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- Title
Armillaria species distribution and site relationships in Pinus- and Tsuga-dominated forests in Massachusetts.
- Authors
Brazee, Nicholas J.; Wick, Robert L.
- Abstract
The primary objective of this study was to determine the composition of species in northeastern North American - and -dominated forests. This was accomplished by sampling 32 plots at eight sites within pitch pine ( Mill.), eastern white pine ( L.), eastern white pine - mixed oak, and eastern hemlock ( (L.) Carr.) forests. In total, 320 isolates were collected from 19 host tree species, with 207 of 320 (65%) of all isolations coming from Pinus and Tsuga. Peck was the most abundant species, making up 188 of 320 (59%) of all isolations, which included 39 isolations from hardwoods. Meanwhile, (Vahl) P. Kumm. was collected a total of 27 times from eastern white and pitch pine. These two Armillaria species co-occurred at five of the eight sites sampled. Chi-square analyses showed that incidence of Armillaria species were significantly different by forest type. Pitch pine forests had a higher incidence of A. solidipes ( p < 0.001), eastern white pine forests had a higher incidence of A. mellea ( p = 0.001), and eastern hemlock forests had a higher incidence of Marxm. & Romagn. ( p = 0.002) compared with expected values. The distribution of A. solidipes varied significantly by soil drainage and soil type, with a higher incidence on excessively drained ( p < 0.001) and loamy sand ( p < 0.001) soils.
- Subjects
MASSACHUSETTS; ARMILLARIA; SPECIES distribution; FORESTRY research; PINE; TSUGA; STATISTICAL sampling
- Publication
Canadian Journal of Forest Research, 2011, Vol 41, Issue 7, p1477
- ISSN
0045-5067
- Publication type
Article
- DOI
10.1139/x11-076