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Method for raising seedlings by grafting Sapium sebiferum twigs

A technology for grafting seedlings and Chinese tallow tree, which is applied in botany equipment and methods, horticulture, application, etc. It can solve the problems of not being able to maintain the excellent characteristics of good varieties, and achieve the effects of rich rootstock resources, simple and fast operation, and cost reduction

Inactive Publication Date: 2014-01-08
常州市林业工作站 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The propagation of Chinese tallow tree is mainly based on seed sowing and seedling raising, and the offspring of seed propagation are separated from each other, and the original excellent characteristics of the improved species cannot be maintained.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Prepare rootstock: in early spring, the 1-year-old Chinese tallow tree seedlings with a ground diameter of about 2 cm are cut off in the middle of the ground, so as to promote the germination of new shoots of Chinese tallow tree, and keep a strong new shoot for ten-term growth as a grafted rootstock;

[0016] (2) Picking scions: From mid-to-late May to early July, avoiding rainy days and high-temperature weather at noon, cut the semi-lignified branches of the year that are healthy and full of axillary buds from the sunny place in the middle and upper part of the Chinese tallow tree. To make scion, immerse the bottom of the branch in water or wrap it with a damp cloth. The scion should be picked as soon as it is picked, and the scion that cannot be picked on the same day should be stored in the refrigerator;

[0017] (3) Grafting and joining: select a rootstock roughly the same thickness as the scion and cut it off at 10 cm from the ground, leaving about 4 leaves at t...

Embodiment 2

[0020] (1) Prepare rootstock: in early spring, the 2-year-old Chinese tallow tree seedlings with a ground diameter of about 3 cm are cut off on the flat ground, so as to promote the germination of new shoots of Chinese tallow tree, and keep a strong new shoot for ten-term growth as a grafted rootstock;

[0021] (2) Picking scions: From mid-to-late May to early July, avoiding rainy days and high-temperature weather at noon, cut the semi-lignified branches of the year that are healthy and full of axillary buds from the sunny place in the middle and upper part of the Chinese tallow tree. To make scion, immerse the bottom of the branch in water or wrap it with a damp cloth. The scion should be picked as soon as it is picked, and the scion that cannot be picked on the same day should be stored in the refrigerator;

[0022] (3) Joining: choose the stock that is approximately the same in thickness as the scion and cut it off the ground at 15 cm, and leave about 6 leaves at the bottom ...

Embodiment 3

[0025] (1) Prepare rootstock: in early spring, the 2-year-old Chinese tallow tree seedlings with a ground diameter of about 4cm are cut off on the flat ground, so as to promote the germination of new shoots of Chinese tallow tree, and keep a strong new shoot for ten-term growth as a grafted rootstock;

[0026] (2) Picking scions: From mid-to-late May to early July, avoiding rainy days and high-temperature weather at noon, cut the semi-lignified branches of the year that are healthy and full of axillary buds from the sunny place in the middle and upper part of the Chinese tallow tree. To make scion, immerse the bottom of the branch in water or wrap it with a damp cloth. The scion should be picked as soon as it is picked, and the scion that cannot be picked on the same day should be kept in the refrigerator;

[0027] (3) Joining: choose the rootstock roughly the same as the thickness of the scion and cut it off the ground at 25 cm, and leave about 8 leaves at the bottom of the st...

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Abstract

The invention discloses a method for raising seedlings by grafting Sapium sebiferum and belongs to a vegetative propagation method for plants. The method comprises the following steps of: (1) preparing stocks; (2) taking scions; (3) cutting down the stocks and jointing; and (4) managing nursery stocks obtained after grafting. By the method, the excellent characteristics of appreciation and large fruit bearing amount of the Sapium sebiferum can be maintained, and the adaptability and stress resistance of the growth of the Sapium sebiferum are strengthened; and the stocks on which Sapium sebiferum twigs are grafted, and the scions are crispy and tender, and the operation such as stock shearing, scion cutting and the like are quick, simple and convenient, so the survival rate is improved by 20 to 40 percent compared with that of hard branch grafting.

Description

technical field [0001] The invention relates to a method for asexual propagation of woody plants, in particular to a method for grafting seedlings of Chinese tallow tree twigs. Background technique [0002] Sapium sebiferum (Sapium sebiferum) is a deciduous tree of the Euphorbiaceae Sapium genus. Its leaves are red and eye-catching in spring and autumn, and there are no red maples. It has a very high ornamental value. The wax on the outer coat of the seeds is called "sapium wax", which can be used to extract "skin oil". It is a unique energy and economic tree species in China. The propagation of Chinese tallow tree is mainly based on seed sowing and raising seedlings, and the offspring of seed propagation are separated in individual traits, which cannot maintain the original excellent characteristics of the improved species. In order to obtain seedlings with consistent genetic quality in production, it needs to be achieved through asexual reproduction methods such as graft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06
Inventor 倪竞德董筱昀张敏窦全琴蒋泽平蒋春黄利斌
Owner 常州市林业工作站
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