Scientifically and rationally do a good job of pruning apple trees in autumn, which can achieve the effects of ventilation and light transmission of the canopy, promoting fruit coloration, regulating tree potential, and controlling orchard closure.
1. Clean up the tree. Appropriately cut off the long legs of the squat, tightly squeeze the shoots, and remove the overly dense shoots that affect the coloration of the fruit. According to the "Rural Taobao Guide", the callus and anti-corrosion film can directly form a layer of tough soft film to adhere to the wood, protect the wound healing tissue growth, anti-corrosion infection, anti-soil, rainwater pollution, anti-freeze, Prevent dry wounds.
2. Shrink the peripheral branches. For the closed gardens where the plants are interplanted and inter-row, the new shoots of the canopy of the fruit trees can be cut off in mid-October, the canopy crown can be reduced, and the large branches and dense branches between the plants and the rows can be shrunk after the fruit is harvested. Keep the line between the lines more than 1 meter.
3. Sparse the branches. The tree with the task of tree transformation, in order to overcome the pruning reaction during winter shearing, removes the large branches affecting the tree structure in autumn. This kind of autumn shearing method is only suitable for growing trees, and it should not be too heavy, nor can it be carried out for years. Otherwise, it will weaken the tree.
4. Pull the branches. September is the most suitable period for apple saplings before forming. By pulling the branches, the effect of “pull out the level, pull out the balance, pull out the tree shape, and pull out the level†is achieved.
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