CN116138264A - Sustained-release wheat seed treatment suspending agent and preparation method thereof - Google Patents
Sustained-release wheat seed treatment suspending agent and preparation method thereof Download PDFInfo
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- CN116138264A CN116138264A CN202211672413.5A CN202211672413A CN116138264A CN 116138264 A CN116138264 A CN 116138264A CN 202211672413 A CN202211672413 A CN 202211672413A CN 116138264 A CN116138264 A CN 116138264A
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- agent
- seed treatment
- wheat seed
- suspending agent
- carboxin
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- 239000000375 suspending agent Substances 0.000 title claims abstract description 32
- 241000209140 Triticum Species 0.000 title claims abstract description 27
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 27
- 238000013268 sustained release Methods 0.000 title claims description 5
- 239000012730 sustained-release form Substances 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 20
- PGOOBECODWQEAB-UHFFFAOYSA-N (E)-clothianidin Chemical compound [O-][N+](=O)\N=C(/NC)NCC1=CN=C(Cl)S1 PGOOBECODWQEAB-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000005746 Carboxin Substances 0.000 claims abstract description 18
- 239000005888 Clothianidin Substances 0.000 claims abstract description 18
- GYSSRZJIHXQEHQ-UHFFFAOYSA-N carboxin Chemical compound S1CCOC(C)=C1C(=O)NC1=CC=CC=C1 GYSSRZJIHXQEHQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000080 wetting agent Substances 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 9
- 239000002562 thickening agent Substances 0.000 claims abstract description 9
- 239000004480 active ingredient Substances 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- -1 acrylic ester modified butadiene Chemical class 0.000 claims description 9
- 239000004925 Acrylic resin Substances 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 7
- 239000013530 defoamer Substances 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 150000002191 fatty alcohols Chemical class 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical class NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 229920006026 co-polymeric resin Polymers 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 230000036961 partial effect Effects 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000011118 polyvinyl acetate Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 229940051250 hexylene glycol Drugs 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229920001289 polyvinyl ether Polymers 0.000 claims description 2
- 239000007798 antifreeze agent Substances 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 150000003014 phosphoric acid esters Chemical class 0.000 claims 1
- 235000003441 saturated fatty acids Nutrition 0.000 claims 1
- 241000607479 Yersinia pestis Species 0.000 abstract description 6
- 241001124076 Aphididae Species 0.000 abstract description 5
- 201000010099 disease Diseases 0.000 abstract description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241001530056 Athelia rolfsii Species 0.000 abstract description 3
- 241000238631 Hexapoda Species 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009885 systemic effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 125000000373 fatty alcohol group Chemical group 0.000 description 2
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 241001414720 Cicadellidae Species 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000202844 Eriophorum Species 0.000 description 1
- 241001466042 Fulgoromorpha Species 0.000 description 1
- 241000258937 Hemiptera Species 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 102000019315 Nicotinic acetylcholine receptors Human genes 0.000 description 1
- 108050006807 Nicotinic acetylcholine receptors Proteins 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 241001414989 Thysanoptera Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 125000005471 saturated fatty acid group Chemical group 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
- A01N43/32—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Insects & Arthropods (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a slow-release wheat seed treatment suspending agent and a preparation method thereof, wherein the suspending agent comprises the active ingredients of clothianidin, carboxin, an auxiliary agent and water, wherein the mass percentage of clothianidin is 15-20%, the mass percentage of carboxin is 1.5-2.5%, and the auxiliary agent consists of the following components in percentage by weight: 0.5-3% of film forming agent, 1-5% of suspending agent, 1-5% of dispersing agent, 0.5-5% of thickening agent, 0.2-3% of antifreezing agent, 1-5% of wetting agent and 2-10% of other auxiliary agent, and the balance of water. When the seed treatment suspending agent provided by the invention is used for seed treatment, especially wheat seed treatment, the combined action of clothianidin and carboxin flexible components can be used for remarkably preventing and controlling insect pests and diseases of crops, especially aphids and banded sclerotial blight of wheat, and has remarkable effect.
Description
Technical Field
The invention relates to the technical field, in particular to a slow-release wheat seed treatment suspending agent and a preparation method thereof.
Background
Wheat is an important crop and plays an important role in world agricultural production. However, wheat is damaged by various pests and germs in the growth process, such as aphids and banded sclerotial blight, and the yield and quality of the wheat are seriously affected. However, the variety of the medicines used for dressing seeds in the market is various, and improper selection or dosage of the medicines can cause physiological harm to the seeds, so that not only is the emergence rate reduced, but also the growth of seedlings can be inhibited, and the climate and ecological conditions in different planting areas are greatly different, so that the safety of the medicine treatment is affected.
The existing seed treatment agent is generally short in lasting period of pest control in fields, the digestion half-life of a spray preparation in plants is reported to be 3.5-17.3 days, the digestion half-life of a suspension seed coating agent in soil after seed treatment is 20.15 days, and the aphid control effect can reach 43 days. However, the purpose of ideal long-acting slow release control of pests cannot be achieved relative to the whole wheat growth period.
Disclosure of Invention
The invention provides a slow-release wheat seed treatment suspending agent and a preparation method thereof based on at least one of the technical problems.
The slow-release wheat seed treatment suspending agent comprises the effective components of clothianidin, carboxin, an auxiliary agent and water, wherein the mass percentage of the clothianidin is 15-20%, the mass percentage of the carboxin is 1.5-2.5%, and the auxiliary agent consists of the following components in percentage by weight: 0.5-3% of film forming agent, 1-5% of suspending agent, 1-5% of dispersing agent, 0.5-5% of thickening agent, 0.2-3% of antifreezing agent, 1-5% of wetting agent and 2-10% of other auxiliary agent, and the balance of water.
Further preferably, the defoamer is one or more of silicone, AF1500, fatty alcohol of C8-10, saturated fatty acid of C10-20 and esters thereof.
Further preferably, the film forming agent is one or more selected from acrylic resin modified casein film forming agent, chitosan, acrylic resin polyurethane copolymer resin, acrylic ester modified butadiene resin, polyurethane modified nitrocellulose, polyvinyl alcohol, polyethylene glycol and polyvinyl acetate.
Further preferably, the antifreezing agent is one or more selected from ethylene glycol, propylene glycol, glycerol, hexylene glycol, urea, ammonium sulfate, sodium chloride and calcium chloride.
Further preferably, the wetting agent is one or more selected from alkylphenol, fatty alcohol, polyoxyethylene, polypropylene vinyl ether and phosphate.
Further preferably, the other auxiliary agents include a PH adjuster, a colorant, a preservative, and an antifoaming agent.
A preparation method of a sustained-release wheat seed treatment suspending agent comprises the following steps: the clothianidin, carboxin, dispersing agent, antifreezing agent, defoamer, preservative, partial thickener and water are prepared into uniform slurry, ground, and then the rest wetting agent, film forming agent, suspending agent, PH regulator and colorant are added to be uniformly mixed to obtain the suspending agent.
The beneficial effects are that: when the seed treatment suspending agent provided by the invention is used for seed treatment, especially wheat seed treatment, the combined action of clothianidin and carboxin flexible components can be used for remarkably preventing and controlling insect pests and diseases of crops, especially aphids and banded sclerotial blight of wheat, and has remarkable effect.
Detailed Description
In order that the above-recited objects, features and advantages of the invention will be more clearly understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
The slow-release wheat seed treatment suspending agent comprises the effective components of clothianidin, carboxin, an auxiliary agent and water, wherein the mass percentage of the clothianidin is 15-20%, the mass percentage of the carboxin is 1.5-2.5%, and the auxiliary agent consists of the following components in percentage by weight: 0.5-3% of film forming agent, 1-5% of suspending agent, 1-5% of dispersing agent, 0.5-5% of thickening agent, 0.2-3% of antifreezing agent, 1-5% of wetting agent and 2-10% of other auxiliary agent, and the balance of water.
Clothianidin, chemical name (E) -1- (2-chloro-1, 3-thiazole-5-methyl) -3-methyl-2-nitroguanidine, is a pesticide in neonicotinoids, has similar effect to nicotinic acetylcholine receptor and has contact killing, stomach toxicity and systemic activity. The pesticide is mainly used for controlling hemiptera, coleoptera, diptera and some lepidoptera pests such as aphids, leafhoppers, thrips and plant hoppers, has the advantages of high efficiency, broad spectrum, small dosage, low toxicity, long efficacy duration, no phytotoxicity to crops, safe use, no interactive resistance with conventional pesticides and the like, and has excellent systemic and osmotic effects.
Carboxin, chinese alias 5, 6-dihydro-2-methyl-N-phenyl-1, 4-oxathiolane-3-carboxamide, a heterocyclic fungicide with systemic action. The pure product is white needle-like crystal. Is insoluble in water and soluble in organic solvents such as methanol, acetone, benzene, etc. Can be used for preventing and treating cereal smut such as jowar head smut, wheat rust disease, cotton grass disease, and maize disease
The defoamer is one or more of silicone, AF1500, fatty alcohol of C8-10, saturated fatty acid of C10-20 and esters thereof.
The film forming agent is one or more of acrylic resin modified casein film forming agent, chitosan, acrylic resin polyurethane copolymer resin, acrylic ester modified butadiene resin, polyurethane modified nitrocellulose, polyvinyl alcohol, polyethylene glycol and polyvinyl acetate.
Film forming agents are substances capable of forming a continuous film, and mainly play a role in protecting seeds in seed treatment suspending agents, and the decomposition speed of the film forming agents determines the absorption degree of nutrient substances in the seed coating agents by plants. When used in seed treatment, the active ingredient may adhere to the seed surface and form a continuous film of the drug.
The antifreezing agent is one or more of ethylene glycol, propylene glycol, glycerol, hexanediol, urea, ammonium sulfate, sodium chloride and calcium chloride.
Specifically, the antifreezing agent is an auxiliary agent which enables the suspending agent to be stably stored in a low-temperature environment.
The wetting agent is one or more selected from alkylphenol, fatty alcohol, polyoxyethylene, polypropylene vinyl ether and phosphate.
Specifically, the wetting agent can better improve the long-acting property and the slow-release property of the seed treatment suspending agent. It can also enhance the lubrication among particles, reduce the viscosity of the system and reduce the solubility of the raw material in the surfactant.
Other adjuvants include pH regulator, colorant, and antiseptic.
A preparation method of a sustained-release wheat seed treatment suspending agent comprises the following steps: the clothianidin, carboxin, dispersing agent, antifreezing agent, defoamer, preservative, partial thickener and water are prepared into uniform slurry, ground, and then the rest wetting agent, film forming agent, suspending agent, PH regulator and colorant are added to be uniformly mixed to obtain the suspending agent.
Example 1
The slow-release wheat seed treatment suspending agent comprises the effective components of clothianidin, carboxin, an auxiliary agent and water, wherein the mass percentage of the clothianidin is 15%, the mass percentage of the carboxin is 2.5%, and the auxiliary agent consists of the following components in percentage by weight: 2% of film forming agent, 2% of suspending agent, 1.5% of dispersing agent, 2.5% of thickening agent, 0.5% of antifreezing agent, 1.5% of wetting agent and 6% of other auxiliary agents, and the balance of water.
The defoamer is saturated fatty acid with 10-20 carbon atoms.
The film forming agent is acrylic resin modified casein film forming agent.
The antifreezing agent is a mixed preparation of hexanediol and urea.
The wetting agent is selected from polyvinyl ether.
Example two
The slow-release wheat seed treatment suspending agent comprises the active ingredients of clothianidin, carboxin, an auxiliary agent and water, wherein the mass percentage of the clothianidin is 20%, the mass percentage of the carboxin is 1.5%, and the auxiliary agent consists of the following components in percentage by weight: 1% of film forming agent, 3% of suspending agent, 2% of dispersing agent, 2.5% of thickening agent, 1.5% of antifreezing agent, 3% of wetting agent and 7% of other auxiliary agents, and the balance of water.
The defoamer is fatty alcohol with C8-10.
The film forming agent is acrylate modified butadiene resin.
The antifreezing agent is glycol.
The wetting agent is fatty alcohol.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The slow-release wheat seed treatment suspending agent is characterized by comprising the following active ingredients of clothianidin, carboxin and auxiliary agent and water, wherein the mass percentage content of the clothianidin is 15-20%, the mass percentage content of the carboxin is 1.5-2.5%, and the auxiliary agent consists of the following components in percentage by weight: 0.5-3% of film forming agent, 1-5% of suspending agent, 1-5% of dispersing agent, 0.5-5% of thickening agent, 0.2-3% of antifreezing agent, 1-5% of wetting agent and 2-10% of other auxiliary agent, and the balance of water.
2. The slow release wheat seed treatment suspension of claim 1, wherein the antifoaming agent is one or more of silicone, AF1500, fatty alcohols of C8-10, saturated fatty acids of C10-20 and esters thereof.
3. The slow-release wheat seed treatment suspending agent according to claim 1, wherein the film-forming agent is one or more selected from the group consisting of acrylic resin modified casein film-forming agent, chitosan, acrylic resin polyurethane copolymer resin, acrylic ester modified butadiene resin, polyurethane modified nitrocellulose, polyvinyl alcohol, polyethylene glycol, and polyvinyl acetate.
4. The slow release wheat seed treatment suspending agent according to claim 1, wherein the antifreeze agent is one or more selected from the group consisting of ethylene glycol, propylene glycol, glycerol, hexylene glycol, urea, ammonium sulfate, sodium chloride, and calcium chloride.
5. The slow release wheat seed treatment suspension of claim 1, wherein the wetting agent is one or more selected from the group consisting of alkylphenols, fatty alcohols, polyoxyethylene, polyvinyl ethers, and phosphate esters.
6. The slow release wheat seed treatment suspension of claim 1, wherein the other adjuvants include PH modifiers, colorants, preservatives.
7. The method for preparing a sustained-release wheat seed treatment suspension as claimed in any one of claims 1 to 6, comprising the steps of: the clothianidin, carboxin, dispersing agent, antifreezing agent, defoamer, preservative, partial thickener and water are prepared into uniform slurry, ground, and then the rest wetting agent, film forming agent, suspending agent, PH regulator and colorant are added to be uniformly mixed to obtain the suspending agent.
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| CN202211672413.5A CN116138264A (en) | 2022-12-26 | 2022-12-26 | Sustained-release wheat seed treatment suspending agent and preparation method thereof |
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| CN202211672413.5A CN116138264A (en) | 2022-12-26 | 2022-12-26 | Sustained-release wheat seed treatment suspending agent and preparation method thereof |
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Citations (3)
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| CN103300043A (en) * | 2012-03-08 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing carboxin |
| CN105638718A (en) * | 2012-03-08 | 2016-06-08 | 陕西韦尔奇作物保护有限公司 | Pesticide composition with carboxin |
| CN111919852A (en) * | 2020-08-20 | 2020-11-13 | 河南喜夫农生物科技有限公司 | Seed treatment suspending agent and preparation method and application thereof |
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2022
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103300043A (en) * | 2012-03-08 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing carboxin |
| CN105638718A (en) * | 2012-03-08 | 2016-06-08 | 陕西韦尔奇作物保护有限公司 | Pesticide composition with carboxin |
| CN111919852A (en) * | 2020-08-20 | 2020-11-13 | 河南喜夫农生物科技有限公司 | Seed treatment suspending agent and preparation method and application thereof |
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