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Singh, S. K.
- Field Efficacy of New Generation Insecticides for the Management of Spotted Pod Borer, Maruca vitrata(Fab.) in Cowpea
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Authors
Affiliations
1 Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), IN
2 National Horticultural Research and Development Foundation, Nasik (M.S.), IN
1 Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), IN
2 National Horticultural Research and Development Foundation, Nasik (M.S.), IN
Source
International Journal of Plant Protection, Vol 13, No 1 (2020), Pagination: 36-39Abstract
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
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- Estimation of Pesticide Residues in Table Grapes by using Gas and Liquid Chromatography Coupled with Mass Spectrometry
Abstract Views :416 |
PDF Views:0
Authors
Affiliations
1 National Horticultural Research and Development Foundation, Nasik (M.S.), IN
2 Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), IN
1 National Horticultural Research and Development Foundation, Nasik (M.S.), IN
2 Department of Entomology, Banda University of Agriculture and Technology, Banda (U.P.), IN
Source
International Journal of Plant Protection, Vol 13, No 1 (2020), Pagination: 50-57Abstract
The grapes are being exported in increasing quantities from Maharashtra to European countries and a lot of pesticide inputs are being used by the growers. A total number of 578 grape samples collected from Nasik district during December, 2013 to April, 2014 and analyzed for 167 numbers of multi-class pesticide (Organophosphate, Triazine, Pyrimidine, Triazole, Imidazole, Benzimidazole, Nicotinoid, Substituted thiourea, Strobiluron, Dinitroaniline, Morpholine) residue levels using Liquid Chromatography-Mass spectrometry/Mass spectrometry (LC-MS/MS) and Gas Chromatography-Mass spectrometry/Mass spectrometry (GC-MS/MS) by using validated methods. Only four samples were free from pesticide residues and rest were contaminated with 1-13 numbers of pesticides residue. During the study different classes of total 41 number of agro-chemicals had been detected and 116 number of samples were failed with residues of 4-Bromo-2-Chlorophenol, Abamectin,Carbendazim, Chlormequat Chloride , Chloropyriphos,Dinocap,Forchlorfenuron, Hexaconazole, Flusilazole, Profenophos, Spinosad, Thiacloprid, Triazophos, Fipronil and Acephate by exceeding their European Union MRLs.Keywords
GC-MS/MS, grapes, LC-MS/MS, MRL, Pesticide Residues Analysis.References
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