河曲县曲峪村育苗专业户聂桃生,在1985年秋季起苗时选取根径在1厘米以上的杜梨实生苗3万株,1986年春季应用枝接法进行了试接,成活率达90％以上。在他的精心管理下,当年秋季出80～120厘米的嫁接成苗28000余株。1987年春我在李家沟进行试接,成活率也在80％左右。这种方法比果树常规育苗可提早一年成苗出圃。现将其具体方法简介如下: Hequ County Qu Yucun nursery professionals Nie Tao students in the autumn of 1985, when the seedling selection root diameter more than 1 cm Trichosanthes seedlings 30000, the spring of 1986 branch method was used for trial, the survival rate of 90% the above. In his careful management, when the fall of 80 to 120 cm of seedlings more than 28,000 plants. In the spring of 1987, I experimented in Lijiagou and the survival rate was about 80%. This method than the conventional tree nursery seedlings can be nursed back to bed one year earlier. Now the specific method is as follows: