套袋对银杏绿枝嫁接成活率的影响银杏绿枝嫁接（劈接）成活率较低，针对这一问题，笔者于１９９３年７月初对银杏绿枝嫁接进行套袋试验，取得了显著效果，现简介如下：供试砧木为银杏实生苗（３年生），接穗品种为大马铃。于１９９３年７月５日剪取当年生已木质化的枝条截... The effect of bagging on the survival rate of grafted ginkgo green branches The survival rate of grafted ginkgo green branches is relatively low. In response to this problem, the author conducted a bagging test on grafted ginkgo green branches in early July 1993 and achieved remarkable results. The brief introduction is as follows: The test rootstocks are ginkgo seedlings (3-year-old), scion varieties are big bell. In July 5, 1993 cut the year lignified branches cut ...