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Camellia oleifera large tree shoot grafting method

A technology of large trees and Camellia oleifera, which is applied in the field of grafting in the process of changing the crown of a large Camellia oleifera tree or grafting a Camellia oleifera tree, which can solve the problems of dry and cracked rootstock of Camellia oleifera, low survival rate of grafting, and difficulty in complete healing of grafted parts, etc. , to achieve the effect of solving dry and cracking rootstocks, improving the survival rate of grafting, and solving the effects of dry and cracking rootstocks of Camellia oleifera

Inactive Publication Date: 2014-01-22
桂林市林业科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the grafting process of camellia oleifera or camellia for the crown replacement of large trees, grafting is carried out directly on the large branches of camellia oleifera (rootstock), using methods such as skin grafting, cutting grafting, and skin tearing and inlaying. The characteristic of this method is that the grafting The rootstocks in these parts are relatively thick, and the common problems after grafting are: first, the survival rate of grafting is low; second, it is difficult to completely heal the grafted parts; Died; Fourth, it is not easy to re-graft after the first grafting failed, and it is difficult to survive after re-grafting

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The steps of the Camellia oleifera big tree new branch grafting method provided by the invention are:

[0028] 1) Choose a Camellia oleifera tree plant with good growth, about 10 years old, and a trunk diameter of about 2cm at the grafting site as the grafting object;

[0029] 2) Cut off the Camellia oleifera rootstock at the part to be grafted with a saw in late winter and early spring before the Camellia oleifera tree sprouts;

[0030] 3) From March when the camellia oleifera tree germinates, the plants with good growth will germinate many bud strips on the cut trunk, and only keep the 2 bud strips closest to the cut, and remove all the remaining buds;

[0031] 4) After sprouting and growing into lignified new branches, grafting is carried out, and the grafting time is selected in the first ten days of August in autumn. At this time, the newly germinated branches have grown to about 0.3 cm in diameter.

Embodiment 2

[0033] The steps of the Camellia oleifera big tree new branch grafting method provided by the invention are:

[0034] 1) Choose a Camellia oleifera tree plant with good growth, about 15 years old, and a trunk diameter of about 3cm at the grafting site as the grafting object;

[0035] 2) Cut off the camellia rootstock at the part to be grafted with a saw in late winter and early spring before the Camellia oleifera tree sprouts;

[0036] 3) Starting from March when the camellia oleifera tree germinates, the plants with good growth will germinate many bud strips on the cut trunk, and only keep the 3 bud strips closest to the cut, and remove all the remaining buds;

[0037] 4) After sprouting and growing into lignified new branches, grafting is carried out. The grafting time is in late August in autumn, when the newly germinated branches have grown to a diameter of about 0.4cm.

Embodiment 3

[0039] The steps of the Camellia oleifera big tree new branch grafting method provided by the invention are:

[0040] 1) Choose a Camellia oleifera tree plant with good growth, about 20 years old, and a trunk diameter of about 4cm at the grafting site as the grafting object;

[0041] 2) Cut off the camellia rootstock at the part to be grafted with a saw in late winter and early spring before the Camellia oleifera tree sprouts;

[0042] 3) Starting from March when the camellia oleifera tree germinates, the well-growing plants will germinate many bud strips on the cut trunk, and only keep the 4 bud strips closest to the cut, and remove all the remaining buds;

[0043] 4) After sprouting and growing into lignified new branches, grafting is carried out. The grafting time is mid-September in autumn, when the newly sprouted branches have grown to a diameter of about 0.5cm.

[0044] In the above steps, the selection of cuttings: select the outer middle and upper part of the canopy t...

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Abstract

The invention belongs to the technical field of forestry production, and relates to a camellia oleifera large tree shoot grafting method, in particular to a grafting method used in the crown changing process of camellia oleifera and the camellia grafting process of the camellia oleifera. The camellia oleifera large tree shoot grafting method includes the following steps of firstly, selecting the camellia oleifera with good growth vigour as a grafting rootstock; secondly, cutting off branches at the upper portion of the portion to be grafted and reserving branches at the lower portion of the portion to be grafted at the end of winter and the beginning of spring and before the camellia oleifera sprouts; thirdly, reserving two to four buds closest to a cut section and removing the rest of buds after the camellia oleifera sprouts; fourthly, cutting off the position, 2cm to 3cm away from the bud position, of a shoot to conduct grafting after the buds of the shoot grow into lignified branches, and completing the grafting process, wherein the grafting time is in autumn. According to the camellia oleifera large tree shoot grafting method, the grafting survival rate is improved, the problem that the rootstock is dry, cracks and is not long in service life after grafting survival is achieved is solved, and grafting can be conducted again on the basis that the primary grafting survival is not achieved.

Description

technical field [0001] The invention belongs to the technical field of forestry production, and in particular relates to a grafting method applied in the crown replacement of a camellia oleifera tree or the grafting of camellias from a camellia oleifera tree. Background technique [0002] At present, in the grafting process of camellia oleifera or camellia for the crown replacement of large trees, grafting is carried out directly on the large branches of camellia oleifera (rootstock), using methods such as skin grafting, cutting grafting, and skin tearing and inlaying. The characteristic of this method is that the grafting The rootstocks in these parts are relatively thick, and the common problems after grafting are: first, the survival rate of grafting is low; second, it is difficult to completely heal the grafted parts; Death; the fourth is that it is not easy to make up after the first grafting fails, and it is difficult to survive after making up. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 张敏李晓铁陈江平宋西娟杜忠
Owner 桂林市林业科学研究所
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