The high-yielding tree of the mountain pavilion cherry has a low-dry, low-crown shape, an oblate tree, a few branches on the backbone, a large branch angle, and a canopy opening. The plastic trimming technology is introduced as follows.
1 natural happy shape
The tree resembles a typical peach tree. There is no central leader, stem height 30-40 cm, whole tree 3 to 4 main branches, opening angle 30 to 40, 2 to 3 lateral branches per main branch, Extend outwards, opening angle 70. ~80. The main branches and lateral branches were re-cultivated with different size and result branches. The tree height was controlled at about 3m, and the crown was flat or round. The plastic process: the first spring. Drying height 50 ~ 60cm. Leave 3 ~ 4 main branches growing in different directions. When the main branch grows to 40 ~ 50cm, pick up the heart, so that the main branch branches off. In the second year of winter pruning, if there is an upright center stem, cut it out, select the main branch and sideways, and leave a short cut of about 40 cm. Except for the extension of branches, other branches left 15cm to pick up the heart, and through continuous topping to control the growth and promote the formation of the resulting branches. Before the spring of the third year of germination. From the angle of adjustment, the short side of the lateral branch is not enough. Branches are enough, no longer short. In the summer, we continue to cultivate fruiting branches through topping.
2 Improved trunk shape
This is a cedar-like tree, which is characterized by the obvious advantages of the center trunk. Dry height 50 ~ 60cm, its main stem equipped with more than 10 single-axis extension of the main branch, can be stratified or not obvious stratification. Spirally on the main branch, the angle is horizontal, a large number of branches and branches are produced on the main branch, the height of the tree is generally about 3m, and the planting density is low. May be higher, dense planting garden should be shorter. The tree-shaped light is good, easy to flower, the result of a lot of quantity, quality is also a tree that is widely used in the United States, Japan and other countries. Plastic process: Cherry seedlings remain 65cm after colonization. The first new shoot maintains its upright growth and the central trunk is cultivated. The second bud is a competing branch and should be cut off, leaving 3 to 4 new shoots in different directions below. When it reaches 30cm, open the angle. When the central shoot grows to 40cm, it is picked up and the main branch is raised. If the growth of the central shoot is not strong, it will not be topping up. In the first year of winter pruning, the main branch of the central extension was cut 40-60 cm, and when the lower main branch was 3-5, the cut was longer. When there are fewer than 3 lower branches, the cuts should be shorter. The main branch left for the election. Only open the angle. No longer short. In the second year of growing season, when the central trunk grows vigorously, it picks up the heart at 40cm, does not grow without budding, and the main branch extends the branch without picking up the heart. The cherry harvest and other branches of the fresh-keeping technology continue to pick the heart. Generally up to 10cm topping, training results branches. The second year of winter pruning is the same as the first year. Later if the tree height has reached a suitable height, the tip can be cut off.
3 fence shape
The tree resembles the stand of the grapes, tying the branches of the cherries on a wire rack to form a fence. The advantage is that the angle of the branches opens and the lighting conditions are good. Due to the control of the apical dominance, the lower result branches are formed early, develop well, can lead to early results, early high yield and stable production, and good quality. At the same time, the results were concentrated and picking laborers. The plastic process: After leaving planting, 60cm will be left to dry, and the new sprout will focus on leaving 5 items. The top is center dry. In the lower part, 4 are the main branches of the first layer. If there are less than 4 main branches, when the new shoots reach 30 cm in length, the vigorous shoots will be picked up and the branches will be promoted. In the first year of winter pruning, the lower one to four main branches were tied to the first layer of wire, not short. The center left a 50cm short cut. In the second year of growth period, due to the obvious advantages of the central dry apices, the main branches emerged after a short cut, the growth was vigorous and then the center stem was retained, and 4 were selected as the main branch of the second layer. If the main branch is not enough, they can be grown at 20 to 30cm. Branch topping and promote branching to increase the number of primary branches. The main branch of the first layer maintains the extension of the front branch and the other branchlets continuously control the growth. In the second year of winter pruning, in the same year as the first year, the main branch of the second layer is tied to the second wire, the center is dried and then cut short at 50cm, and then four main branches are cultivated in the growing season, and then bundled in the third layer. On the wire, no longer stay in the center. It is sufficient to form the fence wall shape of three main branches of 12 layers.
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