Filters: Tags: Forest disease (X)
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Armillaria root disease is common and widely distributed in campgrounds of southwestern Colorado. Armillaria ostoyae spreads clonally underground and kills and decays tree roots, causing mortality or predisposing the trees to windthrow. We intensively surveyed and mapped genets (clones) of the pathogen in two campgrounds on the San Juan National Forest and one on Grand Mesa National Forest (GMNF). Three additional campgrounds on the GMNF were also surveyed. Infection (based on mycelium under the bark on or near the root collar) of all sampled live trees was 10.5% (range 7.5–15.0) inside campgrounds and 12.7% (3.3–25.9) immediately outside campgrounds, suggesting that campground construction and management practices...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Forest Ecology and Management,
Forest disease,
Hazard trees,
Mixed conifer,
Recreation,
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