CN103039362B - Subculture medium for tissue culture seedling propagation of camellia oleifera abel and propagation method thereof - Google Patents
Subculture medium for tissue culture seedling propagation of camellia oleifera abel and propagation method thereof Download PDFInfo
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Abstract
The invention discloses a subculture medium for tissue culture seedling propagation of camellia oleifera abel, which comprises 0.6-3.0mg/L MS+6-BA and 0.06-1.5mg/L IAA. A subculture medium formed by adding 6-benzyl aminopurine and indoleacetic acid with specific concentration into an MS minimal medium performs subculture of the aseptic seedlings of camellia oleifera abel, and the multiplication rate of the aseptic seedlings of camellia oleifera abel can reach 3.88-5.57 after 40 days; and meanwhile, strong seedling treatment of the camellia oleifera abel seedlings is realized, subsequent strong seedling culture is not required for culturing the aseptic seedlings of camellia oleifera abel, the propagation period of tissue culture seedlings is shortened, the technology is simplified, and the raw materials for configuring a strong seedling medium are saved.
Description
Technical field
The present invention relates to vegetative propagation field, be specifically related to a kind of oil tea group training seedling breeding subculture medium and propagation method thereof.
Background technology
Oil tea is the distinctive high-quality woody oil tree species of China, at China oil tea cultivation history of existing more than 2300 year.The tea oil look clear taste perfume (or spice) that it squeezes, nutritious, the cardiovascular and cerebrovascular diseases such as hypertension, high fat of blood, cardiopathy are had to good medical care effect, united state classifies the senior edible vegetable oil of health type that emphasis is promoted as.Meanwhile, sample tea withered and tea shell of the by-product of tea oil can extract Tea Saponin by comprehensive utilization, grind polishing powder and fermentation high protein feed etc., and oil-tea camellia husks can be produced activated carbon and extraction tanning material etc., and therefore the added value of oil tea is high.In addition, oil tea wide adaptability, barren-resistant, is one of southern low mountain, the good nonwood forest trees in hills and hillock, and does not strive ground with grain and cotton, and tool is planted one year, and the feature of income is for many years called " iron crops ", " green oil depot " by self-employed tree cultivator.Therefore, development camellia oleiferaindustry is not only conducive to alleviate the situation of the long-term dependence on import of China's edible oil, supply and demand anxiety, and the economic benefit of oil tea is high simultaneously, can increase peasant income, promote the development of rural economy and improve the national general level of the health.
The vegetative propagation technique measures such as the high changing-over of main employing cuttage and seedling culture, sprout stock grafting and low production forest of breeding of oil tea seedling.But, owing to being subject to the limited restriction of oil tea improved seeds clonal reproduction material resources, add the factor impacts such as the cultivating seedlings time is long, seedling propagation coefficient is low, be difficult to quickly breeding at short notice and go out a large amount of choiceness nursery stocks, to meet the demand of camellia oleiferaindustry development, therefore, active demand provides the propagation method of the oil tea group training seedling that a kind of reproduction coefficient is high, transplanting survival rate is high.
At present, about the breeding of oil tea group training seedling, study comparatively " research of oil tea cultured in vitro regeneration induction plant " (Bi Fang tomahawk etc. of famous being called of report in forward position, economic forest research, the 22nd the 2nd phase of volume, 5th～9 pages, 2004) scientific and technical literature, it discloses with stem section, rataria, the cotyledon of Camellia Oleifera Clones Hunan woods No. 4 and has induced breeding in vitro, stem section is cultivated take MS as minimal medium, additional 6-BA3.0mg/L+NAA1.0mg/L induces bud, and inductivity reaches 83.33%, continue to carry out subculture cultivation on former medium and obtain Multiple Buds, for rataria and cotyledon, additional hormone 2, 4～D2.0mg/L+KT1.0mg/L induction, the callus that induction is produced forwards on the medium that adds 6-BA3.0mg/L+NAA0.05mg/L and 6-BA2.5mg/L+IAA1.5mg/L and induces indefinite bud, inductivity reaches more than 90%, and further disclose the suitableeest aseptic seedling root induction on MS+NAA7.0mg/L medium, but the regrowth that adopts its disclosed medium to carry out root induction acquisition only has a main root mostly, fibrous root is little, the difficulty of taking root after group training transplantation of seedlings, be difficult to survive, therefore, its in fact and fail to obtain can transplant survival group training seedling.Meanwhile, the concentration of 6-BA, IAA in its inducing culture configuring is higher, and the effect that induction is sprouted in actual mechanical process is also bad.
In addition, name is called and in " a kind of efficient rooting method for oil tea clone tissue culture seedlings " Chinese patent literature (CN102007867A), discloses following technical scheme: efficient rooting method for oil tea clone tissue culture seedlings, comprise just culture, subculture cultivation, strong seedling culture and process of rooting culture, wherein after strong seedling culture, need be in the solution of plant hormone IBA1000～4000ppm dipping pretreatment 5～10s, being then seeded in to cultivate to obtain on root media has the oil tea of root system group training seedling.Although adopt this scheme can obtain oil tea group training seedling, but experimental study shows, the IBA solution that each aseptic seedling all must more renew before taking root and inoculating soaks it, for the solution that soaks aseptic seedling, can not reuse, otherwise the infection of the as easy as rolling off a log occurrence of large-area of aseptic seedling, causes the waste of aseptic seedling death and raw material.Meanwhile, its medium of cultivating for subculture providing can only promote aseptic seedling to breed, and cannot promote Aseptic Seedling Growth (strong sprout), therefore in its follow-up phase, also needs to carry out strong seedling culture, makes the man-hour of whole group of training seedling breeding long.In addition, bud induction rate and the rooting rate in process of rooting culture in its first culture is still lower.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of oil tea group training seedling breeding subculture medium, propagation and the strong sprout that can realize oil tea aseptic seedling, reduces the breeding cycle that oil tea group is trained seedling when subculture is cultivated simultaneously.
Its scheme of taking is: a kind of oil tea group training seedling breeding subculture medium, is characterized in that: comprise MS+6-BA0.6～3.0mg/L+IAA0.06～1.5mg/L.
By oil tea aseptic seedling being carried out to subculture cultivation to adding the subculture medium that the 6-benzyl aminopurine (6-BA) of specific concentrations and heteroauxin (IAA) form in MS minimal medium in such scheme, after 40 days, the propagation multiple of oil tea aseptic seedling can reach 3.88～5.57, realize the strong sprout of oil tea seedling processes simultaneously, do not need the follow-up strong seedling culture that arranges again to cultivate oil tea aseptic seedling, shorten breeding cycle, the simplification technique of group training seedling and save the raw material that configures strong seedling culture base.
Another object of the present invention is to provide a kind of propagation method of oil tea group training seedling, a kind of propagation method of oil tea group training seedling, it is characterized in that: comprise and carry out just culture, subculture cultivation and the aseptic seedling after subculture cultivation is carried out to culture of rootage intercepting the stem section obtaining of sterilizing on oil tea plant, it is MS+6-BA0.6～3.0mg/L+IAA0.06～1.5mg/L that described subculture is cultivated subculture medium used.
By the effect of matching of above-mentioned group of training scheme and subculture medium, can obtain in the short period of time a large amount of oil tea group training seedlings.
In the application, further technical scheme is that described culture of rootage root media used is 1/2～1/8MS+IBA2.4～4.8mg/L+NAA2.2～4.6mg/L.Described just culture first culture base used is MS+6-BA0.6～1.0mg/L+IAA0.07～1.3mg/L.Adopt above-mentioned root media to cultivate and can make the rooting rate of oil tea aseptic seedling reach 60～91.4%, average every strain aseptic seedling can be given birth to 1.5～3.18 root systems, root length can reach 2.8cm left and right, and the root system quality of the group training seedling of acquisition is good, thereby improves the transplanting survival rate of oil tea group training seedling.Meanwhile, be the amount reproduction of realization group training seedling, can carry out a subculture and cultivate, and then the Multiple Buds of once cultivating is intercepted into respectively to the aseptic seedling that contains a tender shoots carry out the cultivation of secondary subculture, the growth coefficient of cultivating to improve subculture.
Wherein, MS refers to according to the minimal medium that is usually used in the breeding of plant tissue culture seedling of relevant criterion or handbook or textbook configuration, and 1/2～1/8MS refers to that macroelement is by 1/2～1/8 times of macroelement concentration in the standard MS medium configuring in handbook or standard or textbook, trace element and micro-identical medium in standard MS medium by configuring in handbook or standard or textbook.The concentration of IBA in medium after IBA2.4～4.8mg/L refers to and configures is 2.4～4.8mg/L, and the above-mentioned form of presentation that in the application, other places adopt all should so be understood.Certainly, adopt for those skilled in the art conventional mineral salt, organic matter to be equal to replace or change among a small circle the concentration of certain mineral salt and MS minimal medium is cultivated to the scheme that large change do not occur performance and also should to belong in the scope of MS minimal medium indication in the application configuring MS minimal medium cited raw material mineral salt, organic matter in handbook or standard or textbook.In the application, preferably adopt potassium nitrate (KNO
3), ammonium nitrate (NH
4nO
3), magnesium sulfate (MgSO
4.7H
2o), potassium dihydrogen phosphate (KH
2pO
4), calcium chloride (GaCl
2), zinc sulphate (ZnSO
4﹒ 7H
2o), boric acid (H
3bO
3), sodium molybdate (NaMo0
4﹒ 5H
2o), copper sulphate (CuSO
4﹒ 5H
2o), cobalt chloride (CoCl
2﹒ 6H
20), the organic compound configuration MS minimal medium such as the mineral salt such as potassium iodide (KI) and sucrose, vitamin, amino acid.
This propagation method also comprises carries out hardening processing by the group training transplantation of seedlings obtaining after culture of rootage to hardening matrix, and hardening matrix is mixed and formed by 28～32 weight portion sawdust/rice husks, 23～27 weight portion yellow soils, 4～6 weight portion ash, 28～32 weight portion northeast peat, 4～6 weight portion perlites and 4～6 weight portion vermiculite.Because the matrix that follow-up transplanting is selected is huge on the survival rate impact of group training transplantation of seedlings, applicant finds by long term test, by group training transplantation of seedlings is carried out to hardening to above-mentioned hardening matrix, oil tea group training seedling can healthy and strong be grown, survival rate is high, improve follow-up oil tea seedling go up a hill transplant survival rate.
Concrete intercepting inoculation stem section and just culture, subculture are cultivated, culture of rootage operation is respectively:
Described inoculation stem section is the inoculation branch of the robust growth that intercepts from tea oil tree, every blade on inoculation branch is clipped to 3/4～5/6 and carry out clipping remaining blade and an inoculation branch base portion after cleaning and sterilizing again, then by an axillalry bud one stem section, intercepts and obtains.
Just culture: the inoculation stem section after sterilization is seeded in the inoculation bottle that is provided with first culture base, and inoculation bottle is tightened with sealed membrane sealing, again inoculation bottle lucifuge is processed 4～6 days, then carry out illumination cultivation 30～40 days, first culture base is MS+6-BA0.6～1.0mg/L+IAA0.07～1.3mg/L;
Subculture is cultivated: the aseptic seedling that first culture is obtained is transferred in the inoculation bottle that is provided with subculture medium carries out strong sprout and propagation cultivation simultaneously, cultivates 35～45 days, and subculture medium is MS+6-BA0.6～3.0mg/L+IAA0.06～1.5mg/L;
Culture of rootage: subculture is cultivated to the Multiple Buds obtaining and be cut into 1.2～2.0cm and contain respectively the aseptic seedling of tender shoots and be seeded in the inoculation bottle that is provided with root media and cultivate and take root, cultivate 25～35 days, root media is 1/2～1/8MS+IBA2.4～4.8mg/L+NAA2.2～4.6mg/L.
By the parameter of combinations thereof, implement technical scheme of the present invention, just the bud induction rate of culture can reach 93.3%, in subculture cultivation, the growth coefficient of aseptic seedling can reach more than 5.0, the rooting rate of culture of rootage can reach 91.4%, every strain group training seedling on average has 3.18 root systems, with respect to the other technologies parameter scheme that realizes the object of the invention, at reproduction coefficient and the group training seedling obtaining, increases significantly qualitatively.
Accompanying drawing explanation
Fig. 1 a, 1b are first culture;
Fig. 2 a, 2b are that subculture is cultivated;
Fig. 3 a, 3b are culture of rootage;
Fig. 4 a, 4b, 4c are hardening processing.
Embodiment
To pass through embodiment, next the present invention is further illustrated.Wherein operating 1 is that the various medium of configuration are bred by inoculation stem section with obtaining, operation 2 is just in culture base, inoculation stem section to be carried out to just culture in difference, operation 3 is to obtaining aseptic seedling after first culture, to carry out subculture cultivation in different subculture mediums, operation 4 is after subculture being cultivated in different root medias, to obtain aseptic seedling to carry out culture of rootage, and operation 5 is, in different hardening matrix, culture of rootage acquisition group training seedling is carried out to hardening processing.
Operation 1: configuration medium is used stem section with obtaining to breed
(a) configuration medium
Take respectively following mineral salt, organic matter, plant hormone and Organic additives stand-by;
Mineral salt: macroelement comprises potassium nitrate (KNO
3), ammonium nitrate (NH
4nO
3), magnesium sulfate (MgSO
4.7H
2o), potassium dihydrogen phosphate (KH
2pO
4), calcium chloride (GaCl
2) etc.; Trace element comprises zinc sulphate (ZnSO
4﹒ 7H
2o), boric acid (H
3bO
3), sodium molybdate (NaMo0
4﹒ 5H
2o), copper sulphate (CuSO
4﹒ 5H
2o), cobalt chloride (CoCl
2﹒ 6H
20), potassium iodide (KI) etc.;
Organic matter: comprise sucrose, vitamins and amino acid etc.;
Plant hormone: have growth hormone heteroauxin (IAA), indolebutyric acid (IBA), methyl α-naphthyl acetate (NAA), basic element of cell division 6-benzyl aminopurine (6-BA) and gibberellin.
Organic additives: Organic additives comprises artificial synthetic or natural organic matter, as fruit juice, carragheen.
By the arrangements MS minimal medium of recording in relevant criterion or operation manual or textbook, then get respectively first culture base, subculture medium and root media that the plant hormone of variable concentrations and kind and MS minimal medium are configured to various models, and stand-by after sterilization processing.
(b) obtain breeding inoculation stem section
Inoculation material gathers: for examination material, be taken from Mt. Huang in Anhui city institute of woods section oil tea breeding base, kind has Mount Huang No. 1, No. 2, No. 4 and six kinds such as long woods No. 4, No. 27, No. 56.Acquisition time, in April～August, is selected in fine day without the dew time period, raw without infecting, without the tender tip of damage by disease and insect, robust growth, as just culture material of oil tea explant then to set body middle and upper part.The oil tea explant of adopting is back divided into four parts, and three parts install sealing with plastics freshness protection package, are housed in the refrigerator of 3～5 ℃ standby not same date inoculation survival rate comparative trial.
The processing of inoculation branch: every blade will inoculate on branch (explant) cuts off 3/4～5/6, puts into beaker liquid detergent foam washing secondary, and then washes away liquid detergent with clear water, cushions 1h with running water after clean again.The oil tea inoculation branch drop water purification of buffering 1h is put on biological cleaning workbench, and with removing alcohol after 75% alcohol-pickled 30s, the mercuric chloride solution of pouring fast again proportioning 1 ‰ into soaks sterilizing 10～20min, according to the tender degree of oil tea inoculation branch, determines sterilization time.During sterilizing, container is jiggled, make each position of inoculation branch all touch mercuric chloride solution, after sterilizing, remove mercuric chloride solution, use again sterile water continuous flushing more than 8 times, often all over rocking, rinse about 30s, then with aseptic blotting paper, blot and cut off remaining blade and clip the base portion of inoculation branch, then by bottom inoculation branch to ending, take an axillalry bud as a stem section, intercept, stand-by as an inoculation stem section.
Operation 2: first culture
Transfer room and equipment disinfection sterilizing: first the uviol lamp of transfer room is opened to sterilization 30min, connect afterwards clean work station power supply, start fan blower, light switch, infrared oese sterilizer, with 75% alcohol spraying clean work station inwall; 75% alcohol is cleaned scissors, tweezers, and puts into 50 ℃～825 ℃ infrared oese sterilizer high-temperature sterilizations, reach take out after sterilization effect cooling; The sterile water disinfecting, aseptic paper, aseptic blotting paper are placed on clean work station standby.
Inoculation: the inoculation stem section of intercepting is inoculated in the inoculation bottle of first culture base that contains various models as shown in table 1, and numbers just 1 group～first 6 groups, 10 bottles every group, 3 inoculation stem sections of every bottle graft kind, sealed membrane is tightened bottleneck, is placed in culturing room and cultivates.Just for inoculated and cultured, need after 5 days, start illumination in dark place, greenhouse reason, 25～28 ℃ of culturing room's temperature, humidity 60%, every day light application time 10h, intensity of illumination 1000～1500LX.
The first culture situation of observing inoculation stem section in each inoculation bottle, cultivation results is specifically as shown in table 1.
The first culture base of table 1 different model to inoculation stem section at the beginning of the cultivation results of culture
In table 1, just the result of the test of culture shows, best with the effect that just culture base is cultivated in first 6 groups, and not only bud induction survival rate is up to 93.3%, and axillalry bud growing way is better, as shown in Fig. 1 a, 1b; Secondly for first 5 groups of medium buds induction survival rate also reaches 76.7%, axillalry bud growing way is better; Although first 4 groups of medium buds induction survival rate also reaches 73.3%, axillalry bud growing way is general.Although first 1 group, first 2 groups of medium buds induction survival rate are higher, axillalry bud growing way is bad, first 3 groups of culture medium inoculateds failure.
Operating 3 subcultures cultivates
5 leaf 1 terminal buds that obtain take first culture, length, are seeded to respectively in the inoculation bottle of the as shown in table 2 subculture medium that is provided with different model as material the aseptic sprouting of 1.2cm left and right, and label continues 1～continues 11 groups, and 10 bottles every group, 3 of every bottle grafts.
Observe the cultivation situation in each inoculation bottle, result is specifically as shown in table 2.
The subculture medium of table 2 different model carries out the cultivation results of subculture cultivation
From the result of recording in table 2, in 11 subculture cultivation groups, to continue, 6 groups, continue 7 groups, continue 8 groups, strong sprout, the propagation of the subculture medium of 9 groups of continuing to aseptic seedling are cultivated as best, as shown in Fig. 2 a, 2b; When 6-BA2.0～3.0mg/L+IAA0.07～0.1mg/L, growth coefficient all more than 5.0, Multiple Buds robust growth.And five processing methods of 6-BA0.6～1.5mg/L+IAA0.06～1.0mg/L and two processing methods of 6-BA2.0～3.0mg/L+IAA1.5mg/L, its growth coefficient is all lower than 5.0.
Operate 4 culture of rootage
Shoot proliferation is cultivated to the Multiple Buds obtaining and be cut into the stem section of 1.5cm left and right, be inoculated in the inoculation bottle of the root media that contains different model as shown in table 3 and carry out culture of rootage, raw 1～raw 3 groups of numbering, observes the cultivation situation in each inoculation bottle, and cultivation results is specifically as shown in table 3.
As shown in Table 3, through 10 days culture of rootage, group training seedling started to have the former base of root to occur, after 30 days, in raw 1 group of medium, 243 strain inoculation aseptic seedling, have 222 strains to take root, rooting rate reaches 91.4%, 707 of total root systems, 3.18 root systems of average every strain, the longest root system reaches 2.8cm, as shown in Fig. 3 a, 3b.In raw 2 groups of medium, 50 strain inoculation aseptic seedling, have 40 strains to take root, rooting rate is 80%.In raw 3 groups of medium, 60 strain inoculation aseptic seedling, have 36 strains to take root, rooting rate is 60%.Therefore, can see 1 group of medium culture best results used of birth.
The different root medias of table 3 carry out the result of culture of rootage
Operate 5 hardening processing
The oil tea group training seedling after culture of rootage with complete root system is taken out from inoculation bottle, root medium is rinsed well with running water, be transplanted to be respectively equipped with in the plastic basin of 3 kinds of different substrates that yellow soil adds peat, light substance Nutrition Soil and multiple types Nutrition Soil and cultivate, 1: 2500 solution disinfection of potassium permanganate for matrix.Observe and transplant rear group training seedling upgrowth situation.
Yellow soil adds peat growing medium preparation: 48～52% yellow soil+48～52% northeast peat, pH3.6.For transplanting the bottom of little plastic basin of hardening, to put 1/4 clear water husky ventilative, upper strata is filled to 3/4 of basin by the Nutrition Soil of preparation, hardening 30 strains, after cultivation, irrigate normal root water (thimerosal of preparation), cover upper film moisturizing (humidity 76% left and right), be placed in 25～28 ℃ of greenhouses and cultivate, light application time 10h, intensity of illumination 1000～1500LX.
Light substance Nutrition Soil substrate preparation: 48～52% yellow soil+28～32% northeast peat+9～11% perlite+9～11% vermiculites, slow fertilising 3kg/m
3, pH4.7.For transplanting the bottom of little plastic basin of hardening, to put 1/4 clear water husky ventilative, upper strata is filled to 3/4 of basin by the Nutrition Soil of preparation, hardening 30 strains, after cultivation, irrigate normal root water (thimerosal of preparation), cover upper film moisturizing (humidity 76% left and right), be placed in 25～28 ℃ of greenhouses and cultivate, light application time 10h, intensity of illumination 1000～1500LX.
Multiple types Nutrition Soil substrate preparation: 28～32% sawdust (or rice husk), 23～27% yellow soils, 4～6% ash, 28～32% northeast peat, 4～6% perlites, 4～6% vermiculites, slow fertilising 3kg/m
3, pH4.86.For transplanting the bottom of little plastic basin of hardening, to put 1/4 clear water husky ventilative, upper strata is filled to 3/4 of basin by the mesh bag Nutrition Soil of preparation, hardening 240 strains, after cultivation, irrigate normal root water (thimerosal of preparation), cover upper film moisturizing (humidity 76% left and right), be placed in 25～28 ℃ of greenhouses and cultivate, light application time 10h, intensity of illumination 1000～1500LX.
Result:
(a) transplant after the 3rd day, take yellow soil, add the group training seedling that peat transplants as matrix and substantially all fall leaf, only remaining top, within 3～5 days, group training seedling is all dead, and the group training seedling growing way of transplanting take light substance Nutrition Soil and multiple types Nutrition Soil as matrix is better.
(b) transplant rear two weeks, the group of transplanting take light substance Nutrition Soil as matrix training seedling growing way is general, because this Nutrition Soil moisture content easily evaporates, therefore within about one week, waters once, keeps Nutrition Soil moisture.The group training seedling of transplanting take multiple types Nutrition Soil as matrix grows fine, and Nutrition Soil water conservation performance of keeping humidity is good.
(c) transplant latter one month, the part group training seedling of transplanting with light substance Nutrition Soil starts to send out young leaves, and growing way is slower, and storage rate is more than 85%; The group training seedling of transplanting with multiple types Nutrition Soil substantially all grows 1～3 young leaves, robust growth, then through the cultivation of month, storage rate was up to 96.9%, as shown in Fig. 4 a, 4b, 4c.After this can transfer to land for growing field crops hardening, need the moisture-heat preservation processing of shading.
Claims (1)
1. oil tea group is trained a propagation method for seedling, it is characterized in that: comprise that the inoculation stem section that on oil tea plant, intercepting sterilization obtains is carried out to just culture, subculture cultivates and the aseptic seedling after subculture cultivation is carried out to culture of rootage;
Described inoculation stem section is the inoculation branch of the robust growth that intercepts from tea oil tree, every blade on inoculation branch is clipped to 3/4～5/6 and carry out clipping remaining blade and an inoculation branch base portion after cleaning and sterilizing again, then by an axillalry bud one stem section, intercepts and obtains;
Concrete operating procedure is:
Just culture: the inoculation stem section after sterilization is seeded in the inoculation bottle that is provided with first culture base, and inoculation bottle is tightened with sealed membrane sealing, again inoculation bottle lucifuge is processed 4～6 days, then carry out illumination cultivation 30～40 days, first culture base is MS+6-BA 0.6～1.0mg/L+IAA 0.07～1.3 mg/L;
Subculture is cultivated: the aseptic seedling that first culture is obtained is transferred in the inoculation bottle that is provided with subculture medium carries out strong sprout and propagation cultivation simultaneously, cultivates 35～45 days, and subculture medium is MS+6-BA 1.3～3.0mg/L+IAA 0.06～1.5mg/L;
Culture of rootage: subculture is cultivated to the Multiple Buds obtaining and be cut into 1.2～2.0cm and contain respectively the aseptic seedling of tender shoots and be seeded in the inoculation bottle that is provided with root media and cultivate and take root, cultivate 25～35 days, root media is 1/2～1/8 MS+IBA 2.4～4.8mg/L+NAA 2.2～4.6mg/L.
2, the propagation method of oil tea group training seedling as claimed in claim 1, it is characterized in that: this propagation method also comprises carries out hardening processing by the group training transplantation of seedlings obtaining after culture of rootage to hardening matrix, and hardening matrix is mixed and formed by 28～32 weight portion sawdust/rice husks, 23～27 weight portion yellow soils, 4～6 weight portion ash, 28～32 weight portion northeast peat, 4～6 weight portion perlites and 4～6 weight portion vermiculite.
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| CN106069349A (en) * | 2016-08-03 | 2016-11-09 | 张琦 | A kind of oil tea cutting seedling transplants Light medium |
| CN113767850A (en) * | 2021-10-15 | 2021-12-10 | 上海培林生物科技有限公司 | Method for promoting proliferation and rooting of camellia oleifera and application thereof |
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| CN102696480B (en) * | 2012-05-07 | 2013-07-17 | 广西壮族自治区林业科学研究院 | Method for culturing aseptic oil tea buds in test tube by using sand matrix |
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2013
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