Pruning time of peach trees:
Pruning of peach trees is generally carried out from the middle of the month to the early February of the following year after the peach trees have fallen leaves. Pruning peach trees in winter can not only remove the residual germs and pests on the branches of peach trees, but also make the nutrients in peach trees return to the roots, laying the foundation for high yield of peach trees in the coming year. Pruning peach trees in winter should choose appropriate pruning methods according to the age of fruit trees and the role of branches.
Pruning techniques of peach trees in different periods;
1. Young trees and early fruit trees:
Young trees and early fruit trees generally adopt crown expansion and pruning, so short cutting, light cutting and long cutting are generally adopted. For bony branches and elongated branches, they should be cut short according to the tree shape to be cultivated, and for branches that are not the trunk, they should be cut lightly and put long to promote later flowering and fruiting, and gradually cultivated into fruiting branches.
2. Full fruit period:
Peach trees in full fruiting period mainly regulate the relationship between growth and fruiting, and prolong the fruiting time of peach trees on the basis of maintaining the healthy growth of fruit trees. 5-8 flower buds should be left in the long branch of the fruiting branch in the full fruit period, 3-5 flower buds should be left in the medium-length fruiting branch, and the shorter fruiting branch does not need to be truncated. Pruning of fruiting branches should stagger the main long and short branches and reserve spare branches. When peach trees are pruned in full fruit, the vigorous branches can be pruned again, the weak branches should be lightly pruned, and the strong buds should be kept.
3. Fruit trees in the late growth stage:
When peach trees enter a weak period, many branches will die. At this time, it is necessary to cultivate new branches, because the former fruiting branches are old and bear few and small fruits. When the fruit trees are pruned in the later growth stage, the big branches shrink slightly year by year, the middle branches and branchlets shrink appropriately, and the strong branches or full flower buds shrink, which stimulates the vigorous growth of flower buds and branches and forms a new vigorous fruit tree.
In short, the principle of pruning is to ensure ventilation in the crown of young trees, trees in full fruit period or trees in weak fruit period, because the ventilation in the crown of peach trees is poor, which is easy to cause branchlets to die without light, which is not conducive to the cultivation of fruit-bearing branches.