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Dis. 98 , 55 – 61 . Ali , H. and Nadarajah , K. ( 2014 ): Evaluating the efficacy of Trichoderma spp and Bacillus subtilis as biocontrol agents against Magnaporthe grisea in rice . Australian J. Crop Sci. 8 , 1324 – 1335

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protease and phosholipase C are controlled by the global regulatory gene gacA in the biocontrol strain Pseudomonas fluorescens CHA0. FEMS Microbiol. Lett. 116, 155–160. Haas D

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Eighteen isolates of fluorescent pseudomonads ad Bacillus spp. were isolated from the Meloidogyne incognita suppressive soils of tomato fields. These isolates were evaluated in the laboratory and green house for the biocontrol of M. incognita . Eight isolates were considered to have potential for the biocontrol of M. incognita on the basis of the antibiotic sensitivity, fluorescence produced by Pseudomonas , inhibitory effect on the hatching and penetration of M. incognita and root colonization of tomato root by these isolates. These 8 isolates (Pa22, Pf25, Pf27, Pa28, B22, B23, B27 and B28) were further tested for their biocontrol potential against M. incognita on tomato in a pot test. Out of 8 isolates, isolate B28 was the best in improving tomato growth of M. incognita inoculated plants. Isolate B28 also caused greater reductions in galling and multiplication of M. incognita on tomato while isolate Pa28 was found best in improving growth of plants without M. incognita .

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Literature Amin , F. , Razdan , V. , Bhat , K. and Banday , S. ( 2010 ): Potential of Trichoderma species as biocontrol agents of soil borne fungal propagules . J. Phytology 2 , 38 – 41 . Balasuriya , A. and Kalaichelvan

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Acta Phytopathologica et Entomologica Hungarica
Authors: A. Kamalakannan, L. Mohan, K. Kavitha, S. Harish, R. Radjacommare, S. Nakkeeran, V. K. Parthiban, R. Karuppiah, and T. Angayarkanni

, India. Asaka, O. and Shoda, M. (1996): Biocontrol of Rhizoctonia solani causing damping-off of tomato with Bacillus subtilis RB 14. Appl. Environ. Microbiol. 62, 4081–4085. Biocontrol

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Acta Biologica Hungarica
Authors: Wesam I. A. Saber, Khalid M. Ghoneem, Abdulaziz A. Al-Askar, Younes M. Rashad, Abeer A. Ali, and Ehsan M. Rashad

References 1. Brewer , M. T. , Larkin , R. P. ( 2005 ) Efficacy of several potential biocontrol organisms against Rhizoctonia solani on potato . Crop Prot

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Elad, Y., Bhardwaj, S., Nitzani, Y., Rav-David, D. (2002): Biocontrol of Sclerotinia sclerotiorum by Trichoderma spp. resistance-inducing isolates as modified by spatial, temporal and host plant factors. Bulletin-OILB/SROP , 25 , 17

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harzianum: Ultrastructural and cytochemical aspects of the interaction . Phytopathology 86 , 405 – 416 . Benítez , T. , Rincón , A. M. , Limón , M. C. and Codón , A. C. ( 2004 ): Biocontrol mechanisms of Trichoderma strains . Int. Microbiol

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Baker, R. and Dickman, M. B. (1993): Biocontrol with fungi. - In: Blaine Metting, F. Jr. (ed.): Soil microbial ecology - application in agricultural and environmental management. Marcer Dekker Inc., New York, pp. 27

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76 60 65 Chet, I. (1987): Trichoderma application, mode of action and potential as a biocontrol agent of soil-borne plant pathogenic fungi. In

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