Field and pot culture experiments were conducted to evaluate the bioefficacy of acaricides and TNAU neem oils against Tetranychus urticae (Koch) on bhendi and brinjal. Dicofol, monocrotophos, phosalone, wettable sulphur, Tamil Nadu Agricultural University Neem oil (TNAU NO 60 EC), Neem oil + Pungam oil (NOPO 60EC) and Neem seed kernel extract (NSKE) were used for the study. Dicofol 0.05% proved to be the most effective causing 70.56 to 91.85 per cent reduction of mites in blendi and 66.99 to 99.20 per cent reduction in brinjal both under field and pot culture conditions. The insecticides viz. wettable sulphur, phosalone and monocrotophos were next in order. The descending order of effectiveness was found to be NOPO, NSKE and TNAU NO.
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Madras
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Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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