Ecology, Environment and Conservation Paper

Vol 23, Issue 3, 2017; Page No.(1494-1497)

EFFICACY OF DIFFERENT INSECTICIDES WITH NAA AND UREA IN SPRAY MIXTURE ON CHICKPEA INFESTING HELICOVERPA ARMIGERA (HUBNER)

Jagdish S. Baraskar, Chetan M. Bondre, A.K. Bhowmick and A.K. Panday

Abstract

Present investigation was aimed to Study on efficacy of different insecticides with NAA and Urea in spray mixture on chickpea infesting Helicoverpa armigera (Hubner). carried out in the experimental field of Department of plant breeding, livestock Farm, Adhartal, JNKVV, Jabalpur (M.P.). In the field study on efficacy of different insecticides with plant growth regulators and one chemical check were tested against Helicoverpa armigera larvae in the field. All the insecticidal treatments proved to be effective in reducing overall larval population, chlorantraniliprole performed best recording lowest population (0.61 larva/mrl), followed by NAA + Chlorantraniliprole, Flubendiamide, Emamectin benzoate, NAA + Indoxacarb, Indoxacarb, NAA + Flubendiamide, NAA + Profenophos, NAA + Emamectin benzoate and Profenophos (0.69, 0.72, 0.81, 0.87, 0.88, 0.92, 0.93, 0.96 and 0.97 larva/mrl) respectively. Where as NAA + Urea treated plots recorded higher larval population i.e. (2.42 larvae/mrl). chlorantraniliprole recorded minimum (0.90 %) pod damage followed by NAA + Chlorantraniliprole, Flubendiamide, Emamectin benzoate, Indoxacarb, NAA + Flubendiamide and NAA + Indoxacarb. (1.57, 1.68, 1.70, 1.75, 1.98 and 2.78) % pod damage and they were at par with each other. NAA + Emamectin benzoate, NAA + Profenophos and Profenophos recorded slightly higher pod damage having 3.13, 3.50 and 3.86 per cent, respectively and they were at par with each other, where as NAA + Urea recorded higher pod damage (6.81 %), and the untreated control recorded significantly highest pod damage (12.21%). Chlorantraniliprole recorded maximum grain yield (2453.33 kg/ha) and it was at par with the NAA + chlorantraniliprole, Flubendiamide, Emamectin benzoate, Indoxacarb, NAA + Flubendiamide and NAA + Indoxacarb 2333.33, 2273.33, 2173.33, 2166.66, 2120.00 and 2093.33 kg/ha yield, respectively.

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