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Insect-pests with biotic and abiotic factors play a major role in low production and productivity of black gram in India. The insect-pests like white fly, Bemisia tabaci (Genn.), jassid, Empoasca kerri Pruthi, bihar hairy caterpillar, Spilosoma obliqua Walker and tobacco caterpillar, Spodoptera litura (F.) were recorded as major pests. The high population of 18.50white flies/cage/plant, 36.80jassid/cage/plant, 12.60bihar hairy caterpillar/plant and 10.40tabacco caterpillar/plant were observed during 39th standard week. | Nội dung Text Seasonal incidence of major insect-pests on blackgram Vigna mungo Linn. and its correlation with weather parameters