A. P. BiradarMallinath Nirgude2017-03-062017-03-06http://krishikosh.egranth.ac.in/handle/1/5810004025Bijapur district covering Bijapur, Sindagi, Indi and Basavana Bagewadi talukas during Kharif 2012. Maximum mean population of thrips were recored in Muddebihal (39.3) and Basavana Bagevadi (17.1) taluka. Higher number of spiders (1.2) and coccinellid beetles (1.1) were found in Sindagi taluka and Basavan bagewadi talukas. A field experiment was conducted at Regional Agricultural Research Station, Bijapur, University of Agricultural Sciences, Dharwad during kharif 2012/13. Totally five dates of sowing were made at 10 days interval starting from 15/06/2012 to 25/07/2012. Sowing the crop on 25/07/2012 (2123/5 plants) followed by 15/07/2012 (2589/5 plants.) emerged as better and optimum dates and for onion sowing. The maximum mean population of spiders (11.50) and coccinellid beetles (10.25) were noticed in the crop sown on 15/06/2012 at physiological stage. Minimum per cent leaf curl was noticed from the crop sown on 25/07/2012 during seedling stage, vegetative stage and physiological maturity stage of onion crop. Another field experiment was laid out at RARS, Bijapur to know the efficacy of newer insecticides and botanicals on the incidence of onion thrips during kharif 2012. Among the different thrips management treatments, lowest mean population thrips per five plants was recorded in thiamethoxam 25 WG (61) followed by imidacloprid 70 WG (92.33). Organics viz., nimbicidine, vermiwash and Verticellium lecani, were moderately effective against onion thrips. Among the different chemicals tested for thrips management in onion, thiamethoxam 25 WG and imidacloprid 70 WG were significantly superior among organics/chemicals tested and recorded higher BC ratio (1:3.6 and 1:1.35).ennullThesis