White Pine Blister Rust in British Columbia I. The Possibilitties of Control by Branch Removal
Author(s) -
R. S. Hunt
Publication year - 1982
Publication title -
the forestry chronicle
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 49
eISSN - 1499-9315
pISSN - 0015-7546
DOI - 10.5558/tfc58136-3
Subject(s) - rust (programming language) , crown (dentistry) , white (mutation) , woody plant , biology , horticulture , botany , medicine , biochemistry , dentistry , computer science , gene , programming language
White pine blister rust (Cronartium ribicola J.C. Fisch. ex Rab.) branch cankers on 12- to 30-year-old western white pines (Pinus monticula Dougl.) in British Columbia were measured for distance from the stem, and cankers on branches and stems were measured for height above ground. Most stem cankers originated from branch cankers within 60 cm of the stem and within 2.5 m of the ground. Trees on slopes tended to have cankers higher into the crown than those on flat sites. Removal of lower branches from young western white pines will greatly reduce the possibility of death from blister rust infection. Treatment recommendations are given for western white pine as a minor or major component of the stand. Keywords: Cronartium; Pinus monticola
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