党参为我国常用滋补性中药材和传统外贸商品,各地在引种栽培中,常因根腐病(俗称烂根)危害而影响产量和药用质量,因此找出病害原因进行科学有效的防治,是药材种植户需要解决的问题。现将党参根腐病及其防治方法介绍如下:党参根腐病主要为病菌侵染所致,初期侵染源为土壤和病残组织中越冬的子囊孢子。选地不当,排水不良,地块洼涝积水及地下害虫咬食根部时尤易发生。一般开始于 Codonopsis as commonly used in our country nourishing traditional Chinese medicine and traditional foreign trade products, around the introduction of cultivation, often due to root rot (commonly known as rotten roots) affect the yield and quality of medicinal, so find out the cause of the disease for scientific and effective prevention and treatment is Herbal growers need to solve the problem. Codonopsis now is the root rot and its prevention and treatment are as follows: Codonopsis root rot is mainly caused by pathogen infection, the initial source of infection in the soil and sick tissue overwintering ascospores. Improper selection, poor drainage, block water buildup and underground pests bite when the root particularly prone. Generally begins