CN101928683A - Pseudomonas sp. strain and use thereof - Google Patents

Pseudomonas sp. strain and use thereof Download PDF

Info

Publication number
CN101928683A
CN101928683A CN2010100037262A CN201010003726A CN101928683A CN 101928683 A CN101928683 A CN 101928683A CN 2010100037262 A CN2010100037262 A CN 2010100037262A CN 201010003726 A CN201010003726 A CN 201010003726A CN 101928683 A CN101928683 A CN 101928683A
Authority
CN
China
Prior art keywords
strain
pseudomonas
tomato
bacterial wilt
ralstonia solanacearum
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
CN2010100037262A
Other languages
Chinese (zh)
Other versions
CN101928683B (en
Inventor
朱凤香
冯明光
薛智勇
叶青静
王卫平
陈晓旸
洪春来
吴传珍
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
Zhejiang University ZJU
Original Assignee
Zhejiang Academy of Agricultural Sciences
Zhejiang University ZJU
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, Zhejiang University ZJU filed Critical Zhejiang Academy of Agricultural Sciences
Priority to CN2010100037262A priority Critical patent/CN101928683B/en
Publication of CN101928683A publication Critical patent/CN101928683A/en
Application granted granted Critical
Publication of CN101928683B publication Critical patent/CN101928683B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention provides a pseudomonas sp. strain 2-29, which belongs to the class of pseudomonas sp. and was collected with a collection number of CGMCC No.3331 in China General Microbiological Culture Collection Center (abbreviated as CGMCC) of Institute of Microbiology Chinese Academy of Sciences located on Datun road in Chaoyang district of Beijing, on October 2009. The invention also provides the use of the pseudomonas sp. strain 2-29 in the prevention and control of tomato ralstonia solanacearum. For solving the problem that an effective chemical for treating tomato ralstonia solanacearum lacks at present and the problem that pseudomonas sp. is susceptible to generating medicament resistance to chemical pesticide, a strain having an antagonistic effect on tomato ralstonia solanacearum is screen through screening tomato ralstonia solanacearum antagonists and the test of the control effect of the tomato ralstonia solanacearum antagonists; on this basis, field tests can be further performed for developing a mature microbial fertilizer; and thus, the pseudomonas sp. strain 2-29 has a great significance for reducing the use of a large amount of fertilizer and pesticide and reducing agricultural pollution sources.

Description

A kind of pseudomonad strain and application thereof
Technical field
The present invention relates to biological field, relate in particular to a kind of pseudomonad strain and application thereof.
Background technology
Bacterial wilt of tomato is to cause worldwide crushing soil-borne disease by the blue or green withered La Er Salmonella of eggplant [Ralatonia solanacearum (smith) Yabuuchi et al], tropical, semi-tropical countries and regions, as: South America, Japan, India, Philippines, area such as China Taiwan, Guangdong, Zhejiang, Fujian, Jiangsu, Hubei, Sichuan, Chongqing is serious to take place.It is dead that this disease can cause the plant big area to wilt, and general field piece sickness rate is 10%~15%, and grave illness field sickness rate causes tomato yield seriously to descend up to 80%~98.5%, causes great financial loss.
R.solanacearum is a kind of soil inhabitant, can survive for a long time in the soil under no host's situation.R.solanacearum mainly invades plant from root system, also can invade and directly enter conduit system from stem's wound, and a large amount of therein breedings also produce metabolic substd, hinder moisture transportation in the plant materials, cause the plant wilting.At present, lack the effective chemical medicament at bacterial wilt of tomato, Ralstonia solanacearum easily develops immunity to drugs to chemical pesticide in addition, and uses chemical pesticide can cause environmental pollution and production cost to rise in a large number.The phase of lying fallow spreads fertilizer over the fields lime and can alleviate the disease generation, but easily causes soil compaction.Breeding for disease resistance work owing to lack the ideal anti-source material, is made slow progress.Rice field-upland field rotation requires crop rotation year limit for length, and near other host of nothing exists and can play good result, thereby implements difficulty.Formed the soil organisms vacuum behind the soil disinfection,, can cause the great outburst of pathogenic bacteria and cause even more serious consequence in case soil is subjected to pathogen infection.The biological control crop pest have available stock abundant, with low cost, can avoid secondary environmental pollution, be considered to solve approach likely of soil-borne disease.Utilize the pathogenic bacteria antagonistic microbe to carry out the important component part that biological control is biological control.
Summary of the invention
2.-29 technical problem to be solved by this invention has provided a kind of pseudomonad strain of utilizing pathogenic bacteria antagonistic microbe control of plant bacterial wilt, its called after pseudomonas (Pseudomonas sp.) of classifying, its deposit number is CGMCC NO.3331, its preservation time is on October 9th, 2009, depositary institution is China Committee for Culture Collection of Microorganisms common micro-organisms center (being called for short CGMCC), the address is the Datun Road, Chaoyang District, Beijing City, Institute of Microorganism, Academia Sinica.
The present invention is achieved through the following technical solutions:
Separate a kind of pseudomonad strain 2.-29:
The screening step is as follows:
Utilized beef-protein medium to separate from 21 soil samples of tomato planting bases such as Jiashan, Zhejiang, Lishui, Hangzhou collection, and be separated to bacterium strain more than 420 altogether in (1) 2008 year.
(2) carry out dull and stereotyped antagonistic effect then, obtain the blue or green withered La Er Salmonella of bacterial wilt of tomato eggplant is had primary dcreening operation bacterium 27 strains of better antagonistic effect.
(3), further sieve to such an extent that the blue or green withered La Er Salmonella of bacterial wilt of tomato eggplant is had metastable antagonistic effect sieve bacterium 4 strains again by pot experiment.
2.-29 this bacterial strain is that the strain bacterium in the bacterium is sieved in above-mentioned 4 strains again.According to morphological specificity, cultural characteristic and the physiological and biochemical property of bacterial strain,, 2.-29 this bacterial strain is identified that tentatively confirm as the genus Rhodopseudomonas, this bacterial strain sampling separates from Lishui of Zhejiang with reference to uncle Jie Shi Bacteria Identification handbook.
Described pseudomonad strain is 2.-29: belong to pseudomonas (Pseudomonas sp.); Well-grown in beef-protein medium, violet staining is inhomogeneous, the cell rod-short; Bacterium colony circle when on the beef extract-peptone agar plate, cultivating, neat in edge and rule, surface wettability, smooth, translucent, the khaki color of bacterium colony, lawn is thin.
The present invention also provides described pseudomonad strain 2.-29 in the application of control of plant bacterial wilt.The present invention is directed to present bacterial wilt of tomato and lack the effective chemical medicament, Ralstonia solanacearum problem that chemical pesticide is easily developed immunity to drugs in addition, by to Antagonistic Strains Against Tomato Bacterial Wilt separation screening and efficiency test thereof, separate the bacterial strain that bacterial wilt of tomato is had antagonistic action, can carry out further field test on this basis, so as to developing a kind of sophisticated microbial organic fertilizer,, alleviate widespread pollution from the overuse of fertilizers and pesticides in rural area and have important effect reducing the use of a large amount of chemical fertilizer, agricultural chemicals.
Description of drawings
Fig. 1 is 2.-29 antagonistic effect synoptic diagram of the withered La Er Salmonella of pair green grass or young crops of bacterial strain among the present invention.
Fig. 2 is that tomato seedling is transplanted engagement CK1 and the potted plant effect synoptic diagram of CK2 after the 15th day among the present invention.
Fig. 3 be among the present invention tomato seedling transplant engagement after the 15th day bacterial strain 2.-29 handles and contrasts the potted plant effect synoptic diagram of CK2.
Fig. 4 is an Antagonistic Strains Against Tomato Bacterial Wilt biocontrol effect test chart among the present invention.
Embodiment
By following examples the present invention is described in more detail, but following examples only are illustrative that the present invention is not subjected to the restriction of these embodiment.
Explanation to related material:
Peptone: biochemical preparation, Sangon Biotech (Shanghai) Co., Ltd.;
Extractum carnis: biochemical preparation, the extensive and profound in meaning star biotechnology in Beijing limited liability company;
Yeast extract (yeast extract): biochemical reagents, Shanghai yeast factory;
Casein hydrolysate (Lip river proteolysate): biochemical reagents, BIO.BASIC.INC.;
Agar: biochemical reagents, Quanzhou City, Fujian spring Hong Kongnization factory;
NaCl: analytical pure, Shanghai green grass or young crops is analysed Chemical Industry Science Co., Ltd;
K 2HPO 4: analytical pure, BIO.BASIC.INC.;
Glucose: analytical pure, Sangon Biotech (Shanghai) Co., Ltd.;
MgSO 47H 2O: analytical pure, Chinese ilex chemical plant;
Sucrose: analytical pure, BIO.BASIC.INC..
Embodiment 1: the separation and purification of bacterium
By following testing sequence bacterium is carried out separation and purification:
1 substratum
Beef extract-peptone nutrient agar: extractum carnis 3g, peptone 10g, NaCl 5g, agar 15-20g, H 2O 1000ml, PH 7.0-7.2.121.3 ℃ sterilization 20 minutes.
2 testing sequences
2.1 the preparation of substratum
Preparation as 1 described beef extract-peptone nutrient agar, preparation bacterium slant medium.
2.2 the preparation of soil diluent
(1). take by weighing 10g soil, add 100ml and have in the sterilized water 500ml triangular flask of granulated glass sphere, vibrated 15 minutes, i.e. 10-1;
(2). draw soil suspension 10ml, add in the 90ml sterilized water 500ml triangular flask, promptly 10 -2
(3). from (2), draw 10ml, add in the 90ml sterilized water 500ml triangular flask, promptly 10 -3
(4). from (3), draw 5ml, add in the 45ml sterilized water 250ml triangular flask, promptly 10 -4
(5). from (4), draw 5ml, add in the 45ml sterilized water 250ml triangular flask, promptly 10 -5
(6). from (5), draw 5ml, add in the 45ml sterilized water 250ml triangular flask, promptly 10 -6
2.3 bacterium separates
(7). from (3) (4) (5), draw 0.1ml respectively, join and be coated with cultivation (cultivating 2-3 days for 28-30 ℃) in the beef extract-peptone nutrient agar flat board, 3 repetitions respectively are set;
(8). the culture dish of selection 20-200 colony number carries out picking colony and carries out slant culture (cultivating 2-3 days for 28-30 ℃);
2.4 many soil samples
(9). totally 21 soil samples, each soil sample repeats above-mentioned 2.1~2.3 steps.
2.5 result
Separate as stated above and obtain bacterium strain more than 420.
Embodiment 2: the bacterium that separation obtains is to the dull and stereotyped antagonistic effect of the blue or green withered La Er Salmonella of bacterial wilt of tomato eggplant
1. substratum
1.1 solid medium
Ralstonia solanacearum substratum preparation: MgSO 47H 2O0.3g, K 2HPO 42.0g, Yeast extract (yeast extract) 4.0g, Casein hydrolysate (Lip river proteolysate) 8.0g, Sucrose (sucrose) 10.0g, Agar (agar) 18g, Distilled water (distilled water) 1000ml.
Beef extract-peptone nutrient agar preparation: with among the embodiment 11.
1.2 liquid nutrient medium
Bacterial liquid shake-flask culture base: beef-protein medium does not add agar and gets final product.
Bacterial wilt of tomato bacteria liquid shake-flask culture base: the ralstonia solanacearum substratum does not add agar and gets final product.
2, testing sequence
2.1 medium preparation
Preparation ralstonia solanacearum substratum (solid, liquid), the blue or green withered La Er Salmonella of preparation pathogenic bacteria eggplant inclined-plane; Preparation beef extract-peptone nutrient agar (solid, liquid), preparation bacterium inclined-plane.
2.2 dull and stereotyped antagonistic effect
2.2.1 actication of culture
Bacterial wilt of tomato bacterium and bacterium carry out actication of culture: bacterial wilt of tomato bacterium and separation of bacterial are switched to ralstonia solanacearum medium slant and beef extract-peptone nutrient agar inclined-plane, and 28-30 ℃, cultivated 16-28 hour, standby.
2.2.2 preparation ralstonia solanacearum flat board
The activation ralstonia solanacearum inserts in the liquid nutrient medium and carries out shake-flask culture, and 28-30 ℃, 200 rev/mins.Dull and stereotyped with the ralstonia solanacearum substratum every other day, (concentration is 10 etc. adding 0.1ml in each flat board after the culture medium solidifying 9~10 10Individual/ml) ralstonia solanacearum fermented liquid (fermenting about 40 hours), coating, 28-30 ℃ of overnight incubation, standby.
2.2.3 prepare the bacterial liquid fermented liquid
Cultivated second day at the ralstonia solanacearum liquid shaking bottle, the activation separation of bacterial inserts in the liquid nutrient medium and carries out shake-flask culture, and 28-30 ℃, 200 rev/mins, standby every other day (fermenting about 40 hours).
2.2.4 dull and stereotyped antagonistic effect
Dip in sterilization filter paper (Φ 9mm) and to get the separation of bacterial fermented liquid and put into the ralstonia solanacearum flat board, each flat board is put the different antagonistic bacteriums of 5 strains, 3 repetitions.24h left and right sides observation experiment result mainly investigates the inhibition zone size that has that it's too late.
3, result
Obtain antagonistic effect bacterium 27 strains preferably by dull and stereotyped antagonistic effect, 2.-29 bacterial strain is exactly a wherein strain.Referring to Fig. 1.Fig. 1 experiment is for being coated with earlier the blue or green withered La Er Salmonella fermented liquid of 0.1ml on flat board, then with filter paper dip in get bacterial strain 2.-29 fermented liquid be placed on the flat board, cultivate simultaneously and get.
Inhibition zone is obvious as seen from Figure 1, and 2.-29 fast growth of bacterial strain is described, diffusibility is strong, to the blue or green withered La Er Salmonella tool of eggplant antagonistic action significantly.
Embodiment 3: bacterial strain 2.-29 fermented liquid carries out the biocontrol effect test in order to check bacterial strain biocontrol effect 2.-29 to bacterial wilt of tomato on potted plant, carry out this test.
Experimental procedure:
1, grows seedlings
1.1 the preparation of seedling medium
Seedling medium is: the peat composed of rotten mosses: vermiculite: perlite=7: 1: 0.5, regulate water ratio to 60%~70% with tap water then, and standby.
1.2 sowing
1.1 about 3/4ths height of packing in the every cave of seedling culture hole plate (specification 90 * 60) preparation matrix is pressed with have gentle hands, evenly is sprinkled into 50 tomato seeds in every then cave, the very thin matrix of layer overlay again, and cover cave dish with plastics bag, and prevent moisture evaporation, standby.
1.3 emerge
1.2 ready sowing caves dish is put into growth cabinet cultivate, 25 ℃ of temperature are put into Da Penshui and are preserved moisture, and open all fluorescent lamps, all turn off later on for 18, and guarantee that day and night the temperature difference is more than 10 ℃.Emerged in about 4~5 days, and took plastics bag off after emerging, wait two cotyledons open and flat, standby.
2, seedling moves in the dish of cave and cultivates
2.1 transplantation of seedlings
Fill by 1.1 preparation matrix (slightly compressing) in dish (specification 45 * 45) every cave, cave, move into the open and flat seedling of 1 strain, 1.3 ready two cotyledons in every then cave, two refer to slightly compress at root, cultivate in booth.Be cultured to 3~4 true leaves (about 3~4 weeks) in the dish of cave.Attention: two refer to pinch 1 cotyledon when taking seedling.
2.2 blue or green withered La Er Salmonella and test antagonism fermented liquid are prepared
Blue or green withered La Er Salmonella and the activation of test antagonism bacterium, every then strain connects liquid shaking bottle and cultivates, and 28~30 ℃, 200 rev/mins, cultivate about 40 hours, standby.
2.3 use the antagonism bacterium in advance
Preceding 1 week of transplantation of seedlings engagement, add the corresponding antagonism fermented liquid of 5ml in every cave.
3, potted plant
3.1 potting soil is prepared
2~4 tons of soil are dug in the serious plot of bacterial wilt morbidity, Nian Qiancong Lishui of Zhejiang tomato planting base, and are standby.
3.2 soil dress basin
Take by weighing 2.1 of appropriate amount and prepare, sneak into 2% fertilizer, pack in every basin (specification 280 * 220) 4.5 kilograms and mix soil, standby.
3.3 transplant
Transplant 5 strain tomato seedlings in every basin, keep the skin wet as required.2 contrasts are established in this test, i.e. CK1 and CK2, CK1: do not add any bacterium during transplanting; CK2: the blue or green withered La Er Salmonella dilution fermented liquid (diluting 500 times) of 50ml is only watered in every strain during transplanting.2.-29 bacterial strain is handled, and each handles 6 basins, every basin 5 young plants, and uniform distribution, every strain root waters the blue or green withered La Er Salmonella dilution fermented liquid (diluting 500 times) of 50ml earlier during transplanting, and then waters 50ml antagonism bacterium dilution fermented liquid (diluting 10 times).
3.4 record
Write down temperature every day, humidity, standard plant true leaf number, every basin morbidity strain number, incidence of leaf and total true leaf number.
4, result
(annotate: transplanted engagement on May 17th, 2009, photo is to take on May 31st, 2009) as shown in Figures 2 and 3.Fig. 2 and Fig. 3 photo are that tomato seedling is transplanted the photo that engagement was taken on the 15th day, and on May 31st, 1 took.CK1 is an acomia diseased plant on June 22nd, 2009 to observing end as seen from Figure 4; CK2 fell ill since on May 21st, 2009, reached 24 strains to morbidity strain on May 31st, 2009 number; 2.-29 bacterial strain is handled since on May 19th, 2009 and is fallen ill, also have only 9 strains to morbidity strain on May 31st, 2009 number, 2.-29 pair certain preventive effect of bacterial wilt of tomato tool of bacterial strain is described, though 2.-29 bacterial strain is handled the diseased plant number still to compare photograph CK2 few when observe finishing on June 22nd, 2009, not obvious to later stage preventive effect effect.Reason may be that blue or green at leisure withered La Er Salmonella breeds in a large number, and bacterial strain 2.-29 can't prevention and control.Therefore when suggestion used this bacterial strain 2.-29 to carry out the bacterial wilt control, the later stage mended with 2.-29 goods of bacterial strain; Perhaps use goods of the present invention and combine the effect meeting better with the measure of plantation gardening.
Embodiment 4: the bacterium that separation obtains is identified
According to bacterial strain morphological specificity, cultural characteristic and physiological and biochemical property 2.-29,, 2.-29 this bacterial strain is identified that tentatively confirm as the genus Rhodopseudomonas, this bacterial strain sampling separates from Lishui of Zhejiang with reference to uncle Jie Shi Bacteria Identification handbook.
Features such as the form of this preservation strain, cultivation, physiology, biochemistry are as follows:
Pseudomonad strain is 2.-29: belong to pseudomonas (Pseudomonas sp.); Well-grown in beef-protein medium, violet staining is inhomogeneous, the cell rod-short; Bacterium colony circle when on the beef extract-peptone agar plate, cultivating, neat in edge and rule, surface wettability, smooth, translucent, the khaki color of bacterium colony, lawn is thin.
Bacterial strain is physics and chemistry test-results (BIOLOG GN2) 2.-29
Test subject The result Test subject The result Test subject The result Test subject The result
Cellular form Shaft-like Gramstaining Negative Oxydase - Catalase +
Contrast - The D-melibiose - The p-phenylglycollic acid + The L-Histidine +
The a-cyclodextrin - Methyl glucoside - Methylene-succinic acid - Oxyproline +
Dextrin - The D-psicose - The a-ketobutyric acid - The L-leucine +
Glycogen - The D-raffinose - The a-keto-glutaric acid + The L-ornithine +
Tween40 - The L-rhamnosyl - The a-oxopentanoic acid - The L-phenylalanine +
Tween80 B The D-sorbyl alcohol - D, L-lactic acid + The L-proline(Pro) +
N-acetylgalactosamine - Sucrose - Propanedioic acid - The L-Pyrrolidonecarboxylic acid +
N-acetyl grape osamine - The D-trehalose - Propionic acid + The D-Serine +
Ribitol - Turanose - Quinic acid + The L-Serine +
L-arabinose - Xylitol - The D-saccharinic acid + The L-Threonine +
The D-arabitol - Pyruvic Acid Methyl ester + The certain herbaceous plants with big flowers diacid - D, the L-carnitine +
The D-cellobiose - The Succinic Acid methyl esters + Succinic Acid + The g-aminobutyric acid +
The i-tetrahydroxybutane - Acetate + Bromosuccinic acid + Urocanic acid +
D-fructose B Suitable-aconic acid + Succinamic acid + Inosine +
L-fructose - Citric acid + Glucuronamide - Uridine -
The D-semi-lactosi - Formic acid - The L alanimamides + Thymidine -
Gentiobiose - The D-galactonolactone - The D-L-Ala + Phenyl-ethyl amine +
A-D-glucose + The D-galacturonic acid + The L-L-Ala + Putrescine +
The m-inositol - The D-saccharic acid of crawling + The L-alanyl-glycine + The 2-monoethanolamine +
The a-D-lactose - The b-methyl glucoside - Altheine + 2, the 3-butyleneglycol B
Lactulose - The D-uronic acid of crawling + The L-aspartic acid + Glycerine +
Maltose - The a-hydroxybutyric acid - L-L-glutamic acid + D, the L-glycerophosphate -
D-N.F,USP MANNITOL - The b-hydroxybutyric acid + The glycyl aspartic acid - D-sugar-1-the phosphoric acid of crawling -
The D-seminose + The g-hydroxybutyric acid - Glycyl L-glutamic acid + The D-Robison ester B
Bacterial strain 2.-2916S rRNA gene sequencing result following (SEQ ID No.1 in the sequence table):
GGTAACCGTCCCCCCGAAGGTTAGACTAGCTACTTCTGGTGCAACCCACTCCC
ATGGTGTGACGGGCGGTGTGTACAAGGCCCGGGAACGTATTCACCGCAACATT
CTGATTTGCGATTACTAGCGATTCCGACTTCACGCAGTCGAGTTGCAGACTGC
GATCCGGACTACGATCGGTTTTGTGAGATTAGCTCCACCTCGCGGCTTGGCAA
CCCTCTGTACCGACCATTGTAGCACGTGTGTAGCCCAGGCCGTAAGGGCCATG
ATGACTTGACGTCATCCCCACCTTCCTCCGGTTTGTCACCGGCAGTCTCCTTAG
AGTGCCCACCATAACGTGCTGGTAACTAAGGACAAGGGTTGCGCTCGTTACGG
GACTTAACCCAACATCTCACGACACGAGCTGACGACAGCCATGCAGCACCTG
TGTCAGAGTTCCCGAAGGCACCAATCCATCTCTGGAAAGTTCTCTGCATGTCA
AGGCCTGGTAAGGTTCTTCGCGTTGCTTCGAATTAAACCACATGCTCCACCGC
TTGTGCGGGCCCCCGTCAATTCATTTGAGTTTTAACCTTGCGGCCGTACTCCCC
AGGCGGTCAACTTAATGCGTTAGCTGCGCCACTAAAATCTCAAGGATTCCAAC
GGCTAGTTGACATCGTTTACGGCGTGGACTACCAGGGTATCTAATCCTGTTTGC
TCCCCACGCTTTCGCACCTCAGTGTCAGTATCAGTCCAGGTGGTCGCCTTCGC
CACTGGTGTTCCTTCCTATATCTACGCATTTCACCGCTACACAGGAAATTCCAC
CACCCTCTACCATACTCTAGCTCGCCAGTTTTGGATGCAGTTCCCAGGTTGAGC
CCGGGGCTTTCACATCCAACTTAACGAACCACCTACGCGCGCTTTACGCCCAG
TAATTCCGATTAACGCTTGCACCCTCTGTATTACCGCGGCTGCTGGCACAGAGT
TAGCCGGTGCTTATTCTGTCGGTAACGTCAAAACAGCAAGGTATTAACTTACTG
CCCTTCCTCCCAACTTAAAGTGCTTTACAATCCGAAGACCTTCTTCACACACG
CGGCATGGCTGGATCAGGCTTTCGCCCATTGTCCAATATTCCCCACTGCTGCCT
CCCGTAGGAGTCTGGACCGTGTCTCAGTTCCAGTGTGACTGATCATCCTCTCA
GACCAGTTACGGATCGTCGCCTTGGTGAGCCATTACCTCACCAACTAGCTAATC
CGACCTAGGCTCATCTGATAGCGCAAGGCCCGAAGGTCCCCTGCTTTCTCCCG
TAGGACGTATGCGGTATTAGCGTTCCTTTCGAAACGTTGTCCCCCACTACCAGG
CAGATTCCTAGGCATTACTCACCCGTCCGCCGCTGAATCGAAGAGCAAGCTCT
CCTCATCCGCTCGACTTGC
16S rRNA gene order is carried out the Blast interpretation of result, obtain reaching 99% with pseudomonas type strain similarity, therefore according to 16S rRNA gene sequencing result, this bacterial strain can be classified as pseudomonas putida, but physiological and biochemical index and pseudomonas putida differ greatly, at present also do not have suitable type strain corresponding with it, belong to new bacterial strain.
Sequence table
<110〉Zhejiang University
The Zhejiang Academy of Agricultural Science
<120〉a kind of pseudomonad strain and application thereof
<130>1
<160>1
<170>PatentIn?version?3.3
<210>1
<211>1406
<212>DNA
<213>Pseudomonas?sp.
<400>1
ggtaaccgtc?cccccgaagg?ttagactagc?tacttctggt?gcaacccact?cccatggtgt 60
gacgggcggt?gtgtacaagg?cccgggaacg?tattcaccgc?aacattctga?tttgcgatta 120
ctagcgattc?cgacttcacg?cagtcgagtt?gcagactgcg?atccggacta?cgatcggttt 180
tgtgagatta?gctccacctc?gcggcttggc?aaccctctgt?accgaccatt?gtagcacgtg 240
tgtagcccag?gccgtaaggg?ccatgatgac?ttgacgtcat?ccccaccttc?ctccggtttg 300
tcaccggcag?tctccttaga?gtgcccacca?taacgtgctg?gtaactaagg?acaagggttg 360
cgctcgttac?gggacttaac?ccaacatctc?acgacacgag?ctgacgacag?ccatgcagca 420
cctgtgtcag?agttcccgaa?ggcaccaatc?catctctgga?aagttctctg?catgtcaagg 480
cctggtaagg?ttcttcgcgt?tgcttcgaat?taaaccacat?gctccaccgc?ttgtgcgggc 540
ccccgtcaat?tcatttgagt?tttaaccttg?cggccgtact?ccccaggcgg?tcaacttaat 600
gcgttagctg?cgccactaaa?atctcaagga?ttccaacggc?tagttgacat?cgtttacggc 660
gtggactacc?agggtatcta?atcctgtttg?ctccccacgc?tttcgcacct?cagtgtcagt 720
atcagtccag?gtggtcgcct?tcgccactgg?tgttccttcc?tatatctacg?catttcaccg 780
ctacacagga?aattccacca?ccctctacca?tactctagct?cgccagtttt?ggatgcagtt 840
cccaggttga?gcccggggct?ttcacatcca?acttaacgaa?ccacctacgc?gcgctttacg 900
cccagtaatt?ccgattaacg?cttgcaccct?ctgtattacc?gcggctgctg?gcacagagtt 960
agccggtgct?tattctgtcg?gtaacgtcaa?aacagcaagg?tattaactta?ctgcccttcc 1020
tcccaactta?aagtgcttta?caatccgaag?accttcttca?cacacgcggc?atggctggat 1080
caggctttcg?cccattgtcc?aatattcccc?actgctgcct?cccgtaggag?tctggaccgt 1140
gtctcagttc?cagtgtgact?gatcatcctc?tcagaccagt?tacggatcgt?cgccttggtg 1200
agccattacc?tcaccaacta?gctaatccga?cctaggctca?tctgatagcg?caaggcccga 1260
aggtcccctg?ctttctcccg?taggacgtat?gcggtattag?cgttcctttc?gaaacgttgt 1320
cccccactac?caggcagatt?cctaggcatt?actcacccgt?ccgccgctga?atcgaagagc 1380
aagctctcct?catccgctcg?acttgc 1406

Claims (6)

1. 2.-29 a pseudomonad strain is characterized in that: its called after pseudomonas (Pseudomonassp.) of classifying, be preserved in China Committee for Culture Collection of Microorganisms common micro-organisms center, and its deposit number is CGMCC No.3331.
2. 2.-29 a kind of pseudomonad strain as claimed in claim 1 is characterized in that described pseudomonad strain 16S rRNA gene order 2.-29 is SEQ ID NO:1.
3. a kind of pseudomonad strain as claimed in claim 1 2.-29,2.-29 feature is as follows to it is characterized in that described pseudomonad strain: the strain cell rod-short, bacterium colony circle when on the beef extract-peptone agar plate, cultivating, neat in edge and rule, surface wettability, smooth, translucent, the khaki color of bacterium colony, lawn is thin.
4. 2.-29 application in control of plant bacterial wilt of a kind of pseudomonad strain as claimed in claim 1 or 2.
5. 2.-29 application in control of plant bacterial wilt of a kind of pseudomonad strain as claimed in claim 4 is characterized in that its being applied as in described control of plant bacterial wilt: with concentration is 10 9~10 10The pseudomonas of individual/ml 2.-29 liquid fermentation liquid is seeded to that to contain 0.1ml concentration be 10 9~10 10In the plate culture medium of the bacterial wilt of tomato fermented liquid of individual/ml, cultivate 24h, bacterial wilt of tomato is had antagonistic action.
6. 2.-29 application in control of plant bacterial wilt of a kind of pseudomonad strain as claimed in claim 4 is characterized in that its being applied as in described control of plant bacterial wilt: with inoculum size is that every gram soil contains 10 approximately 6~10 7Individual antimicrobial pseudomonas short of money 2.-29 liquid fermentation liquid is seeded in the basin of planting tomato seedling, potted plant in every gram soil contain 10 approximately 5~10 6Individual bacterial wilt of tomato bacterium was cultivated 15 days, and inoculation has 2.-29 tomato seedling morbidity strain number minimizing of bacterium liquid of pseudomonas.
CN2010100037262A 2010-01-01 2010-01-01 Pseudomonas sp. strain and use thereof Expired - Fee Related CN101928683B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010100037262A CN101928683B (en) 2010-01-01 2010-01-01 Pseudomonas sp. strain and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010100037262A CN101928683B (en) 2010-01-01 2010-01-01 Pseudomonas sp. strain and use thereof

Publications (2)

Publication Number Publication Date
CN101928683A true CN101928683A (en) 2010-12-29
CN101928683B CN101928683B (en) 2012-05-02

Family

ID=43368114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010100037262A Expired - Fee Related CN101928683B (en) 2010-01-01 2010-01-01 Pseudomonas sp. strain and use thereof

Country Status (1)

Country Link
CN (1) CN101928683B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106047741A (en) * 2016-03-04 2016-10-26 李涛 Bacterial strain and synthetic method for synthesizing PHA from chitin, and application of PHA
CN106490003A (en) * 2016-08-31 2017-03-15 浙江省农业科学院 Suppression and its extracting method of the Herba Apii graveolentis root exudates concentrated solution to bacterial wilt of tomato bacterium
CN106978373A (en) * 2017-05-09 2017-07-25 福建农林大学 One plant is used for pseudomonad and the application that bacteriosis is prevented and treated
CN109603515A (en) * 2019-01-16 2019-04-12 郑州大学 A kind of microbial deodorant and preparation method thereof for benzene homologues
CN112522136A (en) * 2020-11-19 2021-03-19 贵州省烟草科学研究院 Pseudomonas and application thereof in controlling bacterial wilt of solanaceae crops
CN114561324A (en) * 2022-03-03 2022-05-31 山西农业大学 Tomato bacterial wilt antagonistic strain and application thereof in prevention and treatment of tomato bacterial wilt
CN114657101A (en) * 2022-04-06 2022-06-24 华南农业大学 Pseudomonas toruloides Q4-3 strain and application thereof in treating and/or preventing bacterial wilt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1515666A (en) * 2000-10-11 2004-07-28 常州兰陵制药有限公司 Method for screening pseudomonads for controlling blight

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106047741A (en) * 2016-03-04 2016-10-26 李涛 Bacterial strain and synthetic method for synthesizing PHA from chitin, and application of PHA
CN106047741B (en) * 2016-03-04 2019-09-27 李涛 It is a kind of to utilize the bacterial strain and synthetic method of chitin synthesis PHA and its application
CN106490003A (en) * 2016-08-31 2017-03-15 浙江省农业科学院 Suppression and its extracting method of the Herba Apii graveolentis root exudates concentrated solution to bacterial wilt of tomato bacterium
CN106490003B (en) * 2016-08-31 2019-02-01 浙江省农业科学院 Inhibition and its extracting method of the celery root exudates concentrate to ralstonia solanacearum of tomato
CN106978373A (en) * 2017-05-09 2017-07-25 福建农林大学 One plant is used for pseudomonad and the application that bacteriosis is prevented and treated
CN109603515A (en) * 2019-01-16 2019-04-12 郑州大学 A kind of microbial deodorant and preparation method thereof for benzene homologues
CN112522136A (en) * 2020-11-19 2021-03-19 贵州省烟草科学研究院 Pseudomonas and application thereof in controlling bacterial wilt of solanaceae crops
CN114561324A (en) * 2022-03-03 2022-05-31 山西农业大学 Tomato bacterial wilt antagonistic strain and application thereof in prevention and treatment of tomato bacterial wilt
CN114657101A (en) * 2022-04-06 2022-06-24 华南农业大学 Pseudomonas toruloides Q4-3 strain and application thereof in treating and/or preventing bacterial wilt

Also Published As

Publication number Publication date
CN101928683B (en) 2012-05-02

Similar Documents

Publication Publication Date Title
CN101864376B (en) Pseudomonas fluorescens strain, microbial inoculum and use thereof as seedling culture medium for controlling tomato bacterial wilt
CN101928683B (en) Pseudomonas sp. strain and use thereof
Prasanna et al. Cyanobacteria as a “green” option for sustainable agriculture
CN103484396B (en) New strain of streptomyces thermocarboxydus and application thereof
CN113322209B (en) Plant growth-promoting composite microbial inoculum produced based on ecological relationship among strains and application thereof
CN102329756A (en) Streptomyces albospinus strain BWL15-4 for preventing and treating banana vascular wilt and application thereof
CN105462881A (en) Paenibacillus polymyxa for preventing and treating vertieillium wilt in crops and application of paenibacillus polymyxa
CN110484473B (en) Method for promoting colonization of dalford rhynchophyllum in plant rhizosphere
CN103255064B (en) Fungal agent for prevention and control of watermelon fusarium wilt and preparation method thereof
CN109182194B (en) Rhizobium oridonii for promoting growth of corolla dentiger and culture method and application thereof
CN101818125B (en) Rhizobiumrhizogenes strain, bactericide and application thereof serving as seedling raising matrix in preventing and controlling tomato bacterial wilt
CN109055274B (en) Caragana rhizobium and fermentation culture method and application thereof
CN102643763B (en) Tomato bacterial wilt antagonist and application thereof
CN108913625B (en) Salt-tolerant streptomycete, microbial inoculum thereof and application of microbial inoculum thereof in promoting plant growth
CN113151038B (en) Extracellular polysaccharide producing strain, method for producing extracellular polysaccharide by using strain and application of extracellular polysaccharide
CN105062897B (en) The Trichoderma viride of one plant height production chlamydospore and its application
CN112094770B (en) Bacillus altitudinis, application of active substance compound solution and microbial inoculum thereof in preventing and treating root knot nematode disease
CN110791459B (en) Bacillus subtilis for preventing and controlling continuous cropping lily soil-borne blight and application thereof
CN108203695B (en) Rhododendron mycorrhizal fungi functional strain and application thereof
CN105524874A (en) Bacillus methylotrophicus strain NKG-1 and plant growth promoting method
CN101914449B (en) Fungal inoculant for controlling bacterial wilt of tomato and preparation method thereof
CN110205258B (en) Streptomyces bacterial strain PBS9 for preventing and treating potato scab and application thereof
CN116396906B (en) Solid state fermentation product of non-pathogenic bacterial wilt and application thereof
CN113832074B (en) Actinomycetes, and biocontrol microbial inoculum and application thereof
CN117384807B (en) Bacillus mycoides HDMM 2 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
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120502

Termination date: 20160101

EXPY Termination of patent right or utility model