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Genetic Variation Among Lake States Balsam Poplar Populations Is Associated with Geographic Origin

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Variation among populations of balsam poplar from Minnesota, Wisconsin, and Michigan (the Lake States) in tree height, phenology, and sylleptic branching was associated with geographic origin based on bivariate correlation, canonical correlation, principal component, and cluster analyses. Ninety percent of the joint variation in five traits was explained by two principal components, the first associated with late season growth and tree height, the second associated with number of sylleptic branches. Populations were delineated into northwestern, central, and southeastern clusters based on principal component one and two coordinates using Ward's minimum variance method. Populations from the south-eastern cluster grew taller, produced more late season leaves, and set bud later than populations from the northwestern and central dusters. FOR. SCI. 39(1):130-136.

Keywords: Populus balsamifera; cluster analysis; phenology; principal component analysis; sylleptic branching

Document Type: Journal Article

Affiliations: Formerly Biological Technician, USDA Forest Service, North Central Forest Experiment Station, Rhinelander, WI (current address is Department of Forestry, Iowa State University, Ames, IA 50100)

Publication date: February 1, 1993

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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