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Method for increasing fruit nursery stock grafting survival rate and uniformity degree

A technology of survival rate and uniformity, applied in the field of grafting, can solve the problems of complicated work, inability to meet the needs of fruit tree seedling grafting, and high production costs

Inactive Publication Date: 2016-08-24
INST OF FRUIT & FLORICULTURE RES GANSU ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are problems such as easy pollution and bud damage when using paint sealing, and there are problems such as poor temperature control and difficult operation when using paraffin sealing
The above two methods generally have the technical problems of complicated work and high production costs, and the survival rate and uniformity of the saplings are greatly affected, which cannot meet the needs of fruit tree seedling grafting.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Jingtai County, Baiyin City experimented with grafting 4000 Duli pear seedlings, using the following methods:

[0022] A, in the winter fruit tree dormancy period, choose a fruit tree that grows robustly and does not have branch diseases as the mother plant, and cuts the peripheral branches of the crown of the mother plant as the scion branches for subsequent use. The branches are 1-1.5cm thick and 50cm long.

[0023] B. Cut oblique cuts at the rootstock 20cm from the ground. The oblique cuts are at an angle of 50° to the horizontal direction. One side of the top of the oblique cuts is obliquely incised into a 3cm-long scion mouth. The scion mouth is at an angle of 15° to the vertical direction. ;

[0024] C, the scion branch in step A is earlier divided into 4cm subsections, and then the scion subsection one end is cut out long and short two oblique incisions, the scion end of cutting is wedge-shaped, and the length of two oblique incisions is respectively 2cm and 3cm,...

Embodiment 2

[0028] Tiaoshan Agricultural Reclamation Group has grafted 30,000 Du pear seedlings in the experimental grafting seedling nursery, using the following methods:

[0029] A, in the winter fruit tree dormancy period, choose a fruit tree that grows robustly and has no branch diseases as the mother plant, and cuts the peripheral branches of the crown of the mother plant as the scion branches for subsequent use. The branches are 1-1.5cm thick and 70cm long.

[0030] B. Cut obliquely at the rootstock 30cm from the ground. The angle between the oblique incision and the horizontal direction is 60°. One side of the top of the oblique incision cuts obliquely inward a 3cm-long scion mouth. The scion mouth and the vertical direction form an angle of 20°. ;

[0031] C, the scion branch in step A is first divided into 5cm subsections, then the scion subsection one end is cut out long and short two oblique incisions, the scion end of cutting is wedge-shaped, and the length of the two oblique ...

Embodiment 3

[0035] 100,000 pear seedlings were tested and grafted in Liangzhou District, Wuwei City, and the following methods were adopted:

[0036] A, in the winter fruit tree dormancy period, select a fruit tree that grows robustly and does not have branch diseases as the mother plant, and cuts the peripheral branches of the crown of the mother plant as scion branches for subsequent use. The branches are 1-1.5cm thick and 60cm long.

[0037] B. Cut oblique cuts at the rootstock 25cm from the ground. The oblique cuts are at an angle of 55° to the horizontal direction. The top side of the oblique cuts is obliquely incised into a 3cm-long scion mouth. The scion mouth is at an angle of 18° to the vertical direction. ;

[0038] C, the scion branch in the step A is earlier divided into 4.5cm subsections, then the scion subsection one end is cut out long and short two oblique incisions, the scion end of cutting is wedge-shaped, and the length of two oblique incisions is respectively 2cm and 3...

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Abstract

The invention relates to the technical field of grafting, in particular to a method for improving the survival rate and uniformity of fruit tree seedling grafting. This grafting method can reduce the splitting of the trunk, reduce the size of the wound, reduce the time for callus formation, and increase the degree of healing; the grafting joint and the upper scion are wrapped with a white 0.01mm polyethylene film, which can reduce the loss of water in the scion itself and increase the degree of healing. The water evaporated from the rootstock wound can be used to create a reasonable temperature and humidity environment, so as to improve the survival rate and uniformity of fruit tree seedling grafting. The invention provides to improve the survival rate of fruit tree grafting.

Description

technical field [0001] The invention relates to the technical field of grafting, in particular to a method for improving the survival rate and uniformity of fruit tree seedling grafting. Background technique [0002] Fruit tree grafting is a conventional method for the cultivation and propagation of fruit trees, that is, to take branches or buds on a good plant and connect them to another plant, so that the two are combined to form a new plant. The grafted plants can not only maintain the advantages of the original mother plant but also take advantage of the unique characteristics of the rootstock, such as plant resistance, early fruiting, high yield and so on. In the production of fruit trees, branch grafting and bud grafting are generally used, which are carried out twice a year from March to early April and mid-to-late September. Generally, it takes about half a month to form callus after grafting. During this period, the scion depends on The nutrition stored by itself c...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G1/06
CPCA01G17/005A01G2/30
Inventor 赵明新李红旭孙文泰王玮曹刚曹素芳
Owner INST OF FRUIT & FLORICULTURE RES GANSU ACADEMY OF AGRI SCI
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