CN101037656A - Horned holly fungal endophyte-harzianum L - Google Patents
Horned holly fungal endophyte-harzianum L Download PDFInfo
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Abstract
The invention relates to microbe technique field, endophytic fungus of Chinese Holly of the invention collected from Chinese Holly living plant of Tianmu Mountain of Linan City is obtained by endophytic fungus microbe separation technology, named as Trichoderma harzianum Rifai stem L identified by microbial taxonomy stored by general microbilogy centre of China Forestry Culture Collection Center on date of august 14th 2006, registration number is CGMCC NO.1780. The most prominent feature is the stem can generate activated component seaquiterpenoids Trichothec-9-en-4-ol,12,13-epoxy-,acetate,(4beta)-(8CI,9CI) by fermentation for inhibiting phytopathogenic fungi bacteria, it is an important microbe resource in agriculture.
Description
Technical field
The present invention relates to microbial technology field, particularly relate to the separation that plant endogenesis epiphyte is prevented and treated part fungal diseases of plants effective strain, and the preparation of antibacterial meta-bolites and application method.
Background technology
All have a large amount of endogenetic fungus in the plant materials, endogenetic fungus is found in herbage the earliest, is found in plants such as xylophyta, herbaceous plant, gramineae plant, liver moss, lichens, marine alga again afterwards.Studies show that so far, plant endogenesis epiphyte can strengthen the host disease resistance, improve the productivity, degeneration-resistant pest-resistant etc. of plant.Bringing into play these effects is because endogenetic fungus is bred in plant materials and grown, and generation has bioactive secondary metabolite in vivo.Therefore, endogenetic fungus may become potential biocontrol agent in the biological control, has important purposes aspect the ecological agriculture and the biological pesticide development.Plant endogenesis epiphyte has caused microbiologist, ecologist, plant protection scholar's extensive interest in recent years, becomes the focus of domestic and international research gradually.The research and development of microbial source biological chemistry agricultural chemicals at present is very active in China, but Microbial resources and application potential thereof still do not fully played, and plant endogenesis epiphyte promptly is the untapped emerging Microbial resources of such class.
Chinese holly (Ilex cornuta Lindl.et Paxt.) is the Aquifoliaceae evergreen plant, mainly is distributed in ground such as Henan, Hubei, Hunan, Anhui, Jiangsu, Zhejiang, Jiangxi, Fujian.Folium Ilicis Cornutae bitter, little puckery, cold in nature is a kind of Chinese medicine, and the beginning is stated from supplement to the Herbal.Traditional Chinese medicine theory thinks that Folium Ilicis Cornutae has clearing heat and nourishing yin, flat liver kidney-nourishing, effects such as dispelling wind and activating meridian; Modern age, pharmacological research showed, Folium Ilicis Cornutae has antifertility, coronary artery dilator, effect such as antibiotic grade.As everyone knows, trypterygine has multiple medicine effect, and that the chemical ingredients of extracting from trypterygine has is antitumor, anti-inflammatory, immunosuppression and antifertility action, treats effects such as rheumatoid arthritis in addition.Same trypterygine also is a kind of good pesticide plant, has insecticidal activities such as stomach toxicity, food refusal, inhibition grow.D.Siva Sundara Kumar etc. screens endogenetic fungus (the Journal of Ethnopharmacology that meta-bolites has the resisting rheumatoid disease effect from trypterygine, 2004,295-300), surname rising sun duckweed etc. screens from trypterygine to have the inhibited endogenetic fungus of farm crop fungus disease (separation of trypterygine endogenetic fungus and the screening of active bacterial strain, Zhejiang agricultural journal, 2006,18 (5): 308-312).Whether also the same with the trypterygine medicinal plant Chinese holly has caused the extensive interest of investigator as a kind of medical plant, but its can play a role in the control diseases and pests of agronomic crop, does not also set foot in about the research of this respect, and not seeing both at home and abroad has report.In order to make full use of the natural phant Chinese holly, bring into play its maximum effect to the mankind, the present invention carries out the Separation Research of endogenetic fungus to the live body Chinese holly tissue that picks up from the Tian Mu Shan Mountain, Linan, and the endogenetic fungus that is separated to carried out detecting research to part frequently seen plants fungal disease pathogenic bacteria antagonistic activity, this invention not only provides theoretical foundation and manufacturing parameter for the further development of microbial pesticide and exploitation provide good starting strain also to develop agricultural antibiotic for the natural active matter that utilizes the holly fungal endophyte fungi simultaneously.
Summary of the invention
The objective of the invention is at chemical pesticide dangerous with the less deficiency of microbial pesticide kind, a kind of endogenetic fungus-trichoderma harzianum strain L that separates in the Chinese holly tissue is provided; Another object of the present invention provides utilizes this bacterial strain L to be prepared into microbial pesticide of preventing and treating the part fungal diseases of plants and preparation method thereof by its meta-bolites of fermented extracted.
The separation of holly fungal endophyte fungi of the present invention-trichoderma harzianum strain L, screening and evaluation:
Be in May, 2006 in the Chinese holly stem that gather in the Tian Mu Shan Mountain, Linan, Zhejiang, obtain and preserve through separation, cultivation and the fermentation of surface sterilization, endogenetic fungus, determination of activity and to the steps such as screening that suppress fungal diseases of plants pathogenic bacteria effective strain; Be accredited as trichoderma harzianum (Trichodermaharzianum Rifai) through microbial taxonomy, name and be trichoderma harzianum (Trichoderma harzianum Rifai) bacterial strain L.This bacterial strain is in China Committee for Culture Collection of Microorganisms's common micro-organisms center preservation, preservation date on August 14th, 2006, preservation registration number CGMCC No.1780.
Holly fungal endophyte fungi-trichoderma harzianum strain L, its solid culture is characterized as: bacterium colony is 25 ℃ of 3-4 days expansion 9cm on the PSA flat board, and initial stage white is sparse, and mycelia crawls to grow along media surface, and the back forms yellow-green colour and produces the spore district.Reverse side is colourless.The mycelia tool is every, branch.
Its morphological specificity is: conidiophore forms the branch profile of pyramid, the stigma Shu Sheng of branch end, to life, alternate or Dan Sheng, doleiform, 4.5-10 * 2.5-3.5 μ m;
Conidium sphere, subsphaeroidal, single closely colourless, be light gray green during gathering, wall is smooth, diameter 2.5-3.0 μ m; Chlamydospore sphere, subsphaeroidal, colourless, smooth, diameter 5.5-7.0 μ m.
Trichoderma harzianum strain L of the present invention can obtain the inhibited activeconstituents sesquiterpenoids Trichothec-9-en-4-ol of part fungal diseases of plants pathogenic bacteria, 12 through fermented extracted, 13-epoxy-, acetate, (4 β)-(8CI, 9CI).
The object of the invention is achieved through the following technical solutions:
A kind of preparation method who prevents and treats fungal diseases of plants microbial pesticides such as watermelon blight, cucumber fusarium axysporum, cucumber rhizoctonia rot, bean anthracnose and early blight of tomato, carry out according to the following steps:
(1) activation culture of bacterial classification: will separate holly fungal endophyte fungi-trichoderma harzianum strain L bacterial classification of preserving and move in vitro on potato glucose substratum (PDA) inclined-plane, under 28 ℃ ± 1 ℃ condition, strain activation and culture 96h covers with green spores to the test tube slant;
(2) seed liquor is cultivated: a small amount of activation culture spore of picking is forwarded to the potato glucose liquid nutrient medium, pH nature, the bottled fermentation culture 40mL of every 300mL triangle, 28 ℃ ± 1 ℃ of seed shaking table culture temperature, incubation time 36h;
(3) fermentation culture: fermentation culture is to contain glucose 10g among every 1000mL, sucrose 15g, extractum carnis 10g, peptone 5g, MnCl
215mg, CaCO
32g, the bottled fermentation culture 40mL of every 300mL triangle; Prepare back 121 ℃ of sterilization 20min, to be cooled to the 40 ℃ of inoculum size of percentage composition 5%～10% inoculations by volume under aseptic condition, under 28 ℃ ± 2 ℃ conditions, cultivated 4 days;
(4) fermented product extracts: fermentation finishes, and collects fermented liquid, chemical process extraction routinely, chromatography, and separation and purification obtains sesquiterpenoids Trichothec-9-en-4-ol, 12,13-epoxy-, acetate, (4 β)-(8CI, 9CI), this compound molecule formula is C
17H
24O
4, the structural formula See Figure;
(5) pure sesquiterpenoids is equipped with the agricultural drugs auxiliary material, is prepared into the agricultural drugs of multiple formulation.
Beneficial effect of the present invention:
The one, the present invention separates metabolite output height and part fungal diseases of plants pathogenic bacteria is had stronger inhibiting endogenetic fungal bacterial strain-trichoderma harzianum strain L from Chinese holly, this bacterial strain L with had following difference about numerous reports of trichoderma harziarum in the past, this provides a kind of microorganism new bacterial strain for control fungal diseases of plants pathogenic bacteria on the agricultural;
One, tangible difference is arranged: drop on as trichoderma harzianum in the application for a patent for invention " a kind of trichoderma harziarum fungal bacterial strain " (publication number CN 1554742A) that form is the cashmere shape on the PSA substratum on features such as strain morphology, sap green when bacterium colony is aging forms the through culture dish top of tangible projection; Conidiophore is arborization.Bacterium colony does not form projection and trichoderma harziarum of the present invention (Trichoderma harzianum Rifai) bacterial strain L cultivates afterwards on same substratum, producing the spore district is yellow-green colour, conidium is single closely colourless, is light gray green during gathering, and conidiophore forms the branch profile of pyramid.Chi Yujie etc. (trichoderma harziarum transformant thalli morphology is observed and resistance mensuration. Harbin Institute of Technology's journal, 2002,34 (6): 784-788) Bao Dao trichoderma harzianum strain, spore color are deep green, flat board face anyway is homochromy, and colonial morphology is a flocculence; And the positive yellow-green colour that forms of trichoderma harziarum of the present invention (Trichoderma harzianum Rifai) bacterial strain L bacterium colony is produced the spore district, and reverse side is colourless, the pros and cons TOTAL DIFFERENT COLOR.
They are two years old, utilize trichoderma harziarum as the inhibition mechanism of biocontrol fungicide with utilize mode different: former studies is to utilize trichoderma harzianum strain to produce chitinase mostly, thereby reaches germ-resistant purpose by the main component chitin of chitinase degradative fungi cell walls.The report that also has is directly to utilize the trichoderma harziarum spore and be developed to trichoderma harziarum spore preparation control fungal diseases of plants, produce Trichoderma agent upward commonly used at present and mostly be conidium preparation alive, existing many commercial wooden removing mildews come out, as the trichoderma harziarum T39 wettable powder Trichodex of Israel's exploitation, the Topshield of the U.S. (trichoderma harziarum T22) etc.And the present invention is the activeconstituents sesquiterpenoids Trichothec-9-en-4-ol that produces by trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L, 12,13-epoxy-, acetate, (4 β)-(8CI 9CI) reaches the bacteriostatic purpose.
The 2nd, the invention provides and from the fermented product of holly fungal endophyte fungi-trichoderma harzianum strain L, extract its meta-bolites sesquiterpenoids Trichothec-9-en-4-ol, 12,13-epoxy-, acetate, (4 β)-(8CI, 9CI), and and then be prepared into the preparation method of the microbial pesticide that can prevent and treat fungal diseases of plants; This agricultural chemicals is applied to the control of fungal diseases of plants, and its effect is than conventional chemical medicament slightly excellent (seeing the routine table 1 of test), for the exploitation of disinfectant use in agriculture has increased new approach.
Description of drawings
Fig. 1 is for using inserted sheet method L shaped attitude figure of observed trichoderma harzianum strain under 400 power microscopes.
Embodiment
Separation and the screening of embodiment 1:(endogenetic fungus trichoderma harzianum strain L)
The present invention in May, 2006 in the Chinese holly stem that gather in the Tian Mu Shan Mountain, Linan, Zhejiang, through separation, cultivation and the fermentation of surface sterilization, endogenetic fungus, determination of activity and to suppressing the steps such as screening of fungal diseases of plants pathogenic bacteria effective strain, therefrom obtain endogenetic fungus trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L, preserve.
Trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L bacteriostatic activity is measured: get its fermented supernatant fluid 1mL in sterile petri dish, be cooled to 50 ℃ the rapid mixing of PDA substratum with 9mL, cucumber fusarium axysporum, bean anthrax bacteria, withered germ of water-melon, cucumber rhizoctonia rot bacterium and the tomato early blight bacteriums etc. that it is 4mm that the cooling back is put 1 diameter respectively on each substratum plane are for examination bacterium bacterium cake, the bacterium cake is connected to culture dish central authorities (the culture dish diameter is 9cm), put 28 ℃ of cultivation 36h in the incubator, handle in contrast with sterilized water, repeat 3 times; Adopt the right-angled intersection method to measure colony diameter, calculate inhibiting rate with following formula:
Measurement result shows: trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L meta-bolites is respectively 53.8%, 54.5%, 43.8%100% and 68% to the inhibiting rate of cucumber fusarium axysporum, bean anthrax bacteria, withered germ of water-melon, cucumber rhizoctonia rot bacterium and tomato early blight bacterium.
The preparation method of embodiment 2:(trichoderma harzianum strain L fermentating metabolism product)
Carry out according to the following steps:
(1) bacterial classification test tube slant activation culture: slant medium is potato glucose substratum (PDA), and its component and content are: potato 200g, glucose 20g, agar 20g; With peeling potatoes, be cut into piece and boil half an hour earlier, use filtered through gauze then, add glucose and agar again, supply water to 1L after dissolving; Under aseptic condition, use the bacterial classification of inoculating needle a little trichoderma harziarum of picking (Trichoderma harzianum Rifai) bacterial strain L, extremely sterilized solid PDA substratum test tube is (in 15 * 150mm), put interior 28 ℃ ± 1 ℃ of incubator, activation culture 96h covers with green spores to the test tube slant;
(2) seed liquor is cultivated: seed culture medium is the potato glucose liquid nutrient medium, and its component and content are: potato 200g, glucose 20g; Peeling potatoes is cut into piece and boils half an hour, uses filtered through gauze then, adds glucose again, supplies water to 1L after dissolving, the pH nature; The bottled sterilising liq substratum of every 300mL triangle 40mL, and insert a little step (1) activation culture bacterial classification spore, put 28 ℃ ± 1 ℃, shaking table is cultivated 36h, is trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L seed liquor;
(3) fermentation culture: fermention medium is to contain glucose 10g among every 1000mL, sucrose 15g, extractum carnis 10g, peptone 5g, MnCl
215mg, CaCO
32g, surplus is a water; The bottled 40mL fermentation culture of every 300mL triangle, prepare back 121 ℃ of sterilization 20min, to be cooled to 40 ℃ under aseptic condition, the inoculum size of percentage composition 5%～10% by volume, insert trichoderma harziarum (Trichoderma harzianum Rifai) bacterial strain L seed liquor, 28 ℃ ± 2 ℃, fermentation culture 4 days;
(4) fermented product extracts: collect fermented liquid after fermentation finishes, adopt ethyl acetate extraction, get the upper strata, and under vacuum condition, be concentrated into medicinal extract, then go up silica gel column chromatography, with sherwood oil and ethyl acetate (volume ratio 10%～90%) wash-out, separation and purification gets sesquiterpenoids Trichothec-9-en-4-ol, 12,13-epoxy-, acetate, (4 β)-(8CI, 9CI).
Trichoderma harzianum strain L meta-bolites described in following examples 3,4,5 is embodiment 2 products made therebies; The percentage composition of described product is mass percent.
Embodiment 3:(utilizes trichoderma harzianum strain L fermentating metabolism product to be prepared into wettable powder)
Wherein:
White carbon black: (the rich strange chemical industry company limited in Shanghai produces)
Blue star auxiliary reagent factory, farming newborn 0203-B:(Xingtai produces)
Sodium lignosulfonate: (the Shanghai prestige is chemical industry company limited and produces)
Light calcium carbonate: (Shanghai DaYu biochemistry Co., Ltd's production)
Product contains 1.5% sesquiterpenoids Trichothec-9-en-4-o1,12,13-epoxy-, acetate, (4 β)-(8CI, 9CI), add 2% white carbon black as sorbent material, and add 1% agricultural newborn 0203-B and 3% sodium lignosulfonate auxiliary material, supply 100% with light calcium carbonate at last, behind the mixing, make wettable powder (claiming " product A " in the following content) through comminution by gas stream.
Embodiment 4:(utilizes trichoderma harzianum strain L fermentating metabolism product to be prepared into microemulsion).
Wherein:
Methyl alcohol (production of Shanghai Shen Xing pharmaceutical factory)
601 (productions of Xingtai blue star auxiliary reagent factory) of farming breast
Sodium laurylsulfonate (Shanghai is contained many Fine Chemical Co., Ltd and produced)
Urea (safe woods chemical industry group company produce)
Product contains 1.5% sesquiterpenoids Trichothec-9-en-4-ol, 12,13-epoxy-, acetate, (4 β)-(8CI, 9CI), the dissolve with methanol with 5%, and add 2% farming breast, 601 and 0.5% sodium laurylsulfonate as dispersing auxiliary, add 1% urea as frostproofer, last water is supplied 100%, 35 ℃ of following mixing, makes microemulsion (claiming " product B " in the following content) after the emulsification of high-shear emulsifying device disperses.
Embodiment 5:(utilizes trichoderma harzianum strain L fermentating metabolism product to be prepared into missible oil)
Wherein:
Ethanol (production of Shanghai Shen Xing pharmaceutical factory)
0204 (production of Xingtai blue star auxiliary reagent factory) of farming breast
Dimethylbenzene (production of Shanghai Shen Xing pharmaceutical factory)
The sesquiterpenoids Trichothec-9-en-4-ol of product 2%, 12,13-epoxy-, acetate, (4 β)-(8CI, 9CI), dissolve with ethanol with 4%, add quality 5% agricultural newborn 0204-C as emulsifying agent, supply 100% with dimethylbenzene at last, stirring and evenly mixing is made missible oil (claiming " products C " in the following content).
Test example: (product of the present invention and conventional pesticide prevention effect simultaneous test)
" product A, B, C " prevented and treated test to Plant diseasess such as watermelon blight, cucumber fusarium axysporum, cucumber rhizoctonia rot, bean anthracnose and earlys blight of tomato, with conventional chemical agricultural chemicals, clear water is contrast, as shown in table 1, the disinfectant use in agriculture of trial-production " product A, B, C " is slightly more excellent than conventional chemical pesticide control effect.
Table 1 product A, B, C are to several plant fungal disease preventive effect cartogram
(test of pesticide effectiveness is all carried out in test farmland, suburbs, Hangzhou in July, 2006-September)
| Product and contrast medicine | Extension rate | Using method | Proofread and correct preventive effect (%) | ||||
| Tomato early blight | Watermelon blight | Cucumber rhizoctonia rot | Cucumber fusarium axysporum | Bean anthracnose | |||
| Product A | 1000 | Spraying | - | - | 93.1 | - | - |
| 1500 | Spraying | - | - | 89.5 | - | - | |
| 2000 | Spraying | - | - | 85.4 | - | - | |
| But 70% thiophanate methyl wet-milling | 1000 | Spraying | - | - | 90.7 | - | - |
| Product B | 800 | Spraying | - | 94.9 | - | 94.2 | - |
| 1200 | Spraying | - | 87.5 | - | 86.9 | - | |
| 1600 | Spraying | - | 80.7 | - | 81.3 | - | |
| But 50% derosal wet-milling | 500 | Spraying | - | 86.7 | - | 84.4 | - |
| Products C | 1000 | Spraying | 90.2 | - | - | - | 93.5 |
| 1500 | Spraying | 87.5 | - | - | - | 90.1 | |
| 2000 | Spraying | 82.6 | - | - | - | 82.9 | |
| But 70% zinc manganese ethylenebisdithiocarbamate wet-milling | 800 | Spraying | 89.5 | - | - | - | 91.0 |
| Clear water | - | Spraying | -7.2 | 5.1 | 4.3 | -10.2 | 2.8 |
"-" is not test (N.T.).
Claims (1)
1, a kind of trichoderma harzianum strain, it is characterized in that, called after trichoderma harziarum (Trichodermaharzianum Rifai) bacterial strain L, depositary institution: China Committee for Culture Collection of Microorganisms common micro-organisms center, preservation day: on August 14th, 2006, preservation registration number is CGMCC No.1780.
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|---|---|---|---|
| CN 200710066843 CN101037656A (en) | 2007-01-25 | 2007-01-25 | Horned holly fungal endophyte-harzianum L |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928673A (en) * | 2010-07-14 | 2010-12-29 | 洪亚辉 | Trichoderma harzianum |
| CN101275152B (en) * | 2008-05-19 | 2011-01-12 | 中国计量学院 | Application of rhizoctonia solani mycelium to improving trichodermin in trichoderma harzianum |
| CN101979621A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Method for improving trichodermin content in fermentation liquor of Trichoderma harzianum strain L |
| CN101979620A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Culture medium for producing trichodermin by trichoderma harziarum strain L through fermentation |
| CN101979619A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Application of Fusarium oxysporiumf.sp.cucumeris in improving level of producing trichodermin of trichoderma harziarum strain L |
| CN102174416A (en) * | 2011-02-16 | 2011-09-07 | 南京中医药大学 | Angelica sinensis endophytic fungi Fusella sp DG09 with plant pathogenic bacteria resistant activity and fermentation solution and application thereof |
| WO2013097424A1 (en) * | 2011-12-30 | 2013-07-04 | 中国科学院南海海洋研究所 | Marine streptomyces sp., compound of pyranosesquiterpenes and preparation method and use thereof |
| CN110468056A (en) * | 2019-08-14 | 2019-11-19 | 安徽旭辰生物科技有限公司 | It is a kind of prevent and treat watermelon blight Trichoderma and its application |
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2007
- 2007-01-25 CN CN 200710066843 patent/CN101037656A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275152B (en) * | 2008-05-19 | 2011-01-12 | 中国计量学院 | Application of rhizoctonia solani mycelium to improving trichodermin in trichoderma harzianum |
| CN101928673B (en) * | 2010-07-14 | 2011-07-06 | 洪亚辉 | Trichoderma harzianum |
| CN101928673A (en) * | 2010-07-14 | 2010-12-29 | 洪亚辉 | Trichoderma harzianum |
| CN101979620B (en) * | 2010-11-02 | 2012-10-03 | 中国计量学院 | Culture medium for producing trichodermin by trichoderma harziarum strain L through fermentation |
| CN101979619A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Application of Fusarium oxysporiumf.sp.cucumeris in improving level of producing trichodermin of trichoderma harziarum strain L |
| CN101979620A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Culture medium for producing trichodermin by trichoderma harziarum strain L through fermentation |
| CN101979619B (en) * | 2010-11-02 | 2012-07-04 | 中国计量学院 | Application of Fusarium oxysporiumf.sp.cucumeris in improving level of producing trichodermin of trichoderma harziarum strain L |
| CN101979621B (en) * | 2010-11-02 | 2012-10-03 | 中国计量学院 | Method for improving trichodermin content in fermentation liquor of Trichoderma harzianum strain L |
| CN101979621A (en) * | 2010-11-02 | 2011-02-23 | 中国计量学院 | Method for improving trichodermin content in fermentation liquor of Trichoderma harzianum strain L |
| CN102174416A (en) * | 2011-02-16 | 2011-09-07 | 南京中医药大学 | Angelica sinensis endophytic fungi Fusella sp DG09 with plant pathogenic bacteria resistant activity and fermentation solution and application thereof |
| CN102174416B (en) * | 2011-02-16 | 2012-10-24 | 南京中医药大学 | Angelica sinensis endophytic fungi Fusella sp DG09 with plant pathogenic bacteria resistant activity and fermentation solution and application thereof |
| WO2013097424A1 (en) * | 2011-12-30 | 2013-07-04 | 中国科学院南海海洋研究所 | Marine streptomyces sp., compound of pyranosesquiterpenes and preparation method and use thereof |
| US9200301B2 (en) | 2011-12-30 | 2015-12-01 | South China Sea Institute Of Oceanology, Chinese Academy Of Sciences | Marine streptomyces, pyranosesquiterpene compound, as well as preparation method and applications thereof |
| CN110468056A (en) * | 2019-08-14 | 2019-11-19 | 安徽旭辰生物科技有限公司 | It is a kind of prevent and treat watermelon blight Trichoderma and its application |
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