Fruit tree pruning should follow: physical and immortal, intangible, chaos, and branches for the shape; overall consideration, long-term planning; balanced tree potential, subordination; light weight, light and heavy combination, flexible control; inhibit strong and weak, Correctly promoted control; reasonable use of light, robust branches. Summarizing fruit tree cultivation practices for more than 20 years, the author believes that the principle of fruit tree pruning can be understood in this way.
Tangible, intangible and intangible. According to the original design and planning, it must be shaped into a certain tree shape. However, it must not be shaped for shaping, but must emphasize the tree shape. At the expense of tree development and early production, it is necessary to build a tree. At the same time, it is not possible to “pity the branch†(reluctant to lose weight). If you want to consider early production, you should go and stay. It is absolutely impossible to destroy the structure of the tree due to minor loss and cause the trouble of shaping later.
When the tree is trimmed and the branches are shaped and trimmed specifically, they must be “adapted to the conditions of the trees.†One tree has a branch of a tree and should be treated specifically. According to the distribution of branches of trees, a reasonable plastic surgery. Those who emphasize work hard should maintain the advantages of Zhonggan; those who "drop" should promptly "drop their heads."
Balanced tree potential, subordinate distinct canopy is a whole, up and down, size, right and left should be balanced and reasonable. If the trunk is sparsely layered, it must be large and small, and the first three main branches must be arranged in a balanced manner; the first layer and the second layer should be reasonably spaced, and not too small or too large. The meaning of subordination is that any extension of the branch is to be long, the middle is the stem, the main branch is the main branch, and the lateral branch is the lateral branch. It must be clearly identified.
The light-weighted, light-weighted pruning of young trees should be light-weighted, light-cut long, and slow-released slow-moving, short cuts. For the branches that affect the tree structure and no space for development, they must be removed promptly; the back branches, leggy branches, disease and insect branches, and branches, cross branches, overlapping branches, round branches, and competing branches must be completely removed.
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