CN110338058A - A kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation method - Google Patents

A kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation method Download PDF

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Publication number
CN110338058A
CN110338058A CN201910549232.5A CN201910549232A CN110338058A CN 110338058 A CN110338058 A CN 110338058A CN 201910549232 A CN201910549232 A CN 201910549232A CN 110338058 A CN110338058 A CN 110338058A
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test tube
vitro
explant
flowering
clone
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杜丽
韩贝贝
王圣
赵亮
张晓渤
蒋玉雪
刘译朗
李晶曼
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Nanyang Normal University
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Nanyang Normal University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H4/00Plant reproduction by tissue culture techniques ; Tissue culture techniques therefor

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  • Life Sciences & Earth Sciences (AREA)
  • Developmental Biology & Embryology (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
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  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

The present invention provides a kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation method, passes through and chooses donor maternal plant, choose maternal plant explant, obtain sterile maternal plant, carry out sterile seedling proliferation and test tube flowering Clone Selection;Obtain explant, Plantlet in vitro;And obtained test tube flowering clone.Materials are convenient, easily acquisition sterilizable material;The clonal screening of test tube flowering, proliferation and in-vitro culture method are simple and easy, can be the mass production of the subsequent in vitro plant microlandschaft art work, provide abundance and make scape plant;This patent especially screens the clonal material for capableing of test tube flowering, further increases the ornamental value and amusement interest of in vitro plant microlandschaft.

Description

A kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation method
Technical field
The present invention relates to fancy horticulture technical fields, make floristic enrich of scape in vitro plant microlandschaft and provide more Selection more particularly to a kind of clonal screening of Growth anddevelopment test tube flowering and in-vitro conservation method.
Background technique
In vitro plant microlandschaft (Terrarium in vitro), being will be with ornamental value by Techniques of in Vitro Culture It after plant micro, carries out making scape using artistic technique combination plant natural beauty in sterile chamber, and is equipped with and varies in color Culture medium and accessories, what is finally constituted has the miniature artistic view of unique ornamental value.Such as to carry out in vitro plant microlandschaft The exploitation of product, suitable ornamental plant screening and Plantlet in vitro, in case use when making scape in vitro, is primary research and development task.
' Herba Polygalae megalophae ' belongs to Rosa Growth anddevelopment cultivar, is perennial dwarf form shrub, how upright stem is, plant shape Shorter and smaller compact, plant height is usually no more than 30cm;Plant stalk diameter is mostly in 4mm hereinafter, internode is shorter, and branches and leaves are more It is very thin;Flower fasciation is more compact, is often arranged in sympodium, flower amount is larger, and pattern is light pink, 2~4cm of Hua Jingyue;Because of the Chinese rose Short and small compact, the blade branch of kind plant shape and the petite lovely feature of flower, having, which becomes in vitro plant microlandschaft, makes scape plant Inherent advantage, therefore how by the modern rose cultivars carry out in vitro culture, screening be capable of test tube flowering clone and be subject to from Body saves, and is a technical problem to be solved urgently to one skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation methods.This hair It is bright to adopt the technical scheme that:
A kind of clonal screening technique of Growth anddevelopment test tube flowering chooses donor maternal plant;
It chooses maternal plant explant: choosing annual, diameter 2mm on the donor maternal plant, have the healthy and strong branch of axillary bud As explant, the explant is handled, stem section shearing of the length about 1.5-2cm with leaf scar;
Carry out disinfection to maternal plant explant: the sterilization method is first sufficiently to flood explant with 75% alcohol, sterilizes 30s Left and right;It uses aseptic water washing 3 times later, then with 0.1% mercuric chloride immersion treatment 8min;It is later same to use aseptic water washing 3 times, Explant is placed on sterilized filter paper to blot partial moisture spare later;
It obtains sterile maternal plant: explant is inoculated on sterile maternal plant screening and culturing medium, an explant is inoculated in every bottle Illumination cultivation is carried out, sterile maternal plant is obtained;
It carrying out sterile seedling proliferation and test tube flowering Clone Selection: sterile maternal plant is cut, each knife in left and right chamfers stem section, The aseptic seedling for organizing the formation of wedge base by the sterile maternal plant of 1-2mm is formed, aseptic seedling is transferred to flowering asexual system sieve in time Choosing and proliferated culture medium, for the proliferation of aseptic seedling and the screening of test tube flowering material, illumination cultivation will have after inoculation 7-8 weeks There is the sterilizable material single plant of test tube flowering to be determined as test tube flowering clone.
Further, a kind of clonal screening technique of Growth anddevelopment test tube flowering, it is raw that the Growth anddevelopment chooses 2-3 Growth anddevelopment is donor maternal plant.
Further, a kind of clonal screening technique of Growth anddevelopment test tube flowering, the culture medium be MS+3% sucrose+ 0.8% agar, wherein MS molysite additive amount is 1.25X, pH6.0.
Further, a kind of clonal screening technique of Growth anddevelopment test tube flowering, the flowering asexual system screening and increasing Growing culture medium is+0.8% agar of MS+BA 0.5mg/L+IBA 0.1mg/L+3% sucrose, and wherein MS molysite additive amount is 1.25X pH6.0.
The present invention also provides a kind of clonal in-vitro conservation methods of Growth anddevelopment test tube flowering, obtain aseptic seedling explant Body: taking test tube flowering clone aseptic seedling, and branch is divided into 2 parts, including there are the clump of about 3-5mm sprig branches base portion and to cut At being about 5~7mm Agistemus exsertus;Plantlet in vitro: aseptic seedling explant is subjected to Plantlet in vitro, the clump branch base vertical access Culture medium, the Agistemus exsertus horizontal access Plantlet in vitro culture medium, illumination cultivation.
Further, a kind of clonal in-vitro conservation method of Growth anddevelopment test tube flowering, Plantlet in vitro culture medium are MS+ + 0.8% agar of BA 0.5mg/L+IBA 0.1mg/L+3% sucrose, wherein MS molysite additive amount is 1.25X, pH6.0.
Further, a kind of clonal in-vitro conservation method of Growth anddevelopment test tube flowering, the in-vitro conservation method Can be used for sterile seedling proliferation, the aseptic seedling enrichment procedure and in-vitro conservation method difference are subculture frequency, if after The continuous amplification for obtaining aseptic seedling, according to the method for above-mentioned preparation explant, subculture is primary within each month;If Plantlet in vitro is above-mentioned Clone only needs more packing culture mediums, every 3 months subcultures in culture bottle primary.
The present invention also provides a kind of Growth anddevelopment test tube flowering clone, using a kind of above-mentioned Growth anddevelopment test tube flowering without Property system's screening technique obtained test tube flowering clone is screened to " Herba Polygalae megalophae ".
The present invention also provides a kind of Growth anddevelopment test tube flowering clone, using a kind of above-mentioned Growth anddevelopment test tube flowering without Property system's aseptic seedling enrichment procedure is to the obtained test tube flowering clone of " Herba Polygalae megalophae " sterile seedling proliferation.
The invention has the benefit that the clonal screening of Growth anddevelopment test tube flowering of the present invention and in-vitro conservation method take Material is convenient, easily acquisition sterilizable material;The clonal screening of test tube flowering, proliferation and in-vitro culture method are simple and easy, after being The mass production for continuing the in vitro plant microlandschaft art work provides abundance and makes scape plant;The present invention especially screens being capable of test tube flowering Clonal material, further increase in vitro plant microlandschaft ornamental value and amusement interest.
Specific embodiment
Further describe technical solution of the present invention by taking Growth anddevelopment " Herba Polygalae megalophae " as an example below: (1) Growth anddevelopment is ' small The selection of cloves ' in vitro culture material donor:
It is raw Growth anddevelopment " Herba Polygalae megalophae " to choose 2-3, no disease and pests harm, individual is healthy and strong, and the plant with kind typicalness makees For donor maternal plant.
(2) selection of in vitro culture explant:
Month current year 3-4 annual, diameter about 2mm is chosen from the donor maternal plant that step (1) determines, has the strong of axillary bud Vigorous branches item is as explant source.
(3) processing of ' Herba Polygalae megalophae ' explant:
' Herba Polygalae megalophae ' the healthy and strong branch of acquisition diameter in 2mm from the explant source that step (2) select;It is in vitro to reduce The pollution rate of culture can remove axillary bud, blade and extra prickle on branch, and rinse 1-1.5h in tap water down-flow water;Disinfection It according to an explant is that stem section of the length about 1.5-2cm with leaf scar is sheared by branch using dissecting scissors before processing, Caution area division aspect upper and lower side, morphology upper end cut flat face, and morphology lower end cuts into inclined-plane.It is placed into ultra-clean work later Sterilizing operation is carried out on platform.
(4) sterilizing operation of ' Herba Polygalae megalophae ' explant:
Sterilization method is first to be poured into obtain in the small beaker of explant equipped with step (3) with 75% alcohol, and sufficiently flood Explant, disinfection 30s or so;It uses aseptic water washing 3 times, then with 0.1% mercuric chloride immersion treatment 8min, during which constantly shakes later Small beaker is swung, to guarantee that each explant disinfection is thorough;Later same to use aseptic water washing 3 times, later by explant, it is poured on Partial moisture is blotted on sterilized filter paper, it is spare.
(5) acquisition of ' Herba Polygalae megalophae ' sterile maternal plant:
By explant stem section after step (4) disinfection, sterile maternal plant screening and culturing medium (MS is inoculated into according to morphology upper and lower side + 0.8% agar of+3% sucrose, wherein MS molysite additive amount is 1.25X, pH6.0) on, an explant, illumination are inoculated in every bottle Culture;After inoculation 10-12 days, observation explant is grown, and after axillary bud sprouting and pollution condition, discards pollution and without sprouting material Material, remaining materials for later use obtain ' Herba Polygalae megalophae ' sterile maternal plant at this time.
(6) ' Herba Polygalae megalophae ' sterile seedling proliferation and test tube flowering Clone Selection:
After obtaining ' Herba Polygalae megalophae ' sterile maternal plant from step (5), the cutting method of sterile bud is as follows, and the stem section of sprouting is placed in On aseptic filter paper, the fixed stem section of tweezers, with scalpel, each knife in left and right chamfers stem section, forms one and organizes shape by 1-2mm maternal plant Above-mentioned seedling is transferred to the screening of flowering asexual system and proliferated culture medium (MS+BA 0.5mg/L by the aseptic seedling of wedgewise base portion in time + 0.8% agar of+IBA 0.1mg/L+3% sucrose, wherein MS molysite additive amount is 1.25X, pH6.0), the increasing for aseptic seedling Grow the screening with test tube flowering material, illumination cultivation;After inoculation 7-8 weeks, sterile seedling proliferation and test tube flowering situation are observed, will be had There is the sterilizable material single plant of test tube flowering to be determined as test tube flowering clone, and name XDX-KL1,2..... for protecting in vitro It deposits, the material that test tube flowering is not observed is abandoned.
(7) the clonal Plantlet in vitro of ' Herba Polygalae megalophae ' test tube flowering:
By step (6) obtain test tube flowering Miao Cong handle in following manner, so as to expand rapidly on Plantlet in vitro State test tube flowering clone:
Test tube flowering clone aseptic seedling is taken, is first picked the tissue of the extra callus of seedling base portion and blackening with scalpel Remove, after aseptic seedling branch of growing thickly is divided from base portion by one clump, 2-3 branch, then cut in the lower part of every clump of branch, by branch Item is divided into 2 parts, a part be there are the clump of about 3-5mm sprig branch base portion, it is spare;Another part is scattered branch, is cut Except terminal bud on branch and extra blade;Remaining branch is formed into length by section dissection (having 2-3 section on i.e. each cutting shoots) About 5~7mm Agistemus exsertus, it is spare.
Explant obtained by the above method is used equally for the clonal Plantlet in vitro of ' Herba Polygalae megalophae ' test tube flowering, wherein Cong Zhiji Portion accesses culture medium vertically, and Agistemus exsertus horizontal accesses culture medium, can act as preferable aseptic seedling cultivation effect, culture medium It is all the screening of flowering asexual system and the proliferated culture medium of step (6);Proliferation and Plantlet in vitro difference are subculture frequency, if after The continuous amplification for obtaining aseptic seedling, according to the method for above-mentioned preparation explant, subculture is primary within each month;If Plantlet in vitro is above-mentioned Clone only needs more packing culture mediums, every 3 months subcultures in culture bottle primary;Above-mentioned culture is illumination cultivation.

Claims (9)

1. a kind of clonal screening technique of Growth anddevelopment test tube flowering, it is characterised in that:
Choose donor maternal plant;
It chooses maternal plant explant: choosing annual, diameter 2mm on the donor maternal plant, have the healthy and strong branch conduct of axillary bud Explant handles the explant, stem section shearing of the length about 1.5-2cm with leaf scar;
Carry out disinfection to maternal plant explant: the sterilization method is first sufficiently to flood explant with 75% alcohol, and disinfection 30s is left It is right;It uses aseptic water washing 3 times later, then with 0.1% mercuric chloride immersion treatment 8min;Later same to use aseptic water washing 3 times, it Explant is placed on sterilized filter paper to blot partial moisture spare afterwards;
It obtains sterile maternal plant: explant is inoculated on sterile maternal plant screening and culturing medium, an explant is inoculated in every bottle and is carried out Illumination cultivation obtains sterile maternal plant;
It carries out sterile seedling proliferation and test tube flowering Clone Selection: sterile maternal plant is cut, each knife in left and right chamfers stem section, is formed One is organized the formation of the aseptic seedling of wedge base by the sterile maternal plant of 1-2mm, aseptic seedling is transferred in time flowering asexual system screening and Proliferated culture medium, for the proliferation of aseptic seedling and the screening of test tube flowering material, illumination cultivation will have examination after inoculation 7-8 weeks The sterilizable material single plant that pipe is bloomed is determined as test tube flowering clone.
2. a kind of clonal screening technique of Growth anddevelopment test tube flowering according to claim 1, it is characterised in that: described It is donor maternal plant that Growth anddevelopment, which chooses the raw Growth anddevelopment of 2-3,.
3. a kind of clonal screening technique of Growth anddevelopment test tube flowering according to claim 1, it is characterised in that: described Culture medium is+0.8% agar of MS+3% sucrose, and wherein MS molysite additive amount is 1.25X, pH6.0.
4. a kind of clonal screening technique of Growth anddevelopment test tube flowering according to claim 1, it is characterised in that: described The screening of flowering asexual system and proliferated culture medium are+0.8% agar of MS+BA 0.5mg/L+IBA 0.1mg/L+3% sucrose, wherein MS molysite additive amount is 1.25X, pH6.0.
5. a kind of clonal in-vitro conservation method of Growth anddevelopment test tube flowering, it is characterised in that:
It obtains aseptic seedling explant: taking test tube flowering clone aseptic seedling, branch is divided into 2 parts, including there are about 3-5mm It the clump branch base portion of sprig and is cut into and is about 5~7mm Agistemus exsertus;
Plantlet in vitro: aseptic seedling explant is subjected to Plantlet in vitro, the clump branch base vertical accesses culture medium, and the tool saves stem Section horizontal accesses Plantlet in vitro culture medium, illumination cultivation.
6. a kind of clonal in-vitro conservation method of Growth anddevelopment test tube flowering according to claim 5, it is characterised in that: Plantlet in vitro culture medium is+0.8% agar of MS+BA 0.5mg/L+IBA 0.1mg/L+3% sucrose, wherein MS molysite additive amount For 1.25X, pH6.0.
7. a kind of clonal in-vitro conservation method of Growth anddevelopment test tube flowering according to claim 5, it is characterised in that: The in-vitro conservation method can also be used for sterile seedling proliferation, and the aseptic seedling enrichment procedure and the in-vitro conservation method are distinguished In subculture frequency, if continuing the amplification of acquisition aseptic seedling, according to the method for above-mentioned preparation explant, each month subculture one It is secondary;If the above-mentioned clone of Plantlet in vitro, only need more packing culture mediums, every 3 months subcultures in culture bottle primary.
8. a kind of Growth anddevelopment test tube flowering clone, it is characterised in that: using claim 1 screening technique to " small fourth It is fragrant " the obtained test tube flowering clone of screening.
9. a kind of Growth anddevelopment test tube flowering clone, it is characterised in that: using claim 7 screening technique to " small fourth The sterile obtained test tube flowering clone of seedling proliferation of perfume ".
CN201910549232.5A 2019-06-24 2019-06-24 A kind of Growth anddevelopment test tube flowering clone and screening and in-vitro conservation method Pending CN110338058A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110839530A (en) * 2019-11-25 2020-02-28 航天神舟生物科技集团有限公司 Method for inducing flowering of Chinese rose in test tube
CN111642380A (en) * 2019-12-03 2020-09-11 南阳师范学院 Process flow of micro landscape artwork in test tube

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
孙朝辉等: "‘香槟’月季的组织培养和试管开花诱导", 《植物生理学报》 *
朱逢玲: "几种微景观植物的快繁及微型化处理研究", 《中国优秀硕士学位论文全文数据库农业科技辑》 *
焦晓琳: "离体植物微景观微型月季产品的研发", 《中国优秀硕士学位论文全文数据库 农业科技辑》 *
赵丽达: "适合离体微景观月季品种的筛选及应用", 《南阳师范学院学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110839530A (en) * 2019-11-25 2020-02-28 航天神舟生物科技集团有限公司 Method for inducing flowering of Chinese rose in test tube
CN111642380A (en) * 2019-12-03 2020-09-11 南阳师范学院 Process flow of micro landscape artwork in test tube

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Application publication date: 20191018