Plastic surgery and pruning are indispensable technical measures in the cultivation and management of pear trees, and they are also irreplaceable by other technical measures. However, they are by no means omnipotent or unique, and must be properly treated and applied. If one-sided emphasis on the role of pruning, while ignoring other technical measures, or the pruning and other technical measures against the excessive; emphasis on the tree, pruning and pruning; or do not pay attention to pruning, can not fully play the role of plastic pruning, and Obtaining early fruit, high quality, high yield, and high efficiency will result in late saplings, poor tree production, poor quality, and short economic life.
Pulling branches is very important for growing pears that are more upright. Generally, in July, the branch angle is increased by pulling, supporting, and hanging branches, and the angle required for cultivating trees is adjusted. The branching work of the main lateral branch must be timely, and the delay time is not allowed to delay the season. Otherwise, the workload of adjusting the tree in the future will be too large, and the tree shape cannot be standardized.
Ringworms (peeling) are generally carried out on the main branch, lateral branches and leggy branches. The ring should be 2-3 rings with a spiral ring. When girdling, it is necessary to strictly control the stripping width and not to damage the xylem. The width should be within 1/10 of the diameter of the twigs, and the width should not exceed 1.0 cm. From May to July, too late is not conducive to wound healing. After peeling, it can be wrapped with plastic film for healing.
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