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Embedded branch grafting method used for fruit tree bare stem branch supplement

A technology of inlaying grafting and fruit trees, which is applied in the field of branch management of fruit tree cultivation, can solve problems such as not densely bonded roots and spikes, not a method of patching bare branches, and slow healing of the interface, so as to improve the survival rate of grafting and save management costs , Improve the effect of healing speed

Active Publication Date: 2017-06-20
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For bald stems, there are only two traditional grafting methods available. One is to use xylem bud grafting in early September after autumn. Affected by the superiority of the top of the tree, germination is often slow in spring and is easily overwrapped by the bark of the rootstock, resulting in weak or no germination, so it is not a suitable method for patching bare branches; It can be divided into single-cut lap joint and V-shaped lap joint. Due to the large diameter of the bald trunk, the single-knife lap joint will almost cut off the trunk and cause the upper tree to lose its support. The scion can be inserted directly into the V-shaped incision
However, the V-shaped laparotomy still has its weakness that is difficult to overcome. Although it is less harmful to the trunk than the single-knife laparotomy, it still needs to make a large V-shaped incision, the deepest being more than 1 / 3 of the trunk diameter. The damaged part barely supports the upper tree body, the upper and lower transportation channels are severely damaged, and the severity of the damage to the bare trunk is obvious
There is also a bigger weakness of the V-shaped laparotomy joint, which is that the rootstock cambium is not in line-line contact, nor is it in line-surface contact. It has only 4 contact points. It can be seen that the contact area is extremely small. The problem it brings is the interface. The healing is slow, the survival rate is low, the joint between the stock and the scion is not dense and not firm, and bacteria can easily invade the joint from several gaps. After the surviving scion is unbound from the wrapping film, if it is not tied and supported in the same year, it is very easy to rot due to wind or touch. shedding death

Method used

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  • Embedded branch grafting method used for fruit tree bare stem branch supplement
  • Embedded branch grafting method used for fruit tree bare stem branch supplement
  • Embedded branch grafting method used for fruit tree bare stem branch supplement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1) Cut the annual scion branches from the mother tree in winter or early spring, and store them sealed in a cold storage or freezer at -4°C~-2°C for later use;

[0033] 2) When the fruit trees germinate in spring, extract the scion branches and cut the scion wax seal, leaving 3 buds for each scion with a diameter of 1.5 cm;

[0034]3) Use a hand electric drill to drill a hole in the grafting part of the bald stem, with a diameter of 1.2cm and a depth of 1.5cm. Use a sharp knife to remove the burrs along the upper edge. The angle between the column axis of the upper and lower centers of the hole and the main axis is 90°; if the main branch and other backbone branches are grafted, holes should be drilled at suitable positions on both sides of the bald trunk, and the axis of the circular hole column and the axis of the extension direction of the backbone branch should be clamped. The angle is 60°, and it is in the same plane as the natural oblique branches on the bare trun...

Embodiment 2

[0039] 1) Cut the annual scion branches from the mother tree in winter or early spring, and store them sealed in a cold storage or freezer at -4°C~-2°C for later use;

[0040] 2) When the fruit trees germinate in spring, extract the scion branches and cut the scion wax seal, leaving 3 buds for each scion with a diameter of 1cm;

[0041] 3) Use a hand electric drill to drill a hole in the grafting part of the bald stem, with a diameter of 0.8cm and a depth of 1.2cm. Use a sharp knife to remove the burrs along the upper edge. The angle between the column axis of the upper and lower centers of the hole and the main axis is 60°; if the main branch and other backbone branches are grafted, holes should be drilled at suitable positions on both sides of the bald trunk, and the axis of the circular hole column and the axis of the extension direction of the backbone branch should be clamped. The angle is 60°, and it is in the same plane as the natural oblique branches on the bare trunk,...

Embodiment 3

[0046] 1) Cut the annual scion branches from the mother tree in winter or early spring, and store them sealed in a cold storage or freezer at -4°C~-2°C for later use;

[0047] 2) When the fruit trees germinate in spring, extract the scion branches and cut the scion wax seal, leaving 3 buds for each scion with a diameter of 0.8cm;

[0048] 3) Use a hand electric drill to drill a hole in the grafting part of the bald stem, with a diameter of 0.6cm and a depth of 1cm. Use a sharp knife to remove the burrs along the upper edge. The angle between the column axis of the upper and lower centers of the circle and the main axis is 75°; if the main branch and other backbone branches are grafted, holes should be drilled at suitable places on both sides of the bald trunk, and the angle between the column axis of the round hole and the axis of the extension direction of the main branch 60°, and on the same plane as the natural oblique branches on the bare trunk, avoid grafting on or under ...

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Abstract

The invention discloses an embedded branch grafting method used for fruit tree bare stem branch supplement, and relates to a branch management method for fruit tree cultivation. The embedded branch grafting method is used for bare stem branch supplement of a fruit tree and grafting, main shoot change and variety replacement of a big tree. The method is easy to understand, a scion adopts a mode of one peg and one tongue, a grafting opening combines electric drill puncturing and T-shaped bark opening, after the scion is embedded, not only is a stock-scion very firm before the grafting opening heals, but also large-area contact of a stock-scion forming layer with three planes and five lines can be achieved, the grafting opening healing speed is drastically increased, the scion can quickly and comprehensively blend with a stem, therefore, not only are the grafting survival rate and the success rate of tree body transformation drastically increased, but also labor for binding and supporting a scion branch is saved, accordingly the management cost is drastically saved, not only bark can be separated in spring, but also various stemmed fruit trees can be universally applicable, and the method has more important significance particularly for stone fruit trees such as cherries, peaches and the like of which wound are likely to shed pectin.

Description

technical field [0001] The invention relates to a branch management method for fruit tree cultivation, in particular to a branch grafting method for repairing bare branches of fruit trees. Background technique [0002] For all kinds of fruit trees that can peel off the skin and have stems in spring, there are currently 15 grafting methods in production, namely T-shaped budding, xylem budding, embedded budding, sticking budding, square budding, twig grafting, double tongue grafting, and split grafting. , Insert skin connection, plug connection, cut connection, laparotomy connection, lap connection, joint connection, bridge connection. For bald stems, there are only two traditional grafting methods available. One is to use xylem bud grafting in early September after autumn. Affected by the superiority of the top of the tree, germination is often slow in spring and is easily overwrapped by the bark of the rootstock, resulting in weak or no germination, so it is not a suitable ...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 孙洪雁孙清荣曲健禄
Owner SHANDONG INST OF POMOLOGY
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