The effect of Armillaria attack on the nutrient status of Inland Douglas-fir
EUROPEAN JOURNAL OF FOREST PATHOLOGY(1990)
摘要
Nutrient status, sapwood basal area (SBA) and sapwood to heartwood basal area (S/H) were measured on second growth Pseudotsuga menztesn trees in western Montana. Armillaria ‐infected trees had significantly lower S/H ratios, growth, and foliar N and S concentrations than noninfected trees. Our results indicate a general influence of Armillaria infection on nutrient content and physiological status of P. menziesü trees. However, these measurements are not a reliable method to determine the extent of infection.
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关键词
plant physiology,increment,growth,plant pathology,woody plants
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