Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 47 issue 6 (december 2013) : 545-548

EFFECT OF NEEM BASED BOTANICALS, CHEMICALS AND BIO-INSECTICIDES FOR THE MANAGEMENT OF THRIPS IN ONION

Sujay Pandey1, B.K. Singh, R.P. Gupta
1National Horticultural Research and Development Foundation, Chitegaonphata, Post-Darnasangvi, Taluka-Niphad, Nasik- 422 001, India

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Cite article:- Pandey1 Sujay, Singh B.K., Gupta R.P. (2024). EFFECT OF NEEM BASED BOTANICALS, CHEMICALS AND BIO-INSECTICIDES FOR THE MANAGEMENT OF THRIPS IN ONION. Indian Journal of Agricultural Research. 47(6): 545-548. doi: .

ABSTRACT

Field experiments were conducted at Regional Research Station Nashik in two consecutive years during Rabi 2007-08 and 2008-09 on onion variety Agrifound Light Red for the management of onion thrips to assess the efficacy of neem based botanicals and chemical insecticides comprising N.S.K.E. @ 4.0%, Neem Seed Powder @ 6.0%, Fipronil 5 SC @ 1.5 ml/lt., Imidacloprid17.8 SL @ 0.3ml/lit and Spinosad 45 SC @ 1.0 ml/lt. by applying just after appearance of thrips which was followed by two sprays at fifteen days interval. The lowest mean thrips population (8.0 nymphs/plant) and the highest marketable yield (362 Q/ha) were achieved by applying fipronil @ 1.5 ml/lt. resulting in the highest cost benefit ratio (1:11.55) leading to an arbitration of spraying fipronil @ 1.5 ml/lt. at fifteen days interval minimize the thrips population and increase the yield of Rabi onion, while neem based formulations were found less effective.

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