430 results about "Growth regulator" patented technology

The invention provides a method for increasing the growth rate of a citrus breeding material, and relates to the field of agricultural science. The method for improving the growth rate of the citrus breeding material comprises the following steps: selecting high-quality seedlings, and selecting citrus seedlings with excellent hereditary characteristics as the breeding material; the soil environment is optimized, the soil structure is improved, and the soil organic matter content is increased; nutrition management: formulating a scientific fertilization scheme including the proportion and the application amount of nitrogen, phosphorus, potassium and trace elements; according to the application of the growth regulator, the plant growth regulator is used for promoting cell division and elongation; disease and pest control: combining biological control and chemical control to control the occurrence of diseases and pests, and regularly monitoring the disease and pest conditions; environment regulation and control: temperature, humidity and illumination conditions are controlled, and a suitable growth environment is created. A scientific fertilization scheme is formulated according to the soil nutrient condition and the nutritional requirements of the citrus, and sufficient nutrients are ensured to be obtained in each growth stage, so that the growth rate is remarkably increased.

The invention discloses a growth regulator for promoting colonization of plant rhizosphere microorganisms and application of the growth regulator to crops, a preparation method of the growth regulator comprises the following steps: S1, dropwise adding an aqueous solution of modified chitosan and a compound bacteria solution into a saturated boric acid solution of 1-2% calcium chloride, crosslinking and curing for 3-4 hours, washing with sterile water for 3-5 times, and drying to obtain the growth regulator for promoting colonization of the plant rhizosphere microorganisms; immobilized microorganisms are obtained; s2, sequentially adding nanocellulose crystals, sodium polyaspartate and organic fertilizer into the enteromorpha extracting solution, uniformly stirring and mixing, adding immobilized microorganisms, uniformly mixing, granulating, coating with modified chitosan, and drying to obtain the growth regulator. Through step-by-step design of microorganism immobilization, nutrition compounding and chitosan coating, function integration of microorganism protection, nutrition release and environmental response is achieved, the colonization efficiency of rhizosphere microorganisms is remarkably improved, the soil microenvironment is improved, and finally comprehensive improvement of plant growth and stress resistance is achieved; and the method has relatively high social use value and application prospect.

The present disclosure concerns a plant growth regulator comprising thiophene acetic acid. The present disclosure also concerns a method of regulating growth of plants, the method comprising preparing a plant growth regulator comprising thiophene acetic acid and contacting the plants with the plant growth regulator.

The invention discloses a special growth regulator for pepper based on compounding of propionyl brassinolide and amino-oligosaccharin and application of the special growth regulator, and belongs to the technical field of agricultural biology. According to the regulating agent, 0.0008 to 0.0012 percent of propionyl brassinolide and 2.95 to 3.05 percent of amino-oligosaccharin are accurately matched with each other. The formula breaks through the contradiction between the root promotion requirement of high-dose amino-oligosaccharin and the safety threshold of low-dose brassinolide, and overcomes the phytotoxicity risk of the traditional dosage form. The regulator prepared by the invention can enhance the growth vigor of the pepper, improve the product and quality of the pepper, and also can effectively prevent viral diseases of the pepper.

The invention relates to a preparation method and application of a nano plant growth regulator, in particular to a nano plant growth regulator containing mepiquat chloride and prohexadione calcium, which is prepared from the following raw materials in 1000 parts by weight: 50 to 300 parts by weight of mepiquat chloride, 30 to 150 parts by weight of prohexadione calcium, 40 to 400 parts by weight of auxiliaries and the balance of water. Wherein the weight ratio of mepiquat chloride to prohexadione calcium is 2: 1. The nano plant growth regulator provided by the invention reduces the particle size of pesticide, enhances the permeability of the pesticide, is beneficial to crop absorption, reduces the usage amount of the pesticide, improves the pesticide effect, is safe to crops, has a very good promotion effect on wheat yield increase, and also can improve the quality of wheat.

The invention provides a cultivation method of ornamental small ginger, and relates to the field of plant cultivation, and the method comprises the following steps: tissue culture seedling cultivation: adopting a culture medium comprising a basic culture medium, a plant growth regulator, an organic additive, an antioxidant and trace elements for cultivation to obtain tissue culture seedlings. Performing potting cultivation: transferring the tissue culture seedlings into a potting container on which a mixed substrate is uniformly laid, and performing cultivation, wherein the mixed substrate comprises charcoal particles, modified zeolite particles, a mycorrhizal fungus inoculant, gelatin slow-release particles, fermented soybean meal and graphene modified cellulose; in the cultivation process, irrigation, fertilization and environment regulation and control are carried out regularly. According to the method, high-quality tissue culture seedlings are obtained by using a culture medium with specific components, and growth balance of ginger plants is adjusted and overgrowth of the plants is inhibited by adjusting a planting matrix and regulating and controlling a specific culture method, so that small potted ginger plants for ornamental use are obtained.

The invention relates to the technical field of microbial agents, and discloses a rapid straw decomposition microbial agent, which comprises the following raw materials by weight: 10-30% of a microbial strain, 5-15% of a nutrient substance, 40-70% of a carrier, 2-4% of a stabilizer, 1-2% of a pH regulator, 1-2% of an enzyme preparation, and 1-2% of a plant growth regulator. The microbial agent disclosed by the invention contains nutrient substances, a stabilizer, a pH regulator, an enzyme preparation and a plant growth regulator, and the nutrient substances are beneficial to rapid propagation and efficient metabolism of microbial strains, so that the overall effect of the microbial agent is improved; the stability and activity of the microbial inoculum can be maintained through the stabilizer, the microbial inoculum is prevented from being stored and transported, and the shelf life of the microbial inoculum can be prolonged; through the plant growth regulator, the crops can be more robust and high in yield in the growth process, and the microbial agents can also improve the soil structure, improve the diversity of soil microorganisms and enhance the stress resistance and immunity of the crops, so that the yield and quality of the crops are comprehensively improved.

The invention relates to the technical field of microbial medicines, in particular to a siderophore compound (hydroxamic acid salt siderophore compound) and a preparation method and application thereof. The compounds are the following compounds 1-3; the hydroxamic acid salt siderophore provided by the invention has remarkable iron chelating ability, promotes seed germination and plant growth activity, and can be used as an ideal compound of an iron overload disease therapeutic agent and a growth regulator for promoting crop growth. The compound can be produced through fermentation of special actinomycetes, the preparation method is simple and efficient, and the obtained product is high in purity. The method has a good application prospect. # imgabs0 #

The invention discloses a biochar-plant combined remediation method for mine heavy metal contaminated soil, and relates to modified biochar and a remediation accelerator.The preparation method of the modified biochar comprises the steps that peanut shells are subjected to high-temperature carbonization and then added into a ferric iron solution to neutralize a NaOH solution, ultrasonic treatment is conducted, and the biochar is obtained; a biomass raw material is crushed and composted to obtain pretreated biomass, then the pretreated biomass and a ferric iron solution are subjected to a heating reaction, a reaction product is mixed with the biochar, carbonization is continued, and the biochar is obtained. The repairing accelerant comprises turf, phospholime powder, mannitol, a plant growth regulator, a microbial agent and a chelating agent. According to the remediation method, planting of the modified biochar, the remediation accelerant and the enrichment plants is combined, a synergistic remediation mechanism is formed, the three components have a synergistic effect, the removal efficiency of heavy metal is remarkably improved, the biomass and the survival rate of the enrichment plants are improved, and efficient and accurate remediation of the mine heavy metal contaminated soil is achieved.

The invention discloses a nutrient medium for shortening the growth cycle of astragalus sinicus, and belongs to the technical field of agricultural planting. The nutrient medium is prepared from the following raw materials in parts by mass: 18 to 25 parts of humus soil, 12 to 18 parts of turfy soil, 6 to 10 parts of vermiculite, 10 to 14 parts of perlite, 12 to 15 parts of organic fertilizer, 2 to 5 parts of microelement fertilizer, 1 to 3 parts of growth regulator and 22 to 28 parts of river sand, and all the components are mixed according to a specific proportion. Through interaction of the raw materials, such as humus soil, turfy soil and vermiculite, the water-retaining property and air permeability of soil can be improved, the organic fertilizer can provide nutrients and energy needed by plants, the microelement fertilizer can supplement microelements needed by the plants, and the growth regulator can stimulate growth and development of the plants, so that the purpose of shortening the growth cycle of the astragalus sinicus is achieved. Besides, the nutrient medium is simple in preparation process, wide in raw material source, low in price and easy to obtain, and has remarkable economic benefits and social benefits in the field of astragalus sinicus planting.

The invention provides a seepage-preventing and water-retaining structure for ecological restoration of an arid mining area in the Yellow River basin and a construction method. The seepage-preventing and water-retaining structure comprises a seepage-preventing layer, a water-retaining layer and an evaporation-preventing layer. The seepage prevention layer is composed of Yellow River silt, bentonite, a base material aggregate agent and an organic material and is laid on the surface of the mine slope; the water retention layer is composed of Yellow River silt, coal gangue, an organic material, an organic fertilizer, a plant growth regulator and a base material composite water retention agent, and is laid on the surface of the permeation prevention layer; the anti-evaporation layer is composed of Yellow River silt, wood fibers, a base material adhesive, a base material composite water-retaining agent and plant seeds and is laid on the surface of the water-retaining layer. The seepage-preventing and water-retaining structure designed by the invention effectively combines three key functions: the seepage-preventing layer effectively prevents water from infiltrating too fast, the water-retaining layer has excellent water-storing and moisture-retaining capabilities, and the evaporation-preventing layer remarkably inhibits water evaporation.

The invention relates to the technical field of crop yield increase, and discloses a soybean yield-increasing compound regulator and a soybean yield-increasing chemical control method.The basic effective components of the compound regulator comprise prohexadione calcium and forchlorfenuron, and the yield-increasing chemical control method comprises the step that an aqueous solution of the compound regulator is sprayed at the branching stage and the final stage of full bloom of soybeans respectively, the dosage of the compound regulator is 10 g / mu in the soybean branching period and 20 g / mu in the final stage of soybean blooming. According to the chemical control method for increasing the yield of the soybeans, provided by the invention, different types of growth regulators (prohexadione calcium, forchlorfenuron, triacontanol and 24-epibrassinolide) are compounded to form a compound agent, and the compound agent is sprayed on leaf surfaces in key periods (a branching period and a final stage of full bloom) of the soybeans, so that vegetative growth and reproductive growth of the soybeans are comprehensively promoted and regulated; the stress resistance of the soybeans is enhanced, the lodging risk of the soybeans is reduced, a better flower and pod protection effect is achieved, and the yield of the soybeans is increased.

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 relates to the technical field of mixing equipment, and discloses a mixing preparation device and method for a plant growth regulator containing a silicon element. The mixing preparation device of the silicon-containing plant growth regulator comprises a stirring main kettle, an online monitoring unit, a solid-liquid separation unit and a control unit, the stirring main kettle is used for carrying out a liquid-phase chemical reaction and separating out a solid product in situ, and is provided with a stirring piece; and the on-line monitoring unit is used for acquiring a reaction process signal and a crystallization state signal in the main stirring kettle in real time. The online monitoring unit, the solid-liquid separation unit and the control unit are arranged and cooperatively used, dynamic optimization management of the reaction crystallization process is achieved, the solid-liquid separation unit moves out crystals in time and circularly supplements materials, the problem that the crystals are secondarily wrapped is solved, meanwhile, reaction balance is pushed to move rightwards, and the reaction efficiency is improved. The conversion rate and the yield are improved.

The utility model belongs to the technical field of mixing devices, and particularly relates to a plant growth regulator preparing and mixing device which comprises a mixing box, a rotary cover is rotatably mounted in the upper end of the mixing box, a driving shaft is fixedly mounted in the center of the upper end of the rotary cover, a connecting column is rotatably connected to the upper end of the driving shaft, and a rectangular groove is formed in one side of the connecting column. A long pipe is fixedly inserted into the upper end of the screw cover, an elastic strip is fixedly mounted on the side surface of the upper end of the long pipe, a roller is rotationally connected to the middle of the elastic strip, a baffle is mounted on the adjacent side of the elastic strip, a filtering assembly is fixedly mounted at the bottom of the long pipe, and a feeding opening is formed in one side of the mixing box; a discharging groove is formed in the bottom end of the interior of the mixing box, a catalyst is put into the filtering assembly below the long pipe, new catalyst powder can be added again from the long pipe every time the catalyst powder is completely consumed, and the situation that the catalyst powder needs to be recycled after mixing every time is avoided.

The invention relates to the technical field of flower flowering phase regulation and control, and discloses a regulator and a method for promoting secondary flowering of crape myrtle, the regulator comprises 50 parts by weight of benzylaminopurine, 4.6-5 parts by weight of compound sodium nitrophenolate and more than or equal to 100 parts by weight of an amino acid composition; or 18 parts by weight of benzylaminopurine, 18 parts by weight of gibberellin, 4.6-5 parts by weight of compound sodium nitrophenolate and more than or equal to 100 parts by weight of an amino acid composition. The regulator provided by the invention comprehensively acts on multiple aspects of cell division, dormancy breaking, hormone regulation, nutrition supply, stress resistance enhancement and the like to jointly promote secondary blooming of the crape myrtle, increase the blooming amount and prolong the blooming period, and by virtue of multiple aspects of effects of pruning, fertilization, insect killing, plant growth regulator regulation and the like, the yield of the crape myrtle is increased. Secondary blooming of the crape myrtle is promoted, the blooming rate, the blooming duration and the blooming amount of secondary blooming are increased, and the growth vigor of the crape myrtle in the next year is not affected.

The invention relates to the technical field of stirring and emulsifying, and particularly discloses a plant growth regulator stirring and emulsifying device which comprises a tank body, a middle shaft is coaxially and rotatably assembled in the tank body, an emulsifying assembly is arranged on the middle shaft, and an upper hopper body and a lower hopper body are further arranged in the tank body and used for buffering powder and liquid materials respectively; a material barrel is arranged on the emulsifying assembly, a sealing partition plate is arranged in the material barrel, the sealing partition plate can ascend and descend in the material barrel along with rotation of the emulsifying assembly, and an upper cavity is formed between the top of the sealing partition plate and the material barrel; according to the stirring and emulsifying device for the plant growth regulator, automatic supplementing and adding of powder auxiliary materials and liquid auxiliary materials in the charging barrel are achieved through lifting of the sealing partition plate, the auxiliary materials can be directly added from the middle of the materials, the time for gradually permeating and dispersing the auxiliary materials downwards from the position above the liquid level is shortened, the dispersing efficiency of the auxiliary materials in the materials is improved, and the stirring and emulsifying efficiency of the plant growth regulator is improved. The mixing speed of the materials and the auxiliary materials is accelerated.

The invention discloses a method for increasing the yield of alfalfa seeds by using a growth regulator. The method comprises the following steps: (1) selecting a seed field production area; (2) land parcel selection; (3) soil pretreatment before sowing; (4) sowing; (5) field management; (6) harvesting and drying; in the step (5), a compound sodium nitrophenolate solution is uniformly sprayed in the bud stage, the dosage is 200 L / hm < 2 >, and the mass concentration of the compound sodium nitrophenolate solution is 5.0-6.0 ppm. The hole sowing machine is adopted to accurately control the sowing depth and the sowing quantity, the sowing density of an alfalfa seed field is strictly controlled, the optimal plant growth regulator is innovatively matched for application, and the alfalfa seed yield is effectively improved.

Agricultural products, such as pesticides, plant growth regulators, fungicides, herbicides, and insecticides, may be formulated to include one or more surfactants, from one or more surfactant classes, such as siloxane derivatives of amino acids that have surface-active properties.

The invention provides an anthurium andraeanum tissue culture and rapid propagation culture medium and a preparation method thereof, each liter of the culture medium contains major elements, trace elements, ferric salt, organic components and a plant growth regulator with specific weight, and components such as an osmotic regulator and a stress-resistant enhancer are also added in the culture medium, so that the anthurium andraeanum tissue culture and rapid propagation effect is improved. The sambucus williamsii extract is obtained through a supercritical extraction method, the purity and quality of the sambucus williamsii extract are ensured, the preparation method of the sambucus williamsii extract comprises multiple steps including sequential dissolution of all components, stirring, pH value adjustment, subpackaging, sterilization and other operations, and key parameters of all the steps such as sterilization conditions, the mass-volume ratio of a plant growth regulator to absolute ethyl alcohol and the like are defined. According to the scheme, an optimized culture medium and a matched preparation method are provided for tissue culture and rapid propagation of anthurium andraeanum, and the anthurium andraeanum culture effect can be improved.

The present application relates to the field of growth regulators, and specifically discloses a plant growth regulator containing gibberellic acid and a preparation method thereof. A plant growth regulator containing gibberellic acid and a preparation method thereof include the following raw materials in parts by weight: 4-40 parts of gibberellic acid; 1-40 parts of benzylaminopurine; 30-100 parts of ethanol; 60-180 parts of cosolvents; 30-80 parts of surfactants; 5-15 parts of regulating components; 704-750 parts of propylene glycol dibutyl ether. Its preparation method includes the following steps: S1, weighing gibberellic acid, benzylaminopurine, ethanol, cosolvents, surfactants, regulating components and propylene glycol dibutyl ether, mixing them uniformly to obtain a primary mixture; S2, vacuum drying the primary mixture, and obtaining a plant growth regulator after powdering. The present application has the effect of reducing the migration amount of gibberellic acid in the soil.

The invention discloses a method for detecting natural plant hormones and exogenous growth regulators of vegetables, efficient separation and accurate detection of the natural plant hormones and the exogenous growth regulators are realized through combination of hydrophilic interaction chromatography and mass spectrometry, a hydrophilic interaction chromatographic column is adopted, and conditions such as mobile phase composition and flow velocity are optimized; the selectivity of polar substances is improved by utilizing hydrophilic interaction, so that compounds with similar structures achieve baseline separation, and chromatographic peak overlapping interference is avoided; the mass spectrometric detection only responds to a specific ion signal by screening characteristic parent ion / daughter ion pairs of a target object, so that matrix impurities and non-target ion interference are effectively eliminated, the false positive risk is remarkably reduced, and the detection sensitivity and specificity are improved; the combined technology is combined with the efficient separation capacity of the hydrophilic interaction chromatographic column and a multi-reaction monitoring mode, synchronous separation of multiple compounds with similar polarities in single analysis is achieved, parallel detection of dozens of target objects is supported, and the analysis time is greatly shortened.

To provide a resin composition suitable for production of molded articles for direct application to animals, and a resin molded article using the same.SOLUTION: A pest control resin composition is prepared by incorporating ethofenprox, an insect growth regulator, a plasticizer, and a fatty acid into a vinyl chloride resin. This resin composition may further contain optional components. Here, pests typically include fleas, mites, mosquitoes, or lice. This resin composition can be preferably used for producing a sustained-release resin molded article for pest control.SELECTED DRAWING: None

The present invention relates to a composite growth regulator and its application in tissue culture seedlings, belonging to the technical field of plant growth regulators. The composite growth regulator of the present invention comprises the following components by weight: 10-12 parts of Jerusalem artichoke stem and leaf extract, 10-15 parts of Brevibacillus laterosporus fermentation product, 3-5 parts of glabridin, 8-12 parts of α-lipoic acid, 6-10 parts of indolebutyric acid, 4-8 parts of taurine, and 20-25 parts of sodium alginate. Adding the composite growth regulator in the process of plant tissue culture can significantly improve the rooting rate of tissue culture seedlings, and high-quality regenerated adventitious roots can be obtained, which can improve the survival rate of tissue culture seedlings and prevent the vitrification phenomenon of tissue culture seedlings.

The utility model discloses a plant growth regulator spraying device, and belongs to the technical field of agricultural production equipment. A plant growth regulator spraying device comprises a pesticide storage barrel, one side of the pesticide storage barrel is provided with an infusion pump, the end of the input end of the infusion pump is communicated with an inner cavity of the pesticide storage barrel, the end of the output end of the infusion pump is fixedly connected with a hose, the outer side of the hose is sleeved with a fixing pipe, one side of the fixing pipe is fixedly connected with a bearing ring, and the bearing ring is provided with a liquid separation ring. A plurality of pesticide spraying pipes are densely distributed on the inner side of the liquid separation ring. According to the technical scheme, by arranging the liquid separation ring, the pesticide spraying pipe and the infusion pump, when a worker sprays a plant growth regulator to crops, a user sleeves the liquid separation ring on the outer side of the to-be-sprayed crops and moves the liquid separation ring up and down, and under the action of the infusion pump, pesticide liquid can be sprayed to the crops in multiple directions, so that the pesticide liquid is sprayed to the crops in multiple directions; and uniform spraying of the liquid medicine is effectively guaranteed, and full play of the effect of the liquid medicine is fully guaranteed.

The invention discloses a protective transplanting method for engineering disturbance low-latitude plateau sub-alpine meadow cotoneaster replicatus, which comprises the following steps: (1) investigating and screening rhizosphere microbial communities, and separating functional strains from soil; (2) in-situ plant growth regulator root irrigation treatment; (3) digging a plant-soil micro-ecological complex; soil blocks are wholly dug according to units, wherein the soil blocks comprise plants, root systems, rhizosphere soil, associated herbaceous plants and litters; (4) temporary culture and field planting: regularly maintaining and keeping humidity, and irrigating with a plant growth promoter; (5) adding a microbial inoculum into the soil, treating the soil with a matrix, and adding the screened functional microbial inoculum into the matrix; (6) transplanting; and (7) later maintenance and monitoring. Through an innovative method of combining a plant-soil micro-ecological complex, a plant growth regulator and a fungicide, the survival rate and the recovery speed of the cotoneaster replicatus in ecological restoration are improved, the adaptability of the cotoneaster replicatus in a severe environment is optimized, vegetation restoration is promoted, and the stable process of an ecological system is accelerated.

The present invention provides a moss gametophyte coating agent, comprising: 80-140 parts by weight of a composite additive, 40-60 parts of a film-forming agent, 10-20 parts of a medicament, 8-20 parts of an antifreeze agent, 200-300 parts of a nutrient matrix, 0.01-1 part of a growth regulator, 20-50 parts of an emulsifier, 10-30 parts of a dispersant, 10-30 parts of an anti-freezing agent, 10-20 parts of an anti-foaming agent, and 600-800 parts of deionized water; wherein, the composite additive is modified montmorillonite, the medicament is a combination of chitosan and garlic extract, and the antifreeze agent is an algal extract. The moss gametophyte coating agent provided by the present invention is used for coating the moss gametophyte, significantly improving the survival rate, germination rate of the moss gametophyte and the stress tolerance to habitats such as high cold, drought and barrenness, and effectively breaking through the technical bottleneck of the field breeding of the moss gametophyte.

The invention relates to a composition for expanding and increasing yield of rhizome crops, a soluble concentrate and application of the soluble concentrate, and belongs to the technical field of plant growth regulators. The composition consists of a prohexadione active substance and a dihydrojasmonic acid active substance, the mass ratio of the prohexadione active substance to the dihydrojasmonic acid active substance is (0.5-25): 1; the prohexadione active substance is prohexadione and / or a soluble salt thereof; the dihydrojasmonic acid active substance is dihydrojasmonic acid and / or soluble salt thereof. The composition is taken as an effective component, a growth regulator is provided, water is taken as a solvent, and auxiliary agents known by technicians in the field are supplemented, so that a soluble concentrate is prepared. The soluble concentrate has the advantages of being environmentally friendly, convenient to process, convenient to use and the like while efficiently achieving swelling and yield increasing effects of root crops, and the problems that special dosage forms need to be prepared in the using process of prohexadione calcium, so that the production cost is high, and use is inconvenient are effectively solved.

Agricultural products, such as pesticides, plant growth regulators, fungicides, herbicides, and insecticides, may be formulated to include one or more surfactants, from one or more surfactant classes, such as derivatives of amino acids that have surface-active properties.

The present invention provides a sinapinic acid plant growth regulator and its application. The sinapinic acid plant growth regulator is used to alleviate the continuous cropping disorder of ramie plants. The raw materials include, by weight, 10 to 30 parts of sinapinic acid and 1 to 3 parts of a slow-release solvent. The pH value of the sinapinic acid plant growth regulator is 5.0 to 7.0. The sinapinic acid plant growth regulator provided in this application reduces the damage of continuous cropping to ramie plants and improves related indicators such as plant agronomic traits, root vitality, chlorophyll content, and antioxidant system enzyme activity. This preliminarily reveals a new cultivation technology for alleviating soil damage caused by continuous cropping of ramie.