CN114467951A - High-stability herbicide for paddy fields and preparation method thereof - Google Patents
High-stability herbicide for paddy fields and preparation method thereof Download PDFInfo
- Publication number
- CN114467951A CN114467951A CN202210136760.XA CN202210136760A CN114467951A CN 114467951 A CN114467951 A CN 114467951A CN 202210136760 A CN202210136760 A CN 202210136760A CN 114467951 A CN114467951 A CN 114467951A
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- Prior art keywords
- herbicide
- methyl
- paddy field
- stability
- water
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- 239000004009 herbicide Substances 0.000 title claims abstract description 66
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002270 dispersing agent Substances 0.000 claims abstract description 25
- 239000002562 thickening agent Substances 0.000 claims abstract description 25
- 239000007798 antifreeze agent Substances 0.000 claims abstract description 22
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000011230 binding agent Substances 0.000 claims abstract description 21
- YLPGTOIOYRQOHV-UHFFFAOYSA-N Pretilachlor Chemical compound CCCOCCN(C(=O)CCl)C1=C(CC)C=CC=C1CC YLPGTOIOYRQOHV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000005472 Bensulfuron methyl Substances 0.000 claims abstract description 18
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical group COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 claims abstract description 18
- USSIUIGPBLPCDF-KEBDBYFISA-N pyriminobac-methyl Chemical group CO\N=C(/C)C1=CC=CC(OC=2N=C(OC)C=C(OC)N=2)=C1C(=O)OC USSIUIGPBLPCDF-KEBDBYFISA-N 0.000 claims abstract description 18
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 claims abstract description 17
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229940095100 fulvic acid Drugs 0.000 claims abstract description 17
- 239000002509 fulvic acid Substances 0.000 claims abstract description 17
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 30
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 claims description 28
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000004448 titration Methods 0.000 claims description 21
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- 230000032683 aging Effects 0.000 claims description 14
- 239000012266 salt solution Substances 0.000 claims description 14
- 238000007873 sieving Methods 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 8
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 6
- 229920001732 Lignosulfonate Polymers 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 229920000881 Modified starch Polymers 0.000 claims description 5
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims description 5
- 229960001826 dimethylphthalate Drugs 0.000 claims description 5
- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 claims description 5
- 229940073769 methyl oleate Drugs 0.000 claims description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 4
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 4
- 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 4
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- 239000004323 potassium nitrate Substances 0.000 claims description 4
- 235000010333 potassium nitrate Nutrition 0.000 claims description 4
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 4
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229940074411 xylene Drugs 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 abstract description 22
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 206010059866 Drug resistance Diseases 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000009333 weeding Methods 0.000 description 12
- 241000209094 Oryza Species 0.000 description 10
- 235000007164 Oryza sativa Nutrition 0.000 description 10
- 235000009566 rice Nutrition 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 244000058871 Echinochloa crus-galli Species 0.000 description 3
- KZNDFYDURHAESM-UHFFFAOYSA-N 2-chloro-n-(2-ethyl-6-methylphenyl)-n-(propan-2-yloxymethyl)acetamide Chemical compound CCC1=CC=CC(C)=C1N(COC(C)C)C(=O)CCl KZNDFYDURHAESM-UHFFFAOYSA-N 0.000 description 2
- 240000001592 Amaranthus caudatus Species 0.000 description 2
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 2
- 244000075634 Cyperus rotundus Species 0.000 description 2
- 235000016854 Cyperus rotundus Nutrition 0.000 description 2
- 241001553700 Euphorbia lathyris Species 0.000 description 2
- FCOHEOSCARXMMS-UHFFFAOYSA-N Oxaziclomefone Chemical compound C1OC(C)=C(C=2C=CC=CC=2)C(=O)N1C(C)(C)C1=CC(Cl)=CC(Cl)=C1 FCOHEOSCARXMMS-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 235000012735 amaranth Nutrition 0.000 description 2
- 239000004178 amaranth Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241001290610 Abildgaardia Species 0.000 description 1
- 244000026873 Alternanthera philoxeroides Species 0.000 description 1
- 241000168734 Bolboschoenus planiculmis Species 0.000 description 1
- 241000234646 Cyperaceae Species 0.000 description 1
- 241000234653 Cyperus Species 0.000 description 1
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 244000286838 Eclipta prostrata Species 0.000 description 1
- 240000003483 Leersia hexandra Species 0.000 description 1
- 240000000178 Monochoria vaginalis Species 0.000 description 1
- 241000173219 Paspalum distichum Species 0.000 description 1
- 244000184734 Pyrus japonica Species 0.000 description 1
- 229940100389 Sulfonylurea Drugs 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FUHMZYWBSHTEDZ-UHFFFAOYSA-M bispyribac-sodium Chemical compound [Na+].COC1=CC(OC)=NC(OC=2C(=C(OC=3N=C(OC)C=C(OC)N=3)C=CC=2)C([O-])=O)=N1 FUHMZYWBSHTEDZ-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 1
- 230000005068 transpiration Effects 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- 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
-
- 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
- A01N25/30—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 characterised by the surfactants
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: 10-15% of pyriminobac-methyl, 10-12% of pretilachlor, 4-9% of bensulfuron-methyl, 5-8% of inorganic salt, 0.2-0.5% of sodium dodecyl benzene sulfonate, 0.5-2.5% of fulvic acid, 0.5-1.5% of dispersant, 0.2-0.8% of antifreeze agent, 1-4% of hydrotalcite-like carrier, 0.4-1.2% of thickening agent, 0.5-1% of binder, 10-15% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%. Also discloses a preparation method of the herbicide. The pyriminobac-methyl, the pretilachlor and the bensulfuron methyl are taken as active components, and after compounding, the drug resistance of weeds is slowed down through the synergistic effect among different active components; in addition, the stability of the herbicide is improved by adding the antifreeze agent, the thickening agent and the dispersing agent, and various performance indexes in the period of validity are ensured to meet the requirements.
Description
Technical Field
The invention belongs to the technical field of agricultural medicine preparation processes, and particularly relates to a high-stability herbicide for a paddy field and a preparation method of the herbicide for the paddy field.
Background
Weeds in the rice field compete for fertilizer, light and space with rice, so that poor growth of the rice and reduction of yield and quality become one of main factors influencing rice production. In recent years, the difficulty of weed control has been increasing with the change of weed phase in rice fields. At present, the types of weeds in rice fields are nearly 40, and gramineous weeds with high occurrence frequency include barnyard grass, moleplant seeds, paspalum distichum, Leersia hexandra, weedy rice and pseudooryzae; the Cyperaceae weeds include shaped Cyperus rotundus, rhizoma Sparganii, Fluoritum (tuber and seed reproduction), Cyperus rotundus, Scirpus planiculmis, and herba Salsolae Collinae; the broad-leaved weeds comprise amaranth, eclipta prostrata, monochoria vaginalis, stranguria japonica, jie-weed, short arrowhead and alternanthera philoxeroides. Wherein the weeds such as the paddy rice, the barnyard grass, the moleplant seed, the amaranth, the carp intestine and the like become main weeds seriously harmful to the production of the paddy rice. Chemical control is time-saving and labor-saving, and is widely used due to its fast action, good effect, convenient use and no regional seasonal restriction.
At present, a common herbicide is an organic compound, for example, Chinese patent (application number: 201910349960.1, publication number: CN110024788A) discloses a bicyclosulfuron-compounded herbicide for paddy fields, which comprises bicyclosulfuron-methyl, pretilachlor, bispyribac-sodium, an auxiliary agent and a carrier, the compound herbicide is adopted, the defect that the weeding effect of the bicyclosulfuron-methyl on broadleaf weeds is poor is overcome, the herbicide is wide in weed control range and low in dosage, but the weeding speed is slow, and the weeding speed is not easy to degrade. Chinese patent (application number: 201710284574.X, publication number: CN106973918A) discloses a herbicide composition containing oxaziclomefone and propisochlor and application thereof, wherein the herbicide composition comprises oxaziclomefone and propisochlor, the control effect of the herbicide composition is superior to the activity of the herbicide composition when the herbicide composition is used alone, the generation of weed resistance is slowed down, and the herbicide composition is safe for crops; however, the herbicide has a single active component, cannot meet the requirement of weeding in the whole growth process of rice, and the active component is easy to lose effectiveness and poor in stability.
Disclosure of Invention
The invention aims to provide a high-stability herbicide for paddy fields, which has a synergistic effect on weed control and improves the weed removal efficiency.
The invention also aims to provide a preparation method of the herbicide for the paddy field with high stability.
The technical scheme adopted by the invention is that the high-stability herbicide for the paddy field comprises the following components in percentage by mass: 10-15% of pyriminobac-methyl, 10-12% of pretilachlor, 4-9% of bensulfuron-methyl, 5-8% of inorganic salt, 0.2-0.5% of sodium dodecyl benzene sulfonate, 0.5-2.5% of fulvic acid, 0.5-1.5% of dispersant, 0.2-0.8% of antifreeze agent, 1-4% of solid hydrotalcite-like carrier, 0.4-1.2% of thickening agent, 0.5-1% of binder, 10-15% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%.
The present invention is also characterized in that,
the inorganic salt is one or two of magnesium sulfate, potassium nitrate, potassium chloride and ferrous sulfate.
The dispersant is any one of sodium lignosulfonate, calcium lignosulfonate and magnesium lignosulfonate; the antifreeze is any one of ethylene glycol, glycerol and propylene glycol.
The thickener is one or more of hydroxyethyl cellulose, sodium polyacrylate and polyvinylpyrrolidone.
The binder is any one of modified corn starch, polyacrylate and alkylaryl polyoxyethylene ether.
The oily solvent is one or more of dimethyl phthalate, methyl oleate and xylene.
The invention adopts another technical scheme that a preparation method of the herbicide for the high-stability paddy field is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1-2 hours to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60-70 ℃ for stirring reaction, wherein the reaction temperature is 100-130 ℃, the reaction time is 30-50 min, then adding an antifreeze agent and a dispersant, and stirring for 20-35 min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
The present invention is also characterized in that,
in the step 1, the method specifically comprises the following steps: adding Cu (NO)3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3Controlling the titration speed in the solution, controlling the pH value of the solution to be between 9 and 10, heating the mixed solution to 60 to 65 ℃ after the titration is finished, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1-2: 2-3: 0.04-0.12: 50-100.
The titration time is 1-2.5 h; the aging time is 5-8 h; when sieving, a sieve of 80-100 meshes is adopted.
The invention has the beneficial effects that the pyriminobac-methyl, the pretilachlor and the bensulfuron methyl are taken as the compounded active components, and the usage amount of the drug can be reduced, the drug resistance of weeds can be slowed down and the safety to crops is high through the synergistic effect among different active components after the compounding; in addition, by adding the antifreeze agent, the thickening agent and the dispersing agent, the stability of the herbicide is improved, the active components are kept for long-term storage, and various performance indexes in the period of validity are ensured to meet the requirements.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention relates to a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: 10-15% of pyriminobac-methyl, 10-12% of pretilachlor, 4-9% of bensulfuron-methyl, 5-8% of inorganic salt, 0.2-0.5% of sodium dodecyl benzene sulfonate, 0.5-2.5% of fulvic acid, 0.5-1.5% of dispersant, 0.2-0.8% of antifreeze agent, 1-4% of solid hydrotalcite-like carrier, 0.4-1.2% of thickening agent, 0.5-1% of binder, 10-15% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%.
The inorganic salt is one or the combination of magnesium sulfate, potassium nitrate, potassium chloride and ferrous sulfate;
the dispersant is any one of sodium lignosulfonate, calcium lignosulfonate and magnesium lignosulfonate;
the antifreeze is any one of ethylene glycol, glycerol and propylene glycol;
the thickener is one or more of hydroxyethyl cellulose, sodium polyacrylate and polyvinylpyrrolidone;
the binder is any one of modified corn starch, polyacrylate and alkylaryl polyoxyethylene ether;
the oily solvent is any one or more of dimethyl phthalate, methyl oleate and xylene;
the invention relates to a preparation method of a herbicide for a high-stability paddy field, which is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
adding Cu (NO)3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3Controlling the titration speed in the solution, controlling the pH value of the solution to be between 9 and 10, heating the mixed solution to 60 to 65 ℃ after the titration is finished, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the final productObtaining the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1-2: 2-3: 0.04-0.12: 50-100 parts of;
the titration time is 1-2.5 h; the aging time is 5-8 h; when sieving, a sieve with 80-100 meshes is adopted;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1-2 hours to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60-70 ℃ for stirring reaction, wherein the reaction temperature is 100-130 ℃, the reaction time is 30-50 min, then adding an antifreeze agent and a dispersant, and stirring for 20-35 min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
According to the high-stability herbicide for the paddy field, the pyriminobac-methyl, the pretilachlor and the bensulfuron methyl are used as the compounded active components, so that the herbicide has a synergistic effect on weed control and improves the weeding effect; the fulvic acid is added to promote the growth of plants, particularly the opening degree of leaf pores of crops can be properly controlled, transpiration is reduced, the drought resistance is important, the stress resistance can be improved, the yield is increased, the quality is improved, and the fulvic acid has a synergistic effect when being mixed with the active components; the solid hydrotalcite-like carrier is added, so that the active ingredients in the herbicide can be well adsorbed, and the slow release effect is achieved; by adding the antifreeze agent, the thickening agent and the dispersing agent, the stability of the herbicide is improved, the active components are kept for long-term storage, and various performance indexes in the period of validity are ensured to meet the requirements. In addition, the herbicide has better control effect than the effect of each component when used alone, has wide weeding range, has control effect on barnyard grass, broadleaf weeds and nutgrass flatsedge, and has effect on perennial weeds, stubborn weeds and sulfonylurea-resistant weeds.
Example 1
The invention relates to a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: 10% of pyriminobac-methyl, 10% of pretilachlor, 9% of bensulfuron-methyl, 5% of inorganic salt, 0.2% of sodium dodecyl benzene sulfonate, 2% of fulvic acid, 1% of dispersant, 0.2% of antifreeze agent, 1% of solid hydrotalcite-like carrier, 0.4% of thickener, 0.5% of binder, 15% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%.
The inorganic salt is magnesium sulfate; the dispersant is sodium lignosulfonate; the antifreeze agent is ethylene glycol; the thickening agent is prepared from the following components in percentage by mass of 1: 2, hydroxyethyl cellulose and sodium polyacrylate; the binder is modified corn starch;
the oily solvent is dimethyl phthalate and methyl oleate with the volume ratio of 2: 1;
a preparation method of a herbicide for a high-stability paddy field is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
adding Cu (NO)3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3Controlling the titration speed in the solution, controlling the pH value of the solution to be 9, heating the mixed solution to 60 ℃ after the titration is finished, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1: 2: 0.04: 50;
the titration time is 2 h; the aging time is 6 h; when sieving, a 80-mesh sieve is adopted;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1h to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60 ℃ for stirring reaction, wherein the reaction temperature is 100 ℃, the reaction time is 30min, then adding an antifreeze agent and a dispersant, and stirring for 35min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
Example 2
The invention relates to a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: the composition comprises, by mass, 12% of pyriminobac-methyl, 10% of pretilachlor, 8% of bensulfuron-methyl, 6% of inorganic salt, 0.2% of sodium dodecyl benzene sulfonate, 1.5% of fulvic acid, 0.5% of dispersant, 0.5% of antifreeze agent, 2.5% of solid hydrotalcite-like carrier, 1% of thickener, 1% of binder, 12% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%.
The inorganic salt is prepared from the following components in a mass ratio of 1:1, potassium nitrate and ferrous sulfate; the dispersant is calcium lignosulfonate; the antifreeze agent is glycerol; the thickening agent is hydroxyethyl cellulose adhesive which is polyacrylate;
the oily solvent is dimethyl phthalate and xylene with the volume ratio of 1: 1.5;
a preparation method of a herbicide for a high-stability paddy field is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
adding Cu (NO)3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3And controlling the titration speed in the solution, controlling the pH value of the solution to be 9.5, heating the mixed solution to 64 ℃ after titration is completed, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1: 3: 0.08: 80;
the titration time is 2.5 h; the aging time is 8 h; when sieving, a 100-mesh sieve is adopted;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1-2 hours to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 65 ℃ for stirring reaction, wherein the reaction temperature is 120 ℃, the reaction time is 45min, then adding an antifreeze agent and a dispersant, and stirring for 25min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
Example 3
The invention relates to a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: the composition comprises, by weight, 15% of pyriminobac-methyl, 11% of pretilachlor, 5% of bensulfuron-methyl, 7% of inorganic salt, 0.5% of sodium dodecyl benzene sulfonate, 2% of fulvic acid, 1.2% of a dispersant, 0.6% of an antifreeze agent, 3% of a solid hydrotalcite-like carrier, 1% of a thickener, 0.8% of a binder, 10% of water and the balance of an oily solvent; the sum of the mass percentages of the components is 100 percent.
The inorganic salt is potassium chloride; the dispersant is magnesium lignosulfonate; the antifreeze agent is propylene glycol; the thickening agent comprises sodium polyacrylate and polyvinylpyrrolidone in a mass ratio of 2: 1; the binder is alkylaryl polyoxyethylene ether;
the oily solvent is methyl oleate and xylene with the volume ratio of 2: 1;
the invention relates to a preparation method of a herbicide for a high-stability paddy field, which is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
mixing Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3Controlling the titration speed in the solution, controlling the pH value of the solution to be 9, heating the mixed solution to 60-65 ℃ after titration, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1: 2: 0.1: 70;
the titration time is 1.5 h; the aging time is 6 h; when sieving, a 80-mesh sieve is adopted;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1h to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60 ℃ for stirring reaction, wherein the reaction temperature is 100 ℃, the reaction time is 50min, then adding an antifreeze agent and a dispersant, and stirring for 35min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
Example 4
The invention relates to a high-stability herbicide for a paddy field, which comprises the following components in percentage by mass: the composition comprises, by weight, 15% of pyriminobac-methyl, 12% of pretilachlor, 9% of bensulfuron-methyl, 8% of an inorganic salt, 0.2% of sodium dodecyl benzene sulfonate, 0.5% of fulvic acid, 0.5% of a dispersant, 0.2% of an antifreeze agent, 4% of a solid hydrotalcite-like carrier, 0.4% of a thickener, 0.5% of a binder, 10% of water and the balance of an oily solvent; the sum of the mass percentages of the components is 100 percent.
The inorganic salt is potassium chloride; the dispersant is magnesium lignosulfonate; the antifreeze agent is glycerol; the thickening agent is prepared from the following components in percentage by mass of 1: 1.2 of hydroxyethyl cellulose and polyvinyl pyrrolidine; the binder is modified corn starch; the oily solvent is dimethylbenzene;
the invention relates to a preparation method of a herbicide for a high-stability paddy field, which is implemented according to the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
adding Cu (NO)3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3And controlling the titration speed in the solution, controlling the pH value of the solution to be 10, heating the mixed solution to 65 ℃ after titration, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
Cu(NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 2: 3: 0.04: 100;
the titration time is 2.5 h; the aging time is 8 h; when sieving, a 100-mesh sieve is adopted;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1h to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron-methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60 ℃ for stirring reaction, wherein the reaction temperature is 130 ℃, the reaction time is 30min, then adding an antifreeze agent and a dispersant, and stirring for 20min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
TABLE 1 comparison of the herbicidal Effect of the herbicides for paddy fields according to the present invention and commercially available herbicides
Comparing the weeding effects of the herbicides for paddy fields prepared in examples 1 to 4 of the present invention with those of the existing commercially available herbicides, as shown in table 1, it can be seen from the table that the weeding effects of the herbicides of the present invention and the commercially available herbicides are low and the difference between the weeding efficiencies of the herbicides is not large when the herbicides are applied for 3 days, but the weeding efficiency of the herbicides of the present invention is remarkably high for sedge, leaf-tip weeds and broadleaf weeds when the herbicides are applied for 10 days, which indicates that the herbicides of the present invention can obtain a high weeding effect due to the combined action of multiple mechanisms and a wide weeding range.
Claims (10)
1. The high-stability herbicide for the paddy field is characterized by comprising the following components in percentage by mass: 10-15% of pyriminobac-methyl, 10-12% of pretilachlor, 4-9% of bensulfuron-methyl, 5-8% of inorganic salt, 0.2-0.5% of sodium dodecyl benzene sulfonate, 0.5-2.5% of fulvic acid, 0.5-1.5% of dispersant, 0.2-0.8% of antifreeze agent, 1-4% of solid hydrotalcite-like carrier, 0.4-1.2% of thickening agent, 0.5-1% of binder, 10-15% of water and the balance of oily solvent, wherein the sum of the mass percentages of the components is 100%.
2. A highly stable herbicide for paddy field as claimed in claim 1, wherein said inorganic salt is one or two of magnesium sulfate, potassium nitrate, potassium chloride and ferrous sulfate.
3. The herbicide as claimed in claim 1, wherein the dispersant is any one of sodium lignosulfonate, calcium lignosulfonate and magnesium lignosulfonate; the antifreeze is any one of ethylene glycol, glycerol and propylene glycol.
4. A highly stable herbicide for paddy field as claimed in claim 1, wherein said thickener is any one or more of hydroxyethyl cellulose, sodium polyacrylate, polyvinylpyrrolidone.
5. A highly stable herbicide for paddy field as claimed in claim 1, wherein said binder is any one of modified corn starch, polyacrylate, alkylaryl polyoxyethylene ether.
6. The herbicide as claimed in claim 1, wherein the oily solvent is one or more selected from dimethyl phthalate, methyl oleate and xylene.
7. A preparation method of a herbicide for a high-stability paddy field is characterized by comprising the following steps:
step 1, preparing a solid hydrotalcite-like carrier;
step 2, mixing inorganic salt, a solid hydrotalcite-like carrier and water, uniformly stirring, adding fulvic acid, stirring, and standing for 1-2 hours to obtain a uniform water phase;
step 3, mixing pyriminobac-methyl, pretilachlor, bensulfuron methyl, sodium dodecyl benzene sulfonate and an oily solvent, then adding a thickening agent and a binder at the temperature of 60-70 ℃ for stirring reaction, wherein the reaction temperature is 100-130 ℃, the reaction time is 30-50 min, then adding an antifreeze agent and a dispersant, and stirring for 20-35 min to obtain a uniform oil phase;
and 4, mixing and dispersing the oil phase and the water phase to obtain the high-stability herbicide for the paddy field.
8. The method for preparing a herbicide for high stability paddy field as claimed in claim 7, wherein in the step 1, the following steps are specifically performed: mixing Cu (NO3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2Mixing the O and water uniformly to obtain a mixed salt solution; respectively dripping NaOH solution and mixed salt solution on Na2CO3Controlling the titration speed in the solution, controlling the pH value of the solution to be between 9 and 10, heating the mixed solution to 60 to 65 ℃ after the titration is finished, stirring and aging, cooling, washing the solution to be neutral by using deionized water, drying, grinding and sieving to obtain the hydrotalcite-like compound.
9. The process for preparing a herbicide for paddy field of claim 8 wherein Cu (NO) is Cu3)2·3H2O、Al(NO3)3·9H2O、Co(NO3)2·6H2The mass ratio of O to water is 1-2: 2-3: 0.04-0.12: 50-100.
10. The method for preparing a herbicide for paddy field of high stability as claimed in claim 8, wherein the titration time is 1-2.5 h; the aging time is 5-8 h; when sieving, a sieve of 80-100 meshes is adopted.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107333788A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition and application containing pretilachlor, KIH 6127 and pyrazosulfuron |
WO2018058904A1 (en) * | 2016-09-30 | 2018-04-05 | 江苏清原农冠杂草防治有限公司 | Herbicide composition with enhanced effectiveness and application thereof |
CN113133453A (en) * | 2021-04-08 | 2021-07-20 | 中土化工(安徽)有限公司 | Weeding composition containing pretilachlor, pyriminobac-methyl and bensulfuron methyl |
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---|---|---|---|---|
WO2018058904A1 (en) * | 2016-09-30 | 2018-04-05 | 江苏清原农冠杂草防治有限公司 | Herbicide composition with enhanced effectiveness and application thereof |
CN107333788A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition and application containing pretilachlor, KIH 6127 and pyrazosulfuron |
CN113133453A (en) * | 2021-04-08 | 2021-07-20 | 中土化工(安徽)有限公司 | Weeding composition containing pretilachlor, pyriminobac-methyl and bensulfuron methyl |
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