Four points in winter management of chestnut trees

Winter pruning chestnut trees in winter pruning appropriate period should be arranged in mid-December to January of the following year, after entering the full fruit period of chestnut trees, in the pruning to the bore pest branches, overlapping branches, whorls, cross branches, withered branches, thin branches, drooping branches and so on all cut off, in order to improve the canopy ventilation and light conditions, while conducive to concentrated nutrition, so that the branches thick and full. For the top branches and trunk branches of the extension should be reserved 50 cm for short treatment, promote the development of lateral branches, in order to increase the number of fruiting mother branches. At the same time, it is necessary to reserve a part of the long branches in the crown or in the middle and lower parts of the big branches and cultivate them into fruiting mother branches; the fruiting mother branches that grow too vigorously should be appropriately truncated to promote the new branches in the lower part.

Pest control mainly kills chestnut weevil, and in combination with garden cleaning to pick up damaged chestnut fruit, prickly bracts, etc. in the orchard; litter, residue waste and pruned branches are removed from the garden and burned in a centralized manner.

? Scrape skin when the trunk should be spread under the plastic to receive, with a sharp knife to scrape off the thick skin, old skin, warped skin, will be taken to the outside of the garden concentrated burning. After scraping, the trunk and large branches shall be painted with whitening agent in time to prevent pests or germs from infecting the trunk.

???? Chestnut trees are prone to freeze injury in winter, which is very unfavorable for tree overwintering. The tree disc should be loosened and covered with grass to improve the cold resistance of the tree body and make it safe to winter.