Efficacy of bio-pesticides against whitefly (Bemisia tabaci Genn.) on brinjal
2008
Dahani, S.A.
The experiment was laid out in a Complete Randomized Block Design (CRBD) with 4 replications. Each replication comprised of five sub plots for respective treatments as, T1 Tobacco Leaves, T2 Neem seed powder, T3 Neem oil, T4 Neem oil + Beneficial Microorganism (B.M.) and T5 (Control). The recommended doses of Tobacco Leaves, Neem seed powder, Neem oil and Neem oil + Beneficial Microorganism (B.M.) were sprayed thrice during cropping season. The pretreatment observation to record the population of white fly were recorded 24 hours before spray, whereas post-treatment observations were taken after, 24, 48 and 72 hours one week and two weeks intervals. In first spray against white fly, Neem seed powder was most effective bio-pesticide are showed highest mortality (74.54) followed by Neem oil + Beneficial Microorganism (B.M.) (66.96), after that Neem oil (63.98) and Tobacco Leaves (57.32).
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