期刊
JOURNAL OF ECONOMIC ENTOMOLOGY
卷 95, 期 2, 页码 243-249出版社
OXFORD UNIV PRESS INC
DOI: 10.1603/0022-0493-95.2.243
关键词
Helicoverpa zea; Spodoptera exigua; viruses; ultraviolet radiation
类别
Laboratory studies were initiated to determine the relationship between virus. concentration and radiation-caused inactivation of NPVs from Helicoverpa zea (HzSNPV) and Spodoptera exigua (SeMNPV). In the laboratory, a UV-B/UV-A system was used for inactivation studies. For both viruses inactivation was dependent upon both length of UV exposure and virus concentration. At all virus concentrations HzSNPV was more sensitive to UV than SeMNPV: In the field HzSNPV was used and virus persistence was significantly affected by virus concentration (i.e., inactivation was inversely related to virus concentration).
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