论文部分内容阅读
苹果树的大敌是腐烂病的危害。利用桥接挽救得病树,具有恢复树势、延长寿命、连续收益的作用。但是桥接成活率低是目前桥接中最大的问题,一般情况下成活率仅40%。我们通过4年的摸索试验,找到了一种提高桥接成活率的好方法,成活率可达90%以上。一、材料的准备 1、接条:冬剪时,选长40厘米以上、粗度在0. 5厘米以上充实健壮的一年生枝条
The enemy of the apple tree is the danger of decay. The use of bridges to save the diseased tree has the effect of recovering tree vigor, prolonging life expectancy, and continuing profitability. However, the low bridging survival rate is the biggest issue in bridging currently, and the survival rate is only 40% under normal circumstances. Through 4 years of groping experiment, we found a good way to improve the bridge survival rate, the survival rate of up to 90%. First, the preparation of the material 1, the connection: winter shear, the election length of 40 cm or more, the thickness of more than 0.5 cm robust robust annual branches