CN118058291B - Seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M, and preparation method and application thereof - Google Patents
Seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M, and preparation method and application thereof Download PDFInfo
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- CN118058291B CN118058291B CN202410493958.2A CN202410493958A CN118058291B CN 118058291 B CN118058291 B CN 118058291B CN 202410493958 A CN202410493958 A CN 202410493958A CN 118058291 B CN118058291 B CN 118058291B
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- China
- Prior art keywords
- agent
- fludioxonil
- seed treatment
- metalaxyl
- hymexazol
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- 239000000375 suspending agent Substances 0.000 title claims abstract description 98
- KGVPNLBXJKTABS-UHFFFAOYSA-N hymexazol Chemical compound CC1=CC(O)=NO1 KGVPNLBXJKTABS-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000005794 Hymexazol Substances 0.000 title claims abstract description 68
- MUJOIMFVNIBMKC-UHFFFAOYSA-N fludioxonil Chemical compound C=12OC(F)(F)OC2=CC=CC=1C1=CNC=C1C#N MUJOIMFVNIBMKC-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 239000005781 Fludioxonil Substances 0.000 title claims abstract description 66
- ZQEIXNIJLIKNTD-GFCCVEGCSA-N metalaxyl-M Chemical compound COCC(=O)N([C@H](C)C(=O)OC)C1=C(C)C=CC=C1C ZQEIXNIJLIKNTD-GFCCVEGCSA-N 0.000 title claims abstract description 47
- 239000005808 Metalaxyl-M Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 claims abstract description 40
- 229920002581 Glucomannan Polymers 0.000 claims abstract description 40
- 229940046240 glucomannan Drugs 0.000 claims abstract description 40
- 239000000725 suspension Substances 0.000 claims abstract description 40
- 229940087603 grape seed extract Drugs 0.000 claims abstract description 39
- 235000002532 grape seed extract Nutrition 0.000 claims abstract description 39
- 239000001717 vitis vinifera seed extract Substances 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 239000002270 dispersing agent Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 239000000080 wetting agent Substances 0.000 claims abstract description 31
- 239000007798 antifreeze agent Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011259 mixed solution Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 244000068988 Glycine max Species 0.000 claims abstract description 11
- 235000010469 Glycine max Nutrition 0.000 claims abstract description 11
- 241001522129 Pinellia Species 0.000 claims abstract description 11
- 239000005807 Metalaxyl Substances 0.000 claims description 28
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 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 9
- 229920001661 Chitosan Polymers 0.000 claims description 8
- 235000005979 Citrus limon Nutrition 0.000 claims description 8
- 244000131522 Citrus pyriformis Species 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 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 5
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical compound CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 claims description 4
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- VYIRVAXUEZSDNC-TXDLOWMYSA-N (3R,3'S,5'R)-3,3'-dihydroxy-beta-kappa-caroten-6'-one Chemical compound C([C@H](O)CC=1C)C(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC(=O)[C@]1(C)C[C@@H](O)CC1(C)C VYIRVAXUEZSDNC-TXDLOWMYSA-N 0.000 claims description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 2
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 claims description 2
- VYIRVAXUEZSDNC-LOFNIBRQSA-N Capsanthyn Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC(=O)C2(C)CC(O)CC2(C)C VYIRVAXUEZSDNC-LOFNIBRQSA-N 0.000 claims description 2
- 240000007472 Leucaena leucocephala Species 0.000 claims description 2
- 235000010643 Leucaena leucocephala Nutrition 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- WRANYHFEXGNSND-LOFNIBRQSA-N capsanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC(=O)C2(C)CCC(O)C2(C)C WRANYHFEXGNSND-LOFNIBRQSA-N 0.000 claims description 2
- 235000018889 capsanthin Nutrition 0.000 claims description 2
- IQFVPQOLBLOTPF-HKXUKFGYSA-L congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 235000012658 paprika extract Nutrition 0.000 claims description 2
- 239000001688 paprika extract Substances 0.000 claims description 2
- -1 polyoxyethylene nonyl phenyl ether Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 18
- 230000000052 comparative effect Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 23
- ZQEIXNIJLIKNTD-UHFFFAOYSA-N methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)alaninate Chemical compound COCC(=O)N(C(C)C(=O)OC)C1=C(C)C=CC=C1C ZQEIXNIJLIKNTD-UHFFFAOYSA-N 0.000 description 20
- 239000000575 pesticide Substances 0.000 description 12
- 239000004480 active ingredient Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000002829 reductive effect Effects 0.000 description 7
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 6
- 201000010099 disease Diseases 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 125000003827 glycol group Chemical group 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 244000052616 bacterial pathogen Species 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 208000035240 Disease Resistance Diseases 0.000 description 3
- 241000233866 Fungi Species 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 241000223221 Fusarium oxysporum Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 231100000086 high toxicity Toxicity 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000000638 stimulation 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
-
- 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
- A01N25/06—Aerosols
-
- 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
- A01N25/22—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 ingredients stabilising the active ingredients
-
- 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
- A01N37/44—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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Mycology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Soil Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application relates to the technical field of seed treatment suspending agents. The application discloses a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M, and a preparation method and application thereof. The seed treatment suspending agent comprises the following raw materials: hymexazol, fludioxonil, metalaxyl-M, grape seed extract, glucomannan, film forming agent, wetting agent, dispersing agent, antifreeze agent, warning color and water. The preparation method comprises the following steps: mixing hymexazol, fludioxonil and metalaxyl-M to obtain a premix; mixing grape seed extract and glucomannan with water to obtain mixed solution; adding the mixed solution into the premix, stirring, adding the rest raw materials, and stirring to obtain the seed treatment suspending agent. The application also discloses application of the seed treatment suspending agent in preventing and treating soybean and pinellia tuber root rot. The seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M prepared by the application has good suspension performance, low-temperature stability and thermal storage stability.
Description
Technical Field
The application relates to the technical field of seed treatment suspending agents, in particular to a seed treatment suspending agent containing hymexazol, fludioxonil, metalaxyl-M, a preparation method and application thereof.
Background
The seed treating suspending agent is one kind of pesticide preparation with filming property for treating crop or other plant seed and may be coated directly or after dilution to form one preparation with certain strength and permeability protecting film. The main purpose is to treat seeds before sowing so as to protect the seeds from being damaged by plant diseases and insect pests, improve the vitality and emergence rate of the seeds and further increase the yield and quality of crops.
The traditional seed treatment suspending agent mainly uses a single pesticide, and is used for preventing and controlling plant diseases and insect pests and guaranteeing the growth of crops. However, these pesticides often have high toxicity, high residue and other problems, and pose potential threats to the environment and human health. On one hand, with the increasing environmental awareness, the continuous progress of agricultural technology and the change of market demands, the seed treatment suspending agent in China is also continuously upgraded and improved, high-residue, high-toxicity and high-resistance pesticides are gradually eliminated, and novel low-toxicity, low-residue and high-efficiency pesticides are popularized and used as the seed treatment suspending agent. On the other hand, with intensive studies on the mechanism of plant diseases, it has been found that a single pesticidal ingredient is often difficult to cope with complex and varied disease environments. Therefore, the existing seed treatment suspending agent is more focused on the compound use of various pesticides, so that the control effect is improved, the pesticide dosage is reduced, and the pollution to the environment is reduced.
The introduction of the novel pesticides such as hymexazol, fludioxonil, metalaxyl-M and the like provides a new choice for the development of seed treatment suspending agents. The pesticides have good inhibiting and killing effects on various pathogenic bacteria. By compounding the pesticides, a more efficient and environment-friendly seed treatment suspending agent can be developed, and a more comprehensive and efficient protection means is provided for agricultural production.
However, despite the positive impact of the introduction of new pesticides and pesticide compounding techniques on the development of seed treatment suspending agents, challenges remain. For example, some seed treatment suspending agents have poor suspension properties, which results in precipitation or delamination of the active ingredient during storage or use, which not only affects the effectiveness of the treatment agent, but may also result in reduced efficacy or phytotoxicity. During the production, transportation and storage of seed treatment suspending agents, challenges may be faced with low or high temperature environments. If the low temperature stability of the seed treatment suspending agent is insufficient, the active ingredient may crystallize or precipitate, resulting in reduced or ineffective efficacy. If the thermal storage stability of the seed treatment suspension is insufficient, the active ingredient may be decomposed or deactivated at high temperature, resulting in degradation of its quality. These problems are not only related to the use of seed treatment suspending agents, but also directly affect the growth and yield of the crop.
Therefore, there is a need to develop a seed treatment suspending agent containing hymexazol, fludioxonil, metalaxyl with good suspension performance, low temperature stability and thermal storage stability.
Disclosure of Invention
In order to solve at least one of the technical problems, a seed treatment suspending agent containing hymexazol, fludioxonil and mefenoxam, which has good suspension performance, low-temperature stability and thermal storage stability, is developed, and the application provides a seed treatment suspending agent containing hymexazol, fludioxonil and mefenoxam, and a preparation method and application thereof.
On one hand, the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M provided by the application comprises the following raw materials in percentage by mass: 14.5-16.4% of hymexazol, 1.2-1.7% of fludioxonil, 2.7-3.3% of metalaxyl-M, 5-10% of grape seed extract, 0.5-3% of glucomannan, 1-10% of film forming agent, 1-10% of wetting agent, 1-10% of dispersing agent, 1-5% of antifreeze agent, 0.5-2% of warning color and the balance of water.
By adopting the technical scheme, the application adopts specific raw materials and proportions, and the prepared hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent has good seed treatment effect, good suspension performance, and excellent low-temperature stability and heat storage stability. The seed treatment suspending agent prepared by the application can keep stability under the low-temperature condition, prevent freezing or sedimentation and ensure that the seed treatment suspending agent can still be effectively used in a cold environment. Can be kept stable under high temperature condition, avoids the decomposition or failure of active ingredients, and ensures long-term storage and use effects.
The application combines the hymexazol, fludioxonil and metalaxyl-M into three different bactericides, can provide more comprehensive seed protection, expand the bactericidal spectrum, resist various pathogenic bacteria, improve the disease resistance of seeds and protect the seeds from attack of diseases. Proper amount of wetting agent, dispersing agent and film forming agent are added to form uniform and stable suspension, ensure that the active ingredients are uniformly distributed on the surface of the seeds, and improve the treatment effect.
The grape seed extract and glucomannan are added, so that the stability of the seed treatment suspending agent can be improved, and the resistance can be enhanced.
Optionally, the raw materials comprise, by mass: 15.0-16.0% of hymexazol, 1.4-1.6% of fludioxonil, 2.8-3.2% of metalaxyl-M, 7-8% of grape seed extract, 1-2% of glucomannan, 3-8% of film forming agent, 3-8% of wetting agent, 3-8% of dispersing agent, 2-4% of antifreeze agent, 1-1.5% of warning color and the balance of water.
Optionally, the raw materials comprise, by mass: 15.5% of hymexazol, 1.5% of fludioxonil, 3.0% of metalaxyl-M, 7.5% of grape seed extract, 1.5% of glucomannan, 5.5% of film forming agent, 5.5% of wetting agent, 5.5% of dispersing agent, 3% of antifreeze agent, 1.2% of warning color and the balance of water.
Optionally, the weight ratio of the grape seed extract to the glucomannan is 3-7: 1.
By adopting the technical scheme, the specific weight ratio of the grape seed extract to the glucomannan can play a role in a combined action, so that the stability of the seed treatment suspending agent is improved, and the grape seed extract and the glucomannan are both from natural plants and have environmental protection and safety. If the glucomannan proportion is too large, the stability of the suspension may be lowered, and precipitation and agglomeration may occur.
Optionally, the weight ratio of the grape seed extract to the glucomannan is 5:1.
Optionally, the film forming agent is at least one selected from chitosan, starch, acacia and sodium carboxymethyl cellulose.
By adopting the technical scheme, the film forming agent disclosed by the application can form a layer of protective film on the surface of the seed, so that the active ingredient can be kept released on the surface of the seed for a long time, and the resistance of the seed to the external environment can be improved. And the natural film forming agent has better biocompatibility and environmental protection, and has less influence on the safety of the environment and seeds.
Optionally, the wetting agent is selected from at least one of polyoxyethylene nonylphenol ether, sodium dodecyl sulfate and sodium dodecyl benzene sulfonate;
The dispersing agent is at least one of sodium stearate, sodium lignin sulfonate, methyl amyl alcohol and glycerin monostearate;
The antifreeze agent is at least one selected from ethylene glycol, propylene glycol, urea and glycerin.
By adopting the technical scheme, the wetting agent disclosed by the application can reduce the surface tension of liquid and improve the uniformity of the seed treatment suspending agent, so that the treatment effect is improved. The dispersing agent can prevent solid particles from agglomerating and precipitating in liquid, maintain uniformity and stability of the seed treatment suspending agent, and the selection of the dispersing agent is helpful for improving the suspension performance of the seed treatment suspending agent. The antifreeze agent of the application is helpful for improving the low-temperature stability of the seed treatment suspending agent.
Optionally, the alert color is selected from at least one of capsanthin, congo red, brilliant yellow, lemon yellow, and brilliant blue.
By adopting the technical scheme, the warning color is added to enable the seed treatment suspending agent to have a striking color, so that the seed treatment suspending agent is convenient for a user to quickly identify and apply. The warning color selected by the application has good stability and safety, and can keep the color stable in the use process of the seed treatment suspending agent.
Optionally, the pH value of the seed treatment suspending agent is 6.0-8.0.
By adopting the technical scheme, the pH value range of the seed treatment suspending agent can keep good compatibility and stability among the components, and ensure the long-term storage and use effect of the seed treatment suspending agent. The particular pH range also helps to protect the active ingredient from effects, while maintaining its biological activity and effectiveness. And the potential injury and stimulation to the seeds can be reduced, and the safety and the growth potential of the seeds in the treatment process are ensured.
In a second aspect, the application provides a preparation method of the hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent, which comprises the following steps:
S1, mixing and stirring hymexazol, fludioxonil and metalaxyl-M to prepare a premix;
S2, mixing the grape seed extract and glucomannan with water, and stirring to obtain a mixed solution;
and S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze agent and the warning color, and stirring to obtain the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M.
By adopting the technical scheme, the preparation method provided by the application has the advantages of simple process flow, convenience in operation, no high-temperature energy consumption process in the preparation process and no pollution. The stepwise mixing of the application ensures that each component is fully and uniformly mixed, thereby ensuring the uniformity and the stability of the seed treatment suspending agent, improving the suspension performance, the low-temperature stability and the thermal storage stability of the seed treatment suspending agent and improving the seed treatment effect.
In a third aspect, the application provides application of the hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent in the prevention and treatment of soybean and pinellia ternate root rot.
By adopting the technical scheme, the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M, which is prepared by the application, is applied to the root rot control of crops such as soybeans, pinellia ternate and the like, and has remarkable advantages and effects. Hymexazol, fludioxonil and metalaxyl-M are used as active ingredients, have strong bactericidal effect on pathogenic bacteria causing root rot, and can effectively prevent and control the occurrence of root rot. The seed treatment suspending agent also creates a good growth environment for crops, ensures that the crops establish healthy root systems at the early growth stage, and lays a solid foundation for subsequent growth and development. Has wide application prospect and important practical value.
Optionally, the seed treatment suspending agent is used for coating the soybean and pinellia seeds.
By adopting the technical scheme, the seed treatment suspending agent adopts a seed coating treatment method, so that seeds can be protected, germination and growth of the seeds can be promoted, and stress resistance and yield of the seeds can be improved. The seed coating is beneficial to the effective release and action of active ingredients and other auxiliary ingredients, can prevent invasion of pathogenic bacteria and pests, and improves the disease resistance and insect resistance of seeds. And the application method of the coating treatment is suitable for various crops.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. The application adopts specific raw materials and proportions, and the prepared hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent has good suspension performance and excellent low-temperature stability and thermal storage stability.
2. The application combines the hymexazol, fludioxonil and metalaxyl-M into three different bactericides, can provide more comprehensive seed protection, improves the disease resistance of seeds and protects the seeds from being affected by diseases.
3. The preparation method adopted by the application has the advantages of simple process flow, convenient operation, no high-temperature energy consumption process in the preparation process and no pollution.
4. The stepwise mixing of the application ensures that each component is fully and uniformly mixed, thereby ensuring the uniformity and the stability of the seed treatment suspending agent and improving the suspension performance, the low-temperature stability and the thermal storage stability of the seed treatment suspending agent.
Detailed Description
The present application will be described in further detail with reference to examples.
The application designs a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 14.5-16.4% of hymexazol, 1.2-1.7% of fludioxonil, 2.7-3.3% of metalaxyl-M, 5-10% of grape seed extract, 0.5-3% of glucomannan, 1-10% of film forming agent, 1-10% of wetting agent, 1-10% of dispersing agent, 1-5% of antifreeze agent, 0.5-2% of warning color and the balance of water.
The seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M is prepared by the following method, and comprises the following steps:
S1, mixing and stirring hymexazol, fludioxonil and metalaxyl-M to prepare a premix;
S2, mixing the grape seed extract and glucomannan with water, and stirring to obtain a mixed solution;
and S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze agent and the warning color, and stirring to obtain the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M.
The seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M can be applied to the prevention and treatment of soybean and pinellia ternate root rot.
The inventor designs the technical scheme of the application aiming at the problem that the suspension performance, low-temperature stability and thermal storage stability of the existing seed treatment suspending agent are poor.
The inventors of the present application have unexpectedly found in research that grape seed extract and glucomannan can improve the stability of seed treatment suspending agents, improve suspension properties, low temperature stability and thermal storage stability. Therefore, the inventors further studied the influence of grape seed extract and glucomannan on the suspension performance, low-temperature stability and thermal storage stability of the seed treatment suspension, and designed the seed treatment suspension containing hymexazol fludioxonil and metalaxyl-M of the present application, and a preparation method capable of sufficiently mixing the active ingredients. The seed treatment suspending agent can be applied to the prevention and treatment of soybean and pinellia tuber root rot, and can effectively prevent and treat the root rot.
The raw materials adopted by the application are all from commercial products, and are specifically as follows:
hymexazol: CAS:10004-44-1.
Fludioxonil: CAS:131341-86-1.
Metalaxyl-M: CAS:70630-17-0.
Grape seed extract: CAS:84929-27-1.
Glucomannan: CAS:11078-31-2.
Chitosan: CAS:9012-76-4.
Sodium carboxymethyl cellulose: CAS:9004-32-4.
Nonylphenol polyoxyethylene ether: CAS:127087-87-0.
Sodium dodecyl benzene sulfonate: CAS:25155-30-0.
Sodium stearate: CAS:822-16-2.
Sodium lignin sulfonate: CAS:8061-51-6.
Ethylene glycol: CAS:107-21-1.
Urea: CAS:57-13-6.
Lemon yellow: CAS:1934-21-0.
Fusarium oxysporum: shanghai Siemens Biotech Co., ltd., product number: XG-J5288.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Examples 1 to 5
Example 1
The embodiment provides a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 14.5% of hymexazol, 1.7% of fludioxonil, 2.7% of metalaxyl-M, 10% of grape seed extract, 0.5% of glucomannan, 10% of film forming agent, 10% of wetting agent, 1% of dispersing agent, 1% of antifreeze agent, 0.5% of warning color and the balance of water.
Wherein the film forming agent is chitosan; the wetting agent is nonylphenol polyoxyethylene ether; the dispersing agent is sodium lignin sulfonate; the antifreeze agent is glycol; the warning color is lemon yellow.
The preparation method comprises the following steps:
S1, mixing hymexazol, fludioxonil and metalaxyl-M, and stirring to prepare a premix;
s2, mixing grape seed extract, glucomannan and water, and stirring until the mixture is dissolved to obtain a mixed solution;
S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze and the warning color, stirring, preparing the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, and regulating the pH value of the seed treatment suspending agent to be 6.9.
Example 2
The embodiment provides a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 16% of hymexazol, 1.4% of fludioxonil, 3.2% of metalaxyl-M, 7% of grape seed extract, 2% of glucomannan, 3% of film forming agent, 8% of wetting agent, 3% of dispersing agent, 4% of antifreeze agent, 1.5% of warning color and the balance of water.
Wherein the film forming agent is chitosan; the wetting agent is nonylphenol polyoxyethylene ether; the dispersing agent is sodium lignin sulfonate; the antifreeze agent is glycol; the warning color is lemon yellow.
The preparation method comprises the following steps:
S1, mixing hymexazol, fludioxonil and metalaxyl-M, and stirring to prepare a premix;
s2, mixing grape seed extract, glucomannan and water, and stirring until the mixture is dissolved to obtain a mixed solution;
S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze and the warning color, stirring, preparing the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, and regulating the pH value of the seed treatment suspending agent to be 6.8.
Example 3
The embodiment provides a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 15.5% of hymexazol, 1.5% of fludioxonil, 3% of metalaxyl-M, 7.5% of grape seed extract, 1.5% of glucomannan, 5.5% of film forming agent, 5.5% of wetting agent, 5.5% of dispersing agent, 3% of antifreeze agent, 1.2% of warning color and the balance of water.
Wherein the film forming agent is chitosan; the wetting agent is nonylphenol polyoxyethylene ether; the dispersing agent is sodium lignin sulfonate; the antifreeze agent is glycol; the warning color is lemon yellow.
The preparation method comprises the following steps:
S1, mixing hymexazol, fludioxonil and metalaxyl-M, and stirring to prepare a premix;
s2, mixing grape seed extract, glucomannan and water, and stirring until the mixture is dissolved to obtain a mixed solution;
S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze and the warning color, stirring, preparing the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, and regulating the pH value of the seed treatment suspending agent to 7.0.
Example 4
The embodiment provides a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 15% of hymexazol, 1.6% of fludioxonil, 2.8% of metalaxyl-M, 8% of grape seed extract, 1% of glucomannan, 8% of film forming agent, 3% of wetting agent, 8% of dispersing agent, 2% of antifreeze agent, 1% of warning color and the balance of water.
Wherein the film forming agent is chitosan; the wetting agent is nonylphenol polyoxyethylene ether; the dispersing agent is sodium lignin sulfonate; the antifreeze agent is glycol; the warning color is lemon yellow.
The preparation method comprises the following steps:
S1, mixing hymexazol, fludioxonil and metalaxyl-M, and stirring to prepare a premix;
s2, mixing grape seed extract, glucomannan and water, and stirring until the mixture is dissolved to obtain a mixed solution;
S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze and the warning color, stirring, preparing the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, and regulating the pH value of the seed treatment suspending agent to be 6.8.
Example 5
The embodiment provides a seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, which comprises the following raw materials in percentage by mass: 16.4% of hymexazol, 1.2% of fludioxonil, 3.3% of metalaxyl-M, 5% of grape seed extract, 3% of glucomannan, 1% of film forming agent, 1% of wetting agent, 10% of dispersing agent, 5% of antifreeze agent, 2% of warning color and the balance of water.
Wherein the film forming agent is chitosan; the wetting agent is nonylphenol polyoxyethylene ether; the dispersing agent is sodium lignin sulfonate; the antifreeze agent is glycol; the warning color is lemon yellow.
The preparation method comprises the following steps:
S1, mixing hymexazol, fludioxonil and metalaxyl-M, and stirring to prepare a premix;
s2, mixing grape seed extract, glucomannan and water, and stirring until the mixture is dissolved to obtain a mixed solution;
S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze and the warning color, stirring, preparing the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl, and regulating the pH value of the seed treatment suspending agent to be 6.7.
Comparative examples 1 to 5
Comparative example 1
Comparative example 1 differs from example 3 in that comparative example 1 was not added with grape seed extract and glucomannan.
Comparative example 2
Comparative example 2 differs from example 3 in that comparative example 2 replaces grape seed extract with an equal weight of glucomannan.
Comparative example 3
Comparative example 3 differs from example 3 in that comparative example 3 replaces glucomannan with an equivalent weight of grape seed extract.
Comparative example 4
Comparative example 4 differs from example 3 in that no hymexazol was added to comparative example 4.
Comparative example 5
Comparative example 5 differs from example 3 in that the preparation method in comparative example 5 is: all the raw materials are mixed in one step to prepare the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M.
Experimental detection
Detection item and detection method
The pH value, the suspension rate, the low-temperature stability and the heat storage stability of the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl are detected according to GB/T17768-1999 'Standard writing Specification for suspended seed coating products'.
Root rot prevention effect detection: crop seeds were subjected to a seed treatment suspension coating treatment and the blank group was not treated with the seed treatment suspension. Taking soil in the field at random, sterilizing overnight at 105 ℃, taking out, adding deionized water to moisten until the humidity of the field is consistent, mixing the indoor cultured root rot fungus strain with moistened soil, carrying out soil inoculation treatment to obtain soil infected by the root rot fungus, sowing seeds, treating the seeds coated by the suspending agent and blank group seeds, setting 3 repetitions of each treatment, taking an average value, and counting the root rot prevention effect of each crop in the growing period. The root rot fungus is Fusarium oxysporum.
Root rot control effect (%) = [ (incidence of blank group root rot-incidence of seed treatment suspension treatment group root rot)/incidence of blank group root rot ] ×100%;
The seed treatment suspending agents containing hymexazol, fludioxonil and metalaxyl prepared in examples 1 to 5 and comparative examples 1 to 5 were subjected to detection of suspension rate, low-temperature stability and thermal storage stability, and also subjected to prevention effect detection of root rot on seed-treatment suspending agent-coated soybean seeds and seed-treatment suspending agent-coated pinellia ternate seeds, and the detection results are shown in Table 1.
TABLE 1
From the test results shown in Table 1, it is clear that the seed treatment suspending agent containing hymexazol, fludioxonil, metalaxyl-M prepared in examples 1 to 5 has high suspension rate, good suspension property, good low-temperature stability and thermal storage stability, and excellent control effect on root rot of crops after coating treatment of crop seeds.
The suspension rate of the prepared seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M is obviously reduced without adding grape seed extract and glucomannan in comparative example 1, the suspension performance is poor, the heat storage stability is poor, and the prevention effect on crop root rot is obviously lowered.
The seed treatment suspending agent containing hymexazol fludioxonil metalaxyl prepared in comparative example 2 and comparative example 3 has suspension properties and control effect on crop root rot similar to those of comparative example 1 but significantly lower than that of example 3.
The seed treatment suspending agent prepared in comparative example 4 is not added with hymexazol, and the control effect on root rot of crops is obviously reduced.
Comparative example 5 was a direct one-step blend, without stepwise blending, and the prepared hymexazol fludioxonil metalaxyl-M-containing seed treatment suspension had poor suspension properties, and had lower control effects on crop root rot than example 3. The inventors speculate that the possible cause is uneven mixing of the active ingredients of the seed treatment suspending agent, poor stability and uniformity.
Examples 6 to 13
Example 6
Example 6 differs from example 3 in that the weight ratio of grape seed extract to glucomannan of example 6 is 3:1, the mass ratio of the total mass of grape seed extract and glucomannan to the seed treatment was 9%.
Example 7
Example 7 differs from example 3 in that the weight ratio of grape seed extract to glucomannan of example 7 is 7:1, the mass ratio of the total mass of grape seed extract and glucomannan to the seed treatment was 9%.
Example 8
Example 8 differs from example 3 in that the film former of example 8 is sodium carboxymethyl cellulose.
Example 9
Example 9 differs from example 3 in that the wetting agent of example 9 is sodium dodecylbenzenesulfonate.
Example 10
Example 10 differs from example 3 in that the dispersant of example 10 is sodium stearate.
Example 11
Example 11 differs from example 3 in that the antifreeze of example 11 is urea.
Example 12
Example 12 differs from example 3 in that in step S3 of example 12, the pH of the seed treatment suspension is adjusted to 6.0.
Example 13
Example 13 differs from example 3 in that in step S3 of example 13, the pH of the seed treatment suspension is adjusted to 8.0.
The seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl prepared in examples 6 to 13 is subjected to detection of suspension rate, low-temperature stability and thermal storage stability, and the seed treatment suspending agent coated soybean seeds and the seed treatment suspending agent coated pinellia seeds are subjected to prevention effect detection of root rot, and the detection results are shown in Table 2.
TABLE 2
As is clear from the test results in Table 2, examples 6 to 7 are different from example 3 in the weight ratio of grape seed extract to glucomannan, and the suspension performance of the seed treatment suspension containing hymexazol, fludioxonil, metalaxyl prepared in example 3 is best, the low-temperature stability and the thermal storage stability are excellent, and the prevention effect on root rot of crops is highest.
The suspension performance, low-temperature stability, heat storage stability and prevention effect on crop root rot of the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl are closer compared with the suspension performance, low-temperature stability and heat storage stability of the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl prepared in example 8, the wetting agent in example 9, the dispersing agent in example 10 and the antifreeze agent in example 11.
The difference between example 12 and example 13 and example 3 is that the pH of the seed treatment suspension is different, and the seed treatment suspension containing hymexazol, fludioxonil, metalaxyl prepared in example 3 has the best suspension performance, excellent low-temperature stability and heat storage stability, and the highest control effect on root rot of crops.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (4)
1. The seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M is characterized by comprising the following raw materials in percentage by mass: 14.5-16.4% of hymexazol, 1.2-1.7% of fludioxonil, 2.7-3.3% of metalaxyl-M, 5-10% of grape seed extract, 0.5-3% of glucomannan, 1-10% of film forming agent, 1-10% of wetting agent, 1-10% of dispersing agent, 1-5% of antifreeze agent, 0.5-2% of warning color and the balance of water;
the weight ratio of the grape seed extract to the glucomannan is 3-7: 1, a step of;
The film forming agent is at least one selected from chitosan, starch, acacia and sodium carboxymethyl cellulose;
The wetting agent is at least one selected from polyoxyethylene nonyl phenyl ether, sodium dodecyl sulfate and sodium dodecyl benzene sulfonate;
The dispersing agent is at least one of sodium stearate, sodium lignin sulfonate, methyl amyl alcohol and glycerin monostearate;
the antifreeze agent is at least one selected from ethylene glycol, propylene glycol, urea and glycerin;
The warning color is at least one selected from capsanthin, congo red, brilliant yellow, lemon yellow and brilliant blue;
the pH value of the seed treatment suspending agent is 6.0-8.0;
The preparation method of the hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent comprises the following steps:
S1, mixing and stirring hymexazol, fludioxonil and metalaxyl-M to prepare a premix;
S2, mixing the grape seed extract and glucomannan with water, and stirring to obtain a mixed solution;
and S3, adding the mixed solution into the premix, stirring, adding the film forming agent, the wetting agent, the dispersing agent, the antifreeze agent and the warning color, and stirring to obtain the seed treatment suspending agent containing hymexazol, fludioxonil and metalaxyl-M.
2. The hymexazol-fludioxonil-metalaxyl-containing seed treatment suspension according to claim 1, which is characterized by comprising the following raw materials in mass percent: 15.0-16.0% of hymexazol, 1.4-1.6% of fludioxonil, 2.8-3.2% of metalaxyl-M, 7-8% of grape seed extract, 1-2% of glucomannan, 3-8% of film forming agent, 3-8% of wetting agent, 3-8% of dispersing agent, 2-4% of antifreeze agent, 1-1.5% of warning color and the balance of water.
3. An application of the hymexazol-fludioxonil-metalaxyl-containing seed treatment suspending agent according to any one of claims 1-2 in the prevention and treatment of soybean and pinellia tuber root rot.
4. The use of the hymexazol-fludioxonil-metalaxyl-containing seed treatment suspension agent according to claim 3 for preventing and treating root rot of soybeans and pinellia ternate, characterized by comprising coating the soybeans and the pinellia ternate seeds with the seed treatment suspension agent according to any one of claims 1-2.
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101669485A (en) * | 2009-08-23 | 2010-03-17 | 山东兆丰年生物科技有限公司 | Compound bactericidal composition containing fludioxonil |
| 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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