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Wightman, J A and Anders, M M and Rameshwar Rao, V and Reddy, L M (1995) Management of Helicoverpa armigera (Lepidoptera: Noctuidae) on chickpea in southern India: thresholds and the economics of host plant resistance and insecticide application. Crop Protection, 14 (1). pp. 37-46. ISSN 0261-2194