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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2017 , Volume 5, Issue 4
Page No. : 1258-1264
Article doi: : http://dx.doi.org/10.18782/2320-7051.5166
In vitro Evaluation of Biocontrol Agents Against Damping Off Disease Caused by Pythium debaryanum on Tomato
M. Rajendra Prasad*, B. Vidya Sagar, G. Uma Devi and S. R. Koteswar Rao
Department of Plant Pathology, College of Agriculture, PJTSAU Hyderabad
*Corresponding Author E-mail: prasadagrico@gmail.com
Received: 7.07.2017 | Revised: 15.07.2017 | Accepted: 16.07.2017
ABSTRACT
Damping-off diseases incited by different species of Pythium are a persistent problem worldwide, often resulting in reduced yields and occasionally resulting in major crop damage. There have been increasing restrictions on the use of chemical fungicides, and the development of disease-suppressive biocontrol agents has become a major goal of horticulture crops. An experiment was conducted with twenty four fungal biocontrol agents and twelve bacterial biocontrol agents were screened for their efficacy against phytopathogenic fungi Pythium debaryanum through dual culture technique. The Trichoderma harzianum -7 and Pseudomonas fluorescence -3 were found effective in inhibition of mycelium (80.03, 58.50) against Pythium debaryanum under in vitro conditions.
Keywords: Pythium debaryanum, Trichoderma harzianum, Pseudomonas fluorescence, Biocontrol agents, Tomato.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782/2320-7051.5166
Cite this article:
Prasad, M.R., Sagar, B.V., Devi, G.U. and Rao, S.R.K., In vitro Evaluation of Biocontrol Agents Against Damping Off Disease Caused by Pythium debaryanum on Tomato, Int. J. Pure App. Biosci. 5(4): 1258-1264 (2017). doi: http://dx.doi.org/10.18782/2320-7051.5166
