Strain of gypsy moth virus with enhanced polyhedra and budded virus production

摘要

An isolate of the gypsy moth virus Lymantria dispar nuclear polyhedrosis virus (LdNPV) that is characterized by enhanced polyhedra production, enhanced budded virus production, and stable polyhedra production during serial passage in cell culture is disclosed. The isolate, designated LdNPV 122b, has been deposited at the American Tissue Culture Collection and has been assigned number ATCC VR2577. Also disclosed is a viral insecticide having an insecticidally effective amount of polyhedra produced in cell culture. A method for protecting plants from insects against which LdNPV is toxic is disclosed.