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Field Efficacy of New Generation Insecticides for the Management of Spotted Pod Borer, Maruca vitrata(Fab.) in Cowpea


Affiliations
1 Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
2 National Horticultural Research and Development Foundation, Nasik (M.S.), India
     

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The spotted pod borer, Maruca vitrata(Fab.) causes significant damage by attacking pods in cowpea. The aim of this study was to evaluate the field efficacy of new generation insecticides against spotted pod borer. Field experiments were conducted at Regional Research Station, Nasik (Maharashtra) on cowpea during Kharif,2009 and 2010. Among the new generations tested, flubendiamide 20 WG @ 1.0 g/l (4.79%) was observed significantly higher, in reducing the damage caused by the spotted pod borer in cowpea, on number basis followed by indoxacarb 14.5SC @ 0.5 ml/l (7.99%) and spinosad 45 SC @ 0.3 ml/l (8.70%). The highest marketable yield (91.49 q/ha) was recorded in flubendiamide 20 WG @ 1.0 g/l followed by spinosad 45 SC @ 0.3 ml/l (91.39 q/ha). However, the maximum cost benefit ratio (1:3.2) was recorded in thiodicarb 75 WP @ 1 g/l followed by indoxacarb 14.5 SC @ 0.5 ml/l (1:2.3), spinosad 45 SC @ 0.3 ml/l (1:1.9), emamectin benzoate 5 SG @ 0.5 g/l (1:1.3), flubendiamide 20 WG @ 1.0 g/l (1:1.1). On the basis of efficacy, flubendiamide 20 WG @ 1.0 g/l was observed to be very effective against Maruca vitratain cowpea followed by indoxacarb 14.5 SC @ 0.5 ml/l and spinosad 45 SC @ 0.3 ml/l.

Keywords

Cowpea, New Generation Insecticides, Management,Maruca vitrata.
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  • Field Efficacy of New Generation Insecticides for the Management of Spotted Pod Borer, Maruca vitrata(Fab.) in Cowpea

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Authors

B. K. Singh
Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
Rakesh Pandey
Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
A. K. Singh
Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
M. K. Mishra
Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
S. K. Singh
Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), India
R. P. Gupta
National Horticultural Research and Development Foundation, Nasik (M.S.), India

Abstract


The spotted pod borer, Maruca vitrata(Fab.) causes significant damage by attacking pods in cowpea. The aim of this study was to evaluate the field efficacy of new generation insecticides against spotted pod borer. Field experiments were conducted at Regional Research Station, Nasik (Maharashtra) on cowpea during Kharif,2009 and 2010. Among the new generations tested, flubendiamide 20 WG @ 1.0 g/l (4.79%) was observed significantly higher, in reducing the damage caused by the spotted pod borer in cowpea, on number basis followed by indoxacarb 14.5SC @ 0.5 ml/l (7.99%) and spinosad 45 SC @ 0.3 ml/l (8.70%). The highest marketable yield (91.49 q/ha) was recorded in flubendiamide 20 WG @ 1.0 g/l followed by spinosad 45 SC @ 0.3 ml/l (91.39 q/ha). However, the maximum cost benefit ratio (1:3.2) was recorded in thiodicarb 75 WP @ 1 g/l followed by indoxacarb 14.5 SC @ 0.5 ml/l (1:2.3), spinosad 45 SC @ 0.3 ml/l (1:1.9), emamectin benzoate 5 SG @ 0.5 g/l (1:1.3), flubendiamide 20 WG @ 1.0 g/l (1:1.1). On the basis of efficacy, flubendiamide 20 WG @ 1.0 g/l was observed to be very effective against Maruca vitratain cowpea followed by indoxacarb 14.5 SC @ 0.5 ml/l and spinosad 45 SC @ 0.3 ml/l.

Keywords


Cowpea, New Generation Insecticides, Management,Maruca vitrata.

References