CN117431166B - 短密木霉菌新菌株tb2及其应用 - Google Patents
短密木霉菌新菌株tb2及其应用 Download PDFInfo
- Publication number
- CN117431166B CN117431166B CN202311753128.0A CN202311753128A CN117431166B CN 117431166 B CN117431166 B CN 117431166B CN 202311753128 A CN202311753128 A CN 202311753128A CN 117431166 B CN117431166 B CN 117431166B
- Authority
- CN
- China
- Prior art keywords
- strain
- trichoderma brevicompactum
- trichoderma
- saline
- brevicompactum
- 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.)
- Active
Links
- 241001036274 Trichoderma brevicompactum Species 0.000 title claims abstract description 13
- 235000014443 Pyrus communis Nutrition 0.000 claims abstract description 28
- 230000012010 growth Effects 0.000 claims abstract description 22
- 244000052616 bacterial pathogen Species 0.000 claims abstract description 16
- UHPMCKVQTMMPCG-UHFFFAOYSA-N 5,8-dihydroxy-2-methoxy-6-methyl-7-(2-oxopropyl)naphthalene-1,4-dione Chemical compound CC1=C(CC(C)=O)C(O)=C2C(=O)C(OC)=CC(=O)C2=C1O UHPMCKVQTMMPCG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 241000223218 Fusarium Species 0.000 claims abstract description 15
- 230000001737 promoting effect Effects 0.000 claims abstract description 12
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 claims abstract description 9
- 240000008067 Cucumis sativus Species 0.000 claims abstract description 9
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 claims abstract description 9
- 240000001987 Pyrus communis Species 0.000 claims abstract description 9
- 230000000853 biopesticidal effect Effects 0.000 claims abstract description 4
- 244000241235 Citrullus lanatus Species 0.000 claims abstract 2
- 241000223259 Trichoderma Species 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 11
- 230000001580 bacterial effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000002068 microbial inoculum Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000002262 irrigation Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 230000000813 microbial effect Effects 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 241000196324 Embryophyta Species 0.000 abstract description 20
- 239000003513 alkali Substances 0.000 abstract description 19
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000589 Siderophore Substances 0.000 abstract description 6
- 239000011780 sodium chloride Substances 0.000 abstract description 5
- 230000000443 biocontrol Effects 0.000 abstract description 4
- 239000003337 fertilizer Substances 0.000 abstract description 4
- 230000005764 inhibitory process Effects 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 238000004090 dissolution Methods 0.000 abstract description 2
- 241000220324 Pyrus Species 0.000 description 22
- 238000011081 inoculation Methods 0.000 description 19
- 239000007788 liquid Substances 0.000 description 8
- 241000219109 Citrullus Species 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 239000002609 medium Substances 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000001963 growth medium Substances 0.000 description 5
- 239000008223 sterile water Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000021017 pears Nutrition 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229930192334 Auxin Natural products 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 101100038180 Caenorhabditis briggsae rpb-1 gene Proteins 0.000 description 1
- 238000002965 ELISA Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010022971 Iron Deficiencies Diseases 0.000 description 1
- QIVBCDIJIAJPQS-VIFPVBQESA-N L-tryptophane Chemical compound C1=CC=C2C(C[C@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-VIFPVBQESA-N 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 244000088401 Pyrus pyrifolia Species 0.000 description 1
- 235000011400 Pyrus pyrifolia Nutrition 0.000 description 1
- 244000173166 Pyrus ussuriensis Species 0.000 description 1
- 235000011572 Pyrus ussuriensis Nutrition 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 229920001872 Spider silk Polymers 0.000 description 1
- 101150074253 TEF1 gene Proteins 0.000 description 1
- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Natural products C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003501 co-culture Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000002856 computational phylogenetic analysis Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 244000000004 fungal plant pathogen Species 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000006041 probiotic Substances 0.000 description 1
- 235000018291 probiotics Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000028070 sporulation Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- 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
- C12N1/14—Fungi; Culture media therefor
- C12N1/145—Fungal isolates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- 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
- A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
- A01N63/38—Trichoderma
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P21/00—Plant growth regulators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
-
- 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
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
-
- 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
- C12N1/14—Fungi; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
-
- 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
- C12R2001/645—Fungi ; Processes using fungi
- C12R2001/885—Trichoderma
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Botany (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Mycology (AREA)
- Virology (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Forests & Forestry (AREA)
- Ecology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Materials Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
本发明涉及微生物技术领域,特别涉及短密木霉菌新菌株TB2及其应用,本发明申请人自行筛选的菌株TB2是从梨园中分离出来的,经鉴定,该菌株能在盐碱地上有很好的生长表现,在NaCl浓度为0.4M和pH为8.0的条件下均能良好生长;此外,该菌株还具有高产IAA、铁载体和溶解难溶性铁能力,对西瓜和黄瓜枯萎病病原菌均有良好的抑制作用;经过模拟盐碱条件发现:该菌株对植物具有良好的促生作用,由此说明,本申请的TB2菌株有良好的耐盐碱特性,在盐碱条件下仍对植物有促生作用,是一株性状优良的生防菌株,该菌株在制备盐碱地改良剂、生物有机肥、生物农药等领域都有很好的应用。
Description
技术领域
本发明涉及微生物技术领域,特别涉及短密木霉菌新菌株TB2及其应用。
背景技术
石灰性土壤广泛分布于南北纬10°~40°的干旱、半干旱地区,约占世界农业用地总面积的30%。石灰性土壤中一般含有较高浓度的重碳酸盐,pH值处在7.5~9.0的较高范围,导致土壤中有效性铁和有效性磷含量低,严重影响了梨等经济果树的产量及品质。
木霉不仅具有生防功能能直接抑制病原菌的生长,还可以定殖于植物根部,通过多种作用机制与植物互作,从而直接或间接地促进植物生长。除此之外木霉能够通过分泌有机酸溶解土壤中微溶性或难溶性矿物质,使土壤中的矿物质转化成植物可吸收利用的活化态,对植物生长起到促进作用。因此外源添加木霉菌剂是改善石灰性土壤障碍的有效方法。然而在实际工作中我们发现,同属同种的不同菌株,其生理上有较大差别,比如,目前市场上常见的木霉产品NJAU 4742在碱性条件下生长较差其促生及其他功能无法充分发挥。
因此,菌株的筛选、研发工作是一项永无止境的研究领域,新菌株的发现将为后续盐碱地改良、植物保护、生物菌肥等各个领域提供坚实的基础,本申请主要是为了筛选出具有耐盐碱、促生效果明显同时还兼具抗病性的多功能微生物,该菌株的筛选对石灰性土壤上梨树的正常生长及其产量和品质的提升有重要意义。
发明内容
鉴于上述内容,有必要筛选出具有耐盐碱、促生效果明显同时还兼具抗病性的多功能微生物,该菌株的筛选对石灰性土壤上梨树的正常生长及其产量和品质的提升有重要意义。
为达到上述目的,本发明筛选出了一株新菌株:短密木霉菌(Trichoderma brevicompactum)菌株TB2,分类命名为Trichoderma brevicompactum TB2,其保藏编号为CCTCC NO:M20231913;该菌株保藏于中国典型培养物保藏中心,地址:中国. 武汉. 武汉大学,保藏日期为2023年10月16日。
本发明还包括包含所述短密木霉菌(Trichoderma brevicompactum)菌株TB2的菌剂。
本发明还包括所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或如所述菌剂在制备盐碱地改良剂上的应用。
本发明还包括所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或所述菌剂在抑制西瓜枯萎病病原菌(Fusarium oxysporium f.sp.cucumerinum,FOC)和黄瓜枯萎病病原菌(Fusarium oxysporum f. sp. niveum,FON)生长上的应用。
本发明还包括所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或所述菌剂在促进梨树生长上的应用。
本发明还包括所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或所述菌剂在制备生物肥料、生物农药和/或土壤修复剂上的应用。
本发明还包括应用所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或所述菌剂促进植物生长的方法,其特征在于,所述方法为:将菌株TB2的孢子制备成悬浮液然后将该悬浮液对栽培好的植物进行灌根处理,其他管理方法采用常规管理方法即可。
进一步的,所述植物为梨树。
进一步的,所述悬浮液的孢子浓度为107cfu/ml。
本发明的有益效果为:本发明申请人自行筛选的菌株TB2是从梨园中分离出来的,经鉴定,该菌株能在盐碱地上有很好的生长表现,在NaCl浓度为0.4M和pH为8.0的条件下均能良好生长;此外,该菌株还具有高产IAA、铁载体和溶解难溶性铁能力,对西瓜和黄瓜枯萎病病原菌均有良好的抑制作用;经过模拟盐碱条件发现:该菌株对植物具有良好的促生作用,由此说明,本申请的TB2菌株有良好的耐盐碱特性,在盐碱地上仍对植物有促生作用,是一株性状优良的生防菌株,该菌株在制备盐碱地改良剂、植物生物肥、生物农药等领域都有很好的应用。
附图说明
图1 为菌株TB2的系统发育树图。
图2 为菌株TB2的平皿图。
图3 为菌株TB2对西瓜枯萎病病原菌的平板对峙实验结果图。
图4 为菌株TB2对黄瓜枯萎病病原菌的平板对峙实验结果图。
图5 为不同接种处理的梨苗生长情况图。
图6 为不同接种处理的梨苗根部情况图。
图7 为不同接种处理的植株鲜重和干重结果图;左图为植株鲜重,右图为植株干重。
图8 为不同接种处理的植株全磷积累量图。
图9 为不同接种处理的植株总根长和根表面积结果图;左图为总根长,右图为根表面积。
图10为不同接种处理的土壤有效铁含量结果图。
具体实施方式
本说明书中公开的所有特征,或公开的所有方法或过程中的步骤,除了互相排斥的特征和/或步骤以外,均可以以任何方式组合。
本说明书(包括任何附加权利要求、摘要)中公开的任一特征,除非特别叙述,每个特征只是一系列等效或类似特征中的一个例子而已。
实施例1
本实施例使用的益生菌为短密木霉菌(Trichoderma brevicompactum)菌株TB2,分类命名为Trichoderma brevicompactum TB2,其保藏编号为CCTCC NO:M20231913;该菌株保藏于中国典型培养物保藏中心,地址:中国. 武汉. 武汉大学,保藏日期为2023年10月16日。
该菌株从北京梨园土壤中分离而得。
1、菌株的分子鉴定:基于ITS序列的比对及针对rpb2、tef1基因片段的系统发育进化树分析鉴定,得到的结果如图1所示,从图中可见:TB2菌株与Trichoderma属聚为一类,与Trichoderma brevicompactum种具有99%的同源性;因此,将TB2菌株鉴定为Trichoderma brevicompactum种。
2、形态学鉴定:将TB2孢子液接种于PDA培养基上,置于恒温培养箱中进行培养,培养3d后,平皿上菌落直径约为9cm,呈蛛丝状,白色,散射光下由于产孢表面呈绿色,孢子分布呈同心圆,无需光照即可产生成熟孢子。综合分子鉴定,认为该菌株为短密木霉菌。
实施例2
短密木霉菌株TB2的盐碱性实验,具体为:将菌株TB2 的孢子液接种到普通PDA培养基上,28℃培养2d。待到菌丝长满平板后使用9mm打孔器取最边缘的菌饼接种至含0.2M和0.4M 的NaCl PDA培养基上,设置5个重复。在28℃下黑暗培养,24h后测定其菌落直径。使用9mm打孔器取最边缘的菌饼接种至pH为4.0、6.0、8.0的PDA培养基上,设置5个重复。在28℃下黑暗培养,24h和48h后测定其菌落直径。得到的结果如表1所示。
从表1中可知,在NaCl浓度为0.4M 和pH为8.0的条件下菌株TB2能够良好的生长。
实施例3
菌株TB2的促生特性分析,具体包括以下步骤。
1、菌株TB2生长素IAA产量测定:IAA 产量的检测采用 Salkowski 比色法(Glickmann and Dessaux, 1995)。将菌株TB2孢子液以1%的接种量加入含200 mg·L-1色氨酸的PDB培养基中,黑暗下28°C, 170 r·min-1 振荡培养5d。然后将菌悬液在8000 r·min-1,4°C离心10 min 取发酵液上清100μL,以 1:1 的比例加入Salkowski 显色液,避光反应30 分钟,若反映液变为红色,则说明发酵液中含 IAA 类似物,且颜色越深表示IAA含量越高。用酶标仪测定 OD530值,用相应的标准曲线计算出该菌株产IAA的量。 标准曲线采用IAA 标准品(Sigma)制作。配置的 IAA 溶液浓度依次为 0,10,20,30,40,50 mg/L,按上述梯度溶液分别吸取100μL,加入100μL比色液,暗处反应30 min后测定 OD530nm。加入比色液的PDB空白培养基为对照,各设置三个重复,绘制标准曲线。
2、菌株TB2铁载体产量测定:取1 mL新鲜木霉孢子悬液加入到100 m L的LNM 缺铁培养基中,28 ℃,170 r·min-1 振荡培养5 d。然后将菌悬液在8000 r·min-1,4°C离心10min 取发酵液上清100μL,加入等体积 CAS 检测液,充分混匀,黑暗静置 0.5~1 h,用酶标仪测定 630 nm 处的吸光值 (As),并用超纯水作为对照进行调零。另取未加孢子的培养基与 CAS 检测液液等体积混合,颠倒混匀,黑暗处理相同的时间,以其吸光值作为参比值(Ar)。然后根据[(Ar-As)/Ar]×100%此公式计算出铁载体的相对含量。
3、菌株TB2溶铁能力测定:在24孔板中预先加入1.45 mL的 LNM 培养基,称取 1 g氧化铁粉末于50 mL 离心管中,115°C,灭菌 30 min 后,加入 50 mL 10%LNM培养基,摇匀后,每个孔加入50μL,其中对照组加入15μL的无菌水,处理组加入15μL的TB2木霉孢子液,每个处理设三个重复,一式五份,28 °C,170 r·min-1 恒温摇床振荡,在第24h、48h、72h、96h破坏性取样测定菌液pH。在第96h吸取菌液置于离心管中,离心后吸取上清液过0.22μm 滤膜,加混酸(浓 HNO3: HClO4=4:1) 消煮后,ICP-OES测铁浓度。得到的结果如表2所示。
从表2中可见,菌株TB2有较强的产IAA、产铁载体能力,也有一定的溶铁能力,说明菌株TB2对植物具有一定的促生潜力。
菌株TB2与氧化铁的共培养pH如表3所示,表中可见,在前48h TB2实验组与空白组的pH值相差不大,72h时,TB2实验组的pH显著下降,说明,菌株TB2在培养24h-48h时间段可以通过大量产酸溶解难溶性铁。
实施例4
本实施例研究菌株TB2对多种植物病原真菌的抑制作用,具体如下(图3中所注B2即为菌株TB2)。
菌株TB2对西瓜枯萎病(Fusarium oxysporium f.sp.cucumerinum,FOC)的影响:申请人将获得的相关病原菌后采用平板对峙实验进行抑菌效果的研究,具体为,将上述西瓜枯萎病的病原菌用灭菌打孔器取直径约9mm大小的菌块分别接种在9cm的PDA平板一侧,将木霉TB2接种于平板另一侧,在 28℃下黑暗培养,拍照记录真菌对峙情况。具体如图3所示,图中A为未接种TB2的对照组,B为接种了TB2的实验组,从图中可见,实验组的西瓜枯萎病的病原菌的菌丝明显受到TB2菌株的抑制。
2、菌株TB2对黄瓜枯萎病(Fusarium oxysporum f. sp. niveum,FON)的影响:申请人将获得的相关病原菌后采用平板对峙实验进行抑菌效果的研究,具体为,将上述黄瓜枯萎病的病原菌用灭菌打孔器取直径约9mm大小的菌块分别接种在9cm的PDA平板一侧,将木霉TB2接种于平板另一侧,在 28℃下黑暗培养,拍照记录真菌对峙情况。具体如图4所示,图中A为未接种TB2的对照组,B为接种了TB2的实验组,从图中可见,实验组的黄瓜枯萎病的病原菌的菌丝明显受到TB2菌株的抑制。
实施例5
本实施例研究石灰性土壤上菌株TB2对杜梨幼苗的促生作用。
1、本实施例的供试土壤采自江苏省徐州市,基本理化性质如表4所示。
2、实验方法具体包括以下步骤。
(1)孢子悬浮液制备:将菌株TB2菌株接种于PDA培养基上,28℃培养7d至完全产孢。刮取孢子,用去无菌水将孢子悬液浓度调至108cfu/ml。
(2)育苗:杜梨种子提前用无菌去离子水浸泡一天,75%酒精浸泡 1 min, 无菌水冲洗 3~5 次,2%次氯酸钠溶液浸泡 20 min,无菌水冲洗 5 次。消毒好的杜梨种子均匀地平铺在灭菌的滤纸上催芽 3~5 天,挑选萌发的种子点播在灭菌的穴盘基质中,至梨幼苗长出三片真叶。
(3)移苗:将土壤和河沙灭菌后按照3:1(v/v)的比例混合置于塑料盆钵中,250g每钵,选取长势一致的梨苗幼苗移栽到含混合土壤的盆钵中,缓苗10d后进行木霉孢子悬液灌根处理,每株梨苗根部接种木霉TB2孢子悬液10 ml(接种浓度为107 cfu/ml),设置不接菌处理为空白对照CK。接种10天后进行二次接菌,操作与一次接菌一致,培养2月后收获。
(4)收苗:培育2月后对梨苗的生长情况进行测量,包括株高、地上部与根系干鲜重、地上部与根系全铁、全磷含量、叶片活性铁含量、土壤pH、有效铁和有效磷含量。并对番茄苗根系进行扫描分析其总根长和根表面积。
(5)实验结果:图5为不同接种处理的梨苗生长情况,可见,在石灰性土壤上,接种菌株TB2的梨苗长势明显优于不接菌的对照处理;不同接种处理的梨苗的根部情况如图6所示,可见,在石灰性土壤上,接种菌株TB2的梨苗根系明显比不接菌的对照处理更发达。
不同接种处理的梨苗鲜重和干重如图7所示,左图为鲜重,右图为干重,从图中可见,与CK相比,接种菌株TB2的梨苗鲜重显著提高了25.0%和梨苗干重显著提高了23.0%。
不同接种处理的梨苗全磷积累量如图8所示,从图中可见,与CK相比,接种菌株TB2的梨苗全磷积累量显著提高了23.8%。
不同接种处理的梨苗总根长和根表面积如图9所示,图中左图为总根长,右图为根表面积,从图中可见,与CK相比,接种菌株TB2梨苗总根长显著提高74.3%,梨苗根表面积显著提高118.0%。
不同接种处理的土壤有效铁含量如图10所示,从图中可见,与CK相比,接种菌株TB2土壤中有效铁含量显著提高了49.3%。
综上所述,本发明申请人自行筛选的菌株TB2能在盐碱地上有很好的生长表现,在NaCl浓度为0.4M和pH为8.0的条件下均能良好生长,且还发现该菌株能高产IAA、铁载体和溶解难溶性铁能力,经过模拟盐碱条件发现:该菌株对植物还具有良好的促生作用,经过与病原菌的平板对峙实验,还发现该菌株对西瓜和黄瓜枯萎病病原菌有良好的抑制作用,由此说明,本申请的TB2菌株有良好的耐盐碱特性,在盐碱地上仍对植物有促生作用,是一株性状优良的生防菌株,该菌株在制备盐碱地改良剂、生物有机肥、生物农药等领域都有很好的应用。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明的保护范围应以所附权利要求为准。
Claims (7)
1.短密木霉菌(Trichoderma brevicompactum)菌株TB2,其保藏编号为CCTCC NO:M20231913。
2.包含权利要求1所述短密木霉菌(Trichoderma brevicompactum)菌株TB2的菌剂。
3. 如权利要求1所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或如权利要求2所述菌剂在抑制黄瓜枯萎病病原菌(Fusarium oxysporum f.sp.cucumerinum)和西瓜枯萎病病原菌(Fusarium oxysporum f. sp. niveum)生长中的应用。
4. 如权利要求1所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或如权利要求2所述菌剂在促进梨树生长中的应用。
5. 如权利要求1所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或如权利要求2所述菌剂在制备生物肥料或生物农药中的应用。
6. 应用如权利要求1所述短密木霉菌(Trichoderma brevicompactum)菌株TB2或如权利要求2所述菌剂促进梨树生长的方法,其特征在于,所述方法为:将菌株TB2的孢子制备成悬浮液,然后将该悬浮液对栽培好的梨树进行灌根处理。
7.根据权利要求6所述的方法,其特征在于,所述悬浮液的孢子浓度为107cfu/ml。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311753128.0A CN117431166B (zh) | 2023-12-20 | 2023-12-20 | 短密木霉菌新菌株tb2及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311753128.0A CN117431166B (zh) | 2023-12-20 | 2023-12-20 | 短密木霉菌新菌株tb2及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN117431166A CN117431166A (zh) | 2024-01-23 |
CN117431166B true CN117431166B (zh) | 2024-02-23 |
Family
ID=89548365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311753128.0A Active CN117431166B (zh) | 2023-12-20 | 2023-12-20 | 短密木霉菌新菌株tb2及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117431166B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105462858A (zh) * | 2016-01-04 | 2016-04-06 | 北京市农林科学院 | 一株短密木霉及其在黄瓜枯萎病防治中的应用 |
CN108315267A (zh) * | 2018-04-13 | 2018-07-24 | 甘肃省农业科学院植物保护研究所 | 短密木霉gsaamlshu-1及其应用 |
CN109182146A (zh) * | 2018-09-29 | 2019-01-11 | 武汉友芹种苗技术有限公司 | 一种脐孢木霉菌株及其应用 |
WO2023154183A1 (en) * | 2022-02-09 | 2023-08-17 | Jeffrey Robbins | Composition including effervescent agents, biostimulant, nutrient, and pesticide |
-
2023
- 2023-12-20 CN CN202311753128.0A patent/CN117431166B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105462858A (zh) * | 2016-01-04 | 2016-04-06 | 北京市农林科学院 | 一株短密木霉及其在黄瓜枯萎病防治中的应用 |
CN108315267A (zh) * | 2018-04-13 | 2018-07-24 | 甘肃省农业科学院植物保护研究所 | 短密木霉gsaamlshu-1及其应用 |
CN109182146A (zh) * | 2018-09-29 | 2019-01-11 | 武汉友芹种苗技术有限公司 | 一种脐孢木霉菌株及其应用 |
WO2023154183A1 (en) * | 2022-02-09 | 2023-08-17 | Jeffrey Robbins | Composition including effervescent agents, biostimulant, nutrient, and pesticide |
Non-Patent Citations (4)
Title |
---|
The potential of Trichoderma brevicompactum for controlling root rot on Atractylodes macrocephala;Xing Ge Huang et al.;《Canadian Journal of Plant Pathology》;20210621;第43卷(第6期);794–802 * |
一株防治香蕉枯萎病的短密木霉筛选及代谢物木霉素作用评价;姚遐俊 等;《生物工程学报》;20230530;1-23 * |
短密木霉新菌株BF06对黄瓜土传病害的防治效果与促生作用(英文);李进一 等;《中国生物防治学报》;20180608;第34卷(第3期);449-460 * |
短密木霉菌株GAS1-1的分离鉴定、拮抗作用及其生物学特性;郭成 等;《植物保护学报》;20190415;第46卷(第2期);305-312 * |
Also Published As
Publication number | Publication date |
---|---|
CN117431166A (zh) | 2024-01-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107446847B (zh) | 一株贝莱斯芽孢杆菌gt11及其应用 | |
CN111117910B (zh) | 一株路德维希肠杆菌pn6及其应用 | |
CN105964680B (zh) | 一种滨海盐碱地连作棉花土壤生态修复剂及其制备方法与应用 | |
CN112877221B (zh) | 一种寡雄腐霉石墨烯类材料复合生防制剂及其制备方法 | |
CN112342173B (zh) | 贝莱斯芽孢杆菌及其应用 | |
CN103074272A (zh) | 一种甲基营养型芽孢杆菌(Bacillus methylotrophicus)三炬-04及其应用 | |
CN113755382A (zh) | 一株阿氏芽孢杆菌ndfy-1及其应用 | |
CN116622581A (zh) | 一种贝莱斯芽孢杆菌hm-3及其应用 | |
CN107338056B (zh) | 一种绿色微生物土壤改良剂及其制备方法 | |
CN114806928A (zh) | 一种辣椒内生贝莱斯芽孢杆菌peb23及其应用 | |
CN110468080A (zh) | 促生水稻与降镉的微生物菌剂及其制备方法和使用方法 | |
CN106434490A (zh) | 人参防病促生细菌ty15‑2及其应用 | |
CN110791459B (zh) | 一株用于防控连作百合土传枯萎病的枯草芽孢杆菌及其应用 | |
CN111363691B (zh) | 一株多粘类芽孢杆菌及其应用 | |
CN105754900B (zh) | 一株促作物抗干旱的欧文氏菌新种及其应用 | |
CN105132332B (zh) | 一株葡糖醋杆菌及其作为植物促生菌的应用 | |
CN108841752B (zh) | 巨大芽孢杆菌bm22及其芽孢液体制剂在防治仙客来黑根病中的应用 | |
CN113999778B (zh) | 一种深绿木霉微菌核及其制剂的制备方法和应用 | |
CN105462882A (zh) | 一种用于防治作物黄萎病的铜绿假单胞菌及其应用 | |
CN117431166B (zh) | 短密木霉菌新菌株tb2及其应用 | |
CN113322206B (zh) | 一种含贝莱斯芽孢杆菌suno-18s-36的菌剂及其应用 | |
CN115651846A (zh) | 一种木霉菌剂、生物有机肥及其制备方法及应用 | |
CN111909863B (zh) | 一株解淀粉芽孢杆菌及其用途 | |
CN110564647B (zh) | 一株促进再生稻腋芽萌发生长的解淀粉芽胞杆菌及其应用 | |
CN113897316A (zh) | 地衣芽孢杆菌BLc06及其制备的功能型瓜果育苗生物基质和应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |