CN107360973B - A method of induction flowering dogwood callus formation - Google Patents

A method of induction flowering dogwood callus formation Download PDF

Info

Publication number
CN107360973B
CN107360973B CN201710686445.3A CN201710686445A CN107360973B CN 107360973 B CN107360973 B CN 107360973B CN 201710686445 A CN201710686445 A CN 201710686445A CN 107360973 B CN107360973 B CN 107360973B
Authority
CN
China
Prior art keywords
flowering dogwood
callus
induction
stem
flowering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710686445.3A
Other languages
Chinese (zh)
Other versions
CN107360973A (en
Inventor
刘卫
周余华
史卓林
顾敏敏
胡修武
侯波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Polytechnic College of Agriculture and Forestry
Original Assignee
Jiangsu Polytechnic College of Agriculture and Forestry
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Polytechnic College of Agriculture and Forestry filed Critical Jiangsu Polytechnic College of Agriculture and Forestry
Priority to CN201710686445.3A priority Critical patent/CN107360973B/en
Publication of CN107360973A publication Critical patent/CN107360973A/en
Application granted granted Critical
Publication of CN107360973B publication Critical patent/CN107360973B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • A01H4/001Culture apparatus for tissue culture

Landscapes

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

Abstract

The invention discloses a kind of methods that induction flowering dogwood callus is formed, comprising: using the stem of flowering dogwood as explant, is inoculated on culture medium after disinfection and carries out illumination cultivation;The wherein formula of the culture medium are as follows: basal medium+6-BA 1-2mg/L+NAA 0.1-0.3mg/L+ sucrose 30-40g/L+ agar 6-9g/L.The present invention explores actively and effective flowering dogwood stem tissue cultures new method, and culture medium, condition of culture, sterilization method are optimized, and can induce in a short time and obtain a large amount of callus.

Description

A method of induction flowering dogwood callus formation
Technical field
The present invention relates to tissue cultures more particularly to a kind of methods that induction flowering dogwood callus is formed.
Background technique
Flowering dogwood, Cornaceae, Lai wood category, also known as great Hua Dendronenthamia japonica var.chinensis originate in eastern North America, the flowering dogwood four seasons Scenery is had nothing in common with each other, and spring petal-shaped bract is in full bloom, the splendid blade of summer and autumn colored, the berry of Hua Houyou salmon pink, is high The landscape plant and oilseed plant, wide market, China of shelves are still in the stage of introducing a fine variety.Flowering dogwood is generally broadcast using seed Kind, cottage method breeding.This patent carries out tissue culture propagation to flowering dogwood, by cultivating flowering dogwood organ-tissue, Promote calli induction, to cultivate the nursery stock of more flowering dogwoods, this is the important of flowering dogwood tissue cultures Approach.
Flowering dogwood is new introduced variety, thus it is domestic seldom to the research of the tissue cultures related fields of flowering dogwood, But the research for thering are a small number of scholars to carry out some tissue cultures for the other plant that Lai wood belongs to, but breeding coefficient compares It is low.
Summary of the invention
Goal of the invention: being directed to the problems of the prior art, and the present invention provides a kind of induction flowering dogwood callus and formed Method, using stem as explant, induction obtains a large amount of callus in a short time.
Technical solution: the method that induction flowering dogwood callus of the present invention is formed, comprising: with flowering dogwood Stem is explant, is inoculated on culture medium after disinfection and carries out illumination cultivation;The wherein formula of the culture medium are as follows: basal medium + 6-BA 1-2mg/L+NAA 0.1-0.3mg/L+ sucrose 30-40g/L+ agar 6-9g/L.
The explant the preparation method comprises the following steps: acquisition flowering dogwood current-year branch tender stem, shearing growth 1-3cm stem Section.
The method of the disinfection includes: after cleaning explant, first to use 70-75% ethanol postincubation 30-50s, and sterile water is clear It is carried out disinfection processing with 0.1-0.2% mercuric chloride again after washing, the processing time is 3-6min, finally clean with aseptic water washing, removal Residual moisture.
The time of ethanol postincubation is preferably 30s, and the processing time of mercuric chloride is preferably 5min.
The formula of culture medium is preferred are as follows: basal medium+6-BA 1.5-2mg/L+NAA 0.1-0.2mg/L+ sucrose 30- 40g/L+ agar 6-9g/L.
It is further preferred that the formula of culture medium are as follows: basal medium+6-BA 2mg/L and NAA 0.2mg/L+sucrose 35g/L+ agar 7g/L.
The basal medium is WPM.
The temperature of the illumination cultivation is 23-27 DEG C, light application time 16-17h/d, illuminance 2000-2200lx.
The utility model has the advantages that the present invention explores actively and effective flowering dogwood stem tissue cultures new method, to culture medium, training The condition of supporting, sterilization method are optimized, and can induce in a short time and obtain a large amount of callus.
Detailed description of the invention
Fig. 1 is the flowering dogwood stem explant that embodiment 1 is being cleaned;
Fig. 2 is the partial medium that embodiment 1 prepares sterilizing;
Fig. 3 is that embodiment 1 is just being inoculated into the stem explant on culture medium;
Fig. 4 is that embodiment 1 is placed on the inoculation seedling cultivated in culturing room;
Fig. 5 is the inoculation seedling that embodiment 1 pollutes;
Fig. 6 is the inoculation seedling that embodiment 1 has formed a large amount of callus.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalences of the invention The modification of form falls within the application range as defined in the appended claims.
Embodiment 1
1, acquire and clean explant
Flowering dogwood current-year branch tender stem is acquired, the stem section for being about 1-3cm is cut into, is put into ceramic whiteware cylinder few with having added The water for measuring washing powder eluriates 2min, rinses 2h under tap water after foam is eluriated completely.Surface dirt and soil will be eliminated Explant be placed on superclean bench and disinfect.
2, carry out disinfection processing
It is then primary with sterile water wash first with 75% ethanol postincubation 30-50s, then carried out disinfection place with 0.1% mercuric chloride Reason, the processing time is 3-6min, then with aseptic water washing 3 times or more, remaining moisture is drawn with aseptic paper.
3, inoculation work is carried out
The stem of sanitized is placed on aseptic paper, is inoculated on culture medium with tweezers, culture medium select respectively WPM, MS, 1/2MS, B5, N6, select the concentration of different 6-BA and NAA: 6-BA concentration is respectively 0,0.5,1,2mg/L, and NAA's is dense Degree is 0,0.02,0.2,2mg/L respectively, studies the influence for generating callus under hormon various concentration to explant.Often One 30 bottles of processing inoculation, is repeated 3 times, every test tube bottle places 1 explant.
4, condition of culture is controlled
All culture mediums add sucrose 35g/L, agar 7g/L, and adjusting pH value is 5.8 or so, under 121 DEG C of high pressures Sterilize 25min.Explant after inoculation is placed in culturing room, illumination 16h/d, illuminance is about 2000lx, and temperature control exists (25±2)℃。
5, result and analysis
5.1 obtain the most suitable disinfecting time of flowering dogwood stem
The influence of the different disinfection way of table 1
By table 1 we it can be found that using alcohol impregnate 30s, mercuric chloride impregnate this disinfection way of 5min it is best, survival Rate is 89%, and the death rate and pollution rate are minimum compared with other processing modes, therefore, impregnates 30s using alcohol, mercuric chloride impregnates This disinfection way of 5min reduces pollution rate most beneficial for survival rate is improved.
5.2 obtain flowering dogwood most suitable culture medium in callus forming process
It is analyzed by this following data, we are it can be concluded that WPM and N6 formed flowering dogwood stem callus Influence is more more significant than other culture mediums, and wherein WPM is better than N6 again, it may thus be appreciated that production of the WPM to the callus of flowering dogwood stem Coming into force, (table 3 is size (being shown in Table 2, the unit cm) progress that 1 half a month forms callus during tissue culture after inoculation to fruit It is being obtained after being counted with SPSS24 as a result, from Table 2, it can be seen that MS, 1/2MS, B5 three distinguish not after investigation Obviously, B5,1/2MS, N6, WPM difference are equally also unobvious and in subset 2, but unobvious do not represent is not distinguished, from number As can be seen that WPM is highest in all culture mediums in value, therefore from the point of view of optimization, WPM culture medium is than other Culture medium effect is more preferable.) more significant than other culture mediums.
Table 2
Influence of the different culture medium of table 3 to callus effect is formed
As a result
DuncanA, b
The class mean in similar subset has been displayed.
Based on the mean value observed.
Error term is mean value side (mistake)=.005.
A. harmomic mean sample size=16.000 are used.
B.Alpha=.05.
5.3 obtain and spend more strain wood most suitable 6-BA concentration in callus forming process
It is equally analyzed by this following data, we can be found that the 6-BA of four kinds of concentration to the callus for spending more strain wood stem The influence difference organized the formation of is smaller, but is cured compared to the 6-BA of other concentration, the 6-BA of 2mg/L to strain wood stem is spent more The influence that injured tissue is formed is more significant.Know that the 6-BA of 2mg/L is best to telling on for the callus for spending more strain wood stem.
Influence of the 6-BA of 4 various concentration of table to callus effect is formed
As a result
DuncanA, b
The class mean in similar subset has been displayed.
Based on the mean value observed.
Error term is mean value side (mistake)=.005.
A. harmomic mean sample size=20.000 are used.
B.Alpha=.05.
5.4 obtain and spend more strain wood most suitable NAA concentration in callus forming process
It is analyzed in the same old way by this following data, we can be found that NAA that concentration is 0.2mg/L and 2mg/L to spending more The influence that the callus of the wooden stem of strain is formed is more significant relative to the NAA culture medium of other concentration, and wherein concentration is 0.2mg/L NAA to spend more strain wood stem callus formed influence be better than 2mg/L NAA, it may thus be appreciated that the NAA of 0.2mg/L is to more Telling on for the callus of flower strain wood stem is best.
Influence of the NAA of 5 various concentration of table to callus effect is formed
As a result
DuncanA, b
The class mean in similar subset has been displayed.
Based on the mean value observed.
Error term is mean value side (mistake)=.005.
A. harmomic mean sample size=20.000 are used.
B.Alpha=.05.
5.5 obtain and spend more strain wood most suitable hormone ratio in callus forming process
6 NAA of table and 6-BA main effect are examined
The inspection of effect between main body
Dependent variable: result
The side a.R=.283 (the adjustment side R=.179)
By table 6, it can be concluded that, hormone NAA is later more most beneficial for promoting the callus for spending more strain wood stem to be formed Flower strain wood bud differentiation is laid a good foundation.
By comparing above, we may safely draw the conclusion, and ratio is WPM+2mg/L 6-BA+0.2mg/L NAA, sucrose The culture medium of 35g/L, agar 7g/L are the most advantageous for the calli induction for spending more the stem of strain wood.
To sum up, minimal medium, the 6-BA concentration, NAA concentration of strain wood stem callus formation are spent more in this test to promotion It is screened, the disinfection treatment mode impregnated with 0.1% mercuric chloride of 5min is impregnated by 75% alcohol of 30s, is tentatively obtained Most suitable initial culture base is WPM+2mg/L 6-BA+0.2mg/L NAA, sucrose 35g/L, agar 7g/L.

Claims (4)

1. a kind of method that induction flowering dogwood callus is formed characterized by comprising using the stem of flowering dogwood as explant Body is inoculated on culture medium after disinfection and carries out illumination cultivation;The wherein formula of the culture medium are as follows: basal medium+6-BA 1.5-2mg/L+NAA 0.1-0.2mg/L+ sucrose 30-40g/L+ agar 6-9g/L;
The method of the disinfection includes: after cleaning explant, 70-75% ethanol postincubation 30-50s first to be used, after sterile water wash It is carried out disinfection processing with 0.1-0.2% mercuric chloride again, the processing time is 3-6min, and finally clean with aseptic water washing, removal is remaining Moisture;The basal medium is WPM.
2. the method that induction flowering dogwood callus according to claim 1 is formed, which is characterized in that the explant The preparation method comprises the following steps: acquisition flowering dogwood current-year branch tender stem, shearing growth 1-3cm stem section.
3. the method that induction flowering dogwood callus according to claim 1 is formed, which is characterized in that the illumination training Feeding temperature is 23-27 DEG C.
4. the method that induction flowering dogwood callus according to claim 1 is formed, which is characterized in that light application time is 16-17h/d, illuminance 2000-2200lx.
CN201710686445.3A 2017-08-11 2017-08-11 A method of induction flowering dogwood callus formation Active CN107360973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710686445.3A CN107360973B (en) 2017-08-11 2017-08-11 A method of induction flowering dogwood callus formation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710686445.3A CN107360973B (en) 2017-08-11 2017-08-11 A method of induction flowering dogwood callus formation

Publications (2)

Publication Number Publication Date
CN107360973A CN107360973A (en) 2017-11-21
CN107360973B true CN107360973B (en) 2019-09-10

Family

ID=60310146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710686445.3A Active CN107360973B (en) 2017-08-11 2017-08-11 A method of induction flowering dogwood callus formation

Country Status (1)

Country Link
CN (1) CN107360973B (en)

Also Published As

Publication number Publication date
CN107360973A (en) 2017-11-21

Similar Documents

Publication Publication Date Title
CN103931492B (en) The tissue culture fast seedling-cultivating method of apple rootstock M9
CN104099287B (en) The acquisition of high yield OPC Vitis davidii Foex callus and subculture keeping method
CN102232360B (en) Method for establishing in-vitro rapid propagation system of anubias barteri var. barteri, anubias barteri var. nana, ficus henryi and anubias hastifolia
CN102640705B (en) Fast propagation method for aquatic plant lotus flowers
CN105474992A (en) Chinese chestnut summer truffle mycorrhizal seedling culture method based on symbiotic relation
CN104855294B (en) A kind of Caulis Akebiae rapid propagation method
CN104686361B (en) The induction of a kind of Fructus Vitis viniferae embryo callus and cultural method
CN107155875B (en) A kind of allopolyploid induction production method of hybrid Chinese pennisetum
CN100394845C (en) In-bottle production method of detoxified small seed ball of east lily
CN105475067A (en) Chinese chestnut tuber indicum mycorrhizal seedling culture method based on symbiotic relation
CN106069772A (en) A kind of sword-leaved cymbidium tissue culture quick propagation culturing method
CN105766655A (en) Establishing method of Gleditsia vestita Chun et Howex B.G.Li.tissue culture regeneration system
CN107360973B (en) A method of induction flowering dogwood callus formation
CN105104201B (en) A kind of Sa Wanabai primary tissue culture method
CN107466863B (en) A kind of Beijing Sorbus alnifloria method for tissue culture
CN105918132A (en) Rapid breeding method of clerodendrum trichotomum thunb
CN109329059A (en) A kind of method of straw short-tube lycoris tissue cultures
CN107372114B (en) A kind of abductive approach of the callus of flowering dogwood bud origin
CN108633742A (en) A kind of China fir Stem tip induction culture medium and abductive approach
CN101268744B (en) Method for innoculating soybean with phytophthora sojae
CN107683771A (en) A kind of method of the efficient sterile culture of tree peony embryo
CN107494270B (en) The tissue culture and rapid propagation method of gold leaf common bluebeard
CN110226514A (en) The method for obtaining salt-tolerant mutant based on ARTP breeding instrument mutagenesis alfalfa
CN109997692A (en) Blue or green money willow callus induction and subculture multiplication medium and its cultural method
CN110432150A (en) A kind of method of the acquisition and fast breeding of lamiophlomis rotata aseptic seedling

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant