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PRELIMINARY ORCHARD TESTS ON CONTROL OF CODLING MOTH LARVAE BY A GRANULOSIS VIRUS

Published online by Cambridge University Press:  31 May 2012

R. P. Jaques ,
C. R. MacLellan ,
K. H. Sanford ,
M. D. Proverbs  and
E. A. C. Hagley
R. P. Jaques
Affiliation:
Research Station, Agriculture Canada, Harrow, Ontario
C. R. MacLellan
Affiliation:
Research Station, Agriculture Canada, Kentville, Nova Scotia
K. H. Sanford
Affiliation:
Research Station, Agriculture Canada, Kentville, Nova Scotia
M. D. Proverbs
Affiliation:
Research Station, Agriculture Canada, Summerland, British Columbia
E. A. C. Hagley
Affiliation:
Research Station, Agriculture Canada, Vineland Station, Ontario
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Abstract

Apple orchard tests in 1974, 1975, and 1976 showed that applications of granulosis virus reduced deep-entry damage by larvae of the codling moth, Laspeyresia pomonella (L.), to apple fruit at harvest by 55 to 96% compared with damage to fruit on nontreated check trees. Sting or shallow-entry injury was usually higher on virus-sprayed trees than on check trees presumably because larvae were killed by the virus soon after entry into the apple.

Type
Articles
Information
The Canadian Entomologist , Volume 109 , Issue 8 , August 1977 , pp. 1079 - 1081
Copyright
Copyright © Entomological Society of Canada 1977

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References

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