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Styrax hypoglauca grafting method

A white-flowered tree and rootstock technology, which is applied in the fields of economic forest cultivation and rapid propagation, can solve problems such as low survival rate, inability to breed high-quality seedlings in large quantities, and achieve the effects of enhancing germination ability, improving grafting survival rate, and ensuring vernalization time.

Inactive Publication Date: 2015-04-08
ZHEJIANG FORESTRY ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the traditional grafting method is used in the grafting of white flower trees, the survival rate is not high, and high-quality seedlings cannot be bred in large quantities, the present invention provides an improved grafting mode, that is, the spikes and rootstocks are processed in a time-sharing manner, and the spikes are collected at the end of February. Afterwards, the rootstocks were sealed with wax and refrigerated. The rootstocks were treated in early April, grafted immediately, and then bagged to keep them moist. This improved method has significantly improved the grafting rate and is suitable for mass breeding of high-quality white flower tree seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022] (1). Picking cuttings: before the germination of the white flower tree (February 22, 2010), collected 2-year-old small trees in the nursery of the Academy of Forestry without disease, with 2 buds, 14-16 cm in length, and 0.3-1.0 in diameter The annual branches on the upper part of the crown of the tree were used as scions, and 50 scions were collected in total.

[0023] (2). Wax-sealed and refrigerated scion: the harvested scion is trimmed and sealed with hot wax, then placed in a plastic bag and wrapped and sealed with moist absorbent cotton to make a scion, a total of 82 scions, placed in 0-8 Store in refrigerator for later use.

[0024] (3). Rootstock selection: In early April (April 8, 2010), 60 annual or biennial robust white flower trees were selected in the nursery of Zhejiang Academy of Forestry and divided into three groups with a ground diameter of 0.3 cm to 1.8 cm. cm, cut off the upper part, leaving 5-25 cm high branches as rootstocks.

[0025] (4). Grafti...

example 2

[0028] Example 2 (implemented in 2011)

[0029] (1). Take cuttings: before the germination of the white flower tree (February 23), collect the disease-free tree crown with 2 buds, a length of about 15 cm, and a diameter of about 0.3-1.0 cm. The upper annual branches were used as scions, and a total of 40 scions were collected.

[0030] (2). Wax-sealed and refrigerated scion: the harvested scion is trimmed and sealed with hot wax, then placed in a plastic bag and sealed with moist absorbent cotton to make a scion, a total of 50 scions, placed at 2-5°C Store in the refrigerator for later use.

[0031] (3). Take rootstocks: in early April (April 10), select 42 annual or biennial strong white flower tree rootstocks, divide them into two groups, cut off the upper part, and leave 10 -20 cm high branches as rootstock.

[0032] (4). Grafting scion: cut grafting method, use a grafting knife to cut a 1-2 cm short cut lengthwise on the upper end of the branch as the rootstock, cut the...

example 3

[0035] Example 3 (implemented in 2012)

[0036] (1). Picking cuttings: before the germination of the white flower tree (February 28), collect the disease-free, 2-bud, 14-16 cm long, and 0.3-1.0 cm diameter crown of the excellent tree No. 5 in the Xianju experimental site The upper annual branches were used as scions, and a total of 36 scions were collected.

[0037] (2). Wax-sealed and refrigerated scion: the harvested scion is trimmed and sealed with hot wax, then placed in a plastic bag and wrapped and sealed with moist absorbent cotton to make a scion, a total of 49 scions, placed at 2-5°C Store in the refrigerator for later use.

[0038] (3). Take rootstocks: select 46 annual or biennial strong white flower tree rootstocks in mid-April (April 18), divide them into two groups, cut off the upper part, and leave 10- 20 cm high branches as rootstock.

[0039] (4). Grafting scion: cut grafting method, use a grafting knife to cut a short opening of 1-2 cm longitudinally on th...

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PUM

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Abstract

The invention relates to the technical field of economical forest cultivation and rapid propagation and discloses a styrax hypoglauca grafting method with scion stock time separating treatment. The method includes: collecting scion before budding, sealing with wax and performing cold storage, taking stock, grafting scion, sleeving plastic bags for preserving moisture, and timely removing buds of stock when scion and stock bud to guarantee nutritional growth of scion buds. By the method, vernalization time of scion is guaranteed, budding capacity of scion is improved, stock vitality is guaranteed by delayed grafting, and withering of stock is reduced. By sleeving plastic bags for preserving moisture and removing stock buds, grafting survival rate is increased evidently, statistic average survival rate is above 67%, and mass propagation of styrax hypoglauca clone seedling is achieved.

Description

technical field [0001] The invention relates to the technical field of economic forest cultivation and rapid propagation, in particular to a method for grafting white flower trees by treating scion rootstocks at intervals. Background technique [0002] White flower tree, Latin scientific name Styrax tonkinensis, scientific name Vietnamese benzoin, dicotyledonous angiosperm Styracaceae benzoin genus Styrax. Tree, 6-30 meters high, conical crown, 8-60 cm DBH, bark dark gray or taupe, with irregular longitudinal cracks; branches slightly flattened, covered with brown hairs, become glabrous after growth, nearly cylindrical , dark brown. As a fast-growing timber tree species and woody oil tree species, the research on this tree species has also penetrated into cultivation management and vegetative rapid propagation. At present, seed propagation occupies a dominant position in the seedling cultivation of the white flower tree. The survival rate of the traditional grafting method...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06
Inventor 石从广
Owner ZHEJIANG FORESTRY ACAD
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