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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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.

youdao