目前，杨木板材生物变色已给木材加工业造成了巨大的损失，研究杨木变色菌及其生物防治具有很现实的经济意义。

Currently, sapstain of poplar wood has caused tremendous losses in the wood processing industry, biological control of poplar sapstain fungi is studied to be very real economic significance.

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为有效防止霉菌和变色菌的侵害，采用TBQ木材防腐剂对其进行防霉、防变色处理试验。

Since Mongolian Scotch Pine is easily infected by mold and sapstain fungi, a preservative, TBQ, was prepared following development of the treating equipment by the authors.

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