92 results about "Indoleacetic Acids" patented technology

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 relates to the technical field of biology, in particular to application of brassinolide in increasing the yield of lettuce latex. According to the invention, brassinolide is adopted as an active component and acts on lettuce plants, so that the yield of lettuce latex can be remarkably increased, and meanwhile, the contents of sucrose and isopentenyl pyrophosphate in lettuce are further remarkably increased. Compared with indoleacetic acid, the brassinolide provided by the invention is more suitable for improving the gum production performance of the plant lettuce, and the brassinolide and the indoleacetic acid are high in adaptability, so that a more excellent technical effect is obtained. In the use process, the use method of brassinolide is simple, the use amount is small, the function of remarkably improving the yield of lettuce latex, sucrose and isopentenyl pyrophosphate can be achieved by adopting brassinolide with low concentration, the cost is low, the effect is good, no new toxic or side effect is caused to the environment, and the brassinolide is suitable for application and popularization.

The invention belongs to the technical field of agricultural microorganisms, and particularly relates to rice endophytic sphingosine vector SY02 and application thereof. The preservation number of the rice endophytic sphingobium yanoikuyae SY02 provided by the invention is CCTCC (China Center For Type Culture Collection) NO: M2026182, and the sphingobium yanoikuyae SY02 has the functions of producing indoleacetic acid, promoting plant growth and seed germination, promoting adventitious bud proliferation of tissue culture seedlings and relieving browning. The sphingosine vector bacterium and the microbial agent prepared through strain fermentation have the advantages of being green, safe, efficient, long-acting and the like, and have good application prospects in the aspects of promoting plant growth and seedling breeding.

The invention discloses bacillus amyloliquefaciens and application of the bacillus amyloliquefaciens in promoting growth of plants in salinized land. The strain is preserved in Guangdong Microbial Culture Collection Center on June 24, 2025, and the preservation number is GDMCC NO: 67014. The bacillus amyloliquefaciens R1 obtained by screening is a high-yield IAA (Indoleacetic Acid), is a bacterial strain capable of remarkably promoting the growth of plants in the salinized land, and has good development potential and application value for promoting the growth of the plants in the salinized land. The problem that in the prior art, microbial strains with the rhizosphere growth-promoting and saline-alkaline-tolerant functions are lacked is solved.

The invention belongs to the technical field of plant seedling raising, and relates to a method for breaking dormancy of iris ensata thunb seeds and accelerating germination, which comprises the following steps: (1) soaking disinfected iris ensata thunb seeds in hydrogen peroxide with the concentration of 3-7wt% for 15-30min; and (2) at 25-30 DEG C, soaking with a mixed solution of gibberellin 3 and indoleacetic acid, and accelerating germination. Hard seed coats are broken through H2O2 soaking treatment, seed coat obstacles and physiological dormancy of the iris ensata thunb seeds are broken through combination of a GA3 + IAA seed soaking mode and fine sand covering germination acceleration, hormones needed by seed germination are supplemented, germination inhibitors existing in the seeds are inhibited, dormancy of the iris ensata thunb seeds is comprehensively relieved, the germination rate of the iris ensata thunb seeds is remarkably increased, and the germination rate of the iris ensata thunb seeds is increased. The germination rate is increased to 80% or above, the germination time can be further shortened, and technical support is provided for large-scale production and application of iris ensata thunb.

The invention relates to the field of biomedicine, and mainly relates to application of indoleacetic acid in preparation of products for preventing or treating hypertension. The invention firstly provides application of indoleacetic acid or pharmaceutically acceptable salts thereof in preparation of products for preventing and / or treating hypertension. The invention also provides a product comprising an effective dose of indoleacetic acid or a pharmaceutically acceptable salt thereof. It is found that indoleacetic acid or pharmaceutically acceptable salts thereof can be effectively used for preventing or treating hypertension, and a new way is opened up for treatment of hypertension.

The invention discloses a bacillus velezensis strain and application thereof. The invention discloses bacillus velezensis WLH (bacillus velezensis), and the preservation number of the bacillus velezensis WLH is CCTCC (China Center for Type Culture Collection) NO: M 20251238. The bacillus velezensis WLH is screened from rhizosphere of cucumber, the WLH is a biocontrol bacterium, can inhibit growth of pathogenic bacteria of cucumber root rot and fusarium wilt by degrading phenolic acid in soil and promote growth of cucumber plants, and the strain can relieve autotoxicity caused by the phenolic acid, inhibit the cucumber root rot and fusarium wilt and promote growth of cucumber plants. The promotion of crop growth comprises the capability of producing indoleacetic acid (IAA) and the capability of solubilizing phosphate, the promotion of germination of cucumber seeds under the stress of mixed phenolic acid and pathogenic bacteria, and the promotion of growth of cucumber seedlings under the stress of mixed phenolic acid and pathogenic bacteria. Soil continuous cropping obstacles generated in cucumber planting are effectively relieved, and a new basis is provided for microbial control of continuous cropping obstacles.

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.

The invention provides a Bruegeria bivalve CB24031-XJ12 strain and an application thereof, and belongs to the technical field of microorganisms. The Bruegera conchae CB24031-XJ12 disclosed by the invention is preserved in the Guangdong Microbial Culture Collection Center, the preservation number is GDMCC No: 66493, the preservation date is June 10, 2025, and the preservation address is the 5th floor, No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou. According to the present invention, the Brugergera bivaleriei CB24031-XJ12 has the 3-indoleacetic acid (IAA) production capacity, and the co-culture of the Brugergera bivaleriei CB24031-XJ12 and the sea grape can significantly promote the growth and the upright branch germination of the sea grape and improve the oxidation resistance of the sea grape, such that the Brugergera bivaleriei CB24031-XJ12 has important significance in the improvement of the yield and the quality of the sea grape.

The invention provides a strain of underground neosphingobacterium AR5-1 and application thereof in growth promotion and drought resistance, and the strain is named as Novosphingobacterium subraneum in taxonomy, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) NO.35273. The invention also provides a method for preparing the underground neosphingobacterium AR5-1. The invention further provides an application of the underground neosphingobacterium AR5-1 in growth promotion and drought resistance. The underground neosphingosine bacterium is separated from tobacco rhizosphere drought stress soil, and through molecular identification (the similarity of 16S rRNA is 100%) and functional verification, the underground neosphingosine bacterium has the capacity of producing indoleacetic acid (the concentration of IAA is 0.142 + / -0.005 mg / mL) and fixing nitrogen. A bacterial suspension (OD600 = 0.3) prepared from the bacillus subtilis is applied to plant rhizosphere, so that the growth of crops such as tobacco and the like can be remarkably promoted (the biomass is increased by more than or equal to 20%), the drought resistance is enhanced (the drought rehydration recovery rate is increased by 35%), and the bacillus subtilis has the advantages of environmental friendliness and reduction of chemical fertilizer dependence, and is suitable for sustainable agricultural development.

This invention belongs to the field of microbial technology, specifically relating to a strain of Acetobacter peroxide 672 and its applications. The Acetobacter peroxide 672 strain of this invention can enhance the antagonistic activity of Pichia pastoris against Rhizoctonia solani and also antagonizes Colloidal anthracnose, providing a multi-faceted solution for the biological control of crop diseases. Furthermore, the strain possesses the ability to produce indoleacetic acid, which can significantly promote the growth and development of grain crops such as wheat and corn, promote root expansion, enhance nutrient and water absorption, and thus effectively increase biomass. In addition, the strain can tolerate and degrade chemical pesticide components such as imidacloprid and carbendazim, alleviating soil pesticide residue pollution, and can effectively alleviate the inhibitory effects of low pH stress on crops, enhancing their stress resistance. Therefore, the Acetobacter peroxide 672 strain of this invention has significant application value in the biological control of crop diseases, crop growth promotion, soil pesticide residue remediation, and enhancing crop stress resistance.

This invention discloses a method for preparing recycled planting soil from river dredging soil. First, 0.5-1% wt quicklime and 20-30 g / cubic meter of chloropicrin are mixed into low-moisture dredging soil cake, then covered with a film and left to stand at room temperature for 3-4 days to allow the ash to settle. Next, 1-2% wt wood ash, 1-3‰ wt indoleacetic acid, and 3-6% wt magnesium peroxide are mixed into the sterilized dredging soil. Finally, a soil layer structure is laid, thereby creating a planting environment that promotes plant root growth. This invention's preparation method is simple, resource-efficient, and environmentally friendly. It effectively solves the problems of low plant survival rates and slow growth when dredging soil is directly used for planting, and alleviates many problems associated with storing dredging soil.

The invention discloses a method for increasing the content of genistin and genistein in flemingia philippinensis by using potassium. Culturing the flemingia philippinensis tissue culture seedlings in a propagation culture medium, and subculturing to obtain flemingia philippinensis stem segments with leaves; taking stems of the flemingia philippinensis, and culturing the stems in a rooting culture medium to obtain the flemingia philippinensis with the content of genistin and genistein increased; wherein the propagation culture medium is prepared from MS (Murashige and Skoog), 6-benzyladenine, indoleacetic acid and kinetin; the rooting culture medium comprises KNO3, MS (Murashige and Skoog) and naphthylacetic acid, and the MS does not contain KNO3. According to the method for increasing the content of genistin and genistein in the flemingia philippinensis by using potassium, accumulation of active ingredients of genistin and genistein at the root of the flemingia philippinensis is adjusted by adding exogenous potassium ions, so that the utilization rate of the flemingia philippinensis is increased, and the problem of resource shortage of the flemingia philippinensis is relieved.

This invention belongs to the field of microbial technology, and more specifically, relates to a high-yielding and stress-resistant growth-promoting bacterium, *Bacillus pyrogenes* YPR-35, and its applications. This strain possesses high production capacity of indoleacetic acid (IAA) and siderophores, as well as potassium-solubilizing and phosphorus-solubilizing abilities. It can be used in the production of IAA and in plant growth processes, significantly promoting crop growth and shortening cultivation time. This invention also provides a bio-agent containing this strain. Pot experiments and field trials have verified that this bio-agent can promote potato plant growth and significantly increase the yield of marketable potatoes, achieving the effect of high yield and increased income. Furthermore, this bacterium exhibits excellent stress resistance, including tolerance to heavy metal stress, acid and alkali stress, and salt stress, demonstrating wide adaptability. Therefore, this invention provides a new strain resource for the microbial fertilizer industry, showing strong application value in rhizosphere growth promotion.

The invention discloses a chenopodium ambrosioides seed endophytic fungus Alternaria alstroemia HZ132. The endophytic fungus Alternaria alstroemia HZ132 is preserved in Guangdong Microbial Culture Collection Center with the preservation number of GDMCC No. 66913, and the preservation number of the endophytic fungus Alternaria alstroemia HZ132 in Guangdong Microbial Culture Collection Center is GDMCC No. 66913. The strain has strong capabilities of solubilizing phosphorus, producing indoleacetic acid, producing siderophores and resisting cadmium, is inoculated with HZ132 under cadmium stress, can significantly promote plant growth and enhance cadmium resistance of plants, and has important significance in plant-microorganism combined remediation of heavy metal contaminated soil.

The invention belongs to the field of microbial agents, and particularly relates to a compound microbial agent and application thereof.Activated bacillus subtilis SL-44 and klebsiella oxytoca Rs-5 are subjected to amplification culture, a bacillus subtilis SL-44 fermentation liquor and a klebsiella oxytoca Rs-5 fermentation liquor are obtained, the fermentation liquor is added into the fermentation liquor, the fermentation liquor is added into the fermentation liquor, the fermentation liquor is added into the fermentation liquor, and the fermentation liquor is added into the fermentation liquor to prepare the compound microbial agent. And carrying out mixed fermentation culture on the bacillus subtilis SL-44 fermentation liquor and the klebsiella oxytoca Rs-5 fermentation liquor to obtain the compound microbial agent. The compound microbial agent has the capabilities of producing siderophore, dissolving phosphorus, producing indoleacetic acid, producing 1-aminocyclopropane-1-carboxylic acid deaminase and producing a biological membrane, and can remarkably promote the germination of plant seedlings, increase the plant biomass, improve the stress resistance of plants and improve the appearance and internal quality of plant fruits.

This invention discloses a method and application for soil improvement and carbon sequestration enhancement in castor bean cultivation in saline-alkali land, relating to the field of agricultural planting technology. The method includes: planting castor beans in saline-alkali land using an agroforestry model; and spraying exogenous hormones during the seedling, budding, and flowering stages of the castor beans. The exogenous hormones are indoleacetic acid (IAA) or gibberellin, with the IAA and gibberellin spraying concentrations ranging from 50 μM to 200 μM. This method can lower the soil pH in coastal saline-alkali land, improve soil physicochemical properties, and increase soil organic carbon and organic matter content. Simultaneously, it can effectively enhance soil carbon storage, castor bean plant carbon sequestration, and total carbon accumulation. The method has low operating costs, stable improvement effects, and balances the needs of land use and ecological carbon sequestration improvement in saline-alkali land, providing a theoretical basis and technical support for enhancing soil carbon sequestration in coastal saline-alkali land.

The invention relates to the technical field of microorganisms, in particular to a desert plant endophyte, a microbial agent and application, the desert plant endophyte is Pristeria aryabhattai HB-4 and is preserved in the China Center for Type Culture Collection on November 17, 2025, and the preservation number of the desert plant endophyte is CGMCC No.36665. The invention further relates to a method for preparing the desert plant endophyte. The strain can efficiently produce indoleacetic acid and has remarkable growth promoting and stress resistance functions. After the strain is inoculated, the fresh weight, the dry weight, the stem length, the chlorophyll content and the catalase activity of wheat are remarkably improved, and the malondialdehyde content is reduced. The invention further provides a microbial agent containing the strain and application of the microbial agent in the aspects of promoting plant growth and improving stress resistance, the microbial agent is particularly suitable for cultivation of crops such as wheat in drought and barren environments, and a new strain resource is provided for development of agricultural microbial preparations.

This invention relates to a salt-tolerant and alkali-resistant growth-promoting bacterium, ZIP1309, and its applications, belonging to the field of microbial technology. The strain ZIP1309 was deposited on July 2, 2025, at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC No. 35073. This strain exhibits strong salt and alkali resistance, tolerating environments with a maximum salt concentration of 10% and an alkaline environment at pH 11. It produces indoleacetic acid, siderophores, proteases, amylases, lipases, and cellulases. Furthermore, this strain can promote maize growth in saline-alkali environments with a salt content ≤0.5% and a pH ≤10, demonstrating broad application prospects.

The invention relates to a method for improving peony double petal flower types, which belongs to the peony flower type regulation and control technology, indoleacetic acid and a Tween-20 stock solution are used for preparing auxin treatment liquid, the concentration of the indoleacetic acid in the auxin treatment liquid is 25-35 mg.L <-1 >, and the volume concentration of the Tween-20 is 0.04-0.05%; when the flower buds of the peony plants grow to the initial stage of the round peach period, spraying auxin treatment liquid to the whole peony plants by using a pressurized sprinkling can, and performing normal maintenance after spraying; when the flower buds of the peony plants develop to the initial stage of the color exposure period, spraying the auxin treatment liquid to the whole peony plants by using the pressurized sprinkling can again, and maintaining until the peony plants bloom after the auxin treatment liquid is sprayed. By means of the adjusting effect of indoleacetic acid on flower organ development, the growth hormone treatment liquid is quantitatively sprayed in the round peach stage and the initial stage of the color exposure stage, intervention on the petal forming process is achieved on the premise that plant growth and the flowering phase process are not affected, the ornamental characteristic of peonies is effectively enhanced, and the flower quality is improved. The application range of the high-double-petal ornamental variety is expanded, and the commodity value is improved.

The invention provides paenibacillus kuchii as well as a fungicide and application thereof, and relates to the field of microorganisms. The paenibacillus kuchii is specifically paenibacillus kuchii M18, and the preservation number of the paenibacillus kuchii M18 is CGMCC (China General Microbiological Culture Collection Center) No. 36293. The strain can be used for dissolving phosphorus and potassium, fixing nitrogen and secreting IAA (Indoleacetic Acid), and is beneficial to promoting plant growth and improving soil quality; the strain can produce a biological membrane, can effectively isolate the contact between a root system and pathogenic bacteria, and plays a crucial role in preventing and treating various soil-borne diseases; the strain can produce protease and cellulase and promote the growth of plants; the strain can produce a urease inhibitor, inhibit the activity of urease in soil and delay hydrolysis of urea. The strain also shows extremely strong salt tolerance, and is beneficial to exerting a growth promoting effect in saline-alkali soil. The microbial inoculum can be applied to the root of a plant by means of root irrigation, so that the strain is colonized at the root of the plant to play a role in promoting the growth of the plant.

The invention belongs to the technical field of microorganisms, and particularly relates to an acidovorax Delf4 strain and application thereof. The invention discloses an acidovorax delphinii htf4, and the preservation number of the acidovorax delphinii htf4 is CGMCC No.34123. The acidovorax Delf4 disclosed by the invention has the capability of efficiently synthesizing indoleacetic acid (IAA), and the IAA yield of 75.74 mg / L can be realized without optimization in an NB culture medium containing 5mM L-tryptophan, which is obviously higher than that of other wild strains. In addition, the acidovorax delphinii htf4 disclosed by the invention has a remarkable growth promoting effect on plants (such as pepper). Pot experiments show that the acidovorax Delfsii htf4 can significantly increase the number of effective leaves, plant height and biomass of pepper, and has important application value in the field of microorganisms, especially in the fields of microbial plant growth promoters and green synthesis of IAA (Indoleacetic Acid).

The invention discloses a treating agent for promoting rapid dormancy breaking of cotton seeds as well as a preparation method and application of the treating agent, and belongs to the technical field of crop planting. The treating agent is prepared from the following components: 0.1 to 0.7 mg / L of indoleacetic acid, 0.5 to 2 mg / L of thidiazuron (TDZ), 0.1 to 0.5 percent (m / v) of humic acid modified bentonite, 0.8 to 2.6 percent (m / v) of humus soil and the balance of water. The method has the beneficial effects that the germination index of the treated cotton is increased by 48.89%-77.78% compared with 6.67% of a control group (ck), which indicates that the germination speed of the treated cotton seeds is obviously increased. The cotton germination can be effectively promoted, and possibility is provided for effectively resisting the adverse situation in the cotton seedling stage.

This invention relates to the construction and staining application of recombinant Escherichia coli for synthesizing indoleacetic acid ester. The recombinant Escherichia coli for synthesizing indoleacetic acid ester is obtained by using recombinant Escherichia coli MG1655ΔpheAΔtrpRΔtyrAΔyddGΔarsB::tac70-MaFMOΔldhA::tac70-MaFMOΔyghWX::tac70-tnaAΔpoxB::tac70-cav1 as the initial strain. Then, the endogenous acetylesterase is knocked out, and the endogenous tryptophan hydrolase gene tnaA and the flavin monooxygenase gene maFMO are overexpressed, while simultaneously overexpressing the acetyltransferase gene. The indoleacetic acid ester yield of this invention is as high as 195.3 mg / L. Using indoleacetic acid ester for staining eliminates the need for reducing agents and enzyme solutions, significantly reducing staining costs.

The invention belongs to the technical field of agriculture, and particularly relates to a degerming and seedling formation solution, a preparation method, an application method and a method for promoting seed germination and seedling formation. The degerming and seedling formation solution provided by the invention comprises gibberellic acid, indoleacetic acid, naphthylacetic acid, coptis chinensis and carbendazim, and the combination of coptis chinensis extract, carbendazim and growth hormone (gibberellic acid, indoleacetic acid and naphthylacetic acid) in a specific proportion has a synergistic inhibition effect on alternaria alternata and has a promotion effect on seed germination and seedling formation. The invention provides the preparation method of the degerming and seedling forming solution, and the application is simple. According to the application method of the degerming and seedling forming solution, the operation steps are simple, convenient and efficient, and the seedling forming efficiency is remarkably improved. The result of the embodiment shows that the germination rate of the Sinojackia xylocarpa seeds reaches 100% after the optimal treatment is performed for 15 days, and the survival rate of the seed seedlings reaches 96.67% after the optimal treatment is performed for 30 days.

The invention relates to a meadow alkaline halophilic bacterium LH-SA-1 capable of absorbing sodium and reducing salt and alkali as well as a saline-alkali soil remediation microbial inoculum and application of the meadow alkaline halophilic bacterium LH-SA-1. The LH-SA-1 is separated from severe saline alkali soil in Jilin Baicheng, the classification name of the LH-SA-1 is Alkalihalophilus lindianensis, and the preservation number of the LH-SA-1 is CGMCC (China General Microbiological Culture Collection Center) No. 32707. The LH-SA-1 can tolerate 3%-45% of various salts such as sodium chloride, sodium sulfate, sodium carbonate and sodium bicarbonate and a strong alkali environment with the pH value of 9-12. The granular saline-alkali soil remediation microbial inoculum is prepared through composite sodium ion induced fermentation and double-membrane coupling concentration technologies in combination with a multifunctional carrier, the bacterial quantity is larger than or equal to 200 * 10 < 8 > CFU / g, and the catalase activity is larger than or equal to 130000 U / g. The microbial agent is applied to soda saline-alkali soil or coastal composite saline-alkali soil in northeast China, has multiple functions of remarkably reducing the saline-alkali content of the soil, improving the porosity of the soil, improving the activity of enzymes such as catalase, peroxidase, urease and alkaline phosphatase in the soil, improving the content of indoleacetic acid in the soil and the like, and provides an efficient and low-cost biological solution for saline-alkali remediation.

This invention discloses a method for preparing a new hesperidin, belonging to the field of organic chemical synthesis technology. The method has simple reaction conditions, is safe and environmentally friendly, and can obtain high-purity new hesperidin without purification after the reaction. The method includes the following steps: (1) Take root bark acetylphenyl-4'-β-neohesperidin, add n-butanol, isovalin and 3-indoleacetic acid, and heat to react; (2) After the reaction solution in step (1) has reacted completely, cool down; (3) Filter the cooled solution, wash the solid with n-butanol, and dry to obtain the finished product.

The invention provides a flower fertilizer prepared from traditional Chinese medicine residues and a process thereof, and relates to the technical field of organic fertilizers. The flower fertilizer is prepared from traditional Chinese medicine residues, coffee grounds, soybean meal, rice bran, a synergist, modified montmorillonite and straw, the traditional Chinese medicine residues are prepared from radix angelicae sinensis residues, fructus kochiae residues, radix sophorae flavescentis residues, fructus lycii residues, rhizoma phragmitis residues and herba violae residues, and the synergist is prepared from potassium humate, ammonium molybdate, zinc sulfate, indoleacetic acid and sodium polyacrylate. Through the specific components, dosage and preparation method, the prepared flower fertilizer can significantly improve plant diseases and insect pests, increase the growth speed of flowers and reduce the soil caking rate.

The present invention provides a propagation matrix and a propagation method for promoting spore production in arbuscular mycorrhizal fungi, comprising strigolactones and naphthaleneacetic acid. The present invention utilizes the synergistic effect of strigolactones and naphthaleneacetic acid, uses earthworm castings and peat as primary raw materials, and combines vermiculite, indoleacetic acid, humic acid, and calcium magnesium phosphate to prepare the arbuscular mycorrhizal fungi propagation matrix. The matrix effectively increases the root infection rate of arbuscular mycorrhizal fungi and the number of arbuscular mycorrhizal fungi spores produced. The arbuscular mycorrhizal fungi propagation matrix provided by the present invention is low-cost, simple to operate, and capable of large-scale production and application of arbuscular mycorrhizal fungi inoculants.