How to prune purple leaf plum

Pruning method of purple leaf plum

After the purple leaf plum is planted, it is cut short at the height of about one meter. Generally, the first sprouting branch under the cutting mouth grows most vigorously. It is the lengthening branch of the central trunk, and three relatively thick new shoots are selected as the main branches. The three main branches are required to be evenly distributed on the central trunk, and they are carried out at an angle of 45 °. In the growing season, they are decantered to promote the growth of the branch and the lengthening branch of the central trunk. During the growth period, if there is uneven differentiation between the main branches, you can adjust it by supporting, pulling, cutting the direction of buds, pushing the inner buds out and so on.

The second winter pruning of purple leaf plum

In the second year of winter pruning, the trunk extension branch should be cut short and strong buds should be left at the cutting mouth, the direction is opposite to that of the previous year, so as to ensure the straightness of the trunk; the three main branches should be cut short in different degrees according to their growth conditions, and external buds should be left at the cutting mouth, so as to continue to expand the crown. During the growing period, we should pay attention to the growth of long and steep branches, or remove or remove the heart.

The third winter pruning of purple leaf plum

In the third year of winter pruning, continue to cut the trunk and lengthen the branch, and at the same time, select the second layer of main branch to carry out short cutting to expand the crown. Other branches on the trunk, as long as their initial reading does not exceed one-third of the thickness of the main stem of the landing part, can be put or cut for a long time. If they are too thick, they should be retracted to the outward short branches.

The fourth winter pruning of purple leaf plum

In the fourth year, the third main branch was selected. In addition, when the main branches are cut in winter, they should be gradually equipped with appropriate number of lateral branches, and attention should be paid to the scattered distribution. After the next year pruning as long as the pruning dead branches, disease and insect branches, inward branches, overlapping branches, Cross branches can be; for the long and weak branches, should be timely retracted.