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PATHOGENICITY OF A GRANULOVIRUS TOWARDS CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

Published online by Cambridge University Press:  31 May 2012

André J. Forté ,
Claude Guertin  and
Jean Cabana
André J. Forté
Affiliation:
INRS-Institut Armand-Frappier, Laval, Québec, Canada H7V 1B7
Claude Guertin*
Affiliation:
INRS-Institut Armand-Frappier, Laval, Québec, Canada H7V 1B7
Jean Cabana
Affiliation:
Ministère des ressources naturelles, Direction de la recherche forestière, Sainte-Foy, Québec, Canada G1P 3W8
*
1Author to whom all correspondence should be addressed.
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Extract

The spruce budworm Choristoneura fumiferana (Clem.) is the most damaging insect of the balsam fir Abies balsema (L.) Mill. (Pinaceae) and the white spruce Picea glauca (Moench) Voss (Pinaceae) throughout eastern North America. In outbreak conditions, close to 100% tree mortality can occur in untreated mature fir stands (MacLean 1980). Bacillus thuringiensis var. kurstaki (Bacillaceae) is currently used to reduce spruce budworm damage (Van Frankenhuyzen and Payne 1993). Other possible biological control agents, such as baculoviruses, are also investigated to complement the use of B. thuringiensis. Baculoviruses are advantageous because they occur naturally in several insect species and are generally host specific (Federici 1993).

Type
Articles
Information
The Canadian Entomologist , Volume 131 , Issue 6 , December 1999 , pp. 725 - 727
Copyright
Copyright © Entomological Society of Canada 1999

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