First, pick the heart. Topping can control the growth of branches, increase the branching level and branch quantity, accelerate the expansion of the crown, and promote the transformation of branches to the result branches, which is conducive to the early results of the saplings. The topping of the heart is divided into early picking and pickling in the peak season. Early topping is usually carried out within 7 to 10 days after flowering. Topping during the growing season is generally carried out from late May to mid-July, and 30-40 cm topping is reserved for new shoots, which is mainly used to increase the amount of branches. If the sweet cherry tree is more vigorous, the secondary shoots after the topping are still very prosperous, and the continuous topping can be carried out 2 to 3 times, which can promote the formation of short branches and early results. Second, twist the tip. The twisted sweet cherry branches grow moderately, and the upper part accumulates more nutrients. Both the top buds and the lateral buds can obtain more nutrients, which is beneficial to flower bud differentiation. Even if the branches with flower buds cannot be formed in the same year, flower buds can be formed in the second year. When the new shoots are not lignified from late May to early June, the erect branches, competing branches and introverted temporary branches will be placed on the back, about 5 cm from the base of the branches, and gently twisted by 180 degrees to make the xylem. There is a partial crack in the phloem, but it is not broken. The sprained part of the year was completely healed. The twisting is too early, the new shoot is not semi-lignified, the tissue is weak, easy to break, and because of the small number of leaves, it is not conducive to the formation of flower buds. If the twist is too late, the branches are lignified and brittle and hard, not easy to twist, and the force is too large to break easily, resulting in dead branches. Third, pull the branch. Pulling branches can solve the problem that winter shears cannot solve, so as to reduce the amount of thinning during winter pruning. Generally, after the harvest in June, the opening angle of the branching is carried out, the response of the tree body is mild, and the branches are not easy to shoot. Generally, grass rope, hemp rope or plastic rope is used. The wooden pile is tied to the ground at the end, the wooden hook is placed on the upper end, or the waste cloth, waste rubber and the like are put on the mat, and the angle is pulled by the pull branch. The main branches and side branches of the branching angle are preferably 60 to 70 degrees, and the other branches can be pulled to 80 to 90 degrees. When pulling branches, the branches should be prevented from splitting, and the support points of the pull branches should be prevented from being too high. The middle of the pulled branches will be arched upwards, resulting in small waist angles and stripping. The drawstring of the pull branch must be buried inside the tree tray to avoid affecting the inter-row operation. After a growing season, the angle is basically fixed, and then the drawstring is released. Fourth, thinning branches. After cherries are harvested, they can adjust the structure of the tree, improve the ventilation and light transmission conditions inside the canopy, and promote the flower bud differentiation, growth and development and balanced tree potential. This pruning technique has a significant effect on increasing yield of Zhuangshu. According to the survey, the adult cherry garden with trimming after fruit picking can increase the yield by one time. The thinning is usually carried out in the middle and the middle of July. The strong branches that affect the ventilation and light transmission inside the canopy and have no reservation value can be removed from the base. For large branches that only affect the local illumination conditions of the canopy, but still have the ability to produce results, they can be retracted at the larger branch with larger branching angle and growth ability. For specific treatment, the lower branches (fingerbone branches) are often used for contraction, and the higher-order branches (referring to the lateral branches) are available for sparse shearing. Five, take the branch. The branches can control the growth of annual erect branches, competition branches and other strong vegetative branches. In July, the branches have become lignified, starting from the base of the branches, bent by hand, and then bent upwards every 5 cm until the apex. If the shoots are too strong, the strips can be bent horizontally or drooped several times. Disclaimer: Some articles on this website are transferred from the Internet. 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Sweet cherry summer shears catch five points