Utilization and Control of Auxiliary Branches of Apple Trees

The use of auxiliary branches, one is to support the tree, the second is early results, more results. The transformation of the secondary rearing branches is mainly to change the auxiliary branches to the result branches. The control and treatment of auxiliary branches is mainly to give way to the backbone branches and improve the ventilation and light transmission conditions, and maintain a good tree structure.

Use of supplemental branches

Saplings should keep as many supplementary branches as possible, and make more use of the results of auxiliary branches (especially pendulous auxiliary branches), and promote their multi-fruiting and short branches, forming flower buds as soon as possible, and the space can be expanded. Before 10 years of life, the main branch should be supplemented with additional branches, and then gradually become the result of the branch, that is to use it to help the growth of the main branch, and then use it to increase production. The saplings mainly rely on the results of auxiliary branches and branches. Therefore, methods such as pressing, easing, taking, ring carving, and girdling should be adopted to make early results more fruitful; as the age of trees increases, the expansion speed should be limited, or the result of transformation into branches and branches , Or from big to small to give way to the backbone.

Auxiliary branch control

When the canopy is further expanded and enters the full fruit period, it is necessary to strengthen the control of auxiliary branches and handle them in stages. Generally, the total shoot shoots on the whole tree branches should not be larger than the total branch shoots on the branches, otherwise it will affect the ventilation and light transmission. The growth potential of the secondary rearing branches must be weaker than that of the adjacent branches, otherwise it will affect the growth of the surrounding branches and branches, resulting in undifferentiation between the main and auxiliary branches, disorder of the branches, and unbalanced tree vigor. The size, number, use, or control of the supplemental branches depends on whether they affect the growth of the main and lateral branches and the ventilation and light transmission. Without affecting the growth of trunks, ventilation and light transmission, the results of secondary cultures should be used as much as possible. As the tree age increases, the main lateral branches continue to extend. When the auxiliary rearing branches interfere with the growth of the main lateral branches, they should be retracted to give way to the main lateral branches or gradually removed. The principle of dealing with auxiliary feeding branches is how much to influence and where to influence, and all influences are eliminated completely. Treatment of auxiliary branches should be gradually removed through measures such as multi-results, continuous reduction of branch weights, and control of bold growth, or it should be transformed into large and medium-sized fruit groups and long-term results.

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