CN106212452A - A kind of water dispersible granules of Herbicidal combinations and its preparation method and application - Google Patents
A kind of water dispersible granules of Herbicidal combinations and its preparation method and application Download PDFInfo
- Publication number
- CN106212452A CN106212452A CN201610532243.9A CN201610532243A CN106212452A CN 106212452 A CN106212452 A CN 106212452A CN 201610532243 A CN201610532243 A CN 201610532243A CN 106212452 A CN106212452 A CN 106212452A
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- CN
- China
- Prior art keywords
- sodium
- water dispersible
- glyphosate
- prometryn
- sulfate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000004562 water dispersible granule Substances 0.000 title claims abstract description 55
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 9
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000005562 Glyphosate Substances 0.000 claims abstract description 39
- 229940097068 glyphosate Drugs 0.000 claims abstract description 39
- 239000005533 Fluometuron Substances 0.000 claims abstract description 38
- RZILCCPWPBTYDO-UHFFFAOYSA-N fluometuron Chemical compound CN(C)C(=O)NC1=CC=CC(C(F)(F)F)=C1 RZILCCPWPBTYDO-UHFFFAOYSA-N 0.000 claims abstract description 38
- AAEVYOVXGOFMJO-UHFFFAOYSA-N prometryn Chemical compound CSC1=NC(NC(C)C)=NC(NC(C)C)=N1 AAEVYOVXGOFMJO-UHFFFAOYSA-N 0.000 claims abstract description 38
- 241000196324 Embryophyta Species 0.000 claims abstract description 29
- 239000002270 dispersing agent Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000000080 wetting agent Substances 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 27
- 229920000142 Sodium polycarboxylate Polymers 0.000 claims description 21
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 20
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 20
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 19
- 239000004202 carbamide Substances 0.000 claims description 19
- 238000009333 weeding Methods 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 16
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 16
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 15
- 239000006229 carbon black Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 13
- 229910052708 sodium Inorganic materials 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 235000001602 Digitaria X umfolozi Nutrition 0.000 claims description 6
- 235000017898 Digitaria ciliaris Nutrition 0.000 claims description 6
- 235000005476 Digitaria cruciata Nutrition 0.000 claims description 6
- 235000006830 Digitaria didactyla Nutrition 0.000 claims description 6
- 235000005804 Digitaria eriantha ssp. eriantha Nutrition 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- -1 fatty acid sulfate Chemical class 0.000 claims description 6
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
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- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 4
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- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- JSYPRLVDJYQMAI-ODZAUARKSA-N (z)-but-2-enedioic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)\C=C/C(O)=O JSYPRLVDJYQMAI-ODZAUARKSA-N 0.000 claims description 3
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 240000006162 Chenopodium quinoa Species 0.000 claims description 3
- 244000234609 Portulaca oleracea Species 0.000 claims description 3
- 235000001855 Portulaca oleracea Nutrition 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
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- 239000000440 bentonite Substances 0.000 claims description 3
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims description 3
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- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 3
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- 229960000776 sodium tetradecyl sulfate Drugs 0.000 claims description 3
- PYODKQIVQIVELM-UHFFFAOYSA-M sodium;2,3-bis(2-methylpropyl)naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CC(C)C)C(CC(C)C)=CC2=C1 PYODKQIVQIVELM-UHFFFAOYSA-M 0.000 claims description 3
- UPUIQOIQVMNQAP-UHFFFAOYSA-M sodium;tetradecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCOS([O-])(=O)=O UPUIQOIQVMNQAP-UHFFFAOYSA-M 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
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- 240000002307 Solanum ptychanthum Species 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
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- 235000019838 diammonium phosphate Nutrition 0.000 claims description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 2
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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
- 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
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
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- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
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- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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Abstract
The present invention relates to water dispersible granules of a kind of Herbicidal combinations and its preparation method and application, belong to technical field of pesticide.The present invention, first with fluometuron, prometryn, glyphosate as effective ingredient, adds dispersant, wetting agent, disintegrating agent and filler and has prepared water dispersible granules.The water dispersible granules of the present invention, can prevent and kill off annual gramineous weed, broad leaved weed, dogstail, dried tuber and some perennial weeds effectively；And dosage can be reduced, save Financial cost, reduce medicament residual in the environment, herbicide resistance can also be delayed simultaneously.It addition, the disintegration time of the water dispersible granules of the present invention less than 102s, screen rate higher than 90%, suspensibility is higher than 70%；Possess that disintegration rate is fast, screen rate is high, suspensibility is high, good stability (heat storage still possesses, after 14 days, the advantage that disintegration rate is fast, screen rate is high, suspensibility is high).
Description
Technical Field
The invention relates to a water dispersible granule of a weeding composition, a preparation method and application thereof, and belongs to the technical field of pesticides.
Background
Prometryn (Prometryn, 4, 6-bisisopropylamino-2-methylthio-1, 3, 5-triazine, N '-bis (isopropylamino) -6-methylthio-1, 3, 5-triazene, 4, 6-bis (isopropylamino) -2-methylthio-1, 3, 5-triazine, 4, 6-bisisopropyl-2-methylthio-s-triazine, N' -bis (1-methylethyl) -6- (methylthio) -1,3, 5-triazine-2, 4-diamine) belongs to s-triazine herbicides and has a systemic conduction effect. Can be absorbed from roots, or permeated into plants from stems and leaves, and transported to green leaves to inhibit photosynthesis, so that weeds are green and dry and die. The herbicide composition is suitable for crops such as rice, wheat, soybean, cotton, sugarcane, fruit trees, vegetables and the like, and can be used for preventing and killing annual broadleaf weeds, grasses, nutgrass flatsedge and certain perennial weeds such as crabgrass, green bristlegrass herb, barnyard grass, monochoria vaginalis, Equisetum hybridum and the like, and perennial eyeweed, Elephantopus scaber and the like.
Fujiron (Fluometurone, chemical name: Suzuku, Hibiscus horridus, Fujiron, Fluometuron, metolachlor, Younguron, Fluometuron, 1-dimethyl-3- (3-trifluoromethylphenyl) urea, N-dimethyl-N' - [3- (trifluoromethyl) phenyl ] urea) is substituted urea herbicide, and is systemic conductive herbicide for dry land. The weeds are absorbed by the roots and inhibit photosynthesis. Can be used for preventing and killing annual grassy weeds and broadleaf weeds in cotton, corn, sugarcane and fruit trees, such as barnyard grass, cricket grass, bluegrass, crabgrass, sowthistle herb, nutgrass flatsedge, alopecurus, amaranth, green bristlegrass, quinoa, purslane, semen Euphorbiae, etc.
Glyphosate (Glyphosate, chemical name: Glyphosate; Roundup; Glyphosate; N- (phosphonomethyl) glycine) is a systemic conduction type broad-spectrum biocidal herbicide. Mainly inhibits enol pyruvyl shikimate phosphate synthase in plants, thereby inhibiting the conversion of shikimate to phenylalanine, tyrosine and tryptophan, interfering protein synthesis and leading to plant death. Can be used for weeds in apple orchard, peach orchard, vineyard, pear orchard, tea garden, mulberry orchard and farmland fallow land, and can be used for treating barnyard grass, alopecurus, gooseberry, goosegrass, crabgrass, xanthium sibiricum, chenopodium album, chickweed, cleavers and annual weeds.
The single bactericide is used in a large amount for a long time, easily causes the drug resistance of weeds, increases the dosage, reduces the control effect, shortens the lasting period and is not beneficial to the sustainable development of the environment. One of the common methods for delaying the resistance of weeds to drugs is to compound active ingredients with different mechanisms of action. The water dispersible granule prepared by compounding the fluometuron, the prometryn and the glyphosate is not reported at home and abroad at present.
Disclosure of Invention
The invention aims to provide a water dispersible granule containing glyphosate, fluometuron and prometryn, and having the advantages of high disintegration speed, high sieving rate and high suspension rate. The water dispersible granule of the weeding composition has excellent performance and excellent weeding effect, avoids the generation of drug resistance of weeds, increases the duration of the drug, and is beneficial to the sustainable development of the environment.
The invention also provides a preparation method and application of the water dispersible granule of the weeding composition.
The technical scheme is as follows:
a water dispersible granule of a weeding composition comprises the following components in percentage by mass:
5-70% of fluometuron, 5-70% of prometryn, 5-40% of glyphosate, 5-10% of a dispersant, 2-10% of a wetting agent, 1-10% of a disintegrating agent and the balance of a filler;
the dispersing agent is one or more than two of calcium lignosulfonate, maleic acid-acrylic acid copolymer salt, polyoxyethylene-polyoxypropylene block copolymer, sodium alkyl phenol sulfonate, sodium alkyl naphthalene sulfonic acid formaldehyde condensate, sodium naphthalene sulfonic acid formaldehyde condensate, ethylene oxide-propylene oxide block copolymer and sodium polycarboxylate;
the wetting agent is one or more than two of sodium dodecyl sulfate, a-sulfo fatty acid methyl ester, sodium tetradecyl sulfate, sodium dodecyl benzene sulfonate, sodium alkyl naphthalene sulfonate, a-olefin sodium sulfonate, sodium alkylphenol polyoxyethylene ether sulfate, sodium lignin sulfonate, nekal BX, fatty acid sulfate and fatty acid ester sulfate;
the disintegrating agent is one or more than two of potassium sulfate, sodium carboxymethylcellulose, potassium chloride, diammonium hydrogen phosphate, urea, sodium sulfate, ammonium nitrate, calcium chloride and sodium chloride;
the filler is one or more than two of kaolin, bentonite, talcum powder, attapulgite, diatomite, white carbon black, starch and light calcium carbonate.
The water dispersible granule of the weeding composition can be used for preventing and treating annual or perennial grassy, broadleaf weeds and nutgrass flatsedge, such as barnyard grass, crab grass, green bristlegrass, moleplant seed, cricket grass, alopecurus, bluegrass, starwort, black nightshade, nutgrass flatsedge, purslane, acalypha australis, chenopodium quinoa, cardamine, monochoria vaginalis, Equisetum arvense, perennial eyedrops, and common scouring rush herb.
Experimental research shows that the contents of effective ingredients (fluometuron, prometryn and glyphosate) and a dispersant, a wetting agent and a disintegrating agent influence the disintegration speed, the sieving rate, the suspension rate and the weeding effect of the prepared water dispersible granule.
Therefore, the water dispersible granule of the herbicidal composition preferably comprises the following components:
20-60% of fluometuron, 20-60% of prometryn, 5-25% of glyphosate, 4.5% of a dispersant, 2% of a wetting agent, 1.25% of a disintegrating agent and the balance of a filler.
Experimental research also shows that the water dispersible granules can be prepared by using the dispersing agent, the wetting agent and the disintegrating agent, and the water dispersible granules have the disintegration time of less than 102s, the sieving rate of more than 90% and the suspension rate of more than 70%. However, the water dispersible granules prepared by selecting different dispersing agents, wetting agents and disintegrating agents have obvious differences in disintegration speed, sieving rate and suspension rate. When the dispersing agent is formed by mixing sodium polycarboxylate and calcium lignosulfonate according to the mass ratio of 3:1.5-2, the wetting agent is formed by mixing sodium dodecyl sulfate and sodium lignosulfonate according to the mass ratio of 1:1, and the disintegrating agent is formed by mixing ammonium sulfate and urea according to the mass ratio of 1.5:1, the disintegration time of the prepared water dispersible granule is less than 59s, the sieving rate is higher than 99.9%, and the suspension rate is higher than 92.4%, which are obviously higher than the disintegration capacity, the sieving rate and the suspension rate of the water dispersible granule prepared by selecting other dispersing agents, wetting agents and disintegrating agents.
Therefore, the water dispersible granule of the herbicidal composition is preferably,
the dispersing agent is formed by mixing sodium polycarboxylate and calcium lignosulfonate according to the mass ratio of 3: 1.5-2;
the wetting agent is formed by mixing sodium dodecyl sulfate and sodium lignin sulfonate according to the mass ratio of 1: 1;
the disintegrating agent is formed by mixing ammonium sulfate and urea according to the mass ratio of 1.5: 1.
More preferably, the dispersing agent is formed by mixing sodium polycarboxylate and calcium lignosulfonate according to the mass ratio of 2: 1.
More preferably, the water dispersible granule of the herbicidal composition comprises the following components:
17% of glyphosate, 34% of fluometuron, 34% of prometryn, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
6% of glyphosate, 36% of fluometuron, 36% of prometryn, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
6% of glyphosate, 25% of fluometuron, 25% of prometryn, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
12% of glyphosate, 34% of fluometuron, 34% of prometryn, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black.
A preparation method of the water dispersible granule of the weeding composition comprises the following steps: uniformly mixing prometryn, fluometuron, glyphosate, a dispersing agent, a wetting agent, a disintegrating agent and a filler, crushing the mixture to a particle size of 20-40 mu m by a jet mill, uniformly mixing the mixture, adding water, kneading, extruding and granulating the mixture, and drying the mixture at 40-50 ℃;
the amount of the added water is equivalent to 20-30% of the total mass of the prometryn, the fluometuron, the glyphosate, the dispersing agent, the wetting agent, the disintegrating agent and the filler.
The invention has the beneficial effects that: (1) the water dispersible granules of the weeding composition disclosed by the invention contain herbicides with the same action mechanism of active ingredients of the fluometuron, the prometryn and the glyphosate, and the three ingredients are mixed with each other to expand a weeding spectrum and improve the weeding efficiency; (2) the water dispersible granules of the weeding composition have good synergistic effect in a certain range, the control effect is higher than that of a single agent, the dosage is small, the drug resistance of diseases is avoided, the drug duration is prolonged, and the environment sustainable development is facilitated; (3) the water dispersible granule of the weeding composition has special effects on preventing and treating annual grassy weeds, broadleaf weeds, grasses, nutgrass flatsedge and certain perennial weeds of rice, wheat, corn, sugarcane, vegetables, fruit trees and the like; (4) the water dispersible granule of the weeding composition has the advantages of high disintegration speed, high sieving rate, high suspension rate and good stability (the advantages of high disintegration speed, high sieving rate and high suspension rate are still realized after 14 days of thermal storage).
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited thereto. Unless otherwise specified, the percentages in the following examples are percentages by mass.
Example 185% Glyphosate-Fumeturon-prometryn Water dispersible granule
17% of glyphosate, 34% of fluometuron, 34% of prometryn, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and 100% of white carbon black, and granulating and drying to prepare 85% of water dispersible granules.
Example 278% Glyphosate-Fumeturon-prometryn Water dispersible granule
6% of glyphosate, 36% of fluometuron, 36% of prometryn, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and 100% of white carbon black, and granulating and drying to prepare 78% of water dispersible granules.
Example 356% Glyphosate-Fumeturon-prometryn Water dispersible granule
6% of glyphosate, 25% of fluometuron, 25% of prometryn, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and 100% of white carbon black, and granulating and drying to prepare 84% of water dispersible granules.
Example 480% Glyphosate-Fumeturon-prometryn Water dispersible granules
12% of glyphosate, 34% of fluometuron, 34% of prometryn, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and 100% of white carbon black, and granulating and drying to prepare 80% water dispersible granules.
Example 572% Glyphosate-Fumeturon-prometryn Water dispersible granules
12% of glyphosate, 30% of fluometuron, 30% of prometryn, 5% of maleic acid-acrylic acid copolymer salt, 3% of nekal BX, 15% of ammonium sulfate, 5% of sodium sulfate and 100% of starch are added, and the mixture is granulated and dried to prepare 72% of water dispersible granules.
Example 650% Glyphosate-Fumeturon-prometryn Water dispersible granule
6% of glyphosate, 22% of fluometuron, 22% of prometryn, 3% of sodium polycarboxylate, 3% of ethylene oxide-propylene oxide block copolymer, 1% of sodium tetradecyl sulfate, 1% of sodium lignosulfonate, 28% of calcium chloride and 100% of light calcium carbonate, granulating and drying to prepare 56% of water dispersible granules.
Example 762% Glyphosate-Volumone-prometryn Water dispersible granule
12% of glyphosate, 30% of fluometuron, 30% of prometryn, 5% of sodium alkyl phenolsulfonate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 15% of potassium sulfate, 7% of urea, 5% of sodium hydroxymethyl cellulose and 100% of bentonite, and granulating and drying to prepare 62% of water dispersible granules.
Example 835% Glyphosate-Volumone-prometryn Water dispersible granule
5% of glyphosate, 15% of fluometuron, 15% of prometryn, 4% of sodium polycarboxylate, 1.5% of sodium salt of a naphthalenesulfonic acid formaldehyde condensate, 2% of an ethylene oxide-propylene oxide block copolymer, 1% of sodium dodecyl sulfate, 2% of sodium alpha-olefin sulfonate, 21% of sodium chloride and 100% of talcum powder, and granulating and drying to obtain the 35% water dispersible granule.
The product quality stability of the glyphosate, fluometuron and prometryn water dispersible granules prepared by the above examples is tested, and the results are shown in table 1;
TABLE 1 variation of quality of water dispersible granule prepared by compounding glyphosate, fluometuron and prometryn
(ii) a In Table 1, the temperature of the hot storage was 54 ℃ and the storage was carried out in the dark.
Table 1 shows that the water dispersible granules of examples 5, 6, 7 and 8 have obviously poor quality after heat storage and do not meet the product quality requirement, while examples 1, 2, 3 and 4 using preferred additives (dispersing agent, wetting agent and disintegrating agent) have good quality before and after heat storage, and the preferred additives play a key role in the product quality.
The drug effects of the glyphosate, fluometuron and prometryn compound water dispersible granules prepared in the above embodiments are tested, and the results are shown in table 2.
Control agents: prometryn 50% WG (commercially available), fluometuron 80% WG (commercially available), 80% ammonium glyphosate soluble granules (commercially available).
The test conditions are as follows: the experiment is arranged in a test corn field of the Weifang city in Shandong province as an experimental area, the coverage of weeds is about 65 percent, the grass height is 3-6cm, and the Weifang city Weifang corn field grows vigorously and is young and tender. The weeds mainly comprise: crab grass (Digitaria sanguinalis (L.) Scop), goosegrass (Eleusines indica (L.) Gaertn.), green bristlegrass (Setaria viridis (L.) Beauv), barnyard grass (Echinochloa crusgalli (L.) Beauv) and sedge grass (Echinochloa crusgalli (L.) Beauv).
Cell division: dividing a test land block into a plurality of cells, wherein the area of each cell is 100m2And ridges are used for blocking among each cell, and test cells are randomly arranged. The test was performed with 19 treatments, drug control, blank control, and drug treatment, each of which was repeated 3 times.
The test method comprises the following steps: in the chemical treatment area, the dry suspending agent of each embodiment of the invention is used for calculating the using amount of each cell according to the cell area and the using amount of each effective component (the using amount in the table 2), the stem and leaf of a worker-farm-16 type knapsack manual sprayer are used for spraying, and the liquid medicine is prepared by adding 600kg of water into the preparation per hectare.
The investigation method comprises the following steps: the residual plant number and fresh weight of the weeds are investigated 30d after the application of the herbicide, and the plant number control effect and the fresh weight control effect are calculated. Meanwhile, the growth condition of the wheat is observed irregularly after the pesticide is applied, and the occurrence of pesticide damage is observed.
The calculation formula is as follows:
and in the control area, no medicament is sprayed.
During the test, the compound preparation of the invention has no adverse effect on corn within the test application range, and the test results are shown in table 2:
table 2 results of weeding experiments in corn fields using glyphosate, fluometuron and prometryn compound preparation (water dispersible granules)
(ii) a As can be seen from Table 2, the glyphosate, the fluometuron and the prometryn can effectively prevent and control the weeds in the corn field after being compounded, and the prevention and control effect is better than that of a control medicament. Wherein, the good quality examples 1-4 are the preferred examples of the invention, the control effect is obviously better than other examples, and the control effect on corn weeds reaches more than 95%; the control effect of other examples is about 90 percent and is also superior to that of a control medicament. Compared with the embodiment of the invention, the compounding of the glyphosate, the fluometuron and the prometryn can obviously improve the weed control effect, not only reduces the dosage of the herbicide, but also expands the weed control spectrum.
Claims (8)
1. The water dispersible granule of the weeding composition is characterized by comprising the following components in percentage by mass:
5-70% of fluometuron, 5-70% of prometryn, 5-40% of glyphosate, 5-10% of a dispersant, 2-10% of a wetting agent, 1-10% of a disintegrating agent and the balance of a filler;
the dispersing agent is one or more than two of calcium lignosulfonate, maleic acid-acrylic acid copolymer salt, polyoxyethylene-polyoxypropylene block copolymer, sodium alkyl phenol sulfonate, sodium alkyl naphthalene sulfonic acid formaldehyde condensate, sodium naphthalene sulfonic acid formaldehyde condensate, ethylene oxide-propylene oxide block copolymer and sodium polycarboxylate;
the wetting agent is one or more than two of sodium dodecyl sulfate, a-sulfo fatty acid methyl ester, sodium tetradecyl sulfate, sodium dodecyl benzene sulfonate, sodium alkyl naphthalene sulfonate, a-olefin sodium sulfonate, sodium alkylphenol polyoxyethylene ether sulfate, sodium lignin sulfonate, nekal BX, fatty acid sulfate and fatty acid ester sulfate;
the disintegrating agent is one or more than two of potassium sulfate, sodium carboxymethylcellulose, potassium chloride, diammonium hydrogen phosphate, urea, sodium sulfate, ammonium nitrate, calcium chloride and sodium chloride;
the filler is one or more than two of kaolin, bentonite, talcum powder, attapulgite, diatomite, white carbon black, starch and light calcium carbonate.
2. Water dispersible granules of herbicidal compositions according to claim 1, characterized in that they consist of:
20-60% of fluometuron, 20-60% of prometryn, 5-25% of glyphosate, 4.5% of a dispersant, 2% of a wetting agent, 1.25% of a disintegrating agent and the balance of a filler.
3. The water dispersible granule of the herbicidal composition as claimed in claim 1 or 2, wherein the dispersant is prepared by mixing a sodium polycarboxylate salt and calcium lignosulfonate in a mass ratio of 3: 1.5-2;
the wetting agent is formed by mixing sodium dodecyl sulfate and sodium lignin sulfonate according to the mass ratio of 1: 1;
the disintegrating agent is formed by mixing ammonium sulfate and urea according to the mass ratio of 1.5: 1.
4. The water dispersible granule of the herbicidal composition as claimed in claim 3, wherein the dispersant is prepared by mixing sodium polycarboxylate and calcium lignosulfonate in a mass ratio of 2: 1.
5. Water dispersible granules of herbicidal compositions according to claim 4, characterized in that they consist of:
34% of fluometuron, 34% of prometryn, 17% of glyphosate, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
36% of fluometuron, 36% of prometryn, 6% of glyphosate, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
25% of fluometuron, 25% of prometryn, 6% of glyphosate, 3% of sodium polycarboxylate, 2% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black; or,
34% of fluometuron, 34% of prometryn, 12% of glyphosate, 3% of sodium polycarboxylate, 1.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 1% of sodium lignosulfonate, 0.75% of ammonium sulfate, 0.5% of urea and the balance of white carbon black.
6. A method for preparing water dispersible granule of the herbicidal composition of any one of claims 1 to 5, characterized in that prometryn, fluometuron, glyphosate, dispersant, wetting agent, disintegrant and filler are mixed uniformly, crushed to particle size of 20-40 μm by jet mill and then mixed uniformly, then water is added for kneading, extrusion granulation is carried out, and drying is carried out at 40-50 ℃;
the amount of the added water is equivalent to 20-30% of the total mass of the prometryn, the fluometuron, the glyphosate, the dispersing agent, the wetting agent, the disintegrating agent and the filler.
7. Use of water dispersible granules of the herbicidal composition according to any one of claims 1 to 5 for controlling annual or perennial grasses, broadleaf weeds and sedges.
8. The use as claimed in claim 7 for controlling barnyard grass, crabgrass, green bristlegrass, stephania japonica, cricket grass, alopecurus, bluegrass, chickweed, black nightshade, sedge, purslane, acalypha australis, quinoa, cardamine, monochoria vaginalis, monochoria japonica, and perennial eyedrops, and boehmeria nivea.
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| CN111387197A (en) * | 2020-05-20 | 2020-07-10 | 山东潍坊润丰化工股份有限公司 | Prometryn water dispersible granule and preparation method thereof |
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| CN103734175A (en) * | 2013-12-30 | 2014-04-23 | 浙江中山化工集团股份有限公司 | Novel compound weeding preparation for cotton fields and preparation method thereof |
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| CN110810404A (en) * | 2019-10-24 | 2020-02-21 | 惠州市银农科技股份有限公司 | Water dispersible granule containing glyphosate and preparation method thereof |
| CN111387197A (en) * | 2020-05-20 | 2020-07-10 | 山东潍坊润丰化工股份有限公司 | Prometryn water dispersible granule and preparation method thereof |
| CN111387197B (en) * | 2020-05-20 | 2022-03-29 | 山东潍坊润丰化工股份有限公司 | Prometryn water dispersible granule and preparation method thereof |
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Address after: 250100 Shandong Ji'nan high tech Zone comprehensive free trade zone, 1 north section of three Xing Road, Ji'nan No. 2, R & D platform area, 901 Applicant after: Run Bo bio tech ltd, Shandong Address before: 250000 A601, 6 / F, Ji'nan hi tech Innovation Service Center, 750 Shun Hua Road, Ji'nan hi tech Zone, Shandong. Applicant before: Run Bo bio tech ltd, Shandong |
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Application publication date: 20161214 |