CN105685032A - Synergism sterilizing composition containing fenhexamid - Google Patents

Synergism sterilizing composition containing fenhexamid Download PDF

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Publication number
CN105685032A
CN105685032A CN201610087412.2A CN201610087412A CN105685032A CN 105685032 A CN105685032 A CN 105685032A CN 201610087412 A CN201610087412 A CN 201610087412A CN 105685032 A CN105685032 A CN 105685032A
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Prior art keywords
fenhexamid
polyoxin
captan
dithianon
prepare
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CN201610087412.2A
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Chinese (zh)
Inventor
张伟
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Shaanxi Welch Crop Protection Co Ltd
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Shaanxi Welch Crop Protection Co Ltd
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Priority to CN201610087412.2A priority Critical patent/CN105685032A/en
Priority claimed from CN201210070885.3A external-priority patent/CN103300041B/en
Publication of CN105685032A publication Critical patent/CN105685032A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • A01N37/24—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides containing at least one oxygen or sulfur atom being directly attached to the same aromatic ring system
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof

Abstract

The invention discloses a synergism sterilizing composition containing fenhexamid.The synergism sterilizing composition comprises active constituent A and an active constituent B, wherein the active constituent A is fenhexamid, the active constituent B is optional one of captan, dithianon, polyoxin and iprodione, and the weight ratio of the active constituent A to the active constituent B is 60:1-1:60.The synergism sterilizing composition can control various crop diseases, has an evident synergism effect, can expand insecticidal spectrum, reduces insecticide use amount, lowers insecticide residues on the crops, and relieves environment pollution.

Description

A kind of Synergistic bactericidal composition containing fenhexamid
The application is divisional application, and original application is the patent application " a kind of Synergistic bactericidal composition containing fenhexamid " of Shaanxi Welch Crop Protection Co., Ltd., and the application number of original application is 201210070885.3, and original application day is 2012.03.07。
Technical field
The invention belongs to technical field of pesticide, relate to the application in crop pest of a kind of Synergistic bactericidal composition containing fenhexamid。
Background technology
Fenhexamid, relative molecular mass: 302.2, molecular formula: C14H17Cl2NO2。
Fenhexamid is a kind of acid amide fungicides, seed treatment, and nursery box inorganic agent belongs to interior suction, protective fungicide。Different from existing antibacterial, without bactericidal activity, do not suppress the growth of pathogen mycelia。
Captan (captan) molecular formula: C9H8Cl3NO2S, chemical name: 3a, 4,7,7a-tetrahydrochysene-2-(trichloromethyl sulfur)-1H iso-indoles-1,3-(2H)-diketone, captan is broad spectrum activity low toxicity antibacterial, based on protective effect, has certain therapeutical effect concurrently。Industrial goods are yellowish-brown, slightly stink。At neutral or stable under acidic conditions, facile hydrolysis under high temperature and alkali condition。To people and animals' low toxicity, application on human skin is irritant, Fish are poisonous。
Polyoxin (polyoxin) molecular formula: C17H25N5O14, polyoxin belongs to broad-spectrum antibiotics series bactericidal agent。It has absorption in preferably, the biosynthesis of interference somatic cells wall, moreover it is possible to suppress pathogenic bacteria to produce spore and scab expands。
Dithianon (dithianon) molecular formula: C14H4N2O2S2, chemical name: 2,3-dinitriles-Isosorbide-5-Nitrae-anthraquinone dithio, there is multiaction mechanism。By react with sulfur-containing group and interference cell breathe and suppress a series of fungal enzyme, finally result in disease death。While tool well protection activity, also having certain therapeutic activity, low toxicity, to bio-safeties such as people and animals, Apis, fishes。Although to most of fruit tree safety under recommended dose, but some apple tree kind there is poisoning。
But, in the real process of agricultural production, controlling disease is easiest to generate the problem that the drug-fast generation of pathogenic bacteria。Different cultivars composition carries out composite, is prevent and treat the method that resistance pathogenic bacteria is very common。Heterogeneity carries out composite, according to practical application effect, judge certain composite be potentiation, add and or antagonism。In most cases, the composite effect of pesticide is all additive effect, really have potentiation composite seldom, especially potentiation clearly, significantly high composite just less of potentiation ratio。Study through inventor, find after fenhexamid and captan, dithianon, polyoxin, iprodione, to produce good potentiation, and about fenhexamid and captan, dithianon, polyoxin, iprodione relevant report not yet open。
Summary of the invention
A kind of Synergistic bactericidal composition containing fenhexamid, including effective active component, auxiliary agent and filler, it is characterized in that: active component A, B weight ratio are 60:1～1:60, described active component A is selected from fenhexamid, active component B one in captan, dithianon, polyoxin, RP-26019。
Described bactericidal composition, it is characterised in that: the weight ratio of two kinds of active components of A, B is 40:1～1:40。
Described bactericidal composition, it is characterised in that: the weight ratio of fenhexamid and captan is 10:1～1:30。
Described bactericidal composition, it is characterised in that: the weight ratio of fenhexamid and dithianon is 10:1～1:10。
Described bactericidal composition, it is characterised in that: the weight ratio of fenhexamid and polyoxin is 20:1～1:10。
Described bactericidal composition, it is characterised in that: the weight ratio of fenhexamid and RP-26019 is 10:1～1:20。
The weight ratio of two kinds of active components of A, B is 60:1～1:60。In usual compositions activity weight percentage is gross weight 0.5～90%, it is advantageous to be 5%～85%。According to different preparation types, active component content scope is different。Generally, liquid preparation contains 1～70% active substance by weight, it is preferred that be 5～50%；Solid preparation contains the active substance of by weight 5～85%, it is preferred that be 10～80%。
The bactericidal composition of the present invention at least contains a kind of surfactant, active component dispersion in water when being beneficial to use。Surface-active contents is the 5～30% of total formulation weight amount, and surplus is solid or liquid diluent。
Surfactant selected by the bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, binding agent or defoamer。According to different dosage form, preparation can also contain disintegrating agent known in those skilled in the art, antifreeze etc.。
The compositions of the present invention can by user before use through diluting or directly using。Its preparation can be prepared by common processing method, after mixing with liquid flux or solid carrier by active substance, adds one or more in surfactant such as dispersant, stabilizer, wetting agent, binding agent, defoamer etc.。
The bactericidal composition of the present invention, it is possible to be processed on any pesticide acceptable dosage form on demand。Wherein preferred dosage form is wettable powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent。
Compositions comprises following constituent content when making wettable powder: fenhexamid 0.1%～60%, active component B0.1%～60%, dispersant 5%～10%, wetting agent 2%～10%, filler surplus。
Compositions includes following constituent content when making water dispersible granules: fenhexamid 0.1%～60%, active component B0.1%～60%, dispersant 3%～12%, wetting agent 1%～8%, disintegrating agent 1%～10%, binding agent 1%～8%, filler surplus。
Compositions includes following constituent content when making suspending agent: active component fenhexamid 0.1%～50%, active component B0.1%～50%, dispersant 2%～10%, wetting agent 2%～10%, defoamer 0.1%～1%, binding agent 0.1%～2%, antifreeze 0.1%～8%, deionized water add to 100%。
Compositions includes following constituent content when making suspension emulsion: fenhexamid 0.1%～50%, effective active composition B0.1%～50%, emulsifying agent 2%～12%, dispersant 2%～10%, defoamer 0.1%～2%, thickening agent 0.05%～2%, antifreeze 0%～8%, stabilizer 0.05%～3%, water add to 100%。
Compositions includes following constituent content when making aqueous emulsion: fenhexamid 0.1%～50%, active component B0.1%～50%, solvent 0%～30%, emulsifying agent 1%～15%, dispersant 2%～10%, co-emulsifier 0.2%～5%, antifreeze 0%～8%, defoamer 0.1%～2%, thickening agent 0.05%～2%, deionized water adds to 100%。
Compositions includes following constituent content when making microemulsion: fenhexamid 0.1%～50%, active component B0.1%～50%, emulsifying agent 5%～15%, solvent 2%～10%, antifreeze 0%～8%, stabilizer 0.5%～3%, deionized water adds to 100%。
Compositions includes following component and content when making microcapsule suspending agent: active components A 1%～50%, active component B1%～50%, macromolecule cyst material 1%～10%, dispersant 2%～10%, solvent 1%～10%, emulsifying agent 1%～7%, pH adjusting agent 0.1%～5%, defoamer 0.1%～2%, deionized water add to 100%。
Compositions includes following component and content when making microcapsule suspension-suspendinagent agent: active components A 1%～50%, active component B1%～50%, macromolecule cyst material 1%～12%, surfactant 2%～15%, solvent 1%～15%, emulsifying agent 1%～8%, defoamer 0.1%～2%, thickening agent 0.05%～2%, pH adjusting agent 0.1%～5%, deionized water add to 100%。
The wettable powder the key technical indexes of the present invention:
The water dispersible granules the key technical indexes of the present invention:
The suspending agent the key technical indexes of the present invention:
The suspension emulsion the key technical indexes of the present invention:
The microemulsion the key technical indexes of the present invention:
The aqueous emulsion the key technical indexes of the present invention:
The microcapsule suspending agent the key technical indexes of the present invention:
The microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
It is an advantage of the current invention that: (1) fenhexamid and active component B composite after, have and substantially continue potentiation；(2) fungicidal spectrum is expanded, to rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, the disease such as scab, Glomerella cingulata, apple scab all has greater activity；(3) decreasing the dosage of pesticide, reduce pesticide residual quantity on crop, degraded quickly, alleviates environmental pollution。
Detailed description of the invention
Below in conjunction with embodiment to further instruction of the present invention, the percentage ratio in embodiment is all weight percentage, but the invention is not limited in this。
The embodiment of the present invention is the method adopting Toxicity Determination and field test to combine。
Application Example one
Example 180% fenhexamid captan wettable powder
Fenhexamid 20%, captan 60%, lignosulfonates 5%, spaonin powder 5%, kieselguhr add to 100%, and mixture carries out comminution by gas stream, prepare 80% fenhexamid captan wettable powder。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 261% fenhexamid captan wettable powder
Fenhexamid 1%, captan 60%, alkylnaphthalene sulfonate 6%, sodium lauryl sulphate 4%, bentonite add to 100%, and mixture carries out comminution by gas stream, prepare 61% fenhexamid captan wettable powder。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 360% fenhexamid captan water dispersible granule
Fenhexamid 15%, captan 45%, ester polyoxyethylene are phonetic 9%, wetting and penetrating agent F5%, aluminum chloride 2.5%, attapulgite add to 100%, and mixing prepares 60% fenhexamid captan water dispersible granule。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 445% fenhexamid captan water dispersible granule
Fenhexamid 15%, captan 30%, polycarboxylate 6%, open powder BX4%, carbamide adds to 100%, mixing prepare 45% fenhexamid captan water dispersible granule。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 520% fenhexamid captan suspending agent
Fenhexamid 5%, captan 15%, aliphatic amine polyoxyethylene are phonetic 5%, tea seed cake 4%, Magnesiumaluminumsilicate 0.05%, capric acid 0.1%, glycerol 0.5%, water add to 100%, and mixing prepares 20% fenhexamid captan suspending agent。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 630% fenhexamid captan suspending agent
Fenhexamid 10%, captan 20%, lignosulfonates 8%, spaonin powder 4%, C8～10Aliphatic alcohols 0.3%, xanthan gum 0.8%, ethylene glycol 1.2%, deionized water add to 100%, and mixing prepares 30% fenhexamid captan suspending agent。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 720.5% fenhexamid captan suspension emulsion
Fenhexamid 0.5%, captan 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 7%, sodium laurylsulfate 4%, arabic gum 1.1%, propylene glycol 0.8%, capric acid 0.4%, castor oil polyoxyethylene ether 6%, water add to 100%, and mixing prepares 20.5% fenhexamid captan suspension emulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 825% fenhexamid captan suspension emulsion
Fenhexamid 5%, captan 20%, lignosulfonates 7%, Fructus Sapindi Mukouossi powder 6%, hydroxyethyl cellulose 0.9%, glycerol 3%, C8～10Aliphatic alcohols 0.3%, NPE 6%, water add to 100%, are mixed by aforementioned formula material, and mixing prepares 25% fenhexamid captan suspension emulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 940% fenhexamid captan microemulsion
Fenhexamid 20%, captan 20%, dimethylbenzene 6%, alkyl biphenyl ether disulfonic acid magnesium salt 7%, glycerol 0.5%, silicone 0.2%, deionized water adds to 100%, blended prepared 40% fenhexamid captan microemulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1018% fenhexamid captan microemulsion
Fenhexamid 6%, captan 12%, toluene 6%, Magnesiumaluminumsilicate 0.15%, sodium acrylate 0.9%, fatty alcohol-polyoxyethylene ether 7%, silicone 0.1%, deionized water adds to 100%, blended prepared 18% fenhexamid captan microemulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1125% fenhexamid captan aqueous emulsion
Fenhexamid 5%, captan 20%, N, dinethylformamide 6%, toluene 3%, alkyl biphenyl ether disulfonic acid magnesium salt 6%, diethylene glycol 0.12%, silicone compound 0.3%, deionized water adds to 100%, blended prepared 25% fenhexamid captan aqueous emulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1230% fenhexamid captan aqueous emulsion
Fenhexamid 25%, captan 5%, N-ketopyrrolidine 5%, Ketohexamethylene 6%, sorbitan fatty acid ester polyoxyethylene 6%, sodium alginate 0.1%, silicone 0.2%, deionized water adds to 100%, blended prepared 30% fenhexamid captan aqueous emulsion。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1321% fenhexamid captan microcapsule suspending agent
Fenhexamid 20%, captan 1%, sodium alginate 7.5%, polyoxyethylene carboxylate 5%, vegetable oil 7%, sorbitan fatty acid ester polyoxyethylene ether 5%, hydrochloric acid 0.7%, sodium hydroxide 0.8%, silicone 0.4%, deionized water add to 100%, and mixing prepares 21% fenhexamid captan microcapsule suspending agent。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1430% fenhexamid captan microcapsule suspension-suspendinagent agent
Fenhexamid 10%, captan 20%, Fructus Sapindi Mukouossi powder 8%, lignosulfonates 8%, polyisocyanate 7%, polyvinyl alcohol 0.15%, N-ketopyrrolidine 6%, phenethyl phenol polyoxyethanyl polypropylene-base ether 8%, silicone 0.2%, citric acid 2.5%, sodium hydroxide 1.2%, deionized water add to 100%, and mixing prepares 30% fenhexamid captan microcapsule suspension-suspendinagent agent。
Captan is changed to dithianon, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1561% fenhexamid dithianon wettable powder
Fenhexamid 1%, dithianon 60%, alkylnaphthalene sulfonate 8%, spaonin powder 5%, bentonite add to 100%, and mixture carries out comminution by gas stream, prepare 61% fenhexamid dithianon wettable powder。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1680% fenhexamid dithianon wettable powder
Fenhexamid 40%, dithianon 40%, alkylphenol-polyethenoxy are phonetic 8%, sodium laurylsulfate 7%, white carbon add to 100%, and mixture carries out comminution by gas stream, prepare 80% fenhexamid dithianon wettable powder。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1775% fenhexamid dithianon water-dispersion granule
Fenhexamid 25%, dithianon 50%, naphthalenesulfonate formaldehyde condensation compound 7%, tea seed cake 6%, Kaolin add to 100%, and mixing prepares 75% fenhexamid dithianon water-dispersion granule。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1850% fenhexamid dithianon water-dispersion granule
Fenhexamid 25%, dithianon 25%, lignosulfonates 6%, spaonin powder 5%, ammonium sulfate 2.5%, precipitated calcium carbonate add to 100%, and mixing prepares 50% fenhexamid dithianon water-dispersion granule。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 1930% fenhexamid dithianon suspending agent
Fenhexamid 20%, dithianon 10%, ester polyoxyethylene are phonetic 6%, Fructus Sapindi Mukouossi powder 4%, sodium tripolyphosphate 0.1%, C8～10Aliphatic alcohols 0.3%, glycerol 0.5%, water add to 100%, and mixing prepares 30% fenhexamid dithianon suspending agent。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2045% fenhexamid dithianon suspending agent
Fenhexamid 20%, dithianon 25%, naphthalene sulfonic acid-formaldehyde condensation product 8%, sodium laurylsulfate 6%, silicone oil 0.3%, hydroxyethyl cellulose 0.1%, glycerol 2%, deionized water add to 100%, and mixing prepares 45% fenhexamid dithianon suspending agent。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2122% fenhexamid dithianon suspension emulsion
Fenhexamid 20%, dithianon 2%, alkylphenol-polyethenoxy are phonetic 7%, spaonin powder 5%, castor oil polyoxyethylene ether 7%, methylcellulose 0.08%, diethylene glycol 0.5%, silicone compound 0.2%, water add to 100%, aforementioned formula material is mixed, namely prepares 22% fenhexamid dithianon suspension emulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2235% fenhexamid dithianon suspension emulsion
Fenhexamid 20%, dithianon 15%, alkylaryl polyoxyethylene ether 7%, Bombyx mori L. 5%, arabic gum 0.05%, Polyethylene Glycol 0.1%, alkyl benzene calcium sulfonate 5%, water add to 100%, aforementioned formula material is mixed, namely prepares 35% fenhexamid dithianon suspension emulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2320% fenhexamid dithianon microemulsion
Fenhexamid 10%, dithianon 10%, toluene 5%, 3-methyl cyclohexanol ketenes 6%, thermally coupled distillation columns 7%, Polyethylene Glycol 0.6%, silicone compound 0.1%, deionized water supplies 100%, and mixing prepares 20% fenhexamid dithianon microemulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2421% fenhexamid dithianon microemulsion
Fenhexamid 20%, dithianon 1%, N-ketopyrrolidine 7%, castor oil polyoxyethylene ether 5%, ethylene glycol 0.8%, C8～10Aliphatic alcohols 0.2%, deionized water adds to 100%, prepares 21% fenhexamid dithianon microemulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2540% fenhexamid dithianon aqueous emulsion
Fenhexamid 20%, dithianon 20%, acetone 6%, propylene glycol 0.6%, phenyl phenol polyoxyethyl ether 7%, silicone 0.3%, deionized water adds to 100%, prepares 40% fenhexamid dithianon aqueous emulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2641% fenhexamid dithianon aqueous emulsion
Fenhexamid 40%, dithianon 1%, N, dinethylformamide 8%, propanol 7%, arabic gum 0.1%, glycerol 0.5%, alkylaryl polyoxyethylene polyoxypropylene ether 6%, silicone oil 0.2%, deionized water supplies 100%, prepares 41% fenhexamid dithianon aqueous emulsion。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2730.5% fenhexamid dithianon microcapsule suspending agent
Fenhexamid 30%, dithianon 0.5%, alkylphenol-polyethenoxy are phonetic 6%, polyfunctional group acyl halide polyamines 4.5%, butyl ether 8%, alkylaryl polyoxyethylene poly-oxygen propylene aether 6%, sodium hydroxide 0.6%, citric acid 1.3%, organosilicon 0.5%, deionized water add to 100%, and mixing prepares 30.5% fenhexamid dithianon microcapsule suspending agent。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2815% fenhexamid dithianon microcapsule suspension-suspendinagent agent
Fenhexamid 5%, dithianon 10%, alkylaryl polyoxyethylene ether 6%, tea seed cake 5%, formaldehyde 8%, hydroxymethyl cellulose 0.1%, propanol 7%, phenethyl fluosite polyoxyethyl ether 5.5%, organosilicon 0.1%, sodium hydroxide 1.1%, hydrochloric acid 0.9%, deionized water add to 100%, and mixing prepares 15% fenhexamid dithianon microcapsule suspension-suspendinagent agent。
Dithianon is changed to captan, polyoxin, RP-26019 and can prepare said preparation equally。
Example 2930% fenhexamid Wettable polyoxin powder
Phonetic 6%, ten tea seed cake 5% of fenhexamid 20%, polyoxin 10%, ester polyoxyethylene, white carbon add to 100%, and mixture carries out comminution by gas stream, prepare 30% fenhexamid Wettable polyoxin powder。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3055% fenhexamid Wettable polyoxin powder
Fenhexamid 50%, polyoxin 5%, lignosulfonates 6%, Nekal BX 6%, kieselguhr add to 100%, and mixture carries out comminution by gas stream, prepare 55% fenhexamid Wettable polyoxin powder。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3140% fenhexamid polyoxin water dispersible granules
Fenhexamid 30%, polyoxin 10%, ester polyoxyethylene are phonetic 7%, Fructus Sapindi Mukouossi powder 4%, carbamide 1.5%, bentonite add to 100%, and mixing prepares 40% fenhexamid polyoxin water dispersible granules。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3250% fenhexamid polyoxin water dispersible granules
Fenhexamid 40%, polyoxin 10%, alkylaryl polyoxyethylene ether 7%, tea seed cake 6%, Kaolin add to 100%, and mixing prepares 50% fenhexamid polyoxin water dispersible granules。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3345% fenhexamid polyoxin suspending agent
Fenhexamid 30%, polyoxin 15%, polycarboxylate 6%, sodium laurylsulfate 5%, C8～10Aliphatic alcohols 0.2%, crospolyvinylpyrrolidone 0.1%, glycerol 1.0%, deionized water add to 100%, and mixing prepares 45% fenhexamid polyoxin suspending agent。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3435% fenhexamid polyoxin suspending agent
Fenhexamid 30%, polyoxin 5%, polycarboxylate 5%, spaonin powder 5%, silicone oil 0.1%, arabic gum 0.1%, glycerol 0.5%, deionized water adds to 100%, and mixing prepares 35% fenhexamid polyoxin suspending agent。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3540% fenhexamid polyoxin suspension emulsion
Fenhexamid 30%, polyoxin 10%, alkyl benzene sulfonate calcium salt 6%, Fructus Sapindi Mukouossi powder 6%, C8～10Aliphatic alcohols 0.2%, glycerol 1.2%, polyvinylpyrrolidone 0.05%, phenyl phenol polyoxyethyl ether 7%, water adds to 100%, and mixing prepares 40% fenhexamid polyoxin suspension emulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3630% fenhexamid polyoxin suspension emulsion
Fenhexamid 20%, polyoxin 10%, ester polyoxyethylene phonetic 6%, spaonin powder 5%, polyvinyl alcohol 1.5%, Polyethylene Glycol 0.12%, silicone compound 0.5%, alkyl benzene calcium sulfonate 8%, water add to 100%, and mixing prepares 30% fenhexamid polyoxin suspension emulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3720% fenhexamid polyoxin microemulsion
Fenhexamid 18%, polyoxin 2%, toluene 7%, methanol 6%, phenyl phenol polyoxyethyl ether 7%, glycerol 0.8%, arabic gum 0.1%, C8～10Aliphatic alcohols 0.3%, deionized water adds to 100%, and mixing prepares 20% fenhexamid polyoxin microemulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3818% fenhexamid polyoxin microemulsion
Fenhexamid 12%, polyoxin 6%, N, dinethylformamide 8%, toluene 5%, arabic gum 0.15%, phenethyl phenol polyoxyethanyl polypropylene-base ether 6%, ethylene glycol 2.2%, silicone compound 0.1%, deionized water supplies 100%, prepares 18% fenhexamid polyoxin microemulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 3920% fenhexamid polyoxin aqueous emulsion
Fenhexamid 10%, polyoxin 10%, acetonitrile 7%, toluene 6%, thermally coupled distillation columns 7%, glycerol 2%, sodium alginate 0.8%, silicone oil 0.3%, deionized water supplies 100%, prepares 20% fenhexamid polyoxin aqueous emulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 4030% fenhexamid polyoxin aqueous emulsion
Fenhexamid 24%, polyoxin 6%, Ketohexamethylene 4%, ethyl acetate 7%, ethylene oxide-propylene oxide block copolymer 7%, diethylene glycol 1.2%, Magnesiumaluminumsilicate 0.2%, silicone 0.2%, deionized water adds to 100%, prepares 30% fenhexamid polyoxin aqueous emulsion。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 4112% fenhexamid polyoxin microcapsule suspending agent
Fenhexamid 8%, polyoxin 4%, polyfunctional group acyl halide dihydroxylic alcohols 7%, aliphatic amine polyoxyethylene are phonetic 8%, ethyl acetate 6%, C10～20Saturated fat acids 0.3%, sorbitan monostearate 5%, sorbic acid 0.5%, sodium hydroxide 0.2%, deionized water add to 100%, and mixing prepares 12% fenhexamid polyoxin microcapsule suspending agent。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 4240% fenhexamid polyoxin microcapsule suspension-suspendinagent agent
Fenhexamid 35%, polyoxin 5%, polycarboxylate 8%, Bombyx mori L. 6%, carbamide 9%, Polyethylene Glycol 0.06%, toluene 8%, phenethyl fluosite polyoxyethyl ether 7%, silicone oil 0.12%, hydrochloric acid 2.5%, sodium hydroxide 2.5%, deionized water add to 100%, and mixing prepares 40% fenhexamid polyoxin capsule suspension-suspending agent。
Polyoxin is changed to captan, dithianon, RP-26019 and can prepare said preparation equally。
Example 4375% fenhexamid iprodione wettable powder
Fenhexamid 15%, RP-26019 60%, ester polyoxyethylene are phonetic 6%, tea seed cake 5%, Kaolin add to 100%, and mixture carries out comminution by gas stream, prepare 75% fenhexamid iprodione wettable powder。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4475% fenhexamid iprodione wettable powder
Fenhexamid 25%, RP-26019 50%, lignosulfonates 6%, dodecylbenzene sodium sulfonate 6%, attapulgite add to 100%, and mixture carries out comminution by gas stream, prepare 75% fenhexamid iprodione wettable powder。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4545% fenhexamid iprodione water dispersible granules
Fenhexamid 15%, RP-26019 30%, alkylphenol-polyethenoxy are phonetic 5%, spaonin powder 6%, sodium carbonate 1.5%, Kaolin add to 100%, and mixing prepares 45% fenhexamid iprodione water dispersible granules。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4660% fenhexamid iprodione water dispersible granules
Fenhexamid 15%, RP-26019 45%, lignosulfonates 6%, Fructus Sapindi Mukouossi powder 5%, bentonite add to 100%, and mixing prepares 60% fenhexamid iprodione water dispersible granules。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4741% fenhexamid iprodione suspending agent
Fenhexamid 1%, RP-26019 40%, aliphatic amine polyoxyethylene are phonetic 7%, Bombyx mori L. 5%, silicone oil 0.2%, crospolyvinylpyrrolidone 0.12%, glycerol 1.1%, deionized water add to 100%, and mixing prepares 41% fenhexamid iprodione suspending agent。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4840% fenhexamid iprodione suspending agent
Fenhexamid 10%, RP-26019 30%, octylphenol polyethylene oxyethylene group ether sulfate 4%, spaonin powder 4%, silicone oil 0.1%, arabic gum 0.2%, glycerol 1.5%, deionized water adds to 100%, and mixing prepares 40% fenhexamid iprodione suspending agent。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 4936% fenhexamid RP-26019 suspension emulsion
Fenhexamid 12%, RP-26019 24%, ester polyoxyethylene are phonetic 6%, tea seed cake 7%, C8～10Aliphatic alcohols 0.2%, diethylene glycol 2%, Magnesiumaluminumsilicate 0.12%, alkylaryl polyoxyethylene polyoxypropylene ether 8%, water adds to 100%, and mixing prepares 36% fenhexamid RP-26019 suspension emulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5020% fenhexamid RP-26019 suspension emulsion
Fenhexamid 2%, RP-26019 18%, alkylaryl polyoxyethylene ether 6%, sodium laurylsulfate 5%, hydroxyethyl cellulose 0.17%, propylene glycol 1.4%, silicone compound 0.5%, sorbitan fatty acid ester polyoxyethylene ether 6%, water add to 100%, and mixing prepares 20% fenhexamid RP-26019 suspension emulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5132% fenhexamid RP-26019 microemulsion
Fenhexamid 2%, RP-26019 30%, methanol 6%, acetone 6%, fatty alcohol-polyoxyethylene ether 7%, polyvinylpyrrolidone 2.4%, sodium tripolyphosphate 0.1%, silicone 0.3%, deionized water adds to 100%, and mixing prepares 32% fenhexamid RP-26019 microemulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5241% fenhexamid RP-26019 microemulsion
Fenhexamid 40%, RP-26019 1%, 3-methyl cyclohexanol ketenes 8%, toluene 6%, arabic gum 0.2%, phenyl phenol polyoxyethyl ether 6%, glycerol 2.2%, silicone compound 0.1%, deionized water supplies 100%, prepares 41% fenhexamid RP-26019 microemulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5320% fenhexamid RP-26019 aqueous emulsion
Fenhexamid 10%, RP-26019 10%, acetonitrile 6%, Ketohexamethylene 8%, alkyl biphenyl ether disulfonic acid magnesium salt 7%, glycerol 2.1%, sodium alginate 0.2%, silicone oil 0.3%, deionized water supplies 100%, prepares 20% fenhexamid RP-26019 aqueous emulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5445% fenhexamid RP-26019 aqueous emulsion
Fenhexamid 30%, RP-26019 15%, acetone 5%, toluene 6%, phenyl phenol polyoxyethanyl ether phosphate 7%, propylene glycol 2%, aluminium-magnesium silicate 0.14%, silicone 0.2%, deionized water adds to 100%, prepares 45% fenhexamid RP-26019 aqueous emulsion。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5520% fenhexamid RP-26019 microcapsule suspending agent
Fenhexamid 18%, RP-26019 2%, gelatin 7%, aliphatic amine polyoxyethylene are phonetic 6%, ethyl acetate 6%, C10～20Saturated fat acids 0.3%, sorbitan monostearate 5%, sorbic acid 0.5%, sodium hydroxide 0.2%, deionized water add to 100%, and mixing prepares 20% fenhexamid RP-26019 microcapsule suspending agent。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
Example 5645% fenhexamid RP-26019 microcapsule suspension-suspendinagent agent
Fenhexamid 15%, RP-26019 30%, polyvinyl alcohol 8%, Bombyx mori L. 6%, carbamide 9%, Polyethylene Glycol 0.06%, toluene 5%, phenethyl fluosite polyoxyethyl ether 7%, silicone oil 0.12%, sodium hydroxide 1.9%, hydrochloric acid 2%, deionized water add to 100%, and mixing prepares 45% fenhexamid RP-26019 microcapsule suspension-suspendinagent agent。
RP-26019 is changed to captan, dithianon, polyoxin and can prepare said preparation equally。
The embodiment of the present invention is the method adopting Toxicity Determination and field test to combine。The embodiment of the present invention is the method adopting Toxicity Determination and field test to combine。First pass through Toxicity Determination, potentiation ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is potentiation, on this basis, then carry out field test。
Fenhexamid and active component B (B selected from captan, dithianon, polyoxin, RP-26019 one) composite to crop pest Toxicity Determination。
Determining after the effective inhibition concentration scope of each medicament through prerun, each medicament sets 5 dosage respectively and processes by active constituent content, if clear water comparison。Carry out with reference to " farm-chemical indoor determination test rule antibacterial ", adopt mycelial growth rate method to measure the medicament virulence to crop pathogenic bacteria。Measure colony diameter by decussation method after 72h, calculate each process net growth, mycelial growth inhibition rate。
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (μ g/mL) converts logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least square, and thus calculate the EC of every kind of medicament50Value。Calculating two medicaments different ratio synergy ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is potentiation。Computing formula is as follows:
Wherein: the ratio that a, b respectively active component fenhexamid and active component B (captan, dithianon, polyoxin) are shared in combination；
A is fenhexamid；
B is the one in captan, dithianon, polyoxin, RP-26019。
Implementation of an application example two
Fenhexamid is composite to graw mold of tomato Toxicity Determination with captan。
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd.。
EXPERIMENTAL DESIGN: determine effective inhibition concentration scope of the former medicine of fenhexamid, captan and the two different ratio mixture through pilot study。
Toxicity test result
Table 1 fenhexamid, captan and the composite toxicity test analysis of results table to graw mold of tomato thereof
As shown in Table 1, fenhexamid, the captan EC to graw mold of tomato50Respectively 1.21mg/L and 2.52mg/L。Fenhexamid and captan proportioning are when 60:1 to 1:60, potentiation ratio SR is all higher than 1.5, illustrate that fenhexamid and captan mixture in 60 1 to 1 60 scopes all show potentiation, especially when the proportioning of the two is when 5:1 to 1:10, potentiation becomes apparent from highlighting, wherein when fenhexamid and captan weight ratio are 13, potentiation ratio SR is maximum, potentiation is the most obvious, test finds, when the proportioning of fenhexamid and captan is at 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, to rice blast during 1:10, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, scab, Glomerella cingulata, apple scab, potentiation is obvious, potentiation ratio is all higher than 1.5。
Implementation of an application example three
Fenhexamid is composite to cucumber downy mildew Toxicity Determination with dithianon。
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd.。
EXPERIMENTAL DESIGN: determine effective inhibition concentration scope of the former medicine of fenhexamid, dithianon and the two different ratio mixture through pilot study。
Toxicity test result
Table 2 fenhexamid, dithianon and the composite toxicity test analysis of results table to cucumber downy mildew thereof
As shown in Table 2, fenhexamid, the dithianon EC to cucumber downy mildew50Respectively 1.35mg/L and 1.32mg/L。Fenhexamid and dithianon proportioning are when 60:1 to 1:60, potentiation ratio SR is all higher than 1.5, illustrate that fenhexamid and dithianon mixture in 60 1 to 1 60 scopes all show potentiation, especially when the proportioning of the two is when 10:1 to 1:10, potentiation becomes apparent from highlighting, wherein when fenhexamid and dithianon weight ratio are 11, potentiation ratio SR is maximum, potentiation is the most obvious, test finds, when the proportioning of fenhexamid and dithianon is at 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, to rice blast during 1:10, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, scab, Glomerella cingulata, apple scab, potentiation is obvious, potentiation ratio is all higher than 1.5。
Implementation of an application example four:
Fenhexamid is composite to rice blast Toxicity Determination with polyoxin。
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd.。
EXPERIMENTAL DESIGN: determine effective inhibition concentration scope of the former medicine of fenhexamid, polyoxin and the two different ratio mixture through pilot study。
Toxicity test result
Table 3 fenhexamid, polyoxin and the composite toxicity test analysis of results table to rice blast thereof
As shown in Table 3, fenhexamid, the polyoxin EC to rice blast50Respectively 1.52mg/L and 1.39mg/L。Fenhexamid and polyoxin ratio are when 60:1 to 1:60, potentiation ratio SR is all higher than 1.5, illustrate that fenhexamid and polyoxin mixture in 60 1 to 1 60 scopes all show potentiation, especially when the proportioning of the two is when 20:1 to 1:10, potentiation becomes apparent from highlighting, and wherein when fenhexamid and polyoxin weight ratio are 21, potentiation ratio SR is maximum, and potentiation is the most obvious, test finds, when the proportioning of fenhexamid and polyoxin is at 15:1, 14:1, 13:1, 12:1, 11:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, to rice blast during 1:10, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, scab, Glomerella cingulata, apple scab, potentiation is obvious, and potentiation ratio is all higher than 1.5。
Implementation of an application example five:
Fenhexamid and iprodione are to sclerotinia rot of colza Toxicity Determination。
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd.。
EXPERIMENTAL DESIGN: determine effective inhibition concentration scope of the former medicine of fenhexamid, RP-26019 and the two different ratio mixture through pilot study。
Toxicity test result
Table 4 fenhexamid, RP-26019 and the composite toxicity test analysis of results table to sclerotinia rot of colza thereof
As shown in Table 4, fenhexamid, the RP-26019 EC to sclerotinia rot of colza50Respectively 1.55mg/L and 0.75mg/L。Fenhexamid and RP-26019 ratio are when 60:1 to 1:60, potentiation ratio SR is all higher than 1.5, illustrate that fenhexamid and RP-26019 mixture in 60 1 to 1 60 scopes all show potentiation, especially when the proportioning of the two is when 10:1 to 1:20, potentiation becomes apparent from highlighting, and wherein when fenhexamid and RP-26019 weight ratio are 12, potentiation ratio SR is maximum, and potentiation is the most obvious, test finds, when the proportioning of fenhexamid and RP-26019 is at 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:, 15, 1:16, 1:17, 1:18, 1:19, to rice blast during 1:20, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, scab, Glomerella cingulata, apple scab, potentiation is obvious, and potentiation ratio is all higher than 1.5。
Application Example six fenhexamid and captan and composite prevent and treat the early blight of tomato test of pesticide effectiveness
This experimental establishment is in Nanning suburban district, Guangxi province, and test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, comparison medicament 50% fenhexamid wettable powder (commercial), 50% captan wettable powder (commercial)。
Early blight of tomato disease index is investigated before medicine, in their early stage dispenser, second time dispenser after 7 days, altogether dispenser 2 times, within after second time dispenser 7 days, 14 days, 30 days, investigate disease indexs and calculate preventive effect。Experimental result is as follows:
Table 5 fenhexamid, captan and composite prevent and treat the early blight of tomato test of pesticide effectiveness
As can be seen from Table 5, effectively preventing and treating early blight of tomato after fenhexamid is composite with captan, prevention effect is superior to the preventive effect of single dose。In test scope of medication, target crop is had no adverse effects, find through test throughout the country, fenhexamid is composite simultaneously to rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot with captan, the preventive effect of the diseases such as scab, Glomerella cingulata, apple scab is all more than 95%, preventive effect is better than comparison medicament, and potentiation is obvious。
Application Example seven fenhexamid and dithianon and the composite preventing and treating pepper anthracnose test of pesticide effectiveness thereof
This experimental establishment is in Xingping City, Shaanxi Province, and test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, comparison medicament 50% fenhexamid wettable powder (commercial), 22.7% dithianon suspending agent (commercial)。
Investigating the pepper anthracnose disease state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 10 days once, is total to dispenser 2 times。Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect。Experimental result is as follows:
Table 6 fenhexamid, dithianon and the composite preventing and treating pepper anthracnose test of pesticide effectiveness thereof
As can be seen from Table 6, effectively preventing and treating pepper anthracnose after fenhexamid is composite with dithianon, prevention effect is superior to the preventive effect of single dose。In test scope of medication, target crop is had no adverse effects, find through test throughout the country, fenhexamid is composite simultaneously to rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot with dithianon, the preventive effect of the diseases such as scab, Glomerella cingulata, apple scab is all more than 95%, preventive effect is better than comparison medicament, and potentiation is obvious。
Application Example eight fenhexamid and polyoxin and the composite preventing and treating gray mold of cucumber test of pesticide effectiveness thereof
This experimental establishment is in Changan District, Shaanxi Province, and test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, comparison medicament 50% fenhexamid wettable powder (commercial), 10% Wettable polyoxin powder (commercial)。
Gray mold of cucumber disease index is investigated before medicine, in their early stage dispenser, second time dispenser after 7 days, altogether dispenser 2 times, within after second time dispenser 7 days, 14 days, 30 days, investigate disease indexs and calculate preventive effect。Experimental result is as follows:
Table 7 fenhexamid, polyoxin and the composite preventing and treating gray mold of cucumber test of pesticide effectiveness thereof
As can be seen from Table 7, effectively preventing and treating gray mold of cucumber after fenhexamid is composite with polyoxin, prevention effect is superior to the preventive effect of single dose。In test scope of medication, target crop is had no adverse effects, find through test throughout the country, fenhexamid is composite simultaneously to rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot with polyoxin, the preventive effect of the diseases such as scab, Glomerella cingulata, apple scab is all more than 95%, preventive effect is better than comparison medicament, and potentiation is obvious。
Application Example nine fenhexamid and RP-26019 and the composite preventing and treating sclerotinia rot of colza test of pesticide effectiveness thereof
This experimental establishment is in Xingping City, Shaanxi Province, and test medicine is researched and developed by Shaanxi Welch Crop Protection Co., Ltd., provided, comparison medicament 50% fenhexamid wettable powder (commercial), 50% iprodione wettable powder (commercial)。
Sclerotinia rot of colza disease index is investigated before medicine, in their early stage dispenser, second time dispenser after 7 days, altogether dispenser 2 times, within after second time dispenser 7 days, 14 days, 30 days, investigate disease indexs and calculate preventive effect。Experimental result is as follows:
Table 8 fenhexamid, RP-26019 and the composite preventing and treating sclerotinia rot of colza test of pesticide effectiveness thereof
As can be seen from Table 8, effectively preventing and treating sclerotinia rot of colza after fenhexamid and iprodione, prevention effect is superior to the preventive effect of single dose。In test scope of medication, target crop is had no adverse effects, find through test throughout the country, fenhexamid and iprodione are simultaneously to rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, the preventive effect of the diseases such as scab, Glomerella cingulata, apple scab is all more than 95%, preventive effect is better than comparison medicament, and potentiation is obvious。

Claims (7)

1. the Synergistic bactericidal composition containing fenhexamid, comprise effective active component, auxiliary agent, it is characterized in that: active component A, B weight ratio are 60:1～1:60, described active component A is selected from fenhexamid, active component B one in polyoxin, RP-26019。
2. bactericidal composition according to claim 1, it is characterised in that: the weight ratio of two kinds of active components of A, B is 40:1～1:40。
3. bactericidal composition according to claim 2, it is characterised in that: the weight ratio of fenhexamid and polyoxin is 20:1～1:10。
4. bactericidal composition according to claim 2, it is characterised in that: the weight ratio of fenhexamid and RP-26019 is 10:1～1:20。
5. bactericidal composition according to claim 1, it is characterised in that: compositions makes wettable powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent。
6. bactericidal composition according to claim 1 is for preventing and treating the application of the disease on cereal crop, vegetable, fruit tree, flowers。
7. application according to claim 6, it is characterized in that: described disease includes rice blast, gray mold, sclerotiniose, powdery mildew, early blight, spot defoliation, melasma, rust, anthrax, downy mildew, shot hole, leaf spot, leaf mold, late blight, brown rot, scab, Glomerella cingulata, apple scab。
CN201610087412.2A 2012-03-17 2012-03-17 Synergism sterilizing composition containing fenhexamid Pending CN105685032A (en)

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Application publication date: 20160622