Gingko seedling inverted bark inserting old tree root system rejuvenation method

A technology of ginkgo seedlings and inverted bark is applied in the fields of botanical equipment and methods, horticulture, application, etc., which can solve the problems of wasting resources, little effect, poor effect, etc., and achieves the effects of ensuring absorption, solving weakness, and improving soil environment.

Active Publication Date: 2014-11-05
SHANDONG AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a simple and effective method for the rejuvenation of ancient ginkgo trees to solve the problem of rejuvenation of ancient ginkgo trees that are seriously endangered, aiming at the cumbersome process, waste of resources and little effect in the traditional ginkgo ancient tree rejuvenation technology. Improve the defects of time-consuming, labor-intensive and poor results in traditional processes

Method used

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  • Gingko seedling inverted bark inserting old tree root system rejuvenation method
  • Gingko seedling inverted bark inserting old tree root system rejuvenation method
  • Gingko seedling inverted bark inserting old tree root system rejuvenation method

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Embodiment 1

[0026] Apply this technology to test on the ancient ginkgo in Dagushan Town, Rushan City, Shandong Province. Select the ancient ginkgo seedlings with good growth potential for 3-5 years as the rootstock tree, and use the inverted skin grafting technique at the end of the living root of the ancient ginkgo tree. , Use rootstock roots to absorb water and nutrients for ancient trees to achieve the purpose of rejuvenation. The implementation steps of the root system rejuvenation technology of ginkgo seedlings inserted upside down and ancient trees are as follows:

[0027] (1) Pretreatment of the growth environment of old trees before grafting

[0028] Before grafting, clean up the sundries around the ancient ginkgo, such as stones, bricks, cement, lime, weeds, sprouts, etc., and use a small hoe, claw hook and brush to remove the covering soil within the range of the tree crown, with a vertical depth of 0.5-1.5m. Ensure that the root system is suspended in the air, accurately locat...

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Abstract

The invention discloses a gingko seedling inverted bark inserting old tree root system rejuvenation method. Three to five year gingko seedlings which grow well, and are developed in root system and free of plant diseases and insect pests are selected as stocks, the ground diameter of the self-grown gingko seedlings is 1.5 cm to 2.5 cm, an improved inverted bark inserting grafting method is applied, that is, the stock seedlings are inserted into notches of old tree roots (cions), and the rejuvenation problem of old gingko trees which are seriously damaged and are effete in root system is solved. The method is based on the grafting principle, the phloem and cambiums of the stocks and the root systems of the old trees are in complete butt joint, the gingko seedling root system replaces a saved old gingko tree dead root system to absorb nutrients and water to meet the growing ends of the old trees, the defects that a traditional old tree rejuvenation technology is complex in process, wastes resources and has little effect are overcome, the effect on the old gingko trees which are seriously damaged and are basically effete in root system is obvious, the technology is applied to carrying out rejuvenation on the old gingko trees, and the method is easy and convenient to operate, effective and practical.

Description

technical field [0001] The invention belongs to the technical field of rejuvenation of ancient and famous trees, in particular to a method for rejuvenating roots of ginkgo seedlings by cutting bark of ancient trees. Background technique [0002] Ginkgo biloba (Ginkgo biloba L.), also known as ginkgo, is a special economic fruit tree that is rare and valuable. Ginkgo nuts are rich in nutrition, can be used as both medicine and food, health care and life extension; Ginkgo biloba medicinal products have special curative effect and are sold well in Europe and America; Ginkgo wood is fine and precious, durable; Once planted, benefit for thousands of years. The ancient ginkgo tree is a unique historical and natural landscape, as well as a precious germplasm resource bank and a precious material for studying plant evolution. [0003] With the expansion of the city, it has caused serious harm to the ecological environment, and the protection of ancient ginkgo trees is also facing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 邢世岩孙立民付兆军刘晓静
Owner SHANDONG AGRICULTURAL UNIVERSITY
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