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在哈密林场开展新疆落叶松两次年度重复地理种源试验。结果表明：种源问生长性状达显著差异水平；种源间主要代表性状随经纬度呈现不连续变异：奇台、和丰和布尔津种源是哈密林区最佳种源．其中奇台种源７年生高生长量超出对照５７．７％；依据种源生长性状１～７ 年生秩次相关分析和年度重复方差分析、证明该试验结果是可靠的。
Laomiao Xinjiang larch forest twice annual geo-provenance experiment. The results showed that the growth traits of provenances were significantly different, and the main representative traits varied discontinuously with latitude and longitude. The provenances of Qitai, Hefeng and Burqin were the best provenances in Hami forest. Among them, the 7-year-old height growth of Qitai provenances exceeded the control by 57.7%. According to the rank-to-place annual correlation analysis of annual growth traits and annual variance analysis, it was proved that the test results were reliable.