Efficacy of selected insecticides against sucking pests of pomegranate

K. ELANGO, S. SRIDHARAN, P. A. SARAVANAN, S. BALAKRISHNAN

Abstract


Six insecticides viz., imidacloprid 17.8 SL (0.00712%), thiamethoxam 25 WG (0.005%), chlorantraniliprole 18.5
SC (0.0037%), dichlorvos 76% EC (0.076 %), dimethoate 30% EC (0.06%) and fipronil 5% SC (0.01%) were evaluated against
pomegranate sucking pests viz., thrips, Scirtothrips dorsalis Hood, whitefly, Siphoninus phillyreae Haliday and two tailed
mealy bug, Ferrisia virgata (Cockerell) during 2015-16 at the Department of Agricultural Entomology, Tamil Nadu Agricultural
University, Coimbatore. The study revealed that dichlorvos 76% EC (0.076%), imidacloprid 17.8 SL (0.00712%) and dimethoate
30% EC (0.06%) were effective with the maximum mortality in thrips at 48 hours after treatment. Whereas, in whiteflies
dimethoate 30% EC (0.06%) with 71.11 per cent mortalityfollowed byimidacloprid 17.8 SL (0.00712%) 70.0 per cent mortality
were observed. Thiamethoxam 25 WG (0.005%), imidacloprid 17.8 SL (0.00712%) and dimethoate 30% EC (0.06%) were effective
against mealybugs.


Keywords


Bioassay; insecticides; Ferrisia virgata; pomegranate; sucking pests

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