菌根

The two major groups of mycorrhizal fungi are the ectotrophic and endotrophic types.

主要的有两种：内生型和外生型。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝丝延伸生长部位是丝尖端，其生长的向地性是对地心引的感应，感应的敏感部位也在生长丝的尖端。

Only one herbicide, isopropylamine salt of N-Phosphonomethyl glycine proved significantly to depress the colonization of Ageratum houstonianum, a dominant weed species in the experiment field.

本试验证实杀春对于紫花藿香蓟有显著抑制感染率的效果。