对内地引进的 5个脱毒马铃薯原原种 ,与当地品种进行了两年品种比较试验 ,通过方差分析 ,品种间差异达到了显著水平。以新米拉、凉薯 97产量最高 ,每 667m2 平均 4 10 0kg ,3662 5kg ,分别比对照增产 70 %和 51 9%。通过观察 ,新米拉、凉薯 97中抗晚疫病 ,综合性状良好。 Five varieties of virus-free raw potato introduced from the Mainland were compared with the local varieties for two years. By means of analysis of variance, the differences among varieties reached a significant level. The yield of New Mira and Sweet Potato 97 was the highest, which was 4 10 0kg and 3662 5kg per 667m 2, respectively, which increased 70% and 51 9% respectively compared with the control. Through observation, new rice, sweet potatoes 97 resistant to late blight, good comprehensive character.