甘薯茎线虫病又称糠心病、糠裂皮、空梆等,由植物寄生线虫引起,是甘薯生产上危险性病害之一。近年来,该病在本地严重发生。田间重病株薯块全部腐烂,病重地块直接减产50—80%。带虫薯块还引起贮藏期严重烂窖,损失难以估量!笔者在多年实践中,采用一系列防治措施,取得了良好的效果。现综述如下。一、加大宣传力度,严防病窨传播蔓延,保护无病地。甘薯茎线虫病可以通过土壤、粪肥、流水等传播,但以带线虫种薯、秧苗的传播最为重要。事实上,由于农民对该病认识不够,通过带虫薯秧在亲戚邻里之间 Sweet potato stem nematode disease, also known as chai heart disease, bran crack skin, empty pomfret and other plants caused by parasitic nematodes, sweet potato production is one of the dangerous diseases. In recent years, the disease has occurred locally. Field sick potato tuber completely rotten, severely damaged land directly yield 50-80%. With the potato block also caused serious storage period of the bad cellar, the loss is difficult to measure! The author in many years of practice, using a series of control measures and achieved good results. Are summarized below. First, increase propaganda efforts to prevent spread of disease and disease spread, to protect disease-free. Sweet potato stem nematode disease can be transmitted through soils, manure, water and so on, but with nematodes seedlings, the spread of seedlings is most important. In fact, due to lack of awareness of the disease farmers, by living with insect-seedlings in the vicinity of relatives and neighbors