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Cuttage propagation method for twig of cyclocarya paliurus

A technology for young branch cuttings and young branches, which is applied in the field of cutting propagation of young branches of willow lilac, can solve the problems of difficult to achieve high yield and high quality of the group, different growth phenotypes, etc., and achieves ensuring good quality, short seedling time, and consistency. Effect

Inactive Publication Date: 2012-10-03
NANJING FORESTRY UNIV
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AI Technical Summary

Problems solved by technology

At present, the natural propagation method of seeds is still used for sowing seedlings in production, but because of the diversity of seedling genetic materials, the growth phenotypes after afforestation are different, and it is difficult to achieve the goal of high yield and high quality of the population

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) In mid-March, 2009, select 1-2-year-old robust seedlings from the seedlings to promote germination, with a height of 20-30 cm, and cultivate mother trees that provide twigs and cuttings;

[0017] (2) In the first ten days of June, cut 10-15cm long semi-lignified shoots from the fringe-picking mother tree, keep 5-6 leaflets in the upper part, and cut the lower ends of the branches into oblique shapes;

[0018] (3) Weigh the indole butyric acid powder before cutting the cuttings, dissolve it with a small amount of alcohol, and make a 600mg / L solution with distilled water, then add talcum powder to make a paste, and cut it in step (1). Dip the 3-4cm lower end of the cuttings into indole butyric acid paste rooting agent;

[0019] (4) The cutting light matrix component is a mixture of fully carbonized pine bark and sawdust, the ratio of which is 5:1, filled with non-woven fabric, cut into 15cm sections and placed in a plastic frame with a length of 50cm×width 50cm×depth ...

Embodiment 2

[0023] (1) In mid-April 2010, select 1-2-year-old robust seedlings from the seedlings to truncate to promote germination. The truncation height is 20-30cm, and cultivate mother trees that provide twigs and cuttings;

[0024] (2) In the first ten days of August, cut 10-15cm long semi-lignified shoots from the fringe-picking mother tree, keep 5-6 leaflets in the upper part, and cut the lower ends of the branches into oblique shapes;

[0025] (3) Weigh the indole butyric acid powder before cutting the cuttings, dissolve it with a small amount of alcohol, and make a 600mg / L solution with distilled water, then add talcum powder to make a paste, and cut it in step (1). Dip the 3-4cm lower end of the cuttings into indole butyric acid paste rooting agent;

[0026] (4) Cutting light matrix components are fully carbonized pine bark and sawdust mixture, the ratio is 5:1, filled with non-woven fabric, cut into 15cm sections and placed in a plastic frame with a length of 50cm×width 50cm×de...

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Abstract

The invention provides a cuttage and propagation method of a twig of cyclocarya paliurus, which comprises the following steps: (1) cutting trunks and promoting the germination of a scion seed tree from the middle ten days of March to the middle ten days of April; (2) cutting a semi-lignified twig as a cutting spike from the first ten days of June to the first ten days of August, wherein the length of the twig is 10cm to 15cm, 5 to 6 small leaves are remained at the upper part of the twig, and the lower end of the twig is cut into oblique section; (3) dipping 500mg / L to 800mg / L of paste-like root growing agent of indolebutyric acid at the positions of 3cm to 4cm of the lower end of the cutting spike; (4) inserting the cutting spike in a light substrate consisting of carbonized pine bark and sawdust, wherein the cuttage depth is 4cm to 5cm; and (5) shading the cutting spike by a black sunshade net with the shading degree of 50% to 70% after the cuttage, and spraying and moisturizing thecutting spike by adopting an intermittent spraying method. 60 days after the cuttage, the rooting rate reaches over 80%. The method is simple and practical to operate and is suitable for large-scale cuttage; seedlings can effectively keep the excellent inherited characteristics of the seed tree; moreover, the effect of the quick vegetative propagation of improved seeds can be achieved.

Description

technical field [0001] The invention relates to a method for cutting and propagating tender branches of Cyclocarya paliurus, belonging to the technical field of plant asexual propagation. Background technique [0002] Cyclocarya paliurus is a unique single-species genus plant in my country. It has various values ​​such as medicine, health care, material and ornamental. It is a tree species with great development and utilization prospects. Existing natural forest stands are scattered in deep mountain old forests and some nature reserves. At present, the natural propagation method of seeds is still used for sowing seedlings in production, but because of the diversity of seedling genetic materials, the growth phenotypes after afforestation are different, and it is difficult to achieve the goal of high yield and high quality of the population. Using the cutting propagation technology of Cyclocarya paliurus twigs can cultivate a large number of excellent clonal seedlings, realiz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G31/00
Inventor 王小宁方升佐尚旭岚谌红辉
Owner NANJING FORESTRY UNIV
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