322 results about "Siderophore" patented technology

The invention relates to the field of microorganisms, in particular to a mortierella alpina strain MA with a plant growth promoting function and application of the mortierella alpina strain MA. The strain has remarkable nitrogen fixation, siderophore production, auxin (IAA) production and cellulase activity, can inhibit various soil-borne pathogenic bacteria such as phytophthora capsici and fusarium, and remarkably improves the disease resistance and growth performance of crops such as pepper. The strain has various functions and broad-spectrum action, is suitable for replacing part of chemical fertilizers and pesticides in intensive agriculture, and realizes green and efficient planting of crops.

The invention provides a Kitasatospora xanthophycea JY01 strain and application thereof, the strain is separated from intestinal tracts of spring silkworms, has good disease-resistant and growth-promoting effects, and is specifically expressed in that cellulase, beta-1, 3-glucanase, siderophore and auxin IAA can be secreted; pot experiments show that the biocontrol efficiency of the microbial inoculum to wheat stalk rot is 57.90%, the biocontrol efficiency of the microbial inoculum to corn stalk rot is 46.41%, and the plant height and fresh weight are both significantly increased. The microbial agent is expected to be applied to preparation of biological bacterial fertilizer for effectively preventing and controlling soil-borne fungal diseases.

Burkholderia, and a composition, use and usage method thereof. Provided are the Burkholderia, and a composition comprising the strain and / or a metabolite, culture, fermentation broth and / or extract thereof. The Burkholderia or the composition thereof can generate a siderophore, induce plants or seeds thereof to generate systemic resistance to plant pathogens, and reduce the chemotaxis of plant pathogens to plants, so that prevention and treatment of plant diseases and insect pests are achieved. In addition, plant root system development can be promoted, a nitrogen fixation effect is provided, a phosphate solubilization effect is provided, indoleacetic acid is generated, and weeds are removed, thereby promoting plant growth.

The invention discloses a Burkholderia sp. Strain and an application thereof in prevention and treatment of eucalyptus blight. The Burkholderia sp. AS-SF-1 disclosed by the invention has the preservation number of GDMCC (Graphical December Microorganism Center) No. 66223; the culture and volatile matter of the strain can inhibit growth of various forest pathogenic bacteria, the eucalyptus has a remarkable control effect on branch blight, siderophore can be generated, absorption and utilization of iron can be promoted, various types of carbon sources or nitrogen sources can be utilized, and the strain can grow within the pH range of 4-9. The burkholderia sp. AS-SF-1 disclosed by the invention has an important application value on planting of eucalyptus and prevention of diseases.

The invention discloses talaromyces purpurogenum as well as a fermented supernatant and application thereof. The preservation number of the talaromyces purpureogenus F-4 is CCTCC NO: M 20252023, and the talaromyces purpureogenus F-4 has the growth promoting effects of dissolving phosphorus, fixing nitrogen and generating siderophores, also has the disease preventing and treating effects of preventing and treating garlic root rot, potato scab and wheat stem rot, and also can resist salt stress, alkali stress, salt-alkali composite stress, heavy metal stress and osmotic pressure stress. The fermentation supernatant of the talaromyces purpureus F-4 can be used for inhibiting the growth of fusarium solani spores, streptomyces botrytis spores and fusarium pseudograminearum and the germination of the spores of the fusarium solani, the streptomyces botrytis and the fusarium pseudograminearum. The talaromyces purpurogenus and the fermented supernatant thereof can effectively control the growth and reproduction of plant pathogens, reduce the risk of disease occurrence, reduce the dependence on chemical pesticides, and reduce the risk of environmental pollution and agricultural product residues, and have important significance for promoting the sustainable development of agriculture.

The invention provides bacillus subtilis KC-1 as well as a composition and application thereof, and belongs to the technical field of microorganisms. The preservation number of the bacillus subtilis KC-1 is CGMCC (China General Microbiological Culture Collection Center) No.35237. The bacillus subtilis KC-1 can secrete IAA, has nitrogen fixation capacity and can generate siderophores. The bacillus subtilis KC-1 and whey protein are used as a composition, and the bacillus subtilis KC-1 and the whey protein jointly act to prepare the seed treatment material, so that a synergistic effect can be achieved, and corn seed germination and seedling root development are remarkably promoted. Experiments show that compared with single use of the whey protein and the bacillus subtilis KC-1, the combined use of the whey protein and the bacillus subtilis KC-1 can significantly improve the seed germination rate, the length of buds on the overground part, the length of main roots on the underground part, the total root volume, the total root surface area, the total root length and the seedling auxin concentration, and also can significantly reduce the concentration of abscisic acid in seedlings, so that the survival rate of the seedlings is improved. The germination of seeds and the growth of seedlings under drought conditions are promoted, and the drought resistance of plants is improved.

The invention discloses a sporosarcina sp. Strain RH34 and an application of the sporosarcina sp. Strain RH34 and the application of the sporosarcina sp. Strain RH34. The sporosarcina strain RH34 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33199. The sporosarcina strain RH34 can be used for preparing the sporosarcina strain RH34. The alfalfa rhizosphere microorganism sporosarcina strain RH34 is separated from alfalfa roots in salinized soil, and has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing biological membranes, producing siderophores, producing IAA and producing ACC deaminase. Seed soaking and germination under salt stress can obviously improve the germination index of alfalfa seeds. The growth condition of alfalfa seedlings can be improved under salt stress.

The invention belongs to the technical field of microorganisms, and discloses a brevibacterium coldtolerant strain TRM86011 and application of the brevibacterium coldtolerant strain TRM86011. The invention provides a strain of cold-resistant brevibacterium which is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 2023038. The strain has the ability to grow in a saline-alkali environment, and can also produce siderophore, IAA and other agricultural growth-promoting beneficial components. Through verification, the brevibacterium coldtolerant can promote growth of wheat, corn, cotton and tomatoes in a salt stress environment, and plant growth limitation caused by salt stress is reduced. On the basis, the brevibacterium coldtolerant has a good application prospect in preparation of microbial fertilizers or microbial agents suitable for saline-alkali areas and the like.

The invention provides a trichoderma maple fungicide, a microbial granular fertilizer as well as a preparation method and application of the trichoderma maple fungicide and the microbial granular fertilizer, and relates to the field of microorganisms. The acer rubrum fungicide contains acer rubrum RA with the preservation number of CGMCC No.35889. The acer rubrum fungicide has the capability of decomposing inorganic phosphorus, is wide in phosphorus dissolving range, can decompose tricalcium phosphate, ferric phosphate and aluminum phosphate, and particularly still has the very strong capability of decomposing the inorganic phosphorus under the low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases. The microbial granular fertilizer provided by the invention contains various biostimulant substances, can promote crop growth, improve plant stress resistance and improve plant resistance to plant diseases and insect pests, and field tests prove that the microbial granular fertilizer can significantly promote crop growth and improve crop yield.

The invention provides a moniliella malayi and a fungicide and application thereof, and relates to the field of microorganisms. The acer rubrum is specifically acer rubrum RA, and the preservation number of the acer rubrum RA is CGMCC (China General Microbiological Culture Collection Center) No.35889. The acer rubrum RA can be used for preparing the acer rubrum. The strain has the capability of decomposing inorganic phosphorus, is wide in phosphorus-dissolving range, can decompose tricalcium phosphate, iron phosphate and aluminum phosphate, and particularly still has very strong capability of decomposing inorganic phosphorus under a low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases, and can inhibit diseases such as corn root rot, sorghum leaf spot or wheat root rot; the strain can be colonized in a soil environment of 5-40 DEG C, a microbial inoculum prepared from the strain can promote crop growth, the crop yield is remarkably improved, and high yield can be achieved even if the usage amount of phosphate fertilizer is reduced.

The invention belongs to the technical field of microorganisms and biological control, and particularly relates to paenibacillus polymyxa and application thereof in biocontrol and growth promotion. Specifically, a strain of paenibacillus polymyxa GLZ219 is obtained through screening, and experiments prove that the paenibacillus polymyxa GLZ219 has a relatively high bacteriostasis rate on pathogenic bacteria of tomato neck and root rot; meanwhile, the strain has a good antagonistic effect on nine common plant pathogens such as Rhizoctonia solani and the like, and can be widely applied to green prevention and control of various crop diseases. Besides, the paenibacillus polymyxa GLZ219 has nitrogen fixing and potassium dissolving capabilities, can secrete heteroauxin and siderophores, and can effectively promote the growth of tomato plants, the plant height of tomato seedlings treated by fermentation liquor of the paenibacillus polymyxa GLZ219 is remarkably increased, diseases can be prevented and controlled, the growth vigor of crops can be improved, the yield and quality of the crops can be improved, and the paenibacillus polymyxa GLZ219 has a wide application prospect.

The invention discloses a salt-tolerant brevibacillus for promoting growth and preventing and controlling plant diseases and application of the salt-tolerant brevibacillus. The brevibacillus halotolerans T101 is preserved in the Guangdong Microbial Culture Collection Center (GDMCC) on July 23, 2025, and the preservation number of the brevibacillus halotolerans T101 is GDMCC No: 66731. The brevibacillus halotolerans T101 is preserved in the Guangdong Microbial Culture Collection Center (GDMCC) on July 23, 2025. The strain T101 disclosed by the invention can effectively antagonize plant pathogenic fungi peronophythora litchii and plant pathogenic bacteria such as pseudomonas syringae, xanthomonas campestris, citrus canker pathogen and ralstonia solanacearum, can generate siderophores and plant growth hormone IAA, and can remarkably promote the growth of tomato root systems in a pot experiment. Therefore, the strain T101 can be used for preparing microbial preparation products for preventing and treating plant diseases and promoting plant root growth, and has important application potential in the aspects of microbial agents, biological fertilizers and the like for promoting plant growth and development.

The invention discloses bacillus for preventing and treating anthracnose of camellia oleifera and application of the bacillus. The preservation number of the bacillus CH-1-7 provided by the invention is GDMCC (Glucose Digital Microorganism Center) No. 66219; the bacillus amyloliquefaciens has the capability of generating living-promoting substances, can generate organic phosphorus and siderophores, has the nitrogen fixation capability, can inhibit the growth of various pathogenic bacteria, especially colletotrichum gloeosporioides, can be used for preventing and treating camellia oleifera anthracnose, and has important application value in the field of plant protection.

The invention relates to the technical field of industrial microorganisms, and particularly discloses a P.megatherium HHY-1, a microbial agent thereof and application of the P.megatherium HHY-1. The preservation number of the P.megaterium HHY-1 is CGMCC (China General Microbiological Culture Collection Center) No.34470, and the preservation number of the P.megaterium HHY-1 is CGMCC No.34470. The P.megatherium provided by the invention has multiple functions of nitrogen fixation, phosphorus solubilization, siderophore production, IAA production capacity, antioxidant enzyme activity and the like, can play a comprehensive role from multiple dimensions of nutrition supply, growth regulation, stress resistance protection and the like, effectively assists good growth of the Abajie wheat 19 in a saline-alkali environment, and has a good application prospect. The method has great significance in improving the yield of the drought alkaline wheat in the saline-alkali soil and promoting agricultural sustainable development, and shows extremely high practical value in the aspect of growth promotion of the drought alkaline wheat Gie wheat 19.

The invention discloses a Klebsiella Michaeli MX-56 strain and application thereof, and belongs to the technical field of biological agriculture. The Klebsiella michelianensis MX-56 disclosed by the invention is preserved in the Guangdong Microbial Culture Collection Center, the preservation number is GDMCC No: 66361, the preservation time is May 19, 2025, and the preservation address is No. 100, Xianlie Middle Road, Guangzhou City. The invention also discloses an application of the Klebsiella michelianensis MX-56 in preparation of a divaricate saposhnikovia root growth promoting agent and a method for promoting growth of divaricate saposhnikovia root by using the Klebsiella michelianensis MX-56. A root irrigation method is adopted to irrigate MX-56 bacterial liquid. The divaricate saposhnikovia root endophytic bacterium Klebsiella michelianensis MX-56 disclosed by the invention has the growth promoting characteristics of fixing nitrogen, dissolving inorganic phosphorus, and secreting IAA (Indoleacetic Acid) and an iron-producing carrier; the strain can be stably colonized in the soil around the divaricate saposhnikovia roots; a good growth promoting effect is achieved on wind prevention.

The invention relates to a streptomyces sp. Strain EC15 and an application of the streptomyces sp. Strain EC15. The streptomyces strain EC15 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33195. The streptomyces strain EC15 has the advantages that the streptomyces strain EC15 can be used for preparing the streptomyces strain EC15; the strain has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing a biological membrane, producing an iron carrier, producing IAA and producing ACC deaminase. The EC15 bacterial liquid is used for soaking seeds under the stress of 200 mmol / L and 250 mmol / L NaCl, so that the germination potential, the germination rate, the germination index, the radicle length, the germ length and the fresh weight of group seedlings of the alfalfa seeds can be obviously improved. After the EC15 strain is inoculated, under the stress of 200 mmol / L NaCl, the plant height, stem diameter, leaf area and overground part fresh and dry weight of alfalfa plants can be obviously improved.

The invention discloses bacillus velezensis B127 and application thereof, the bacillus velezensis is preserved in China Center for Type Microbiological Culture Collection, the preservation number is CCTCC NO: M 20252878, the preservation date is December 15, 2025, the classification name is bacillus velezensis B127, and the preservation address is Wuhan University, Hubei Province. The bacillus velezensis B127 has a remarkable inhibition effect on various tobacco fusarium pathogenic bacteria, has good phosphorus and potassium solubilizing capacity, generates hydrolase related to inhibition of pathogenic bacteria and generates siderophore and indoleacetic acid for promoting plant growth, is a biocontrol bacterium with excellent comprehensive performance, and can be widely applied to the field of biological control. The method has good development and application prospects in the fields of agricultural disease control, soil improvement, microbial fertilizers and the like.

The invention relates to the technical field of microorganisms, in particular to a strain of Senotrophomonas sepilia DB3 with disease-resistant, iron-dissolving and growth-promoting functions and application thereof, and the strain is separated from calcareous soil pear tree rhizosphere and has good capabilities of producing IAA (Indoleacetic Acid), quickly growing, dissolving insoluble iron, producing iron carriers and effectively antagonizing various pathogenic bacteria. Pot experiments show that the DB3 microbial inoculum can significantly promote growth of peanut and pyrus betulaefolia seedlings, improve root development and iron nutrient content, enhance leaf SPAD value and iron absorption and relieve iron-deficiency yellows, can be used for preparing biological bacterial fertilizers and reducing chemical iron fertilizer investment, and has good development and application prospects.

The invention discloses pseudomonas capable of dissolving phosphorus and producing siderophores and application of the pseudomonas, and relates to the technical field of microorganisms. The bacterial strain P-14-21 is identified as a new species of Pseudomonas sp. And is named as Pseudomonas sp. P-14-21, the bacterial strain is preserved in Guangdong Microbial Culture Collection Center on August 7, 2024, and the preservation number is GDMCC No: 64969. The invention also discloses a preparation method of the Pseudomonas sp. P-14-21, and the bacterial strain is named as Pseudomonas sp. P-14-21. The bacterial strain is named as Pseudomonas sp. P-14-21 and is preserved in Guangdong Microbial Culture Collection Center on August 7, 2024. Besides, the pseudomonas P-14-21 disclosed by the invention has the capacity of dissolving organic phosphorus and high-yield siderophore, the phosphorus dissolving index can reach 2.4, and the activity unit (su) of the siderophore can reach 94.41%, so that the strain has excellent development and application values in agricultural production.

The invention provides application of a siderophore-producing strain in preparation of selenium-enriched yeast, and belongs to the technical field of microorganisms. According to the invention, firstly, a siderophore-producing strain is separated from soil, the siderophore-producing strain can efficiently produce siderophores, and the yield of the siderophores reaches 43.7 mu g / mL; studies also find that the siderophore produced by the siderophore-producing strain can improve the tolerance of the saccharomyces cerevisiae to sodium selenite so as to prepare the selenium-enriched yeast, and the intracellular selenium content of the prepared selenium-enriched yeast is relatively high and reaches 3.89 mg / g; the antioxidant capacity of the selenium-enriched yeast is also improved compared with that of yeast cultured without selenium, and the selenium-enriched yeast is expected to serve as a safe and effective organic selenium supplement and has good practicability.

The invention discloses application of cobalamin and beneficial bacteria in prevention and control of tomato soil-borne bacterial wilt. The beneficial bacterium is Chryseobacterium CHR6, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) The invention discloses a synbiotics for preventing and controlling tomato soil-borne bacterial wilt. The synbiotics consist of beneficial bacteria and cobalamin, and the beneficial bacterium is Chryseobacterium CHR6. The invention discloses a method for preventing and controlling tomato soil-borne bacterial wilt by matching cobalamin and beneficial bacteria, which comprises the following steps: 7-10 days after transplanting tomato seedlings, adding synbiotics into soil by a root irrigation method, adding 10-20 mL of cobalamin solution with the concentration of 5-10 nM into each tomato seedling, and inoculating 10-20 mL of beneficial bacteria suspension with the concentration of 1 * 10 < 7 >-1 * 10 < 9 > CFU / mL. By adding cobalamin, inhibition of growth of ralstonia solanacearum through siderophore mediation of Chryseobacterium CHR6 can be remarkably enhanced, and occurrence of tomato soil-borne bacterial wilt is reduced.

The invention belongs to the technical field of microorganisms. The invention relates to a coxakella cocori Kos-10 strain, in particular to a coxakella cocori Kos-10 strain and application thereof. The invention discloses a Cosakya cokei Kos-10 strain which is preserved in the Guangdong Microbial Culture Collection Center on June 5, 2025, and the preservation number of the Cosakya cokei Kos-10 strain is GDMCC (China General Microbiological Culture Collection Center) NO: 66468. The Cosakya cokei Kos-10 strain has been preserved in the Guangdong Microbial Culture Collection Center on June 5, 2025. The strain has the capabilities of fixing nitrogen, dissolving phosphorus, dissolving potassium and producing siderophores, can be used as a growth-promoting bacterium for promoting plant growth, provides nutrient elements of nitrogen, potassium and iron for plants, and also can prevent and treat bacterial wilt of the plants. The Kos-10 strain disclosed by the invention is comprehensive in growth promoting effect, and has a good application prospect and application value in the aspect of promoting plant growth under the stress of bacterial wilt.

The invention discloses a strain of bacillus cereus and application thereof, the strain is preserved in China General Microbiological Culture Collection Center on November 01, 2023, the preservation number is CGMCC No.1. 60180, and the preservation name is bacillus cereus WHY-3969. The invention also discloses a method for preparing the bacillus cereus. When being applied to the field of agricultural biological prevention and control, the strain can form a biological membrane to be stably colonized at the rhizosphere of a plant, and can generate substances such as IAA and siderophores to promote the growth of the plant. Compared with a blank control potted plant, the bacillus cereus suspension has the advantages that the plant height of the cucumber potted plant is increased by 42.21%, the prevention effect of the cucumber fusarium wilt potted plant is as high as 57.18%, and the bacillus cereus suspension is a biocontrol strain with excellent performance and has good development and application prospects.

The invention belongs to the technical field of microorganisms, and discloses saline-alkaline tolerant halomonas and application thereof. The Franzmannia qiaohouensis is separated from rhizosphere soil of broom corn millet in saline-alkali soil, the strain number is STM-122, the preservation number is CGMCC No.36349, the classification status is clear through 16S rRNA (ribosomal ribonucleic acid) gene sequence identification and phylogenetic analysis, and the Franzmannia qiaohouensis has the functions of dissolving phosphorus and producing EPS (expandable polystyrene), auxin and siderophore. Through bacterial suspension seed soaking treatment, the germination potential and germination rate of broom corn millet seeds under saline-alkali stress can be remarkably improved, and the indexes of seedling root length, plant height and the like are promoted to be improved; meanwhile, the invention provides a complete preparation method of the bacterial strain fermented bacterial fertilizer, and the viable count of the obtained fermented bacterial fertilizer is greater than or equal to 1 * 10 < 8 > CFU / g. The method can enrich salt-tolerant microbial resources, and provides technical support for planting broom corn millet and other crops in saline-alkali soil.

The invention discloses a growth-promoting halophilic Clariella sackii BWT 1.2507 strain and a preparation method of the growth-promoting halophilic Clariella sackii BWT 1.2507 strain. The growth-promoting halophilic Clariella sackii BWT 1.2507 strain has the advantages that the growth- The invention relates to a bacillus subtilis BWT1.2507, which is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on September 28, 2025, the address of the GDMCC is the 5th floor of the building 59, No. 100 courtyard, Xianlie Middle Road, Guangzhou City, Guangdong province, the postcode is 510070, and the preservation number is GDMCC No: 67048. The halophilic Sacchaffia halmapaa BWT1.2507 is separated and screened from the corn rhizosphere saline-alkali soil, has the functional characteristics of saline-alkali resistance growth, nitrogen fixation, organic phosphorus dissolution, IAA secretion and siderophore production, has obvious application effects in promotion of healthy growth of corn plants and alkali and salt reduction of saline-alkali soil, can be developed as an agricultural microbial agent, and has broad application prospects. The application potential in improvement of saline-alkali soil is huge.

The invention discloses a Burkholderia cepacia MZ-8 which is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on April 8, 2025, and the preservation number of the Burkholderia cepacia MZ-8 is GDMCC No: 66106. The research finds that the burkholderia cepacia MZ-8 can efficiently inhibit the growth of pathogenic bacteria of citrus canker, the inhibition rate of the burkholderia cepacia MZ-8 to the pathogenic bacteria of citrus canker reaches 98.27% in a pot culture test, and meanwhile, the burkholderia cepacia MZ-8 can dissolve organic phosphorus, generate iron carriers and fix nitrogen and promote plant growth. Therefore, the burkholderia cepacia MZ-8 disclosed by the invention has good application potential in the aspects of preventing and treating citrus canker, promoting absorption and growth of phosphorus, iron and nitrogen of plants and the like. The discovery of the bacterial strain enriches beneficial microbial resources for biocontrol and growth promotion, and provides a bacterial strain which is stable in antibacterial effect, efficient and environment-friendly for green biological control.

The invention discloses a novel salt-alkali tolerant stenotrophomonas strain and application thereof, and belongs to the field of agricultural microorganisms. The new species of the saline-alkaline tolerant stenotrophomonas is stenotrophomonas SHZ-02, the classification name of the stenotrophomonas SHZ-02 is Senotrophomonas shiheziensis SHZ-02, the stenotrophomonas SHZ-02 is preserved in the Guangdong Microbiological Culture Collection Center, and the preservation number of the stenotrophomonas SHZ-02 is GDMCC (China General Microbiological Culture Collection Center) NO: 66422. The stenotrophomonas SHZ-02 has the functions of fixing nitrogen, dissolving phosphorus, dissolving potassium, producing siderophores, producing IAA, producing EPS and the like for promoting plant growth and has the function of directly promoting the growth of various plants.

The invention belongs to the field of microorganisms, and relates to a phosphate-solubilizing fungus with sandy soil adaptability, in particular to a high-efficiency sandy soil phosphate-solubilizing talaromyces HZ29 strain as well as a screening method and application of the high-efficiency sandy soil phosphate-solubilizing talaromyces HZ29 strain. The talaromyces sp. HZ29 has the preservation number of CGMCC (China General Microbiological Culture Collection Center) NO.42246, and is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms on October 15, 2025. A new phosphorus-solubilizing fungus strain is obtained through screening for the first time, phosphorus which is difficult to be directly absorbed by crops in soil can be efficiently activated, the content of available phosphorus in the soil is increased, and the phosphorus-solubilizing fungus strain has an outstanding phosphorus-solubilizing effect; and the strain has siderophore secretion capability and disease bacterium antagonism capability, and has a growth promoting function on crops.

The invention relates to the technical field of microorganisms, in particular to growth-promoting pantoea TY-88 and application thereof in promotion of waxy corn seed germination and seedling growth, the preservation unit of the growth-promoting pantoea TY-88 is China Center for Type Culture Collection, the preservation number is CCTCC NO: M 2025945, and the preservation date is April 30, 2025. The growth-promoting pantoea TY-88 provided by the invention has better capabilities in the aspects of phosphate solubilization, nitrogen fixation, potassium solubilization and siderophore production; when the biological agent prepared from the growth-promoting pantoea is used for seed soaking treatment, waxy corn seed germination, seedling growth and development and substance accumulation of the overground part and the underground part can be remarkably promoted, and economic benefits are improved on the premise that the environment is not polluted.

The invention belongs to the field of development and application of microorganisms, and relates to serratia rubra for preventing and treating potato scab and application of the serratia rubra. In order to overcome the defects in the prior art, the invention provides serratia rubra A14 for preventing and treating potato scab and application of the serratia rubra A14, the serratia rubra A14 provided by the invention is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36010. The serratia rubra A14 can be used for preventing and treating potato scab. The strain has remarkable bacteriostatic activity on streptomyces scabies, and has the capabilities of dissolving phosphorus and producing indoleacetic acid (IAA), protease and siderophore. The strain has good biological safety, and the strain is prepared into a microbial agent for green prevention and control of potato scab and has good application prospects.