182results about How to "Reduce morbidity" patented technology

The invention relates to bacillus velezensis SMB1 and application thereof in prevention and treatment of plant diseases, and belongs to the technical field of biological prevention and treatment of plant diseases. The strain is preserved in the China Center for Type Culture Collection on November 27, 2024, the preservation address is Luojia mountain, Luojia mountain, eight road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is CCTCC NO: M20242647. The bacillus velezensis SMB1 provided by the invention has a remarkable bacteriostatic effect on plant pathogenic fungi, plant pathogenic oomycetes, plant pathogenic bacteria and animal pathogenic bacteria, has an extremely good broad-spectrum bacteriostatic function, has a great application potential in biological control of plant diseases, can reduce the use of chemical pesticides, and has a good application prospect. The pesticide residue in agricultural products is reduced, the environment is protected, and the urgent demand on pollution-free agricultural product production at present is met.

The invention discloses a gene for enhancing gray mold resistance of strawberry fruits and application of the gene, and belongs to the technical field of gene engineering. The nucleotide sequence of the gene disclosed by the invention is as shown in SEQ ID NO.7. The invention provides the gene for enhancing the gray mold resistance of the strawberry fruit, the gene is introduced into the strawberry body to realize stable overexpression, the gray mold resistance of the strawberry fruit is obviously enhanced, the gene has no influence on the quality of the strawberry fruit, and a new gene resource and a theoretical support are provided for breeding of strawberry varieties with high gray mold resistance.

The invention belongs to the technical field of biological organic fertilizer production, and particularly relates to a multifunctional biological organic fertilizer for enhancing soil microbial activity and a preparation method thereof. The multifunctional biological organic fertilizer for enhancing soil microbial activity is prepared from the following raw materials in parts by mass: 40-60 parts of an organic fertilizer base material, 10-15 parts of a plant extract, 3-6 parts of modified nano-hydroxyapatite, 2-6 parts of a compound fermentation inoculant and 2-5 parts of a surfactant, the multifunctional biological organic fertilizer can improve secondary salinization greenhouse soil, increase the content of organic matters, reduce the morbidity of tomato soil-borne diseases, and increase the fruit number of a single plant, the weight of a single fruit and the acre yield of tomatoes.

The invention provides a primer probe combination for simultaneously detecting different serotypes of aviadenoviruses, a kit and application. The different serotypes of aviadenoviruses comprise C4 type, E8a type, E8b type and D11 type. Wherein the sequences of the primer probes for the C4 type fowl adenovirus are respectively shown as SEQ ID NO.1-3, the sequences of the primer probes for the E8a type fowl adenovirus are respectively shown as SEQ ID NO.4-6, the sequences of the primer probes for the E8b type fowl adenovirus are respectively shown as SEQ ID NO.4-5 and SEQ ID NO.7, and the sequences of the primer probes for the D11 type fowl adenovirus are respectively shown as SEQ ID NO.8-10. The kit can be used for quickly and accurately detecting multiple serotypes of the fowl adenovirus, and is high in specificity and good in repeatability. In addition, only about one hour is needed for completing one-time sample detection and result interpretation, and the detection cost can be controlled to be 1-3 yuan / sample.

The invention discloses an application of a streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet in preparation of a product for treating adenoid body inflammation. The preservation number of the streptococcus salivarius subsp. Thermophilus Biohalo 23 is DSM34540; the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet disclosed by the invention can be used for relieving the disease symptom of adenoid body inflammation and reducing the incidence rate of adenoid body inflammation, so that the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet disclosed by the invention has a remarkable curative effect on adenoid body inflammation, and particularly, through clinical tests, the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet has a remarkable curative effect on adenoid body inflammation. The streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet disclosed by the invention can be used for remarkably improving symptoms such as tachypnea, mouth breathing, snoring, cough, nasal obstruction, hearing loss and the like, and also can be used for reducing the incidence rate of adenoid body inflammation, so that the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet disclosed by the invention can be used for treating the adenoid body inflammation.

The invention belongs to the technical field of biology, and provides enterococcus faecalis, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.29087. The enterococcus faecalis is characterized in that the enterococcus faecalis can secrete bacteriocin for inhibiting vibrio parahaemolyticus, staphylococcus aureus and escherichia coli. The invention also provides the enterococcus faecalis and application thereof in an aquatic product fermented feed and a laying hen premix, and the enterococcus faecalis can effectively improve the utilization rate of the feed and the growth and production performance of animals.

The invention provides a potentilla fruticosa extract for preventing and treating ovarian function decline as well as a preparation method and application of the potentilla fruticosa extract, and belongs to the field of traditional Chinese medicines. The preparation method comprises the following steps: crushing the potentilla fruticosa, adding an ethanol water solution, extracting, refluxing, filtering, and removing ethanol and water from filtrate to obtain a potentilla fruticosa crude extract; extracting the crude extract with petroleum ether, and removing the petroleum ether to obtain a refined product of the potentilla fruticosa; and carrying out spray drying on the refined product to obtain the potentilla fruticosa extract. The extract prepared by the method is stable in physical property, easy to store and transport, simple in preparation process and convenient to operate; meanwhile, in the production process, no 1-3 types of organic solvents are used, so that the method is green, environment-friendly and good in safety. The potentilla fruticosa extract has a good effect of preventing and treating ovarian function decline.

The invention provides a plasmodiophora brassicae effector Pb78, and the nucleotide sequence of the plasmodiophora brassicae effector Pb78 is shown The invention also provides an application of host-induced silencing of the plasmodiophora brassicae effector Pb78 in prevention and treatment of plasmodiophora brassicae infection, and also provides a plasmodiophora brassicae prevention and treatment liquid and a preparation method of the plasmodiophora brassicae prevention and treatment liquid. The invention verifies that host-induced plasmodiophora brassicae effector Pb78 silencing can effectively inhibit plasmodiophora brassicae infection and symptom formation of cruciferae plants. The preparation and the treatment method disclosed by the invention are suitable for various cruciferae crops and vegetables which can be infected by plasmodiophora brassicae, and are wider in applicability; the inhibition efficiency on clubroot is higher than that of medicament treatment, and the compound has the advantage of no pesticide residue and is high in safety; due to the adoption of a seed treatment mode, the method is particularly suitable for preventing and treating clubroot susceptible seedlings.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a fermentation substrate for bacillus, a bacillus liquid fermentation inoculant and application. The fermentation substrate is prepared by adding traditional Chinese medicine residues into a yeast culture medium so as to improve the concentration of bacillus after fermentation; the traditional Chinese medicine residues are prepared by compounding motherwort herb residues, astragalus membranaceus herb residues and ginseng herb residues according to the mass ratio of 1: (1-2): (1-1.5); the mass ratio of the yeast culture medium to the traditional Chinese medicine residues is (20-26): (6-8). The concentration of the bacillus can reach 3.3 * 10 < 9 > CFU / mL in a bacillus liquid fermentation inoculant obtained by adopting the fermentation substrate disclosed by the invention.

The invention discloses a tuberculosis onset risk assessment method and model, and relates to the technical field of medicines.The tuberculosis onset risk assessment method comprises the steps that tuberculosis epidemiological investigation is conducted, and the tuberculosis epidemiological investigation comprises collecting questionnaire data through screening infection detection, chest digital X-ray imaging and laboratory examination; based on the collected questionnaire data, in combination with the basic information, contact history, symptom expression and infection detection result of the investigated person, a primary database of tuberculosis risk assessment is constructed for the latent tuberculosis infected person. According to the tuberculosis onset risk assessment method and model provided by the invention, various epidemiological survey data, individual basic information, contact history, symptom expression and laboratory detection results are integrated, so that the tuberculosis onset risk of a latent infected person can be assessed more comprehensively and accurately, and misdiagnosis and missed diagnosis conditions are reduced; based on an accurate risk assessment result, high-risk crowds are identified more effectively, and corresponding prevention and control measures are taken.

The invention discloses a strain of Pseudomonas sp., which is named as Pseudomonas sp. CY58, is preserved in China Center for Culture Collection on September 27, 2024, and has a preservation number of CCTCC (China Center for Type Culture Collection) NO: M 20242104. The invention also discloses a method for preparing the Pseudomonas sp. The invention also discloses a microbial agent containing the Pseudomonas sp. CY58 as well as a preparation method and application of the microbial agent. The microbial agent containing the Pseudomonas sp. CY58 or the fermentation broth thereof disclosed by the invention can effectively prevent and treat tea anthracnose, pepper anthracnose, apple anthracnose and sorghum anthracnose, obviously slows down the plant disease condition, has a good prevention and treatment effect, especially has the best prevention and treatment effect on pepper anthracnose, and has a good application prospect. A new direction is found for preventing and treating the plant anthracnose.

The invention provides bacillus atrophaeus LYZ1127, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum. The preservation number of the bacillus atrophaeus LYZ1127 is CGMCC (China General Microbiological Culture Collection Center) No.31718, the preservation number of the bacillus atrophaeus LYZ1127 is CGMCC No.31718, and the preservation number of the biocontrol microbial inoculum is CGMCC No.31718. The bacillus atrophaeus LYZ1127 has relatively good bacteriostatic activity on 11 pathogenic bacteria of six common diseases of alfalfa and verticillium dahliae (separated from oxytropis aureocauda plants) belonging to the same genus and different species with verticillium wilt of alfalfa, and pot experiment shows that the bacillus atrophaeus LYZ1127 can promote the growth of alfalfa root systems and plants, can also remarkably reduce the incidence rate of verticillium wilt of alfalfa, and can be applied to the field of agricultural chemical engineering, such as agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering and agricultural chemical engineering. The method has a good control effect on the verticillium wilt of the alfalfa, and provides an important theoretical basis for biological control of the verticillium wilt of the alfalfa.

The present invention discloses a strain of Riemerella anatipestifer phage PT15, a phage composition thereof and its application. The phage PT15 has a deposit number of CGMCC No. 22377 and was deposited in the China General Microbiological Culture Collection Center on April 12, 2021. The present application also provides a phage composition comprising the above-mentioned phage. The above-mentioned phage and phage composition can be used as active ingredients for the preparation of therapeutic drugs and feed additives, and are used in the prevention and treatment of duck bacterial serositis. The phage composition has the advantages of safety, high efficiency and non-toxic side effects, and can be used as an active ingredient of a new type of environmental disinfectant to effectively prevent and control the pollution of breeding environment and feeding facilities, and has good application prospects.

The invention discloses a penicillium fungus GS218, a penicillium fungus GS218 conidium suspension and a preparation method and application of the penicillium fungus GS218 conidium suspension. The penicillium fungus GS218 is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC M 20241477, and the penicillium fungus GS218 is separated from fruits of trifoliate orange in a Hunan Institute of Gardening Institute of Hunan Province in the East Lake Street, Hibiscus District, Changsha City, Hunan Province. The penicillium fungus has a relatively good antagonistic effect on HLB13 fusarium buchneri, colletotrichum spinosus, fusarium solani, fusarium oxysporum cucumber specialized type and botrytis cinerea; the composition can be used for effectively preventing and treating carrot diseases caused by HLB13 fusarium brucellosis, pepper anthracnose caused by colletotrichum spinosus, pepper root rot caused by fusarium solani, cucumber fusarium wilt caused by fusarium oxysporum cucumber specialization and botrytis cinerea caused by botrytis cinerea, and has remarkable and stable technical effects; the method has wide application value in the technical field of microbial strain application.

The invention discloses a dynamic diffusion optical tomography method and device based on ultrasonic position prior, equipment and a medium, and relates to the technical field of image processing, and the method comprises the steps: obtaining a to-be-reconstructed breast image and an ultrasonic image which are collected and preprocessed when a to-be-detected breast is under preset pressure; calculating a weight matrix of a mathematical model constructed based on the to-be-reconstructed breast image according to the breast morphology parameters in the ultrasonic image, and solving a detector data matrix of the mathematical model by using the to-be-reconstructed breast image; and based on a detector data matrix solving result and a weight matrix calculation result of the mathematical model, solving an optical absorption coefficient matrix in the mammary tissue in the mathematical model by using focus space position information representing a mammary tissue focus area in the ultrasonic image to obtain optical characteristic information in the mammary tissue. And obtaining a reconstructed breast image based on a post-processing result of the optical characteristic information. According to the invention, the accuracy and resolution of optical imaging are improved.

The invention belongs to the field of microorganisms, and relates to a fungus F67 and application thereof, the fungus F67 is Lecanicillium saksenae, the fungus F67 is submitted to CGMCC (China General Microbiological Culture Collection Center) on October 9, 2024 and is preserved, and the preservation number is NO.41531. The invention further discloses a preparation method of the fungus F67. The invention provides a fungus F67 capable of effectively constructing a rhizosphere biological barrier system, promoting healthy growth of tobacco plants and providing theoretical support for green prevention and control of tobacco rhizome diseases, and application of the fungus F67.

The invention discloses a microbial agent for preventing and treating tomato bacterial wilt and a prevention and treatment method, and belongs to the technical field of plant disease prevention and treatment. According to the microbial agent for preventing and treating tomato bacterial wilt and the prevention and treatment method, the morbidity of the bacterial wilt can be remarkably reduced, and the microbial agent has a good application prospect in agricultural production. Compared with chemical pesticides, the biological prevention and control method provided by the invention has small influence on the environment and is a more environment-friendly prevention and control means.

The invention provides a comprehensive prevention and control method for a rice kernel smut disease. The method comprises the steps of seed treatment, crop rotation and deep ploughing, scientific fertilization and irrigation, rational close planting and flowering phase management, field disease monitoring and early warning, biological prevention and control, diseased plant treatment and the like. Seeds are selected by saline water and treated by various disinfectants, so that the health of the seeds is ensured; crop rotation for more than two years and deep ploughing and field drying in winter are performed to reduce accumulation of pathogenic bacteria; reasonable fertilization is performed according to a soil fertility detection result, field humidity is controlled, and diseases are reduced; the planting density and flowering period management are optimized, and the seed production success rate is increased; disease risks are monitored in real time through a disease and pest monitoring and early warning system, the disease trend is predicted through big data analysis and an artificial intelligence algorithm, and early warning information is issued in time; a beneficial microbial community is formed in the field by using a biocontrol inoculant, and growth of pathogenic bacteria is inhibited; diseased plants are removed at fixed points through a small agricultural machine, and disease diffusion is prevented.

The invention provides a livestock and poultry breeding medicine atomization device, and belongs to the technical field of atomization devices.The livestock and poultry breeding medicine atomization device comprises an installation support, a water tank, a booster pump, a pipeline and a sprayer, the sprayer comprises an atomization pipe, a nozzle, a water inlet connector, a water outlet connector and a fixing frame, and the livestock and poultry breeding medicine atomization device is characterized by further comprising a flow stabilizing mechanism, an adjusting mechanism and a rotating mechanism; through the arrangement of the flow stabilizing mechanism, when the pipeline leaks water and releases pressure due to cracks caused by aging or other factors, the impact force of water flow is reduced, the first elastic piece elastically resets, the bottoms of the elastic plate and the movable plate integrally move in the direction away from the inner wall of the connecting ring, the cross section is reduced, and therefore the flow speed of liquid is increased; the liquid flow rate is kept stable, uneven fog drops formed by spraying liquid when the flow rate is too low are avoided, and the spraying uniformity is improved.

The invention discloses a closed drying and fresh air fermentation combined type cow dung treatment system, the cow dung treatment system comprises cow dung drying equipment and cow dung fermentation equipment, the cow dung drying equipment dries cow dung through hot air drying, and wet and hot air in the cow dung drying equipment circulates through a closed drying system; the closed drying system comprises a dust removal device, a heat exchange device and a heat pump device; the heat exchange device is further connected with a fresh air circulation system. The fresh air circulation system comprises a fresh air supply device, a return air adjusting device and an exhaust air adjusting device. The cow dung fermentation equipment is used for fermenting cow dung by using the fresh air treated by the fresh air circulation system. According to the cow dung treatment system, energy of all parts is fully utilized, and energy input and consumption are reduced to the maximum extent. The cow dung treated by the system is used as bedding for the cow in bed, so that the mastitis morbidity of the cow can be effectively reduced, and the milk yield of the cow is improved.

The invention discloses an ecological prevention and control method for tomato bacterial wilt based on a multi-nutritional-level food web and application of the ecological prevention and control method, and belongs to the technical field of crop disease prevention and control. According to the ecological prevention and control method for tomato bacterial wilt provided by the invention, indigenous dominant heterophagous nematodes and bacterial-feeding nematodes which are widely distributed in soil are introduced, so that the structure of a food web of the soil is adjusted, and the natural inhibition effect of tomatoes on the bacterial wilt is enhanced; the ecological balance of soil is improved, the activity of beneficial microorganisms is increased, field planting of ralstonia solanacearum at rhizosphere is inhibited, and the plant morbidity is remarkably reduced; further, healthy growth and biomass accumulation of the tomatoes are facilitated, and the plant height and the dry weight of the overground part of the plants are remarkably increased; the provided control method is simple and convenient to operate, wide in application range and easy to implement, does not depend on chemicals, reduces environmental pollution and potential food safety hazards, and has wide popularization value.

The invention provides a use of betaine in the prevention of the occurrence of an ASD (autism spectrum disorder), in particular to a use of betaine in the prevention of the occurrence of ASD. Specifically, the invention provides application of betaine or pharmaceutically acceptable salts, stereoisomers, tautomers, nitrogen oxides, solvates, metabolites or prodrugs thereof in preparation of drugs, and the drugs are used for preventing ASD, optimizing fetal neurodevelopment or reducing the risk of fetal neurodevelopment disorder. According to the present invention, the betaine or the pharmaceutically acceptable salt, the stereoisomer, the tautomer, the nitrogen oxide, the solvate, the metabolite or the prodrug thereof is adopted as the active component, such that ASD can be effectively prevented, fetal neurodevelopment can be optimized, or the risk of fetal neurodevelopment disorder can be reduced.

According to the probiotic composition and the application of the probiotic composition in preparation of products for preventing and treating vagina inflammation, the probiotic composition composed of lactobacillus gasseri B13.52 and lactobacillus mucus B14.46 screened from vaginal secretion of healthy women can effectively inhibit growth of escherichia coli, gardnerella and prevotella; the secretion of proinflammatory factors in vaginal epithelial cells can be obviously reduced, so that an anti-inflammatory effect is achieved.

The invention discloses a lung disease diagnosis and grading method based on quantitative CT image omics and deep learning. According to the method, through multi-dimensional information integration and model optimization, two core tasks of disease judgment and disease condition grading can be completed at the same time, and comprehensive support is provided for clinical diagnosis and treatment. The model sets feature priorities by referring to clinical diagnosis logic in the training process, the judgment result and the grading standard are completely matched with clinical general specifications, and the model can be directly applied to diagnosis and treatment decision-making without secondary conversion of doctors. After multi-center clinical verification and iterative optimization, the stability and the accuracy of the model are fully guaranteed, subjective errors caused by manual film reading can be effectively reduced, the diagnosis efficiency can be improved, the chronic obstructive pulmonary disease screening capability of primary medical institutions can be remarkably improved, early diagnosis and early treatment of more patients can be helped, and the clinical application prospect is wide. Therefore, the morbidity and disability rate of diseases are reduced, a clinical management path is optimized, and the overall disease burden is relieved.

The invention discloses an application of a streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet in preparation of a product for treating otitis media. The preservation number of the streptococcus salivarius subsp. Thermophilus Biohalo 23 is DSM34540; the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet can relieve the disease symptoms of otitis media and reduce the morbidity of the otitis media, has a remarkable curative effect on the otitis media, and particularly, through clinical tests, the number of diseases of infants can be remarkably reduced, the morbidity of the infants can be reduced, middle ear effusion can be improved, and the curative effect of the infants on the otitis media can be improved. Therefore, the streptococcus salivarius subsp. Thermophilus Biohalo 23 tablet disclosed by the invention can be used for treating the otitis media.

The invention discloses a traditional Chinese veterinary medicine composition for preventing and treating respiratory diseases of newborn calves in northern cold regions, and belongs to the technical field of traditional Chinese veterinary medicines. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 16-24 parts of cassia twig, 16-24 parts of raw radix paeoniae alba, 8-12 parts of honeysuckle, 8-12 parts of dandelion, 8-12 parts of burdock, 8-12 parts of divaricate saposhnikovia root, 3-7 parts of honey and 3-7 parts of liquorice. The traditional Chinese veterinary medicine composition prepared in the embodiment 1 is used for feeding newborn calves to prevent respiratory diseases, and the morbidity can be reduced by 40%. When the traditional Chinese veterinary medicine composition is used for treating respiratory diseases of newborn calves, compared with a treatment group independently using ceftiofur sodium, the cure rate is improved by 13.6%, and the cure time is shortened by 36.24 h.

The application discloses a kind of complex microbial flora and method for preventing and treating plant bacterial wilt, the complex microbial flora includes two or three of 16S rDNA sequence as shown in SEQ ID NO:1 Pseudomonas chlororaphis, 16S rDNA sequence as shown in SEQ ID NO:2 Pseudomonas koreensis and 16S rDNA sequence as shown in SEQ ID NO:3 Bacillus velezensis.The application finds that Pseudomonas chlororaphis, Pseudomonas koreensis, Bacillus velezensis all have the effect of inhibiting the growth of Ralstonia solanacearum, especially the complex microbial flora composed of Pseudomonas chlororaphis, Pseudomonas koreensis and Bacillus velezensis, can significantly delay the onset time of pepper bacterial wilt, significantly inhibit the growth of Ralstonia solanacearum, reduce the incidence of pepper bacterial wilt, reduce disease index, and can be used for effective prevention and treatment of potato, tomato, eggplant, pepper and other crops bacterial wilt.

The application discloses a kind of fermented feed fermented by three strains of probiotics of Bacillus YA ( Bacillus sp ), yeast Y ( Saccharomyces cerevisiae ) and capsular red bacteria R3 ( Rhodobacter capsulatus ), and preparation method and application in aquaculture thereof, and viable count is not less than 1×10 7 CFU / g.The fermented feed is replaced ordinary feed according to certain proportion, and feeding result shows that aquaculture water quality is significantly improved after adding fermented feed, and fish growth performance, digestive enzyme activity, immunity, and muscle quality are also obviously improved.Using the feed in suitable range can shorten growth cycle, reduce cost, improve aquaculture environment, reduce antibiotic use, and improve muscle quality of farmed animals, with good economic and ecological benefits, simple fermentation process, low cost, and suitable for industrial large-scale production.

The present invention discloses an anti-nasal allergy gel, which comprises the following components in parts by weight: 0.1-2 parts of cellulose; 0.05-1 parts of chitosan salt or chitosan derivative; 0.1-0.2 parts of potassium sorbate or sodium sorbate; 0.8-0.9 parts of sea salt; 0.1-0.5 parts of xylitol, and 100 parts of deionized water; the chitosan salt is a substance shown in formula (1), wherein R is CI-, COO- or HSO4-, x and n are natural numbers, 0<x≤107, 102≤n≤107. Compared with the prior art, the present invention has the following advantages: the anti-nasal allergy gel can form a protective layer on the surface of the nasal mucosa, reduce and block dust, pathogens and other external irritants from direct contact with the nasal mucosa, and is used for daily health care of patients with nasal discomfort caused by various allergies or prone to allergic rhinitis, and can effectively reduce and prevent the incidence of allergic rhinitis.

The invention belongs to the technical field of strawberry biocontrol, and relates to application of chaetomium aureum JSNL-B47 in prevention and treatment of strawberry gray mold. The preservation number of the chaetomium aureum JSNL-B47 is CGMCC (China General Microbiological Culture Collection Center) NO. 40437. According to the present invention, the flat plate confrontation inhibition rate of the bacterial strain on Botrytis cinerea can achieve 67.94%, the extracellular metabolite inhibition rate can achieve 69.58%, strawberry resistance can be induced, and the scab inhibition rate can achieve 82.26%; the invention also provides a biocontrol inoculant containing hyphae, spores or secondary metabolites of the strain and a preparation method of the biocontrol inoculant. The biocontrol bacterium and the preparation thereof provided by the invention can significantly reduce the occurrence of strawberry gray mold, reduce the use of chemical pesticides, and are suitable for green agriculture.