Author(s):

Dr. JN Srivastava, Dr. AK Singh, Dr. Mithilesh Kumar, Anupam Kumai and Dr. Rakesh Kumar

Abstract: Three species <em>Trichoderma</em> namely: <em>Trichoderma viride </em>(Tv) <em>Trichoderma harzianum </em>(Th), and <em>Trichoderma koningii (</em>Tk<strong><em>) </em></strong>and <em>Pseudomonas fluorescence</em> as seed treatment two neem-based formulation as seed treatment and soil drench were evaluated in greenhouse experiment of damping–off caused by <em>pythium aphanidermatum</em> in brinjal, brinjal, chilli, cauliflower and cabbage. Treatment with all the isolates of <em>Trichoderma</em> spp. and <em>Pseudomonas fluorescence</em> resulted in significantly higher seed germination, less disease and higher dry biomass over the non-treated control in all the treated crops. Two neem-based formulations also significantly suppressed the disease and were on par or superior in effectiveness as compared to the fungicides metalaxyl 8% mancozeb 64% (Ridomil MZ 72) and captan 50% WP (Captra 50 WP).

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