When is the best time for pruning branches of traditional walnut trees?

The best pruning time should be in the spring leaf opening period, that is, March and April, and the best pruning time in autumn should be 10, 1 1. Mainly to increase the growth and development of trees, light and ventilation, which is conducive to promoting branching and fruiting. Pruning in spring should be cured, and trees that are too prosperous and fruitless should be cut down; In winter, we should cut down the bleeding tree (that is, the bleeding tree) and let it grow strong on the flat ground. The crown structure of walnut trees can be divided into two types: natural happiness without central trunk and evacuation layered with central trunk.

Pruning is essential in the process of planting walnut trees. Choosing suitable pruning time is of great significance to improve the yield and quality of walnut. Dead branches, rotten branches, diseased branches and yellow leaves of walnut trees are our main pruning targets. Walnut trees have few branches. Generally, we should pay attention to the pruning process and try to keep as many branches as possible in the walnut tree. If some branches are too dense, they should be trimmed in time. It is best to cut directly from the base of the branch when thinning.

The best pruning time of walnut is from mid-September to165438+1early October. If the winter pruning is suitable, it is prime time when the frost falls to beginning of winter. At this time, pruning has the least impact on the walnut tree, and the cut will not bleed. Only by comprehensively considering different walnut tree varieties, tree age, early fruiting walnuts, late fruiting walnuts and other factors can we prune walnuts accurately. Pruning should also be carried out in autumn, usually after the fruit is harvested in autumn and before the walnut leaves fall, that is, around 10. If not pruned, it will affect the growth and fruit of trees in the coming year.

If you miss the Millennium, prune the walnut tree. You can be busy planting until the summer solstice. It is the time for walnut trees to change water and nutrition from awning to summer solstice, and it is also the function of walnut trees to decompose and heal wounds by themselves. Some viral diseases spread from wounds to trees. In recent years, walnut black spot, commonly known as walnut black virus, which has troubled walnut growers, will also be introduced from wounds, affecting appearance and grain yield.