CN115843818A - Oil suspending agent containing mancozeb and fluopyram - Google Patents
Oil suspending agent containing mancozeb and fluopyram Download PDFInfo
- Publication number
- CN115843818A CN115843818A CN202211132811.8A CN202211132811A CN115843818A CN 115843818 A CN115843818 A CN 115843818A CN 202211132811 A CN202211132811 A CN 202211132811A CN 115843818 A CN115843818 A CN 115843818A
- Authority
- CN
- China
- Prior art keywords
- mancozeb
- fluopyram
- percent
- agent
- suspending agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000005802 Mancozeb Substances 0.000 title claims abstract description 155
- 239000005783 Fluopyram Substances 0.000 title claims abstract description 102
- KVDJTXBXMWJJEF-UHFFFAOYSA-N fluopyram Chemical compound ClC1=CC(C(F)(F)F)=CN=C1CCNC(=O)C1=CC=CC=C1C(F)(F)F KVDJTXBXMWJJEF-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000000375 suspending agent Substances 0.000 title claims abstract description 79
- 239000003921 oil Substances 0.000 claims abstract description 85
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 235000014826 Mangifera indica Nutrition 0.000 claims abstract description 30
- 235000004936 Bromus mango Nutrition 0.000 claims abstract description 29
- 235000009184 Spondias indica Nutrition 0.000 claims abstract description 29
- 239000003381 stabilizer Substances 0.000 claims abstract description 20
- 201000010099 disease Diseases 0.000 claims abstract description 13
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 12
- 239000002562 thickening agent Substances 0.000 claims abstract description 12
- 239000000080 wetting agent Substances 0.000 claims abstract description 12
- 239000002612 dispersion medium Substances 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 239000013530 defoamer Substances 0.000 claims abstract description 8
- 230000002528 anti-freeze Effects 0.000 claims abstract description 4
- 235000019198 oils Nutrition 0.000 claims description 80
- 238000002156 mixing Methods 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 28
- 241001093152 Mangifera Species 0.000 claims description 27
- 239000000575 pesticide Substances 0.000 claims description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- -1 polyoxyethylene Polymers 0.000 claims description 21
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 20
- 239000002518 antifoaming agent Substances 0.000 claims description 18
- 239000000084 colloidal system Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000011268 mixed slurry Substances 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 11
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 11
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004359 castor oil Substances 0.000 claims description 9
- 235000019438 castor oil Nutrition 0.000 claims description 9
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 9
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 8
- FLIACVVOZYBSBS-UHFFFAOYSA-N Methyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC FLIACVVOZYBSBS-UHFFFAOYSA-N 0.000 claims description 8
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 8
- 235000011613 Pinus brutia Nutrition 0.000 claims description 8
- 241000018646 Pinus brutia Species 0.000 claims description 8
- 229960000892 attapulgite Drugs 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 8
- 229910052625 palygorskite Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- UMEWSJNRBXKWKZ-UHFFFAOYSA-M sodium;1,4-dioxo-1,4-dipentoxybutane-2-sulfonate Chemical compound [Na+].CCCCCOC(=O)CC(S([O-])(=O)=O)C(=O)OCCCCC UMEWSJNRBXKWKZ-UHFFFAOYSA-M 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 235000012424 soybean oil Nutrition 0.000 claims description 8
- 239000003549 soybean oil Substances 0.000 claims description 8
- 235000013311 vegetables Nutrition 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 7
- 239000000276 potassium ferrocyanide Substances 0.000 claims description 7
- 229960004063 propylene glycol Drugs 0.000 claims description 7
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 7
- HOVAGTYPODGVJG-UVSYOFPXSA-N (3s,5r)-2-(hydroxymethyl)-6-methoxyoxane-3,4,5-triol Chemical compound COC1OC(CO)[C@@H](O)C(O)[C@H]1O HOVAGTYPODGVJG-UVSYOFPXSA-N 0.000 claims description 6
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims description 6
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims description 6
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims description 6
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- HRBZRZSCMANEHQ-UHFFFAOYSA-L calcium;hexadecanoate Chemical compound [Ca+2].CCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCC([O-])=O HRBZRZSCMANEHQ-UHFFFAOYSA-L 0.000 claims description 6
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims description 6
- HOVAGTYPODGVJG-UHFFFAOYSA-N methyl beta-galactoside Natural products COC1OC(CO)C(O)C(O)C1O HOVAGTYPODGVJG-UHFFFAOYSA-N 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000002811 oleoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 229940104261 taurate Drugs 0.000 claims description 6
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 5
- FRHBOQMZUOWXQL-UHFFFAOYSA-L ammonium ferric citrate Chemical compound [NH4+].[Fe+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FRHBOQMZUOWXQL-UHFFFAOYSA-L 0.000 claims description 5
- 239000004313 iron ammonium citrate Substances 0.000 claims description 5
- 235000000011 iron ammonium citrate Nutrition 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- CLAHOZSYMRNIPY-UHFFFAOYSA-N 2-hydroxyethylurea Chemical compound NC(=O)NCCO CLAHOZSYMRNIPY-UHFFFAOYSA-N 0.000 claims description 4
- 229940031575 hydroxyethyl urea Drugs 0.000 claims description 4
- TVFWYUWNQVRQRG-UHFFFAOYSA-N 2,3,4-tris(2-phenylethenyl)phenol Chemical compound C=1C=CC=CC=1C=CC1=C(C=CC=2C=CC=CC=2)C(O)=CC=C1C=CC1=CC=CC=C1 TVFWYUWNQVRQRG-UHFFFAOYSA-N 0.000 claims description 3
- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001732 Lignosulfonate Polymers 0.000 claims description 3
- 240000007817 Olea europaea Species 0.000 claims description 3
- NHFDKKSSQWCEES-UHFFFAOYSA-N dihydrogen phosphate;tris(2-hydroxyethyl)azanium Chemical compound OP(O)(O)=O.OCCN(CCO)CCO NHFDKKSSQWCEES-UHFFFAOYSA-N 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 229940049964 oleate Drugs 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- VJWGHGJYLCJIEK-UHFFFAOYSA-N 1,4-bis(6-methylheptoxy)-1,4-dioxobutane-2-sulfonic acid Chemical compound CC(C)CCCCCOC(=O)CC(S(O)(=O)=O)C(=O)OCCCCCC(C)C VJWGHGJYLCJIEK-UHFFFAOYSA-N 0.000 claims description 2
- LGNQGTFARHLQFB-UHFFFAOYSA-N 1-dodecyl-2-phenoxybenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1OC1=CC=CC=C1 LGNQGTFARHLQFB-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 229960005206 pyrazinamide Drugs 0.000 claims 1
- IPEHBUMCGVEMRF-UHFFFAOYSA-N pyrazinecarboxamide Chemical compound NC(=O)C1=CN=CC=N1 IPEHBUMCGVEMRF-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 21
- 238000003860 storage Methods 0.000 abstract description 15
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 240000007228 Mangifera indica Species 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000009044 synergistic interaction Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 27
- 239000003814 drug Substances 0.000 description 26
- 230000015556 catabolic process Effects 0.000 description 16
- 238000006731 degradation reaction Methods 0.000 description 16
- 239000006185 dispersion Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 239000004576 sand Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000005303 weighing Methods 0.000 description 11
- 230000000844 anti-bacterial effect Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 235000011187 glycerol Nutrition 0.000 description 8
- 239000004563 wettable powder Substances 0.000 description 8
- 239000003899 bactericide agent Substances 0.000 description 7
- 229940079593 drug Drugs 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- ZIWRUEGECALFST-UHFFFAOYSA-M sodium 4-(4-dodecoxysulfonylphenoxy)benzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCOS(=O)(=O)c1ccc(Oc2ccc(cc2)S([O-])(=O)=O)cc1 ZIWRUEGECALFST-UHFFFAOYSA-M 0.000 description 7
- 244000052616 bacterial pathogen Species 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 5
- 206010059866 Drug resistance Diseases 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 5
- 230000003902 lesion Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 235000013772 propylene glycol Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- HWQXBVHZYDELQG-UHFFFAOYSA-L disodium 2,2-bis(6-methylheptyl)-3-sulfobutanedioate Chemical compound C(CCCCC(C)C)C(C(C(=O)[O-])S(=O)(=O)O)(C(=O)[O-])CCCCCC(C)C.[Na+].[Na+] HWQXBVHZYDELQG-UHFFFAOYSA-L 0.000 description 4
- 230000000857 drug effect Effects 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000012053 oil suspension Substances 0.000 description 3
- 230000000361 pesticidal effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009885 systemic effect Effects 0.000 description 3
- 230000001018 virulence Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 2
- 241000193738 Bacillus anthracis Species 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229960004642 ferric ammonium citrate Drugs 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000004562 water dispersible granule Substances 0.000 description 2
- XERJKGMBORTKEO-VZUCSPMQSA-N (1e)-2-(ethylcarbamoylamino)-n-methoxy-2-oxoethanimidoyl cyanide Chemical compound CCNC(=O)NC(=O)C(\C#N)=N\OC XERJKGMBORTKEO-VZUCSPMQSA-N 0.000 description 1
- QFMDFTQOJHFVNR-UHFFFAOYSA-N 1-[2,2-dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene Chemical compound C1=CC(CC)=CC=C1C(C(Cl)Cl)C1=CC=C(CC)C=C1 QFMDFTQOJHFVNR-UHFFFAOYSA-N 0.000 description 1
- 241001529387 Colletotrichum gloeosporioides Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000010203 Corchorus Nutrition 0.000 description 1
- 241000332384 Corchorus Species 0.000 description 1
- 239000005756 Cymoxanil Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 229920001213 Polysorbate 20 Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229940009868 aluminum magnesium silicate Drugs 0.000 description 1
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- AWYFNIZYMPNGAI-UHFFFAOYSA-N ethylenebis(dithiocarbamic acid) Chemical class SC(=S)NCCNC(S)=S AWYFNIZYMPNGAI-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000004763 spore germination Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an oil suspending agent containing mancozeb and fluopyram, which is prepared from the following components in percentage by weight: 10 to 32 percent of mancozeb, 1 to 10 percent of fluopyram, 2 to 15 percent of emulsifier, 1 to 8 percent of dispersant, 1 to 10 percent of wetting agent, 1 to 5 percent of stabilizer, 4 to 6 percent of antifreeze, 0.75 to 2.5 percent of thickener, 0.2 to 0.5 percent of defoamer and 100 percent of dispersion medium. The invention discloses a preparation method of an oil suspending agent containing mancozeb and fluopyram.The invention controls the mancozeb slurry D 90 5-10 mu m, and a stabilizer is added to prepare the oil suspending agent, so that the problems of creaming, hardening, sedimentation and the like of mancozeb or the compound oil suspending agent thereof during long-term storage are solved, and the mancozeb is not degraded. The invention discloses application of an oil suspending agent containing mancozeb and fluopyram in prevention and control of mango diseases, which can realize synergistic interaction.
Description
Technical Field
The invention belongs to the technical field of pesticides, relates to an agricultural bactericide, and particularly relates to an oil suspending agent containing mancozeb and fluopyram.
Background
Mancozeb, common english name Mancozeb, chemical name: manganese and zinc complex salts of ethylene bis dithiocarbamic acid. Mancozeb is light yellow powder, smells like rotten eggs, is difficult to dissolve in water, and is insoluble in most organic solvents except pyridine. Mancozeb has small volatility, is unstable to light, heat and humidity, is easy to decompose carbon disulfide, and is easy to decompose to release carbon disulfide when meeting alkaline substances or copper, mercury and other substances to reduce the effect. Mancozeb is a broad-spectrum and multi-action-site protective bactericide, is not easy to generate resistance in application, is effective to various diseases such as anthracnose, early blight and the like of fruits and vegetables, and is often mixed with a systemic bactericide to delay the generation of the resistance.
Fluopyram, common english name Fluopyram, chemical name: n- {2- [ 3-chloro-5- (trifluoromethyl) pyridin-2-yl]Ethyl } -2- (trifluoromethyl) benzamide; the molecular formula is as follows: c 16 H 11 ClF 6 N 2 And O. Fluopyram can inhibit spore germination, germ tube elongation, hypha growth and spore formation of fungi. The fluopyram can be used in each growth stage of plants and has plant surface activity; in plants, fluopyram mayIt can be transmitted and transferred in xylem to provide systemic conduction, and can be quickly distributed in whole plant to protect new tissue. The fluopyram is a broad-spectrum, high-efficiency and systemic bactericide, provides protection and treatment effects, has permeability, can be conducted to the top, and has low dosage and long lasting period. The bactericidal composition is compounded with other bactericides, has good pesticide effect under low dose, is very suitable for resistance control of diseases, and has no cross resistance with other bactericides.
At present, mancozeb or a compound preparation thereof is mainly registered as wettable powder, and other formulations are relatively few. The wettable powder is easy to generate a large amount of dust during processing and is harmful to operators and the environment. Upon dilution with water, wettable powders are sometimes difficult to wet and tend to form lumps, resulting in long dispersion and mixing times and poor suspension. Due to the inevitable disadvantages mentioned above, wettable powders are gradually being eliminated, and the development and registration of other dosage forms, such as aqueous suspensions, oil suspensions, and water dispersible granules, are being pursued. Compared with a water suspending agent, a water dispersible granule, mancozeb or a compound oil suspending agent thereof, the preparation method has higher difficulty in development and processing, is easy to cause the problem of slurry viscosity in development and processing, and is easy to cause the problems of creaming, hardening, sedimentation and the like. The national standard GB/T39672-2020 specifies that the mass fraction of mancozeb in the technical mancozeb and the wettable powder is not less than 95 percent of the value measured before heat storage, namely the degradation rate is not more than 5 percent. The industrial standard HG/T3884-2006 specifies that the mass fraction of mancozeb in the mancozeb compound cymoxanil wettable powder is not less than 90 percent of the value measured before heat storage, namely the degradation rate is less than or equal to 10 percent. Compared with mancozeb technical, mancozeb wettable powder and mancozeb compound wettable powder, the mancozeb or the mancozeb compound wettable powder is more easily decomposed and deteriorated during storage or hot storage due to the particularity of the formulation of the mancozeb or the compound oil suspending agent, and the degradation rate is far over 10 percent. The popularization and the application of mancozeb or the compound oil suspending agent thereof are greatly influenced by the problems. Chinese patent CN110710534A discloses application of a sterilization composition containing fluopyram and mancozeb, discloses various formulations of mancozeb and fluopyram, and does not disclose an oil suspending agent of mancozeb and fluopyram.
In addition, in the agricultural production process, with the large-scale use of pesticides and the adjustment and change of planting structures, the disease degree and the disease amount of crops are greatly improved. The large-area and large-dosage pesticide dosage can continuously improve the drug resistance of pathogenic bacteria, and the drug resistance is difficult to control once the drug resistance is developed. In the mango planting process, pesticides are needed in each growth stage of mango, and the phenomena of poor pesticide effect, pesticide damage and the like can be caused by slight carelessness. There are reports in the literature: the long-term use of mancozeb in mangoes increases the selection pressure of pathogenic bacteria on medicaments, and easily causes drug resistance. In addition, in production, the control effect of mancozeb is reduced when the mancozeb is used for controlling the anthracnose of the mango.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide an oil suspending agent containing mancozeb and fluopyram.
The invention is realized by the following technical scheme:
an oil suspending agent containing mancozeb and fluopyram is prepared from the following components in percentage by weight: 10 to 32 percent of mancozeb, 1 to 10 percent of fluopyram, 2 to 15 percent of emulsifier, 1 to 8 percent of dispersant, 1 to 10 percent of wetting agent, 1 to 5 percent of stabilizer, 4 to 6 percent of antifreeze, 0.75 to 2.5 percent of thickener, 0.2 to 0.5 percent of defoamer and the balance of dispersion medium to 100 percent.
In the oil suspending agent containing mancozeb and fluopyram, the weight ratio of the mancozeb to the fluopyram is 1: 1-20: 1, preferably 1: 1-6: 1, and specifically can be selected from 1:1, 2:1, 4: 1 and 6: 1.
The emulsifier is one or more of cardanol polyoxyethylene (5) ether ammonium sulfate, octadecylamine polyoxyethylene ether, dodecyl diphenyl ether sodium disulfonate, oleoyl methyl taurate, diisooctyl sulfosuccinate sodium, ceteareth-25, cetearyl olive oleate and methyl glucoside sesquistearate.
The dispersing agent is one or more of sodium dipentyl sulfosuccinate, polycarboxylate, lignosulfonate, alkyl naphthalene sulfonate formaldehyde polycondensate and tristyrylphenol polyoxyethylene ether phosphate triethanolamine salt.
Specifically, the polycarboxylate is selected from Tersperse 2700; the lignosulfonate is selected from Ultrazine NA; the alkyl naphthalene sulfonate formaldehyde polycondensate is selected from Tersperse 2020; the tristyrylphenol polyoxyethylene ether phosphate triethanolamine salt is selected from Soprohpor FL.
The wetting agent is one or more of methyl isobutyl methyl sulfosuccinate, isopropyl myristate, methyl palmitate, hydroxyethyl urea and EO-PO block copolymer.
Specifically, the EO-PO block copolymer is selected from Ethyllan NS 500LQ, DOWFAX D-800.
The stabilizer is one or more of potassium ferrocyanide, calcium palmitate and ammonium ferric citrate.
The antifreezing agent is one of urea, ethylene glycol, glycerol and 1, 2-propylene glycol.
The thickening agent is one or more of attapulgite, organic bentonite, magnesium aluminum silicate and silicon dioxide.
The defoaming agent is one of an organic silicon defoaming agent, a polyether modified polysiloxane defoaming agent, a mineral oil defoaming agent and a high-carbon alcohol defoaming agent.
Specifically, the silicone defoamer is selected from SAG 1572 silicone defoaming emulsion; the polyether defoamer is selected from DOWFAX DF 103 polyether defoamer; the polyether modified polysiloxane antifoaming agent is selected from TEGO FOAMEX 843; the mineral oil antifoaming agent is selected from Drewplus T-4201; the higher alcohol defoaming agent is selected from WT-125.
The dispersion medium is one or more of soybean oil, rapeseed oil, castor oil and pine ester-based vegetable solvent oil.
The invention also aims to provide a preparation method of the oil suspending agent containing mancozeb and fluopyram, which comprises the following steps:
uniformly mixing a dispersion medium, an emulsifier, a dispersant, a wetting agent, a thickening agent, an antifreezing agent, a stabilizer and a defoaming agent, adding a mancozeb raw pesticide, fully and uniformly mixing, and passing the obtained slurry through a colloid mill;
step (2), uniformly mixing a dispersion medium, an emulsifier, a dispersant, a wetting agent, a thickening agent, an antifreezing agent and a defoaming agent, adding fluopyram raw pesticide, fully and uniformly mixing, and sanding to D with a sanding machine 90 Less than 5 μm; or mixing dispersing medium, emulsifier, dispersant, wetting agent, thickener, antifreezing agent, stabilizer, and defoamer uniformly, adding fluopyram, mixing uniformly, and sanding to D 90 ＜5μm；
And (3) uniformly mixing the slurry prepared in the step (1) and the slurry prepared in the step (2) to obtain the oil suspending agent containing mancozeb and fluopyram.
In the step (1), the uniformly mixed slurry is passed through a colloid mill until the mancozeb D is obtained 90 ＝5～10μm。
The dispersion medium, the emulsifier, the dispersant, the wetting agent, the thickener, the antifreeze, the stabilizer and the defoamer used in the step (1) and the step (2) can be the same or different.
The invention also aims to provide application of the oil suspending agent containing mancozeb and fluopyram in prevention and control of mango diseases.
The invention also aims to provide application of the composition of mancozeb and fluopyram in preventing and treating mango diseases.
The weight ratio of the mancozeb to the fluopyram is 1: 1-20: 1, preferably 1: 1-6: 1, and specifically can be selected from 1:1, 2:1, 4: 1 and 6: 1.
The mango disease is mango anthracnose.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention adopts the colloid mill, has good uniformity, can homogenize the grain diameter, is simpler and easier to control the grain diameter, solves the problems that the grain diameter of mancozeb or the compounded oil suspending agent thereof is uncontrollable in the sand milling process and the slurry is sticky in the sand milling process in the prior art, and has simpler and more efficient process compared with the prior art.
(2) The stabilizer is adopted, so that the decomposition and deterioration of mancozeb can be inhibited, the problem that the mancozeb or the compound oil suspending agent thereof is decomposed and deteriorated during storage is solved, and the degradation rate is lower than 10 percent, so that the stability is improved; in addition, in order to further improve the stability, the invention also provides the particle size D of the mancozeb slurry 90 Controlled within the range of 5-10 μm. Particle size D of the mancozeb 90 If the particle size is less than 5 mu m, the specific surface area of the raw mancozeb raw pesticide particles is increased, the raw pesticide particles are more likely to agglomerate, the viscosity of the mancozeb slurry is increased, and the processing and the use of the mancozeb or the compound oil suspending agent thereof are not facilitated. Particle diameter D of mancozeb 90 More than 10 mu m, under the action of a gravity field, the original drug particles sink continuously, so that the upper concentration and the lower concentration of the oil suspending agent are different, and the particles are more likely to settle under the action of mutual attraction force, so that the quality problems of settling, hardening and the like occur in the long-term storage and thermal storage processes of mancozeb or the compound oil suspending agent thereof. The particle diameter D of the mancozeb slurry 90 The concentration is controlled within the range of 5-10 mu m, so that the mancozeb or the compound oil suspending agent thereof has more excellent stability. In addition, the stabilizer can interact with other additives to anchor the surface of the original drug particles strongly, so that the original drug particles are prevented from being bonded with each other, and further, the quality problem caused by high degradation rate of the mancozeb component in the long-term storage or thermal storage process of the suspending agent of mancozeb or the compound oil thereof is prevented. Mixing the stabilizer with the mancozeb slurry D 90 The two technical schemes of controlling the grain diameter to be 5-10 mu m are combined, the problems of creaming, hardening, sedimentation and the like of mancozeb or a compound oil suspending agent thereof in the long-term storage or thermal storage process are effectively solved, the decomposition and deterioration of mancozeb components are effectively controlled, and the degradation rate is lower than 5 percent.
(3) Compared with common mancozeb or compound wettable powder thereof in the market, the oil suspending agent does not contain dust during preparation, processing and use, and reduces the harm to operators and the environment. In addition, the oil suspending agent has good wetting, spreading, adhesion and permeability, high suspension rate and is beneficial to the exertion of drug effect.
(4) The mancozeb and the fluopyram are compounded into an oil suspending agent, and the synergistic effect can be realized. The phenomena of poor pesticide effect, pesticide damage and the like when the mangoes are used are overcome; the bactericidal composition has the advantages of delaying the drug resistance of germs, high sterilization speed, wide control range, long lasting period, reduced application cost and obviously better control effect than other single agents.
(5) The invention adopts the formula composition and the preparation method, overcomes the problem that mancozeb or the compound oil suspending agent thereof is difficult to develop and process in the prior art, and provides the mancozeb and fluopyram compound oil suspending agent which has qualified physicochemical indexes and excellent control effect on mango anthracnose.
Detailed Description
In order to make the technical solutions, objects and advantages of the present invention more apparent, the present invention is described with the following specific embodiments, but the present invention may be implemented in various forms and should not be limited by the embodiments set forth herein.
Example 1:10% mancozeb and 10% fluopyram oil suspending agent
Step 1: adding soybean oil: 68.3%, ammonium cardanol polyoxyethylene (5) ether sulfate: 2%, ultrazine NA:1%, methyl isobutyl methyl sulfosuccinate sodium: 1%, potassium ferrocyanide: 1% and urea: 5% and attapulgite: 1.5%, SAG 1572:0.2 percent; mixing uniformly, adding 20% of mancozeb raw medicine, and mixing uniformly; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 5 μm, ready for use;
and 2, step: adding soybean oil: 66.3%, ammonium cardanol polyoxyethylene (5) ether sulfate: 2%, ultrazine NA:1%, methyl isobutyl methyl sulfosuccinate sodium: 1.5%, calcium palmitate: 1% and urea: 6% and attapulgite: 2%, SAG 1572:0.2 percent; mixing uniformly, and adding fluopyram raw pesticide: 20 percent, fully and uniformly mixed, and put into a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 1:1 to obtain the 10% mancozeb and 10% fluopyram oil suspending agent.
Example 2:18% mancozeb +9% fluopyram oil suspending agent
Step 1: adding rapeseed oil into a dispersion kettle: 41.2%, octadecylamine polyoxyethylene ether: 8%, tersperse 2700:1%, isopropyl myristate: 4%, calcium palmitate: 4%, ethylene glycol: 4%, organobentonite: 1.5%, DOWFAX DF 103:0.3 percent of the raw materials are mixed evenly, and then 36 percent of mancozeb raw material is added and mixed evenly; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 6 μm, ready for use;
step 2: adding rapeseed oil into a dispersion kettle: 66.7%, octadecylamine polyoxyethylene ether: 4%, tersperse 2700:1%, isopropyl myristate: 4%, ethylene glycol: 4%, organobentonite: 2%, DOWFAX DF 103:0.3 percent; mixing evenly, adding fluopyram raw pesticide: 18 percent, fully and uniformly mixed, and put into a sand mill until the mixture reaches D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 1:1 to obtain the 18% mancozeb and 9% fluopyram oil suspending agent.
Example 3:28% mancozeb and 7% fluopyram oil suspending agent
Step 1: adding castor oil: 39.6%, sodium dodecyl diphenyl ether disulfonate: 10%, tersperse2020:1%, ethyllan NS 500LQ:2%, ammonium ferric citrate: 5%, glycerin: 6% and organobentonite: 1%, TEGO FOAMEX843:0.4 percent of the raw materials are mixed evenly, and then 35 percent of mancozeb raw material is added and mixed evenly; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 7 μm, ready for use;
step 2: adding castor oil into a dispersion kettle: 49.6 percent, sodium dodecyl diphenyl ether disulfonate: 4%, tersperse2020:1%, ethyllan NS 500LQ:4%, glycerin: 5%, organobentonite: 1%, TEGO FOAMEX843:0.4 percent; mixing uniformly, and adding fluopyram raw pesticide: 35% by weight, mixing thoroughlyMixing, grinding until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 4: 1 to obtain the 28% mancozeb and 7% fluopyram oil suspending agent.
Example 4:30% mancozeb and 5% fluopyram oil suspending agent
Step 1: adding pine ester-based vegetable solvent oil into a dispersion kettle: 34.5%, sodium oleoyl methyl taurate: 5%, sodium diisooctyl sulfosuccinate: 5%, soprohpor FL:1%, DOWFAX D-800:2%, potassium ferrocyanide: 6%, 1, 2-propanediol: 5%, aluminum magnesium silicate: 1%, drewplus T-4201:0.5 percent, evenly mixing, then adding 40 percent of mancozeb raw pesticide, and fully and evenly mixing; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 8 μm for use;
step 2: adding pine ester-based vegetable solvent oil into a dispersion kettle: 64%, sodium oleoyl methyl taurate: 2%, sodium diisooctyl sulfosuccinate: 3%, soprohpor FL:1%, DOWFAX D-800:3%, 1, 2-propanediol: 5% of magnesium aluminum silicate: 1.5%, drewplus T-4201:0.5 percent; mixing evenly, adding fluopyram raw pesticide: 20 percent, fully and uniformly mixed, and put into a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 3:1 to obtain the 30% mancozeb and 5% fluopyram oil suspending agent.
Example 5:32% mancozeb and 4% fluopyram oil suspending agent
Step 1: adding soybean oil: 31.8%, ceteareth-25: 10%, sodium dipentyl sulfosuccinate: 1%, tersperse2020: 4%, methyl palmitate: 1%, ferric ammonium citrate: 6% and urea: 5%, silicon dioxide: 1%, WT-125:0.2 percent; mixing uniformly, adding 40% of mancozeb raw medicine, and mixing uniformly; the mixed slurry is put through a colloid mill until the particle size D 90 About 9 μm, ready for use;
step 2: in thatAdding soybean oil into a dispersion kettle: 49.3%, ceteareth-25: 20%, sodium dipentyl sulfosuccinate: 1%, tersperse2020: 2%, methyl palmitate: 1%, potassium ferrocyanide: 1% and urea: 4%, silicon dioxide: 1.5%, WT-125:0.2 percent; mixing evenly, adding fluopyram raw pesticide: 20 percent, fully and uniformly mixed, and put into a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 4: 1 to obtain the 32% mancozeb and 4% fluopyram oil suspending agent.
Example 6:30% mancozeb and 3% fluopyram oil suspending agent
Step 1: adding soybean oil: 16.1%, rapeseed oil: 16.1%, cetearyl olivate: 4%, methyl glucoside sesquistearate: 1% sodium dipentyl sulfosuccinate: 1%, soprohpor FL:2%, hydroxyethyl urea: 10%, calcium palmitate: 4%, ethylene glycol: 5% and attapulgite: 0.5%, SAG 1572:0.3 percent; mixing uniformly, adding 40% of mancozeb raw medicine, and mixing uniformly; the mixed slurry is put through a colloid mill until the particle size D 90 About 10 μm for use;
step 2: adding soybean oil: 31.6% and rapeseed oil: 31.6%, cetearyl olive oleate: 3% methyl glucoside sesquistearate: 3%, sodium dipentyl sulfosuccinate: 1%, soprohpor FL:1%, hydroxyethyl urea: 10%, ethylene glycol: 5% and attapulgite: 1.5%, DOWFAX DF 103:0.3 percent; mixing evenly, adding fluopyram raw pesticide: 12 percent, fully and uniformly mixing, and passing through a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 3:1 to obtain the 30% mancozeb and 3% fluopyram oil suspending agent.
Example 7:15% mancozeb +1% fluopyram oil suspending agent
Step 1: adding castor oil into a dispersion kettle:27.8%, rapeseed oil: 27.8%, methyl glucoside sesquistearate: 2%, ammonium cardanol polyoxyethylene (5) ether sulfate: 1%, sodium dipentyl sulfosuccinate: 1%, methyl isobutyl methyl sulfosuccinate sodium: 2%, ferric ammonium citrate: 2%, glycerin: 5% and attapulgite: 0.5%, organobentonite: 0.5%, DOWFAX DF 103:0.4 percent; mixing evenly, then adding 30% of mancozeb technical, and mixing evenly; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 5 μm, ready for use;
step 2: adding castor oil: 22.8% and rapeseed oil: 22.8%, methyl glucoside sesquistearate: 20%, ammonium cardanol polyoxyethylene (5) ether sulfate: 7% of sodium dipentyl sulfosuccinate: 15%, methyl isobutyl methyl sulfosuccinate sodium: 1%, glycerin: 5% and attapulgite: 2%, organobentonite: 2%, DOWFAX DF 103:0.4 percent; mixing uniformly, and adding fluopyram raw pesticide: 2 percent, fully and uniformly mixed, and put into a sand mill until the mixture reaches D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 1:1 to obtain the 15% mancozeb and 1% fluopyram oil suspending agent.
Example 8:20% mancozeb and 1% fluopyram oil suspending agent
Step 1: adding a pine ester-based vegetable solvent oil into a dispersion kettle: 39%, octadecylamine polyoxyethylene ether: 3% of sodium dodecyl diphenyl ether disulfonate: 2%, ultrazine NA:2%, isopropyl myristate: 2%, ethyllan NS 500LQ:1%, potassium ferrocyanide: 3%, 1, 2-propanediol: 6%, silicon dioxide: 1.5%, TEGO FOAMEX843: 0.5 percent; mixing uniformly, adding 40% of mancozeb raw medicine, and mixing uniformly; the mixed slurry is put through a colloid mill until the particle size D 90 About 6 μm, ready for use;
step 2: adding a pine ester-based vegetable solvent oil into a dispersion kettle: 74% and octadecylamine polyoxyethylene ether: 3% of sodium dodecyl diphenyl ether disulfonate: 3%, ultrazine NA:2%, isopropyl myristate: 4% Ethylan NS500LQ:2% and urea: 6%, silicon dioxide: 3.5%, TEGO FOAMEX843: 0.5 percent; mixing uniformly, and adding fluopyram raw pesticide: 2 percent, fully and uniformly mixed, and put into a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 1:1 to obtain the 20% mancozeb and 1% fluopyram oil suspending agent.
Comparative example 1:28% mancozeb and 7% fluopyram oil suspending agent
Step 1: adding castor oil: 44.6 percent, sodium dodecyl diphenyl ether disulfonate: 10%, tersperse2020:1%, ethyllan NS 500LQ:2%, glycerin: 6% and organobentonite: 1%, TEGO FOAMEX843:0.4 percent of the raw materials are mixed evenly, and then 35 percent of mancozeb raw material is added and mixed evenly; the mixed slurry is put through a colloid mill until the particle size D 90 About 7 μm, ready for use;
and 2, step: adding castor oil: 49.6 percent, sodium dodecyl diphenyl ether disulfonate: 4%, tersperse2020:1%, ethyllan NS 500LQ:4%, glycerin: 5%, organobentonite: 1%, TEGO FOAMEX843:0.4 percent; mixing uniformly, and adding fluopyram raw pesticide: 35%, mixing thoroughly, grinding to D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 4: 1 to obtain the 28% mancozeb and 7% fluopyram oil suspending agent.
Comparative example 2:30% mancozeb and 5% fluopyram oil suspending agent
Step 1: adding a pine ester-based vegetable solvent oil into a dispersion kettle: 34.5%, sodium oleoyl methyl taurate: 5% sodium diisooctyl sulfosuccinate: 5%, soprohpor FL:1%, DOWFAX D-800:2%, potassium ferrocyanide: 6%, 1, 2-propanediol: 5% of magnesium aluminum silicate: 1%, drewplus T-4201:0.5 percent; mixing uniformly, adding 40% of mancozeb raw medicine, and mixing uniformly; the mixed slurry is put through a colloid mill until the particle size D 90 About 3 μm for use;
step 2: adding pine ester-based vegetable solvent oil into a dispersion kettle: 64%, sodium oleoyl methyl taurate: 2%, sodium diisooctyl sulfosuccinate: 3%, soprohpor FL:1%, DOWFAX D-800:3%, 1, 2-propanediol: 5% of magnesium aluminum silicate: 1.5%, drewplus T-4201:0.5 percent; mixing uniformly, and adding fluopyram raw pesticide: 20 percent, fully and uniformly mixed, and put into a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 3:1 to obtain the 30% mancozeb and 5% fluopyram oil suspending agent.
Comparative example 3:18% mancozeb +9% fluopyram oil suspending agent
Step 1: adding rapeseed oil into a dispersion kettle: 41.2%, octadecylamine polyoxyethylene ether: 8%, tersperse 2700:1%, isopropyl myristate: 4%, calcium palmitate: 4%, ethylene glycol: 4%, organobentonite: 1.5%, DOWFAX DF 103:0.3 percent of the raw material, adding 36 percent of mancozeb, and fully and evenly mixing; the mixed slurry is put through a colloid mill until the particle diameter D is reached 90 About 13 μm, ready for use;
step 2: adding rapeseed oil into a dispersion kettle: 66.7%, octadecylamine polyoxyethylene ether: 4%, tersperse 2700:1%, isopropyl myristate: 4%, ethylene glycol: 4%, organobentonite: 2%, DOWFAX DF 103:0.3 percent; mixing uniformly, and adding fluopyram raw pesticide: 18 percent, fully and uniformly mixing, and passing through a sand mill until D 90 Less than 5 μm for standby;
and step 3: and (3) weighing the slurry prepared in the step (1) and the slurry prepared in the step (2), and uniformly mixing the two according to the weight ratio of 1:1 to obtain the 18% mancozeb and 9% fluopyram oil suspending agent.
Comparative example 4:25% mancozeb oil suspending agent
Adding castor oil: 54.6 percent, sodium dodecyl diphenyl ether disulfonate: 10%, tersperse2020:1%, ethyllan NS 500LQ:2%, glycerin: 6% and organobentonite: 1%, TEGO FOAMEX843:0.4 percent, evenly mixing, then adding 25 percent of mancozeb technical, fully and evenly mixing, and passing through a sand mill until D 90 And after the particle size is less than 5 mu m, the 25 percent mancozeb oil suspending agent is obtained.
Quality technical index of oil suspending agent
The mancozeb compound fluopyram oil suspending agent has no national standard, industrial standard and enterprise standard. The general indexes of the mancozeb compound fluopyram oil suspending agent are tested by referring to the following standards:
(1) Effective mass fraction:
the determination of the mancozeb mass fraction is carried out by referring to the method in GB/T39672-2020,
the mass fraction of the fluopyram is measured by the method in a reference Q/371625SKQ 025-2015;
(2) The suspension percentage is measured by referring to the method in GB/T14825-2006;
(3) The method for measuring the heat storage stability is carried out by referring to the method in GB/T19136-2021;
(4) The method for measuring the cold storage stability is carried out by referring to the method in GB/T19137-2003;
(5) The determination method of pH is carried out by referring to the method in GB/T1601-1993;
(6) The determination method of the permanent foaming height is carried out by referring to the method in GB/T28137-2011;
(7) The determination of the wet sieve test is carried out with reference to the method in GB/T16150-1995;
(8) The particle size is measured by the method in NY/T1860.32-2016;
(9) The pourability is measured by reference to the method in GB/T31737-2015;
(10) The appearance was measured by the method described in NY/T1860.3-2016.
The quality indexes of the oil suspending agents prepared in examples 1 to 8 and comparative examples 1 to 4 are shown in Table 1.
TABLE 1 quality index of oil suspension concentrate
From table 1, it can be seen that:
control of mancozeb slurry D 90 In the case of the 5-10 μm and the compound oil suspending agent of mancozeb and fluopyram (examples 1-8) prepared by adding the stabilizer, the physicochemical indexes all meet the corresponding standards. The preparation is not creamed and hardened after hot storage, wherein the degradation rate of the mancozeb component is 3.3 percent at most, and the degradation rate is low.
Control of mancozeb slurry D 90 In the case of the mancozeb and fluopyram compound oil suspending agent (comparative example 1) with the particle size of 5-10 mu m and without adding a stabilizing agent, the physicochemical indexes after thermal storage do not meet the corresponding standards, the degradation rate of the mancozeb component is over high and is 23.1%.
Adding a stabilizer, but adding mancozeb slurry D 90 The mancozeb and fluopyram compound oil suspending agent (comparative example 2 and comparative example 3) which is not controlled to be 5-10 mu m, the degradation rates of mancozeb components are respectively 6.9% and 8.2%, compared with the degradation rates of examples 1-8, the degradation rates are higher, hardening occurs after heat storage, and the physical and chemical indexes do not meet corresponding standards.
No stabilizer added, mancozeb slurry D 90 And the mancozeb oil suspending agent (comparative example 4) with the particle size of 5-10 mu m is not controlled, the physicochemical indexes after thermal storage do not meet the corresponding standards, and the degradation rate of mancozeb is over high and is 27.9 percent.
Therefore, the stabilizer plays a main role in controlling the degradation rate, and the mancozeb slurry D 90 The particle size is controlled to be 5-10 mu m', and the degradation rate can be further inhibited. Mixing the stabilizer with the mancozeb slurry D 90 The two technical schemes of controlling the grain diameter to be between 5 and 10 mu m are combined, the problems of creaming, hardening, sedimentation and the like of the mancozeb or the compound oil suspending agent thereof during storage are effectively solved, and the decomposition, the deterioration and the modification of the mancozeb component are effectively controlledThe degradation rate is less than 5%.
Example 9: indoor bioassay test
Test strains:
the mango fruit and the mango leaves with anthracnose symptoms are collected from a mango plantation in the right river of Baise city, guangxi by a five-point method. The strain was identified as Colletotrichum gloeosporioides Penz by conventional tissue isolation, PDA medium isolation, single spore purification, and Corchorus Law. And cutting agar of small blocks at the edges of the colonies by using an inoculating knife, transferring the agar into a test tube slant culture medium for culture, and storing a proper amount of the colonies growing in the test tube in a refrigerator at 4 ℃ for later use.
Determination of susceptibility of pathogenic bacteria to agents:
the sensitivity of mango anthrax pathogenic bacteria to the medicament is determined by a growth rate method. Fluopyram is dissolved by acetone, and mancozeb is dissolved by water. Then 0.1% Tween-20 aqueous solution is used for diluting to obtain the liquid medicine with the required concentration. Sucking a certain amount of liquid medicine by a liquid transfer device, mixing with a certain amount of PDA culture medium, fully shaking up, and finally preparing the medicine-containing culture medium with the required concentration. A number of strains stored in a 4 ℃ refrigerator were transferred to plates for activation. After culturing in a constant temperature incubator at 28 ℃, a puncher is used for punching a bacterial cake of 0.8cm into medicaments and plates with different concentrations for preliminary experiments. After culturing for several days in a constant-temperature incubator at 28 ℃, observing the growth condition of colonies under different medicament concentrations after the colonies in the CK plate grow, measuring the size of the colonies by a cross method, and calculating the bacteriostasis rate (%) of the medicament to the strains.
Indoor virulence determination for pathogenic bacteria:
according to the sensitivity measurement result of each strain under different medicament concentration, DPS software is used for converting the bacteriostasis rate of each medicament and different strains into a probability value. Using each probability value as y and each log of agent concentration as x, software was used to find each virulence regression equation y = ax + b, correlation coefficient r and 95% confidence limit.
And (3) calculating a synergistic coefficient (SR) or a cotoxicity coefficient (CTC) according to a Sun Yunpei method, and evaluating the combined action type of the medicament. Namely, the co-toxicity coefficient (CTC) of the compound preparation is more than or equal to 120, which shows the synergistic effect; CTC is less than or equal to 80 and shows antagonism; 80 < CTC < 120 showed additive effects.
TABLE 2 indoor toxicity determination of Mancozeb and Fluopyram for mango anthracnose
| Reagent for testing | Proportioning | Regression equation of virulence | Correlation coefficient | EC 50 (mg/L) | Co-toxicity coefficient |
| Mancozeb | - | y＝3.7392+0.6283x | 0.9581 | 101.5797 | / |
| Fluopyram | - | y＝4.5956+0.5527x | 0.9747 | 5.3904 | / |
| Mancozeb fluopyram | 1∶1 | y＝3.8267+0.6168x | 0.96 | 79.8326 | 214.6592 |
| Mancozeb fluopyram | 2∶1 | y＝3.7641+0.6579x | 0.9446 | 75.5919 | 184.4587 |
| Mancozeb fluopyram | 4∶1 | y＝3.7242+0.728x | 0.9796 | 56.5579 | 214.5531 |
| Mancozeb fluopyram | 6∶1 | y＝3.71+0.713x | 0.9676 | 64.4455 | 178.3760 |
| Mancozeb fluopyram | 8∶1 | y＝3.7634+0.6246x | 0.9576 | 95.4465 | 117.0155 |
| Mancozeb fluopyram | 10∶1 | y＝3.7116+0.6341x | 0.9975 | 105.6841 | 103.8023 |
| Mancozeb fluopyram | 15∶1 | y＝3.9266+0.5255x | 0.9486 | 110.3297 | 97.0074 |
| Mancozeb fluopyram | 20∶1 | y＝3.8631+0.5422x | 0.9497 | 125.0447 | 84.5125 |
As can be seen from table 2, the results of the potency test of mancozeb in combination with fluopyram on mango anthrax show: the mancozeb and the fluopyram have obvious synergistic or additive effect. Especially, when the weight ratio of the mancozeb to the fluopyram is 1:1, 2:1, 4: 1 and 6: 1, the synergistic effect is most obvious. The oil suspending agent with the ratio of mancozeb to fluopyram of 1:1, 2:1, 4: 1 and 6: 1 is selected for field drug effect test.
Example 10: field efficacy test for preventing and treating mango anthracnose
The test was carried out in a mango plantation in the autonomous county of Changjiang Li, hainan province, where the mango variety was "Tainong No. 2", the test had moderate fertility, sandy loam, and the topography was a small gentle slope. The same variety of the crops in each cell has basically consistent conditions of planting period, growth vigor, fertilizer and water management and the like, the tree age is 5 years, and the mango shoots grow earlier. Mango anthracnose is more serious in the base in the past year.
The test refers to the field efficacy test criteria (GB/T17980.98-2004) of pesticides, the control effect of the oil suspending agent prepared in the examples 1-4 on mango anthracnose is examined, 80% of mancozeb WP and 41.7% of fluopyram SC are used as contrast agents, and clear water is used as a blank Control (CK). Each medicament is set at 2 concentrations, namely 400 times and 800 times. Each concentration is repeated for 4 times, 1 cell is repeated, 3 mango trees are planted in each cell, 49 cells are totally treated, and 147 trees are treated. All the treatment rooms are arranged in blocks randomly, and protection lines are arranged between adjacent treatment rooms. When in application and spraying, a blue-art 3WBD-16L knapsack electric sprayer is selected for conventional spraying, the amount of the liquid medicine used in each district is 7.5kg, and the liquid medicine is uniformly sprayed from top to bottom to wet the front and back surfaces of the leaves.
The test was performed at the beginning of 1 month at 2021, the first application time was 1 month and 4 days at 2021, the second application time was 1 month and 14 days at 2021, and the third application time was 1 month and 24 days at 2021, all of which were performed on sunny days, each application was performed at 3 pm, and no other bactericide was used during the application period.
The drug effect of the drug application is investigated for 4 times in total: investigating the morbidity and the disease base before drug application, sampling each plant according to east, south, west, north and middle five points 10 days after each drug application, investigating all leaves of 2 tips at each point, recording and investigating the total leaf number and the leaf number of each grade of disease, and respectively recording according to the following grading standards:
stage 0: no disease spots;
level 1: the area of the lesion spots accounts for less than 5% of the whole leaf area;
and 3, level: the lesion area accounts for 6 to 15 percent of the whole leaf area;
and 5, stage: the lesion area accounts for 16 to 25 percent of the whole leaf area;
and 7, stage: the lesion area accounts for 26-50% of the whole leaf area;
and 9, stage: the lesion spot area accounts for more than 51 percent of the whole leaf area;
the control effect calculation method comprises the following steps:
TABLE 3 control results of field drug effect test for mango anthracnose
As can be seen from table 3, the oil suspension agents prepared in examples 1 to 4 all had better control effects than 80% of mancozeb WP and 41.7% of fluopyram SC. In combination with example 9, it is shown that: the mancozeb and the fluopyram are compounded to prepare the oil suspending agent, so that the synergistic effect can be realized, the control effect is better than that of a single agent, the control effect on the mango anthracnose is obviously improved, the control range is wide, the lasting period is long, the dosage and the medication cost are reduced, and the oil suspending agent has good application value in agricultural production.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An oil suspending agent containing mancozeb and fluopyram is characterized in that: the paint is prepared from the following components in percentage by weight: 10 to 32 percent of mancozeb, 1 to 10 percent of fluopyram, 2 to 15 percent of emulsifier, 1 to 8 percent of dispersant, 1 to 10 percent of wetting agent, 1 to 5 percent of stabilizer, 4 to 6 percent of antifreeze, 0.75 to 2.5 percent of thickener, 0.2 to 0.5 percent of defoamer and the balance of dispersion medium to 100 percent.
2. The oil suspending agent containing mancozeb and fluopyram according to claim 1, which is characterized in that: the weight ratio of the mancozeb to the fluopyram is 1: 1-20: 1, preferably 1: 1-6: 1.
3. The oil suspending agent containing mancozeb and fluopyram according to claim 1, which is characterized in that: the emulsifier is one or more of cardanol polyoxyethylene (5) ether ammonium sulfate, octadecylamine polyoxyethylene ether, dodecyl diphenyl ether sodium disulfonate, oleoyl methyl taurate, diisooctyl sulfosuccinate sodium, ceteareth-25, cetearyl olive oleate and methyl glucoside sesquistearate.
4. The oil suspending agent containing mancozeb and fluopyram according to claim 1, which is characterized in that: the dispersing agent is one or more of sodium dipentyl sulfosuccinate, polycarboxylate, lignosulfonate, alkyl naphthalene sulfonate formaldehyde polycondensate and tristyrylphenol polyoxyethylene ether phosphate triethanolamine salt;
the wetting agent is one or more of methyl isobutyl methyl sulfosuccinate, isopropyl myristate, methyl palmitate, hydroxyethyl urea and EO-PO block copolymer.
5. The oil suspending agent containing mancozeb and fluopyram according to claim 1, which is characterized in that: the stabilizer is one or more of potassium ferrocyanide, calcium palmitate and ammonium ferric citrate.
6. The oil suspending agent containing mancozeb and fluopyram according to claim 1, which is characterized in that: the antifreezing agent is one of urea, ethylene glycol, glycerol and 1, 2-propylene glycol;
the thickening agent is one or more of attapulgite, organic bentonite, magnesium aluminum silicate and silicon dioxide;
the defoaming agent is one of an organic silicon defoaming agent, a polyether modified polysiloxane defoaming agent, a mineral oil defoaming agent and a high-carbon alcohol defoaming agent;
the dispersion medium is one or more of soybean oil, rapeseed oil, castor oil and pine ester-based vegetable solvent oil.
7. A method for preparing the mancozeb and fluopyram-containing oil suspending agent of claim 1, which is characterized in that: the method comprises the following steps:
uniformly mixing a dispersion medium, an emulsifier, a dispersant, a wetting agent, a thickening agent, an antifreezing agent, a stabilizer and a defoaming agent, adding a mancozeb raw pesticide, uniformly mixing, and passing the obtained slurry through a colloid mill;
step (2), uniformly mixing a dispersion medium, an emulsifier, a dispersant, a wetting agent, a thickening agent, an antifreezing agent and a defoaming agent, adding fluopyram raw pesticide, uniformly mixing, and sanding by a sanding machine until D 90 Less than 5 μm; or first uniformly mixing a dispersion medium, an emulsifier, a dispersant, a wetting agent, a thickening agent, an antifreezing agent, a stabilizer and a defoaming agent, then adding the fluopyram raw pesticide, uniformly mixing, and sanding to D 90 ＜5μm；
And (3) uniformly mixing the slurry prepared in the step (1) and the slurry prepared in the step (2) to obtain the oil suspending agent containing mancozeb and fluopyram.
8. The composition of claim 7, which contains mancozeb and fluorineThe preparation method of the oil suspending agent of the pyrazinamide is characterized by comprising the following steps: in the step (1), the uniformly mixed slurry is passed through a colloid mill until D 90 ＝5～10μm。
9. The application of the mancozeb and fluopyram-containing oil suspending agent of claim 1 in preventing and treating mango diseases, preferably in preventing and treating mango anthracnose.
10. The application of the composition of mancozeb and fluopyram in preventing and treating mango diseases, preferably in the application of mango anthracnose; wherein the weight ratio of the mancozeb to the fluopyram is 1: 1-20: 1, preferably 1: 1-6: 1.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170829A (en) * | 2014-09-01 | 2014-12-03 | 山东碧奥生物科技有限公司 | Pesticide composition containing fluopyram and difenoconazole |
| CN104247712A (en) * | 2014-03-19 | 2014-12-31 | 陕西上格之路生物科学有限公司 | Dispersible oil suspending agent containing pyraclostrobin and mancozeb |
| CN110710534A (en) * | 2018-07-13 | 2020-01-21 | 江苏龙灯化学有限公司 | Application of sterilization composition containing fluopyram and mancozeb |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104247712A (en) * | 2014-03-19 | 2014-12-31 | 陕西上格之路生物科学有限公司 | Dispersible oil suspending agent containing pyraclostrobin and mancozeb |
| CN104170829A (en) * | 2014-09-01 | 2014-12-03 | 山东碧奥生物科技有限公司 | Pesticide composition containing fluopyram and difenoconazole |
| CN110710534A (en) * | 2018-07-13 | 2020-01-21 | 江苏龙灯化学有限公司 | Application of sterilization composition containing fluopyram and mancozeb |
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