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Differences in susceptibility to a granulosis virus between field populations of the potato moth phthorimaea operculella lepidoptera gelechiidae


Bulletin of Entomological Research 71(1): 11-18
Differences in susceptibility to a granulosis virus between field populations of the potato moth phthorimaea operculella lepidoptera gelechiidae
A laboratory bioassay technique was used to compare the susceptibility to a granulosis virus of 16 field populations of P. operculella (Zell.) in Australia. A difference of 11.6 times was found between the most and least susceptible population, while a laboratory strain was > 30 times as resistant as some field populations. This variability might reflect the past history of exposure of different populations to the virus, which appears endemic. The implications for the use of this virus as a microbial control agent are discussed.


Accession: 005151015



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