At present, the stemrot disease of Crocus sativus has become a serious disease for its damage.
目前，藏红花球茎腐烂病造成了较大的危害，成为种植方面的首要病害。
2
PGPR microbial agent also has obvious biocontrol effect and decreased the infection ratio of stemrot caused by S. sclerotiorum.
油菜PGPR菌剂具有明显的生防效果，能降低油菜菌核病的发病率；
3
The experimentation takes sweet potato stemrot for example, using split plot design for exploring the implication effect of nitrogen adjuvant in south china tropic areas.