experimental Botany 47, 497-505. doi: 10.1093/jxb/47.4.497
56. Hardarson G, Broughton WJ (Eds) (2003) 'Maximising the use of biological nitrogen fixation in agriculture.' Developments in plant and soil sciences. (Kluwer Academic Publishers, Food and Agricultire Organisation of the United Nations, International Atomic Energy Agency: Dordrecht, The Netherlands)
57. Harris D, Paul E (1987) Carbon requirements of vesicular-arbuscular mycorrhizae. In 'Ecophysiology of VA mycorrhizae'. (Ed. GR Safir) pp. 93-105. (CRC Press: Boca Raton, FL)
58. Hartemink AE (2003) 'Soil fertility decline in the tropics.' (CABI Publishing: Wageningen, The Netherlands)
59. Hinsinger P (2001) Bioavailability of soil inorganic P in the rhizosphere as affected by root-induced chemical changes: a review. Plant and Soil 237, 173-195. doi: 10.1023/A:1013351617532
60. Hinsinger P, Gobran GR, Gregory PJ, Wenzel WW (2005) Rhizosphere geometry and heterogeneity arising from root mediated physical and chemical processes. New Phytologist 168, 293-303. doi: 10.1111/j.1469-8137.2005.01512. x
61. Ho MD (2004) Effects of root architecture, plasticity, and tradeoffs on water and phosphorus acquisition in heterogenous environments. PhD Thesis, Penn State University, University Park, PA.
62. Ho M, McCannon B, Lynch JP (2004) Optimization modeling of plant root architecture forwater and phosphorus acquisition. Journal of Theoretical Biology 226, 331-340. doi: 10.1016/j.jtbi.2003.09.011
63. Ho M, Rosas J, Brown K, Lynch JP (2005) Root architectural tradeoffs for water and phosphorus acquisition. Functional Plant Biology 32, 737-748. doi: 10.1071/FP05043
64. Itoh S, Barber S (1983a) A numerical solution of whole plant nutrient uptake for soil root systems with root hairs. Plant and Soil 70, 403-413. doi: 10.1007/BF02374895
65. Itoh S, Barber S (1983b) Phosphorus uptake by six plant species as related to root hairs. Agronomy Journal 75, 457-461.
66. Jackson MB, Armstrong W (1999) Formation of aerenchyma and the processes of plant ventilation in relation to soil flooding and submergence. Plant Biology 1, 274-287.
67. Jakobsen I, Rosendahl L (1990) Carbon flow into soil and external hyphae from roots ofmycorrhizal cucumber plants. New Phytologist 115, 77-83. doi: 10.1111/j.1469-8137.1990.tb00924.x
68. Jones DL, Dennis PG, Owen AG, van Hees PAW (2003) Organic acid behavior in soils - misconceptions and knowledge gaps. Plant and Soil 248, 31-41. doi: 10.1023/A:1022304332313
69. Jungk A (2001) Root hairs and the acquisition of plant nutrients from soil. Journal of Plant Nutrition and Soil Science 164, 121-129. doi: 10.1002/1522-2624(200104)164:2〈121::AID-JPLN121〉3.0.CO; 2-6
70. Kaeppler SM, Parke JL, Mueller SM, Senior L, Stuber C, Tracy WF (2000) Variation among maize inbred lines and detection of quantitative trait loci for growth at low phosphorus and responsiveness to arbuscular mycorrhizal fungi. Crop Science 40, 358-364.
71. Khush G (1999) Green revolution: preparing for the 21st century. Genome 42, 646-655. doi: 10.1139/gen-42-4-646
72. Koch KE, Johnson CR (1984) Photosynthate partitioning in split root citrus seedlings with mycorrhizal and non-mycorrhizal root systems. Plant Physiology 75, 26-30.
73. Kochian LV, Piñeros MA, Hoekenga OA (2005) The physiology, genetics and molecular biology of plant aluminum resistance and toxicity. Plant and Soil 274, 175-195. doi: 10.1007/s11104-004-1158-7
74. Koide RT (2000) Functional complementarity in the arbuscular mycorrhizal symbiosis. New Phytologist 147, 233-235. doi: 10.1046/j.1469-8137. 2000.00710.x
75. Konings H, Verschuren G (1980) Formation of aerenchyma in roots of Zea mays in aerated solutions, and its relation to nutrient supply. Physiologia Plantarum 49, 265-279. doi: 10.1111/j.1399-3054.1980. tb02661.x
76. Koyama H, Kawamura A, Kihara T, Hara T, Takita E, Shibata D (2000) Overexpression of mitochondrial citrate synthase in Arabidopsis thaliana improved growth on a phosphorus-limited soil. Plant & Cell Physiology 41, 1030-1037. doi: 10.1093/pcp/pcd029
77. Ladha JK, Peoples MB (Eds) (1995) Management of biological nitrogen fixation for the development of more productive and sustainable agricultural systems. Plant and Soil 174, 1-286.
78. Lambers H, Atkin O, Millenaar FF (2002) Respiratory patterns in roots in relation to their functioning. In 'Plant roots, the hidden half'. (Eds Y Waisel, A Eshel, K Kafkaki) pp. 521-552. (Marcel Dekker, Inc.: New York)
79. Lewis DG, Quirk JP (1967) Phosphate diffusion in soil and uptake by plants. Plant and Soil 26, 445-453. doi: 10.1007/BF01379565
80. Li L, Tang CX, Rengel Z, Zhang FS (2003) Chickpea facilitates phosphorus uptake by intercropped wheat from an organic phosphorus source. Plant and Soil 248, 297-303. doi: 10.1023/A:1022389707051
81. Li SM, Li L, Zhang FS, Tang C (2004) Acid phosphatase role in chickpea/maize intercropping. Annals of Botany 94, 297-303. doi: 10.1093/aob/mch140
82. Liao H, Rubio G, Yan XL, Cao AQ, Brown KM, Lynch JP (2001) Effect of phosphorus availability on basal root shallowness in common bean. Plant and Soil 232, 69-79. doi: 10.1023/A:1010381919003
83. Liao H, Yan X, Rubio G, Beebe SE, Blair MW, Lynch JP (2004) Genetic mapping of basal root gravitropism and phosphorus acquisition efficiency in common bean. Functional Plant Biology 31, 959-970. doi: 10.1071/FP03255
84. Lopez-Bucio J, de la Vega OM, Guevara-Garcia A, Herrera-Estrella L (2000a) Enhanced phosphorus uptake in transgenic tobacco plants that overproduce citrate. Nature Biotechnology 18, 450-453. doi: 10.1038/74531
85. Lopez-Bucio J, Nieto-Jacobo MF, Ramirez-Rodriguez V, Herrera-Estrella L (2000b) Organic acid metabolism in plants: from adaptive physiology to transgenic varieties for cultivation in extreme soils. Plant Science 160, 1-13. doi: 10.1016/S0168-9452(00)00347-2
86. Lu Y, Wassmann R, Neue HU, Huang C (1999) Impact of phosphorus supply on root exudation, aerenchyma formation and methane emission of rice plants. Biogeochemistry 47, 203-218.
87. Lynch JP (1998) The role of nutrient efficient crops in modern agriculture. In 'Nutrient use in crop production'. (Ed. Z Rengel) (Food Products Press: New York)
88. Lynch JP (2005) Root architecture and nutrient acquisition. In 'Nutrient acquisition by plants. An ecological perspective'. (Ed. H BassiriRad) (Springer-Verlag: Berlin)
89. Lynch JP, Beebe SE (1995) Adaptation of beans to low soil phosphorus availability. HortScience 30, 1165-1171.
90. Lynch JP, van Beem JJ (1993) Growth and architecture of seedling roots of common bean genotypes. Crop Science 33, 1253-1257.
91. Lynch JP, Brown KM (1998) Root architecture and phosphorus acquisition efficiency in common bean. In 'Phosphorus in plant biology: regulatory roles in ecosystem, organismic, cellular, and molecular processes'. (Eds JP Lynch, J Deikman) (American Society of Plant Physiologists: Rockville, MD)
92. Lynch JP, Brown KM (2001) Topsoil foraging - an architectural adaptation of plants to low phosphorus availability. Plant and Soil 237, 225-237. doi: 10.1023/A:1013324727040
93. Lynch JP, Brown KM (2006) Whole plant adaptations to low phosphorus availability. In 'Plant-environment interactions'. 3rd edn. (Ed. B Huang) (Taylor and Francis: New York)
94. Lynch JP, Deikman J (1998) 'Phosphorus in plant biology: regulatory roles in molecular, cellular, organismic, and ecosystem processes.' (American Society of Plant Physiologists: Rockville, MD)
95. Lynch JP, Ho M (2005) Rhizoeconomics: carbon costs of phosphorus acquisition. Plant and Soil 269, 45-56. doi: 10.1007/s11104-004- 1096-4
96. Lynch JP, St Clair S (2004) Mineral stress: the missing link in understanding how global climate change will affect plants in real world soils. Field Crops Research 90, 101-115. doi: 10.1016/j.fcr.2004.07.008
97. Lynch JP, Lauchli A, Epstein E (1991) Vegetative growth of the common bean in response to phosphorus nutrition. Crop Science 31, 380-387.
98. Ma Z, Bielenberg DG, Brown KM, Lynch JP (2001a) Regulation of root hair density by phosphorus availability in Arabidopsis thaliana. Plant, Cell & Environment 24, 459-467. doi: 10.1046/j.1365-3040.2001.00695.x
99. Ma Z, Walk TC, Marcus A, Lynch JP (2001b) Morphological synergism in root hair length, density, initiation and geometry for phosphorus acquisition in Arabidopsis thaliana: a modeling approach. Plant and Soil 236, 221-235. doi: 10.1023/A:1012728819326
100. Mano Y, Muraki M, Fujimori M, Takamizo T, Kindiger B (2005) Identification of QTL controlling adventitious root formation during flooding conditions in teosinte (Zea mays ssp. huehuetenangensis) seedlings. Euphytica 142, 33-42. doi: 10.1007/s10681-005-0449-2
101. Marschner H (1995) 'Mineral nutrition of higher plants.' (Academic Press: London)
102. Martinez-Ballesta M, Silva C, Lopez-Berenguer C, Cabanero F, Carvajal M (2006) Plant aquaporins: New perspectives on water and nutrient uptake in saline environment. Plant Biology 8, 535-546. doi: 10.1055/s-2006-924172
103. Miguel M (2004) Genotypic variation in root hairs and phosphorus efficiency in common bean (Phaseolus vulgaris L.). MSc Thesis, Penn State, University Park, PA.
104. Miller CR, Ochoa I, Nielsen KL, Beck D, Lynch JP (2003) Genetic variation for adventitious rooting in response to low phosphorus availability: potential utility for phosphorus acquisition from stratified soils. Functional Plant Biology 30, 973-985. doi: 10.1071/FP03078
105. Mollier A, Pellerin S (1999) Maize root system growth and development as influenced by phosphorus deficiency. Journal of Experimental Botany 50, 487-497. doi: 10.1093/jexbot/50.333.487
106. Munns R, Husain S, Rivelli AR, James RA, Condon AGT, Lindsay MP, Lagudah ES, Schachtman DP, Hare RA (2002) Avenues for increasing salt tolerance of crops, and the role of physiologically based selection traits. Plant and Soil 247, 93-105. doi: 10.1023/A:1021119414799
107. Neumann G, Römheld V (2002) Root-induced changes in the availability of nutrients in the rhizosphere. In 'Plant roots: the hidden half'. (Eds Y Waisel, A Eshel, U Kafkafi) pp. 617-649. (Marcel Dekker: New York)
108. Newman E (1997) Phosphorus balance of contrasting farming systems, past and present. Can food production be sustainable? Journal of Applied Ecology 34, 1334-1347. doi: 10.2307/2405251
109. Nielsen KL, Bouma TJ, Lynch JP, Eissenstat DM (1998) Effects of phosphorus availability and vesicular-arbuscular mycorrhizas on the carbon budget of common bean (Phaseolus vulgaris). New Phytologist 139, 647-656. doi: 10.1046/j.1469-8137.1998.00242.x
110. Nielsen KL, Eshel A, Lynch JP (2001) The effect of phosphorus availability on the carbon economy of contrasting common bean (Phaseolus vulgaris L.) genotypes. Journal of Experimental Botany 52, 329-339. doi: 10.1093/jexbot/52.355.329
111. Ochoa I, Blair M, Lynch JP (2006) QTL Analysis of adventitious root formation in common bean (Phaseolus vulgaris L.) under contrasting phosphorus availability. Crop Science 46, 1609-1621. doi: 10.2135/cropsci2005.12-0446
112. van Oosterom EJ, Bidinge FR, Weltzien ER (2003) A yield architecture framework to explain adaptation of pearl millet to environmental stress. Field Crops Research 80, 33-56. doi: 10.1016/S0378-4290(02)00153-3
113. Owusu-Bennoah E, Wild A (1979) Autoradiography of the depletion zone of phosphate around onion roots in the presence of vesicular-arbuscular mycorrhiza. New Phytologist 82, 133-140. doi: 10.1111/j.1469-8137.1979. tb07567.x
114. Palmgren MG (2001) Plant plasma membrane H+-ATPases: powerhouses for nutrient uptake. Annual Review of Plant Physiology and Plant Molecular Biology 52, 817-845. doi: 10.1146/annurev.arplant.52.1.817
115. Peng SB, Eissenstat DM, Graham JH, Williams K, Hodge NC (1993) Growth depression inmycorrhizal citrus at high-phosphorus supply - analysis of carbon costs. Plant Physiology 101, 1063-1071.
116. Peng S, Cassman KG, Virmani SS, Sheehy J, Khush GS (1999) Yield potential trends of tropical rice since the release of IR8 and the challenge of increasing rice yield potential. Crop Science 39, 1552-1559.
117. Peterson RL, Farquhar ML (1996) Root hairs: specialized tubular cells extending root surfaces. Botanical Review 62, 1-40.
118. Piñeros MA, Shaff JE, Manslank HS, Alves VMC, Kochian LV (2005) Aluminum resistance in maize cannot be solely explained by root organic acid exudation. A comparative physiological study. Plant Physiology 137, 231-241. doi: 10.1104/pp.104.047357
119. Rabalais NN, Turner RE, Wiseman WJJ (2002) Gulf of Mexico hypoxia, A.K.A. 'The dead zone'. Annual Review of Ecology and Systematics 33, 235-263. doi: 10.1146/annurev.ecolsys.33.010802.150513
120. Radin J, Eidenbock M (1984) Hydraulic conductance as a factor limiting leaf expansion of phosphorus-deficient cotton plants. Plant Physiology 75, 372-377.
121. Raghothama KG, Karthikeyan AS (2005) Phosphate acquisition. Plant and Soil 274, 37-49. doi: 10.1007/s11104-004-2005-6
122. Ramesh SA, Choimes S, Schachtman DP (2004) Over-expression of an Arabidopsis zinc transporter in Hordeum vulgare increases short-term zinc uptake after zinc deprivation and seed zinc content. Plant Molecular Biology 54, 373-385. doi: 10.1023/B:PLAN.0000036370.70912. 34
123. Ray JD, Kindiger B, Sinclair TR (1999) Introgressing root aerenchyma into maize. Maydica 44, 113-117.
124. Rengel Z (1999) Physiological mechanisms underlying differential nutrient efficiency of crop genotypes. In 'Mineral nutrition of crops: fundamental mechanisms and implications'. (Ed. Z Rengel) pp. 227-265. (Haworth Press, Inc.: New York)
125. Rengel Z (2001) Genotypic differences in micronutrient use efficiency in crops. Communications in Soil Science and Plant Analysis 32, 1163-1186. doi: 10.1081/CSS-100104107
126. Rengel Z (2002) Genetic control of root exudation. Plant and Soil 245, 59-70. doi: 10.1023/A:1020646011229
127. Robinson D (2005) Integrated root responses to variations in nutrient supply. In 'Nutrient acquisition by plants. An ecological perspective'. (Ed. H BassiriRad) pp. 43-62. (Springer-Verlag: Berlin)
128. Rubio G, Walk T, Ge ZY, Yan XL, Liao H, Lynch JP (2001) Root gravitropism and below-ground competition among neighbouring plants: a modelling approach. Annals of Botany 88, 929-940. doi: 10.1006/anbo.2001.1530
129. Rubio G, Liao H, Yan XL, Lynch JP (2003) Topsoil foraging and its role in plant competitiveness for phosphorus in common bean. Crop Science 43, 598-607.
130. Runge GF, Senauer B, Pardey P, Rosengrant M (2003) 'Ending hunger in our lifetime: food security and globalization.' (Johns Hopkins University Press: Baltimore, MD, USA)
131. Ryan MH, Graham JH (2002) Is there a role for arbuscularmycorrhizal fungi in production agriculture? Plant and Soil 244, 263-271. doi: 10.1023/A:1020207631893
132. Ryan PR, Delhaize E, Jones DL (2001) Function and mechanism of organic anion exudation from plant roots. Annual Review of Plant Physiology and Plant Molecular Biology 52, 527-560. doi: 10.1146/annurev.arplant.52.1.527
133. Ryser P, Lambers H (1995) Root and leaf attributes accounting for the performance of fast-growing and slow-growing grasses at different nutrient supply. Plant and Soil 170, 251-265. doi: 10.1007/BF00010478
134. Sanchez PA(1976) 'Properties and management of soils in the tropics.' (John Wiley: New York)
135. Sanchez PA (2002) Ecology - Soil fertility and hunger in Africa. Science 295, 2019-2020. doi: 10.1126/science.1065256
136. Sanchez PA, Swaminathan MS (2005) Hunger in Africa: the link between unhealthy people and unhealthy soils. Lancet 365, 442-444.
137. Senior M, Chin E, Lee M, Smith J, Stuber C (1996) Simple sequence repeat markers developed from maize sequences found in GenBank database: map construction. Crop Science 36, 1676-1683.
138. Setter TL, Waters I (2003) Review of prospects for germplasm improvement for waterlogging tolerance in wheat, barley and oats. Plant and Soil 253, 1-34. doi: 10.1023/A:1024573305997
139. Shiva V (1991) The green revolution in the Punjab. The Ecologist 21, 57-60.
140. Singh SP, Urrea CA, Gutiérrez JA, Garcia J (1989) Selection for yield at two fertilizer levels in small-seeded common bean. Canadian Journal of Plant Science 69, 1011-1017.
141. Smith SE, Read DJ (1997) 'Mycorrhizal symbiosis.' (Academic Press: San Diego, CA)
142. Sprent JI (2005) Biological nitrogen fixation associated with angiosperms in terrestrial systems. In 'Nutrient acquisition by plants: an ecological perspective'. (Ed. H BassiriRad) pp. 89-116. (Springer-Verlag: Berlin)
143. Steen I (1998) Phosphorus availability in the 21st century management of a non-renewable resource. Phosphorus & Potassium 217, 25-31.
144. Tesfaye M, Temple SJ, Allan DL, Vance CP, Samac DA (2001) Overexpression of malate dehydrogenase in transgenic alfalfa enhances organic acid synthesis and confers tolerance to aluminum. Plant Physiology 127, 1836-1844. doi: 10.1104/pp.127.4.1836
145. Tollenaar M, Lee EA (2002) Yield potential, yield stability and stress tolerance in maize. Field Crops Research 75, 161-169. doi: 10.1016/S0378-4290(02)00024-2
146. Tomscha J, Trull M, Deikman J, Lynch JP, Guiltinan M (2004) Phosphatase under-producing mutants have altered phosphorus relations. Plant Physiology 135, 334-345. doi: 10.1104/pp.103.036459
147. Tripathi SC, Sayre KD, Kaul JN, Narang RS (2004) Lodging behaviour and yield potential of spring wheat (Triticum aestivum L.): effects of ethephon and genotypes. Field Crops Research 87, 207-220. doi: 10.1016/j.fcr.2003.11.003
148. Tuberosa R, Salvi S, Sanguineti MC, Landi P, Maccaferri M, Conti S (2002) Mapping QTLs regulating morpho-physiological traits and yield: case studies, shortcomings and perspectives in drought-stressed maize. Annals of Botany 89(Spec. No.), 941-963. doi: 10.1093/aob/mcf134
149. USDA Soil Taxonomy (1999) 'Soil taxonomy: a basic system of soil classification for making and interpreting soil surveys.' 2nd edn. Agricultural Handbook No. 436. Soil Survey Staff. United States Department of Agriculture, National Resources Conservation Service.
150. Vance CP (2001) Symbiotic nitrogen fixation and phosphorus acquisition. Plant nutrition in a world of declining renewable resources. Plant Physiology 127, 390-397. doi: 10.1104/pp.127.2.390
151. 2 fixation. In 'Plant roots: the hidden half'. (Eds YWaisel, A Eshel, U Kafkafi) pp. 839-868. (Marcel Dekker, Inc.: New York)
152. Vance CP, Graham PH, Allan DL (2000) Biological nitrogen fixation: phosphorus a critical future need? In 'Nitrogen fixation: from molecules to crop productivity'. (Eds FO Pederosa, M Hungria, G Yates, WE Newton) pp. 509-514. (Kluwer Academic: Dordrecht, The Netherlands)
153. Vance CP, Uhde-Stone C, Allan DL (2003) Phosphorus acquisition and use: critical adaptations by plants for securing a nonrenewable resource. New Phytologist 157, 423-447. doi: 10.1046/j.1469-8137.2003.00695.x
154. Vartapetian BB, Jackson MB (1997) Plant adaptations to anaerobic stress. Annals of Botany 79, 3-20. doi: 10.1006/anbo.1996.0295
155. Veneklaas EJ, Stevens J, Cawthray GR, Turner S, Grigg AM, Lambers H (2003) Chickpea and white lupin rhizosphere carboxylates vary with soil properties and enhance phosphorus uptake. Plant and Soil 248, 187-197. doi: 10.1023/A:1022367312851
156. Very A-A, Sentenac H (2003) Molecular mechanisms and regulation of K+transport in higher plants. Annual Review of Plant Biology 54, 575-603. doi: 10.1146/annurev.arplant.54.031902.134831
157. Vosti SA, Reardon T (1997) 'Sustainability, growth, and poverty alleviation: a policy and agroecological perspective.' (International Food Policy Research Institute: Washington, DC)
158. Walk T, Jaramillo R, Lynch JP (2006) Architectural tradeoffs between adventitious and basal roots for phosphorus acquisition. Plant and Soil 279, 347-366. doi: 10.1007/s11104-005-0389-6
159. Welch RM, Graham RD (2004) Breeding for micronutrients in staple food crops from a human nutrition perspective. Journal of Experimental Botany 55, 353-364. doi: 10.1093/jxb/erh064
160. White P (2000) Calcium channels in higher plants. Biochimica et Biophysica Acta 1465, 171-189. doi: 10.1016/S0005-2736(00)00137-1
161. Whiteaker G, Gerloff GC, Gabelman WH, Lindgren D (1976) Intraspecific differences in growth of beans at stress levels of phosphorus. Journal of the American Society for Horticultural Science 101, 472-475.
162. World Bank (2004) 'World development indicators.' (The World Bank: Washington, DC)
163. Xie YJ, Yu D (2003) The significance of lateral roots in phosphorus (P) acquisition of water hyacinth (Eichhornia crassipes). Aquatic Botany 75, 311-321. doi: 10.1016/S0304-3770(03)00003-2
164. Yan X (2005) The roots of P-efficient soybean: theories and practices. In 'Plant nutrition for food security, human health and environmental protection'. (Ed. CJ Li) pp. 36-37. (Tsinghua University Press: Beijing)
165. Yan X, Beebe SE, Lynch JP (1995a) Genetic variation for phosphorus efficiency of common bean in contrasting soil types. II. Yield response. Crop Science 35, 1094-1099.
166. Yan X, Lynch JP, Beebe SE (1995b) Genetic variation for phosphorus efficiency of common bean in contrasting soil types. I. Vegetative response. Crop Science 35, 1086-1093.
167. Yan XL, Lynch JP, Beebe SE (1996) Utilization of phosphorus substrates by contrasting common bean genotypes. Crop Science 36, 936-941.
168. Yan X, Liao H, Beebe S, Blair M, Lynch JP (2004) QTL mapping of root hair and acid exudation traits and their relationship to phosphorus uptake in common bean. Plant and Soil 265, 17-29. doi: 10.1007/s11104-005-0693-1
169. Yan X, Wu P, Ling H, Xu G, Xu F, Zhang Q (2006) Plant nutriomics in China - an overview. Annals of Botany 98, 473-482. doi: 10.1093/aob/mcl116
170. Yun SJ, Kaeppler SM (2001) Induction of maize acid phosphatase activities under phosphorus starvation. Plant and Soil 237, 109-115. doi: 10.1023/A:1013329430212
171. Zhu J, Lynch JP (2004) The contribution of lateral rooting to phosphorus acquisition efficiency in maize (Zea mays L.) seedlings. Functional Plant Biology 31, 949-958. doi: 10.1071/FP04046
172. Zhu J, Kaeppler S, Lynch JP (2005a) Mapping of QTL controlling root hair length in maize (Zea mays L.) under phosphorus deficiency. Plant and Soil 270, 299-310. doi: 10.1007/s11104-004-1697-y
173. Zhu J, Kaeppler S, Lynch JP (2005b) Mapping of QTL for lateral root branching and length in maize (Zea mays L.) under differential phosphorus supply. Theoretical and Applied Genetics 111, 688-695. doi: 10.1007/s00122-005-2051-3
174. Zhu J, Kaeppler S, Lynch JP (2005c) Topsoil foraging and phosphorus acquisition efficiency in maize (Zea mays L.). Functional Plant Biology 32, 749-762. doi: 10.1071/FP05005
175. Zhu J, Mickelson S, Kaeppler S, Lynch JP (2006) Detection of quantitative trait loci for seminal root traits in maize (Zea mays L.) seedlings grown under differential phosphorus levels. Theoretical and Applied Genetics 113, 1-10. doi: 10.1007/s00122-006-0260-z