大豆胞囊线虫感病土中，该菌3周后开始大量增殖。

In the soils which were sensihve to soybean cyst nematode, The strain multiplied greatly in the 3rd week.

youdao

保留作物残体的精耕栽培制度可使土壤变为对病害有抑制作用的抑病土。

Under intensive cropping with retention of crop residue management regimes, soils can become suppressive to Rhizoctonia root rot.

youdao

图五、孢菌病土接种后一个半月，台湾木贼茎腐病之病徵。左：未接种，右：接种。

Fig. 5. Symptom of stem blight of horse-tail45 days after inoculated with infested soil of Fusarium oxysporum. Left: uninoculated, right: inoculated.

youdao