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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2018, Vol. 6, Issue 3
Seasonal incidence of major pod borers Etiella zinckenella (Treitschke) and Helicoverpa armigera (Hubner) of vegetable pea in relation with abiotic factors

Visvash Vaibhav, Gaje Singh, Rajat Deshwal, Nand Kishor Maurya and Vishvendra

Field experiment was carried out to study the seasonal incidence of major pod borers (Etiella zinckenella Treitschke and Helicoverpa armigera Hubner) on vegetable pea and its relation with abiotic factors under natural conditions at the old campus, SVP University of agriculture and technology, Meerut (U.P.). During the observation the population of E. zinckenella larval reached its peak (12.66 larvae/10 plants) in the all control plots on 26th February (8th standard weeks) when the maximum and minimum temperature 22.07°C and 12.55°C, respectively, relative humidity 81.07% and rainfall 11.72 mm was recorded. The larval population of E. zinckenella showed negative correlation with maximum temperature (r= -0.007) while positively correlated with minimum temperature (r= 0.378) and the correlation between larval population and relative humidity was found positive (r= 0.313) and also positive with rainfall (r= 0.393). The observation on the population of H. armigera larval reached its peak (10.33 larvae/10 plants) in all control plots on 26th February (8th standard weeks) when the maximum and minimum temperature 22.07°C and 12.55°C, respectively, relative humidity 81.07% and rainfall 11.72 mm was recorded. The larval population of H. armigera showed negative correlation with maximum temperature (r= -0.034) while minimum temperature (r= 0.364), relative humidity (r= 0.351) and rainfall (r= 0.384) were positively correlated during crop season i.e. Rabi 2014-15.
Pages : 1642-1644 | 1001 Views | 389 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Visvash Vaibhav, Gaje Singh, Rajat Deshwal, Nand Kishor Maurya, Vishvendra. Seasonal incidence of major pod borers Etiella zinckenella (Treitschke) and Helicoverpa armigera (Hubner) of vegetable pea in relation with abiotic factors. J Entomol Zool Stud 2018;6(3):1642-1644.

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