162results about How to "Increase plant height" patented technology

The invention relates to the technical field of plant genetic engineering, in particular to an application of an alfalfa MsPL19 protein and a gene thereof in regulating and controlling the plant height, fresh weight or biological yield of alfalfa. The invention provides an MsPL19 protein, a gene and application thereof, which can obviously improve the plant height, the biological yield and the fresh weight of medicago sativa and further improve the quality of the medicago sativa. Meanwhile, it is found that the MsPL19 protein and gene can respond to low temperature, drought, salt, hormone and other pathways, the protein interacting with MsPL19 is obtained through immunoprecipitation-mass spectrometry analysis, corresponding molecular modules can be enriched, the molecular mechanism of alfalfa MsPL19 responding to the low-temperature environment is analyzed, new cold-resistant varieties can be bred for alpine regions, and the application prospect is broad. And a new breeding direction is provided for increasing the yield of alfalfa.

The invention relates to the technical field of microorganisms, in particular to paenibacillus mucilaginosus HX-02 and application of the paenibacillus mucilaginosus HX-02 in promoting crop growth. The preservation number of the paenibacillus mucilaginosus HX-02 is CGMCC (China General Microbiological Culture Collection Center) No. 30949. The application comprises increasing one or more of the plant height, the branch number, the weight or the number of crops. According to the invention, the paenibacillus mucilaginosus HX-02 is obtained through screening and separation, and can decompose lattice structures of soil minerals to release K, Fe, Mg, Si, Al and Mo; secreting cytokinin, gibberellin, kinetin, indoleacetic acid and acetylsalicylic acid; therefore, the invention has important application value in the field of agricultural development.

The invention relates to the technical field of fertilizers, and discloses a fulvic acid fertilizer based on straw microbial fermentation and a preparation method and application thereof.The preparation method comprises the steps that straw is crushed and subjected to low-temperature plasma pretreatment, and pretreated straw is obtained; then, culturing the mixed microbial preparation to prepare a culture solution; then, the pretreated straw, a nutrient solution, a fermentation auxiliary agent and trichoderma are mixed for fermentation, and therefore a fermentation product is generated. The fermentation auxiliary agent is prepared from seaweed meal, bean flour, humus soil and molasses. And finally, carrying out solid-liquid separation on the fermentation product, and drying the separated solid part to finally obtain the fulvic acid fertilizer. Through combination of low-temperature plasma pretreatment and an innovative fermentation auxiliary agent, the preparation process of the fulvic acid fertilizer is optimized, the fertilizer efficiency of the fertilizer and the crop growth effect are improved, and meanwhile, the environment problem of agricultural waste is solved.

The invention relates to a microbial preparation containing arbuscular mycorrhizal fungi and application thereof, and belongs to the technical field of plant cultivation. According to the application disclosed by the invention, it is found that all of the glomus amarae, the rhizopus intro-rhizosporium, the glomus mosseae and the cyst macrosporium in the arbuscular mycorrhizal fungi can promote the growth of plants under the condition of double pollution of molybdenum and micro-plastics, and the plant height and the grain yield of the plants are effectively improved. Further experiments find that under the same condition, the effect is better than that of applying a single arbuscular mycorrhizal fungus inoculant when the near-phoma globosum, the rhizosporium intraradices and the glomus mosseae or the mixed inoculant of the near-phoma globosum, the glomus mosseae and the cyst macrosporium is applied. Furthermore, after beneficial bacteria and auxiliary materials are added into the mixed bacterial agent, the mixed bacterial agent has a better promoting effect on plant growth under the condition of double pollution of molybdenum and micro-plastics. The microbial preparation provided by the invention can reduce poison of microplastics and molybdenum to plants, so that the plants can normally grow under dual pollution.

The invention discloses a method for artificially cultivating moss crust in a Coilin sandy land, which comprises the following steps: collecting moss crust layers, drying the moss crust layers in the shade, crushing the moss crust layers into moss crust seed sources, and artificially cultivating the moss crust seed sources, litters and sandy soil according to a certain planting and adding mode. According to the method, a technical method is provided for cultivation of artificial moss crust in the Colexin sand land, cultivation of the moss crust is accelerated, the method is green and environment-friendly, meanwhile, different aspects of growth of the moss crust are promoted through different cultivation modes, and the method is suitable for popularization and application in the field of cultivation of artificial moss crust in the Colexin sand land. The invention discloses optimal cultivation modes for respectively promoting coverage, plant height and crust dry weight, and the optimal cultivation modes can be selected according to different requirements.

The invention discloses an application of a soybean SDR family gene GmGAE47 in cultivation. The invention discloses a cultivated soybean GmGAE47 protein coding gene GmGAE47. The nucleotide sequence of the cultivated soybean GmGAE47 protein coding gene is SEQ ID NO. 1. The constructed plant overexpression vector Pba002-GmGAE47 is subjected to heterologous expression in a wild type of arabidopsis thaliana, and it is found that a transgenic plant changes in the aspects of plant height, thousand seed weight and grain width characters. The gene can be introduced into a plant as a target gene, and the plant height and yield of the transgenic plant are regulated and controlled through the expression of the GmGAE47 gene. Therefore, the cultivated soybean GmGAE47 protein coding gene GmGAE47 disclosed by the invention can be applied to the aspects of regulating the plant height, increasing the thousand seed weight, the grain width and the like through genetic engineering.

The invention discloses a method for preparing an agricultural biostimulant containing fructooligosaccharide from molasses and application of the agricultural biostimulant, and relates to the technical field of agricultural planting of fruits. The agricultural biostimulant is prepared by fermenting cane molasses with aspergillus oryzae or aspergillus niger, and the specific fermentation method comprises the following steps: inoculating activated strains into a cane molasses diluent with the baume degree of 10-16oBX, and carrying out aerobic fermentation on a shaking table at 25-35 DEG C for 70-72 hours to obtain a strain seed solution; and inoculating the strain seed solution into cane molasses diluent with the baume degree of 20-80 oBX, carrying out aerobic fermentation on a shaking table at 40-55 DEG C for 70-72 hours, and sterilizing to obtain the strain. By controlling the types of fermentation strains, the baume degree of cane molasses, the fermentation temperature and the fermentation time, the obtained fermentation product has the effects of promoting the growth and development of crops and increasing the yield, and is suitable for popularization.

The invention belongs to the technical field of gene engineering, and relates to improvement of drought resistance of cotton, in particular to application and a method of a transcription factor GhTCP67 in improvement of the drought resistance of the cotton. According to the application, the transcription factor GhTCP67 is used as a drought negative regulation gene in cotton, and the plant height can be inhibited by knocking out the gene, but the drought resistance of the cotton can be enhanced. Therefore, the GhTCP67 can be used as a candidate gene for cultivating a cotton drought-resistant variety, and the gene is mutated from a genome level by utilizing a gene editing technology, so that a new cotton genetic germplasm with reduced plant height and enhanced drought resistance is obtained. According to the application, a new research idea is provided for cotton drought resistance research, and meanwhile, a cotton genetic material with enhanced drought resistance is also created. The invention further provides a recombinant plasmid constructed by using the DNA fragment and an obtained gene editing transgenic plant and seed.

The invention provides application of an OSK8 gene in promoting plant growth, and belongs to the field of molecular breeding. According to the application, the OSK8 gene is used for promoting plant growth. The invention provides an application of an OSK8 gene in promoting plant growth. The OSK8 gene promotes the plant height of seedlings and the growth of underground parts. Besides, the plant height of OE is greatly changed under the treatment of nitrate nitrogen with different concentrations, and the OE is sensitive to the change of the concentration of nitrate nitrogen, that is, the OSK8 gene affects the absorption of nitrogen, so that the OSK8 gene positively regulates and controls the growth of rice through nitrogen absorption, and an overexpression transgenic material of the OSK8 gene can improve the nitrogen fertilizer utilization efficiency.

The invention relates to the technical field of plant cultivation, in particular to a method for regulating and controlling precocious flowering of safflower by using a photoperiod. According to the method, safflower seedlings are cultured in a photoperiod environment of 20-hour illumination and 4-hour darkness, and flowering safflower plants are obtained. By adopting the method provided by the invention, the flower bud of the safflower can be successfully induced to differentiate in advance, the safflower can be promoted to bloom in advance, the growth state of the safflower is relatively good, and the method is an optimal photoperiod treatment condition for promoting the growth and development of the safflower and blooming in advance. The safflower treated by the method provided by the invention only needs 84 days from sowing to flowering, which is about 5 months earlier than that sown in autumn in the south in actual production, the growth cycle of the safflower is greatly shortened, and the plant height of the safflower plant is also higher than that of the safflower plant treated under the existing photoperiod condition and is two times that of the safflower plant treated under the photoperiod condition of 12h / 12h. The obvious difference is realized.

The invention discloses a biocontrol bacterium for preventing and treating soybean phomopsis longicolla caused by the phomopsis longicolla and application of the biocontrol bacterium, the biocontrol bacterium is named as Aspergillus qilianyuensis JSNL-ZJ66, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO.41157. The invention further discloses a preparation method of the biocontrol bacterium for preventing and treating the soybean phomopsis longicolla caused by the phomopsis longicolla. The strain is mainly applied to prevention and control of soybean pith seed rot caused by P.lon gilcola, the severity of the soybean pith seed rot can be remarkably reduced, and growth indexes such as the budding rate, the plant height and the fresh weight of the soybean pith seed rot are remarkably improved.

The invention belongs to the technical field of vegetable planting, and particularly relates to a seedling treatment composition and application thereof in improving stress resistance of solanaceous vegetables and promoting growth of the solanaceous vegetables. According to the method, solanaceous vegetable seeds are soaked in the seed treatment liquid obtained by dissolving the seedling treatment composition in water, the soaked seeds are subjected to dark culture, and the seedling treatment liquid is sprayed in the solanaceous vegetable seedling stage, so that the low temperature resistance of solanaceous vegetables can be effectively improved; the vigor of solanaceous vegetable seeds and the quality of seedlings under the low-temperature condition are improved. The test result shows that the seedling emergence potential, the seedling emergence rate and the seedling emergence index of the solanaceous vegetable seeds under the low-temperature condition can be improved and the average seedling emergence time can be shortened by using the seedling treatment liquid and culturing mode, and meanwhile, the chlorophyll content, the plant height, the root length and the fresh weight of the solanaceous vegetable seedlings under the low-temperature condition can be improved.

The invention discloses application of a gene MtPrx38 in regulation and control of growth, development and quality of forage grass. The method comprises the following steps: carrying out genome PCR (Polymerase Chain Reaction) identification to obtain homozygotes MtPrx38-1 and MtPrx38-2 of the medicago truncatula MtPrx38 gene mutant; the expression quantity of the MtPrx38 gene detected by RT-PCR (Reverse Transcription-Polymerase Chain Reaction) is obviously reduced, and compared with wild medicago truncatula, the peroxidase activity of the mutant homozygotes MtPrx38-1 and MtPrx38-2 is obviously reduced. Compared with wild medicago truncatula, the MtPrx38 gene mutant has the advantages that the root length, the lateral root number, the plant height, the branch number, the leaf area and the secondary branch number are obviously increased; the flowering time is advanced; the lignin content and the cellulose content are obviously reduced, which indicates that the gene MtPrx38 has the functions of regulating and controlling the growth, development and quality of forage grass. The method has application prospects in the aspects of promoting growth and development of forage grass, improving forage grass quality and the like.

The invention discloses application of a PdAKR2A gene in improving the photosynthetic rate and biomass of poplar, and belongs to the technical field of genetic engineering breeding of poplar. The overexpressed PdAKR2A gene is disclosed for the first time, the cambium cell layer number and xylem width of the poplar can be remarkably increased, the plant height and ground diameter of the poplar are further increased, and therefore the growth rate and biological yield of the poplar are increased; the net photosynthetic rate, stomatal conductance, transpiration rate and chlorophyll content of the poplar can be obviously improved; the lignin and cellulose content of the poplar can be obviously improved; the provided PdAKR2A gene can be used as a candidate gene for cultivating a new variety of poplar which is higher in growth rate and better in quality, and has important significance on promoting sustainable development of forestry in China and relieving supply and demand tension of the wood market.

The invention relates to the technical field of microorganisms, in particular to fusarium and application thereof in promoting blueberry growth. The fusarium is classified and named as Fusarium sp., the strain number of the fusarium is NX1, the fusarium is preserved in the China General Microbiological Culture Collection Center on June 26, 2024, and the preservation number of the fusarium is CGMCC No. 41384. The strain has the capability of obviously promoting the growth of blueberries, and can be cooperated with Alternaria alternata sp.CS9 to further promote the growth of blueberry seedlings, so that an ideal strain resource is provided for developing efficient biological fertilizers or microbial preparations.

The invention belongs to the technical field of agriculture, and relates to an Ectoin-containing salt-alkali-resistant, high-temperature-resistant and growth-promoting composition as well as a preparation method and application thereof. The composition is prepared from the following components in parts by weight: 12 to 15 parts of aloin, 6 to 10 parts of Ectoin, 10 to 15 parts of seaweed extract, 10 to 15 parts of gamma-aminobutyric acid, 3 to 4 parts of polyvinyl alcohol, 2 to 3 parts of sodium dodecyl benzene sulfonate, 3 to 4 parts of tween-20, 5 to 8 parts of glyceryl alcohol, 5 to 8 parts of ethyl salicylate, 5 to 10 parts of chitosan oligosaccharide and 45 to 50 parts of water. The composition disclosed by the invention can be used for remarkably improving the stress resistance of crops, relieving the membrane damage of saline-alkali and high-temperature stress to the crops, enhancing the activity of antioxidant enzymes in crop leaves under the saline-alkali and high-temperature stress and promoting the growth of the crops under the saline-alkali and high-temperature stress conditions.

The present invention discloses a new use of ccdC gene, and belongs to the technical field of microbial genetic engineering. The new use of ccdC gene disclosed by the present invention is to improve the motility of strains, reduce the wrinkling of bacterial biofilms, destroy the stability of biofilm structures, promote bacterial dispersion, promote spore formation, inhibit the growth of Nicotiana benthamiana, and inhibit the secretion of indoleacetic acid by strains; the nucleotide sequence of the ccdC gene is shown in SEQ ID NO.1. The present invention also discloses a ccdC gene mutant strain SZZ06. Compared with the wild type FZB42, the ccdC gene mutant strain SZZ06 of the present invention has reduced motility of strains, greater wrinkling of biofilms, more stable structure of biofilms, slower bacterial dispersion, less spore formation, and promotes the secretion of indoleacetic acid by strains and promotes plant growth.

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

The invention discloses a growth-promoting streptomyces strain with saline-alkaline tolerance and application thereof, and belongs to the technical field of microorganisms. In order to excavate streptomyces capable of improving the saline-alkali stress resistance of alfalfa, a strain of Streptomyces Beauvianus Jrh8-9 is screened from rhizosphere soil of ranunculus japonicus growing in saline-alkali soil, and a saline-alkali tolerance experiment, a germination accelerating experiment and a potting experiment prove that the Streptomyces Beauvianus can survive and grow in a high-salt and high-pH environment, and the Streptomyces Beauvianus Jrh8-9 has the advantages that the Streptomyces Beauvianus Jrh8-9 can be used for improving the saline-alkali stress resistance of alfalfa; and germination of alfalfa seeds and growth of alfalfa seedlings under saline-alkali stress can be promoted. In addition, under the non-stress condition, the strain Jrh8-9 also has a certain promotion effect on the growth of alfalfa seedlings. The invention provides a valuable strain resource for promoting the growth of alfalfa under saline-alkali stress.

The invention belongs to the field of fertilizers, and particularly relates to a paenibacillus polymyxa type bio-organic fertilizer which comprises the following components in parts by weight: 5-15 parts of rice straw, 10-20 parts of walnut green seedcase, 35-45 parts of biogas residue, 2-8 parts of chicken manure, 2-8 parts of sheep manure, 3-7 parts of zymophyte, 6-10 parts of paenibacillus polymyxa fermentation liquor, 4-9 parts of humic acid, 2-6 parts of zinc sulfate and 2-6 parts of borax. The biological organic fertilizer disclosed by the invention can be used for preventing and treating watermelon fusarium wilt and increasing the stem diameter and plant height of watermelons; and the method is environment-friendly.

The invention relates to the technical field of microorganisms, and particularly provides bacillus amyloliquefaciens and application thereof in relieving salt stress of scleroderma plants. The preservation number of the bacillus amyloliquefaciens is CCTCC (China Center For Type Culture Collection) CNO: M 20242154; the nucleotide sequence of the bacillus amyloliquefaciens is as shown in SEQ ID NO. 1. Compared with the prior art, the bacillus amyloliquefaciens PG-4 provided by the invention can improve the osmotic regulation capability of the sclerodera plant seedlings under salt stress, enhance the tolerance to the salinized environment and promote the growth of the sclerodera plant seedlings under salt stress.

The invention relates to the technical field of fertilizers, in particular to a special carbon-based microbial organic-inorganic compound fertilizer for sunflowers. The special carbon-based microbial organic-inorganic compound fertilizer for sunflowers is prepared by mixing and granulating microorganism-loaded biomass charcoal, urea, decomposed cow dung and deionized water, the microorganism-loaded biomass charcoal is obtained by carboxylating biomass charcoal, grafting trehalose and loading microorganisms; the prepared special carbon-based microbial organic-inorganic compound fertilizer for sunflowers can obviously reduce the pH value of soil, improve the acid-base balance of the soil and provide a more suitable soil environment for the growth of the sunflowers.

The invention provides a preparation method of detoxified sweet potato seedlings, which comprises the following cultivation steps: cleaning sweet potatoes, putting the sweet potatoes in a degerming solution for accelerating germination, disinfecting new stem tips, and putting the stem tips in a culture medium I for culture to obtain sweet potato stem tips; when 4-5 leaves grow on the stem tips of the sweet potatoes, stem tip meristem tissue is inoculated into a culture medium II and cultured into 8-9 stem segments, and sweet potato seedlings are obtained; sweet potato seedlings are transplanted to a seedling raising plate containing a nutrient medium and cultured for 30-35 days in an artificial climate chamber, and the seedlings are transplanted to soil for breeding. According to the preparation method of the detoxified sweet potato seedlings, the growth condition of the sweet potato seedlings is remarkably improved, the plant height, the root system number and the root system length of the sweet potato seedlings are increased, the net photosynthetic rate (Pn) and the stomatal conductance (Gs) of the detoxified sweet potato seedlings are remarkably improved, and healthy growth of sweet potatoes in the seedling stage is facilitated.

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.

The present invention belongs to the field of microorganisms, and specifically discloses a strain of Sphingobacterium shellycum and its application. The Sphingobacterium shellycum (Sphingobacteriumputeale) strain TYQ6 was deposited in the General Microbiology Center of China Microorganism Culture Collection Administration on April 27, 2023, with a deposit number of CGMCC.27215. The applicant found through experiments that the above-mentioned Sphingobacterium shellycum can secrete auxin, which can promote the growth of cucumber seedlings. It also has the ability to enhance the cucumber seedlings' ability to resist drought, interfere with the tropism migration of nematodes, and kill nematodes; therefore, the above-mentioned Sphingobacterium shellycum has broad application prospects in agricultural production.

This disclosure relates to a compound composition comprising stearic acid and moclobemide, which can effectively improve the drought resistance of crops and promote crop growth and development under drought stress. This disclosure also provides uses of the composition and methods for improving crop growth and development under drought stress.

The invention provides a microalgae nutrient solution and application thereof, and belongs to the technical field of agriculture. The invention provides a microalgae nutrient solution. The microalgae nutrient solution comprises nitrogen-fixing blue-green algae and photosynthetic nutrient green algae, the content of algae single cells in the microalgae nutrient solution is greater than or equal to 1.0 * 10 < 6 >. The microalgae nutrient solution provided by the invention, as a microalgae fertilizer, can significantly improve the activities of urease, sucrase and catalase in soil and reduce the activity of polyphenol oxidase in the soil; the content of alkali-hydrolyzable nitrogen in soil is increased, and the nitrogen fertilizer absorption amount of beet is improved; the richness of soil microbial communities can be increased, and the number of actinomycetes and proteobacteria is increased; growth and development of the beet can be remarkably promoted, the plant height, fresh weight, leaf number, chlorophyll content and net photosynthetic rate of the beet can be improved, accumulation of dry matter of beet tuberous roots can be promoted, timely transfer of beet growth centers can be regulated, and then the yield and sugar yield of the beet can be increased.

The invention discloses application of bentonite-loaded calcium-iron layered double hydroxides in passivating cadmium in tomato plants. The application comprises the following steps: increasing the fresh weight and dry weight of the tomato plants planted in cadmium-polluted soil; the plant height and root length of tomato plants planted in the cadmium-polluted soil are improved; and passivating cadmium in tomato plants planted in the cadmium-polluted soil. The bentonite-loaded calcium-iron layered double hydroxide is prepared by the following method: dissolving bentonite, FeCl3. 6H2O and CaCl2 in deionized water, adding Na2CO3 and NaOH solutions while stirring, adjusting the pH to 11-13 to obtain a solid-liquid mixture, filtering after reaction to obtain a precipitate, washing with deionized water to be neutral, drying and grinding to obtain the bentonite-loaded calcium-iron layered double hydroxide. The research aims at repairing Cd-polluted soil, bentonite and layered double hydroxides widely existing in the nature are used as raw materials, CaFe-LDH (at) BT is prepared by using a coprecipitation method, and the content of available Cd in the soil can be effectively reduced by applying 0.4% of CaFe-LDH (at) BT; the dry weight and fresh weight of tomato plants are improved, the content of Cd in roots, stems, leaves and fruits of the tomato plants is effectively reduced, and the transfer coefficient of Cd in the tomato plants and the enrichment coefficient of overground parts are also reduced.

The invention relates to microbial agent activated low-grade coal gangue graded and quality-divided artificial soil, preparation and application. The artificial soil comprises a bottom structure supporting layer, and a nutrition activation layer is laid on the structure supporting layer; the structure supporting layer adopts large-size-fraction low-grade coal gangue; the nutrition activation layer adopts a mixture inoculated with a microbial agent, and compost fermentation is performed after inoculation; the mixture is formed by mixing small-particle-grade low-grade coal gangue and local soil in equal proportion; a raised dust covering layer is arranged on the nutrition activation layer and adopts medium-grade low-grade coal gangue; the coal gangue nutrients are activated through the complex microbial inoculants, the coal gangue is divided according to the particle size, different grades of coal gangue and different treatment modes are adopted for different grades, and on the premise that the soil function is not affected, the cost can be reduced, the coal gangue absorption amount can be increased, and conversion from solid waste to artificial soil can be completed.

The application discloses a kind of fulvic acid hydrogen peptide biological stimulant hormone fertilizer and preparation method thereof, belong to fertilizer technical field.Fertilizer is by 15~30 parts of fulvic acid, 5~12 parts of peony seed meal small molecule peptide, 20~35 parts of potassium dihydrogen phosphate and other components compound, water is made up to 100 parts, and auxiliary agent is emulsifier and chelating agent compound.Preparation first by dissolving fulvic acid, potassium phosphate in water and obtaining mixed solution, then adding small molecule peptide and auxiliary agent and stirring until the system is stable;Small molecule peptide is prepared by peony seed meal defatted powder crushing and enzymolysis, solves the problem of traditional fertilizer nutrient antagonism, unstable system, and the utilization of peony seed meal also improves resource utilization.Tomato, cucumber seedling test shows that it can significantly improve the growth index of crop root system and aboveground part, and the root-promoting and seedling-strengthening effect is better than that of similar fertilizer on the market, and the preparation process is simple, easy to industrialization, and has good agricultural application prospect.