Apple plastic trimming technology summary
First, the plastic pruning technology of apple saplings 1. Cultivate the backbone branches and rapidly expand the canopy: only fast and long trees can make early results. After drying, combined with germination to promote germination, promote enough branches as soon as possible within 1~2 years to meet the production requirements. According to the requirements of plastic surgery, the backbone branches should be selected, and the backbone branches should be kept as long as possible, and the strong buds should be selected. Pay attention to the orientation of the third bud under the cut, strictly control the competition branches, and generally exclude the competition branches. If you want to use it, you should take the opening angle and the ring to promote its early results. When the canopy basically reaches the required size, the extension of the backbone will not be cut off, and the medium and short branches will be promoted to combine the growth of the tree. It is necessary to prevent the main and the subordinates from being separated, and the auxiliary branches should make way for the backbone branches. Summer pruning, which promotes its results as soon as possible. 2. Light cut and long-term use, make full use of auxiliary branches: In addition to short-cut branches for 1~2 years old saplings, they must be lightly cut, less sparse, and more branches. Generally, only the closely-mixed auxiliary branches are properly removed. The remaining auxiliary branches are not cut, the branches are opened, the backbone branches are given way, and the summer cuts are made. After the results, according to the specific situation Perform timely treatment such as sparse, release, and shrinkage. 3. Pulling the opening angle: According to the tree shape requirements, distinguish the backbone branches and auxiliary branches. The auxiliary branches should be pulled to the horizontal or drooping, and the angle of the backbone branches should be smaller than the auxiliary branches. 4. Cultivate the result branch group: In the process of sapling plastic trimming, the branch group must be cultured well. As a result, there are two methods for culturing the branch group: one is the first release method, and the other is the first method. Second, the apple tree trimming During the fruiting period, the apple tree tends to be moderated, and the management focus should be on underground soil and fertilizer water. On this basis, pruning mainly solves the following three problems: 1. Improve the illumination of the tree: no light and no result, a good tree structure is an effective way to solve the light, as follows: 2. Clear layer: clean the layers, increase the spacing of the layers, and lead the light into the raft. In the growing season, the layers of the layered trees generally need to reach 50 to 60 cm. Specific operations should pay attention to: First, it is necessary to process in stages and in batches. If it can not be processed too much at a time, otherwise the tree body will return to the market. Second, the method of combining shrinkage should be adopted during the treatment. Do not blindly remove it. 3. Open the skylight: that is, happy. Before you fall down, you should prepare for the head. After the angle of the top main branch is basically fixed, when the thickness is larger than the center, the ringing at the center of the main branch is stripped to promote the upper part. Flower, wait for 2-3 years and then go back. 4. Cultivate and rejuvenate the group: The results of the 2 to 3 year old apples have the best performance, and the performance begins to decrease after 4 years of life. Therefore, when updating, pay attention to retaining and cultivating the result branches of 2-3 years. In addition, for some weak results, the branch group should be shrunk in time to regain its growth; for this reason, the branch should be left with buds. 5. Adjust the appropriate proportion of flowering branches: the apple tree pruning in this period should be fine, generally should be carried out with “three sets of branchesâ€; the ratio of flower buds and leaf buds of normal Zhongyong or Zhongyong branches should be maintained 1:3, weak trees 1:4 Strong tree 1:2. This ratio is not necessarily in place at the time of winter shearing, but is also supplemented by summer shears. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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