结果：伪品薄叶润楠可见横向皮孔多突起，油痕不明显。

RESULTS:False Houpurunnan have transverse skin holes and no oil trace was found.

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其中，长脊冠网蝽对滇润楠的危害率及危害指数最高，白脉病次之。

The maxims of damage rate and damage index were caused by Stephantitis svenson, and the second by white vein disease.

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采用典型调查与线路调查相结合的方法，对茫荡山自然保护区黄枝润楠群落的植物区系进行调查分析。

The floristic characteristics of Machilus versicolora community in Mangdangshan Nature Reserve in northern Fujian were studied with the methods of typical investigation and routine survey.

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