Bioefficacy of some novel and safer pesticides against fruit borer, Helicoverpa armigera in capsicum
Keywords:Helicoverpa armigera, capsicum, pesticides
AbstractExperiments were conducted during winter season, 2016-2017 at Central Research Station, OdishaÂ University of Agriculture and Technology, Bhubaneswar to evaluate the bio efficacy of some novel andÂ safer pesticides against fruit borer, Helicoverpa armigera in capsicum. The highest reduction of H. armigeraÂ larval population by 93.55 and 94.59 % was recorded from cyantraniliprole 10.26 OD @ 70 ml a.i./haÂ followed by cyantraniliprole 10.26 OD @ 60 ml a.i. /ha (92.47 and 93.24%), emamectin benzoate 5 SGÂ @ 10 g a.i./ha (91.40 and 91.89 %) and fipronil 5 SC @ 50 ml a.i./ha (90.32 and 90.54 %) in the first andÂ second (4.11.16 and 22.11.16) dates of transplanting, respectively. Among the microbial pesticides, highestÂ reduction of larval population was recorded in Bacillus thuringiensis var. kurstaki @ 1.0 L/ha (81.72 andÂ 83.78 %) followed by Beauveria bassiana @ 2.5 L/ha (75.27 and 78.38 %).
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