tailieunhanh - Antagonistic activity of biocontrol agents against Rhizoctonia Bataticola causing dry root rot (DRR) in chickpea

Among the four bioagents evaluated for their efficacy in inhibiting mycelial growth of Rhizoctonia bataticola causing dry root rot of chickpea by dual culture technique. The results indicated that T. harzianum is highly antagonistic to Rhizoctonia bataticola by suppressing its growth by per cent. Paper towel method was also followed to test the efficacy of bioagents in suppressing the seedborne infections. Among the four bio-agents with three concentrations viz., %, % and % tested, as the concentration increased the percent seed infection was reduced, percent germination and vigour index were increased. The Trichiderma harzianum with the concentration of % has shown the best result. Seed treatment with Trichoderma harzianum showed least mean seed infection ( %), higher mean per cent germination ( %) and high mean vigour index (). | Antagonistic activity of biocontrol agents against Rhizoctonia Bataticola causing dry root rot (DRR) in chickpea

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