51 results about "Biogenic Stimulators" patented technology

The present invention relates to a method of preventing or alleviating the effect of abiotic stress in a plant, which involves applying to the plant, including plant seeds or to a plant growth medium, an effective amount of phenylalanine and / or any salt or solvate thereof and a seaweed extract.

The subject of the application is a biostimulant of plant origin, obtained using an extractant in the form of water, characterized in that it consists of botanical extracts from the aerial parts of horsetail (Equisetum arvense), rosehip fruit (Rosa canina) and soapwort roots (Saponaria officinalis) obtained as an infusion of 45.0 to 50.0 g of horsetail, 1.5 to 3.5 g of rosehip fruit and 0.1 to 0.5 g of soapwort roots per 1000 ml of water.

This invention discloses a stress-resistant and yield-increasing plant growth regulator, its preparation method, and its application, belonging to the field of plant growth regulators. The stress-resistant and yield-increasing plant growth regulator of this invention comprises the following raw materials: *Suaeda salsa* extract, a stress-resistant biostimulant, propionyl brassinolide, styracil, polyaspartic acid, γ-aminobutyric acid, emulsifier, penetrant, co-emulsifier, pH buffer, and deionized water; wherein the stress-resistant biostimulant is perilla lactone. This invention significantly improves the tolerance of wheat to salt-alkali stress by strengthening the antioxidant system and osmotic regulation capacity, ensuring its basic survival and normal physiological functions; and effectively reverses stress-induced growth inhibition through mechanisms such as promoting root development, enhancing photosynthesis, and driving product translocation to grains, thereby achieving a significant yield increase under adverse conditions.

The invention discloses nitrogen-doped carbon dots for reducing tomato pesticide residues and a preparation method and application of the nitrogen-doped carbon dots, and belongs to the technical field of carbon materials. The preparation method comprises the following steps: uniformly mixing citric acid, urea and water, then carrying out a hydrothermal reaction, centrifuging after the reaction is completed, taking supernate, dialyzing, and filtering to obtain the N-doped carbon dots (N-CDs). According to the invention, the carbon dots (CDs) are used for promoting the metabolism of plants, so that the pesticide residue of tomatoes is reduced. CDs can enhance photosynthesis and play a role of a biological stimulant, so that tomato growth is promoted.

The present disclosure relates to a biodegradable pot plant cultivation that simultaneously provides structural support and biostimulant functionality. The pot is made of renewable natural materials, a biodegradable binder, and microalgae incorporated as a biostimulant, that safely decompose in the soil or substrate. Its porous structure ensures balanced water retention and aeration, and mechanical integrity sufficient for handling and early plant growth and creating an ideal environment for plant growth and reducing irrigation needs, increasing too the resilience for climate change. During use and biodegradation, microalgae and optional incorporated additives are gradually released through hydration, diffusion and disintegration of the material, providing a localised and time-controlled biostimulant effect, synchronised with the healthy and vigorous development of the plant root system. The pot is designed to be placed directly in the soil without removal, thus reducing plastic waste, transplant shock, irrigation needs, and planting and cultivation operation times and costs, making it suitable for applications in horticulture, forestry, and greenhouses. The pot is designed for compatibility with automated planting systems, enhancing horticultural efficiency. It addresses the environmental concern of plastic overuse in horticulture, offering a sustainable, cost-effective, and practical solution for modern horticulture.

The invention relates to a method for degrading petroleum hydrocarbon in soil by utilizing goethite reinforced endogenous microorganisms, goethite is used as a biological stimulant to activate the activity of soil endogenous functional bacteria for degrading petroleum hydrocarbon, dominant phylum of the soil endogenous functional bacteria is proteobacteria, actinomycetes and thick-wall phylum, and the relative abundance accounts for 50-80%. Under the conditions that the pH value of soil is 6.0-9.0 and the water content of the soil is 20%-50%, the degradation rate of total petroleum hydrocarbon in the soil is larger than or equal to 60%, and the degradation rate of components such as colloid and asphaltene is larger than or equal to 45%.

The invention relates to the technical field of groundwater pollution treatment, and particularly discloses a biological stimulant for repairing heavy metal polluted groundwater, which is prepared by the following steps: mixing and stirring Urea, C6H12O6, NaCl, KNO3, CaCl2, MgSO4, Na2HPO4 and KH2PO4 to obtain a first mixture; adding span 80 into the first mixture, and stirring and gelatinizing to obtain paste; the paste is subjected to extrusion forming, and a spherical flux core is prepared; heating and stirring the paraffin to obtain molten paraffin; putting the flux core into molten paraffin, and carrying out coating treatment to obtain a medicament coated with a paraffin coating; placing the agent coated with the paraffin coating in a spherical mold, and cooling and shaping; and carrying out freeze drying treatment on the cooled medicament to obtain the biological stimulant. The biological stimulant prepared by the invention can continuously stimulate urease-producing bacteria to generate an MICP effect in an in-situ groundwater environment, and is used for solving the problems of quick loss and short action time of the biological stimulant in the prior art.

The invention relates to beekeeping, in particular to a process for producing royal jelly.The process, according to the invention, includes the introduction into the breeding family of frames equipped with qeen cells with transferred larvae and the daily feeding of the nurse bees, in the absence of a maintenance honey flow, with a mixture of sugar syrup and a biostimulator, for 3 days, after which the frames are removed from the hive to collect the royal jelly, and the procedure is repeated twice, at the same time the biostimulator is an aqueous solution containing: D-glucuronic acid, potassium hydroxide, choline chloride and water.

Biostimulant compositions and methods for enhancing soil organic carbon are provided. A mixture of bioavailable B12 and amino acids phenylalanine (Phe) and lysine (Lys)—was found to enhance soil organic carbon and crop growth due to synergistic effects between the bioavailable B12 and the PheLys. The bioavailable B12 and the PheLys may be derived from various sources, including, e.g., cyanobacteria (e.g., Spirulina—Arthrospira platensis) or green algae (e.g., Nannochloropsis spp.) cultivated under photosynthetically controlled conditions to yield upregulated bio-active compounds such as bioavailable B12 and amino acids. One or more sources may be used to provide the bioavailable B12, Phe and Lys, and algal cultivation may be integrated with additional industries to yield synergistic biostimulation effects.

To provide a technique capable of realizing regionally recycling persistent production centering on effective utilization of waste milk and activation of crop and soil by biostimulant, and is economically excellent.SOLUTION: Provided is a method for producing biostimulant in which a microorganism group including lactic acid bacteria and yeast is inoculated into a liquid raw material containing milk and / or dairy product, and the material is fermented at room temperature for 24 hours or more. Provided is biostimulant that contains a microorganism group including lactic acid bacteria and yeast, 40 mg or more of amino acid per 100 g of biostimulant, and has lactic acid, pH of 5 or less, and Brix value of 7% or less. Further, provided is a plant cultivation method in which the biostimulant is given to plant or soil.SELECTED DRAWING: None

The application provides a preparation method and application of a complex microbial agent for promoting alfalfa growth, and relates to the technical field of agricultural microorganisms. The complex microbial agent is prepared by mixing a bacterial solution and a biological stimulant solution. The bacterial solution is a rhizobium solution, and the biological stimulant is a fucoidan solution. The volume ratio of the rhizobium solution to the fucoidan solution is 1:2-4. The complex microbial agent solves the bottleneck problem that a single rhizobium agent is unstable in actual application and is easily affected by the environment. The alfalfa treated by the complex microbial agent can improve the seedling emergence rate, plant height, biomass and stress resistance of the alfalfa.

The invention relates to a composition intended to improve plant growth comprising at least one strain of bacteria belonging to the species Mitsuaria noduli, preferably the Mitsuaria noduli strain filed with the CNCM on July 30, 2021 under No. I-5724 or I-5725; and the use of such a strain as a biostimulant.

A process for cultivating microorganisms and transforming their products, characterized in that it comprises an initial phase (A) consisting of at least one microalgae or cyanobacteria culture step (AI1) and a bacterial fermentation step (A.II.1) in aqueous phase, arranged in series or in parallel, offering different culture media, allowing the obtaining of at least one raw material, an intermediate phase (B) consisting of at least one drying step (B.1) allowing the obtaining of at least one semi-finished product and a final phase (C) consisting of a conditioning step (C.1) allowing the obtaining, simultaneously or not, of at least one finished product in solid form such as flakes or pellets, liquid such as biostimulants or drinks or in emulsion such as creams or jellies.

The invention relates to a biostimulant composition containing an extract of brown algae and its use for improving plant growth by stimulating the growth of favorable microorganisms present in soils.

The invention provides a biological stimulant for regulating and controlling micro-ecological activity of acid soil rhizosphere as well as a preparation method and application of the biological stimulant, and particularly provides the biological stimulant which comprises high fructose corn syrup, tea polyphenol and 5-aminolevulinic acid. The biostimulant further comprises an amino acid and an oligosaccharide. The biological stimulant provided by the invention can improve the pH of rhizosphere soil, reduce exchangeable aluminum ions, improve soil respiration and mycorrhizal spore density, and realize yield increase and efficiency increase.

A system and method for growing microalgae capable of mixotrophic metabolism, preferably Chlorella sp. Microalgae grown in the system using the method are able to survive and grow in dark refrigeration, which allows the algae to be stored and transported for application as a live culture. In addition, the microalgae can be grown in sufficient quantities to be sold commercially for application to crops as a biostimulant.

The invention relates to the technical field of curing agents, in particular to a soil curing agent and a preparation method thereof.The soil curing agent is prepared from, by weight, 180-220 parts of fly ash, 160-180 parts of slag, 80-120 parts of calcium salt, 80-120 parts of potassium nitrate, 10-14 parts of microbial agents, 40-60 parts of sustained-release capsule particles and 20-30 parts of biological stimulants. Therefore, the soil structure is improved, and the content of large aggregates in the soil can be remarkably increased.

The present invention relates to a composition comprising (i) seaweed, (ii) oil, and (iii) at least two surfactants wherein the pH of the composition ranges from about 3 to about 6. Optionally, the composition further comprises at least one agriculturally acceptable carrier and / or additive, such as a chelating agent and / or a rheological aid. The invention also relates to a method and use of seed treatment of a plant biostimulant composition for mitigating abiotic stress or managing crop productivity.

The present invention relates to an alkyd resin and a rainproofing agent for pesticide formulations containing pesticide active substances, nutrients, and / or biostimulants. The alkyd resin is formed from C2-C16 diacids, C6-C30 fatty acids, and C3-C8 polyols. The invention also provides a concentrated formulation that can be diluted to obtain a pesticide formulation, and a method for treating crops with such a formulation, especially when used for foliar application. The alkyd resin provides rainproofing properties while also possessing desired bio-based and biodegradable properties, and significantly reduces the runoff of pesticide active substances, nutrients, and biostimulants after foliar application by spraying.

Biostimulant composition for plants based on chitosans The invention relates to a biostimulant composition for plants comprising at least two chitosans selected from: Chitosan I - ultra low molecular weight, viscosity less than or equal to 5 mPa.s., DDA greater than or equal to 70%, Chitosan II - very low molecular weight, viscosity between 6 and 10 mPa.s., DDA greater than or equal to 85%, Chitosan III - low molecular weight, viscosity between 15 and 22 mPa.s., DDA greater than or equal to 85%, Chitosan IV - low medium molecular weight, viscosity between 30 and 45 mPa.s., DDA greater than or equal to 80%, Chitosan V - medium molecular weight, viscosity between 65 and 100 mPa.s., DDA greater than or equal to 80%.

Title of the invention: Liquid biostimulant for plant growth. The present invention relates to a liquid biostimulant comprising at least a mass percentage of humic substances of between 5% and 15%, a mass percentage of extract of at least one alga of between 2% and 20%, a mass percentage of at least one spice of between 0.1% and 5%, a mass percentage of guano of between 0.05% and 10%, and vermicompost extract comprising at least one strain of bacteria of the genus Bacillus, at least one strain of bacteria of the genus Azotobacter, and at least one strain of bacteria of the genus Rhizobium. (Figure 1)

The invention relates to a natural biostimulant combining a repellent action against harmful game and a stimulation of plant growth. The formulation is based on Capsicum oleoresin and a liquid base (sunflower oil or water). This biostimulant is applied by coating seeds or by foliar spraying, offering a natural solution for crop protection.

The present disclosure provides methods and systems for production of biostimulants that promote nitrogen use efficiency in plants. Embodiments described include methods of making a biostimulant composition in a bioreactor system that includes two or more containers arranged in series. The bioreactor system may include an established population of a nitrogen use efficiency-promoting microbial strain. The method may include operating the bioreactor system by transferring into the system an aqueous feedstock that comprises a microbial consortium, transferring working fluid between containers of the system, and collecting a product. The method may further include maintaining a concentration of a nitrogen use efficiency-promoting microbial strain in the system.

The invention provides a microbial soil conditioner for in-situ rejuvenation of border trees. The soil conditioner comprises a chemical loosening conditioner (composed of modified sodium carboxymethyl cellulose and citric acid-malic acid composite organic acid), a biological stimulant (composed of bacillus subtilis exopolysaccharide and a seaweed extract) and a physical loosening auxiliary agent (composed of expanded perlite and crushed garden waste). Functional strains (bacillus subtilis and bacillus mucilaginosus) and a protective agent (food-grade sucrose fatty acid ester). According to the invention, a triple synergistic system of chemical loosening-physical supporting, biological stimulation-microbial colonization and nutrient activation-stress tolerance adaptation is constructed, the chemical conditioner rapidly disperses clay particles, the physical auxiliary agent constructs a stable pore skeleton, the biological components promote aggregate formation and microbial colonization, the soil porosity can be increased from less than 15% to 20% or more within 7 days, and the soil quality is improved. The conductivity is reduced to 1.8 mS / cm or below within 30 days, and the pH is adjusted to 6.5-7.5.

The invention relates to the field of surface water pollution treatment, and discloses a microbial agent for improving bottom mud of rivers, lakes and reservoirs and application of the microbial agent. Comprising the following component materials in parts by weight: 100 parts of mineral aggregate, 0.5-2 parts of diluted hydrochloric acid, 0.5-2 parts of diluted sodium hydroxide, 0.5-5 parts of activated carbon, 0.1-0.5 part of a biological stimulant, 0.2-1 part of magnetic particles, 10-20 parts of a binder, 5-10 parts of a flocculant, 5-10 parts of water, 5-15 parts of microorganisms, 85-90 parts of capsule particles, 0.5-1 part of flora, 5-10 parts of nitrogen fertilizer, 5-10 parts of phosphorus fertilizer and 5-10 parts of potassium fertilizer. By adding the magnetic particles, the activated carbon and the biological stimulant, the pollutant adsorption capacity and the biodegradation rate of the multifunctional particles are remarkably improved, so that the multifunctional particles can more efficiently adsorb and degrade various pollutants in a water body, the treatment time is shortened, the treatment effect is improved, and the multifunctional particles are particularly suitable for a heavily polluted water body urgently needing to be rapidly treated.

The application discloses a biological stimulant for chlorinated compound pollution remediation and application thereof, and the biological stimulant comprises polymeric ferric sulfate, and / or fulvic acid and Lactobacillus plantarum fermentation supernatant. The polymeric ferric sulfate is first selected as an iron source for the bacterial body, the fulvic acid provides carbon and nitrogen sources, and the Lactobacillus plantarum supernatant is used in cooperation, so that the degradation of the chlorinated compound by the microorganism, especially Acinetobacter, is promoted, the degradation efficiency of the chlorinated compound by the microorganism is improved, the fermentation waste liquid is reasonably utilized to achieve the purpose of waste treatment by waste, and the results show that the degradation rate of chlorophenol with an initial concentration of 20 mg / L is increased by 94% within 24 hours; the degradation efficiency of chlorobenzene with an initial concentration of 20 mg / L is increased by 79% within 45 days, and the biological aid for the biological remediation strategy of the chlorinated organic matter in the water environment is enriched.

A process is described for obtaining a soil-improving composition from the fermentation of crustacean exoskeletons for its use as a biostimulant, as well as the resulting composition of said process.

The invention discloses a durian seedling propagation method for improving germination rate and stress resistance, and belongs to the technical field of durian seedling culture. The method comprises the following steps: wrapping seeds treated by a biological stimulant with peat moss with the humidity of 65 + / -2% for accelerating germination; the method comprises the following steps: preparing a compound substrate containing 20-30% of composted durian shell residues, 30-40% of coco coir, 15-25% of perlite, 10-15% of charcoal and 0.5-1% of a slow-release fertilizer, and inoculating bacillus velezensis and arbuscular mycorrhizal fungi; illumination intensity gradient increase (6000-14000 lux) and 4-6 DEG C day and night temperature difference accurate control are implemented; salicylic acid is sprayed in a gradient mode before outplanting. Experiments show that the germination rate of the method reaches 87.5%-89.2% and is increased by 85.0% compared with that of a traditional method; the seedling raising period is shortened to 6.5-6.8 months and is reduced by 54.2%; the transplanting survival rate is increased to 91.7%-93.5%, and the disease occurrence rate is reduced to 6.5%-8.3%. According to the method, resource utilization of durian shell waste is achieved, use of chemical pesticides is reduced, and a green and sustainable durian seedling raising technical system is constructed.