54 results about "Pantoea agglomerans" patented technology

The invention discloses talaromyces purpurogenus, a preparation method and application in prevention and treatment of corn stalk rot, and provides a novel strain, namely talaromyces purpurogenus Jnf41, greenhouse control effect experiments show that the talaromyces purpurogenus Jnf41 can inhibit the scab area and the scab length of the corn stalk rot in greenhouse control effect determination, and the talaromyces purpurogenus Jnf41 can be used for preventing and treating the corn stalk rot. Infection of the corn stalk rot can be effectively inhibited, pathogenic bacteria are not prone to generating drug resistance, green prevention and control are implemented in the prevention and control process, and the biological preparation for resisting the corn stalk rot is prepared and has important significance on green prevention and control of the corn stalk rot.

The invention relates to the field of environment and agricultural biotechnology, in particular to an application of a composite phosphate-solubilizing bacterial agent in promoting wheat growth, which is characterized in that germinated wheat is cultivated firstly, then the germinated wheat is placed in soil mixed with the composite phosphate-solubilizing bacterial agent to be cultivated, and then the germinated wheat is cultivated in soil mixed with the composite phosphate-solubilizing bacterial agent. Furthermore, the growth of wheat is promoted by the cooperation of enterobacter hormaechei HS6, pantoea agglomerans CT3 and wheat bran in the compound phosphate-solubilizing bacterium agent. Wherein the enterobacter hormaechei HS6 and the pantoea agglomerans CT3 can efficiently convert insoluble phosphorus in the soil into soluble phosphorus, the utilization rate of phosphorus in the soil is effectively increased, the use amount of chemical phosphate fertilizer is reduced, nutritional ingredients are increased for the soil, the physical and chemical properties of the soil are improved, wheat growth can be well promoted, and the application prospect is good.

The invention discloses pantoea agglomerans ALC and application thereof in preparation of a plant growth-promoting bacterial fertilizer for aluminum-toxic soil, and belongs to the field of soil remediation, the pantoea agglomerans ALC is preserved in China General Microbiological Culture Collection Center on July 15, 2024, and the preservation number is CGMCC No.31309. The invention further discloses a preparation method of the pantoea agglomerans ALC and application of the pantoea agglomerans ALC in preparation of a plant growth-promoting bacterial fertilizer for aluminum-toxic soil. On one hand, citric acid is generated through the pantoea agglomerans ALC to chelate active aluminum, on the other hand, phosphate is generated through the pantoea agglomerans ALC to reduce the content of the active aluminum in the soil, and finally the content of the active aluminum in the aluminum-toxic soil is reduced, so that damage to plants and crops is reduced. The plant growth-promoting bacterial fertilizer for the aluminum-toxic soil, prepared by the invention, can be used for restoring heavy metal contaminated soil and also can be used for reducing stress of heavy metals on plants, promoting plant growth and increasing soil fertility, and a plurality of microorganisms have a synergistic effect, so that the restoration efficiency of the heavy metal soil is further improved through the synergistic effect.

The content of IAA produced by the pantoea agglomerans JHS0317 can reach 26.81 mg / L, the content of ACC deaminase produced by the pantoea agglomerans JHS0317 is 470.34 U / L, the pantoea agglomerans JHS0317 has multiple functions of dissolving phosphorus, dissolving potassium, fixing nitrogen, producing siderophore and the like, meanwhile, the pantoea agglomerans JHS0317 has inhibition effects on tobacco fusarium oxysporum and fusarium solani, the inhibition rates are 42.98% and 41.20%, the germination rate of tobacco seeds is increased through treatment of the strain JHS0317, and the root length is remarkably promoted; the root activity, the whole plant fresh weight, the overground fresh weight, the root fresh weight, the maximum leaf length and the maximum leaf width of tobacco seedlings treated by the strain JHS0317 with the bacterium content of 1 * 10 < 5 > cfu / mL in a seedling culture substrate are obviously higher than those of the tobacco seedlings treated by a contrast, and the strain can be used as a plant growth-promoting rhizobacteria and has a good application prospect in research and development of microbial fertilizers and biological prevention and control of tobacco fusarium root rot.

The invention provides pantoea agglomerans and application thereof, and belongs to the technical field of microorganisms, the strain is preserved in China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36122; the strain has very high selenium tolerance and transformation capacity, and can transform inorganic selenium (such as Se (IV)) with relatively high toxicity into organic selenium (such as selenomethionine and selenocystine) with low toxicity and zero-valent nano-selenium (Se0) in a culture medium containing sodium selenite. The pantoea agglomerans obtained by the invention has the characteristics of selenium-addictive microorganisms, and has potential application value in biotransformation of selenium, microbial synthesis of nano-selenium, and growth promotion and selenium enrichment of crops. The pantoea agglomerans can promote plant growth, a liquid fermentation process developed by the strain is utilized, the highest conversion rate of organic selenium can reach 92.5%, and the synthesis efficiency of nano-selenium reaches 88.3%. And development of organic selenium agricultural products is well facilitated.

The invention relates to the field of environment, resource utilization and agricultural biotechnology, in particular to application of a composite solid phosphate-solubilizing bacterial agent to remediation of cadmium-contaminated soil and improvement of soil quality, in the application, the composite solid phosphate-solubilizing bacterial agent comprises phosphate-solubilizing bacteria, bone black, a culture medium and an organic matrix; the phosphate solubilizing bacteria are pantoea agglomerans CT-3 and enterobacter hormaechei HS-6; the composite solid phosphate-solubilizing bacterial agent is applied to Cd-polluted soil, the bio-availability of Cd in the soil is reduced through synergy of pantoea agglomerans CT-3, enterobacter hormaechei HS-6 and micron-nano multi-stage bone black, and meanwhile, the soil quality is improved. On one hand, the application can effectively promote conversion of insoluble phosphate into soluble phosphate, so that the content of available phosphorus in soil is increased by 98.19%; on the other hand, soil heavy metal Cd can be fixed, so that the content of available Cd in the soil is reduced by about 52.50%, and the soil remediation agent has excellent Cd fixation capacity, can relieve Cd stress of crops, and has good application value in the aspects of farmland Cd pollution remediation, soil quality improvement and environmental protection.

The invention belongs to the field of biological prevention and control of postharvest diseases of fruits and vegetables, and relates to compound bacteria and application thereof in prevention and control of postharvest diseases of tomatoes and storage and preservation. The compound bacterium provided by the invention is prepared by mixing the pantoea agglomerans B10 (CCTCC M20241322) and the Caribik Yarrowia mayer yeast Y9 (CCTCC M 20241324), and the compound bacterium is prepared by mixing the Pantoea agglomerans B10 and the Caribik Yarrowia mayer yeast Y9. The compound bacteria are used for preventing and treating postharvest diseases of tomatoes and for storage and preservation, the natural condition of the tomatoes is kept, the tomatoes are soaked in the compound bacteria, the soaked tomatoes are taken out and naturally aired, and the tomatoes are stored in a certain environment, so that the prevention and treatment of postharvest diseases of the tomatoes and the application of storage and preservation can be realized. According to the present invention, the occurrence of gray speck disease, black spot and leaf spot disease after tomato harvesting can be significantly inhibited, the natural rotting rate after tomato harvesting can be reduced, the significant adverse effect on the main quality index of the harvested tomato can be avoided, and the deterioration of the storage quality can be relieved; the method is convenient to operate, safe and environment-friendly, and has wide market application prospects.

The invention discloses Pantoea agglomerans B10 and application thereof in preparation of a plant growth promoting agent, experiments prove that the Pantoea agglomerans B10 has the preservation number of CGMCC No.31199, and also has the capability of producing IAA, the IAA yield is 31.97 mu g / mL, the relative yield of siderophores is 72.03%, the capabilities of dissolving inorganic phosphorus, fixing nitrogen and producing polyglutamic acid reach 443.76 mu g / mL, and the comprehensive growth promoting capability is relatively strong.

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 application relates to the field of environment, resource utilization and agricultural biotechnology, and particularly relates to application of a composite solid phosphorus-solubilizing bacterial agent for repairing cadmium-polluted soil and improving soil quality, wherein the composite solid phosphorus-solubilizing bacterial agent comprises phosphorus-solubilizing bacteria, bone charcoal, culture medium and organic matrix; the phosphorus-solubilizing bacteria are Pantoea agglomerans CT-3 and Enterobacter hormaechei HS-6; the composite solid phosphorus-solubilizing bacterial agent is applied to Cd-polluted soil, and the biological availability of Cd in the soil is reduced by Pantoea agglomerans CT-3, Enterobacter hormaechei HS-6 and micron-nanometer multi-stage bone charcoal, and meanwhile, the soil quality is improved. The application can effectively promote the transformation of insoluble phosphate into soluble phosphate, so that the content of effective soil phosphorus is increased by 98.19%; on the other hand, the application can fix soil heavy metal Cd, so that the content of effective Cd in the soil is reduced by about 52.50%, has excellent Cd-fixing capacity, and can relieve the Cd stress of crops, and has good application value in repairing farmland Cd pollution, improving soil quality and environmental protection.

The invention discloses a Pantoea sp. ZC11L and an application thereof. The pantoea sp. ZC11L is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 16, 2023, and the preservation number is CGMCC No.29038. The pantoea sp. ZC11L has the advantages that the preservation number is CGMCC No.29038; the yield of indoleacetic acid (IAA) after 48-72 h of fermentation is 100-500 [mu] g / mL, the germination and growth promoting rate of coptis chinensis seeds is increased by 70-80%, and a microbial agent prepared from the pantoea ZC11L can be used for breeding and seedling raising of coptis chinensis and has the advantages of being efficient, safe, environmentally friendly and the like.

The pantoea agglomerans SE16 is classified and named as pantoea agglomerans, and is preserved in the China General Microbiological Culture Collection Center on October 17, 2024, the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No. 32246. The bacterial strain is applied to strengthening phytoremediation of heavy metal pollution, improving soil nutrients, promoting plant growth and strengthening phytoremediation of pollutants. The strain has the functions of dissolving phosphorus, fixing nitrogen, producing iron carriers, producing indoleacetic acid, ACC deaminase and cellulase, resisting acid, resisting salt and the like, and also can tolerate various heavy metals, polycyclic aromatic hydrocarbons and combined pollution of the heavy metals and the polycyclic aromatic hydrocarbons; by promoting the growth of the sudangrass, improving the photosynthesis of the sudangrass, relieving the oxidation pressure of the sudangrass and changing the composition of soil microbial communities, the toxicity of chromium to the sudangrass is relieved, and the method has practical popularization and application values.

The present invention addresses the problem of producing a high-purity low-molecular-weight lipopolysaccharide at low cost from a preserved bacterium that produces a high-purity low-molecular-weight lipopolysaccharide. The present invention relates to: a lipopolysaccharide obtained from a preserved bacterium obtained by causing a change in genetic information of conventional Pantoea agglomerans; a method for producing a lipopolysaccharide by which a lipopolysaccharide is obtained from the preserved bacterium; and a method for producing a lipopolysaccharide. Also disclosed is a lipopolysaccharide complex for a pharmaceutical product, an animal drug, a quasi-drug, a cosmetic, a food, a functional food, a feed, a fertilizer, a bath agent or the like in which the lipopolysaccharide is blended.

The invention discloses a pantoea-bacillus compound bacterium and application thereof, the compound bacterium comprises pantoea agglomerans JZ-1-1-1 and bacillus subtillis JZ-2-2-2, the bacterium JZ-1-1-1 and the bacterium JZ-2-2-2 are both preserved in Guangdong Province Microbial Culture Collection Center on January 13, 2025, and the preservation numbers of the bacterium JZ-1-1-1 and the bacterium JZ-2-2-2 are respectively GDMCC NO: 65776 and GDMCC NO: 65775. The strains JZ-1-1-1 and JZ-2-2-2 show a remarkable inhibition effect on potato anthracnose pathogenic bacteria, the treatment effect of a prevention mode of the compound bacteria is remarkably higher than that of a treatment mode, and the compound bacteria can form a biological membrane, play an important role in survival and stress resistance protection of the bacteria, are also beneficial to colonization on plant surfaces, and can be used for preventing and treating the potato anthracnose pathogenic bacteria. The inhibition capability on pathogenic bacteria is enhanced.

The invention relates to a biocontrol bacterium for preventing and treating alfalfa leaf spot disease, a biocontrol microbial agent and a preparation method and application thereof, and belongs to the field of microorganisms, the biocontrol bacterium MX282 belongs to Pantoea agglomerans, is preserved in China General Microbiological Culture Collection Center on June 23, 2025, has the preservation number of CGMCC No.34969, and has the preservation number of CGMCC No.34969. The biocontrol bacterium MX282 has the preservation number of CGMCC No.34969. The biocontrol bacterium MX282 has the preservation number of CGMCC No.34969 and the preservation number of CGMCC No.34969. Meanwhile, the invention discloses application of the biocontrol bacterium MX282 to prevention and treatment of alfalfa leaf spot disease and promotion of alfalfa growth.

The invention discloses a mass spectrum method for rapidly identifying pantoea agglomerans, and solves the technical problems of high required cost and long consumed time in the prior art. The method comprises the following steps: S1, acquiring a pantoea agglomerans characteristic fingerprint spectrum; s2, according to the obtained pantoea agglomerans characteristic fingerprint spectrum, obtaining a mass-nucleus ratio and a corresponding weight of the pantoea agglomerans characteristic fingerprint spectrum; and S3, performing mass spectrum detection on unknown bacteria by using the obtained pantoea agglomerans characteristic fingerprint spectrum, comparing the mass spectrum of the unknown bacteria with the characteristic fingerprint spectrum, calculating a score, and judging whether the unknown bacteria are pantoea agglomerans or not according to a score result. According to the method disclosed by the invention, unknown bacteria can be identified in a short time by combining a mass spectrum technology with a characteristic fingerprint spectrum, so that the detection efficiency is greatly improved.

The application discloses a biocontrol pantoea agglomerans KBA33 for inhibiting botryosphaeria dothidea and application thereof. The strain KBA33 disclosed by the application can effectively inhibit botryosphaeria dothidea at 16 DEG C and 28 DEG C, and can inhibit botryosphaeria dothidea through cell-cell contact.

The invention belongs to the technical field of microorganisms, and discloses a Pantoea agglomerans strain with high glutamic acid yield, the name of the Pantoea agglomerans strain is PA-GLU-10, the classification name is Pantoea agglomerans, the preservation number is GDMCC 65358, the preservation date is October 28, 2024, and the preservation unit is Guangdong Microbial Culture Collection Center, No.100 Courtyard, Xianlie Middle Road, Guangzhou. The invention provides Pantoea agglomerans, the Pantoea agglomerans can be used for fermentation production of glutamic acid, has the advantages of tolerance to relatively low pH in a fermentation process, high glutamic acid production speed, suitability for continuous culture and the like, overcomes the problems of poor acid resistance, high cost and the like of an existing fermentation strain, and is expected to reduce the production cost of glutamic acid.

The invention belongs to the technical field of microorganisms, and particularly relates to pantoea agglomerans C-167 and application thereof in prevention and treatment of postharvest diseases of citrus. The preservation number of the strain is CCTCC (China Center For Type Culture Collection) NO: M 20252918 The pantoea agglomerans C-167 disclosed by the invention provides a novel high-quality strain resource for biological prevention and control of citrus green mold; meanwhile, a good prevention and treatment effect on citrus anthracnose and citrus black rot is also achieved. The strain C-167 can effectively reduce the use of chemical bactericides, reduce the risk of pesticide residues, and provide a new technical scheme for green prevention and control of postharvest diseases of citrus.

This invention discloses a primer and probe composition for the quantitative detection of the pathogen causing leaf spot disease in wild apricot and its application, belonging to the field of agricultural biotechnology. The primer and probe composition for the quantitative detection of the pathogen causing leaf spot disease in wild apricot is mentioned, wherein the pathogen is *Scutellaria cirrhosa* (*Scutellaria cirrhosa*). Wilsonomyces carpophilus ) and / or clusters of pantothenic acid ( Pantoea agglomerans The primer-probe composition comprises a first primer pair and a first probe W.car-P for detecting *Cyclophorus frutescens*, and a second primer pair and a second probe P.agg-P for detecting *Pantotheca acuminata*. The purpose of this invention is to provide a primer-probe composition for the quantitative detection of the pathogen causing leaf spot disease in wild apricots and its application. This primer-probe composition exhibits high sensitivity, strong specificity, good stability, and high repeatability, enabling rapid and simultaneous detection of *Cyclophorus frutescens* and *Pantotheca acuminata*.

The invention provides a bio-fertilizer for promoting plant growth and enriching selenium and a preparation method thereof, and belongs to the technical field of bio-fertilizers, the bio-fertilizer is based on a dried and sterilized mixed organic matter and a direct vat set pantoea inoculant, the mass fraction of N in the mixed organic matter is 4-8%, the mass fraction of P2O5 in the mixed organic matter is 1.6-3.3%, and the mass fraction of K2O in the mixed organic matter is 1.6-3.3%. The selenium-enriched biological fertilizer for promoting plant growth is characterized in that the selenium-enriched biological fertilizer for promoting plant growth is prepared by mixing and fermenting mixed organic matters, calcium superphosphate, sodium selenite and a direct-vat-set pantoea agglomerans fungicide, the pantoea agglomerans AKFX-001 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36122. The strain disclosed by the invention has the effects of resisting high-concentration selenium, converting inorganic selenium into organic selenium and promoting plant growth at the same time, and a single strain realizes the functions which can be realized by a previous mixed strain, so that the strain has a very good market prospect.

The invention discloses pantoea for efficiently preventing and treating citrus canker and application of the pantoea. The pantoea is named as Pantoea cypripedii Q210, the preservation number is CGMCC NO.36920, the preservation date is December 8, 2025, and the preservation site is the China General Microbiological Culture Collection Center. The bacterial strain is separated and screened from soil of a Gannan navel orange orchard, and it is found that the bacterial strain has the capacity of inhibiting growth of citrus canker pathogen Xcc, has an obvious prevention and treatment effect on citrus canker and can provide a new biological prevention and treatment means for comprehensive prevention and treatment of citrus canker.

The invention relates to the field of environment and agricultural biotechnology, in particular to a compound microbial solid bacterial fertilizer and a preparation method and application thereof, and the compound microbial solid bacterial fertilizer comprises enterobacter hormaechei HS6, pantoea agglomerans CT3, a culture medium and an organic matrix. Enterobacter hormaechei HS6 and pantoea agglomerans CT3 are compounded, a culture medium is used for promoting growth and metabolism, meanwhile, an organic matrix is used for further promoting growth of strains and serves as a carrier of the strains to form the solid bacterial fertilizer, insoluble phosphorus in soil can be synergistically and efficiently converted into soluble phosphorus, the utilization rate of phosphorus in the soil is effectively increased, and the soil quality is improved. The method reduces the use amount of chemical phosphate fertilizer, increases other nutritional ingredients for soil, improves the physicochemical properties and fertility of soil, promotes the green and sustainable development of agricultural production, and has a good application prospect.

The invention provides a storage and fresh-keeping method of oriental waterplantain rhizome flower bolts, which comprises the following steps: preparing an inactivated bacteria solution from pantoea agglomerans and Vilnelande solid-base bacteria, and adding amino ethyoxyl vinyl glycine into a bacteria solution culture medium to construct a synergistic fresh-keeping system, in the method, a mixed bacterial agent forms a biological protection layer on the surface of the flower bolts, so that the fresh-keeping effect of the flower bolts is improved, and the storage and fresh-keeping effects of the flower bolts are improved. Meanwhile, the bacterial liquid serves as an amino ethyoxyl vinyl glycine carrier, slow release and efficient permeation of active ingredients are achieved, and ethylene synthesis is inhibited from the interior; the technology has the dual advantages of biological control and physiological regulation, is green and free of chemical residues, can remarkably maintain the integrity of cell membranes, effectively keeps the color, texture and nutrition of products, prolongs the storage period, and opens up a new way for fresh keeping of green agricultural products.

The invention provides a potato growth-promoting complex microbial inoculant as well as a preparation method and application thereof, and belongs to the technical field of complex microbial inoculants. The complex microbial inoculant disclosed by the invention is prepared from rhodopseudomonas palustris LY-6, pantoea agglomerans B10, bacillus paralicheniformis and a microbial inoculant carrier. After the rhodopseudomonas palustris LY-6, the pantoea agglomerans B and the bacillus parlicheniformis are mixed according to a specific proportion, the synergistic effect is remarkable, the growth of plants can be promoted, the disease prevention performance of the plants can be improved, and the crop yield is further increased. The peat soil, the humic acid and the attapulgite powder are used as microbial agent carriers, the continuity and the stability of the composite microbial agent can be improved, plant growth can be promoted and the crop yield can be increased only by applying the microbial agent once in a planting period, and cost saving and efficiency increasing are achieved.

The invention relates to the field of environment and agricultural biotechnology, in particular to a high-efficiency compound phosphate-solubilizing bacterial agent, a preparation method thereof, a biological bacterial fertilizer and application, and the high-efficiency compound phosphate-solubilizing bacterial agent comprises active ingredients of enterobacter hormaechei HS6 and pantoea agglomerans CT3. The efficient composite phosphate-solubilizing bacterial agent formed by combined application of the enterobacter hormaechei HS6 and the pantoea agglomerans CT3 has efficient phosphate-solubilizing capacity and excellent stability, no antagonism exists between the two strains, the utilization efficiency of insoluble phosphorus can be greatly improved, the efficient composite phosphate-solubilizing bacterial agent has the advantages of being excellent in phosphate-solubilizing effect and high in available phosphorus content, the usage amount of chemical phosphate fertilizer can be reduced, and the production cost is reduced. The method is suitable for being used in agricultural production. The efficient composite phosphate-solubilizing bacterial agent has good prospects in application to preparation of biological bacterial fertilizer, application to agricultural soil improvement, application to phosphorus resource recovery and application to promotion of plant growth.

The invention relates to the technical field of microorganisms, in particular to an acid-resistant nitrogen fixation-activated iron phosphate synthetic flora and application thereof, and the acid-resistant nitrogen fixation-activated iron phosphate synthetic flora is composed of the following microbial strains: Pseudomonas donghuensis N-13 and Pantoea agglomerans P-23; the preservation number of the pantoea agglomerans P-23 is CGMCC (China General Microbiological Culture Collection Center) No.37622, and the preservation number of the East Lake pseudomonas N-13 is CGMCC No.37624. The method is suitable for synchronous biological enhancement of nitrogen and phosphorus nutrients in an acidic oligotrophic environment.

This invention discloses a *Pantotheca acuminata* strain G6 with rhizosphere growth-promoting functions in crops and its applications, belonging to the field of microbial technology. This invention isolated a multifunctional growth-promoting strain from the rhizosphere soil of japonica rice in cold-region black soil and, after reorganization, obtained *Pantotheca acuminata* G6, whose preservation number is CGMCC No. 38430. The *Pantotheca acuminata* G6 provided by this invention has the functions of decomposing inorganic phosphorus, decomposing organic phosphorus, producing iron carriers, producing IAA, fixing nitrogen, and decomposing potassium. This invention also discloses the application of *Pantotheca acuminata* G6 in improving seed germination and seedling growth in crops. *Pantotheca acuminata* G6 has a strong growth-promoting ability, providing an excellent growth-promoting bacterial resource for crops such as japonica rice, corn, and soybeans in cold regions, and has promotional value.

The invention relates to the field of environment, phosphorite resource utilization and agricultural biotechnology, in particular to a phosphate-solubilizing bacterial agent for degrading hydroxyapatite, a preparation method of the phosphate-solubilizing bacterial agent, a biological bacterial fertilizer and application of the phosphate-solubilizing bacterial agent for degrading hydroxyapatite, the phosphate-solubilizing bacterial agent for degrading hydroxyapatite comprises phosphate-solubilizing bacteria, hydroxyapatite and a culture medium, and the phosphate-solubilizing bacteria are pantoea agglomerans CT3. The hydroxyapatite is used for preparing the phosphate-solubilizing bacterial agent for degrading hydroxyapatite, so that full utilization of phosphate ore resources can be greatly promoted, and dissolution of insoluble phosphorus in phosphate ore is realized. According to the phosphate-solubilizing bacterial agent for degrading hydroxyapatite, the pantoea agglomerans CT3 is combined with the hydroxyapatite, so that the phosphate-solubilizing capacity of the pantoea agglomerans CT3 can be utilized, and the phosphorus resource of the hydroxyapatite can be fully utilized. The phosphate-solubilizing bacterial agent capable of degrading hydroxyapatite has good prospects in application to preparation of biological bacterial fertilizer, application to agricultural soil improvement, application to phosphorite resource recovery and application to promotion of wheat growth.

The invention provides a bacteriophage CM23S1 with a function of splitting pantoea agglomerans and application of the bacteriophage CM23S1, and belongs to the technical field of biological control. The phage is named as CM23S1, the whole length of a genome sequence is 92308 bp, the phage is preserved in the China General Microbiological Culture Collection Center on October 21, 2025, and the preservation number is CGMCC No.46684; the invention provides a method for separating and purifying the bacteriophage and preparing a biological preparation. The bacteriophage has relatively high stability and splitting property on pantoea agglomerans. An indoor bacteriostasis test shows that the bacteriophage has an obvious bacteriostasis effect on pantoea agglomerans, and a potted wheat test also proves that the bacteriophage can be used for preventing and treating plant diseases caused by pantoea agglomerans.