AU - GANGADHAR,NARABENCHI AU - aPuttaswamy, -. ED - Agricultural Entomology . TI - Studies on Nucleopolyhedro virus of Helicoverpa Armigeraz (Hubner) (Lepidoptera : Noctuidae) / U1 - Ag. Entomol. PY - 2004/// CY - BANGALORE : PB - UASB , KW - Helicoverpa Armigera-Nucleopolyhedro virus ER -