CN116918700A - Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium - Google Patents

Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium Download PDF

Info

Publication number
CN116918700A
CN116918700A CN202310536174.9A CN202310536174A CN116918700A CN 116918700 A CN116918700 A CN 116918700A CN 202310536174 A CN202310536174 A CN 202310536174A CN 116918700 A CN116918700 A CN 116918700A
Authority
CN
China
Prior art keywords
culture medium
solid
culture
liquid
snakegourd
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.)
Granted
Application number
CN202310536174.9A
Other languages
Chinese (zh)
Other versions
CN116918700B (en
Inventor
任旭琴
华涛
周杰
王洁
唐丹
姚俊驰
时丹丹
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.)
Huaiyin Institute of Technology
Original Assignee
Huaiyin Institute of Technology
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 Huaiyin Institute of Technology filed Critical Huaiyin Institute of Technology
Priority to CN202310536174.9A priority Critical patent/CN116918700B/en
Publication of CN116918700A publication Critical patent/CN116918700A/en
Application granted granted Critical
Publication of CN116918700B publication Critical patent/CN116918700B/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
    • A01H4/008Methods for regeneration to complete plants
    • 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
    • A01H4/002Culture media 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 relates to the technical field of plant tissue culture and seedling culture, and discloses a method for rapidly obtaining a snakegourd tissue culture seedling by utilizing a solid-liquid double-layer culture medium. The invention has the advantages of simple procedure, short period, high propagation coefficient, strong operability and the like, and provides theoretical and practical basis for the quick acquisition of high-quality seedlings of snakegourd fruits.

Description

Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium
Technical Field
The invention relates to the technical field of plant tissue culture and seedling culture, in particular to a method for rapidly obtaining a snakegourd tissue culture seedling by utilizing a solid-liquid double-layer culture medium.
Background
The female and male plants of the snakegourd fruit are free from obvious morphological difference before flowering, are difficult to distinguish, the female and male plants are often caused to be more and less after sowing and planting, the yield and economic benefit are seriously influenced, the snakegourd fruit seedling cultivation becomes a technical problem, the female and male plant identification and seedling reproduction problems are solved by common root tuber reproduction in production, but diseases such as root knot nematode are easily caused to occur and accumulate by long-term root tuber reproduction, the diseases are frequently caused, and the yield and quality are seriously reduced. The tissue culture technique is helpful for directionally culturing a large number of high-quality snakegourd seedlings. The research on the tissue culture technology of snakegourd fruit mostly uses solid culture medium at present, and the production of tissue culture seedlings is completed gradually by adding different hormone ratios according to basic steps of sterile seedling obtaining, rooting-free seedling propagation, rooting, seedling hardening, transplanting and the like. The production process is troublesome, the seedling rate is low, the cost is high, and the period is long.
Melatonin (MT) belongs to indole compounds, has the same synthesis precursor tryptophan as indoleacetic acid, has the effect of regulating plant growth, and can also improve the resistance of plants to adversity stress. The application of melatonin in tissue culture of snakegourd fruits is not seen at present.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the invention provides a method for rapidly obtaining the snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture media, which simplifies the tissue culture path by utilizing two different culture media combined with a solid-liquid double-layer culture technology, realizes the purpose of obtaining high-quality snakegourd tissue culture seedlings in short time and is easier to obtain strong seedlings by applying melatonin in the snakegourd tissue culture media. The invention has simple procedure, high seedling rate, low cost, short period and strong operability.
The technical scheme is as follows: the invention provides a method for rapidly obtaining snakegourd tissue culture seedlings by utilizing a solid-liquid double-layer culture medium, which comprises the following steps:
A. preparing a solid-liquid culture medium: the formula of the solid culture medium is 1/2 MS+0.5-1. mg.L -1 MT +0.1~0.5 mg·L -1 IAA; the formula of the liquid culture medium is MS+0.5-mg.L -1 6-BA + 0.05~0.1 mg·L -1 MT;
B. Split charging of solid-liquid culture medium: firstly, subpackaging a solid culture medium into culture bottles, and injecting a sterilized liquid culture medium after the solid culture medium is cooled and solidified;
C. preparation of explants: selecting a strong snakegourd plant, collecting tender materials with terminal buds or axillary buds, sterilizing the surfaces of the tender materials, and cutting the tender materials into stem segments with buds to obtain an explant;
D. inoculating and culturing: and B, inoculating the explant into a culture bottle after the solid-liquid culture medium is subpackaged in the step B, and covering a bottle cap for culture to obtain the snakegourd tissue culture seedlings.
Further, in the step A, the formula of the solid culture medium further comprises sucrose 30 g.L -1 Agar 6 g.L -1
Further, in the step B, the split charging amount of the solid culture medium in the culture bottle is 2/3-3/4 of the conventional split charging amount, and the liquid culture medium is 1/4-1/3 of the conventional split charging amount; the liquid culture medium is covered on the solid culture medium, and the liquid culture medium is kept to be a thin layer of 1-2 mm.
Further, the conventional split charging amount is 20-25 mL.
Further, in the step C, the surface sterilization specifically includes: washing with running water for 15-30 min, rinsing with 75% alcohol for 15-30 s, and sterilizing with 2% sodium hypochlorite for 15-30 min.
Further, in step C, the length of the explant is 0.3-0.5. 0.5cm, the apical incision is 0.1-0.2. 0.2 cm on the bud, and the basal incision is near the underside of the node.
Further, the base incision is chamfered as much as possible to form a chamfer, and the chamfer faces upwards during inoculation.
Further, in the step D, the specific steps of inoculation and cultivation are as follows:
1) Shallow inserting the explants into a solid culture medium, and inoculating 2-3 explants to each culture bottle;
2) Culturing the culture flask in a light-proof environment at 20-25 ℃ for 3-5 d, and changing the culture flask into 12 h light culture after the incision at the lower end of the explant is provided with a white protrusion.
In the step D, when adventitious buds appear at the base of the explant and lateral buds are formed at axilla, the adventitious buds or the lateral buds grow to 0.3-0.5-cm, the adventitious buds or the lateral buds can be cut off and inoculated into a new culture flask for bud proliferation.
The beneficial effects are that: the invention has the following specific beneficial effects:
the solid culture medium is mainly used for inducing rooting, so that the explant incision can differentiate the root in a short time, the liquid culture medium can induce lateral buds or adventitious buds to provide sterile materials for proliferation and subculture, therefore, the solid-liquid double-culture-medium culture can give consideration to the induction differentiation of the buds and the root, a set of tissue culture procedures for single culture, such as obtaining the buds from the primary culture, proliferating the buds to rooting the buds, and the like, in the traditional tissue culture are optimized, the tissue culture link is simplified, the seedling culture period is shortened, and the propagation coefficient is improved.
Therefore, the invention provides a method for rapidly obtaining the snakegourd tissue culture seedlings by utilizing the solid-liquid double-layer culture medium, which can simplify the production process of the snakegourd tissue culture seedlings, shorten the seedling culture period and improve the propagation coefficient.
Drawings
FIG. 1 shows the induction of roots and shoots by solid-liquid double-layer culture according to embodiment 1;
FIG. 2 shows the rooting induction of the solid media of comparative example 1 and comparative example 2.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Embodiment 1:
a method for rapidly obtaining tissue culture seedlings of snakegourd fruit by utilizing solid-liquid double-layer culture medium comprises the following steps:
A. preparing a solid-liquid culture medium: the formula of the solid culture medium is 1/2 MS+0. mg.L -1 MT +0.2 mg·L - 1 IAA, adding sucrose 30 g.L -1 Agar 6 g.L -1 The method comprises the steps of carrying out a first treatment on the surface of the The liquid culture medium is MS+ mg.L -1 6-BA + 0.05 mg·L - 1 MT, sucrose and agar were not added.
B. Split charging of solid-liquid culture medium: and (3) packaging the solid culture medium, wherein each bottle is 15 mL, sterilizing at high temperature and high pressure, packaging the sterilized liquid culture medium into culture bottles on an ultra-clean workbench, wherein the packaging amount is 5 mL, and the upper liquid is kept to be a thin layer of about 1-2 mm.
C. Preparation of explants: selecting a strong snakegourd plant, collecting tender materials with terminal buds or axillary buds, washing with running water for 30 min, rinsing with 75% alcohol for 20 s, and sterilizing with 2% sodium hypochlorite for 20 min; then cutting the sterilized fructus Trichosanthis material into stem segments with buds of about 0.5cm, cutting the top end of the stem segments on the buds about 0.2. 0.2 cm, and cutting the base part of the stem segments near the lower part of the knots, wherein the base part of the stem segments is a bevel.
D. Inoculating and culturing: shallow inserting the explants into a solid culture medium, and inoculating 2 explants to each bottle; firstly, placing the culture flask at about 25 ℃ for dark culture, changing the white protrusion of the incision of the base part of the explant into 12-h light culture after 5-7-d, and obtaining a large number of secondary roots and tertiary roots after 30-d, wherein adventitious buds and lateral buds are differentiated and formed at the moment, and the number of stem and vine nodes reaches 4-5.
E. Proliferation culture: 40 d, cutting off lateral buds and adventitious buds growing to about 0.5 and cm, inoculating the lateral buds and the adventitious buds into a new culture medium, and continuing to proliferate the buds, wherein the proliferation multiple of the buds can reach 6-10 times.
Comparative example 1:
the comparative example adopts a bud-followed root culture way, adopts a solid culture medium in the bud induction stage, and adopts a solid culture medium formula of MS+ mg.L -1 6-BA + 0.05 mg·L -1 MT, sucrose 30 g.L -1 Agar 6 g.L -1 After each bottle is sub-packed with 20mL of culture medium, the explant is inoculated and cultured by 12 h light to about 30 d to form adventitious buds and lateral buds, and the proliferation is 3-5 times; cutting off buds, inoculating into rooting medium, and culturing in the same formula as in embodiment 1, 1/2MS+0. mg.L -1 MT +0.2 mg·L -1 IAA, adding sucrose 30 g.L -1 And agar 6 g.L -1 The culture conditions are the same as those of the embodiment 1, namely, the dark culture is performed before the light culture, and the complete plant is formed after 30 to 40 percent d.
Comparative example 2:
the comparative example adopts a solid culture mode of directly inducing rooting, and the formula of the solid culture medium is the same as that of the embodiment 1,1/2 MS+0. mg.L -1 MT +0.2 mg·L -1 IAA, adding sucrose 30 g.L -1 And agar 6 g.L -1 The method comprises the steps of carrying out a first treatment on the surface of the An explant was prepared according to embodiment 1,the culture conditions were the same as those of embodiment 1, and the whole plants were formed after about 40 d.
Fig. 1 shows the induction conditions of the solid-liquid double-layer culture of embodiment 1 on roots and buds, and fig. 2 shows the induction rooting conditions of the solid culture medium of comparative examples 1 and 2, and it can be seen that the solid-liquid culture of embodiment 1 can simultaneously achieve root and bud induction and differentiation, the culture period is about 30 d, the comparative example 1 is a conventional culture path, and the culture period is longer from the time of bud induction to the time of rooting, about 70-80 d. In addition, the embodiment 1 can realize the proliferation of the bud seedling at the same time, the proliferation is 6-10 times, the comparative example 1 can only root after the bud, the proliferation is 3-5 times, and the main purpose of the comparative example 2 is to induce the rooting, so that the complete plant is formed.
The foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (9)

1. The method for rapidly obtaining the snakegourd tissue culture seedlings by utilizing the solid-liquid double-layer culture medium is characterized by comprising the following steps of:
A. preparing a solid-liquid culture medium: the formula of the solid culture medium is 1/2 MS+0.5-1. mg.L -1 MT +0.1~0.5 mg·L -1 IAA; the formula of the liquid culture medium is MS+0.5-mg.L -1 6-BA + 0.05~0.1 mg·L -1 MT;
B. Split charging of solid-liquid culture medium: firstly, subpackaging a solid culture medium into culture bottles, and injecting a sterilized liquid culture medium after the solid culture medium is cooled and solidified;
C. preparation of explants: selecting a strong snakegourd plant, collecting tender materials with terminal buds or axillary buds, sterilizing the surfaces of the tender materials, and cutting the tender materials into stem segments with buds to obtain an explant;
D. inoculating and culturing: and B, inoculating the explant into a culture bottle after the solid-liquid culture medium is subpackaged in the step B, and covering a bottle cap for culture to obtain the snakegourd tissue culture seedlings.
2. The method for rapidly obtaining tissue culture seedlings of snakegourd fruit by utilizing solid-liquid double-layer culture medium according to claim 1, wherein in the step A, the formula of the solid culture medium further comprises sucrose 30 g.L -1 Agar 6 g.L -1
3. The method for rapidly obtaining the tissue culture seedlings of the snakegourd fruit by utilizing the solid-liquid double-layer culture medium according to claim 1, wherein in the step B, the split charging amount of the solid culture medium in the culture bottle is 2/3-3/4 of the conventional split charging amount, and the liquid culture medium is 1/4-1/3 of the conventional split charging amount; the liquid culture medium is covered on the solid culture medium, and the liquid culture medium is kept to be a thin layer of 1-2 mm.
4. The method for rapidly obtaining tissue culture seedlings of snakegourd fruit by utilizing solid-liquid double-layer culture medium according to claim 3, wherein the conventional split charging amount is 20-25 mL.
5. The method for rapidly obtaining tissue culture seedlings of snakegourd fruit by utilizing a solid-liquid double-layer culture medium according to claim 1, wherein in the step C, the surface sterilization is specifically as follows: washing with running water for 15-30 min, rinsing with 75% alcohol for 15-30 s, and sterilizing with 2% sodium hypochlorite for 15-30 min.
6. The method for rapidly obtaining tissue culture seedlings of trichosanthes kirilowii using a solid-liquid double-layer medium according to claim 1, wherein in step C, the length of the explant is 0.3-0.5. 0.5cm, the top incision is 0.1-0.2. 0.2 cm on the bud, and the base incision is near the lower part of the node.
7. The method for rapidly obtaining tissue culture seedlings of snakegourd using solid-liquid double-layer culture medium according to claim 6, wherein the base incision is chamfered as much as possible to form a chamfer, and the chamfer faces upwards when inoculating.
8. The method for rapidly obtaining tissue culture seedlings of snakegourd fruit by utilizing a solid-liquid double-layer culture medium according to claim 1, wherein in the step D, the specific steps of inoculating and culturing are as follows:
1) Shallow inserting the explants into a solid culture medium, and inoculating 2-3 explants to each culture bottle;
2) Culturing the culture flask in a light-proof environment at 20-25 ℃ for 3-5 d, and changing the culture flask into 12 h light culture after the incision at the lower end of the explant is provided with a white protrusion.
9. The method for rapidly obtaining tissue culture seedlings of trichosanthes kirilowii using a solid-liquid double-layer medium according to any one of claims 1 to 8, wherein in step D, when adventitious buds appear at the base of the explant and lateral buds are formed at the axilla, the adventitious buds or lateral buds grow to 0.3 to 0.5cm, and the adventitious buds or lateral buds can be sheared off and inoculated into a new culture flask for sprout proliferation.
CN202310536174.9A 2023-05-12 2023-05-12 Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium Active CN116918700B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310536174.9A CN116918700B (en) 2023-05-12 2023-05-12 Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310536174.9A CN116918700B (en) 2023-05-12 2023-05-12 Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium

Publications (2)

Publication Number Publication Date
CN116918700A true CN116918700A (en) 2023-10-24
CN116918700B CN116918700B (en) 2024-07-02

Family

ID=88376366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310536174.9A Active CN116918700B (en) 2023-05-12 2023-05-12 Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium

Country Status (1)

Country Link
CN (1) CN116918700B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000057690A2 (en) * 1999-03-25 2000-10-05 University Of Guelph Micropropagation and production of phytopharmaceutical plants
CN101699989A (en) * 2009-11-20 2010-05-05 杨保成 Method for tissue culture and rapid propagation of Trichosanthes kirilowii Maxim
CN109258459A (en) * 2018-08-08 2019-01-25 芜湖职业技术学院 Snakegourd Fruit vitro proliferation culture medium and preparation method thereof and Snakegourd Fruit subculture method
KR20200017961A (en) * 2018-08-10 2020-02-19 한국 한의학 연구원 Medium composition for producing in vitro culture and seminal root of herbal plant of Trichosanthes kirilowii and mass production method of herbal plant of Trichosanthes kirilowii using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000057690A2 (en) * 1999-03-25 2000-10-05 University Of Guelph Micropropagation and production of phytopharmaceutical plants
CN101699989A (en) * 2009-11-20 2010-05-05 杨保成 Method for tissue culture and rapid propagation of Trichosanthes kirilowii Maxim
CN109258459A (en) * 2018-08-08 2019-01-25 芜湖职业技术学院 Snakegourd Fruit vitro proliferation culture medium and preparation method thereof and Snakegourd Fruit subculture method
KR20200017961A (en) * 2018-08-10 2020-02-19 한국 한의학 연구원 Medium composition for producing in vitro culture and seminal root of herbal plant of Trichosanthes kirilowii and mass production method of herbal plant of Trichosanthes kirilowii using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
饶宝蓉;陈泳和;刘忠辉;周先治;谢丛寿;谢冬容;: "瓜蒌组培快繁体系研究", 热带农业科学, no. 03, 25 March 2020 (2020-03-25) *

Also Published As

Publication number Publication date
CN116918700B (en) 2024-07-02

Similar Documents

Publication Publication Date Title
CN104705187A (en) Centranthera grandiflora tissue culture method
AU2021104759A4 (en) A Medium for Tissue Culture of Actinidia Arguta
CN111280056A (en) Subculture breeding method of stingless pepper tissue culture seedlings
CN102805035A (en) Common head cabbage tissue culture method
CN111226797A (en) Lycium ruthenicum tissue culture method
CN104137779A (en) Method for regenerating sapium japonicum plant by inducing sapium japonicum stem rapidly
CN104719158A (en) Method for rapidly establishing medium-sized Chinese pennisetum herb tissue culture regeneration system by taking seeds as explants
CN104396742A (en) Five-step method for inducing lilium sulphureum bulbil callus to re-differentiate aseptic seedlings
CN111296292A (en) Passion fruit stem section callus induced differentiation seedling method
CN105532467B (en) Endangered rhododendron molle in-vitro tissue culture propagation and preservation method
CN105145363B (en) It is a kind of to significantly improve the method that China fir tissue culture produces emergence rate
CN103583357A (en) Method for sterile seeding of lithops and establishing regeneration system
CN110384044B (en) Cultivation method of virus-free seed stems of taros
CN1985578A (en) Tissue culture seedling producing process for lechang michelia and golden leaf michelia
CN104686334A (en) Tissue culture and rapid propagation method for androsace longifolia
CN110476807B (en) Method for establishing sterile culture system of mature seed embryo of peony 'paeonia ostii' for oil
CN104285817A (en) Rapid propagation method for tissue culture of jute
CN106665367A (en) Tabebuia chrysantha tissue culture and rapid propagation method
CN102067818B (en) Inducing technology of test tube lotus root
CN116918700B (en) Method for rapidly obtaining snakegourd tissue culture seedlings by utilizing solid-liquid double-layer culture medium
CN103202228B (en) One-step seedling and efficient in-vitro propagation method with gynura bicolor leaves
CN105724245A (en) Micro-cutting method for rapid propagation of Aquilaria sinensis seedlings
CN1293801C (en) Method for rapidly breeding citrange
CN107155882A (en) A kind of medicinal bletilla striata aseptic seeding fast seedling-cultivating method
CN109169279B (en) Method for efficiently obtaining regenerated plants by culturing common head cabbage seed pods

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