NUCLEOPOLYHEDROSIS VIRUS OF HELIOTHIS - QUANTITATIVE IN VIVO ESTIMATES OF VIRULENCE

被引:44
作者
ALLEN, GE
IGNOFFO, CM
机构
[1] College of Natural Sciences, Florida Technological University, Orlando
[2] International Minerals and Chemical Corporation, Growth Sciences Center, Libertyville
关键词
D O I
10.1016/0022-2011(69)90189-X
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The ld50 inclusion-body nucleopolyhedrosis virus dose for 8-day-old Heliothis zea larvae was 250 times that of 3-day-old larvae. Less than a twofold difference was obtained when the dose was calculated as the number of inclusion bodies per milligram of body weight. An estimated 370-690 virions or 3.7-6.9 × 10-2 picograms (pg) of DNA per milligram of body weight were required to attain an ld50 level. © 1969.
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页码:378 / &
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