72 results about "Biogenic Stimulators" patented technology

The invention discloses a composite denitrification accelerant and a preparation method thereof, and belongs to the technical field of sewage treatment. The carbon source composite material is prepared from the following raw materials in parts by weight: 30-50% of a carbon source, 2-5% of vitamins, 2-5% of amino acids, 1-3% of a biological stimulant, 1-2% of signal molecules, 1-5% of metal elements, 3-5% of a pH regulator and 25-60% of water. Through metabolites such as vitamins, amino acids and biological stimulants, growth and reproduction of denitrifying bacteria are promoted, and functions of related enzymes in the denitrification process are improved. The signal molecule optimizes the metabolic activity of bacteria by regulating and controlling the expression of genes, related to the denitrification process, of the denitrifying bacteria. The metal ions can enhance the activity of the denitrifying enzyme, so that the efficiency of denitrification treatment is improved. According to the denitrification accelerant, the denitrification process is promoted through the synergistic effect of three aspects of growth and reproduction of denitrifying bacteria, expression of denitrification genes and improvement of activity of denitrification-related enzymes.

The invention relates to the technical field of biologic stimulant preparation, and discloses a biologic stimulant mixing preparation two-stage control method, which comprises: adopting dissolved oxygen gradient and carbon source pulse cooperative control, linearly reducing the concentration of dissolved oxygen in a fermentation tank from an initial value at a specific rate, and injecting a carbon source at regular time; when the flora density and the quorum sensing signal molecule concentration reach specific threshold values, triggering stage switching; starting pressure-metabolism coupling control, increasing the pressure of the fermentation tank at a specific rate, and adding coenzyme Q10; the quorum sensing inhibitory peptide containing a specific core structure is synchronously released in the boosting process; after the pressure is stable, a real-time mapping relation between a microbial metabolism state and physical parameters is constructed in a thallus proliferation stage through a coupling mechanism of dissolved oxygen gradient control and quorum sensing signal monitoring, and the industrial problem that a traditional static threshold value cannot respond to pressure fluctuation of a fermentation tank to cause signal attenuation is solved.

The present invention relates to the use of specific organic compounds encapsulated in a specific manner as biostimulants in mycelium production and mushroom culture. More particularly, the invention relates to the use of at least one organic compound encapsulated with an inert solid material and fat, selected from the group consisting of beta-pinene, delta-3-carene, or beta-phellandrene, or one of the mixtures thereof, for stimulating the development and growth of edible mushrooms and mycelia.

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 present disclosure provides methods and systems for production of biostimulants that promote phosphate solubilization 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 phosphate-solubilizing 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 phosphate-solubilizing microbial strain in the system.

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.

The invention discloses a complex microbial inoculant, a biological stimulant, a preparation method and application. The composite bacterial agent disclosed by the invention comprises Pristia aryabhattai P28 (the preservation number is CGMCC (China General Microbiological Culture Collection Center) 1.65035), bacillus subtilis S1 (the preservation number is CGMCC 1.65034) and bacillus velezensis C1 (the preservation number is CGMCC 1.65033), and the volume ratio of the P28 to the S1 to the C1 is 3 to 1 to 2. The biological stimulant is prepared from kitchen waste aerobic hydrolysate which is obtained by fermenting organic waste kitchen waste serving as a raw material with a complex microbial inoculant with the addition amount of 5% by volume. After the biological stimulant is applied to soil, the total amount of soil organisms (bacteria, fungi and protozoa) can be effectively increased, the soil aggregate stability is improved, and the soil structure is rapidly improved; the content of total organic carbon, granular organic carbon and soluble organic carbon in soil and the activity of soil enzymes (catalase, sucrase, urease and acid phosphatase) are obviously improved in a short time. The method disclosed by the invention has important significance on resource utilization of organic wastes and agricultural sustainable development.

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.