Spraying nematocide or reducing population density and keeping the environment clean could protect L edodes from harmness.
用杀线虫剂杀灭线虫或降低虫口密度，管理上注意搞好环境卫生均可起到预防线虫危害的作用。
2
The invention relates to a tea saponin nematocide granule and a method for preparing the same, which belongs to the field of plant source biological pesticides.