Chemical control of two-spotted spider mite, Tetranychus urticae (Koch.) infesting gerbera (Gerbera jamesonii L.) under polyhouse condition
2014
Shah, Dharmishthabahen R. | Shukla, Abhishek
Efficacy of different pesticides were tested against Tetranychus urticae infesting gerbera under polyhouse conditions revealed that all the pesticidal treatments were significantly superior over untreated control in checking the eggs and mobile stages of mite. Diafenthiuron 50WP was most effective (68.79% reduction) and was at par with other treatments viz., fenpyroximate 5% EC, buprofezin 25% EC, abamectin 1.9% EC and fenazaquin 10%. The treatment comprising dimethoate 30% EC was less effective in reducing mites under polyhouse conditions. On the basis of net CBR, fenpyroximate (1:28.78) stood first amongst all the treatments.
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