同时种群之间的遗传分化与地理距离呈一定的相关性。

The results indicated that there was a positive relationship between genetic differentiation and geographic distance.

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迁飞阻碍了不同地理种群间的遗传分化。

The migration could hamper more genetic differentiation among different geographic populations.

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研究结果还提示松干锈菌的遗传分化主要同寄主有关，而与地理分布关系不大。

Evidences were also obtained that host adaptation, rather than geographic factors, is the primary force to drive genetic differentiation of the pine stem rust fungi.

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