International Journal of Plant Protection

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Evaluation of New Insecticides and Bio Pesticides Against Defoliators on Palak


Affiliations
1 Department of Entomology, University of Horticultural Sciences, Bagalkot (Karnataka), India
     

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The investigation was undertaken at the College of Horticulture, UHS, Bagalkot, during 2013-2014 to study the bio efficacy of different insecticides against Agrotis segetum (Denis and Schiffermuller) and Spoladea (=Hymenia) recurvalis (Fabricius) on Palak. The results indicated that the newer molecules viz., emamectin benzoate 5 per cent SG @ 0.25g/lit indoxacarb 15.8 per cent EC @ 0.25 ml/lit and fipronil 5 per cent SC @ 1ml/ lit were found very effective in minimizing the larval population and were superior in reducing the foliage damage and also fetched higher yields of 15.00, 15.11 and 15.33 t/ha, respectively throughout period of experiment. The highest ICBR (50.21) was obtained from the treatment indoxacarb 15.8 per cent EC @ 0.25 ml/lit.

Keywords

Agrotis segetum, Emamectin Benzoate, Fipronil, Indoxacarb, Palak, Spoladea recurvalis.
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Abstract Views: 342

PDF Views: 2




  • Evaluation of New Insecticides and Bio Pesticides Against Defoliators on Palak

Abstract Views: 342  |  PDF Views: 2

Authors

Y. K. Kotikal
Department of Entomology, University of Horticultural Sciences, Bagalkot (Karnataka), India
K. N. Manjula
Department of Entomology, University of Horticultural Sciences, Bagalkot (Karnataka), India

Abstract


The investigation was undertaken at the College of Horticulture, UHS, Bagalkot, during 2013-2014 to study the bio efficacy of different insecticides against Agrotis segetum (Denis and Schiffermuller) and Spoladea (=Hymenia) recurvalis (Fabricius) on Palak. The results indicated that the newer molecules viz., emamectin benzoate 5 per cent SG @ 0.25g/lit indoxacarb 15.8 per cent EC @ 0.25 ml/lit and fipronil 5 per cent SC @ 1ml/ lit were found very effective in minimizing the larval population and were superior in reducing the foliage damage and also fetched higher yields of 15.00, 15.11 and 15.33 t/ha, respectively throughout period of experiment. The highest ICBR (50.21) was obtained from the treatment indoxacarb 15.8 per cent EC @ 0.25 ml/lit.

Keywords


Agrotis segetum, Emamectin Benzoate, Fipronil, Indoxacarb, Palak, Spoladea recurvalis.

References