Plutella xylostella, NPV, Electron Microscopy, Symptomatology.
Abstract
The occurrence of granulosis virus in Plutella xylostella was first recorded in Japan (Asayama and Osaki, 1970). Though, Nagarkatti and Jayanth (1982) collected two diseased larvae infected with nuclear polyhedrosis virus from Bangalore. no further work was on record regarding this virus in the country. In March. 1987, diseased larvae of diamond back moth were found in a cabbage field at Sriramapura village near Bangalore and on examination, the infected individuals revealed the presence of nuclear polyhedral inclusion bodies (PIB) and further detailed investigations were undertaken.