A kind of method of rapidly breeding seaside hibiscus seedlings

A hibiscus and fast technology, applied in the field of hibiscus propagation, can solve the problems that it is difficult to meet the needs of large-scale breeding of fine seaside hibiscus varieties, unfavorable for the benign characteristics of seaside hibiscus excellent plants, and low natural germination rate of seeds, so as to avoid the introduction of harmful elements, The effect of saving germplasm material and improving reproduction efficiency

Active Publication Date: 2020-03-24
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the propagation and cultivation of seaside hibiscus mainly adopts the traditional sowing and seedling raising method, but there are problems such as low natural seed germination rate, and it is not conducive to the maintenance of good traits of seaside hibiscus plants.
There have been reports on the breeding of seaside hibiscus by using cutting technology, but all use 8-10cm long seaside hibiscus branches in July-August as the propagation material, the propagation process is cumbersome, and the rooting time is long, it is difficult to meet the large-scale breeding The Demand for Fine Varieties of Seaside Hibiscus

Method used

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  • A kind of method of rapidly breeding seaside hibiscus seedlings
  • A kind of method of rapidly breeding seaside hibiscus seedlings
  • A kind of method of rapidly breeding seaside hibiscus seedlings

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Experimental program
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Effect test

Embodiment 1

[0032] A kind of method of rapidly breeding seaside hibiscus seedlings of the present embodiment, comprises the steps:

[0033] (1) Take materials

[0034] From May to the first ten days of July, respectively, selected wild perennial seaside hibiscus branches with excellent agronomic traits (one or more of high yield, long flowering period, and strong stress resistance) as the source of explants, and cut Cut into 0.5cm long micro stem segments with 1 axillary bud and 1 leaf, set aside;

[0035] (2) Pretreatment of explants

[0036] After the seashore Hibiscus microstem section in the step (1) is rinsed with running water for 10 minutes, carry out surface disinfection by 1.0 ‰ (w / v) potassium permanganate disinfection solution, and dry the residual disinfectant solution on the surface after disinfection for 5 minutes, and set aside;

[0037] (3) Induction treatment of explant adventitious roots

[0038] Place the morphological lower end of the Hibiscus seashore microstem sec...

Embodiment 2

[0044] A kind of method of rapidly breeding seaside hibiscus seedlings of the present embodiment, comprises the steps:

[0045] (1) Take materials

[0046] In the first ten days of August, the wild perennial seaside hibiscus with excellent agronomic traits (one or more of high yield, long flowering period, and strong stress resistance) was selected as the source of explants, and cut into 1.0 cm long, with 1 axillary bud and 1 leaf microstem segment (e.g. figure 1 ),spare;

[0047] (2) Pretreatment of explants

[0048] After the seashore Hibiscus microstem section in the step (1) was washed with running water for 15 minutes, the surface was disinfected by 3.0 ‰ (w / v) potassium permanganate disinfection solution, and the residual disinfectant on the surface was dried in the shade after disinfection for 8 minutes, and it was set aside;

[0049] (3) Induction treatment of explant adventitious roots

[0050] Place the morphological lower end of Hibiscus seashore microstem secti...

Embodiment 3

[0056] A kind of method of rapidly breeding seaside hibiscus seedlings of the present embodiment, comprises the steps:

[0057] (1) Take materials

[0058] In the first ten days of September-November, the year-old robust branches of Hibiscus hibiscus in the wild with excellent agronomic traits (one or more of high yield, long flowering period, and strong stress resistance) were selected as the source of explants, and cut Cut into 2.0cm long micro stem segments with 1 axillary bud and 1 leaf, set aside;

[0059] (2) Pretreatment of explants

[0060] After the seashore Hibiscus microstem section in the step (1) was rinsed with running water for 20 minutes, the surface was disinfected by 5.0‰ (w / v) potassium permanganate disinfection solution, and the residual disinfectant on the surface was dried in the shade after disinfection for 10 minutes for subsequent use;

[0061] (3) Induction treatment of explant adventitious roots

[0062] Place the morphological lower end of Hibisc...

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Abstract

The invention discloses a method for quickly culturing seaside hibiscus seedlings. The method comprises the following steps: taking raw materials, pre-treating explants, performing adventitious root inducing treatment on explants, planting the explants and managing the seedlings of the explants. The method disclosed by the invention has the advantages: 1) the materials are conveniently taken, the materials are abundant, the culturing efficiency is high and the cultured seedlings can keep the excellent characteristics of female parent strains; 2) the culturing speed is high, the culturing period is short, the influences and limitations of natural factors, such as, seasons and territory, can be avoided, and the method is suitable for large-scale culturing of the excellent seaside hibiscus seedling strains; 3) components and concentration of the rooting accelerating solution are strictly controlled and optimized to the optimal concentration of the seaside hibiscus adventitious root induction; and 4) the selection for varieties and concentrations of the disinfectant, nutrition supplementing solution and nutrition substrate according to the invention is strictly matched with the essential elements required by the growth of the seaside hibiscus, and meanwhile, the introduction of the harmful elements is avoided.

Description

technical field [0001] The invention relates to the field of hibiscus propagation, in particular to a method for rapidly breeding seaside hibiscus seedlings. Background technique [0002] Seaside hibiscus (Hibiscus hamabo Sieb.et Zucc.) is a small deciduous tree of the Malvaceae genus Hibiscus, which is a new species identified in recent years. Its canopy is dense, its flowers are golden yellow, its shape is large and showy, and its flowering period is long. It can be used as a good landscaping tree species. In addition to its ornamental value, seaside hibiscus is resistant to drought and barrenness, and is an excellent tree species for water and soil conservation in barren hills and mountains; and it is extremely resistant to salinity, flooding, and sea wind, and is a pioneer tree species for afforestation in embankment forests and coastal forests. However, the natural distribution of seaside hibiscus is narrow, and now it only forms small populations in the Zhoushan Islan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01H4/00
CPCA01G9/0299A01G17/005
Inventor 侯金艳吴丽芳
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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