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- Title
EVALUATION OF POTENCY OF SOME INSECTICIDAL TREATMENT SCHEDULE AGAINST Myzus persicae INCIDENCE ON POTATO.
- Authors
Kahar, B
- Abstract
Potency of some insecticidal treatment schedules, viz Tt (spiromesifen + spiromesifen), T2 (thiamethoxam + thiamethoxam), T3 (thiacloprid + thiacloprid), T4 (imidacloprid+ imidacloprid), T5 (cartap hydrochloride + cartap hydrochloride), T6 (chlorpyriphos + chlorpyriphos) and T7 (untreated control) were evaluated against Myzus persicae (Sulzer) on potato variety, Kufri Jyoti for two potato-growing years in 2017-2018 and 2018-2019. Among the seven different treatments, two foliar sprays of thiamethoxam 25 WG @125 g a.i/ha after emergence followed by second spray after 15 days of first spray and two foliar sprays of spiromesifen 240 S.C. @ 96 g a.i./ha after emergence followed by second spray after 30 days of first spray were found most effective in reducing the population of aphids. Cost benefit analysis revealed that T2 was most effective and at par with Tt The effect of thiamethoxam on natural enemies showed least detrimental effect followed by spiromesifen and imidacloprid. After tuberization, highest harvested yield of tuber and highest benefit cost ratio was found in treatment with thiamethoxam (T2) and spiromesifen (T1).
- Publication
Agricultural Research Journal, 2020, Vol 57, Issue 5, p700
- ISSN
2395-1435
- Publication type
Academic Journal
- DOI
10.5958/2395-146X.2020.00103.9