National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The present investigation was conducted to study the seasonal incidence of thrips, Thrips tabaci on onion at various locations in Kashmir valley, during the year 2017-18 and management of thrips during the year 2019. Onion crop was raised as per the recommended package of practices. The crop was observed on weekly basis to find out the incidence of onion thrips. The infestation of thrips was first observed from 1st week of May to 4th week of July. The percent incidence and severity index ranged from 6.66 and 1.07 and 30.0 and 1.60 from May to July respectively at Shalimar. Likewise the percent incidence and severity index ranged from 10.50 and 1.20 and 30.55 and 1.49 from May to July respectively at Tailbal. Similarly at Zakura the percent incidence and severity index ranged from 6.67 and 1.11 and 25.0 and 1.48 from May to July respectively. Thiacloprid 21.7 SC @ 0.4 ml/litre of water proved efficacious for the management of onion thrips at both the locations of Shalimar and Mirgund with average percent mortality of 74.05 and 73.49 respectively.
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