Top-grafting variety-change method of Prunus salicina Lindl. trees

A tree head and tree body technology, applied in the field of fruit tree grafting, can solve the problems of dampening the enthusiasm of fruit farmers to plant, difficulty in popularizing high-quality new varieties, and low survival rate of grafting, so as to achieve the effect of easy interface healing, favorable grafting survival, and enhanced healing speed

Pending Publication Date: 2021-07-09
POMOLOGY RES INST FUJIAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of high-grafting and planting replacement, factors such as grafting time, selection of scion and rootstock, grafting method, tree body and park management often lead to low graft survival rate, which brings huge economic losses to fruit farmers. The enthusiasm of fruit growers also makes it difficult to popularize some high-quality new varieties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Select 6-year-old plum trees, and carry out high-grain grafting and replanting in mid-to-late February when the temperature is 10-15°C. 10 days before grafting, half of the underground part of the rootstock was root-cut, and the root-cut part was 35 cm away from the top of the tree, and the ditch was 35 cm deep. Cut the rootstock branches short at 45cm above the ground, thin the thicker bark at the top 4cm of the rootstock until a cambium about 0.3cm thick remains; apply "Guoguang" wound healing agent on the section. Select the 1-year-old summer shoots with excellent varieties, pure and strong growth, which are fully developed, full of axillary buds, free of diseases and insect pests, and 0.7cm in diameter, as scions, and cut and wrapped with film; new branches are grafted by cuttings, and selected For the scion with 2 full buds, cut a 3cm-long section at the lower part opposite the terminal bud, then cut a 0.6cm-long short section at the back of the long section, cut a...

Embodiment 2

[0032]Choose 3-year-old plum trees, and carry out high-grain grafting and replanting in mid-to-late February when the temperature is around 10-15°C. 5 days before the grafting, half of the underground part of the rootstock was root-cut, and the root-cut part was 20 cm away from the top of the tree, and the ditch was 30 cm deep. Cut the rootstock branches short at 40cm above the ground, and thin the thicker bark at the top 3cm of the rootstock until a cambium about 0.1cm thick is left; apply "Guoguang" wound healing agent on the section. Select the 1-year-old autumn shoots with good varieties, pure and strong growth, which are well developed, full of axillary buds, free of diseases and insect pests, and 0.5cm in diameter as scions on the fruit trees, and cut and wrapped with film; graft new shoots with cuttings, and select For the scion with 2 full buds, cut a 3cm-long section at the lower part opposite the terminal bud, then cut a 0.6cm-long short section at the back of the lo...

Embodiment 3

[0035] Choose 8-year-old plum trees, and carry out high-grain grafting and replanting in mid-to-late February when the temperature is around 10-15°C. 15 days before grafting, half of the underground part of the rootstock was root-cut, and the root-cut part was 50 cm away from the top of the tree, and the ditch was 40 cm deep. Cut the rootstock branches short at 50cm above the ground, and thin the thicker bark at the top 5cm of the rootstock until a cambium about 0.5cm thick remains; apply "Guoguang" wound healing agent on the section. Select the 1-year-old autumn shoots with good varieties, pure and strong growth, which are fully developed, full of axillary buds, free of diseases and insect pests, and 1.0 cm in diameter as scions, and cut and wrapped with film; new branches are grafted by inserting skin grafting, and selected For a scion with 3 full buds, cut a 3cm-long section at the lower part opposite to the terminal bud, then cut a 0.6cm-long short section at the back of t...

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PUM

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Abstract

The invention provides a top-grafting variety-change method of Prunus salicina Lindl. trees, and belongs to the technical field of fruit tree grafting. The technical scheme of the top-grafting variety-change method comprises the following steps of: before spring grafting, carrying out root cutting on a stock, selecting the stock and a scion, carrying out thinning processing on the top end of the stock, smearing a wound healing agent, carrying out peel-insertion type grafting, and carrying out management after grafting. From the aspects of improving the growing power of the scion and the stock, regulating nutrient supply and increasing wound healing speed, a grafting survival rate is improved, tree body recovery time after grafting is shortened, a good branching capacity can be kept, early fruit bearing is realized, the economic loss of a fruit farmer is reduced, the cultivation enthusiasm of the fruit farmer can be motivated, and industrial development is accelerated.

Description

technical field [0001] The invention belongs to the technical field of fruit tree grafting, in particular to a method for high grafting and replanting of plum trees. Background technique [0002] Grafting is a commonly used asexual propagation method on fruit trees in recent years. It can not only effectively maintain the excellent traits of scion varieties, but also use the favorable characteristics of rootstocks to achieve early results, enhance cold resistance, drought resistance, and resistance to diseases and insect pests. The economic use of propagating materials and the increase of the number of seedlings are of great significance to the improvement of varieties and the improvement of economic value. [0003] Grafting is generally divided into root grafting, branch grafting and bud grafting. Plum trees are usually propagated by bud grafting, usually in spring and summer. According to the different growth years of the rootstock, it can be divided into low grafting and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G2/30
CPCA01G17/005A01G2/30
Inventor 周丹蓉叶新福林炎娟方智振陈文光潘少霖
Owner POMOLOGY RES INST FUJIAN ACAD OF AGRI SCI
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