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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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2017, Vol. 5, Issue 2
Bio-efficacy of various insecticides and botanicals against chilli thrips (S. dorsalis Hood) and their comparative cost: Benefit analysis in chilli crop

Sandeep Kumar Sathua, MS Sai Reddy, Arjun Sulagitti and RN Singh

Bio-efficacy of four different insecticides (namely acephate, imidacloprid, cypermethrin, dimethoate) and three botanicals [namely Allium sativum extract, Allium cepa extract and NSKE] were investigated against chilli thrips. Among insecticides, imidacloprid 17.8 SL reduced maximum thrips population (82.46%) followed by acephate 75 SP (80.86%). Among botanicals, NSKE 5% caused maximum mortality of 64.50%, while garlic and onion extract showed comparatively less performance with 55.98% and 51.53% respectively. Among all treatments, the highest percent increase in yield over control was obtained from plots treated with imidacloprid 17.8 SL (45.42%) followed by cypermethrin 12.5 EC (38.15%). Amongst botanicals, greater percent increase in the yield was recorded by application of A. sativum extract (34.46%), followed by A. cepa extract (22.33%). The C: B ratio for all treatments was analyzed and found to be highest in case of imidacloprid 17.8 SL (1:16.66) whereas the lowest in case of dimethoate 0.03 EC (1:7.39).
Pages : 130-134 | 658 Views | 53 Downloads
How to cite this article:
Sandeep Kumar Sathua, MS Sai Reddy, Arjun Sulagitti and RN Singh. Bio-efficacy of various insecticides and botanicals against chilli thrips (S. dorsalis Hood) and their comparative cost: Benefit analysis in chilli crop. 2017; 5(2): 130-134.
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