Indian Journal of Entomology

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Evaluation of Insecticides Against Thrips in Chilli


Affiliations
1 Department of Entomology, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India
2 Regional Research and Technology Transfer Station, Coastal Zone, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India
3 Department of Agricultural Biotechnology College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India
 

Field efficacy of some novel insecticides was evaluated against chilli thrips Scirtothrips dorsalis (Hood). Acetamiprid 20SP, spinosad 45SC, fenpyroximate 5EC, emamectin benzoate 5SG, fipronil 80WG, spiromesifen 22.9SC, diafenthiuron 50WP, acephate 75 SP and dimethoate 30EC were included. Among these, fipronil 80WG and spiromesifen 22.9SC were found superior with least incidence (0.98 and 1.04 thrips/ leaf, respectively) and 75.6 and 74.1% reduction over untreated control, respectively. Spiromesifen 22.9SC led to maximum reduction in leaf curl and fruit curl (84.6 and 83.1%, respectively) with maximum chlorophyll content in leaves and green chilli yield (93.85 q/ ha).

Keywords

Chilli thrips, Scirtothrips dorsalis (Hood), acetamiprid, spinosad, fenpyroximate, emamectin benzoate, fipronil, spiromesifen, diafenthiuron, acephate, dimethoate, leaf curl, fruit curl, chlorophyll content, yield.
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  • Evaluation of Insecticides Against Thrips in Chilli

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Authors

Prajna Prakash Mishra
Department of Entomology, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India
Arundhati Sasmal
Regional Research and Technology Transfer Station, Coastal Zone, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India
Kailash Chandra Samal
Department of Agricultural Biotechnology College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha, India

Abstract


Field efficacy of some novel insecticides was evaluated against chilli thrips Scirtothrips dorsalis (Hood). Acetamiprid 20SP, spinosad 45SC, fenpyroximate 5EC, emamectin benzoate 5SG, fipronil 80WG, spiromesifen 22.9SC, diafenthiuron 50WP, acephate 75 SP and dimethoate 30EC were included. Among these, fipronil 80WG and spiromesifen 22.9SC were found superior with least incidence (0.98 and 1.04 thrips/ leaf, respectively) and 75.6 and 74.1% reduction over untreated control, respectively. Spiromesifen 22.9SC led to maximum reduction in leaf curl and fruit curl (84.6 and 83.1%, respectively) with maximum chlorophyll content in leaves and green chilli yield (93.85 q/ ha).

Keywords


Chilli thrips, Scirtothrips dorsalis (Hood), acetamiprid, spinosad, fenpyroximate, emamectin benzoate, fipronil, spiromesifen, diafenthiuron, acephate, dimethoate, leaf curl, fruit curl, chlorophyll content, yield.

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DOI: https://doi.org/10.55446/IJE.2021.307