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１９９５年在敦化林业局石门子苗圃进行长白落叶松半同胞子代苗期测定，其结果是：不同家系苗高差异较为显著，且平均大于对照２５％。遗传力为２９．６％，遗传增益为１０．５％，从而为高世代种子园提供了物质基础。
1995 in Dunhua Forestry Bureau Shimen nursery Larix olgensis half sibling seedling stage determination, the result is: different family height difference is more significant, and the average is greater than 25% of the control. Heritability was 29.6% and genetic gain was 10.5%, which provided the material basis for the high-generation seed orchard.