A study was conducted on 22 crosses from 10 varieties including mira variety to evaluate 7 main characters of plant in the first clonal year potato crops. The results indicated additive genetic effects of parents for late blight were 90.6? %.

• 通过对mira等10个马铃薯品种的22个杂交组合无性一代的植株生长势等7个植株性状的群体遗传参数和配合力效应的研究,结果表明:晚疫病抗性的亲本加性遗传效应达90 6%25;