There are several common methods for pruning the cherry tree during dormancy: 1. Short cuts. 1 light and short, cut 1/5 to 1/4 of cherry branches. Light and short cuts have the effect of weakening the apical dominance of the shoots, which is beneficial to increase the germination rate, increase the amount of short branches, and form more bouquet-like result branches. Therefore, light and short cuts on horizontal branches and oblique branches on saplings can increase the amount of short branches, which is beneficial to early results. 2 short cuts, cut 1/3 to 1/2 of branches. During the pruning process of cherry trees, the developmental branches of the stem branches and the peripheral growth space usually undergo mid-short cuts, and generally 3 to 5 medium-long branches can be promoted, which is beneficial to expanding the canopy. 3 short cuts, cut 2/3 of the branches. This method is mostly used to balance the sapling tree potential, such as the implementation of heavy short cuts on the strong branches of Wangzhi, can reduce the growth momentum of Wangzhi. It can also be used to cultivate fruiting branches. For example, the branches on the backs of the stems should be weighted and shortened first, and the shoots should be lowered. In the second year, the shoots should be released slowly and cultivated into fruiting branches. 4 extremely short and short, leaving only 4 to 5 buds at the base. This method is mostly used to control the competition branches and excessive branches. When the buds on the base of the shoots to be removed have buds and buds, they can be severely cut short and the flower buds at the base can be retained. After the results are removed, they can be removed. 2. Thinning. The sparse branches mainly eliminated dense branches, cross branches and overlapping branches, which can reduce nutrient consumption and improve lighting conditions. However, the cultivated cherry in protected cultivation should not be over-pruned during the dormancy period, and the tree shape should be adjusted after the fruit is harvested. And to protect the wound, the wound can be coated with lead oil so as not to cause the wound to flow or crack. 3. Retraction. Retraction has the effect of reducing the site of the result, saving nutrition and enhancing the growth potential, and is mostly used for the renewal and rejuvenation of the result stick. If the drooping branch group is reduced to the upper branch, the weak branch group will be reduced to the strong branch. For the cherry tree in the full fruit period, the growth potential of the new shoots weakened, some branches drooped, and baldness appeared in the lower part of the canopy. In order to improve the light, the number of branchlets on the big branches was reduced, and the nutrients and moisture were concentrated to supply the remaining shoots. The result branches can be updated and rejuvenated. After the large branch retracts, several remarks can be drawn at the retracted site. Select one of them that is robust and has a proper orientation for regenerating the shoots, and adjust the angle in time. Excessive moths should be erased to promote the growth of new shoots. 4. Slow release. For the one-year-old branch without trimming is called slow release. Under normal circumstances, the growth potential of slow-release branches is reduced year by year, the number of middle and long branches is reduced, and short branches and bouquet-like fruit branches are increased, which is beneficial to the results. However, it is not appropriate for strong Wang Zhi, especially erect strong Wang Zhi, to put it slowly. Sweet saplings of young cherries and early fruit trees can be placed on moderately oblique branches with moderate growth potential to promote more fruit-bearing fruit branches with earlier results.
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When the cherry tree is pruned
The best time for pruning the cherry tree during dormancy is close to the bud. Premature trimming can cause loss of water in the wound, resulting in dead shoots, and can also lead to fluid loss. While pruning after germination, wounds heal quickly. Therefore, the pruning of the exposed cherry trees should be carried out when the buds are sprouting, and the cherry trees in the protected areas can be started at the beginning of warming.