Bacterial inoculants for field applications under mountain ecosystem: Present initiatives and future prospects

Bacteria in Agrobiology: Plant Probiotics

Volumn 9783642275159, Issue , 2012, Pages 15-44

  Trivedi, Pankaj ^a   Pandey, Anita ^b   Palni, Lok Man S ^b  

^a UNIVERSITY OF FLORIDA   (United States)

^b G B PANT INSTITUTE OF HIMALAYAN ENVIRONMENT AND DEVELOPMENT   (India)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84872410171     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1007/978-3-642-27515-9_2     Document Type: Chapter

References (115)

1. Ahmad ZI, Ansar M, Tariq M, Anjum MS (2008) Effect of different rhizobium inoculation methods on performance of lentil in Pothowar region. Int J Agric Biol 10:81-84
2. Ajit NS, Verma R, Shanmugam V (2006) Extracellular chitinases of fluorescent pseudomonads antifungal to Fusarium oxysporum f. sp. dianthi causing carnation wilt. Curr Microbiol 52:310-316
3. Arshad M, Frankenberger WT Jr (2002) Ethylene: agricultural sources and applications. Kluwer, New York
4. Arshad M, Shaharoona B, Mahmood T (2008) Inoculation with plant growth promoting rhizobacteria containing ACC-deaminase partially eliminates the effects of water stress on growth, yield and ripening of Pisum sativum L. Pedosphere 18:611-620
5. Bashan Y (1998) Inoculants of plant growth promoting bacteria for use in agriculture. Biotechnol Adv 16:729-770
6. Bashan Y, Levanony H (1990) Current status of Azospirillum inoculation technology: Azospirillum as a challenge for agriculture. Can J Microbiol 36:591-608
7. Bennett RA, Lynch JM (1981) Colonization potential of bacteria in the rhizosphere. Curr Microbiol 6:137-138
8. Bestel-Corre G, Dumas-Gaudot E, Poinsot V, Dieu M, Dierick JF, van Tuinen D, Remacle J, Gianinazzi-Pearson V, Gianinazzi S (2002) Proteome analysis and identification of symbiosis-related proteins from Medicago truncatula Gaertn. by two-dimensional electrophoresis and mass spectrometry. Electrophoresis 23:122-137
9. Brodie EL, DeSantis TZ, Joyner DC, Baek SM, Larsen JT, Andersen GL et al (2006) Application of a high-density oligonucleotide microarray approach to study bacterial population dynamics during uranium reduction and reoxidation. Appl Environ Microbiol 72:6288-6298
10. Burr TJ, Schroth MN, Suslow T (1978) Increased potato yields by treatment of seed pieces with specific strains of Pseudomonas fluorescens and P. putida. Phytopathology 68:1377-1383
11. Chanway CP, Nelson LM, Holl FB (1989) Cultivar-specific growth promotion of spring wheat (Triticum aestivum L. by co-existent Bacillus species. Can J Microbiol 34:925-929
12. Chaurasia B, Pandey A, Palni LMS, Trivedi P, Kumar B, Colvin N (2005) Structural deformities in pathogenic fungi caused by diffusible and volatile compounds produced by an antagonist (Bacillus subtilis): in vitro studies. Microbiol Res 160:75-81
13. Curl EA, Truelove B (1986) The rhizosphere. Springer, New York
14. Das K, Katiyar V, Goel R (2003) 'P' solubilization potential of plant growth promoting Pseudomonas mutants at low temperature. Microbiol Res 158:359-362
15. DeSantis T, Brodie EL, Moberg J, Zubieta I, Piceno Y, Andersen G (2007) High-density universal 16 S rRNA microarray analysis reveals broader diversity than typical clone library when sampling the environment. Microb Ecol 53:371-383
16. Edwards RA, Rodriguez-Brito B, Wegley L, Haynes M, Breitbart M, Peterson DM (2006) Using pyrosequencing to shed light on deep mine microbial ecology. BMC Genomics 7:57
17. Frankenberger WT Jr, Arshad M (1995) Phytohormones in soil: microbial production and function. Marcel Dekker, New York
18. Garland JL (1996) Patterns of potential C source utilization by rhizosphere communities. Soil Biol Biochem 28:223-230
19. Germida JJ, Siciliano SD, de Freitas JR, Seib AM (1998) Diversity of root-associated bacteria associated with field-grown canola (Brassica napus L.) and wheat (Triticum aestivum). FEMS Microbiol Ecol 26:43-50
20. Glick BR (1995) The enhancement of plant growth by free living bacteria. Can J Microbiol 41:109-117
21. Glick BR, Patten CL, Holguin G, Penrose DM (1999) Biochemical and genetic mechanisms used by plant growth promoting bacteria. Imperial College Press, London
22. Gloud WD (1990) Biological control of plant root diseases by bacteria. In: Nakas JP, Hagedorn C (eds) Biotechnology of plant-microbe interactions. McGraw Hill, New York, pp 287-309
23. Gulati A, Rahi P, Vyas P (2008) Characterization of phosphate-solubilizing fluorescent pseudomonads from rhizosphere of seabuckthorn growing in cold deserts of Himalayas. Curr Microbiol 56:73-79
24. Gulati A, Vyas P, Rahi P, Kasana RC (2009) Plant growth-promoting and rhizosphere-competent Acinetobacter rhizosphaerae strain BIHB 723 from the cold deserts of the Himalayas. Curr Microbiol 58:371-377
25. Gulati A, Sharma N, Vyas P, Sood S, Rahi P, Pathania V, Prasad R (2010) Organic acid production and plant growth promotion as a function of phosphate solubilization by Acinetobacter rhizosphaerae strain BIHB 723 isolated from the cold deserts of the trans-Himalayas. Arch Microbiol 192:975-983
26. Harman GE (1992) Development and benefits of rhizosphere competent fungi for biological control of plant pathogens. J Plant Nutr 15:835-843
27. Harris JM, Lucas JA, Davey MR, Lethbridge G, Powell KA (1989) Establishment of Azospirillum inoculation in the rhizosphere of winter wheat. Soil Biol Biochem 21:59-64
28. He Z, Gentry TJ, Schadt CW, Wu L, Liebich J, Chong SC et al (2007) GeoChip: a comprehensive microarray for investigating biogeochemical, ecological and environmental processes. ISME J 1:67-77
29. Hiltner L (1904) Uber neuere ergahrungen und probleme auf dem gebiet der bodenbakteriologie und unter besonderer beruckscichtigung der grundungung und brache. Arb Dtsch Landwirt Ges 98:59-78
30. Johri BN, Sharma A, Virdi JS (2003) Rhizobacterial diversity in India and its influence on soil and plant health. Adv Biochem Eng Biotechnol 84:49-89
31. Josey DP, Beynon JL, Johnston AWB, Beringer JE (1979) Strain identification in Rhizobium using intrinsic antibiotic resistance. J Appl Bacteriol 46:333-350
32. Katiyar V, Goel R (2004) Siderophore mediated plant growth promotion at low temperature by mutant of fluorescent pseudomonad. Plant Growth Regul 42:239-244
33. Khalid A, Arshad M, Zahir ZA (2004) Screening plant growth-promoting rhizobacteria for improving growth and yield of wheat. J Appl Microbiol 96:473-480
34. Khalid A, Arshad M, Zahir ZA (2006) Phytohormones: microbial production and applications. In: Uphoff N, Ball AS, Fernandes E, Herren H, Husson O, Laing M, Palm C, Pretty J, Sanchez P, Sanginga N, Thies J (eds) Biological approaches to sustainable soil systems. Taylor & Francis, Boca Raton, FL, pp 207-220
35. Kloepper JW, Schroth MN (1978) Plant growth promoting rhizobacteria on radishes. In: Station de Pathologie Vegetal et Phytobacteriologie (ed) Proceedings of the 4th international conference on plant pathogenic bacteria. Angers, France, pp 879-882
36. Kloepper JW, Lifshitz R, Zablotowicz RM (1989) Free living bacterial inocula for enhancing crop productivity. Trends Biotechnol 7:39-43
37. Kluepfel DA (1993) The behaviour and tracking of bacteria in the rhizosphere. Annu Rev Phytopathol 31:441-472
38. Kommedahl T, Windels CE (1981) Root-, stalk-, and ear-infecting Fusarium species on corn in the USA. In: Nelson PE, Toussoun TA, Cook RJ (eds) Fusarium: diseases, biology and taxonomy. Pennsylvania State University Press, University Park, PA, pp 94-103
39. Kumar B, Trivedi P, Pandey A (2007) Pseudomonas corrugata: a suitable bioinoculant for maize grown under rainfed conditions of Himalayan region. Soil Biol Biochem 39:3093-3100
40. Leeman M, Den Ouden FM, Van Pelt JA, Dirkx FPM, Steijl H, Bakker PAHM, Schippers B (1996) Iron availability affects induction of systemic resistance to Fusarium wilt of radish by Pseudomonas fluorescens. Phytopathology 86:149-155
41. Lethbridge G (1989) An industrial view of microbial inoculants for crop plants. In: Campbell R, Macdonald RM (eds) Microbial inoculation of crop plants. IRL Press, Oxford, pp 1-10
42. Lugtenberg BJJ, Dekkers L, Bloemberg GV (2001) Molecular determinants of rhizosphere colonization by Pseudomonas. Annu Rev Phytopathol 38:461-490
43. Lynch JM (1990) Beneficial interactions between micro-organisms and roots. Biotechnol Adv 8:335-346
44. Mishra PK, Mishra S, Selvakumar G, Bisht SC, Kundu S, Bisht JK, Gupta HS (2008) Characterization of a psychrotrophic plant growth promoting Pseudomonas PGERs17 (MTCC 9000) isolated from North Western Indian Himalayas. Ann Microbiol 58:1-8
45. Mishra PK, Mishra S, Bisht SC, Selvakumar G, Kundu S, Bisht JK, Gupta HS (2009a) Isolation, molecular characterization and growth-promotion activities of a cold tolerant bacterium Pseudomonas sp. NARs9 (MTCC9002) from the Indian Himalayas. Biol Res 42:305-313
46. Mishra PK, Mishra S, Selvakumar G, Bisht JK, Kundu S, Gupta HS (2009b) Coinoculation of Bacillus thuringeinsis-KR1 with Rhizobium leguminosarum enhances plant growth and nodu-lation of pea (Pisum sativum L.) and lentil (Lens culinaris L.). World J Microbiol Biotechnol 25:753-761
47. Mishra PK, Bisht SC, Ruwari P, Joshi GK, Singh G, Bisht JK, Bhatt JC (2011) Bioassociative effect of cold tolerant Pseudomonas spp. and Rhizobium leguminosarum-PR1 on iron acquisition, nutrient uptake and growth of lentil (Lens culinaris L.). Eur J Soil Sci 47:35-43
48. Morris AC, Djordjevic MA (2006) The Rhizobium leguminosarum biovar trifolii ANU794 induces novel developmental responses on the subterranean clover cultivar Woogenellup. Mol Plant Microbe Interact 19:471-479
49. Narasimhan K, Basheer C, Bajic VB, Swarup S (2003) Enhancement of plant-microbe interactions using a rhizosphere metabolomics driven approach and its application in the removal of polychlorinated biphenyls. Plant Physiol 132:146-153
50. Nautiyal CS, Bhadauria S, Kumar P, Lal H, Mondal R, Verma D (2000) Stress induced phosphate solubilization in bacteria isolated from alkaline soils. FEMS Microbiol Lett 182:291-296
51. Negi YK, Garg SK, Kumar J (2005) Cold tolerant fluorescent Pseudomonas isolates from Garhwal Himalayas as potential plant growth promoting and biocontrol agents in pea. Curr Sci 89:2151-2156
52. Nelson LM (2004) Plant growth promoting rhizobacteria (PGPR): prospects for new inoculants. Crop Manage. doi: 10.1094/CM-2004-0301-05-RV
53. Nowak J (1998) Review-benefits of in vitro bacterization of plant tissue cultures with microbial inoculants. In Vitro Cell Dev Biol Plant 34:122-130
54. O'Sullivan JD, O'Gara F (1992) Traits of fluorescent Pseudomonas spp. involved in suppression of plant root pathogen. Microbiol Rev 56:662-676
55. Pal SS (1998) Interaction of an acid tolerant strain of phosphate solubilizing bacteria with a few acid tolerant crops. Plant Soil 198:169-177
56. Pandey A, Kumar S (1989) Potential of Azotobacters and Azospirilla as biofertilizers for upland agriculture: a review. J Sci Ind Res 48:134-144
57. Pandey A, Palni LMS, Coulomb N (1997) Antifungal activity of bacteria isolated from the rhizosphere of established tea bushes. Microbiol Res 152:105-112
58. Pandey A, Sharma E, Palni LMS (1998) Influence of bacterial inoculation on maize in upland farming systems of the Sikkim Himalaya. Soil Biol Biochem 30:379-384
59. Pandey A, Durgapal A, Joshi M, Palni LMS (1999) Influence of Pseudomonas corrugata inoculation on root colonization and growth promotion of two important hill crops. Microbiol Res 154:259-266
60. Pandey A, Palni LMS, Bag N (2000) Biological hardening of tissue culture raised tea plants. Biotechnol Lett 22:1087-1091
61. Pandey A, Palni LMS, Hebbar KP (2001) Suppression of damping-off in maize seedlings by Pseudomonas corrugata. Microbiol Res 156:191-194
62. Pandey A, Bag N, Chandra B, Palni LMS (2002a) Biological hardening: a promising technology for tissue culture industry. In: Nandi SK, Palni LMS, Kumar A (eds) Role of plant tissue culture in biodiversity conservation and development. Gyanodaya Prakashan, Nainital, India, pp 565-577
63. Pandey A, Palni LMS, Mulkalwar P, Nadeem M (2002b) Effect of temperature on solubilization of tricalcium phosphate by Pseudomonas corrugata. J Sci Ind Res 61:457-460
64. Pandey A, Trivedi P, Kumar B, Chaurasia B, Singh S, Palni LMS (2004) Development of microbial inoculants for enhancing plant performance in the mountains. In: Reddy MS, Kumar S (eds) Biotechnological approaches for sustainable development. Allied Publishers, New Delhi, India, pp 13-20
65. Pandey A, Trivedi P, Kumar B, Chaurasia B, Palni LMS (2006a) Soil microbial diversity from the Himalaya: need for documentation and conservation. NBA Scientific Bulletin No. 5, National Biodivesity Authority Chennai, Tamil Nadu, India
66. Pandey A, Trivedi P, Kumar B, Palni LMS (2006b) Characteristics of a phosphate solubilizing and antagonistic strain of Pseudomonas putida (B0) isolated from a sub-alpine location in the Indian central Himalaya. Curr Microbiol 53:102-107
67. Pandey A, Chaudhry S, Sharma A, Choudhary VS, Malviya MK, Chamoli S, Rinu K, Trivedi P, Palni LMS (2011) Recovery of Bacillus and Pseudomonas spp from the 'Fired Plots' under Shifting Cultivation in Northeast India. Current Microbiology 62 (1):273-280. doi: 10.1007/s00284-010-9702-6
68. Paroda RS (1997) Foreword. In: Dhadarwal KR (ed) Biotechnological approaches in soil microorganisms for sustainable crop production. Scientific Publishers, Jodhpur, India
69. Peck SC, Nühse TS, Hess D, Iglesias A, Meins F, Boller T (2001) Directed proteomics identifies a plant-specific protein rapidly phosphorylated in response to bacterial and fungal elicitors. Plant Cell 13:1467-1475
70. Persello-Cartieaux F, Nussaunme L, Robaglia C (2003) Tales from underground: molecular plant-rhizobacteria interactions. Plant Cell Environ 26:189-199
71. Poi SC, Kabi MC (1979) Effect of Azotobacter inoculation on growth and yield of jute and wheat. Ind J Agric Sci 49:478-480
72. Purohit AN (1995) The murmuring man: man in search of environmentally sound development. Bisen Singh Mahendra Pal Singh Publishers, Dehradun, India
73. Rainey PB (1999) Adaptation of Pseudomonas fluorescens to the plant rhizosphere. Environ Microbiol 1:243-257
74. Rinu K, Pandey A (2009) Bacillus subtilis NRRL B-30408 inoculation enhances the symbiotic efficiency of Lens esculenta Moench at a Himalayan location. J Plant Nutr Soil Sci 172:134-139
75. Roberts DP, Yucel I, Larkin RP (1998) Genetic approaches for analysis and manipulation of rhizosphere colonization by bacterial biocontrol agents. In: Boland GJ, Kuykendall LD (eds) Plant-microbe interactions and biological control. Marcel Dekker, New York, pp 415-431
76. Roesch LFW, Fulthorpe RR, Riva A, Casella G, Hadwin AKM et al (2007) Pyrosequencing enumerates and contrasts soil microbial diversity. ISME J 1:283-290
77. Selvakumar G, Mohan M, Kundu S, Gupta AD, Joshi P, Nazim S, Gupta HS (2007) Cold tolerance and plant growth promotion potential of Serratia marcescens strain SRM (MTCC 8708) isolated from flowers of summer squash (Cucurbita pepo). Lett Appl Microbiol 46:171-175
78. Selvakumar G, Kundu S, Gupta AD, Shouche YS, Gupta HS (2008a) Isolation and characterization of nonrhizobial plant growth promoting bacteria from nodules of Kudzu (Pueraria thunbergiana) and their effect on wheat seedling growth. Curr Microbiol 56:134-139
79. Selvakumar G, Kundu S, Joshi P, Nazim S, Gupta AD, Mishra PK, Gupta HS (2008b) Characterization of a cold-tolerant plant growth-promoting bacterium Pantoea dispersa 1A isolated from a sub-alpine soil in the North Western Indian Himalayas. World J Microbiol Biotechnol 24:955-960
80. Selvakumar G, Joshi P, Nazim S, Mishra PK, Bisht JK, Gupta HS (2009a) Phosphate solubilization and growth promotion by Pseudomonas fragi CS11RH1 (MTCC 8984) a psychrotolerant bacterium isolated from a high altitude Himalayan rhizosphere. Biologia 64:239-245
81. Selvakumar G, Joshi P, Nazim S, Mishra PK, Kundu S, Gupta HS (2009b) Exiguobacterium acetylicum strain 1P (MTCC 8707) a novel bacterial antagonist from the North Western Indian Himalayas. World J Microbiol Biotechnol 25:131-137
82. Selvakumar G, Joshi P, Suyal P, Mishra PK, Joshi GK, Bisht JK, Bhatt JC, Gupta HS (2010) Pseudomonas lurida M2RH3 (MTCC 9245), a psychrotolerant bacterium from the Uttarakhand Himalayas, solubilizes phosphate and promotes wheat seedling growth. World J Microbiol Biotechnol. doi:10.1007/s11274-010-0559-4
83. Shanmugam V, Ajit NA, Verma R, Sharma V (2008) Diversity and differentiation among fluorescent pseudomonads in crop rhizospheres with whole-cell protein profiles. Microbiol Res 163:571-578
84. Sharma A, Johri BN (2003) Growth promoting influence of siderophore-producing Pseudomonas strains GRP3A and PRS9 in maize (Zea mays L.) under iron depriving conditions. Microbiol Res 158:243-248
85. Sharma A, Wray V, Johri BN (2007) Molecular characterization of plant growth promoting rhizobacteria that enhance peroxidase and phenylalanine ammonia lyase activities in chile (Capsicum annuum L.) and tomato (Lycopersicon esculentum Mill.). Arch Microbiol 188:483-494
86. Sinha SK (1997) Global change scenario: current and future with reference to land cover changes and sustainable agriculture-South and South-East Asian context. Curr Sci 72:846-854
87. Smalla K, Wieland G, Buchner A, Zock A, Parzy J, Kaiser S, Roskot N, Heuer H, Berg G (2001) Bulk and rhizosphere soil bacterial communities studied by denaturing gradient gel electrophoresis: plant-dependent enrichment and seasonal shifts revealed. Appl Environ Microbiol 67:4742-4751
88. Smit E, Leeflang P, Gommans S, van den Broek J, van Mil S, Wernars K (2001) Diversity and seasonal fluctuations of the dominant members of the bacterial soil community in a wheat field as determined by cultivation and molecular methods. Appl Environ Microbiol 67:2284-2291
89. Sogin ML, Morrison HG, Huber JA, Welch DM, Huse SM, Neal PR, Arrieta JM, Herndl GJ (2006) Microbial diversity in the deep sea and the underexplored 'rare biosphere'. Proc Natl Acad Sci USA 103:12115-12120
90. Sorensen J, Jensen LE, Nybroe O (2001) Soil and rhizosphere as habitats for Pseudomonas inoculants: new knowledge on distribution, activity and physiological state derived from micro-scale and single-cell studies. Plant Soil 232:97-108
91. Suslow TV, Schroth MN (1982) Rhizobacteria of sugar beets: effect of seed application and root colonization on yield. Phytopathology 72:199-206
92. Swaminathan MS (1999) I predict: a century of hope harmony with nature and freedom from hunger. East West Books (Madras), Chennai
93. Sylvia DM, Chellemi DO (2001) Interactions among root inhabiting fungi and their implications for biological control of root pathogens. Adv Agron 73:1-33
94. Thomashow LS, Weller DM (1988) Role of phenazine antibiotic from Pseudomonas fluorescens in biological control of Gaeumannomyces graminis var. tritici. J Bacteriol 170:3499-3508
95. Tilak KVBR, Ranganayaki N, Pal KK, De R, Tripathi AK, Johri BN (2005) Diversity of plant growth and soil health supporting bacteria. Curr Sci 84:136-150
96. Tripathi M, Johri BN, Sharma A (2005a) Plant growth-promoting Pseudomonas sp. strains reduce natural occurrence of Anthracnose in Soybean (Glycine max L.) in Central Himalayan region. Curr Microbiol 52:390-394
97. Tripathi M, Munot HP, Shouche Y, Meyer JM, Goel R (2005b) Isolation and functional characterization of siderophore producing lead- and cadmium-resistant Pseudomonas putida KNP9. Curr Microbiol 50:233-237
98. Trivedi P, Pandey A, Palni LMS (2005a) Carrier based formulations of plant growth promoting bacteria suitable for use in the colder regions. World J Microbiol Biotechnol 21:941-945
99. Trivedi P, Pandey A, Palni LMS, Bag N, Tamang MB (2005b) Colonization of rhizosphere of tea by growth promoting bacteria. Int J Tea Sci 4:19-25
100. Trivedi P, Pandey A (2007a) Application of immobilized cells of Pseudomonas putida to solubilize insoluble phosphate in broth and soil conditions. J Plant Nutr Soil Sci 170:629-631
101. Trivedi P, Pandey A (2007b) Biological hardening of micropropagated Picrorhiza kurrooa Royel ex Benth - an endangered species of medical importance. World J Microbiol Biotechnol 23:877-878
102. Trivedi P, Pandey A (2008a) Plant growth promotion abilities and formulation of Bacillus megaterium strain B 388 isolated from a temperate Himalayan location. Ind J Microbiol 48:342-347
103. Trivedi P, Pandey A (2008b) Recovery of plant growth promoting rhizobacteria from sodium alginate beads after three years following storage at 4°C. J Indus Microbiol Biotechnol 35:205-209
104. Trivedi P, Sa T (2008) Pseudomonas corrugata (NRRL B-30409) mutants increased phosphate solubilization, organic acid production and plant growth at lower temperatures. Curr Microbiol 56:140-144
105. Trivedi P, Kumar B, Pandey A, Palni LMS (2007a) Growth promotion of rice by phosphate solubilizing bioinoculants in a Himalayan location. In: Velazquez E, Rodriguez-Barrueco C (eds) Proceedings books of first international meeting on microbial phosphate solubilization. Kluwer, Netherlands, pp 291-299
106. Trivedi P, Pandey A, Sa T (2007b) Chromate reducing and plant growth promoting activities of psychrotrophic Rhodococcus erythropolis MTCC 7905. J Basic Microbiol 47:513-517
107. Trivedi P, Pandey A, Palni LMS (2008) In vitro evaluation of antagonistic properties of Pseudomonas corrugata. Microbiol Res 163:329-336
108. Trivedi P, Wang N (2012) Application of phylogenetic oligonuleotide microarray (POA) in microbial analysis. In: Frans J. de Bruijn (ed) Handbook of metagenomics. Wiley-Blackwell, New York (in press)
109. Tunlid A, White D (1992) Biochemical analysis of biomass, community structure, nutritional status, and metabolic activity of microbial communities in soil. In: Stotzky G, Bollag JM (eds) Soil biochemistry. Marcel Dekker, New York, pp 229-262
110. Van Peer R, Neimann GJ, Schippers B (1991) Induced resistance and phytoalexin accumulation in biological control of fusarium wilt of carnation by Pseudomonas sp. strain WCS417r. Phytopathology 81:728-734
111. Verma R, Naosekpam AS, Kumar S, Prasad R, Shanmugam V (2007) Influence of soil reaction on diversity and antifungal activity of fluorescent pseudomonads in crop rhizospheres. Bioresour Technol 98:1346-1352
112. Vyas P, Gulati A (2009) Organic acid production in vitro and plant growth promotion in maize under controlled environment by phosphate-solubilizing fluorescent Pseudomonas. BMC Microbiol 9:174-181
113. Vyas P, Rahi P, Gulati A (2009) Stress tolerance and genetic variability of phosphate-solubilizing fluorescent Pseudomonas from the cold desert of the trans-Himalayas. Microb Ecol 58:425-434
114. Vyas P, Robin J, Sharma KC, Rahi P, Gulati A, Gulati A (2010) Cold-adapted and rhizosphere-competent strain of Rahnella sp. with broad-spectrum plant growth-promotion potential. J Microbiol Biotechnol 20:1724-1734
115. Weller DM (1988) Biological control of soil borne plant pathogens in the rhizosphere with bacteria. Annu Rev Phytopathol 26:379-407