CN105567569A - Culture method for mycosphaerella arachidicola of dendrobium sw. - Google Patents

Culture method for mycosphaerella arachidicola of dendrobium sw. Download PDF

Info

Publication number
CN105567569A
CN105567569A CN201510918364.2A CN201510918364A CN105567569A CN 105567569 A CN105567569 A CN 105567569A CN 201510918364 A CN201510918364 A CN 201510918364A CN 105567569 A CN105567569 A CN 105567569A
Authority
CN
China
Prior art keywords
strawberry
substratum
herba dendrobii
sucrose
brown
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
CN201510918364.2A
Other languages
Chinese (zh)
Other versions
CN105567569B (en
Inventor
王汉荣
王连平
方丽
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.)
Zhejiang Academy of Agricultural Sciences
Original Assignee
Zhejiang Academy of Agricultural Sciences
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 Zhejiang Academy of Agricultural Sciences filed Critical Zhejiang Academy of Agricultural Sciences
Priority to CN201510918364.2A priority Critical patent/CN105567569B/en
Publication of CN105567569A publication Critical patent/CN105567569A/en
Application granted granted Critical
Publication of CN105567569B publication Critical patent/CN105567569B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14Fungi; Culture media therefor
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2500/00Specific components of cell culture medium
    • C12N2500/70Undefined extracts
    • C12N2500/76Undefined extracts from plants

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Botany (AREA)
  • Mycology (AREA)
  • Virology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention provides a culture method for mycosphaerella arachidicola of dendrobium sw.. The method comprises the following step of providing a strawberry decoction culture medium, wherein every 1,000 milliliters of strawberry decoction culture medium comprises: 200 grams of strawberry stems and leaves, 20 grams of sucrose, 20 grams of agar and the balance of water. By the culture medium and the culture method, a large number of spores of the mycosphaerella arachidicola can be obtained.

Description

A kind of cultural method of Herba Dendrobii brown patch germ
Technical field
The invention belongs to microorganism field, especially, belong to and adopt cultural method to cultivate the cultural method of Herba Dendrobii brown patch germ.
Background technology
Herba Dendrobii (DendrobiumSw.) has another name called Herba hedyotis costatae, Yunnan iron sheet, and being the perennial herbaceous plant that grows nonparasitically upon another plant of the orchid family (Orchidaceae), is a kind of Chinese medicinal materials of preciousness.Just on the books in Shennong's Herbal, there is nourishing Yin and clearing heat, the beneficial stomach that promotes the production of body fluid, moisten the lung and relieve the cough, improving eyesight is kept fit, effect of easing pain and diminishing inflammation.Simultaneously modern study shows, stem of noble dendrobium medicinal material except have that book on Chinese herbal medicine records etc. except effect, also there is the effects such as antitumor, radioprotective, anti-platelet aggregation and enhancing body immunizing power.The demand of stem of noble dendrobium medicinal material constantly increases in recent years, and constantly bringing forth new ideas of cultivation technique makes the area of the artificial growth stem of noble dendrobium constantly increase, but along with the increase of concentrated cultivated area, produced problem is also on the increase, there is multiple different disease, such as Herba Dendrobii brown spot in growing dendrobium.Stem of noble dendrobium blade catch an illness after scab just in the filbert point to chocolate, rear point expands as the scab of about 5 ~ 6mm gradually.This not only affects the quality of the stem of noble dendrobium, also affects the output of the stem of noble dendrobium, and tool statistics brown spot causes production loss 5%-10%.Prevent the generation of brown spot and amplification from contributing to improving the yield and quality of stem of noble dendrobium production, guarantee the development that stem of noble dendrobium industry is healthy and orderly.In order to study the brown spot of how to prevent and treat Herba Dendrobii, just need first to cultivate brown spot to carry out the research of some aspects, such as study the biological characteristics of this germ, the test of pesticide effectiveness etc. filter out suitable medicine and prevent and treat.But this germ is difficult to cultivate, and yields poorly, for this reason, need to provide the research how high efficiency cultivation brown spot germ carries out related fields.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of method of cultivating Herba Dendrobii brown patch germ, the method comprises: provide strawberry to decoct juice substratum, wherein this strawberry decocts consisting of of juice substratum: strawberry cauline leaf 200g, sucrose 20g, agar 20g, adds and adds water to 1000ml.
Preferably, strawberry cauline leaf 200g is prepared through following process: in frying pan, put into 1000mL distilled water and 200g strawberry cauline leaf, after boiling 5min, filters and removes cauline leaf, add 20g sucrose, be settled to 1000mL.
Preferably, the pH value of cultivation is 7.
Preferably, the temperature of cultivation is 25-30 degree Celsius.
Preferably, described Herba Dendrobii brown patch germ is many beaks Phoma sp (Phomamultirostrata (Mathuretal.) Dorenboseh & Boerema).
On the other hand, the invention provides strawberry and decoct the purposes of juice substratum in making cultivation Herba Dendrobii brown patch germ substratum, wherein said strawberry is decocted juice substratum and is made up of following component: strawberry cauline leaf 200g, sucrose 20g, agar 20g.
Preferably, preferably, strawberry cauline leaf 200g is prepared through following process: in frying pan, put into 1000mL distilled water and 200g strawberry cauline leaf, boil 5min, filters and removes cauline leaf, add 20g sucrose, be settled to 1000mL.
Preferably, the pH value of cultivation is 7.
Preferably, the temperature of cultivation is 25-30 degree Celsius.
Preferably, described Herba Dendrobii brown patch germ is many beaks Phoma sp (Phomamultirostrata (Mathuretal.) Dorenboseh & Boerema).
On the other hand, the invention provides a kind of method of cultivating Herba Dendrobii brown patch germ, the method comprises provides a kind of substratum, this cultivation composed as follows: nitrogen source compound 3g, dipotassium hydrogen phosphate 1g, magnesium sulfate (MgSO47H2O) 0.5g, Repone K 0.5g, ferrous sulfate 0.01g, sugar source material 30g, agar 20g, adds and adds water to 1000mL, and wherein said sugared source material is maltose, sucrose, synanthrin, ribose, fructose, lactose, rhamnosyl, sorbyl alcohol or fiber biose.
Preferably, sugared source material is fiber biose.
Preferably, described nitrogen source compound is L-PROLINE, Valine, L-Phe, L-Trp or saltpetre.
Preferably, described nitrogen source compound is L-PROLINE, Serine and L-Trp.
A kind of substratum is for the preparation of the purposes of cultivating in Herba Dendrobii brown patch germ substratum, wherein, described substratum composed as follows: nitrogen source compound 3g, dipotassium hydrogen phosphate 1g, magnesium sulfate (MgSO47H2O) 0.5g, Repone K 0.5g, ferrous sulfate 0.01g, sugar source material 30g, agar 20g, wherein said sugared source material is maltose, sucrose, synanthrin, ribose, fructose, lactose, rhamnosyl, sorbyl alcohol or fiber biose.
Preferably, sugared source material is fiber biose.
Preferably, described nitrogen source compound is L-PROLINE, Valine, L-Phe, L-Trp or saltpetre.
Preferably, described nitrogen source compound is L-PROLINE, Serine and L-Trp.
Preferably, described Herba Dendrobii brown patch germ is many beaks Phoma sp (Phomamultirostrata (Mathuretal.) Dorenboseh & Boerema).
Effective effect
By specific culture medium of the present invention and cultural method, high-quality, a large amount of brown patch germs can be obtained, for research brown patch germ provides useful material, particularly can provide a large amount of spores.
Specific embodiment
1 materials and methods
The separation of the sick sample collection of 1.1 Herba Dendrobii brown spots and pathogenic bacteria
Herba Dendrobii brown spot sick sample in field is collected in the iron maple hall Herba Dendrobii base, Leqing in Wild Goose and Reed Marsh Mountains town, Leqing county of Zhejiang Province, Leqing with rich Herba Dendrobii base, Lingyan Crag Herba Dendrobii base, Leqing; After sampling, standard specimen is put into freshness protection package to take back laboratory and be placed in 5 DEG C of refrigerators, stand-by.Cut Herba Dendrobii brown spot microscopy and be separated with line respectively at carrying out conventional organization separation with PSA substratum.
1.2 Pathogenicity
Adopt respectively to be separated and (be diluted to 1 × 10 from the mycelia of the sick sample isolate of Herba Dendrobii brown spot and conidium liquid 6individual/mL), spray live body wound is carried out to the stem of noble dendrobium and inoculates without wound, in the XT5401-CD275TJH intelligent biological growth cabinet of 25 DEG C, more than RH98%, cultivate after 12 h light 12 h dark inoculations, with the branch of health for contrast, repeat 3 times, timing every day observed and recorded incidence, analyzes pathogenic.
The cultural colony of 1.3 pathogenic bacterias
Pathogenic bacteria is inoculated on PSA and cultivates 7d in 25 DEG C, record colonial morphology, color; Measure 100 conidial sizes, repeat 3 times, record mean value.
1.3.1 different culture media impact that Herba Dendrobii Pathogenic Bacteria Causing Brown Blotch Disease mycelial growth and conidium are produced.
Pathogenic bacteria by the culture medium culturing in following table in 25 DEG C, often processes repetition 6 times, measures colony diameter, dry mycelial weight, pycnidial production and bacterium colony color and luster thereof etc. after 5d.
Table 1: the formula of different culture media
* decoct the set-up procedure of juice substratum: in frying pan, put into 1000mL distilled water and the corresponding article of 200g, after boiling 5min, filter reserved filtrate, add 20g sucrose, be settled to 1000mL.
1.3.2, for most preferred substratum (strawberry decocts juice substratum), we determine different pH value on Herba Dendrobii brown patch germ mycelial growth and conidial impact by the mycelia block of diameter 4.0mm the strawberry moved in the different pH value of pH value 4-12 decoct (pH value adopts pHS-9V acidometer to measure preparation) on juice substratum, be placed in 25 DEG C of cultivations, often process repetition 6 times, measure bacterium colony dry weight after 6d, calculate conidium quantity.
1.3.3 the mycelia block of diameter 4.0mm to move Herba Dendrobii brown patch germ mycelial growth and conidial impact and decocts on juice culture medium flat plate in strawberry by differing temps, be placed in 5 DEG C, 10 DEG C, 15 DEG C, 20 DEG C, 25 DEG C, 30 DEG C, cultivate under 35 DEG C of differing tempss, often process repetition 6 times, after 6d, measure colony diameter and conidium quantity.
1.3.4 different carbon source is on Herba Dendrobii brown patch germ mycelial growth and conidial impact.
Through our large quantity research, find, in time decocting juice substratum with strawberry to study the impact on this Pathogen culture of optimum carbon source and nitrogenous source, find that different carbon sources is to the proterties of cultivating (bacterium colony dry weight and product spore situation) not tangible difference, that is different carbon sources or nitrogenous source seem to play same effect, do not have tangible improvement and impact, equally, on the substratum that other are similar, such as bark decocts juice substratum, sugarcane decocts juice substratum, lotus leaf decocts juice substratum, oat medium (OMA substratum) obtains decocts the similar result of juice substratum (concrete data slightly) with strawberry.
On the contrary, substratum based on Cha Shi substratum, again respectively with 20 kinds of different carbon source equivalent displacement sucrose (content is the same with sucrose) such as seminose, glucose, sucrose, soluble starch, semi-lactosi, trehalose, N.F,USP MANNITOL, wood sugar, DEAE Mierocrystalline cellulose, ethanol, ribose, fructose, sorbose, sorbyl alcohol, rhamnosyl, synanthrin, lactose, maltose, sodium cellulosate, fiber biose, cultivate at 25 DEG C, often process repetition 6 times, colony diameter is measured after 6d, observe bacterium colony dry weight and produce spore situation, obtain different results, specifically see interpretation of result.
1.3.5 different nitrogen sources is on Herba Dendrobii brown patch germ mycelial growth and conidial impact.
Substratum based on Cha Shi substratum, use L-glutamic acid respectively, glutaminase, aspargine, aspartic acid, glycine, leucine, Isoleucine, Cys, CYSTINE, tyrosine, 1B, L-threonine, L-arginine, L-Phe, L-Histidine, Serine, L-PROLINE, L-Methionine, Valine, L-Trp, ALANINE, casein hydrolysate, urea, ammonium sulfate, saltpetre, 26 kinds of nitrogenous source equivalent displacement saltpetre such as Sodium Nitrite or SODIUMNITRATE (quality is the same with saltpetre), be placed in 25 DEG C of cultivations, often process repetition 6 times, colony diameter is measured after 6d, observe bacterium colony dry weight and produce spore situation.
2..0 results and analysis
The symptom of 2.1 Herba Dendrobii brown spots
Brown spot only infects the blade of Herba Dendrobii.Blade catch an illness after scab just in the filbert point to chocolate, rear point expands gradually, maximum scab about 5 ~ 6mm.Scab is circular or oval, filbert to chocolate, and sick strong intersection often has the haloing of a circle brown sometimes.Scab intermediate recess.Time serious, blade occurs many scabs not of uniform size, general young leaves is not caught an illness.
The separation of 2.2 pathogenic bacterias and Pathogenicity
Carry out line separation to tens stem of noble dendrobium brown spot standard specimens to be separated with conventional organization, after 5d, culture dish grows a small amount of bacterium and different fungies, under these bacteriums and fungi being placed in suitable temperature and humidity conditions, the inspection of Ke He rule is carried out to the branches and leaves in identical Herba Dendrobii health, find that these bacteriums are mostly genus bacillus, be non-pathogenic bacteria; Wherein repeated isolation to a kind of fungal isolates be doubtful pathogen.Inoculation inspection is carried out at the branches and leaves of identical Herba Dendrobii health under this fungal isolates being placed in suitable temperature and humidity conditions, these fungal isolates all cause a disease to stem of noble dendrobium leaf, illness and field basically identical, be accredited as by molecular biological method and be stem of noble dendrobium Pathogenic Bacteria Causing Brown Blotch Disease.
The form of 2.3 pathogenicbacteria separation things and cultural colony
Pathogenic bacteria is on PSA, and mycelia becomes radial growth, aerial hyphae canescence, and down shape is more flourishing.Be laid on substratum, initial stage bacterium colony (especially at its edge) is light pink, transfers grey to immediately, transfer brown to by grey again, finally transfer chocolate to by brown, bacterium colony also becomes carbonaceous, the culture dish back side is chocolate radiation striated, conidium group orange.On host, under pathogenic bacteria acervulus is born in Cuticle, dispersion or symphysis, break through epidermis and expose, irregular cracking, scattered bristle after ripe, bristle brown to dun, a tool 1-3 barrier film, straight or micro-curved, gradually sharp and look light to top; Conidiophore is colourless, and conidiogenous cell is cylindrical, colourless, conidium unit cell, colourless, Long Circle or ellipse, and one end is slightly sharp, (14 ~ 15) μm × (4.5 ~ 6) μm, sometimes oily globule.Appressorium is produced, appressorium brown, long club shape or in irregular shape, (9 ~ 10) μm × (5 ~ 6) μm when mycelia or germ tube tip contact solid interface.
2.5 pathogen identification
According to the result of study (specific experiment data slightly) of the morphological feature of the pathogenicbacteria separation thing to Herba Dendrobii brown spot, cultural colony and Pathogenicity, consult monograph (Zhang Zhongyi etc., 1986; Lu Jiayun, 2001) and Wu Wenping (1991) to the research of Myrothecium 4 kinds; Determine that Herba Dendrobii brown spot is caused by Deuteromycotina (Deuteromycotina), Sphaeropsidales (Sphaeropsidales), Sphaeropsidaceae (Sphaerioidaceae), Phoma (Phoma), many beaks Phoma sp (Phomamultirostrata (Mathuretal.) Dorenboseh & Boerema).
2.6 different culture medias are on the impact (concrete structure is in table 2) of stem of noble dendrobium brown patch germ mycelial growth
Stem of noble dendrobium brown patch germ at PSA substratum, OMA substratum, Cha Shi substratum, juice substratum decocted by the stem of noble dendrobium, bark decocts juice substratum, sweet potato decocts juice substratum, strawberry decocts juice substratum, lotus leaf is decocted on 8 kinds of different culture medias such as juice substratum (table 1), grow under 25 DEG C of constant temperature.Measurement result shows that this bacterium all can grow on tested substratum, wherein stem of noble dendrobium brown patch germ decocts juice substratum sweet potato, lotus leaf decocts juice substratum, OMA substratum, strawberry decoct juice substratum grows the fastest, the speed of growth (logistic rate of increase) reaches as high as 8.013,7.553,7.594,7.956.But this bacterium colony sweet potato decoct juice substratum and lotus leaf decoct juice substratum grows thinner, biomass dry weight is obviously little than PSA substratum, the comprehensive speed of growth and increment, and this bacterium is PSA substratum, OMA substratum compared with the substratum of suitable growth, bark decocts juice substratum, and strawberry decocts juice substratum.
This bacterium all can produce the pycnidium of black on tested substratum, and wherein decoct the pycnidium quantity of juice substratum generation at most with strawberry, quantity can reach 0.85 × 10 4individual/mL, processes with other and reaches pole significant difference (making a concrete analysis of process slightly), secondly decoct juice substratum (process with other and reach significant difference) for PSA, OMA substratum and bark.Therefore OMA substratum, PSA substratum and strawberry decoct juice substratum is the suitableeest product spore substratum.Because the pycnidium producing black is an approach the most effective of effectively breeding this pathogenic bacteria, the growth being beneficial to these spores can carry out the screening of super disease carrying germ and super resistance germ, carries out fundamental research the most helpful for this disease of control.
Table 2 different culture media is on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Note: r (t=7d) is the average daily rate of increase of area of colony, the logistic that r (logit) is area of colony equal rate of increase on duty for the day; T (s=50%) is that the colony growth that estimates according to r (logit) value is to ware half of the area required time (d); Culture temperature 25 DEG C.
All variance analysis has been carried out for partial data of the present invention, analysis between each process connects stock and is all indicated in corresponding process, wherein, when on each, target letter is not identical time (single letter), represent to there is significant difference between them, if upper target letter is two or more, represent there is no difference between them, but there is significant difference between the process of single letter and 2 alphabetical process.Their relation is easily understood after the general personnel of this area see such method for expressing.
2.7pH value is on the impact (table 3) of stem of noble dendrobium brown patch germ mycelial growth and illumination
Stem of noble dendrobium brown patch germ all can grow in pH value 3 ~ 12 scope after measured, when pH is 5.0 ~ 11.0, bacterium colony propagation rate is very fast, its colony diameter logistic rate of increase reaches 0.391 ~ 0.502 respectively, be wherein that 7.0 growths are the fastest with pH value, its colony diameter logistic rate of increase reaches 0.587 (table 3).Germ, pH value 6.0 ~ 8.0 time, can produce more conidium, and be wherein that 7.0 generation conidium amounts are maximum with pH value, the conidium number of every ware reaches 0.90 × 10 4.The dry weight of colony growth is be medium thickness between 3.0 ~ 12.0 in pH value.This bacterium mycelial growth being described and producing conidial optimum pH is 7.0, and this bacterium likes neutral growing environment.
The different pH value of table 3 is on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Note: r (t=7d) is the average daily rate of increase of area of colony, the logistic that r (logit) is area of colony equal rate of increase on duty for the day; T (s=50%) is that the colony growth that estimates according to r (logit) value is to ware half of the area required time (d); Culture temperature 25 DEG C.
2.8 temperature are on the impact (table 4) of stem of noble dendrobium brown patch germ mycelial growth and illumination
Stem of noble dendrobium brown patch germ all can grow within the scope of 10 DEG C ~ 35 DEG C after measured, wherein comparatively suitable with 15 DEG C ~ 30 DEG C growths, less than 10 DEG C or more than 35 DEG C, and growth almost stops.Be wherein the suitableeest with 25 DEG C ~ 30 DEG C, its colony diameter logistic rate of increase reaches 0.81 ~ 0.84 (table 4).In the conidium that 20 DEG C ~ 35 DEG C all can be formed, maximum with the conidium amount formed with 25 DEG C ~ 30 DEG C, the raw spore count of every ware reaches 0.85 × 10 4~ 0.89 × 10 4.Within the scope of 10 DEG C ~ 35 DEG C bacterium colony dry weight medium more than, 20 DEG C ~ 30 DEG C time, bacterium colony dry weight is thick.Therefore, stem of noble dendrobium brown patch germ optimum growth within the scope of 25 DEG C ~ 30 DEG C.
Table 4 differing temps is on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Temperature r(t=7d) r(logit) t(S=50%) Every ware spore device number (× 10 4) Color and luster
5℃ / / / 0 /
10℃ 1.259 0.332 16.3 0 Black
15℃ 2.526 0.43 12.58 0 Black
20℃ 12.115 0.704 7.68 0.47 b Black
25℃ 17.992 0.81 6.68 0.85 a Black
30℃ 19.624 0.84 6.44 0.89 a Black
35℃ 0.724 0.261 20.73 0.42 b Black
Note: r (t=7d) is the average daily rate of increase of area of colony, the logistic that r (logit) is area of colony equal rate of increase on duty for the day; T (s=50%) is that the colony growth that estimates according to r (logit) value is to ware half of the area required time (d); Culture temperature 25 DEG C.
2.9 carbon sources are on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Measure display to 20 kinds of carbon sources, stem of noble dendrobium brown patch germ all can grow on other carbon source substratum except DEAE Mierocrystalline cellulose.Fast growth have maltose, sucrose, synanthrin, ribose, fructose, lactose, rhamnosyl, sorbyl alcohol, fiber biose etc. 8 kinds, but there is part colony growth thin, in conjunction with the dry weight that bacterium colony is nourished and grown, comparatively suitable substratum is sucrose, seminose, ribose, fructose, lactose, glucose, fiber biose.
Cultivate after 10 days, this bacterium all can produce the pycnidium of black on kind of the carbon source substratum of 19 except DEAE Mierocrystalline cellulose, according to pycnidium output, the substratum that pycnidium output is large has fiber biose, sucrose, soluble starch, maltose, lactose, glucose, rhamnosyl etc. 7 kinds, and its sporulation quantity is 1.19 × 10 4~ 2.15 × 10 4.Particularly the product spore quantity of fiber biose is significantly beyond sucrose.
In sum, the carbon source of this bacteria growing of optimum is for being sucrose, soluble starch, maltose, fiber biose, lactose, glucose, rhamnosyl, sorbyl alcohol, fructose, synanthrin etc. 10 kinds.Wherein when carbon source is fiber biose, this bacterium can produce more conidium, and optimum is bred.
Table 5 different carbon source is on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Note: r (t=7d) is the average daily rate of increase of area of colony, the logistic that r (logit) is area of colony equal rate of increase on duty for the day; T (s=50%) is that the colony growth that estimates according to r (logit) value is to ware half of the area required time (d); Culture temperature 25 DEG C.
2.10 nitrogenous sources are on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Through 27 kinds of organonitrogens and inorganic nitrogen, the mensuration to stem of noble dendrobium brown patch germ mycelial growth and illumination shows: this bacterium all can utilize organonitrogen and inorganic nitrogen growth and breed, wherein with the comparatively suitable mycelial growth of L-PROLINE, Valine, L-Phe, L-Trp, saltpetre, its colony diameter logistic rate of increase reaches 0.545 ~ 0.616 (table 6).This bacterium all can form conidium on various nitrogenous source, and wherein L-PROLINE, Serine, Sodium Nitrite, casein hydrolysate etc. are suitable for conidial generation, and the raw spore count of every ware reaches 0.70 × 10 4~ 0.86 × 10 4.Average dry weight is at more than 0.65g.Nourishing and growing and flourish of comprehensive pathogenic bacteria, therefore, L-PROLINE, Serine and L-Trp are the nitrogenous sources being suitable for this bacterium.
Table 6 different nitrogen sources is on the impact of stem of noble dendrobium brown patch germ mycelial growth and illumination
Note: r (t=7d) is the average daily rate of increase of area of colony, the logistic that r (logit) is area of colony equal rate of increase on duty for the day; T (s=50%) is that the colony growth that estimates according to r (logit) value is to ware half of the area required time (d); Culture temperature 25 DEG C.

Claims (8)

1. a cultural method for Herba Dendrobii brown patch germ, the method comprises: provide strawberry to decoct juice substratum, wherein this strawberry decocts consisting of of juice substratum: strawberry cauline leaf 200g, sucrose 20g, agar 20g, adds and add water to 1000ml.
2. method according to claim 1, wherein, the preparation method that strawberry decocts juice substratum is: in frying pan, put into 1000mL distilled water and 200g strawberry cauline leaf, and after boiling 5min, filter and remove cauline leaf, add 20g sucrose, agar 20g, is settled to 1000mL.
3. method according to claim 1, wherein, the pH value of cultivation is 7.
4. method according to claim 1, wherein, the temperature of cultivation is 25-30 degree Celsius.
5. method according to claim 1, wherein, described Herba Dendrobii brown patch germ is many beaks Phoma sp.
6. strawberry is decocted juice substratum and is making a purposes of cultivating in Herba Dendrobii brown patch germ substratum, and wherein said strawberry is decocted juice substratum and is made up of following component: strawberry cauline leaf 200g, sucrose 20g, agar 20g.
7. purposes according to claim 6, wherein, the preparation method that strawberry decocts juice substratum is: in frying pan, put into 1000mL distilled water and 200g strawberry cauline leaf, boil 5min, filters and removes cauline leaf, add 20g sucrose and agar 20g, be settled to 1000mL.
8. purposes according to claim 6, wherein, the pH value that described strawberry decocts juice substratum is 7.
CN201510918364.2A 2015-12-11 2015-12-11 A kind of cultural method of dendrobium candidum brown patch germ Expired - Fee Related CN105567569B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510918364.2A CN105567569B (en) 2015-12-11 2015-12-11 A kind of cultural method of dendrobium candidum brown patch germ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510918364.2A CN105567569B (en) 2015-12-11 2015-12-11 A kind of cultural method of dendrobium candidum brown patch germ

Publications (2)

Publication Number Publication Date
CN105567569A true CN105567569A (en) 2016-05-11
CN105567569B CN105567569B (en) 2019-02-26

Family

ID=55878204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510918364.2A Expired - Fee Related CN105567569B (en) 2015-12-11 2015-12-11 A kind of cultural method of dendrobium candidum brown patch germ

Country Status (1)

Country Link
CN (1) CN105567569B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106701651A (en) * 2017-03-30 2017-05-24 福建农林大学 Culture medium for promoting growth of monilinia fructicola
CN111471601A (en) * 2020-06-08 2020-07-31 广东省生物工程研究所(广州甘蔗糖业研究所) Method for culturing brown spot germs of sugarcane

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104195055A (en) * 2014-09-10 2014-12-10 江苏农林职业技术学院 Fusarium oxysporum and application thereof in resisting leaf spot disease of dendrobium officinale
CN104886078A (en) * 2015-05-08 2015-09-09 长阳勤劳农夫农产品有限公司 Resistance derivant for dendrobium officinale seedlings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104195055A (en) * 2014-09-10 2014-12-10 江苏农林职业技术学院 Fusarium oxysporum and application thereof in resisting leaf spot disease of dendrobium officinale
CN104886078A (en) * 2015-05-08 2015-09-09 长阳勤劳农夫农产品有限公司 Resistance derivant for dendrobium officinale seedlings

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J. B. WU等: "First Report of Leaf Spot Caused by Nigrospora oryzae on Dendrobium candidum in China", 《PLANT DISEASE》 *
胡小倩 等: "常用杀菌剂和寡雄腐霉对多花筋骨草黑胫病的防效研究", 《浙江农业科学》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106701651A (en) * 2017-03-30 2017-05-24 福建农林大学 Culture medium for promoting growth of monilinia fructicola
CN111471601A (en) * 2020-06-08 2020-07-31 广东省生物工程研究所(广州甘蔗糖业研究所) Method for culturing brown spot germs of sugarcane

Also Published As

Publication number Publication date
CN105567569B (en) 2019-02-26

Similar Documents

Publication Publication Date Title
CN101933456B (en) Method for quickly breeding seedlings of dendrobium officinale capsule
US20220369648A1 (en) Endophytic falciphora oryzae fo-r20 and its application
CN105886405A (en) Dendrobium officinale Kimura et Migo endophytic fungus and applications thereof
CN104805019B (en) One plant of endogenetic fungus that can promote aleurite montana Nutrient Absorption
CN115537346B (en) Mucillus mucilaginosus for promoting growth and differentiation of sansevieria trifasciata and application thereof
CN106801014A (en) A kind of endogenetic fungus and its application for improving red sage root yield and its active constituent content
CN103614411A (en) Research method for American ginseng hairy root induction and plant regeneration
CN103477985A (en) Regeneration culture medium and culture method for improving regenerated adventitious buds of echinacea explants
CN103609439B (en) Different strain is on the impact of ginseng Hairy root and application method
Birmeta Genetic variability and biotechnological studies for the conservation and improvement of Ensete ventricosum
CN100557015C (en) A kind of nodule azotobacter strain is BXBL9 and application thereof
CN105567569A (en) Culture method for mycosphaerella arachidicola of dendrobium sw.
CN105420118A (en) Culture medium which is used for cultivating dendrobium candidum brown patch pathogen and contains special amino acid
CN105420117A (en) Culture medium which is used for cultivating dendrobium candidum brown patch pathogen and contains special sugar source
CN105349440B (en) For cultivating the culture medium containing Specific amino acid of dendrobium candidum tar spot bacterium
CN100362907C (en) Cremastra appendiculata in vitro culturing and fast reproducing biotechnological method
XiaoXing et al. In vitro selection of sheath blight resistance germplams in rice
CN114933980B (en) Streptomyces shallowus HJB-XTBG45 for preventing and treating rhizoma polygonati root rot and application thereof
CN100394182C (en) Method for measuring virulence of bactericide to bacterium of downy mildew of cucumber
CN105368725B (en) A kind of cultural method for cultivating dendrobium candidum tar spot bacterium
CN103399143B (en) The method of Rapid identification anthracnose of tobacco resistance
CN105420121B (en) For cultivating the culture medium containing special sugar source of dendrobium candidum tar spot bacterium
CN102943103B (en) Penicillium fungus M1 and application thereof to increase of saponins yield in fermentation process of ginseng or Americginseng
CN109699495A (en) A method of improving scythian lamb rhizome spore germination rate
CN114456951B (en) Horizontalium fungus strain for promoting growth of ginseng, and method and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190226

Termination date: 20211211

CF01 Termination of patent right due to non-payment of annual fee