After fruiting peaches, the pruning of the annual growth period is very important, and its pruning time, frequency, degree, and operation method must be carefully grasped.
For the first time when the shoot is about 5 cm in length, the buds, the buds, and the buds of the annual base are not erased from the growth buds, that is, the buds or buds that germinate on the same bud position, leaving only 1 One, the rest erased. Note that the upright varieties go strong and remain weak, and go straight to stay slanting; the open type varieties go weak and stay strong.
The second time when the new shoot is 40-50 cm long, the upright fruit branches are lightly picked and the growth is controlled; the aptly-occluded branches with large space leave 4-5 buds short, promoting branching and cultivating branches; the competition branches to the vice At the tip of the shoot, when there is no accessory shoot, the heart is lightly picked; the overlying shoots, the thin and weak branches, and the erect branches on the branches are removed; the appropriate auxiliary shoots are cultured in the lower and middle branches of the extension to adjust the main lateral branch angle.
For the third time in July, the secondary shoots that grew after upright fruiting branches were left 1-2, and the upper ones were truncated; for the leggy twigs used for control, the remaining shoots were kept except for the upper one. Topping; For the fruit branches that have not yet grown, cut off 1/4-1/3; for the prosperous main branch, select the appropriate secondary tip at 15-18 cm to make the head (cut off the remainder), and lower the The top tips are all topping. When trimming, pay attention to keep the 3 cm long protection pile.
For the fourth time in August, the branch shoots, main lateral branches, and extension branches grown on the long-picked long branches were picked up to enrich the flower buds and promote the aging of the shoots.
The fifth key point is to cut off the undeveloped parts of the main and auxiliary shoots of the peach varieties that are prone to frost damage before they stop growing, in order to reduce nutrient consumption and enhance the cold resistance of the tree.
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