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2015年新发现的甘薯茎腐病是进境检疫性病害,该病是甘薯生产上为害最严重、危险性最大的新病害,在台州已有3个县(市、区)发生为害,一般发病田块平均病株率10%~20%。为有效控制甘薯茎腐病传播扩散,本文介绍了甘薯茎腐病的发生分布情况,描述了病害各生育期症状和为害特点,提出了加强植物检疫、与非寄主作物轮作、培育无病种苗、适增磷钾肥、防积水以及化学农药浸种和喷雾预防等综合防控措施。
The newly discovered sweet potato stalk rot in 2015 is an entry quarantine disease which is the most serious and dangerous new disease in the production of sweet potato. It has been harmed in three counties (cities and districts) of Taizhou and has generally occurred Field average strain rate of 10% to 20%. In order to effectively control the spread and spread of sweet potato stalk rot, this paper introduced the occurrence and distribution of sweet potato stalk rot, described the symptoms and damage characteristics in different growing stages of the disease, and proposed the measures of strengthening plant quarantine, rotating with non-host crops, , Appropriate phosphorus and potassium fertilizer, anti-stagnant water and chemical pesticide soaking and spray prevention and other comprehensive prevention and control measures.