Abstract
Seedling growth traits of 24 provenances of Larix principis-rupprechtii were analyzed to select superior provenances. Variance and correlation on height, basal diameter, root length, root and stem fresh weight of 1-year old and 2-year old seedlings of those provenances were analyzed. Then correlation coefficients between these growth traits and membership value of height and basal diameter of 24 provenances were carried on. Results showed that variance on growth traits of 1-year old seedlings among 24 provenances were only significant for height, but for basal diameter, height, root and stem fresh weight of 2-year old seedlings. Based on correlation coefficients between growth traits, height and basal diameter were selected for comprehensive evaluation. The top 5 provenances of Larix principis-rupprechtii were Neimeng Balinzuo, Hebei Weichang 1-21, 7-46, 8-75, and Beijing, according to average of membership value of height and basal diameter.
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