A field experiment was conducted at Entomology farm, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu (SKUAST-J) in rabi 2020-21 to evaluate the efficacy of selected insecticides against Thrips tabaci L. in onion. A total of nine treatments viz., Acetamiprid 20 SP, Fipronil 5 SC, Emamectin benzoate 5 SG, Imidacloprid 17.8SL, Spinosad 45SC, Thiamethoxam 25WG, Beauvaria basiana and Metarhizium anisoplae along with control were tested for their efficacy against onion thrips 18 th standard week followed by the second spray in 21 st standard week. All the treatments were statistically superior over control in reducing the population of T. tabaci in onion. Among different insecticides tested, Imidacloprid 17.8 SL (0.3ml l -1 ) proved to be superior over all other insecticides in reducing the population of onion thrips after two sprays. Thiamethoxam 25 WG (0.25gl -1 ), Acetamiprid 20SP (0.2gl -1 ) and Fipronil 5C (1.5mll -1 ), however, also provided efficient control over the target insect pest and were at par with Acetamiprid 20SP (0.2g l -1 ).
A field experiment was carried out at Chatha Farm, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu (SKUAST-J) during 2020-21 to evaluate the impact of pest management modules against H. armigera (Hubner) on chickpeas. Five different modules viz., Bio-intensive module (Module-I), IPM module (Module-II), Chemical module (Module-III), Package of Practices (Module-IV) including control (Module-V) were tested against H. armigera. The results of the experimentation revealed that Module Ⅲ (Chemical module) was found superior in reducing the larval population of H. armigera. In the case of yield attributes against H. armigera, all the modules showed significantly different results wherein Module Ⅲ (2366.6kg/ha) accounted for maximum chickpea yield followed by Module-Ⅱ (1944.4 kg/kg), Module-Ⅰ (1511.1 kg/ha), Module-Ⅳ (911.1 kg/ha) and Module-Ⅴ (466.6 kg/ha) after harvest, respectively.
.A field experiment was conducted at Entomology farm, Faculty of Agriculture, SKUAST-K during rabi, 2019-20 to study the population dynamics of Thrips tabaci Lindeman in onion. The incidence of adults (31.00/ plant) and immatures (61.00/ plant) was observed from 9th standard meteorological week (SMW). It reached a peak on 22nd and 21st SMW and declined thereafter. The incidence revealed a positive correlation with temperature, rainfall and evening RH, and a negative one with morning RH; however, with nymphs it was a positive one with temperature and evening RH, and a negative one with rainfall and morning RH.
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