2017•Plant Disease ResearchRequires access

Evaluation of Trichoderma isolates against Rhizoctonia solani and Rhizoctonia oryzae causing sheath blight of rice

Ahmed Ibrahim Abdelbary Ibrahim Heflish, Narinder Pal Singh, Shiveta Raina, Daljeet Singh Buttar

Abstract

Twenty seven isolates of Trichoderma spp. (26 isolates of Trichoderma spp. and one isolate Trichoderma viride) were isolated from the natural soil. Among all isolates T. asperellum (T19) showed the maximum inhibition of Rhizoctoniasolani and R. oryzae (65.80 and 74.44%, respectively) by dual culture technique. The volatile metabolites from T. asperellum (T19) caused 56.91% inhibition against R. solani and 91.23% against R. oryzae as compared to control. T. asperellum (T19) when applied as seed+soil+foliar application @15g/kg controlled the sheath blight upto 73.66%.

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Key concepts: Rhizoctonia solani, Rhizoctonia, Trichoderma, Sheath blight, Trichoderma viride, Biology, Horticulture, Veterinary medicine