The apple tree winter shear is technically strong, and it is based on variety, tree age, growth, pruning, tree structure, flower bud amount, natural conditions and comprehensive cultivation. It is easy to cause many mistakes during operation. Follow the operating procedures and get out of the misunderstanding of winter shears.
Generalized by the tree
Many people can't accurately identify apple tree varieties, tree ages, and growth. Cutting them to the end with a pruning method often leads to over-expansion of the prosperous trees, weak trees, larger new years, and smaller younger ones.
Correct practice: Before pruning, one must clarify the variety and establish the pruning principle according to the characteristics of the variety. The second is to judge the tree potential, according to the strength of the tree to determine the weight and specific measures of pruning, the weak tree is mainly intercepted, and the main tree is mainly placed. The third is to observe the amount of flower buds, and determine the amount of flower retention according to the fruit setting rate of the variety and the load capacity of the tree and the tree potential.
Adjust the structure to avoid chaos
At present, the problem of tree-shaped disorder in the fruit area is more common. As the age of the tree increases, it will not hesitate to leave the big branch during the pruning.
The correct approach: According to the norm tree requirements, it is reasonable to measure whether the tree structure is reasonable, whether the number, angle, space and affiliation of the backbone are appropriate. In the case where space permits, the main branch should maintain a strong growth potential, and the extension of the head should be sturdy and sturdy, so that it can occupy enough space, and the side branches and branches can be arranged in a planned manner.
According to the location, volume and space of the auxiliary branches, the whole tree generally has 3 to 5 auxiliary branches.
Light cut long and avoid seeing the head
Most beginners have such a habit of not looking at the cut buds. Due to too many short cuts, the branches are blind and dense, and the internal organs are bare and difficult to form flowers, forming a large number of long branches and excessive development branches.
The correct approach: the cutting of the main trunk, main branches, side branches and auxiliary branch extension heads should be treated differently according to needs. Those who are small in size and need to continue to expand the crown should be short-cut at the full bud of the extension branch; if they do not need to extend or grow too strong, they can grow long and not cut. Branches with no use value should be removed to facilitate ventilation and light transmission.
Pruning branches
Many fruit farmers have a rougher pruning of the branches, and they are only hardened by the method of retraction, regardless of the growth and branch age.
The correct way: First, after the result of the result of the branch group, if the age is not old, the branch group is not weak, and it is not urgent to retract. The second is the result of successive years, the branch group with weak growth should take the lead with the middle of the tree, leave the strong shoots, raise the angle of life, and eliminate the dense and weak branches. The third is the group with better growth results. After the promotion, the combination of cutting and releasing, alternating renewal, alternating results, the ratio of the vegetative branches to the resulting branches is 3:1.
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