WO2011032330A1 - 防除连作烟草青枯病的拮抗菌及其微生物有机肥料 - Google Patents
防除连作烟草青枯病的拮抗菌及其微生物有机肥料 Download PDFInfo
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- WO2011032330A1 WO2011032330A1 PCT/CN2009/074977 CN2009074977W WO2011032330A1 WO 2011032330 A1 WO2011032330 A1 WO 2011032330A1 CN 2009074977 W CN2009074977 W CN 2009074977W WO 2011032330 A1 WO2011032330 A1 WO 2011032330A1
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- microbial
- organic fertilizer
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- bacterial wilt
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/08—Organic fertilisers containing added bacterial cultures, mycelia or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N63/00—Biocides, 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
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/20—Bacteria; Culture media therefor
- C12N1/205—Bacterial isolates
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/07—Bacillus
- C12R2001/08—Bacillus brevis
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/07—Bacillus
- C12R2001/085—Bacillus cereus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Definitions
- Antagonistic antibacterial and microbial organic fertilizer for controlling continuous bacterial wilt disease
- the invention relates to an antagonistic antibacterial agent capable of preventing continuous bacterial wilt disease and a microbial organic fertilizer prepared therefrom, and belongs to the technical field of agricultural intensive production, and is specifically used for overcoming and eliminating the problem of continuous cropping of tobacco wilt. Background technique
- Tobacco is China's main economic crop, and its quality is related to the national economy and people's death.
- Tobacco bacterial wilt is one of the main diseases of tobacco, and it is a serious hazard. It is called "smoke cancer.” It was first discovered in the United States in 1880. At present, it is common in the southeastern tobacco-growing areas of China. It is often an outbreak in the epidemic areas, causing devastating losses. When the incidence is serious, the yield loss is about 80%.
- Tobacco bacterial wilt is a serious soil-borne bacterial disease that is widely distributed in tropical, subtropical and warm regions of the world.
- R. solanacearum can be transmitted through soil, running water (irrigation, etc.), seeds, etc., and has strong adaptability to the environment.
- R. solanacearum infection due to the small number of pathogens, the plants showed growth restriction, short stature, deformity and susceptibility.
- the pathogens were The rhizosphere dominates and tobacco bacterial wilt occurs. Under the conditions of high temperature and high humidity, the disease develops rapidly, and the incidence of serious diseases is 100%, resulting in no harvest.
- control efficiency has reached more than 80%, which has enabled a large number of continuous cropping soils to be bioremediated, ensuring the smooth development of intensive agriculture.
- Antagonistic antibacterial agent for controlling continuous bacterial wilt, including strain NJL-25 and strain NJL-14, wherein
- the strain NJL-25 belongs to Brevibacillus brevis, and was deposited with the General Microbiology Center of the China Microbial Culture Collection Management Committee on July 9, 2009.
- the strain storage number is CGMCC NO. 3 175.
- the main biological characteristics are: Gram Positive staining of G + , the shape of the cells is rod-shaped, containing oval spores in the enlarged cysts, smooth colonies, strict aerobic growth, negative contact enzymes, negative reaction of VP., negative test of methyl red, fermented sucrose, fructose, Mannitol, sorbitol and other acid-producing products do not produce gas, nitrate reductase is negative, starch hydrolysis is negative, gelatin hydrolysis is positive, decomposition of casein is positive, hydrogen sulfide is not produced, and strontium is produced, optimum growth temperature is 30 ° C, optimum pH Is 7.0;
- the strain NJL-14 belongs to Bacillus cereus and was deposited with the General Microbiology Center of the China Microbial Culture Collection Management Committee on July 10, 2009.
- the strain storage number is CGMCC NO. 3 174.
- the main biological characteristics are: Gram staining positive G + , the shape of the cells is rod-shaped, the cysts are not obviously swollen, the spores are round or cylindrical, medium or near middle. Rough surface, flat, irregular, facultative aerobic growth, contact enzyme positive, VP. positive, methyl red test positive, fermented glucose, sucrose, fructose, maltose, sorbitol, etc.
- the microbial organic fertilizer produced by the above antagonistic bacteria for controlling continuous bacterial wilt disease is characterized in that: the fertilizer contains 1 X 10 1Q /g or more of antagonistic bacteria NJL-25 and NJL-14, and the total nitrogen mass ratio The content is 4 ⁇ 5%, the total nitrogen content is more than 90% organic nitrogen, the total nitrogen, phosphorus and potassium nutrient mass ratio is 6 ⁇ 10%, and the organic matter mass ratio is 30 ⁇ 35%.
- the method for producing a microbial organic fertilizer for controlling continuous bacterial wilt of tobacco comprises:
- the antagonistic bacteria NJL-25 solid fungicide and NJL-14 solid microbial agent are mixed at a volume ratio of 1:1 to obtain the solid mixture of compost and the microbial decomposition of rapeseed meal.
- a mixture of solids of the mixture are obtained.
- the solid mixed bacteria agent of the compost is mixed with the solid mixed bacteria of the vegetable microbial enzymatic mixture at a volume ratio of 50-70% by a ratio of 30-50% by volume, and then cooked for 2-3 days, after The mixture is turned over twice in the ripening process, and finally the water content of the microbial organic fertilizer is evaporated to less than 30% under the condition that the temperature does not exceed 60 ° C, and the packaging is ex-factory to prevent the microbial organic fertilizer for continuous cropping of tobacco bacterial wilt.
- the microbial organic fertilizer can be used exclusively for controlling continuous bacterial wilt.
- the invention relates to a microbial organic fertilizer capable of overcoming or eliminating continuous bacterial wilt disease and a production method thereof, which utilizes microbial enzymatic amino acid mixture of pig manure compost and rapeseed meal, and then mixes with antagonistic antibacterial liquid to prepare microbial organic fertilizer, Compared with the products on the market today, the products have the following advantages:
- the fertilizer product contains two specific high-efficiency strains (Bacillus brevis and Bacillus cereus) that inhibit the growth of tobacco bacterial wilt pathogenic bacteria, and the inhibitory effect is very remarkable.
- the test results show that the biocontrol rate of tobacco bacterial wilt is more than 80% after applying this product on soil for continuous bacterial wilt. The soil for this year has been applied for three consecutive years, and the biological control rate of bacterial wilt is higher.
- the fertilizer is organic fertilizer, rich in organic matter (content 30-35%), organic nitrogen content is 4%, and most of them are amino acids and small molecule peptides.
- the total phosphorus content of this product is 4%, and the bio-efficiency is particularly high. After using this product, the crop can be smoothly passed through the phosphorus-sensitive period of seedling stage. In contrast, phosphate fertilizers are less bioavailable when applied to the soil.
- the rich nutrients contained in the organic fertilizer also provide conditions for growth and reproduction of the antagonistic bacteria, so that they survive in the soil and form a dominant group, thereby exerting a disease prevention effect.
- FIG. 1 Antagonistic bacteria NJL-25 and NJL-14 inhibition zone
- Plants and surrounding soils with continuous cropping disorders and severe bacterial wilt disease were collected.
- the samples were cryopreserved and the pathogen, Ralstonia solanaceamm, was isolated using Kelman's TTC Agar selective medium.
- the bacterial wilt pathogen was used as an indicator to isolate antagonistic bacteria from the rhizosphere soil of healthy tobacco plants from the field of continuous tobacco tobacco wilt disease.
- the potted strains NJL-25 and NJL-14 were finally screened out by pot experiment and field test, and the genus was identified.
- the strain was stored at 30 °C in 30% glycerol.
- the inhibition zone diameters of antagonistic bacteria NJL-25 and NJL-14 were 24 mm and 29 mm, respectively (Fig. 1).
- the strain NJL-25 belongs to BrevibaciUus brevis), and its main biological characteristics are: Gram-positive G + , the shape of the cells is rod-shaped, containing oval spores in the enlarged cysts, smooth colonies, strict aerobic growth , contact enzyme negative, VP. negative reaction, methyl red test negative, fermented sucrose, fructose, mannitol, sorbitol, etc. acid production, no gas, nitrate reductase negative, starch hydrolysis negative, gelatin hydrolysis positive, decomposition casein positive , does not produce hydrogen sulfide, produces bismuth, the optimum growth temperature is 30 ° C, the optimum pH is 7.0;
- the strain NJL-14 belongs to Bacillus cereus.
- the main biological characteristics are: Gram-positive G + , the shape of the cells is rod-shaped, the cysts are not obviously swollen, the spores are round or cylindrical, and the medium or near Zhongsheng. Rough surface, flat, irregular, facultative aerobic growth, contact enzyme positive, VP. reaction positive, methyl red test positive, fermented glucose, sucrose, fructose, maltose, sorbitol, etc. acid-producing, nitrate-reducing enzyme Positive, positive for starch hydrolysis, positive for gelatin hydrolysis, positive for casein decomposition, no hydrogen sulfide and hydrazine, optimum growth temperature 30 °C, optimum pH 7.0.
- NJL-25 and NJL-14 antagonistic liquid were inoculated to the microbial enzymatic mixture of the decomposed pig manure compost and rapeseed in a 50L/ton inoculum for solid fermentation, and the mixture was turned up once a day during the fermentation to make solid
- the fermentation temperature was 30-50 ° C, and the fermentation was completed after 5-7 days, and the antagonistic antibacterial content was 8 gram or more, and the antagonistic bacteria NJL-25 solid fungicide and NJL-14 solid fungicide were obtained.
- the germinated index of the composted pig manure compost is 98% or more, the organic matter content is 35%, the organic nitrogen content is 1.2-2%, and the water content is 25-30%.
- the preparation method of the microbial decomposition mixture of the rapeseed meal is (publicly known, see the invention patent ZL200610086126.0, the biological preparation method of the agricultural amino acid and the fertilizer product thereof), and the fermentation liquid of the strain 37-1 is added to the vegetable raw material, and the adjustment is carried out.
- the open solid fermentation is carried out at a water content of 55-65% and a pH of 6.0-7.5.
- the fermentation temperature rises to 50 °C
- the pile is immediately turned over, and then piled up every day to keep the heap temperature at 35-50 °C.
- the pH of the heap will rise continuously after the start of solid fermentation.
- the water content and pH will be adjusted with acid-containing liquid each time it is turned over, so that they are maintained at 55-65% and 6.0-7.0, respectively.
- the acid-containing liquid is sprayed until the pH of the heap is adjusted to about 5.0, and then dried at a low temperature or naturally dried, which is a microbial decomposition mixture of the vegetable meal (a mixed material containing amino acids).
- the antagonistic NJL-25 solid microbial agent and the NJL-14 solid microbial agent are mixed 1:1 respectively to obtain the composted solid mixed microbial agent and the microbial decomposition mixture of the rapeseed meal.
- Solid mixed bacteria
- the composted solid single-bacteria agent and mixed bacteria agent are mixed at a ratio of 30% by volume to the solid mixed bacteria of the vegetable microbial enzymatic mixture at a ratio of 30% by volume, and then cooked for 2-3 days.
- the pile is turned over twice, and finally the water content of the microbial organic fertilizer is evaporated to less than 30% under the condition that the temperature does not exceed 60 ° C, and the single-microbial organic fertilizer for controlling the continuous bacterial wilt of tobacco is obtained (including Strain NJL-25, strain NJL-14), mixed microbial organic fertilizer (containing bacteria NJL-25 and bacteria NJL-14).
- the mixed microbial organic fertilizer produced by the above antagonistic bacteria special microbial organic fertilizer for controlling continuous bacterial wilt
- the mass ratio is 4 ⁇ 5%
- the total nitrogen content is more than 90% organic nitrogen
- the total nitrogen, phosphorus and potassium nutrient mass ratio is 6 ⁇ 10%
- the organic matter mass ratio is 30 ⁇ 35%.
- CK 1 healthy paddy soil
- CK 2 tobacco continuous cropping soil
- Tl CK2+ amino acid organic fertilizer
- T2 CK 2 + NJL-25 liquid fermentation broth
- T3 CK 2 + NJL-14 liquid fermentation broth
- T4 CK2+NJL -14 and NJL-25 fermentation broth mixture (1:1)
- T5 CK2+NJL-25 microbial organic fertilizer
- T6 CK2+NJL-14 microbial organic fertilizer
- T7 CK2+NJL-14 and NJL-25 mixed microorganism Organic Fertilizer.
- Each treatment used 4 replicates, each repeated 23kg of diseased soil/pot, inoculated with antagonistic bacteria, so that the concentration of antagonistic bacteria in the soil reached 10 8 cfu / g dry soil, T5-T7 applied 115g microbial organic fertilizer per pot, other treatment Fertilizer fills the difference in fertilizer.
- Fertilizer fills the difference in fertilizer.
- the incidence of CK2 was recorded 10 days after the inoculation of antagonistic bacteria. After 25 days, the incidence of CK2 was 100%, and the inoculation of antagonistic antibacterial solution or microbial organic fertilizer could effectively reduce the incidence of bacterial wilt, including NJL-14 and NJL-25.
- the produced mixed microbial organic fertilizer showed the best control effect (Fig. 2), and the incidence rate was 0%.
- the application of antagonistic bacteria can not only prevent and control tobacco bacterial wilt, but also greatly reduce the number of bacterial wilt pathogen iRsolanacearum in the soil, promote the change of tobacco rhizosphere microbial community, significantly increase the beneficial bacterial community, and significantly reduce harmful fungi and pathogenic bacteria communities.
- Table 1 also significantly increased the biomass of tobacco (Table 2), and the biomass treated with antagonistic bacteria, especially the application of microbial organic fertilizer, was significantly different from CK1 and CK2. The biocontrol effect of the microbial agent is better (the biomass increases to 1.65 times).
- Field test treatment 1. Apply local tobacco special compound fertilizer; 2. Apply mixed microbial organic fertilizer produced by NJL-14 and NJL-25. A serious field of bacterial wilt disease was arranged in a random manner into four replicates, with 2 treatments per replicate, for a total of 8 plots.
- the tobacco variety is the local customary variety Yunyan 97.
- the tobacco seedlings and fertilizers are all applied by acupoints.
- the amount of bio-organic fertilizer applied is 30kg/mu field, and the fertilizer difference between the first and second is treated with chemical fertilizer.
- the invention patent starts from the key issue of the microflora, and develops a method that can significantly eliminate the connection.
- the microbial organic fertilizer product for tobacco bacterial wilt has a control rate of 97.6% or more (Anhui Datian Test).
- the mechanism of action of the fertilizer product is that the functional bacteria provided by the fertilizer product and its effective carbon and effective nitrogen source provide good conditions for the cultivation of the beneficial microflora of the continuous barrier soil, so that it can quickly recover and establish the external beneficial function bacteria.
- Microbial ecology and its food chain On the other hand, this fertilizer product contains high levels of organic nitrogen and organic phosphorus, which are beneficial to the growth of crops in continuous cropping soils, greatly increasing the seedling rate of tobacco crops and Resilience.
- Fresh weight in the ground (; g) fresh weight (g) dry weight in the ground (; g) root dry weight (g) biomass
- Tobacco disease classification industry standard 0: The whole plant is disease-free. Level 1: Occasionally, the stem has a retreat, or a few leaves on the side of the streak. Level 2: There are black streaks in the stem, but the top has not yet reached the top, or more than half of the leaves on the side of the disease are withered. Level 3:. Level 4: The diseased plant is basically dead.
Description
Claims
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Application Number | Priority Date | Filing Date | Title |
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EP20090829867 EP2489725A4 (en) | 2009-09-18 | 2009-11-17 | ANTAGONIST BACTERIA FOR USE IN THE PREVENTION AND TREATMENT OF BACTERIAL FATTING OF CONTINUOUS CULTURE TOBACCO AND ORGANIC FERTILIZER BASED ON SAID MICROORGANISMS |
US12/747,508 US8476057B2 (en) | 2009-09-18 | 2009-11-17 | Antagonistic bacteria for preventing and eliminating the bacterial wilt of continuous cropping tobacco and their microbial organic fertilizer |
AU2009292605A AU2009292605B2 (en) | 2009-09-18 | 2009-11-17 | Antagonistic bacteria for preventing and eliminating the bacterial wilt of continuous cropping tobacco and their microbial organic fertilizer |
EP19195417.1A EP3613843B1 (en) | 2009-09-18 | 2009-11-17 | Antagonistic bacteria for preventing and eliminating the bacterial wilt of continuous cropping tobacco and their microbial organic fertilizer |
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EP (2) | EP2489725A4 (zh) |
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CN114181865A (zh) * | 2021-12-21 | 2022-03-15 | 海南师范大学 | 一种对茄雷尔氏菌有高效拮抗作用的芽孢菌及其应用 |
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EP2489725A4 (en) | 2013-11-20 |
US20120045427A1 (en) | 2012-02-23 |
AU2009292605B2 (en) | 2013-09-12 |
CN101659932A (zh) | 2010-03-03 |
KR101039176B1 (ko) | 2011-06-03 |
CN101659932B (zh) | 2010-10-20 |
EP3613843B1 (en) | 2021-06-09 |
AU2009292605A1 (en) | 2011-06-02 |
EP2489725A1 (en) | 2012-08-22 |
KR20110034578A (ko) | 2011-04-05 |
US8476057B2 (en) | 2013-07-02 |
EP3613843A1 (en) | 2020-02-26 |
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