Evaluation of new insecticidal combination against whitefly Bemesia tabaci (Gennadius) and mites Polyphagotarsonemus latus (Bank) on Chilli

The treatment included of spirotetramat 30 g/l + difenthiuron 120 g/l w/v SC at doses of 45+80; 60+240; 75+300 g a.i./ha, spirotetramat 15.31% OD @ 75 g a.i./ha, difenthiuron 50% WP @ 300 g a.i./ha, fenpropathrin 30% EC @ 75 g a.i./ha and an untreated control to assess their field efficacy against the whitefly and mites of chilli. All insecticidal treatments significantly reduced the population of chilli whitefly and mites than untreated control. Among the treatments, spirotetramat 30 g/l + difenthiuron 120 g/l w/v SC (readymix insecticide) @ 60+240 and 75+300 g a.i./ha found most effective for the control of chilli whitefly and mites. The impact of these treatments in respect of green chilli yield was also observed higher than untreated control.