1. Set too high or too low. The height of the fruit tree is usually about 1 meter. If it is higher than 1.2 meters, it should be re-dried. Firstly, the lower part of the bare part is subjected to ring-shaped buds to promote its branching, so as to re-dry it; the fruit tree that has been dried too low is subjected to retraction, ring stripping, ring engraving, etc. to control its growth, and it is controlled year by year. Remove all branches and not remove all branches at once.
2. Let the growth grow. Due to the laissez-faire growth of fruit trees, the main stem is unknown, the main and the subordinates are not divided, the tree body is closed, the ventilation and light transmission are poor, the result period is delayed, the result is small, the output is low, and the economic benefit is reduced. The main branch should be selected, and the extra large branches should be retracted or retracted to determine a reasonable branch shape. For the pruning of the middle and lower bare branches of the branches, the interception method is adopted, that is, the main branches of the main branches and the lateral branches are short-cut, and the competition branches are retracted, heavy short cuts or thin branches are controlled. Remove the dense branches, go to the erect branches, and let the other branches grow. The densely planted plants can be long-prepared and pruned, that is, the auxiliary branches of the erect branches and dense parts are thinned or retracted, and the remaining branches are long.
3. Double backbone. For this kind of fruit tree, one can choose a trunk that grows more erect, more branches and stronger, and the other trunk is removed. If it is a tree with weak branching ability, the main branch is not well cultured, and the other trunk is conditionally cultivated into a main branch, which can be cultivated to become a main branch by pulling branches or other methods.
4. The trunk is too weak or too strong. The center is too weak to use the extended branches near the center to cultivate new centers. For the fruit trees are large, it is not easy to cultivate new center dry, and the method of early ring stripping and yearly retraction can be used to cultivate the tree shape of the main branch. For the central dry too strong treatment method is relatively simple, retracted to the middle and short branches, control its growth.
5. Pruning of the face tree. The face is half the tree is reasonable and half is unreasonable. More than half of the unreasonable growth is the growth of the head, which makes the crown not round, affecting the lighting and the result. Therefore, on one side of the branch, it is necessary to remove the dense branches, retract the strong branches, and pull the branches to open the angle.
6. Pull the branches. The purpose of pulling branches is to expand the angle, which is conducive to ventilation and light transmission. However, the angle of the branch is too large, and the branch is prone to erect branches, and the branches no longer grow. The angle of the branch should be 80 to 90.
7. The tree is strong or weak or weak. For the tree that is strong and weak, it is necessary to control it. The upper strong branches are long-cut, trimmed, retracted and densely branched. After 1 year of growth, the branches are germinated and multi-channeled, and early ring-stripping at the center of the center to promote flower bud growth and inhibit vegetative growth; lower branches, try to Reduce the amount of flowers and fruits and promote their vegetative growth. The weaker and stronger are the opposite, that is, the control is promoted.
8. Cut and trim. Improper interception is prone to chaos. Because the competition branches are not removed during pruning, the phenomenon of the main and the subordinates is not divided. For the trees that need to expand the crown, the methods of cutting, branching, retracting, long-distance, etc. are used to correct; the long branches are bare, After germination, it is engraved with multiple rings to promote its germination. The densely planted trees that need results should leave more branches to retain as many flower buds as possible. The bare treatment of the branches is the same as above.
9. Trim too heavy or too light. If the pruning is too heavy, the next year will grow vigorously and affect the formation of flower buds. The result will be postponed and the results will be less. For this purpose, long-cut pruning, multi-channel engraving, ring-stripping and other flower-forming measures can be adopted to make it quickly achieve the purpose of pressing the crown. If the pruning is too light, the weak tree is weaker, affecting growth and results. It should be sparse or retracted. The 1 year growing branch should not be cut as long as the master-slave relationship, and the long-cut pruning will make it more strong and stay. Thin branches, promote the results; for the bare branches, germination during the multi-channel cut, promote short branches, to achieve early results, good fruit.
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