论文部分内容阅读
一、休眠期的修剪1、截干。对干茎或粗大的主枝,骨干枝等进行截断的措施称为截干。这种方法有促使树木更新复壮的作用。在培育次生萌芽林以及对树木施行去顶的“头状作业”时均采用本法。在截除粗大的侧生枝干时,应先用锯在粗枝基部的下方,由下向上锯人1/3-2/5,然后再自上方在基部略前方处从上向下锯下,如此可以避免劈裂。最后再用利刃将伤口自枝条基部切削平滑,并涂上护伤剂以免病虫侵害和水分的蒸腾。伤口削平滑的措施会有利于愈伤组织的发展,有利于伤口的愈合。护伤剂可以甩接蜡、白涂剂、
First, the dormant pruning 1, cut off. Truncated stems or thick truncated branches, trunk trunks, etc. are called truncated stems. This method has the effect of promoting the renewal and rejuvenation of trees. This Law is used when cultivating secondary germination forests and de-topping trees. When cutting off the large lateral branches, it should be sawed at the bottom of the branch, sawing 1 / 3-2 / 5 from bottom to top, then sawing from top to bottom slightly above the base from above, This can avoid splitting. Finally, use a sharp knife to cut the wound from the base of the smooth cuticle and apply a protective agent to prevent insect pests and water transpiration. Wound smoothing measures will be conducive to the development of callus, is conducive to wound healing. Protective agent can be thrown wax, white paint,