Bioefficacy of Imidacloprid against leaf hopper, Empoasca kerri on groundnut
2002
Babu, K.Ramesh | Santharam, G.(Tamil Nadu Agricultural University, Coimbatore(India). Department of Agricultural Entomology)
Efficacy of imidacloprid 200 SL was evaluated against leaf hopper, Empoasca kerri on groundnut in comparison with recommended insecticides,dimethoate and methyl-0-demeton during kharif and rabi 1998 seasons. Imidacloprid was applied as foliar application at 100, 150, 200 and 250 ml/ha. Observations recorded at 3, 7, 14 and 21 days after first and second treatments showed that imidacloprid treatments were significantly superior to the standard chemicals in reducing the leaf hopper population as compared to untreated check. The effect of imidacloprid foliar spray persisted for three weeks. Increased pod yield in the treatment was recorded at the time of harvest.
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