双重培养试验表明，该哈茨木霉菌对黄瓜立枯病菌存在竞争和寄生作用；

The test of dual culture indicated that there were competitive and mycoparasitic behavior by T. harzianum on R. solani.

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对黄芪根腐病菌和西洋参立枯病菌的田间防治效果分别达到80 %和6 0 %。

And controling effects on root rot of Astragalus membranaceus and seedling damping-off of Panax quinquefolium were 80% and 60% respectively in the field.

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