Field efficacy of brinjal wilt with potential fungicides, biocontrol agents, and plant extracts

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Sabebaro Namo Das

Abstract

Two fungicides viz Carbendazim (@ .1%) and Mancozeb (@ .2%), one biocontrol agent (Trichoderma viride) @ 108 conidia/ml, and two plants extracts (Allium sativum and Allamanda cathertica) @15% were investigated against wilt disease of brinjal under field condition. Treatments were evaluated on three varieties susceptible to wilt disease of brinjal. The field trial revealed that Carbendazim showed the highest (V1=80, V2=76.8, V3=78.3) percent reduction of wilt disease, and its efficiency different significantly from the rest of the other treatments. Next Trichoderma viride gave the second-highest (V1=68, V2=60.6, V3= 65.2) percent followed by Mancozeb (V1=60, V2=46.6, V3=56.6) percent reduction. Among the two botanical extracts applied Allium sativum extract showed (V1=39.9, V2=23.1, V3 =34.7) percent and Allamanda cathertica (V1=27.8, V2=16.2, V3=21.6) percent reduction over control. Present research revealed that systemic and sulfur-containing fungicides, bi-agent, and plant extracts have the potential to control wilt disease of brinjal.

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