泉州市自1998年开始从本省龙岩市农科所和福建农林大学引进脱毒甘薯种薯(苗)进行试种,增产幅度在10%～30%,近几年来推广面积逐年扩大,2002年我市脱毒甘薯种植面积17.3万亩,占全市甘薯种植面积的19.6%,平均亩产鲜薯2143.2kg,比未脱毒增长14%,种植脱毒甘薯增产效果显著,经济效益 Quanzhou since 1998, from Longyan City, Fujian Provincial Agricultural College and Fujian Agriculture and Forestry University introduced sweet potato seedlings (seedlings) for trial planting, the rate of increase of 10% to 30% in recent years to promote the area has expanded each year in 2002, I City detoxification sweet potato planting area of ​​17.3 hectares, accounting for 19.6% of the city’s sweet potato acreage, the average yield of 2143.2kg fresh mu, less than detoxification increased 14%, planting virus-free sweet potato yield a significant effect, economic benefits