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Pakistan Journal of Biological Sciences
Year: 2004  |  Volume: 7  |  Issue: 1  |  Page No.: 10 - 13

Efficacy of Different Insecticides Against Plutella xylostella under Field Conditions

T.S. Syed, G.H. Abro and S. Ahmed    

Abstract: In this study different insecticides were tested under field condition on cabbage, Brassica oleracea capitata and cauliflower, Brassiaca oleracea botrytis at vegetable fields of TandoAllhayar, Dist Hyderabad. Pretreatment observations were recorded one day before treatment and post treatment after 96 h and seven days interval in first and second sprays, respectively. Avermectin was most effective when applied on cabbage in first and second sprays against diamond back moth, where as, Bacillus thuringiensis and spinosad remained effective in both sprays after 96 h and seven days interval, on cauliflower compared with other insecticides. It was concluded that Bacillus thuringiensis, avermectin and spinosad were more effective compared with other insecticides tested in the present study.

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