Apple tree science in autumn
Doing a good job of pruning apple trees in autumn in a scientific and reasonable manner can achieve the effects of ventilation and light transmission of the crown, promotion of fruit coloring, regulation of tree vigor, and control of orchard closure.
1. Clean up the tree trunk. Appropriately cut out the long, densely packed shoots in the bore, and remove the overly dense shoots that affect fruit coloring. According to the "Guide to Rural Taobao", direct application of the callus anticorrosive film to the shear saw wound can quickly form a tough and soft film close to the wood, protect the growth of wound healing tissue, prevent the infection of rot bacteria, prevent soil and rain pollution, prevent freezing Prevents wounds from cracking.
2. Shrink peripheral branches. For the closed gardens interspersed between plants and rows, in mid-October, the new shoots around the canopy of the fruit tree can be trimmed to reduce the crown crown width. After the fruit is harvested, the large and dense branches between the plants and rows will be reduced. Keep the inter-line working path above 1 meter.
3. Sparse branches. In order to overcome the pruning response during winter shearing, the tree with the task of tree reconstruction is to remove the branches that affect the tree structure in autumn. This autumn shearing method is only suitable for growing trees, and it should not be overweight or carried on for years. Otherwise, the tree will be weakened.
4. Pull branches. For young apple trees before forming, September is the most suitable time for branching. The effect of "pulling out the level, pulling out the balance, pulling out the tree shape, and pulling out the level" is achieved by pulling the branches.
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