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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2016, Vol. 4, Issue 1
Field evaluation of different insecticides against spotted bollworm (Earias spp.) and comparative yield assessment for BT and non-Bt cotton

Naveed Haider, Kanwer Shahzad Ahmed, Azhar Abbas Haidary, Muhammad Afzal, Muhammad Zeeshan Majeed

Cotton (Gossypium hirsutum L.) is an important cash crop of Indo-Pak region. Spotted bollworm (Earias spp. Fab.) is one of the serious lepidopterous pests of cotton. This study evaluated the comparative efficacy of Triazophos (Trizone 40 EC), Thiamethoxam+Chlorantraniliprole (Voliam-flexi 300 SE), Flubendiamide (Belt 480 SC), Emmamectin benzoate (Sajan 1.9 EC) and Gamma-Cyhalothrin (Proaxis 60 CS) against spotted bollworms on three Bt (Bt-703, Bt-3701, Tarzan) and three non-Bt (Anmol, C-26, FH-942) cotton cultivars. Apart from infestation, comparative cotton yield was also assessed. Insecticides were applied at their label-recommended doses upon reaching ETL of spotted bollworm infestation. Experiment was conducted in RCBD with three replications. Pest infestation was recorded 24 h pre- and 1, 2, 3 and 7 days post-treatment. Results revealed that Triazophos 40 EC gave the best control of spotted bollworms concomitantly with maximum cotton yield and, hence, should be incorporated with other pest control strategies in an integrated way.
Pages : 33-35 | 938 Views | 66 Downloads
How to cite this article:
Naveed Haider, Kanwer Shahzad Ahmed, Azhar Abbas Haidary, Muhammad Afzal, Muhammad Zeeshan Majeed. Field evaluation of different insecticides against spotted bollworm (Earias spp.) and comparative yield assessment for BT and non-Bt cotton. 2016; 4(1): 33-35.
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