Preliminary studies on the biology of Greasy cutworm Agrotis ypsilon Rott and its susceptibility to Granulosis Virus of A. segetum D&S from Denmark
Preliminary studies on the biology of Greasy cutworm Agrotis ypsilon Rott and its susceptibility to Granulosis Virus of A. segetum D&S from Denmark
M. Ismail Chaudhry, Bashir Hussain Shah and Hanif Gul
ABSTRACT
Studies on the biology of A. ypsilon Rott. were conductedin laboratory at Peshawar. The first generation starting with moths caught at light in early April completed in May. The subsequent 3 generations completed in June, Augeust and September and the last hibernated during winter. The average duration of pre-oviposition, incubation, larvae and pupae were 2.3, 3.95, 3.6, 22.16, and 10.54 days, respectively. In usceptibility test of A. ypsilon and A. segetum to G. V. from Denmark conducted in laboratory, 100% mortality of both species was observed due to virus infection while 62% and 63% larvae of A. segetum and A. ypsilon. Pupated successfully in check treatment.
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June 1976
Vol. 26, Iss. 2
