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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2019, Vol. 7, Issue 2
Optimization of pheromone trap densities and impact of insecticides on pheromone catches for mass trapping Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) in chickpea

Madhu TN, Shah VK, Prabhulinga T, Chakravarthy AK and Ashok Kumar CT

Chickpea pod borer, Helicoverpa armigera is an economically important insect pest. The trialswere performed at four locations using with 10, 20, 30 and 40 sex pheromone funnel traps/acre during 2012-13 and 2013-14. The moth catches were higher in the locations with a trap density of 20/acre (12.93±4.05 and 13.82±5.0) and least percent pod infestation at such locations compared to other treatments. Peak activity of moths was recorded in the third standard meteorological week. Four insecticides,i.e.,indoxacarb, chlorantraniliprole, novaluron and quinalphos were evaluated to determine their efficacy with pheromone traps. Among the treatments, fields treated with chlorantraniliprole and positioned 20 pheromone traps recorded least moth catches (0.15 to 0.25/trap) as well as percent pod infestation, followed by indoxacarb and novaluron. The present study observedthat 20 traps/acre was the optimum trap density required to ensure maximum catches and integration of chlorantraniliprole+20 pheromone traps/acre proved considerably effective against H. armigera.
Pages : 78-84 | 121 Views | 21 Downloads
How to cite this article:
Madhu TN, Shah VK, Prabhulinga T, Chakravarthy AK and Ashok Kumar CT. Optimization of pheromone trap densities and impact of insecticides on pheromone catches for mass trapping Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) in chickpea. 2019; 7(2): 78-84.
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