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Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 7, Issue 1 (2018)

Seasonal abundance and effect on insect pest associate with vegetable pea crop under abiotic factors of U.P.

Author(s): Nitin Kumar, Hem Singh, Lomash Kumar, Visvash Vaibhav, Rahul Singh, Ankit Kumar and Ajay kumar
Abstract: The experiment on seasonal abundance of, six insect-pests were found during the crop season attacking on the crop at different growth stages. Among them, pea pod borer (Etiella zinckenella) and gram pod borer (Helicoverpa armigera) were recorded as major pests. The pea leaf miner (Chromatomyia horticola), pea aphid (Acyrthosiphon pisum), blue butter fly (Lampides boeticus) and stem fly (Ophiomyia phaseoli) were recorded as ‘minor’ pests. The population of pea pod borer was recorded during, first week of December and reached the peak in the first week of March. The pea pod borer population was negatively correlated with maximum temperature and positively correlated with minimum temperature, relative humidity and rain fall. Gram pod borer population was recorded during second week of December and reached to its peaked level in last week of February. Its population showed the significant negative correlation with maximum temperature while positive correlations with minimum temperature, relative humidity and rain fall. The initial incidence of pea leaf miner, pea aphid, and stem fly was observed during last week of November to first week of December and subsequently reaching to while to peak level on first and second week of February.
Pages: 1689-1693  |  335 Views  7 Downloads
How to cite this article:
Nitin Kumar, Hem Singh, Lomash Kumar, Visvash Vaibhav, Rahul Singh, Ankit Kumar and Ajay kumar. Seasonal abundance and effect on insect pest associate with vegetable pea crop under abiotic factors of U.P.. Journal of Pharmacognosy and Phytochemistry. 2018; 7(1): 1689-1693.
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