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Rapid propagation method of excellent male strains of fraxinus chinensis

A kind of ash, an excellent technology, applied in horticultural methods, botanical equipment and methods, horticulture and other directions, can solve the problems of the potential degradation of ash fine varieties, low rooting rate of cuttings, poor growth of seedlings, etc., to shorten the breeding production cycle and supply seedlings. Short cycle and the effect of shortening the seedling cycle

Pending Publication Date: 2019-05-17
LUDONG UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conventional white wax propagation method is mainly based on sowing and raising seedlings. The seedlings grown are not good and uneven, and there is a tendency for variation to increase with the increase in the number of reproduction generations, which degrades and covers the potential of good varieties of white wax. Short supply of seedlings
In addition, the seedlings bloom after 3-4 years, and it takes time and effort to select male plants in the seedlings by conventional methods
At present, there are no successful reports on the large-scale seedling cultivation of white wax hard branch cuttings and green branch cuttings. The main reason is that the rooting rate of cuttings is extremely low.

Method used

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  • Rapid propagation method of excellent male strains of fraxinus chinensis
  • Rapid propagation method of excellent male strains of fraxinus chinensis
  • Rapid propagation method of excellent male strains of fraxinus chinensis

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Embodiment Construction

[0026] A method for rapid propagation of white wax male elite strains, comprising the following steps: (1) period for picking white wax explants

[0027] Under greenhouse conditions, the stem tips and stem sections of potted plants should be taken before April 20. After April 20, the stem tips of white wax tend to stop growing and capping occurs, and most of the branches begin to semi-lignified. When the shoot tip was inoculated on the sterile medium, its growth potential was weak and the growth rate was slow.

[0028] Under field conditions, it is not easy to obtain the stem tip of Baixa at a very early stage. The shoot tip is too young after germination. After sterilization with 75% alcohol and 0.1% mercuric chloride, the survival rate of the shoot tip is very low. Under field conditions, the best time to collect the stem tip and stem section of Baixa is in mid-May, with a high survival rate and strong growth potential of the shoot tip.

[0029] (2) Disinfection and sterili...

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Abstract

The invention discloses a rapid propagation method of excellent male strains of fraxinus chinensis. The method comprises steps as follows: obtaining of fraxinus chinensis explants; disinfection and sterilization of the fraxinus chinensis explants; screening of stem tip and stem segment proliferation media of the fraxinus chinensis; screening of rooting medium of the fraxinus chinensis; domestication and transplanting of fraxinus chinensis test-tube plantlets. With the adoption of the method, propagation coefficient of the male plants of the fraxinus chinensis is greatly increased, seedling cycle is shortened, meanwhile, excellent characteristics of the male plants of the fraxinus chinensis are reserved, excellent effects of stable inheritable characters, high proliferation speed and high propagation coefficient are realized, and technical guarantee and support are provided for large-scale seedling culture of the excellent male strains of the fraxinus chinensis.

Description

technical field [0001] The invention relates to a breeding method of a white wax male strain. Background technique [0002] White wax is salt-alkali-resistant, has strong stress resistance, and has a wide range of adaptability. It is a pioneer tree species for the development and utilization of saline-alkali land. White wax is dioecious. Compared with female plants, male plants have significant advantages, namely, no fruit, long green leaf period, strong resistance, and salt-alkali tolerance. The conventional white wax propagation method is mainly based on sowing and raising seedlings. The seedlings grown are not good and uneven, and there is a tendency for variation to increase with the increase in the number of reproduction generations, which degrades and covers the potential of good varieties of white wax. Seedlings are in short supply. In addition, the seedlings bloom after 3-4 years, and it takes time and effort to select and breed male plants in the seedlings by conv...

Claims

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Application Information

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IPC IPC(8): A01H4/00
Inventor 梁美霞张洪霞白圣懿周黛媛石宇佳吴明哲朱现威黄富立
Owner LUDONG UNIVERSITY
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