Abstract
Analysis of relevant data for the last 11 years improved the precision of zoning for white pine vulnerability to blister rust in Quebec. The validity of the existing approach for the area under study was confirmed. White pine located in zones 1 and 2 usually indicated less than 15% stem infections by the blister rust. Distribution of the white pine weevil damage in the zones is presented. Key words: Pinus strobus L., Cronartium ribicola J.C. Fisher, Pissodes strobi Peck, blister rust vulnerability.
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