Bud grafting method of Ulmus pumila cv.jinye in cool weather

A technique of elm elm and grafting, applied in botany equipment and methods, horticulture, application, etc., can solve problems such as easy to freeze to death or drain, insufficient lignification, difficult healing of grafted parts and scion germination, etc., to achieve graft healing Good, improve production efficiency, increase the effect of growth

Inactive Publication Date: 2009-07-08
HEBEI ACAD OF FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is just to provide a kind of grafting technique of cold sticky skin bud grafting of Ulmus chinenseensis, which solves the traditional grafting method whose grafting time is more than one month from early July to late August, and the seedlings to be grafted generally It can be used as semi-finished seedlings or germinate into young finished seedlings, and if the grafting time is too late, the grafted parts will not be easy to heal or the scion germination will not be fully lignified, and it is easy to freeze to death or dry out in winter

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. Select rootstock: use white elm biennial seedlings as rootstock.

[0018] 2. Bud selection and bud treatment: at the beginning of March, select the plump small side branches from the full branches of Ulmus chinensis, and cut off the 2-2.5cm skin with a grafting knife from the top 10-13cm of the side branches, without wood ;

[0019] 3. Grafting: Select a smooth part at a distance of about 11cm from the rootstock to the ground, cut off the tissue with the same size as the bud piece from top to bottom, connect the bud piece with the rootstock, and wrap the bud piece from top to bottom with a plastic cloth strip. Binding, only the bud eyes or small side branches are exposed, and the rest are tightly bound. The key to the operation is to select the size of the side branches of the scion. If the side branches are too thick, the side branches will not move when peeled, and the side branches are easy to come out from the skin, making bud extraction fail; , the bud skin is...

Embodiment 2

[0022] 1. Select rootstock: use white elm annual seedlings as rootstock.

[0023] 2. Bud selection and bud treatment: At the beginning of May, select the plump small side branches from the full branches of Ulmus sinensis, and use a grafting knife to cut off the 2-2.5cm skin of the side branches from about 1cm above the side branches, without wood;

[0024] 3. Grafting: Select a smooth part at a distance of 10-13cm from the rootstock to the ground, cut off the tissue with the same size as the bud piece from top to bottom, connect the bud piece with the rootstock, and use plastic cloth strips to seal the bud piece from top to bottom. Only the bud eyes or small side branches are exposed, and the rest are tightly bound. The key to the operation is to select the size of the side branches of the scion. If the side branches are too thick, the side branches will not move when peeled, and the side branches are easy to come out from the skin, making bud extraction fail; , the bud skin ...

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Abstract

The invention relates to a new Ulmus pumila cv.jinye bud grafting technique, in particular to an Ulmus pumila cv.jinye cold bark bud grafting technique capable of breeding seedlings in idle days in winter. The method employs a 'T'-shaped bud grafting method which is characterized by grafting in early March to early May (March 1 to May 10) to improve the growth amount of Ulmus pumila cv.jinye seedlings in the current year. The method solves the problems that the grafting time of the traditional grafting methods is in more than one month from early July to late August, the grafted seedlings can usually be taken as semi-finished seedlings or be germinated to grow into finished young seedlings, grafting positions do not easily heal or scion germination can not be fully lignified if the grafting time is too late, and the seedlings are easily frozen to death or drained.

Description

technical field [0001] The invention relates to a new bud grafting technology of Ulmus chinensis, in particular to a cold sticky skin bud grafting technology of Ulmus chinensis which can carry out seedling breeding in winter slack. Background technique [0002] Grafting is one of the methods of artificial vegetative propagation of plants. That is to graft the branches or buds of one plant onto the stem or root of another plant, so that the two parts connected together grow into a complete plant. Grafting is carried out by utilizing the ability of plants to heal after injury. During grafting, the cambiums of the two injured surfaces are brought close together and tightly bound together. As a result, due to cell proliferation, they heal each other and become a whole connected by vascular tissues. Grafting can be classified in many ways. According to the scion material can be divided into: ① branch grafting. It is mainly carried out during the dormant period, and it is the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 黄印冉张均营刘俊曲银鹏贾宗锴马孟良郝莉雁李璐
Owner HEBEI ACAD OF FORESTRY SCI
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