Young apple tree pruning is dominated by plastic surgery. The slender spindle shape is used when the row spacing is 2mX3m, and the spindle shape or modified spindle shape is the main type when it is 3mX4m. Pruning is mainly sparse, combined with short cuts, to prevent the emergence of competing branches, long branches, stick groups and main branches and stems to maintain a good subordinate relationship. Remove the competing branches, strong twigs, leggy branches, delicate branches, and super-coarse lateral branches in the trunk, main branch and branch group; do not use the same strong branches as the middle branches and main branches to cultivate the main branches or the resulting branches. group. Focus on slow release of the main branch on both sides of the doctrine, and in the middle of the slow release shoots carved buds, promote the development of short and medium branches, cultivating into branches. After the slow release of the sticks, take a "clear head" pruning to extend the branches when the bifurcation branch to eliminate competing branches, to stay one on the trifurcation sparse one, to maintain uniaxial extension. Without prejudice to the affiliation and light, the appropriate number of supportive aids will be maintained and flattened. The pruning of the early fruit tree is still mainly sparse and slow. According to the requirements of affiliation, the structure of the tree is moderately adjusted, and the super-sized and non-extended branches and branch groups are eliminated or shrunk. For the minor branches and branches with less influence on the flowers, basal wounds were made to stimulate the germination of the buds, and the renewal preparations were bred. After the results were obtained, they were removed or shrunk as appropriate. The main branches of the year were mainly slow-released, combined with sparse cutting, and maintained the uniaxial extension of the main branches and branches. Continue to grow buds and increase the amount of branches, in order to lay the foundation for the fruitful period as soon as possible. The fruit tree pruning is mainly to adjust the ratio of branches to fruit and light conditions, update the results of branches and groups to achieve stable production, high yield, high quality, and high efficiency. First, according to the size of space to thinning or shearing the large amount of growth support subsidiary branches and super branch group, so that the leaf curtain spacing 40cra; the second is to eliminate the main branch from the stem less than 25cm in the auxiliary branch, forming a circle up and down Cylindrical light-transmitting column; third is to eliminate the skirt and the lower main branch, improve the utilization of reflected light; Fourth, to achieve the height of the tree has been falling head and happy to fully use the coating. Through adjustment, the transparency of the green varieties in the growing season reached more than 15%, and the red varieties reached more than 25%. As a result, the branch has been updated year after year, and it has been cultivated every year, so that the lifespan of the branch is maintained within 6 years. Large and medium-sized branch groups that have reached the renewed age should be eliminated once in the absence of growth space or around the existing Zhuangzhi group; branches with a certain growth space should use Zhuang Zhuang, Zhuang Zha, or stay short. If the amount of whole tree flowers is insufficient, in order to maintain the yield, wounds can be created from the base and the sprouts can be stimulated to regenerate the ready branches. After the results, the original branches can be removed or retracted. The small branch group generally returns in a timely manner within 2-3 years. As a result, the species with a short shelf life should be retracted after 1 to 2 years. The number of branches and branches in the whole tree is about the same, about 1/3 each. In winter, the ratio of flowers and branches is between 1:3 and 4. In the year of the year, excessive large branch groups, weak branch groups and delicate branches are to be removed. The middle and long fruit branches are more broken and more vegetative branches are slowly released. The young trees retain the flower buds as much as possible, the middle branches are not broken, and the branches are not sparse, and the vegetative branches are appropriately shortened. To prevent excessive spending in the coming year and to eliminate delicate branches. Wangshu's pruning is to ease the tree-trend and use scattered methods. First of all, we should increase the angle of the main branch. When pruning, we should try our best to sparsely, sparsely or not. We need to have many buds on one-year-old branches. For large branches (major branches) that must be removed or retracted, they can be left to be spent before flowering. At the same time, appropriate flowers must be kept and the trees pressed. Weak tree pruning is mainly rejuvenation. Concentrated cutting is adopted, leaving few flowers, shorting the middle and long branches, extending the branches with strong branches and leading, thinning weak branches, not sparse branches, not creating injuries, focusing on nutrients, and rejuvenating the tree. In the strong and weak trees, the main branch of the grassroots branch is too large, and the branches are too large and too large. When pruning, the angle of the main branch of the lower layer should be properly raised, and the angle of the main branch of the upper layer should be increased. Dafu raise branches; use the appropriate auxiliary nutrient with proper orientation and angle to replace the large main branch, or use the back branch of the base, lateral branch shrinking and cutting, and changing large and small. The lower main branch suitably leaves few flower buds, and the upper main branch relatively retains flower buds. ? The weaker and weaker trees are mainly caused by multiple primary branches, small distances within the layer, or the use of strong branches of the same age as the main branch. When pruning, it should be controlled. The primary branch of the grass roots is removed from the main branch of 1-2 times in multiple years, and the major branches and branch groups on the main branch are removed or shrunk. The main branches of the strong branch are changed to the main branch and the branches from the lateral branch to the main branch. The main branch of the grassroots has more flowers, and the middle stems need less sparse branches and less flowers, and the stems in the stems will be shorter and longer in the branches to increase growth. When the closed orchard is pruned, the main structure is to adjust the group structure and open the light path. When an intercropping orchard planted in a super dense plant is planted (with a spacing less than 2m×3m), the main branch is used as the main body, and the main branch is removed or shrunk year by year, and the tree is adapted to different densities in 2-3 years (2mX3-4m). The slender spindle shape; 3mX4m spindle-shaped, improved free spindle shape); The second is to adjust two or more than two strains as a whole, to remove light and heavy main branches year by year, and transform them into sparse shapes on a spindle basis. The main branch is reduced by half. Without disturbing the ventilation and light transmission between the plants, the main branches can be staggered. The Qiaoqin dense planting garden should be planted with dense lines, lined with dense lines, and established permanent and temporary strains, using different pruning methods. Permanent strains were routinely trimmed. Temporary strains in the summer to promote flowering measures under the premise of the winter cut when the sparse or retracted with the permanent strains of the junction or close to the cross of the main branch, to retain the main branch and branch group light cut more flowers, did not take measures to promote flowers Postpone trimming (before flowering) may be postponed and early summer results may be increased. When the temporary plant has no space for cutting. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone
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