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A method for larvae, rejuvenation and vegetative propagation of adult trees of Viburnum chinensis

A technique of vegetative propagation and viburnum, applied in vegetative propagation, botany equipment and methods, planting substrates, etc., can solve the problems of low reproduction coefficient, partial crown growth and decline of seedlings, and achieve large-scale reproduction and high reproduction coefficient , the effect of increasing the rooting rate

Inactive Publication Date: 2021-05-18
HUNAN ACAD OF FORESTRY
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Problems solved by technology

However, practice has proved that the seedlings bred by cuttings from the middle and upper branches of Pteropus chinensis have more serious partial crown and growth decline, and the tissue culture technology of Pteropus aeruginosa has not yet made a breakthrough, and at present, seedlings of Pteropus aeruginosa can only be sown and raised once a year , and affected by the germination rate and time and season, the propagation coefficient of tissue culture, grafting and conventional cutting is quite low, which seriously restricts the development of high-yield and high-efficiency cultivation of Viburnum

Method used

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Embodiment

[0025] A kind of method for young and rejuvenated and vegetatively propagated seedlings of Pterocarpus adult tree of the present invention, comprises the steps:

[0026] (1) Selection of excellent trees and root digging: select adult excellent trees with straight stems, no pests and diseases, and robust growth, and dig out those with a cross-sectional diameter of more than 0.3 cm and a length of more than 10 cm at a distance of 30 to 50 cm from the trunk. Tree roots, as mother plants for root tiller reproduction;

[0027] (2) Root burying treatment: cut the roots excavated in step (1) into cuttings of 10 to 12 cm in length, place them in potassium indolebutyrate solution (KIBA auxin) with a concentration of 200 ppm and soak them for 30 minutes, and the soaked The cuttings are buried in the nursery according to the top and bottom ends of the morphology, and callus tissue is formed in about 10 days, and the root tiller seedlings start to germinate in a large number in about 1 mo...

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Abstract

The invention discloses a method for juvenile rejuvenation and vegetative propagation and seedling raising of an adult pterygia tree. Cut the cuttings with a length of 10-12 cm, soak them in potassium indole butyrate solution, and then bury them in the nursery. Soak in the solution, then carry out cuttings, and select the cutting seedlings with a large number of roots for seedling hardening, transplanting, and afforestation on the mountain. The method of the present invention can solve the problems of partial crown aging and low rooting rate of trunks used in the breeding process of excellent clones of Pteropus chinensis, has the functions of young and rejuvenating, and the rooting rate of cuttings is greatly improved; it can be used many times a year Propagation, with high reproduction coefficient and large reproduction scale, is much more convenient and fast than current seed reproduction, and can rapidly reproduce a large number of Viburnum seedlings.

Description

technical field [0001] The invention belongs to the technical field of forest tree breeding, and in particular relates to a method for juvenile rejuvenation and asexual propagation of adult trees of Viburnum viburnum. Background technique [0002] Zenia insignis Chun is a deciduous tree belonging to the family Hematoxylin. It is mainly distributed in Guangxi, Guangdong, Hunan, Guizhou, Yunnan and other provinces (regions). It is now on the verge of extinction and is a national key protected plant. Viburnum grows very rapidly, and has strong resistance to barrenness and drought. Under medium site conditions, the annual average growth of diameter at breast height can reach 2.2cm, and the average annual growth of tree height can reach 1.5m. The wood is firm and densely grained, making it a fine wood of great value. The seeds can be extracted for oil and used in industries such as paint and soap. After the wood is soaked in water and dried in the shade, it can avoid insects, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/10A01G17/00A01G24/15A01G24/28
CPCA01G17/005A01G2/10A01G24/15A01G24/28
Inventor 童方平李贵刘振华陈瑞吴敏王栋言倜信
Owner HUNAN ACAD OF FORESTRY
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