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Free-stock scion grafting seedling raising method for cyclocarya paliurus

A technology of grafting and lichen, which is applied to the field of root-branch grafting and raising seedlings of fenugreek, can solve the problems of incompatibility, low quality of seedlings, difficult survival of grafted fenugreek, and achieves strong affinity and high afforestation survival rate. , adaptive and resistant effects

Inactive Publication Date: 2018-11-16
NANJING FORESTRY UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems existing in the existing production, to provide a complete set of seedling raising methods for cultivating high-quality Cyclocarya paliurus container seedlings as rootstocks to carry out root grafting, which can quickly and efficiently cultivate rootstocks with strong affinity and strong root system. The well-developed, transplanted and transplanted survival rate is high, and the grafted seedlings of the fine variety Cyclocarya paliurus without slow seedling stage can effectively solve the problems that the grafting of Cyclocarya paliurus with other tree species as rootstocks is difficult to survive or not compatible in the later stage, and the quality of seedlings is not high. It is of great significance to promote the development of Qianliu's improved species and its industrialization

Method used

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  • Free-stock scion grafting seedling raising method for cyclocarya paliurus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: Grafting survival rate comparison of different stock and fringe combinations

[0033] Table 1 Comparison of graft survival rate of different rootstock and ear combinations

[0034]

[0035] As shown in Table 1, after 90 days of grafting, the graft survival rates of different rootstock and ear combinations were significantly different, and the graft survival rate of Cyclocarya paliurus as rootstock was the highest at 94.07%. The rates were 42.31% and 34.78%, respectively. The preservation rates in the second year of grafting were 92.10%, 26.92% and 18.26%, respectively, and the grafted seedlings with pecan and maple poplar as rootstocks grew poorly, and the preservation rate of grafted seedlings with Cyclocarya carya as rootstocks in the third year It was 92.10%, and the grafted seedlings of the remaining two rootstock and ear combinations all died.

Embodiment 2

[0036] Example 2: Spring cut

[0037] 1) In early spring, transplant the sprouts in a cylindrical non-woven bag with a diameter of 12 cm and a height of 16 cm after filling the soil. The substrate is yellow core soil: perlite: chicken manure: peat = 2:2:3:3, growing season Strengthen fertilizer and water management to promote rootstock diameter growth.

[0038] 2) In the spring of the following year, select strong container seedlings with a ground diameter > 1 cm as rootstocks, and make scions with fully lignified 1-year-old branches of Cyclocarya paliurus. beyond the heart. Gently peel off the skin on the side of the bud, and cut forward with a flat knife, so as to just peel off the skin layer, without cutting the xylem or a little bit of the xylem. Cut off the rootstock at a distance of 10 to 15 cm from the ground, flatten the section, and then longitudinally cut down between the xylem and phloem. It is better not to damage the xylem just after reaching the cambium, and th...

Embodiment 3

[0041] Example 3: spring skin tongue joint

[0042] 1) In early spring, transplant the sprouts in a cylindrical non-woven bag with a diameter of 12 cm and a height of 16 cm after filling the soil. The substrate is yellow core soil: perlite: chicken manure: peat = 2:2:3:3, growing season Strengthen fertilizer and water management to promote rootstock diameter growth.

[0043] 2) In the spring of the following year, select strong container seedlings with a ground diameter > 1cm as rootstock, and make scions with fully lignified 1-year-old branches of Cyclocarya paliurus, cut flatly at 1 cm above the scion buds, and cut the lower end of the scion into 4-5cm long Horse-ear-shaped inclined surface, one side cuts off the xylem, the cutting edge should be cut downwards at the beginning, beyond the pith, and then turned over to cut a knife, the thickness should be inserted tightly between the cortex and xylem of the rootstock without cracking the skin. Cut a knife on both sides of th...

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Abstract

The invention discloses a free-stock scion grafting seedling raising method for cyclocarya paliurus. The free-stock scion grafting seedling raising method comprises the steps: transplanting cyclocaryapaliurus seedlings in early spring by taking a non-woven bag as a container, cultivating stock seedlings, strengthening fertilizer and water management in a growing season, and carrying out pinchingtreatment to promote the diameter growth of stocks; carrying out scion grafting by selecting robust container seedlings as stocks and annual branches of cyclocarya paliurus as scions and adopting a cut-grafting or bark whip grafting method in spring of the next year, and finishing grafting within 1-2 weeks before a cyclocarya paliurus liquid flows; and managing grafted seedlings until the graftedseedlings leave from a nursery. By using the free-stock scion grafting seedling raising method, fine-variety cyclocarya paliurus grafted seedlings with strong stock and scion affinity, developed rootsystem and high transplanting survival rate and without rejuvenation period can be rapidly and efficiently cultivated, the problems that the cyclocarya paliurus grafted by taking other tree species asstocks at present is difficult to survive or has no affinity in the later period and the quality of nursery stocks is not high are virtually solved; and the free-stock scion grafting seedling raisingmethod is significant in realizing variety improvement of cyclocarya paliurus and promoting the industrial development of cyclocarya paliurus.

Description

technical field [0001] The invention relates to the technical field of plant vegetative propagation, in particular to a method for raising seedlings by root stock grafting of Cyclocarya paliurus. Background technique [0002] Cyclocarya is a plant of the Juglandaceae Cyclocarya genus. The cause and effect are like copper coins and the leaves are sweet, also known as "money tree" and "sweet tea tree". Cyclocarya paliurus is mainly distributed in 15 provinces (cities) of Jiangxi, Zhejiang, Anhui, Fujian, Hubei, Sichuan, Guizhou, Hunan, Guangxi, Chongqing, Henan, Shaanxi, Gansu and Yunnan in subtropical regions of my country. Cyclocarya paliurus mostly grows in mountains, valleys, forest margins, forests or limestone mountains at an altitude of 420-2500m. Cyclocarya paliurus is a unique single-species plant in my country. It is a precious tree species with multiple values ​​such as medicinal, health care, timber and ornamental. With the deepening of research and publicity and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30A01G24/15A01G24/20A01G24/28
CPCA01G2/30A01G24/15A01G24/20A01G24/28
Inventor 尚旭岚杨万霞洑香香方升佐
Owner NANJING FORESTRY UNIV
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