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Vol. 12, Special Issue 12 (2023)

Bio-efficacy evaluation of ready-mix insecticide (Diafenthiuron 30 + Pyriproxyfen 8% SE) against yellow mite, Polyphagotarsonemus latus (Banks) and whitefly, Bemisia tabaci (Gennadius) infesting in chilli in West Bengal

Author(s):
Suvash Ch. Bala
Abstract:
The present studies were undertaken at District seed Farm, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia, West Bengal during Kharif, 2020 and Rabi, 2020-21 to evaluate the bio-efficacy of the combine product Diafenthiuron 30% + Pyriproxyfen 8% SE against yellow mite and whitefly in chilli ecosystem. In case of yellow mite, maximum mortality was recorded from the treatment T4 = Diafenthiuron 30% + Pyriproxyfen 8% SE @ 1200 ml/ha which was statistically at par with the treatment T3 = Diafenthiuron 30% + Pyriproxyfen 8% SE @ 1000ml/ha. The treatment T5 = Diafenthiuron 50 WP @ 600 g/ha was recorded the next best result during the kharif, 2020 and rabi, 2020-21 seasons. However, in case of whitefly, maximum mortality was recorded from the treatment T4 i.e., Diafenthiuron 30% + Pyriproxyfen 8% SE @ 1200 ml/ha followed by the treatment T3=Diafenthiuron 30% + Pyriproxyfen 8% SE @ 1000 ml/ha). The treatment T2= (Diafenthiuron 30% + Pyriproxyfen 8% SE @ 800 ml/ha) exhibited the next best option displayed good percentage of mortality during the period of investigation. However regarding yield is concern, maximum green chilli yield was obtained from the T4 i.e., highest dose of Diafenthiuron 30% + Pyriproxyfen 8% SE @ 1200 ml/ha which was at par with treatment T3.
Pages: 521-524  |  77 Views  50 Downloads
How to cite this article:
Suvash Ch. Bala. Bio-efficacy evaluation of ready-mix insecticide (Diafenthiuron 30 + Pyriproxyfen 8% SE) against yellow mite, Polyphagotarsonemus latus (Banks) and whitefly, Bemisia tabaci (Gennadius) infesting in chilli in West Bengal. The Pharma Innovation Journal. 2023; 12(12S): 521-524.
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