Agrotis segetum granulosis virus as a control agent against field populations ofAgrotis ipsilon andA. Segetum [Lep.: Noctuidae] on tobacco, okra, potato and sugar beet in northern pakistan - O. Zethner; Bashir M. Khan; M. Ismail Chaudhry; B. Bolet; Sharfuddin Khan; Habibullah Khan; Hanif Gul; L. Øgaard; M. Zaman; Gul Nawaz (BioControl, 1987)