Restriction endonuclease patterns of three baculoviruses isolated from species of Heliothis

The DNA of three baculoviruses propagated in larvae of a common host species (Heliothis zea) were easily distinguished from each other by their restriction endonuclease patterns. Molecular weights of 79.7 ± 7.3, 119.6 ± 5.1, and 86.6 ± 6.3 × 10⁶ daltons were estimated for the viral genome of a single-embedded nucleopolyhedrosis virus isolated from Heliothis zea, a multiple-embedded nucleopolyhedrosis virus isolated from Heliothis armigera, and a granulosis virus isolated from Heliothis armigera, respectively.