First, pay attention to the characteristics of varieties. Because of the different varieties of apples, their sprouting power and branching force are also different. For the varieties with strong sprouting and branching ability, the crowns are easy to be deterred. In the winter pruning, the amount of pruning should be appropriately increased, and more sparse cuts should be taken to improve the lighting conditions. On the other hand, if the germination or branching ability is weak, the amount of pruning should be treated lightly and thrown properly. As long as the tree vigor is strong and the flower buds are adequate, it is necessary to leave more flower buds and make the tree a reasonable burden.
Second, pay attention to the strength of the tree. The pruning of apple trees, saplings and strong trees of the same species and the same age should be light and slow, so as to promote the formation of flower buds and increase the amount of results; while for old and weak trees, they must be cut mainly, and short Cut off new branches, so that it can restore the tree potential as soon as possible; but for older trees, older trees, we must trim by means of retraction. When cutting, it is necessary to use various technical means, focusing on cultivating sticks and consolidating sticks.
Third, pay attention to flower buds. In the premise of accurately distinguishing flower buds, for the apple trees with many flower buds, the flower blossoms should be trimmed and the top flower buds should be reserved. For buds with stringy flower buds, 2-3 buds should be reserved, and the proportion of flower buds and buds should be adjusted. For 1:3-5, for young trees with fewer flower buds, flower buds should be left as much as possible, and for fruit trees without flower buds, they should be properly recut and updated to lay a foundation for next year's results.
Fourth, pay attention to pruning reaction. Before recutting, carefully observe the trimming response in the first year to determine the degree of trimming and shearing in the year. First of all, it is necessary to clarify the role of assisting and promoting the backbone branches, while the auxiliary branches are controlled and utilized. Then, those branches need to be updated and rejuvenated, and those need to continue to be cultivated. If you don't see the branch, you will start with it. Otherwise, the tree posture that has just eased will be rejuvenated or leggy, delaying the normal result period.
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