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Method for reducing artificial pruning intensity and damage to trees and directional control of crown shape

A damage degree and directional control technology, applied in cultivation, agriculture, application, etc.

Active Publication Date: 2020-03-27
EAST CHINA NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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So far, there is no alternative method to solve or improve the above problems

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  • Method for reducing artificial pruning intensity and damage to trees and directional control of crown shape

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Embodiment Construction

[0014] In conjunction with the following specific embodiments and accompanying drawings, the invention will be further described in detail. The process, conditions, experimental methods, etc. for implementing the present invention, except for the content specifically mentioned below, are common knowledge and common knowledge in this field, and the present invention has no special limitation content.

[0015] The present invention proposes a method for greatly reducing the intensity of artificial pruning and the degree of tree damage and directional control of crown shape, comprising the following steps:

[0016] Step 1: For the specific tree species and habitat, according to its growth law and cultivation purpose, determine in advance the maximum expected crown shape that the tree needs to maintain in the future and the maximum expected length of branches at different positions in the crown b i (i represents the different positions of the branches in the canopy) and the maximu...

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Abstract

The invention provides a method for reducing the artificial pruning intensity and the tree damage degree and directionally controlling a crown shape. The method comprises the steps: determining the maximum expected crown shape of a tree as well as the maximum expected length and maximum expected branching frequency of branches on different positions of a crown; determining critical diameters of tip ends, being successfully subjected to seasonal environmental stress, of the branches on the different positions of the crown; when the lengths of the branches on the different positions of the crownreach or exceed the maximum expected length, and the diameters of the branches on positions where the maximum expected length is reached are equal to or larger than the critical diameters of the tipends, cutting off the branches on the different positions of the crown on the positions where the maximum expected length is reached; determining the actual branching frequencies on the different positions of the healthily growing crown after completing continuous growing and natural pruning processes; and when the actual branching frequencies are larger than the maximum expected branching frequency of the branches on the different positions of the crown, pruning the branches, and making the residual branching frequencies on the different positions of the pruned crown equal to or close to themaximum expected branching frequency.

Description

technical field [0001] The invention relates to the technical field of tree pruning, in particular to a method for reducing the strength of artificial pruning and the degree of damage to trees and for directional control of crown shape. Background technique [0002] When trees in natural habitats grow to a certain stage, when the resources absorbed or synthesized by trees are difficult to meet the needs of all branches, natural pruning often occurs. Although landscaping trees also have natural pruning phenomenon, for various purposes such as beautification, wind protection, and growth control, it is often necessary to regularly carry out manual pruning of landscaping trees, and the workload of pruning is generally large. In the process of artificial pruning of landscaping trees, the usual practice is to remove a lot of larger branches, which will not only cause great damage to the original healthy trees, but also easily breed diseases and affect the growth of trees and life...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00
Inventor 李德志
Owner EAST CHINA NORMAL UNIV
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