Field Evaluation of Trichoderma viride Pers. Ex. S. F. Gray and Pseudomonas fluorescens Migula against Foliar Diseases of Ground Nut and Sunflower


  • Nagarjuna Agricultural Research and Development Institute, Secunderabad, Andhra Pradesh, 500 009, India


Two biocontrol agents viz., Trichoderma viride Pseudomonas fluorescens Migula were evaluated against foliar diseases of groundnut and sunflower. Their efficacy was compared with that of commonly used fungicides. The results revealed that T. viride was equally effective as that of fungicides in controlling early and late leafspots and rust in groundnut, and Alternaria blight in sunflower in both the crops. Pseudomonas fluorescens was ineffective.


Biological Control, Foliar Diseases, Groundnut, Pseudomonas fluorescens, Sunflower, Trichoderma viride.

Subject Discipline

Agriculture Sciences

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