CN107058141B - A kind of microbial bacterial agent and its application - Google Patents

A kind of microbial bacterial agent and its application Download PDF

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Publication number
CN107058141B
CN107058141B CN201710185202.1A CN201710185202A CN107058141B CN 107058141 B CN107058141 B CN 107058141B CN 201710185202 A CN201710185202 A CN 201710185202A CN 107058141 B CN107058141 B CN 107058141B
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strawberry
bacterial agent
microbial bacterial
saccharomycete
present
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CN107058141A (en
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王金英
王涛
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Inner Mongolia Yimin Biotechnology Co ltd
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Foshan Ruisheng Technology Co Ltd
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    • 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
    • C12N1/16Yeasts; Culture media therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/30Microbial fungi; Substances produced thereby or obtained therefrom

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  • Engineering & Computer Science (AREA)
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  • Biotechnology (AREA)
  • Microbiology (AREA)
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  • Organic Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Virology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Dentistry (AREA)
  • Genetics & Genomics (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Botany (AREA)
  • Medicinal Chemistry (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention belongs to biological fields, and in particular to be using saccharomycete kluyveromyces marxianus microbial inoculum prevention corps diseases, especially grey mould fruit rot of strawberry purposes.The main component of the microorganism formulation of the present invention is kluyveromyces marxianus, by being prepared into bacteria suspension spraying prevention grey mould fruit rot of strawberry to strain, preventive effect is more than 45%, and when it is used in compounding with chemical bactericide Boscalid, it is possible to reduce the usage amount of chemical bactericide and maintain its preferable control effect.The microorganism formulation raw material of the present invention is easy to get, and preparation process is simple, environmentally safe using the microorganism formulation, green safe, and Social benefit and economic benefit is apparent after promoting.

Description

A kind of microbial bacterial agent and its application
Technical field
The invention belongs to microorganism fields, and in particular to be it is a kind of for preventing the microorganism formulations of corps diseases, The microorganism formulation is safe to the human body in the application, nuisanceless to environment.
Background technology
Biological pesticide refers to each for preventing using living microorganism, botanical pesticide, Secondary Metabolites of Microorganisms etc. Kind insect and the pesticide variety of disease.Especially microbial pesticide, since microbial resources type potential in nature is enriched, There is apparent advantage in terms of the product development of microbial pesticide, therefore, countries in the world have all put into a large amount of manpower and wealth Power is studied, and in China, the development and exploitation of microbial pesticide have become national science and technology public relations and hi-tech development Plan;Each place government is also using microbial pesticide as a research direction of biological field.
Microbial pesticide is the important guarantor for realizing development proposal adjustment, promoting circular economy and social sustainable development Barrier, therefore, novel microbial pesticide of the research and development with independent intellectual property right, and other high-tech industries are driven with this, such as The cooperative development of Fermentation Engineering, preparation processing, field of fine chemical is an important goal of microbial pesticide development.Microorganism Pesticide not only have the characteristics that efficiently, it is safety, low-residual, degradable, but also microorganism in itself from environment in itself, to environment Close friend, and microbial action complicated mechanism, action site is more, and general microorganism live bacteria and secondary metabolite can be applied to Inhibit the growth of harmful organism, thus receive people's concern.At present, actinomyces, bacterium etc. are agriculturally being widely popularized It uses, although however, carrying out biological control using saccharomycete has had research, that really applies is also less.
Saccharomycete is generally larger to chemical bactericide resistance or even can be used in combination with chemical bactericide, once it screens To suitable compounding type, the dosage of chemical pesticide can not only be reduced, and can reduce potential to environment and human body While causing harm, biological control effect is improved.In addition, saccharomycete has, inheritance stability, nutritional requirement is simple, antimicrobial spectrum is wide, raw Long fireballing feature and stronger tolerance, energy insensitive to most chemical bactericides under various abiotic stress environment and adverse circumstance With some, chemically or physically method is combined, and becomes the hot spot of microbial control research.
Strawberry is a kind of perennial root, perennial herb resource plant for integrating cultivation and watching.In cultivated strawberry area, Gray mold, anthracnose, powdery mildew are to hinder the bottleneck of Strawberry industry development, wherein, the harm of grey mould fruit rot of strawberry is the most serious, Annual strawberry growth period endangers stem, petiole, blade, stipule, the later stage endanger flower and fruit, directly influence yield of strawberry, Cause very big economic loss.Most of prevention to grey mould fruit rot of strawberry causes soil using chemical pesticide sprinkling plant surface Different degrees of pesticide residue and pollution problem seriously affect product quality and the health of human body.From preserving the ecological environment It is punished with the angle of food security, strawberry production needs low toxicity, pollutes few, safe to the human body microorganism formulation to control grass Certain kind of berries disease so as to achieve the purpose that strawberry safe edible, also complies with biological husbantry development and government, society and biological pesticide industry Development.
Invention content
Situation about being impacted it is an object of the invention to be directed to grey mould fruit rot of strawberry to strawberry, provides a kind of microorganism live bacteria Preparation, so as to solve largely to use pesticide residue, Environmental security sex chromosome mosaicism caused by chemical pesticide in the prior art.
Another object of the present invention is to provide the application of the microorganism live bacteria preparation, the microorganism live bacteria preparation is fitted For preventing grey mould fruit rot of strawberry.
The raw material of microorganism live bacteria preparation that the present invention applies is kluyveromyces marxianus, and the barms can lead to It crosses commercially available means to be commercially available, the kluyveromyces marxianus used in the present invention is purchased from Shanghai Fu Sheng Industrial Co., Ltd.s.
In order to achieve the above objectives, a kind of microorganism live bacteria preparation is prepared using following steps in the present invention:
1st, kluyveromyces marxianus strain is inoculated into NYDB fluid nutrient mediums, at 28 DEG C, is shaken in 200 r/min 48 h are cultivated in bed;
2nd, cultured saccharomycete bacterium solution under the conditions of 3000 r/min is centrifuged 10 minutes, collects somatic cells, then use Twice, then washed lower saccharomycete with sterile distilled water and inhaled to beat repeatedly with liquid-transfering gun makes ferment to sterile distilled water washing thalline two or three times Female bacterium resuspension is counted with blood counting chamber into bacteria suspension, calculates the concentration of yeast bacteria suspension, then adjusted with sterile distilled water The concentration of bacteria suspension is to 1 × 109 CFU/mL。
Further, the method for application of the microbial bacterial agent is uniformly sprays using the kluyveromyces marxianus Mist.
Preferably, the microbial bacterial agent of the present invention can be used in compounding with chemical bactericide Boscalid, it is better.
Further, the method for administration of microbial bacterial agent of the invention is that prevention processing is used in premorbid or early stage Medicine, continuous dispenser three times, are spaced 7-10 days.
Further, when the microbial bacterial agent for using the present invention, crop species, controlling disease depending on application are not On an equal basis, dosage can change in comparatively wide range.
Compared with prior art, microbial bacterial agent of the invention has the beneficial effect that:
1st, the present invention has widened type of the microorganism formulation for biological control, for the first time by the commercially available known bacterium that can be obtained Strain finds that it can be used for preventing grey mould fruit rot of strawberry by a large amount of experiment;
2nd, microbial bacterial agent storage properties of the invention are stablized, and control effect is good, the zymotechnique of large-scale production is simple, Low production cost;
3rd, after microbial bacterial agent of the invention is compounded with Boscalid, the two can perfection coexist, can preferably prevent Grey mould fruit rot of strawberry;
4th, microbial bacterial agent of the invention is to crop safety, environmentally safe, and efficiency stabilization is more than 45%, with chemistry Efficiency is more than 85% after fungicide Boscalid compounding, it is possible to reduce the dosage of chemical pesticide.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, present invention specific examples below It illustrates, but the present invention is limited to absolutely not these examples.As described below is only the preferable embodiment of the present invention, is used only for explaining The present invention, but cannot be therefore understands that for the limitation to the scope of the claims of the present invention.It should be pointed out that it is all the present invention spirit and Any modification, equivalent replacement or improvement for being made within principle etc., should all be included in the protection scope of the present invention, therefore, The protection domain of patent of the present invention should be determined by the appended claims.
Material, reagent used in the embodiment of the present invention etc. unless otherwise instructed, can be bought by commercial sources It obtains and/or is prepared by known conventional method.
First, the preparation of kluyveromyces marxianus microbial bacterial agent
The preparation method of the kluyveromyces marxianus microbial bacterial agent of the present invention can be prepared via a method which to obtain:
1st, kluyveromyces marxianus strain is inoculated into NYDB fluid nutrient mediums, at 28 DEG C, is shaken in 200r/min 48 h are cultivated in bed;
2nd, cultured saccharomycete bacterium solution under the conditions of 3000 r/min is centrifuged 10 minutes, collects somatic cells, then use Twice, then washed lower saccharomycete with sterile distilled water and inhaled to beat repeatedly with liquid-transfering gun makes ferment to sterile distilled water exercise thalline two or three times Female bacterium resuspension is counted with blood counting chamber into bacteria suspension, calculates the concentration of yeast bacteria suspension, then adjusted with sterile distilled water The concentration of bacteria suspension is to 1 × 109 CFU/mL。
2nd, indoor bioassay
The expection activity that the microbial bacteria suspension of the present invention gives with chemical bactericide Boscalid can be calculated as below(Ginseng See, Colby, S.R. " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations”, weed 15, (1967),20-22):
If
X is the effect when the dosage of x is applied as component A,
Y is the effect when the dosage of y is applied as component B,
E is the effect when component A and component B is applied respectively with the dosage of dosage x and y, then
E=X+Y-XY/100
Effect value is in terms of %, and 0% finger effect is equivalent to control, and effect 100% refers to not observe infection.
If practical Fungicidally active is more than calculated value, the activity of the composition is super adduction, that is, there is collaboration and increase Effect acts on.In the case that secondary, the effect of actual observation rice has to be larger than the expection effect calculated by formula above-mentioned (E).
1st, grey mould fruit rot of strawberry determination of activity is prevented
To the determination of activity of grey mould fruit rot of strawberry using 50% Boscalid water dispersible granules as comparison medicament(Purchased from BASF Company), when measuring active protection, by Strawberry seedlings microbial bacterial agent suspension of the present invention and 50% Boscalid water Dispersible granule is sprayed after being watered dilution, and after hydrojet layer is dried, the aqueous spore suspension of plant grey mould fruit rot of strawberry is inoculated with, it Afterwards, plant is placed in 20 DEG C with relative humidity to be cultivated in 80% greenhouse.
Inoculation grey mould fruit rot of strawberry spore suspension is evaluated after three days, test group, dosage and result of the test such as table 1 It is shown:
When the microorganism formulation of the present invention is used alone it can be seen from more than result of the test, grey mould fruit rot of strawberry is prevented It controls and shows certain control effect, when microorganism formulation and the Boscalid effective ingredient consumption 100g/hectare of the present invention When, control effect can reach 89.7%, show apparent synergistic function, control effect is with 50% Boscalid with effective 200 g a.i./hm of Ingredient Amount2Using when, preventive effect effect is suitable.

Claims (2)

1. a kind of microbial bacterial agent is used to prevent the purposes of grey mould fruit rot of strawberry, which is characterized in that the activity of the microbial bacterial agent Ingredient is kluyveromyces marxianus bacterium.
2. purposes according to claim 1, which is characterized in that the preparation method of the microbial bacterial agent includes following step Suddenly:
(1), kluyveromyces marxianus strain is inoculated into NYDB fluid nutrient mediums, at 28 DEG C, in 200 r/min shaking tables 48 h of middle culture;
(2), cultured saccharomycete bacterium solution centrifuged 10 minutes under the conditions of 3000 r/min, collect somatic cells, then with nothing Bacterium distilled water washing thalline twice, is then washed lower saccharomycete and is inhaled repeatedly with liquid-transfering gun and break saccharomycete two or three times with sterile distilled water Resuspension is counted with blood counting chamber into bacteria suspension, calculates the concentration of yeast bacteria suspension, then with sterile water adjustment bacteria suspension Concentration is to 1 × 109 CFU/mL。
CN201710185202.1A 2017-03-25 2017-03-25 A kind of microbial bacterial agent and its application Active CN107058141B (en)

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CN117737138A (en) * 2024-02-07 2024-03-22 云南省林业和草原科学院 Culture method for inducing Antrodia camphorata with high Li Gongniu to produce bacterial compounds for inhibiting plant diseases

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1813549A (en) * 2006-03-06 2006-08-09 江苏大学 Method for preventing postharvest disease of strawberry
CN105543116A (en) * 2016-02-03 2016-05-04 北京市农林科学院 Microzyme strain and application thereof in disease control after fresh fruit picking

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1813549A (en) * 2006-03-06 2006-08-09 江苏大学 Method for preventing postharvest disease of strawberry
CN105543116A (en) * 2016-02-03 2016-05-04 北京市农林科学院 Microzyme strain and application thereof in disease control after fresh fruit picking

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
啶酰菌胺对草莓灰霉病菌的毒力测定及田间防效;杨敬辉等;《江西农业学报》;20100930;94-95 *
马克斯克鲁维酵母对柑橘采后绿霉病的抑制效果;耿鹏等;《华中农业大学学报》;20111231;712-713 *

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Effective date of registration: 20190920

Address after: 137599 Sijiazi Village, Yongan Town, Tuquan County, Xingan League, Inner Mongolia Autonomous Region

Patentee after: Inner Mongolia Yimin Biotechnology Co.,Ltd.

Address before: 528000, room 1613, 2, 6 South Fenjiang Road, Chancheng District, Guangdong, Foshan, two

Patentee before: FOSHAN RUISHENGTONG TECHNOLOGY Co.,Ltd.

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Denomination of invention: A Microbial Agent and Its Application

Effective date of registration: 20231117

Granted publication date: 20180626

Pledgee: Mengshang Bank Co.,Ltd. Xing'an League Tuquan Branch

Pledgor: Inner Mongolia Yimin Biotechnology Co.,Ltd.

Registration number: Y2023980066224