Fuping County is the hometown of famous persimmons in the country. At present, it has planted 110,000 acres of persimmons, annual output of 80,000 jin of fresh persimmons, and processing of 16 million jin of dried persimmons. The persimmon industry is one of the leading industries in the county's economic development; the surrounding counties and regions are also heavily planted with Fuping tip persimmons. As winter approaches, persimmon trees enter a period of physiological dormancy, and winter pruning is an important part of the winter management of persimmon gardens. According to the practice for many years, the brief introduction of winter pruning techniques of Fuping tip persimmon is as follows:
Common tree
Three branches in one heart shape (inverted umbrella shape): suitable density 4m6m ~ 3m4m, tree height 3.5m ~ 4m, dry height 1m, the center dry on the range of 1 ~ 1.4m selected three main branches, the main branch on the rational configuration of the results In the group, the center stem was evenly strewn with 3 to 4 branches.
Small Crown Sparse Form: Appropriate Density 4m6m～3m4m, Tree Height 3.5m, Dry Height 1m, Center Drying 1~1.4m, Three Main Branches, Relocation From 80cm～100cm Around Third Main Branch Leave two main branches, leaving 1 to 3 lateral branches on each main branch. The number of lateral branches is determined by the size of the space. The base is more, the upper part is less, the orientation is staggered, and the space is evenly and reasonably occupied.
Trim points
Sapling pruning: appropriate sparse cutting, thinning too strong, too dense, too weak branches and pests and branches; slow release Zhongyong branch, promote the mother branch results, and promote early formation, early results, early high yield.
The results of the tree pruning: the results of the tree to note, ventilation, light, the results of the branch groups, update the results of the branches and groups, to prevent the results of the site outside the shift, maintain high yield, stable production.
(1) Results: The configuration of branches and branches: The result should be reasonable configuration of the branches and groups, the base is larger, the top is smaller, and the results of multiple cultures extending horizontally and growing in the middle are required to restrain the strong and weaken the weak, and be reasonable, staggered, and unaffected.
(2) Update of the result stick group: pay attention to the cultivation of branchlets in the inner part to prevent the outward movement of the result part; reduce the results of the branch group of more than 3 years, appropriate the short part of the result of the mother branch, and lower the result of the mother branch.
(3) Resulting pruning of mother branches: Recognizing the resulting mother branches, appropriate sparse shearing, sparsely thinning when going to thinning, leaving new, leaving straight, staying away, staying weak, and leaving strong; the result is generally not suitable for mother branches Short cuts (persimmon tree flower buds are generally at the top of the 3 to 5 buds), only the result of over-strength mother twigs can be appropriately short cut, making it a preparatory branch to ensure the number of leap year results; as a result, the distance between mother twigs should be determined based on the growth potential , stout far, weak near, the same direction should generally be between 30cm ~ 50cm.
(4) Pruning of developmental branches: Generally, the long-distance setting is not cut.
(5) pruning of leggy branches: leggy branches should be generally sparse, and when larger gaps appear, they can be shortened or branches can be long and put in empty spaces and cultivated into fruiting branches.
Pruning of aging trees: Should pay attention to retract old branches, use leggy branches, renew tree crowns, restore tree vigor, and extend the results of years. Retracting large branches, raising the angle so that the new branches will continue to grow in place of the large branches; the upper tribal head should be re-shrink, control the consumption, open the light path, create conditions for the growth of new shoots in the inner chamber; the lower trim should be lighter to maintain A certain number of result sites maintain production.
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