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Genetic variation of wood properties in balsam poplar (Populus balsamifera L.)
Genetic variation in wood properties among and within three provenances of balsam poplar was investigated. Between 1982 and 1984, clonal populations were sampled along the Longitude 9QOW in North Wisconsin (Lat. 45°N ...
Genecology of jack pine in north central Ontario
To understand the pattern of adaptive variation of jack pine in north central Ontario better, short-term provenance tests were established. Seed was collected from 64 sites to the east and west of Lake Nipigon and grown ...