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The main shape of the stem-shaped apple is suitable for densely planted orchards. Like the spindle shape, it has a strong center stem on which several dozens of transverse branches of several centimeters to 1 meter in size are directly generated. All are far smaller than the center and the result is mostly natural drooping. The tree height can be determined according to the row spacing.
The trunk shape is similar to the elongate spindle shape, but is more and finer than the transverse branches of the elongate spindle. The important thing is that the transverse branches are not long, so-called uniaxial and do not extend. The trunk-shaped fruit trees are dried around the center and receive uniform light and a large fruit. The tree features fast formation, low pruning, high quality flower buds, and easy updating of lateral branches. Take the apple tree as an example to explain how to cultivate the trunk-shaped fruit trees:
First year pruning
Supporting the center dry, strong seedlings, under the premise of ensuring the survival rate, do not have to set dry, dry land above 40 cm above the ground, irrigated 60 cm above the ground, with budding buds buds before budding. Buds are too early and too late to work. Weak seedlings and young seedlings may be cut short from the base, and attention must be paid to the shearing of the varieties above the grafted interface. The second year after the re-delivery of the management method with the management of the first year of healthy seedlings. For an orchard with a large seedling with a branch, the management method can refer to the management of the healthy seedlings in the second or third year according to the specific conditions of the seedlings. Pruning begins when vegetative growth approaches a halt.
Second year pruning
The second year's focus is on carving. The buds on the top of the annual center are carved every two buds, and the buds that are not grown on the biennial center are carved out. Transverse branches and Wang branches should be fully sculpted. When engraved, attention should be paid to the fact that the back buds must be engraved after the buds, the back buds and the lateral buds must be carved before the buds. On the horizontal branches where the center is working, the imaginary branchlets more than 15 cm can be twisted in the middle. The biennial branch wants to see a bunch of flowers. If there is no flower, it will be removed at the end of the year. In one word, the annual branch is to become a flower, the two-year-old branch has no flowers to remove, and the base should retain 2 or 3 buds.
Third trim
The fruits at the end of the third year must be preserved. The branches with prosperous branches can cause restraint before germination, and the two branches of buds can be cut or twisted. If it is an imaginary branch, it must not be allowed to stay in the base. Under normal circumstances, can cut a knife than the fine chopsticks, more than the size of the cigarette butt between the thick leaves and then cut a knife, cut a small knife thick 3 knife.
Through three years of meticulous work, the basic cultivation of trees is completed. When the height of the tree exceeds 2.5 meters, the entire upper part of the tree is budmed to make it into a flower, and the lateral branch length of more than 60 cm needs to be swayed, control the diameter of the crown, and slow down the speed of branch expansion.
Branch culture and update
The result of the stem-shaped fruit tree branches directly in the center stem, the whole tree has 40 to 60 horizontal branches and several small branches. As a result, the cultivation of the shoots and the construction of the tree are performed simultaneously, and the cultivation of the tree is completed. As a result, the cultivation of the shoots is completed.
The result of the stem-fruit tree results in successive branches. The branch group is weakened. This requires an update. The specific method is to remove the horizontal result branches that need to be updated from the short-pile piles at the base, and the new one-year-old branches grow to a certain degree. Through the twisting branches, carved buds, pull branches and other measures to promote flowering, the formation of new results Zhizu.
Major fruit tree shaping process