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近十多年来,我省甘薯生产,由于薯苗调运频繁,检疫措施没跟上,致使新的危险性病害传播,老的不引为注目的病害回升。尽管采取了某些防治措施,一些病害仍然不断扩散蔓延,严重威胁部分主产区的甘薯增产。甘薯瘟病自一九七一年传入福鼎县以来,现已流传到30多个县市,造成严重死苗烂薯,一般受害损失30～50％,重者甚至全田绝收。甘薯丛枝病一九七一年在同安县暴发成灾,目前全省各地均有不同程度发生;尤其闽南薯区,一般株发病率3～10％,严重病田达80％以上。甘薯蔓割病一九七三年在平潭县部分社队发生,现已蔓延全省,早发病田受害损失达50～70％。甘
In the past ten years or so, sweet potato production in our province has not been able to keep up with the quarantine measures due to the frequent deployment of potato seedlings, resulting in the spread of new dangerous diseases. Despite some control measures, some diseases continue to spread and spread, which seriously threatens the increase of sweet potato yield in some main producing areas. Since its introduction into Fuding County in 1971, sweet potato blast has now spread to more than 30 counties and cities, causing serious dead seedlings and rotten potatoes, with the loss of 30-50% of the total losses. Sweet potato broom disease in Tongan County in 1971, the outbreak of the disaster, the present throughout the province have varying degrees of occurrence; especially Minnan potato area, the general strain incidence of 3 to 10%, severe disease reached 80%. Sweet potato tuberculosis in 1973 in Pingtan County, part of the commits and have occurred, has now spread throughout the province, early onset of damage caused by 50% to 70%. sweet