论文部分内容阅读
园冠榆树形美观,适于造园、绿化.一般用嫁接繁殖,芽接更普遍,技术简便、成活率高,并能保持母本优良性状.我队自一九五九年以来,试用芽接繁殖,初步掌握一些经验,介绍于下.1.嫁接前的准备:先确定嫁接区,定植砧木,株行距各1米.精细管理1—2年,每六、七月间追肥、修剪,促进生育.嫁接前清除砧木周围杂草,彻底整修砧木,并深灌一次,促使树木离骨,以提高嫁接成活率.
Crown elm beautiful, suitable for gardening, afforestation. Generally used grafting, budding more common, simple technology, high survival rate, and to maintain the excellent female parent traits .1995 team since my trial breeding , Preliminary grasp of some of the experience, introduced in the next .1. Preparation before grafting: First determine the grafting area, planting rootstocks, spacing of 1 meter each line. Fine management 1-2 years, every six or July, fertilizer, pruning and promote fertility Before grafting, remove the weeds around the rootstocks, thoroughly rehabilitate the rootstocks, and deeply irrigate them once again to promote the survival of the trees.