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1·It was concluded that these diseases were caused mainly by fungus, or some by virus or wireworm.

草坪病害主要由致病真菌引起，少数由病毒和线虫所致。

2·The microbial inoculum plays an important role in control of wireworm diseases of plant roots and knots, and has wide application prospect.

本发明将在植物根结线虫病害的防治中发挥重要作用，应用前景广阔。