Walnut tree pruning, need to determine the pruning time. Spring pruning is carried out in the walnut tree after germination to show leaves before pruning, this time period pruning suitable for non-fruitful trees or overgrowth of trees, can control growth, weaken the tree, early results. Not suitable for pruning into the first fruit trees, will cause injury flow, so that the nutrient damage, weaken the tree. Summer pruning is mainly light shearing, suitable for pruning overgrowth of walnut trees that do not bear fruit. Fall pruning time is in the walnut harvest to leaf yellowing before, optional in mid-September to early November, this time suitable for pruning weak trees, old trees. Walnut trees are best not pruned in winter to avoid injury flow.
2, pruning tools
Walnut tree pruning is best to use special gardening scissors, scissors beforehand to do a good job of sterilization, to avoid scissors on the germs infected to the incision.
3, the main pruning methods
Sawing forced branch: in order to force the birth of hidden buds to, can be in the bare leg part of the hidden buds above the sawing, has been deep to the xylem, so as to promote the germination, the growth of new branches.
Ring saw: for the walnut tree on the larger non-bonebone branches, can be ring saw.
Pinching: Before June, the new shoots in the inner chamber have not yet lignified, and at this time, you can press the branches with inappropriate growth direction to a position with space.
Thinning: thinning of dead, dense and inner branches.