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Method for hardwood cutting propagation of Gleditsia sinensis

The technology of hard branch cutting and acacia locust is applied in the field of hard branch cutting propagation of Acacia locust, which can solve the problems of easy degradation of seed reproduction and high cost of grafting reproduction, and achieve the effects of accelerated reproduction speed, low cost and fast rooting.

Active Publication Date: 2015-10-14
河南省林业科学研究院
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that the existing seed propagation is easy to degenerate, and the cost of grafting propagation is high. In order to solve the existing technical problems, a method for the propagation of acacia hardwood cuttings is provided, which is simple and easy to implement and has low production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for propagation of honey locust hardwood cuttings, comprising the steps of:

[0022] (1) Cutting time: mid-March to late March;

[0023] (2) Preparation of cuttings: Select 3-5 years old, no pests and diseases, and annual fully lignified branches with a diameter of 0.8-1.0 cm on the strong mother tree as cutting materials, cut the length to 8-10 cm, and keep 2-3 buds. The biological lower end is trimmed into an oblique cut surface, and the biological upper end is trimmed into a flat cut surface. The upper cut is 1.0cm from the bud, and the lower cut is 1.0cm from the bud. A bundle of 25 cutting materials is bundled into a cutting bundle. The biological lower end of all cutting materials is located on the cutting. One end of the bundle, the biological upper end of all cutting material is located at the other end of the cutting bundle;

[0024] (3) Seedbed preparation: In the cutting pool of the greenhouse, first spread river sand with a thickness of 3~4cm, th...

Embodiment 2

[0032] A method for propagation of honey locust hardwood cuttings, comprising the steps of:

[0033] (1) Cutting time: mid-March;

[0034] (2) Preparation of cuttings: select annual fully lignified branches with a diameter of 0.8cm on a 3-5-year-old, disease-free, and robust mother tree as cutting materials, cut to a length of 8-10cm, and retain 2-3 buds, biological The lower end is trimmed into an oblique cut surface, and the angle between the oblique cut surface and the horizontal plane is 45°; the biological upper end is trimmed into a flat cut surface, the upper incision is 1.0~1.5cm away from the bud, and the lower incision is 1.0~1.5cm away from the bud, according to 20~30 cuttings. Bundle into a bundle of cuttings, the biological lower end of all cutting materials is located at one end of the cutting bundle, and the biological upper end of all cutting materials is located at the other end of the cutting bundle;

[0035] (3) Seedbed preparation: In the cutting pool of...

Embodiment 3

[0042] Except adopting indole acetic acid aqueous solution as growth regulator in the plant growth regulator treatment process, the concentration of indole acetic acid aqueous solution is 0.5g / L, all the other are the same as embodiment 2.

[0043] The root primordia appeared after 20 days of cutting, a large number of roots took place after 33 days, and the root system developed after 55 days. The number of rooted cuttings / total number of cuttings) was 88%, and the transplanting survival rate (number of surviving seedlings / total number of seedlings) was 92%.

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Abstract

The present invention relates to a method for hardwood cutting breeding of Gleditsia sinensis. The method comprises: selection of an appropriate cutting time, cutting preparation, seedbed preparation, cutting treatment, cutting techniques, post-cutting management and seedling transplantation. According to the method for hardwood cutting breeding of Gleditsia sinensis provided by the present invention, the cuttings take root rapidly, induce more roots and grow more branches; the survival rate of cuttings is high; and the rooting rate of cuttings is equal to or greater than 85%. The method is capable of shortening the rooting time of cuttings and solving technical challenges of hardwood cutting propagation of Gleditsia sinensis.

Description

technical field [0001] The invention belongs to the technical field of plant vegetative propagation, and in particular relates to a cutting propagation method of acacia hardwood. Background technique [0002] Gleditsia sinensis, also known as Gleditsia sinensis or Gleditsia sinensis, belongs to the genus Gleditsia of the family Fabaceae (Caesalpinioideae). About 12 species are distributed in America, Asia and tropical Africa. There are 10 species in China, distributed in all provinces, and 4 species in North China. [0003] Honey locust likes light, has deep roots, and has strong drought tolerance. It likes to be born in fertile and deep soil, and has no strict requirements on soil quality. Distributed in Hebei, Shandong, Henan, Shaanxi, Shanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Hunan, Hubei, Fujian, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other provinces and regions, growing in forests or roadsides on hillsides, The altitude distribution ranges from fla...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 刘艳萍范定臣马群智祝亚军翟晓巧曾辉王慈民王静洲霍保民
Owner 河南省林业科学研究院
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