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Safety of Selected Insecticides against Lady Bird Beetle in Soybean


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1 Department of Entomology, College of Agriculture, Nagpur (M.S.), India
     

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Field trial was conducted during Kharif 2014 to determine the effects of different treatments against lady bird beetle Coccinella septumpunctata in soybean ecosystem in the College of Agriculture Nagpur. Least average number of grubs recorded in treatment of Fenvalerate 20 EC @ 0.50 ml found to be superior as compared to other treatments. The next effective treatments were emamectin benzoate 5 S G @ 0.3 g per lit. and also in Spinosad 45 SC @ 0.25 ml per lit., Indoxacarb 15.8 EC @ 0.60 ml per lit., which were at par with T6 and T3. However, the treatment Neem oil 2 per cent recorded grubs per 5 plants. Whereas, NSE @ 5 per cent and Beauveria bassiana 1x108 CFU @ 4 g per lit. were found to be least effective in reducing grubs population.

Keywords

Emamectin Benzoate, Spinosad, Lady Bird Beetle, Beauveria bassiana, Indoxacarb.
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  • Safety of Selected Insecticides against Lady Bird Beetle in Soybean

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Authors

M. V. Matti
Department of Entomology, College of Agriculture, Nagpur (M.S.), India
R. O. Deotale
Department of Entomology, College of Agriculture, Nagpur (M.S.), India

Abstract


Field trial was conducted during Kharif 2014 to determine the effects of different treatments against lady bird beetle Coccinella septumpunctata in soybean ecosystem in the College of Agriculture Nagpur. Least average number of grubs recorded in treatment of Fenvalerate 20 EC @ 0.50 ml found to be superior as compared to other treatments. The next effective treatments were emamectin benzoate 5 S G @ 0.3 g per lit. and also in Spinosad 45 SC @ 0.25 ml per lit., Indoxacarb 15.8 EC @ 0.60 ml per lit., which were at par with T6 and T3. However, the treatment Neem oil 2 per cent recorded grubs per 5 plants. Whereas, NSE @ 5 per cent and Beauveria bassiana 1x108 CFU @ 4 g per lit. were found to be least effective in reducing grubs population.

Keywords


Emamectin Benzoate, Spinosad, Lady Bird Beetle, Beauveria bassiana, Indoxacarb.

References