296 results about "Indole acetic acid" patented technology

The invention belongs to the technical field of microorganisms, and particularly relates to a Prlisteria ataveovii strain and application thereof. The invention provides a Pichia aryabhattai B8, which is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms, the preservation date is September 10, 2024, and the preservation number is CGMCC No.31932. The Pichia aryabhattai B8 disclosed by the invention has the advantages that the Pichia aryabhattai B8 can be used for preparing the Pichia aryabhattai B8; the prelisteria aryabhattai B8 disclosed by the invention has a relatively strong function of producing indoleacetic acid, and the content of indoleacetic acid in plants can be increased, so that the stress resistance of the plants is improved; dissolution of insoluble phosphorus and potassium in soil can be promoted, soil nutrients are improved, plant growth is promoted, and plant quality is improved; and meanwhile, the P.aryabhattai B8 has a certain antagonistic effect on pathogenic bacteria of the wheat root rot, and can be used for preventing and treating the wheat root rot.

The invention provides a salt-alkali-tolerant endophytic bacillus subtilis strain and application thereof in improvement of saline-alkali soil, and belongs to the technical field of biological bacteria. According to the invention, a salt and alkali tolerant endophytic bacillus strain NXO3 is obtained from stems and leaves of suaeda salsa, and is identified as bacillus subtilis (bacillus subtilis); the strain has the capabilities of dissolving phosphorus, fixing nitrogen and generating indoleacetic acid (IAA) and polyglutamic acid, and has a remarkable inhibition effect on a plurality of plant pathogenic bacteria such as fusarium neosporum, colletotrichum gloeosporioides, fusarium graminearum, fusarium oxysporum and cavity microsporum. The agricultural microbial agent containing 0.3 billion / g of NXO3 is prepared through formula optimization. The bacillus subtilis NXO3 has a remarkable saline-alkaline tolerance function, a plant growth promoting effect and a biocontrol effect on plant diseases, and the emergence rate and the yield of crops in saline-alkaline land can be increased.

The invention discloses a saline-alkaline tolerant growth-promoting bacillus velezensis AH216 and application thereof, and belongs to the technical field of microbiology and biologica.Bacillus velezensis AH216 is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC No: M 20241496. The saline-alkaline tolerant growth-promoting bacillus velezensis AH216 has the advantages that the saline-alkaline tolerant growth-promoting bacillus velezensis AH216 can be used for preparing saline-alkaline tolerant growth-promoting bacillus velezensis AH216; the bacillus velezensis AH216 provided by the invention can inhibit the growth of pathogenic bacteria of cotton fusarium wilt, and has the growth promoting functions of dissolving potassium, generating indoleacetic acid, cellulase, protease, siderophore and the like; meanwhile, the bacillus velezensis AH216 can tolerate a highly saline-alkaline environment, can improve agronomic characters such as the plant height, the biomass and the leaf area in the corn seedling stage in common soil and saline-alkaline soil, and can promote the development of a corn root system.

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 bacillus AH83 capable of resisting saline and alkaline and promoting growth and application thereof, and belongs to the technical field of microbiology and biology, the bacillus AH83 is preserved in the China Center for Type Culture Collection with the preservation number of CCTCC No: M 20241495, and the bacillus AH83 is preserved in the China Center for Type Culture Collection with the preservation number of CCTCC No: M 20241495. The AH83 provided by the invention is a new species of bacillus, can inhibit the growth of pathogenic bacteria of cotton fusarium wilt, and has the growth promoting functions of dissolving potassium, generating indoleacetic acid, cellulase, protease, siderophore and the like; meanwhile, the AH83 can survive in a highly saline-alkaline environment, can promote agronomic characters such as plant height, biomass, leaf area and root development in a corn seedling stage when applied in saline-alkaline soil, can also increase soil nutrients and enzyme activity content, and has a promoting effect on lavender seed germination. The strain is of great significance in improving crop yield and stress resistance and developing novel agricultural microbial agents.

The invention provides a spiropolyspora roseus strain for preventing and treating root knot nematode disease, and the preservation number of the spiropolyspora roseus strain is CGMCC No.41822. The invention also provides a microbial inoculum containing the spiropolyspora pink strain, and the microbial inoculum is prepared by the following steps: inoculating a culture medium with the spiropolyspora pink HLF-14-11, and culturing until spores are produced; spores are eluted to prepare a spore suspension, or a bacterial block is cut to serve as a liquid fermentation inoculant; inoculating the inoculant into a liquid culture medium, and carrying out shake culture; and taking the fermentation liquor to prepare liquid, powder and granules. The spiropolyspora pink strain provided by the invention is separated from root-knot nematode oocysts of diseased tomatoes, can parasitize eggs of root-knot nematodes and inhibit incubation of the eggs, fermentation filtrate of the spiropolyspora pink strain has a relatively strong poisoning effect on second-stage larvae of the root-knot nematodes, and the fatality rate of the second-stage larvae reaches 89.1%. Meanwhile, the strain can produce auxin substances such as indoleacetic acid and the like, and plant growth and root development are promoted.

The invention discloses and relates to a strain capable of resisting saline and alkaline and producing IAA (Indoleacetic Acid). The strain is classified and named as bacillus atrophaeus, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO.29799. The strain is preserved in China General Microbiological Culture Collection Center on January 29, 2024. The bacillus atrophaeus HHQGTS13-1 can grow under the condition that the salt content is higher than 3%, can generate indoleacetic acid, cellulase, amylase, protease and ligninase, can inhibit various plant pathogenic bacteria, such as banana anthracnose, tomato gray mold, cotton verticillium wilt, rice sheath blight disease, wheat head blight, banana fusarium wilt, capsicum white spot and the like, and can be used for preparing the bacillus atrophaeus HHQGTS13-1. Particularly, the compound plays an important role in preventing and treating wheat scab, banana anthracnose and capsicum white spot. The strain can promote plant growth in a saline-alkali environment, and can be used for improving soil quality, developing special microbial fertilizers, microbial agents and biopesticides for saline-alkali soil, relieving crop salt stress damage and increasing crop yield.

The invention relates to the technical field of ecological agriculture, and discloses a phytase fungicide fertilizer as well as a production method and application thereof. 1-10 parts of a phytase high expression strain; 1-8 parts of a phytase solution; 1.7 to 9 parts of an embedding material; 3-8 parts of pH buffer particles; 10-30 parts of a micro-carbon carrier; 0.02 to 0.10 part of an indoleacetic acid microcapsule; and 30-60 parts of humus powder. The invention further provides a production method of the phytase fungicide fertilizer. The method comprises the following steps: S1, performing liquid fermentation on a phytase high-expression strain; s2, mixing the thalli with an enzyme solution; s3, adding pH buffer particles into the embedded particles; s4, drying the granules in a spray drying manner; and S5, mixing the dried product with humus powder, and granulating. By constructing a microbial inoculum system containing a phytase high-expression strain, efficient activation and conversion of organic phosphorus resources are realized, and the release efficiency of the fertilizer to phosphorus resources is improved.

The invention belongs to the technical field of microorganisms, and particularly relates to a Prlisteria megatherium strain and application thereof. The invention provides a strain of Pristeria megaterium A3, and the preservation number of the Pristeria megaterium A3 is CGMCC (China General Microbiological Culture Collection Center) No. 31931. The prelisteria megatherium A3 can generate indoleacetic acid (IAA), and can directly promote the elongation of a plant root system, so that the opportunity that a plant is in contact with nutrient substances in soil is increased, the content of endogenous IAA in a plant body is increased, the expression of a plant defense gene is induced, and the stress resistance such as disease resistance and drought resistance of the plant body is improved. Meanwhile, the prelisteria megatherium A3 disclosed by the invention has phosphorus solubilizing capacity, and can convert phosphorus which is difficult to utilize into available phosphorus, so that the content of available phosphorus in soil is increased. In addition, the prelisteria megatherium A3 also has potassium dissolving capacity, and can improve the utilization rate of the fertilizer and promote the growth and development of plants and the absorption of the fertilizer.

The invention relates to bacillus velezensis CGMCC (China General Microbiological Culture Collection Center) No.32593 as well as preparation and application of a microbial agent of the bacillus velezensis, and belongs to the technical field of microorganisms. The strain disclosed by the invention has the effects of dissolving phosphorus, dissolving potassium, fixing nitrogen and producing indoleacetic acid (IAA) at the same time. The method comprises the following steps: inoculating bacillus velezensis CGMCC No.32593 into an LB liquid culture medium, and fermenting by using a 5L fermentation tank to obtain the liquid microbial agent. The microbial agent provided by the invention is simple in preparation method and convenient for industrial production. By applying the liquid microbial agent, the plant height of tomatoes and the fresh weight of overground parts can be effectively increased, and the utilization rate of soil phosphorus in crop production is increased.

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 relates to the technical field of microorganisms and particularly discloses paenibacillus mucilaginosus as well as a microbial agent and application thereof. The preservation number of the paenibacillus mucilaginosus N-002 is CGMCC (China General Microbiological Culture Collection Center) No.32752, and the preservation number of the paenibacillus mucilaginosus N-002 is CGMCC No.32752. The paenibacillus mucilaginosus N-002 provided by the invention can produce a urease inhibitor and indoleacetic acid at high yield and has no denitrification effect, the urease inhibitor produced by the paenibacillus mucilaginosus N-002 can reduce the urease activity of soil, significantly reduce the ammonia emission and nitrous oxide emission of the soil, especially after a nitrogen fertilizer is applied, is beneficial to soil nitrogen element maintenance, improves the fertilizer efficiency of the nitrogen fertilizer, and has a good application prospect. Meanwhile, the influence of emission of ammonia and nitrous oxide on the environment is reduced; the strain has no denitrification effect, and can increase the proportion of non-denitrifying bacteria in soil and reduce the denitrification effect of the soil after being applied to the soil, so that the emission of nitrous oxide in the soil is reduced, and environmental protection is facilitated.

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 a plant growth-promoting rhizobacteria. The preservation number of the plant growth-promoting rhizobacteria is GDMCC No: 65494. Through rhizosphere soil microorganism sampling of Gannan navel oranges, the strain G41 with the characteristics of producing indoleacetic acid, producing siderophores and solubilizing phosphorus is successfully separated out. Furthermore, pot experiments verify that the strain group is inoculated, so that the plant height, stem diameter, biomass, chlorophyll content and antioxidant enzyme activity of navel orange seedlings are increased, and the strain has an excellent growth promoting effect. Through strain identification, the strain is formally named as the bacillus subtilis G41, and the bacillus subtilis G41 is named as the bacillus subtilis G41. In particular, it is worth mentioning that the strain has rich gene resources, 32 genes related to growth promoting characteristics are excavated from the gene level, and the genes are widely distributed in key processes such as indoleacetic acid biosynthesis, siderophore biosynthesis and transport and phosphorus circulation.

The invention belongs to the field of biological medicines, and particularly relates to application of loganic acid in preparation of a medicine for treating arthritis. Specifically, through experimental research of a collagen-induced arthritis mouse model, the loganin acid is found to be capable of remarkably relieving arthritis symptoms, relieving joint swelling, synovitis and cartilage injury in a dose-dependent manner, and reducing the levels of proinflammatory factors TNF-alpha and IL-6 in plasma. By further combining 16S rRNA sequencing analysis, the loganic acid can remarkably regulate the intestinal microbiota structure of arthritis mice, increase the abundance of Lactobacillus murinus in the intestinal tract and promote the generation of tryptophan metabolite indole-3-acetic acid, so that the effect of resisting rheumatoid arthritis is achieved through an intestinal flora dependent mechanism. Therefore, the invention provides a new application of loganin acid in preparation of a medicine for treating arthritis, and the compound has further research and application values as a potential small molecule medicine.

The invention belongs to the field of microorganisms, and relates to bacillus velezensis A111 and application thereof. The bacillus velezensis A111 disclosed by the invention can resist saline and alkaline, and has a relatively good inhibition effect on phytophthora capsici and ralstonia solanacearum. The bacillus velezensis A111 also has relatively strong capability of producing cellulase, amylase, protease, ACC deaminase and indole-3-acetic acid (IAA), and has a relatively good growth promoting effect on tomatoes, and a fungicide prepared from the biocontrol bacterium does not cause pollution to the ecological environment in the use process, and is pollution-free. By using the biocontrol bacterium disclosed by the invention, the dosage of other chemical pesticides can be reduced, the prevention and control cost of tomato diseases is reduced, the tomato growth is promoted, and the biocontrol bacterium has a good popularization value.

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 belongs to the technical field of microorganisms, and particularly relates to an arthrobacter strain and application thereof. The invention provides an arthrobacter strain Arthrobacter pokaliiC2, which is preserved in the China General Microbiological Culture Collection Center (CGMCC) on September 10, 2024, the preservation date is CGMCC No.31933, and the preservation number is CGMCC No.31933. The arthrobacter strain provided by the invention has the advantages that the arthrobacter strain can be used for preparing a bacterial strain; the arthrobacter strain C2 disclosed by the invention has a relatively strong function of producing indoleacetic acid, and the content of indoleacetic acid in plants can be increased, so that the stress resistance of the plants is improved; dissolution of insoluble phosphorus and potassium in soil can be promoted, soil nutrients are improved, plant growth is promoted, and plant quality is improved; meanwhile, the arthrobacter strain C2 has a certain antagonistic effect on bitter gourd fusarium wilt pathogenic bacteria and can be used for preventing and treating bitter gourd fusarium wilt.

The invention belongs to the field of microorganisms, and particularly relates to bacillus velezensis with high stress resistance, bacterial powder, a biocontrol microbial inoculum and preparation and application thereof. The bacillus velezensis is bacillus velezensis Shannan.BV80-12 and is preserved in the China Center for Type Culture Collection, and the preservation number of the bacillus velezensis is CCTCC (China Center for Type Culture Collection) NO: M 2024386. The bacillus velezensis Shannan.BV80-12 provided by the invention has relatively strong tolerance to drought, and has the capability of producing indoleacetic acid (IAA). Meanwhile, the bacterial strain also has a broad-spectrum antibacterial ability, and has a relatively strong inhibition effect on fusarium graminearum, alternaria alternata, magnaporthe oryzae, bipolaris maydis, exserohilum turcicum, sclerotinia sclerotiorum, physalospora piricola, alternaria solani and citrus brown rot pathogen.

The invention provides application of 3-indoleacetic acid combined with temozolomide in resisting brain glioma, and belongs to the field of biological medicine. Wherein the 3-indoleacetic acid can significantly enhance the inhibition effect of temozolomide on brain glioma cells in a short period and a long period, and can significantly enhance the apoptosis induction effect of temozolomide on the brain glioma cells, and after the 3-indoleacetic acid and temozolomide are applied to a brain glioma animal model, the 3-indoleacetic acid and temozolomide are combined, so that the inhibition effect of temozolomide on brain glioma cells is obviously improved. The 3-indoleacetic acid and temozolomide can obviously inhibit the development of brain glioma and relieve weight loss caused by temozolomide administration, so that the 3-indoleacetic acid and temozolomide have the potential of being developed into the anti-brain glioma medicine.

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 belongs to the technical field of microorganisms, and particularly relates to application of marine phycobacterium LZ-14T in production of indole-3-acetic acid. According to the present invention, the interphycobacterium LZ-14T is named as Maricatenella alexandrii gen. Nov., sp. Nov. The present invention discovers that the interphycobacterium LZ-14T can achieve the effect of significantly inhibiting the synthesis of the PSP toxin by releasing the IAA signal molecule under the condition of promoting the growth of the host algae. The new discovery can provide a new theoretical basis for analyzing the generation mechanism of paralytic shellfish poison of alexandrium chainchain and exploring scientific prevention and control of red tide. The invention also finds that the IAA produced by the phycobacterium LZ-14T can inhibit the growth of escherichia coli, and the result lays a foundation for the preparation of new antibacterial drugs.

The invention provides a water culture nutrient solution containing a growth regulator and a water culture method for grape cuttage, and belongs to the technical field of plant growth regulators. The hydroponic nutrient solution provided by the invention is prepared from the following components in mass concentration: 1.0 to 1.5 g / L of 1 / 2 Hoagland, 20 to 30 g / L of cane sugar, 0.4 to 0.6 g / L of indoleacetic acid, 2.5 to 3.5 g / L of indolebutyric acid, 0.8 to 1.2 g / L of naphthylacetic acid and 1.8 to 2.2 mg / L of zeatin. Indoleacetic acid, indolebutyric acid, naphthylacetic acid and zeatin in the hydroponic nutrient solution can synergistically promote rooting of grape cuttings, and the rooting rate reaches up to 98%. The preparation method of the hydroponic nutrient solution is simple and convenient, and is suitable for large-scale popularization and application.

The invention discloses bacillus licheniformis and application thereof, and relates to the technical field of microorganisms, the bacillus licheniformis is named as bacillus licheniformis ZY3, the preservation number of the bacillus licheniformis ZY3 is CCTCC NO: M 20241959, the preservation time is September 11, 2024, and the preservation address is China Center for Type Culture Collection. The bacillus licheniformis ZY3 can be used for efficiently reducing exogenous inorganic selenium into nano-selenium, is a non-tryptophan-dependent strain, has high indoleacetic acid secretion capacity and can be used for preparing fertilizers.

The invention provides a strain of Ralstonia sp. YNK-FB0054 as well as a microbial agent and application thereof, and belongs to the technical field of biology, the strain is Ralstonia wenshanensis, and the preservation number of the strain is CCTCC NO: M 2025293. The strain provided by the invention has the functions of dissolving zinc, fixing nitrogen, decomposing organic phosphorus, dissolving inorganic phosphorus, producing iron carriers and producing indoleacetic acid. The strain and the fungicide taking the strain as the effective active component can promote the germination of plant seeds and the growth of plants, and have high application value.

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 present invention relates to a (Rhodopseudomonas telluris DAEJI-NZ23 strain with accession number KACC81302BP, which exhibits nitrogen fixation capability, produces indole acetic acid (IAA), and has activities of reducing greenhouse gas, promoting plant growth, and secreting extracellular enzymes, and uses thereof. The strain of the present invention can be advantageously utilized in the technical field of greenhouse gas reduction, and is expected to increase crop yield while reducing excessive use of agricultural chemicals.

The invention provides a method for increasing the yield of indole-3-acetic acid through a streptomyces scabies SCAB31831 gene, which comprises the following steps: deleting the SCAB31831 gene in streptomyces scabies through a genetic engineering way to obtain an indole-3-acetic acid high-yield engineering strain, and fermenting the strain to produce the indole-3-acetic acid. Wherein the sequence of the SCAB31831 gene is as shown in SEQ ID NO. 1. The invention also provides an application of the method in preparation of an indole-3-acetic acid high-yield microbial preparation, and provides an indole-3-acetic acid high-yield freeze-dried bacterial powder. According to the invention, the SCAB31831 gene negatively related to the biosynthesis of the indole-3-acetic acid is identified, and the gene is deleted in streptomyces scabies, so that the indole-3-acetic acid high-yield strain and freeze-dried bacterial powder based on the strain are obtained, and a technical support is provided for improving the fermentation yield of the indole-3-acetic acid in industrial production.

The invention relates to the technical field of organic water-soluble fertilizers, and discloses an amino acid organic water-soluble fertilizer and a preparation method thereof. The amino acid organic water-soluble fertilizer is prepared from the following components in parts by weight: 40 to 50 parts of amino acid concentrate, 10 to 15 parts of organic matter, 20 to 25 parts of macroelements, 5 to 8 parts of medium elements, 3 to 5 parts of polyaspartic acid, 4 to 6 parts of microelements, 0.4 to 0.6 part of beneficial microbial agent and 2 to 4 parts of quaternary ammonium salt-based silicon dioxide. 0.2 to 0.3 part by weight of indoleacetic acid and 0.5 to 1 part by weight of a synergist. The amino acid organic water-soluble fertilizer uses waste animal and plant proteins as raw materials, has environmental protection property and low cost, and is superior to commercially available products depending on chemical synthesis of amino acid; through a multi-step enzymolysis (alkaline protease + acidolysis + papain / cellulase) process, waste protein is efficiently converted into micromolecular amino acid, the limitation of traditional single-enzyme hydrolysis is broken through, more comprehensive free amino acid is released, and the plant absorptivity is remarkably improved.

The invention discloses a method for improving the grafting survival rate of castanopsis hystrix, and belongs to the technical field of seedling breeding. The method comprises the following technical steps: (1) stock selection; (2) stock treatment; (3) scion selection; (4) scion treatment; (5) grafting; and (6) fertilization management after grafting. According to the method, the agent A containing the water-soluble compound fertilizer, the indoleacetic acid and the chlorin iron is used for treating the stocks, the agent B containing the indoleacetic acid, the chlorin iron and the manganese sulfate is used for treating scions, scion growth can be promoted, stress resistance can be improved, the healing speed of grafting unions can be increased, the grafting survival rate can be increased, and the budding speed can be increased; the problems of low grafting survival rate and slow budding in the castanopsis hystrix grafting process are solved, and unified management of nursery stocks in the later period and construction of a castanopsis hystrix clonal seed orchard are facilitated.