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Effect of abiotic factors on the populations of pod borer, Helicoverpa armigera (Hubner) on marigold, Tagetes erecta in Jammu, India

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The results of the investigation on population dynamics of pod borer (Helicoverpa armigera Hubner) in relation to abiotic factors revealed that the pest commenced from 7th standard week, which remained till 18th standard week with its peak activity during 15th standard week.

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Nội dung Text: Effect of abiotic factors on the populations of pod borer, Helicoverpa armigera (Hubner) on marigold, Tagetes erecta in Jammu, India

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