International Journal of Agriculture and Food Science

International Journal of Agriculture and Food Science

Online ISSN: 2664-8458
Print ISSN: 2664-844X

International Journal of Agriculture and Food Science
Online and Print Journal   |   Indexed Journal   |   Refereed Journal   |   Peer Reviewed Journal
International Journal of Agriculture and Food Science
2019, Vol. 1, Issue 4
Alternation of insecticide sprays for the management of the bollwarms and effect of natural Enemies pest of BT cotton

Bhavna Verma, Girish Patidar, Ravikant Soni, Sachin Patidar

An experiment was conducted during kharif 2014 at College of Agriculture, Indore (M.P.) All India Coordinated Cotton Improvement Project Indore (M.P.). In randomized block design. The least open boll damage was recorded in T3- Imidacloprid (17.8%SL) @ 25 gai/ha & Acephate (75%SP) @ 250 gai/ha. (2.66%). further locule damage per cent was noticed minimum in T4- thiamethaxam WG @ 37.5 gai/ha and Imidacloprid 30.5 SC @ 26.25 gai/ha (3.56%). The highest seed cotton yield was observed in T7- Acetamiprid (20%SP) @ 30 gai/ha & Difenthiuran (50%WP) @ 300 gai/ha. Received maximum net return (Rs.121313) with maximum cost benefit ratio (1:2:81) at par with T6- Fipronil (5%SC) @ 100 gai/ha & Lambdacyhalothrin (4.9%EC) @ 15 gai/ha. In which (3105kg/ha) yield was recorded and second highest net return (112092) and cost benefit ratio (1:2.60) was noticed.
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