International Journal of Plant Protection

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Bio-Efficacy of Novel Insecticides and Pymetrozine 50% WG against Insect Pests of Paddy


Affiliations
1 Department of Entomology, College of Agriculture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), India
2 Department of Zoology, School of Entomology, St. John’s College, Agra (U.P.), India
     

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A field experiment was conducted in Randomized Block Design with three replications of eight treatments during Kharif season 2014 at Chirori university research centre, SardarVallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.) to evaluate the effect of some novel insecticides against insect pests of paddy. Efficacy of seven insecticides viz.,Pymetrozine 50% WG (GSP sample) @ 250, 300 and 400 g/ha, Pymetrozine 50% WG (market sample) @ 300 g/ha, Imidacloprid 17.8% SL @ 125 ml/ha and Fipronil 5% SC@ 1500 ml/hatasted against green leaf hopper (Nephotettixvirescens), Brown plant hopper (Nilaparvatalugens) and White backed plant hopper (Sogatellafurcifera). The results of the experiment showed that Pymetrozine 50% WG (GSP sample) @ 300 and 400 g/ha and Pymetrozine 50% WG (Market sample) @ 300 g/ha effectively controlled BPH, GLH and WBPH pests followed by Imidacloprid 17.8% SL @ 125 ml/ha and Fipronil 5% SC @ 1500 ml/ha. No phytotoxicity symptoms on paddy crop and no adverse effect on natural enemies were recorded due to application of treatments. Since Pymetrozine 50% WG @ 300 g/ha was equally effective to 400 g/ha dose.

Keywords

Novel Insecticides, Pymetrozine 50% WG, Insect Pests, Paddy.
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  • Bio-Efficacy of Novel Insecticides and Pymetrozine 50% WG against Insect Pests of Paddy

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Authors

Rajendra Singh
Department of Entomology, College of Agriculture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), India
Neelam Kumari
Department of Zoology, School of Entomology, St. John’s College, Agra (U.P.), India
Vimla Paul
Department of Zoology, School of Entomology, St. John’s College, Agra (U.P.), India
Sudhir Kumar
Department of Entomology, College of Agriculture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), India

Abstract


A field experiment was conducted in Randomized Block Design with three replications of eight treatments during Kharif season 2014 at Chirori university research centre, SardarVallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.) to evaluate the effect of some novel insecticides against insect pests of paddy. Efficacy of seven insecticides viz.,Pymetrozine 50% WG (GSP sample) @ 250, 300 and 400 g/ha, Pymetrozine 50% WG (market sample) @ 300 g/ha, Imidacloprid 17.8% SL @ 125 ml/ha and Fipronil 5% SC@ 1500 ml/hatasted against green leaf hopper (Nephotettixvirescens), Brown plant hopper (Nilaparvatalugens) and White backed plant hopper (Sogatellafurcifera). The results of the experiment showed that Pymetrozine 50% WG (GSP sample) @ 300 and 400 g/ha and Pymetrozine 50% WG (Market sample) @ 300 g/ha effectively controlled BPH, GLH and WBPH pests followed by Imidacloprid 17.8% SL @ 125 ml/ha and Fipronil 5% SC @ 1500 ml/ha. No phytotoxicity symptoms on paddy crop and no adverse effect on natural enemies were recorded due to application of treatments. Since Pymetrozine 50% WG @ 300 g/ha was equally effective to 400 g/ha dose.

Keywords


Novel Insecticides, Pymetrozine 50% WG, Insect Pests, Paddy.

References