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目前，甘薯病毒病发生危害严重，种性退化，产量品质下降，困扰着淮北地区乃至全省甘薯生产的发展。脱毒甘薯的问世推广，为解决防治甘薯病毒病开辟了一条广阔的生产途径。1995年我县从国家甘薯研究中心引进一批“脱毒徐薯18”进行试种示范。为了验证脱毒甘薯在生产中的增产效果
At present, the sweet potato virus disease is seriously endangered, its species degenerated, its yield and quality declining, which plagued the development of sweet potato production in Huaibei region and the province. The introduction of virus-free sweet potato to promote the prevention and treatment of sweet potato virus disease has opened up a vast production channels. In 1995, our county from the National Sweet Potato Research Center to introduce a number of “virus-free Xushu 18” demonstration demonstration. In order to verify the virus-free sweet potato production in the yield effect