Method for repairing root system injury of rare old tree

A restoration method and tree technology, applied in the field of forest restoration, can solve problems such as the lack of scientific and effective restoration methods, the impact on the healthy growth and development of trees, and the difficulty in normal function of the root system, etc., to achieve the continuation of landscape symbolic significance, obvious scientific research value, and vitality Recovery effect

Inactive Publication Date: 2012-07-04
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But sometimes, when the root system of a tree is damaged by root diseases and insect pests or serious human injury, it is difficult for the root system to function normally, and the healthy growth and development of the tree will also be affected.
If effective technical measures cannot be taken in time to save and rejuvenate, the trees may not escape the bad luck of death
Especially for rare or ancient trees that have unique landscape value, cultural value, scientific research value, and are in urgent need of protection, it is very necessary to take scientific and effective protection measures to keep them alive and to continue their unique value. So far, there is no corresponding scientific and effective repair method

Method used

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  • Method for repairing root system injury of rare old tree
  • Method for repairing root system injury of rare old tree
  • Method for repairing root system injury of rare old tree

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Take the camphor tree growing in a scenic spot in Shanghai as an example; its age is 400 years, its height is 25 meters, its trunk diameter is 100 cm, and its crown diameter is 15 meters; the recipient tree is a 10-year-old camphor tree with a tree height of 10 meters and a trunk diameter of 12 cm , crown diameter 5 meters;

[0027] The method of grafting the lateral roots of the recipient tree and the donor tree is used to repair the root system function of the damaged recipient tree, which specifically includes the following steps:

[0028] a) Determine the repair plan: confirm that the ancient trees are in a weak growth state due to root damage. After checking, the root system of the ancient trees is damaged, and the damage degree of one side of the root system is moderate. The repair plan determined according to the degree of damage is the repair of a single lateral root, and the timing of repair Choose spring.

[0029] b), transplanting the donor tree: according t...

Embodiment 2

[0034] Take the ginkgo tree growing in a scenic spot in Shanghai as an example; the tree is 500 years old, the tree height is 28 meters, the trunk diameter is 120cm, and the crown diameter is 18 meters; the recipient tree is a 10-year-old ginkgo tree, the tree height is 11 meters, and the trunk diameter is 13cm , crown diameter 7 meters;

[0035] The method of grafting the lateral roots of recipient trees and multiple donor trees is used to restore the root system function of the damaged recipient trees, which specifically includes the following steps:

[0036]a) Determine the repair plan: confirm that the ancient trees are in a state of weakened growth due to root damage. After investigation, it is confirmed that the root systems of the ancient trees are damaged in many places. Among them, the damage degree of the root system on the east and west sides is moderate, and the repair plan determined according to the degree of damage is multiple. For the repair of lateral roots, t...

Embodiment 3

[0042] Take the Pistacia chinensis growing in a scenic spot in Shanghai as an example; its age is 550 years, the tree height is 29 meters, the trunk diameter is 130cm, and the crown diameter is 20 meters; the recipient tree is 10-year-old Pistacia chinensis, the tree height is 10 meters, and the trunk diameter is 12cm , crown diameter 6 meters;

[0043] The root system function of the damaged recipient tree is repaired by grafting the scion between the root system of the recipient tree and the donor tree, which specifically includes the following steps:

[0044] a) Determine the repair plan: confirm that the ancient trees are in a weak growth state due to root damage. After investigation, it is confirmed that the roots of the ancient trees are damaged in many places, focusing on the southeast and northwest sides. The degree of damage is serious. The repair plan determined according to the degree of damage is For the repair of all root systems, the time for repair is spring.

...

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Abstract

The invention aims to solve the problems in the prior art and provides a method for repairing root system injury of a rare old tree. In the method, the old tree serves as a receptor tree, the root system of the receptor tree and the root system of a donor tree are grafted, and the root system of the donor tree conveys nutrients, water and minerals to the root system of the receptor tree, so that the root system of the receptor tree can revive and rejuvenate. According to the position and degree of root system injury of the receptor tree, the repair plan may be single-lateral root repair, multi-lateral root repair or whole root system repair. By the repair method, the vitality of the old tree is restored and the old tree grows more vigorously. The method achieves the effect of in-situ saving and rejuvenation repair of old trees, helps to retain unique landscape marking significance and historical and cultural significance carried by the old trees, and is significant in scientific research values, ecological benefits, economic benefits and social benefits.

Description

technical field [0001] The invention relates to the technical field of tree restoration, in particular to a restoration method for root system damage of rare ancient trees. Background technique [0002] Precious and rare ancient trees are a beautiful and iconic landscape in the garden, carrying historical and cultural significance, and also have scientific research value, and are rare and important specimens. A healthy and well-functioning tree root system is one of the necessary prerequisites for healthy tree growth. But sometimes, when the root system of a tree is damaged due to factors such as root diseases and insect pests or serious human injury, it is difficult for the root system to function normally, and the healthy growth and development of the tree will also be affected. If effective technical measures cannot be taken in time to save and rejuvenate, the trees may die. Especially for rare or ancient trees that have unique landscape value, cultural value, scientifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 李德志秦艾丽李经纶
Owner EAST CHINA NORMAL UNIV
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