甘薯脱毒高产栽培技术甘薯是我国主要粮食作物之一，在人民生活中起着重要作用。传统的甘薯生产是通过秧蔓、薯块进行无性繁殖，易造成各种病毒在甘薯体内的逐年积累。使植株出现花叶、卷叶、秧少、结薯少、薯块小、表皮龟裂等症状，有的品种田间病株率达到８０％，采用药... Sweet potato detoxification and high yielding cultivation techniques Sweet potato is one of the main food crops in our country and plays an important role in people’s life. The traditional production of sweet potato through seedlings, tubers cloned, easy to cause a variety of viruses in the body of sweet potato year by year. Plants appear mosaic, curly leaf, seedling less, less tuber, small tubers, epidermal cracking and other symptoms, and some varieties of field disease rate of 80%, the use of medicine ...