CN101564042B - Bactericidal composition compounded by dimethomorph and prochloraz - Google Patents
Bactericidal composition compounded by dimethomorph and prochloraz Download PDFInfo
- Publication number
- CN101564042B CN101564042B CN2009100329535A CN200910032953A CN101564042B CN 101564042 B CN101564042 B CN 101564042B CN 2009100329535 A CN2009100329535 A CN 2009100329535A CN 200910032953 A CN200910032953 A CN 200910032953A CN 101564042 B CN101564042 B CN 101564042B
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- CN
- China
- Prior art keywords
- prochloraz
- dimethomorph
- weight portions
- composition
- active ingredient
- 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.)
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Links
- 239000005820 Prochloraz Substances 0.000 title claims abstract description 43
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 title claims abstract description 42
- QNBTYORWCCMPQP-JXAWBTAJSA-N (Z)-dimethomorph Chemical compound C1=C(OC)C(OC)=CC=C1C(\C=1C=CC(Cl)=CC=1)=C/C(=O)N1CCOCC1 QNBTYORWCCMPQP-JXAWBTAJSA-N 0.000 title claims abstract description 30
- 239000005761 Dimethomorph Substances 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title abstract description 40
- 230000000844 anti-bacterial effect Effects 0.000 title abstract description 18
- 230000002195 synergetic effect Effects 0.000 claims abstract description 13
- 241000209094 Oryza Species 0.000 claims description 18
- 235000007164 Oryza sativa Nutrition 0.000 claims description 18
- 235000009566 rice Nutrition 0.000 claims description 18
- 239000004480 active ingredient Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000004562 water dispersible granule Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 229920001732 Lignosulfonate Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- -1 salt compounds Chemical class 0.000 abstract description 27
- 239000012752 auxiliary agent Substances 0.000 abstract description 5
- 239000004094 surface-active agent Substances 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 4
- 206010034133 Pathogen resistance Diseases 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
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- 239000003814 drug Substances 0.000 description 9
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 201000010099 disease Diseases 0.000 description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 6
- 239000003899 bactericide agent Substances 0.000 description 6
- 239000011565 manganese chloride Substances 0.000 description 6
- 229940099607 manganese chloride Drugs 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
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- OXOKTPUZOHPXSA-UHFFFAOYSA-L manganese(2+);n-propyl-n-[2-(2,4,6-trichlorophenoxy)ethyl]imidazole-1-carboxamide;dichloride Chemical compound Cl[Mn]Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl OXOKTPUZOHPXSA-UHFFFAOYSA-L 0.000 description 4
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 241000233866 Fungi Species 0.000 description 3
- 241001330975 Magnaporthe oryzae Species 0.000 description 3
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- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
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- 125000002877 alkyl aryl group Chemical group 0.000 description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
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- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000007046 ethoxylation reaction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000000855 fungicidal effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 230000010534 mechanism of action Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 150000002790 naphthalenes Chemical class 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 235000020354 squash Nutrition 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 230000001018 virulence Effects 0.000 description 2
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 1
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- NWACCXJCJNDIDK-UHFFFAOYSA-N 1,2,3-tributylbenzene Chemical compound CCCCC1=CC=CC(CCCC)=C1CCCC NWACCXJCJNDIDK-UHFFFAOYSA-N 0.000 description 1
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 1
- QZEDXQFZACVDJE-UHFFFAOYSA-N 2,3-dibutylnaphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(O)(=O)=O)=C(CCCC)C(CCCC)=CC2=C1 QZEDXQFZACVDJE-UHFFFAOYSA-N 0.000 description 1
- NFAOATPOYUWEHM-UHFFFAOYSA-N 2-(6-methylheptyl)phenol Chemical compound CC(C)CCCCCC1=CC=CC=C1O NFAOATPOYUWEHM-UHFFFAOYSA-N 0.000 description 1
- FSCWZHGZWWDELK-UHFFFAOYSA-N 3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione Chemical compound O=C1C(C)(C=C)OC(=O)N1C1=CC(Cl)=CC(Cl)=C1 FSCWZHGZWWDELK-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 description 1
- 241000233652 Chytridiomycota Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 241000233654 Oomycetes Species 0.000 description 1
- 241000233679 Peronosporaceae Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 241000233647 Phytophthora nicotianae var. parasitica Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 241000918585 Pythium aphanidermatum Species 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a bactericidal composition, which comprises active synergistic components of dimethomorph and prochloraz or agriculturally acceptable salt compounds thereof, wherein the weight ratio of the dimethomorph to the prochloraz amines is 1:0.01-50, and preferably 1:0.05-30. The bactericidal composition also comprises a carrier, a surfactant or an auxiliary agent. When the dimethomorph and the prochloraz amines are applied together, the bactericidal composition has obvious synergized action, and enlarges the bactericidal spectrum and reduces the applied times at the same time, and the dimethomorph and the prochloraz do not have cross resistance.
Description
Technical field
The invention belongs to the agriculture plant protection field, particularly relate to a kind of bactericidal composition that improves performance that has, specifically relate to the bactericidal composition of acceptable salt compounds on a kind of agricultural that comprises dimethomorph and Prochloraz or Prochloraz.
Background technology
Using chemical agent is the most effectively means of control plant hazard fungi.But long-term use single chemical bactericide continuously high dose, cause residual, the environmental pollution and the anti-pesticide resistance fungi developing problems of medicament easily.Reasonably chemical bactericide is composite or be mixed and have the expansion fungicidal spectrum; Improve control efficiency, prolong the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay fungi drug resistance and positive characteristics such as drug-fast generation and development, bactericide compounded or to be mixed be one of the effective method the most that addresses the above problem.Exploitation new product bactericide price is constantly soaring, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite be mixed have small investment, the lead time is short and receive domestic and international attention, strengthens the development dynamics one after another.
Dimethomorph is widely used in vegetables downy mildew, eqpidemic disease, seedling stage damping off, black shank etc. by the fungus-caused disease control of Mastigomycotina Oomycete.Have extremely strong interior absorption ability, can be absorbed by green portion such as the root of crop, stem, leaves fast, the germ that does in the object has been invaded in control in time, simultaneously newborn blade is also had desirable protective effect.Prochloraz has treatment, prevention and eradicant action to the multiple diseases on field crop, fruit, vegetables, turf and the ornamental plants.The use of Prochloraz starts from the seventies; Along with Prochloraz in recent years in the penetration and promotion in bactericide field; It is obvious all the more that resistance problem becomes, and the active ingredient amount of application is and increases trend year by year during controlling plant diseases, and this brings acid test just for crop and pedo relict; But in the plant sterilization field, Prochloraz still has irreplaceable status.
Summary of the invention
The present invention provides a kind of bactericidal composition for solving above-mentioned two kinds of weak points that medicament is used separately, and said composition comprises active ingredient dimethomorph and Prochloraz or its agriculture acceptable salt compounds with synergistic effect.Have obvious synergistic effect when combination of active principles is used, enlarged fungicidal spectrum simultaneously, reduced spraying times, and do not have cross resistance between dimethomorph and the Prochloraz.
Among the application, the Prochloraz class is meant that Prochloraz and its agricultural go up acceptable salt compounds, particularly its metal salt compound.
The english common name of Prochloraz is Prochloraz, and chemical name is N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-imidazoles-1-formamide, and structure is as shown in the formula (I):
Acceptable salt compounds is a Prochloraz metal salt compound for example on the agricultural of Prochloraz, and wherein metal is selected from first to second transiting group metal elements in the periodic table of elements, is preferably manganese, iron, zinc or copper; Metal can also be selected from the second main group metal element, is preferably calcium or magnesium; In addition, metal ion can also be selected from the third and fourth main group metal element, is preferably aluminium or tin.Wherein the ion of metal can exist with the various chemical valences that they possibly appear.Preferably, the Prochloraz metal salt compound is prochloraz-manganese chloride complex, prochloraz zinc salt or prochloraz nantokite.
Prochloraz metal salt compound of the present invention is preferably the salt compounds of metal ion manganese, for example formula II) shown in N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-manganese chloride, i.e. Prochloraz manganese chloride salt.
The english common name of dimethomorph is Vinclozolin, chemical name be 4-[3-(4-chlorphenyl)-3-(3.4 2 basic oxygen base phenyl) acryloyl morpholine, its structural formula are as shown in the formula (III):
Particularly; The invention provides a kind of bactericidal composition; Said composition comprises active ingredient dimethomorph and Prochloraz or its agriculture acceptable salt compounds with synergistic effect, and wherein the combination of dimethomorph and Prochloraz class exists with the ratio of synergy effective dose.
In the above-mentioned composition, the weight ratio of dimethomorph and Prochloraz class is 1: 0.05～50, be preferably 1: 0.05～and 30, more preferably 1: 0.05～20.
Above-mentioned composition also comprises carrier, surfactant or auxiliary agent, and wherein carrier, surfactant and auxiliary agent are the used conventional products of pesticide field.
Preferably, the quality of active ingredient accounts for 5～94% of composition total weight in the above-mentioned composition.
Above-mentioned composition of the present invention can only comprise active ingredient; Also can be mixed together use with additive; Therefore composition of the present invention can be prepared into various formulations, for example missible oil, aqueous emulsion, microemulsion, wetting powder, soluble powder, pulvis or granule.According to the character of these compositions and use composition the purpose and the ambient conditions that will reach, can select with composition with spraying, atomizing, dust, broadcast sowing or sprinkle the method for watering etc. and so on and use.
Above-mentioned solid carrier, but as be used for pulvis and dispersant, normally natural minerals filler, for example talcum, kaolin, montmorillonite or atlapulgite.For the physical property of management group compound, also can add polymolecularity silicic acid or polymolecularity adsorpting polymerization thing carrier, for example granular absorption carrier or non-absorption carrier, suitable granular absorption carrier is a porous type, like float stone, bentonite or bentonite; Suitable non-absorption carrier such as calcite or sand.In addition, can use the granular material of being prefabricated into of a large amount of inorganic in nature or organic character as carrier, particularly dolomite.
According to the chemical property of the active ingredient in the composition of the present invention, suitable surfactant is alkali metal salt, alkali salt or the amine salt of lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, dibutyl naphthalene sulfonic acids, alkylaryl sulfonates, alkyl sulfate; Alkylsulfonate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether; The condensation product that also has sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylation isooctylphenol; Octyl phenol, nonyl phenol, alkylaryl polyglycol ether; Tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol; Ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene; Lauric acid polyglycol ether acetal, sorbitol ester, the mixing of one or more in lignin sulfite waste liquor or the methylcellulose.
Composition of the present invention can be prepared into wetting powder, water dispersible granules or suspending agent.According to the character that these compositions had, can according to reach purpose and residing environmental selection such as spraying, atomizing, broadcast sowing, sprinkle the application process water etc. and so on.
Composition of the present invention can be prepared into solid form, can be prepared into water dispersible granules (its content of effective generally accounts for the 30-85% of gross weight), also can be prepared into wetting powder usually.The preparation process of wetting powder is:
The wetting agent that the active component of 3～94 weight portions is added 0～7 weight portion; The dispersant of 3～10 weight portions; One or more other the additive that adds 0～10 weight portion if desired again; Like colouring agent, bleeding agent, adhesive or anti-caking agent etc., all the other are carrier, are prepared into the gross weight umber and are 100 parts wetting powder.
Composition of the present invention can be prepared into liquid form, can be processed into suspending agent, and suspending agent prepares through following method:
The surfactant that the active ingredient of 4～65 weight portions is added 0.5～45 weight portion; 0～10 weight portion proper additive; One or more in dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent, bleeding agent and the adhesive for example; All the other are carrier, and carrier can be water or organic liquid, are prepared into the gross weight umber and are the suspending agent of the sedimental stable flow-like of 100 parts do not form.
Above-mentioned composition of the present invention has the purposes of control rice blast, and the amount of application of active ingredient is 50～600 gram/hectares in control rice blast, is preferably 70～550 gram/hectares.
Two kinds of active ingredients show as synergistic effect in the composition of the present invention, and the specific activity of said composition is used the activity expection summation of single compound, and the independent activity of single compound is more remarkable.Synergistic effect shows as and allows that amount of application reduces, wideer antifungal control spectrum, instant effect, more lasting control efficiency, through only once or minority use better control rice blast fungus several times.
Other characteristics of bactericidal composition of the present invention mainly show as:
1, composition lasting effect of the present invention is long, in the initial stage dispenser of paddy rice cut once, can effectively control the generation of paddy rice panicle blast, has reduced the medication number of times and has practiced thrift labour costs;
2, since medication period of panicle blast usually in the cut phase; Use the quality that other conventional dose (like tricyclazole) can directly have influence on paddy rice this period, comprise the mouthfeel, exterior quality of rice etc., and composition of the present invention is because its dosage is few; Utilization rate of active components is high; Residual little, reduced influence to greatest extent to rice quality, meet the needs of pollution-free rice plantation.
3, mechanism of action is unique, and synergistic effect is remarkable.Do not have the cross resistance problem between dimethomorph and the Prochloraz, have higher synergistic effect, and the mechanism of action between two components is different, has improved the control efficiency to rice blast through the composite bactericide that forms of the present invention.
Embodiment
Following embodiment does further explanation and explanation to technical scheme of the present invention, and unrestricted protection scope of the present invention.
One, formulation prepares embodiment
Embodiment 1, water dispersible granules (total weight parts of preparation is 100 parts)
Prochloraz nantokite 30.0 weight portions
Dimethomorph 3.0 weight portions
Polyvinyl alcohol 5.0 weight portions
Sodium Laurylsulfate 7.0 weight portions
Lignosulfonates 11.0 weight portions
The kaolin surplus
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, promptly get said preparation after the drying.Wherein prochloraz nantokite is N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-copper chloride.
Embodiment 2, water dispersible granules (total weight parts of preparation is 100 parts)
Prochloraz nantokite 8.0 weight portions
Dimethomorph 67.0 weight portions
Methylcellulose 4.0 weight portions
Saponin 5.0 weight portions
Polyvinyl alcohol 2.0 weight portions
The kaolin surplus
Above-mentioned raw materials ground in water make required particle diameter, adjust its concentration and viscosity, obtain spraying and use slurry, slurry is quantitatively sent to carried out atomized drying in the drying tower then, obtain this product.The dilution emulsifying liquid of any concentration that this concentrate of dilute with water can obtain using in the plant protection.Wherein prochloraz nantokite is N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-copper chloride.
Embodiment 3, wetting powder (total weight parts of preparation is 100 parts)
Prochloraz-manganese chloride complex 36.0 weight portions
Dimethomorph 2.0 weight portions
Alkyl polyoxy ethyl ether sulfonate 5.0 weight portions
Sodium lignin sulfonate 4.0 weight portions
NONIN HS 240 (8-9 moles of ethylene oxide) 3.0 weight portions
The kaolin surplus
Active ingredient is thoroughly mixed with auxiliary agent, and it is thoroughly ground in suitable mill, and the wetting powder dilutable water one-tenth that obtains needs the suspension of concentration.Wherein prochloraz-manganese chloride complex is N-propyl group-N-2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-manganese chloride.
Embodiment 4, suspending agent (total weight parts of preparation is 100 parts)
Prochloraz 19.0 weight portions
Dimethomorph 11.0 weight portions
Propane diols 3.0 weight portions
Lignosulfonates 10.0 weight portions
Sodium Polyacrylate 5.0 weight portions
Octyl phenol polyglycol ether (11-14 moles of ethylene oxide) 5.0 weight portions
Water surplus
The active ingredient of grinding is very carefully thoroughly mixed with auxiliary agent, and the suspending agent dilutable water that obtains becomes any suspension that needs concentration.
Two, application implementation example
Application implementation example 1
The agricultural chemicals of embodiment 2,3,4 during the formulation preparation is implemented above utilizing carries out indoor determination of activity to the inhibitory action of Pyricularia oryzae.Growth rate method is adopted in test, earlier each proportioning is made into the series concentration gradient.It is subsequent use to use diameter to fan the air at bacterium colony leading edge place as the aseptic card punch of 0.5cm through the Pyricularia oryzae after secondary divides f to leave cultivation, moves then in pastille PDA plating medium earth pot, places in 25 ± 1 ℃ of incubators to cultivate, and cultivates and measures colony diameter after 8 days.Every processing repetition 6 times.The result that surveys compare with contrast and calculate antibacterial percentage.Calculate each composition and contrast the LC of single agent
50Value is calculated co-toxicity coefficient, has judged whether synergistic effect.Criterion be co-toxicity coefficient significantly greater than 100 for synergy, less than 100 be antagonism, equaling 100 is addition.Concentration and co-toxicity coefficient result such as following table 1 in its virulence regression equation, the inhibition:
Table 1: the composite synergism test of the metal salt compound of dimethomorph and Prochloraz or Prochloraz to rice blast
| Pharmacopoeia | Virulence regression equation | LC 50(mg/kg) | Co-toxicity coefficient |
| Embodiment 2 (75% water dispersible granules) | Y＝1.35624+2.54724X | 0.217527 | 125.5451 |
| Embodiment 3 (38% wetting powder) | Y＝1.24309+0.85341X | 0.075484 | 219.0342 |
| Embodiment 4 (30% suspending agent) | Y＝0.80259+1.98562X | 0.192584 | 147.7341 |
| 4% dimethomorph wetting powder | Y＝2.36541+1.35452X | 0.754320 | |
| 50% prochloraz nantokite wetting powder | Y＝1.62132+0.20254X | 0.983992 |
Can find out that from indoor active interpretation of result all greater than 100, the metal salt compound of dimethomorph and Prochloraz or Prochloraz is composite to show as synergistic effect to embodiment 2,3,4 compositions to the co-toxicity coefficient of rice blast.
Application implementation example 2, field control effectiveness test
The field test results for preparing the preparation control rice blast of embodiment 4 with formulation.6 processing are established in test altogether, and every processing is established and repeated contrast for 4 times, and 85 square metres of every sub-districts are converted water spray in the paddy rice full heading time with mist sprayer.The rice blast disease index is respectively handled in investigation in 7 days, 18 days behind the medicine, and calculates relative control efficiency with the disease index of check plot.Result of the test is found; Behind the medicine 7 days, 18 days; Preventive effect difference with insignificance between 2000 times, 1500 times, 1000 times three concentration of 30% dimethomorph Prochloraz suspending agent dilution; Consider from economic factor, select 2000 times of sprayings best in the practical application, and the control during 2000 times of 30% dimethomorph Prochloraz suspending agent dilutions is significantly higher than the control efficiency of 1500 times of two single dilution agents; Explain dimethomorph and Prochloraz composite have obvious synergistic effect and the lasting period longer, result of the test such as following table 2 and table 3:
Table 2: 7 days field demonstration tests behind dimethomorph and the Prochloraz compound medicine to rice blast
Annotate: data are 4 repetition mean values in the table.
Table 3: 18 days field demonstration tests behind dimethomorph and the Prochloraz compound medicine to rice blast
Annotate: data are 4 repetition mean values in the table.
Application implementation example 3, greenhouse pot culture test
Trial crops is cultured to 2-3 leaf phase seedling in the greenhouse, by design concentration to the seedling leaves processing of spraying, inoculation test pathogen after 24 hours after the chemicals treatment.With the seedling cultivation of under 25 ± 1 ℃, preserving moisture,, the blank of not dispenser carries out result's investigation after fully falling ill then.Disease classification, control efficiency computational methods are all undertaken by State Standard of the People's Republic of China's " pesticide field efficacy medicine test criterion ".Result of the test shows: use composition of the present invention, its control efficiency is used separately with respect to two components has tangible synergistic effect.Result of the test is seen table 4 and table 5.
Table 4:30% aqueous emulsion control gray mold of cucumber result of the test
Table 5:28% missible oil control graw mold of tomato result of the test
The quality percentage composition of dimethomorph and Prochloraz class is respectively 30% and 28% in 30% aqueous emulsion in above-mentioned table 4 and the table 5 and 28% missible oil, and its aqueous emulsion and missible oil are to prepare according to routine techniques.
Claims (4)
1. a water dispersible granules is characterized in that comprising active ingredient dimethomorph and prochloraz nantokite with synergistic effect, and wherein in 100 parts of gross weights, each component and content thereof are in the said water dispersible granules:
Prochloraz nantokite 30.0 weight portions,
Dimethomorph 3.0 weight portions,
Polyvinyl alcohol 5.0 weight portions,
Sodium Laurylsulfate 7.0 weight portions,
Lignosulfonates 11.0 weight portions,
The kaolin surplus;
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, promptly get said preparation after the drying; Wherein prochloraz nantokite is N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-copper chloride.
2. the described water dispersible granules of claim 1 is in the purposes of control in the rice blast.
3. with the method for the described water dispersible granules control of claim 1 rice blast, the amount of application that it is characterized in that active ingredient is 50～600 gram/hectares.
4. method as claimed in claim 3, the amount of application that it is characterized in that active ingredient is 70～550 gram/hectares.
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