Method for promoting grafting survival by reserving rootstock branches for shading

A technology of rootstock and branch retention, which is applied in the field of rootstock retention for shading and promoting grafting survival, to achieve the effects of preventing damage from strong winds, improving preservation rate, and enhancing protection

Inactive Publication Date: 2018-07-24
河北润丰林业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can not only improve the grafting survival rate of new sprouts of silk cotton wood, crabapple, elm and other tree species, but also does not affect the normal growth of rootstocks, and is easy to learn, greatly reduces labor costs, and solves the problem of the above-mentioned several tree species after grafting. question

Method used

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Embodiment Construction

[0016] The specific method process of the embodiment of the present invention is as follows:

[0017] (1) Select the mother plant: select a healthy rootstock mother plant with a DBH of 3-20 cm and no disease.

[0018] (2) Mother plant treatment: 3 to 5 branches are reserved in the southeast, south, and southwest directions below the grafting site. These reserved side branches will be used as shade branches for backup, and these branches will be 20- Cut off the part with a height above 50 cm, so as not to affect the growth of the scion due to too long branches; if there are no side branches on the main trunk of the rootstock, 3-5 strong branches should be selected from the newly sprouted branches of the rootstock as shade after the grafting is completed The branches are reserved, and the branches in the three main directions of southeast, south and southwest are also selected.

[0019] (3) Grafting: Graft the scion according to the method of bark grafting, and be careful not t...

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Abstract

The invention relates to a method for promoting grafting survival by reserving rootstock branches for shading. The method comprises the following steps: (1) selecting a stock plant: selecting a healthy and disease-free rootstock stock plant with a diameter at a breast height of 3-20 cm; (2) processing the stock plant: reserving 3-5 branches in southeast, south and southwest directions below a grafting part to be used as shading branches; (3) performing grafting: according to a bark inserting grafting method, grafting a scion, and paying attention to not damage the reserved branches of the rootstock; and (4) performing management after grafting: after the scion germinates, for a rootstock trunk which has no side branches or reserved shading branches when the stock plant is processed, selecting newly-germinated branches in southeast, south and southwest directions at the lower part of the grafted part in time to form shading branches, and removing excess rootstock branches to form favorable shading protection for the scion. The method provided by the invention provides appropriate shading conditions for grafted newly-germinated sprouts of the scion through scientifically reserving the rootstock branches, thereby improving a survival rate and preservation rate of seedling grafting.

Description

technical field [0001] The invention relates to a method for promoting survival of grafting by leaving branches of rootstock for shade. Background technique [0002] The usual spring grafting is usually mainly branch grafting, and the grafting time is mid-April, but after the grafting of silk cotton wood, crabapple, elm and other tree species, the time when the scion sprouts just enters early to mid-May, and the temperature often appears suddenly at this time. The rising situation lasts for about 30-40 days, and the new sprouts and shoots at this time are easily affected by the high temperature and burn, and then die, which seriously affects the production of seedlings. Under proper shading conditions, the scion can avoid direct sunlight and be protected in a small environment with a lower temperature formed by shading. After the new shoots grow normally to 2 months and the branches form lignification, they can resist the impact of high temperature. However, artificial shad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30
Inventor 黄晓旭樊彦聪刘易超冯树香闫淑芳闫玲陈丽英黄印朋代嵩华
Owner 河北润丰林业科技有限公司
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