结果表明：1。不同环境下遗传距离的相关系数与所用的研究性状关系密切。
The results indicates1. The correlation coefficients of genetic distance under different environmental conditions closely relate to the selected characters.
计算各样本间的相似性系数和遗传距离，并采用UPGMA法对遗传距离进行了聚类分析。
Genetic similarities were calculated using simple matching coefficient, and the phenogram was constructed by using UPGMA method. Three cultivars of n.
两个群体间的相似性系数高达0.9187，彼此间的遗传距离仅为0.0848，体现出两个人工选育群体的遗传分化程度较低。
Nei's genetic identity and genetic distance between the two populations were 0.9187 and 0.0848, respectively, which indicated low genetic differentiation between the two populations.
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