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How to prune plums in winter?
First of all, you should set the shape according to the garden, that is to say, look at the density and spacing of your plants, and then set the tree shape according to the spacing of plants. The choice of tree shape has been decided by the planting of young trees.

Different trees have different fixed dry heights. Such as plant spacing 1 m or 1.5 m and row spacing of 3 m is suitable for trunk shape. The stem may not be fixed in the first year, and its purpose is to cultivate the height of the main stem and increase the thickness of the main stem. You can also choose different heights of fixed stem height according to soil fertility and hydraulic conditions. Objective To enlarge the crown, thicken the trunk and increase the trunk. Pruning can be done by pulling branches, cutting them short and thinning them.

In short, the law to be followed is the principle of selecting the strong and keeping the weak, re-cutting the weak trees, lightly cutting the strong trees and slowly releasing them, and gradually pruning them year by year. If fruit trees are hung, the purpose is to adjust the growth balance. In other words, the aim is to gradually transform vegetative growth into reproductive growth. In short, let the fruit trees bear fruit and produce high-quality commercial fruit. You can use the method of lowering your head, then lowering your head, and pressing the crown with branches. Followed by cutting short, thinning branches, pulling branches, carving buds, making injuries and other methods. Specific tree specific processing.

Second, pruning because of the tree potential.

Trees are divided into weak, medium and strong. Pruning is different, weak trees fall heavily, strong trees fall lightly, and the height should always be about 80% of the row spacing. Focus on cultivating the results of the upper branches of the main branches, increase the ratio of branches to stems and the ratio of branches to leaves, and ensure the full use of sunlight. To the point where the branches are not busy when they see the light. Make rational use of empty ones. If it is 3 m× 3 m or 3 m× 4 m or 4 m× 4 m, it can be considered to be freely rotating vertically, layered and open.

In short, different trees have different pruning methods. However, turning on the light is a general rule for pruning fruit trees, because everything grows by the sun. Nothing can grow without light.

Three, plum tree happy pruning

Let's talk about the pruning method of plum tree happiness. Due to the shape of the above-mentioned free spinning reeling, the fixed dry height of the layer is similar to that of the pruning method, but the shape of the free end is different. Therefore, it is worth mentioning that the happy shape of plum tree is an ancient tree shape. Young trees generally have a fixed trunk of about 70 to 80 cm, with the purpose of winding branches and choosing branches with reasonable angles for spring.

The rest is thin. Focus on cultivating the main branches (four main branches are happy, three main branches are happy, and two main branches are happy, also called Y-shaped), and winter pruning of young trees is also the focus on cultivating the skeleton. Each main branch should maintain an infinite uniaxial extension, and then cultivate fruit branches on the main branches. After fruiting, the age of the tree is shrinking and rejuvenating year by year, and the auxiliary branches are cultivated.