CN107372566A - A kind of sulphur of ketone containing thiophene is grand and iofensulfuron Herbicidal combinations - Google Patents

A kind of sulphur of ketone containing thiophene is grand and iofensulfuron Herbicidal combinations Download PDF

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Publication number
CN107372566A
CN107372566A CN201710687045.4A CN201710687045A CN107372566A CN 107372566 A CN107372566 A CN 107372566A CN 201710687045 A CN201710687045 A CN 201710687045A CN 107372566 A CN107372566 A CN 107372566A
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iofensulfuron
grand
agent
sulphur
active components
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不公告发明人
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Beijing Agricultural Science And Technology Center
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Beijing Agricultural Science And Technology Center
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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
    • 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
    • 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
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04—Aryloxy-acetic acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
    • 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
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides a kind of sulphur of ketone containing thiophene is grand and iofensulfuron synergistic herbicidal compositions, it is characterized in that including active components A and B, wherein, A is that thiophene ketone sulphur is grand and iofensulfuron, B is one or more kinds of combinations in fluorine benzofenap, fluorine chloropyridine ester, the own ester of the chloroethyl of 2 first 4, F4050, SL 1201, F9600, F9960, also include the auxiliary agent that can be used in Pesticide formulation, conventional pesticidal preparations are made, and applied to the unwanted plant of preventing and treating.

Description

A kind of sulphur of ketone containing thiophene is grand and iofensulfuron Herbicidal combinations
Technical field
The invention belongs to pesticides application technical field, is related to a kind of composition pesticide, specifically a kind of sulphur of ketone containing thiophene Grand and iofensulfuron Herbicidal combinations, applied to preventing and kill off unwanted plant.
Background technology
In agricultural production process, it is not necessary to plant (weeds) serious, the target crop such as damage to crops, forest life occurs It is long, and influence undesirable vegetation plot (such as bare place, railway, highway, forest fire protection road, industrial sites, threshing ground) just Often use.Herbicide is to prevent and kill off the most economic, the quick and effective method for not needing plant.
Single herbicide is limited using easily developing immunity to drugs or preventing and treating spectrum, can not solve well in produce reality not Need the harm of plant.Mixture herbicide, which has to expand, prevents and treats spectrum, enhancing preventive effect, delays the advantages such as herbicide resistance, in life Turn into most popular application form in production practice.Especially there is the herbicide of synergy, between each active principle of herbicide Interaction, make combination aging fruit better than the theoretical summation that effect is used alone, thus the work(of thing half can be played in actual use Effect again, is more welcome by user.
Thiophene ketone sulphur grand (thiencarbazone-methyl) is a kind of selective herbicide of overseas enterprise's exploitation, belongs to branch Chain amino acid synthetic inhibitor.It can be handled in weeds before seedling after seedling, prevent and kill off 1 year on the crops such as corn field, wheat paddock, lawn Raw grassy weed and broad leaved weed.No. CAS is 317815-83-1.Its structural formula is as follows：
Iofensulfuron is also a kind of before seedling after seedling processing herbicide of overseas enterprise's exploitation, is mainly used in preventing and kill off small Annual gramineous weed and broad leaved weed in wheat, rice, corn, cotton and Soybean Field.It is mentioned here Iofensulfuron includes iofensulfuron and its existence form, such as sodium salt, calcium salt, magnesium salts, manganese salt, mantoquita, zinc salt, potassium Salt, ammonium salt etc..
Fluorine benzofenap (bicyclopyrone) be developed in recent years be mainly used in preventing and kill off corn field, sugarcane field and lawn The novelty pharmacy variety of weeds.
Fluorine chloropyridine ester (halauxifen-methyl) and the novelty herbicide developed in recent years, are mainly used as seedling Post processing, prevent and kill off the broad leaved weed of the cereal Tanaka such as wheat, barley.
The own ester of the chloroethyl of 2 first 4 (MCPA-2ethylhexyl ester, CAS 29450-45-1) is a kind of excellent wide Spectrality herbicide, available for preventing and kill off in the crop fields such as wheat, barley, corn, rice, potato, lawn, fruit tree and bare place Broad leaved weed and nutgrass flatsedge.
F4050 is a kind of before seedling after seedling inorganic agent that rich U.S.A develops in fact, for preventing and kill off the crops such as cereal crop, sunflower The broad leaved weed of Tanaka；SL-1201 is a kind of broad spectrum weeding agent of Japanese stone original industry development, suitable for before seedling processing, is prevented Except soybean, wheat, potatoes and other crops Tanaka a variety of weeds；F9600 is a kind of broad spectrum activity before seedling processing that rich U.S.A develops in fact Agent, can effectively prevent and kill off broad leaved weed in the crop fields such as cereal crop, rape, rice, cotton, sugarcane and part grass family is miscellaneous Grass；F9960 is a kind of broad spectrum activity before seedling after seedling inorganic agent that rich U.S.A develops in fact, can effectively prevent and kill off corn and soybean, cotton and other A variety of broad leaved weeds in the crop fields.
The present invention has found by the research of substantial amounts of formulation screening test, when thiophene ketone sulphur is grand and iofensulfuron compositions With one kind or one kind in fluorine benzofenap, fluorine chloropyridine ester, the own ester of the chloroethyl of 2 first 4, F4050, SL-1201, F9600, F9960 When above medicament is combined, surprising herbicidal effect is shown, that is, shows good synergy, actual weeding effect Fruit is substantially better than the theoretical summation of exclusive use, has very extensive application prospect in production.
The content of the invention
The present invention relates to synergistic herbicidal compositions, including active components A and B, described active components A be thiophene ketone sulphur it is grand and Iofensulfuron, described active component B are fluorine benzofenap, fluorine chloropyridine ester, the own ester of the chloroethyl of 2 first 4, F4050, SL- 1201st, one or more kinds of combinations in F9600, F9960.In addition, also include to use in Pesticide formulation helps Agent.
The composition can be especially good effect be used to prevent and treat weeds in various useful crops, the useful crop Including but not limited to conventional breeding crop, genetically modified crops, asexually propagated crop and asexual propagation material, domesticating and cultivating it is wild Plant etc., make especially suitable for preventing and kill off wheat, barley, corn, rice, lawn, soybean, potato, cotton, sugarcane, forest land etc. The weeds of thing Tanaka, or for undesirable vegetation growths such as bare place, railway, highway, forest fire protection road, industrial sites, threshing grounds Weeds in plot.
The instantiation that can be mentioned that can use the representative grassy weed of composition for preventing and controlling of the invention, broad-leaved miscellaneous for some Grass and nutgrass flatsedge, the example are not limited to specified genus kind.It should be noted that the invention is not limited in example in detail below, also Other unwanted plants can be extended in the same manner：
Including but not limited to following category or the broad leaved weed of section：Abutilon, Amaranthus, Portulaca, Acalypha, lamb's-quarters Category, pulse family, Polygonum, Stellaria, Euphorbia, Bedstraw, Descurainia, shepherd's purse category, Eclipta prostrata category, Viola, Xanthium, Veronica Shu, pivots store category, Kochia, Myosoton, Senecio, Solanum, Lithospermum, lyrate hemistepta herb category, sandwort category, silene, led a cow Category, Brassica genus, Urtica, mallow, Plantago, lespedeza, Ambrosia, Bidens, bitter fleabane category, small fluffy category, sonchus oleraceus Category, pearlwort, Datura, carpetweed, ox achyranthes chrysanthemum spp, black clover category, japanese bearbind genus, Hibiscus, galeopsis, bur Category；The grassy weed of following category：Echinochloa, knotgrass, setaria, Poa L., Avena, Panicum, lolium temulentum category, bromegrass Category, wild Panicum, amur foxtail category, Lolium, yard grass category, cogon, Brachiaria, speedwell category, ladder forage spp, caput grass Shu, Wang grass category, hard grass category, Cenchrus, Cynodon；The sedge weed of following category：Cyperus, Herba Cyperi Glomerati category.
In order to solve the above-mentioned technical problem, the present invention, which adopts the following technical scheme that, is achieved：
Between medicament in present composition component A, between A and B can with arbitrary proportion mixture, generally a kind of activity into Content is divided to be higher than rest activity composition, preferably mixing ratio is 100：1 to 1：100 or 50：1 to 1：50.
The present composition can be by the way that active component be mixed with the auxiliary agent that can be used in Pesticide formulation, with known Method is prepared as conventional preparation, such as missible oil, wettable powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, particle Agent, dispersible oil-suspending agent, microcapsule suspending agent, suspension emulsion etc..The active component of 0.1~95% weight is typically contained in preparation, It is preferred that the active component of 0.5~90% weight.
The auxiliary agent that can be used in Pesticide formulation includes but is not limited to：Water, solvent, filler, various surfactants (emulsifying agent, dispersant, wetting agent etc.), adhesive, film forming agent, colouring agent, antifreezing agent, thickener, suspending agent, disintegrant, disappear Infusion, bleeding agent, synergist, stabilizer, wall capsule material, pH adjusting agent, preservative etc..Also, suitably, in order to improve to spy Ordered goods tolerance, safener can be properly added；Or sometimes for crop growth is promoted, it can add in mixture composition Add conventional agriculture fertilizer, medicament-fertilizer mixture is made.These auxiliary agents are all to commonly use in pesticidal preparations or allow the composition used, have no spy Do not limit, one or more kinds of auxiliary agents may be selected and form, specific composition and dosage are according to recipe requirements by simply testing It is determined that.
The production technology of the various application forms of composition belongs to existing known technology, will not be repeated here.
The present composition can use in a variety of ways, be such as watered spraying in a usual manner and use, or directly spread fertilizer over the fields or ditch Apply, or mix pesticide-clay mixture and spread fertilizer over the fields, early stage can be used before weeds emergence or after emergence.Dosage can change in relative broad range, And the situation depending on soil, application method, crop, weeds species to be prevented and kill off and seedling age size, weather conditions at that time And other factors.The present composition is generally applied with the dosage of 0.001~2.0kg mixture of active principles/hectare, more excellent Selection of land, applied with the dosage of 0.01~1.0kg mixture of active principles/hectare.
The present invention compared with prior art, has the following technical effect that：
1st, mixture composition has good synergy, and application effect is substantially better than single dose theoretical effect summation, that is, had There is super superposition, dominant weed occurrence injury can be better controled over；
2nd, there is good complementarity in control of weeds spectrum between mixture composition active component, preventing and treating can be expanded very well Spectrum, synthesis effectively control various weeds occurrence injuries；
3rd, mixture composition has good synergy, can reduce medicament usage amount, reduces use cost and environment is dirty Dye, improves the security to crop.
Embodiment
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1：70% missible oil
Being formulated composition is：Active components A is 7%, and active component B is 63%, emulsifying agent APES 4%, Emulsifying agent calcium dodecyl benzene sulfonate 6%, solvent xylene complements to 100%.
Preparation method is：All materials are put into batching kettle, stirring and dissolving is to fully transparent, after chemical examination is qualified, transfer It is filling to storage tank.
Embodiment 2：56% suspending agent
Being formulated composition is：Active components A is 7%, and active component B is 49%, wetting agent AEO 5%, Dispersant sodium methylene bis-naphthalene sulfonate 4%, antifreeze glycol 5%, thickener aluminium-magnesium silicate 0.2%, water complements to 100%.
Preparation method is：By in active component and wetting agent, dispersant, antifreezing agent and water input stirred tank, it is sufficiently stirred Afterwards, material is pumped into sand mill and be fully ground, after the completion of grinding, be pumped into high-speed shearing machine, after adding thickener, enter Row high speed shear, suspending agent is made after the completion of shearing.
Embodiment 3：64% water dispersible granules
Being formulated composition is：Active components A is 56%, and active component B is 8%, wetting agent dioctyl sodium sulphosuccinate 6%, dispersant calcium lignosulfonate 5%, disintegrant ammonium sulfate 3%, adhesive carboxymethyl cellulose 0.2%, filler concave convex rod Soil complements to 100%.
Preparation method is：After all materials are well mixed, crush through airslide disintegrating mill, be well mixed again, then, add Enter a certain amount of water to mediate this mixture, extruder grain, sieved through drying, that is, obtain water dispersible granules.
Embodiment 4：10% aqueous emulsion
Being formulated composition is：Active components A is 5%, and active component B is 5%, solvent xylene 10%, solvent cyclohexanone 2%, emulsifier polyoxyethylene sorbitan fatty acid ketone 4%, emulsifying agent aerosol-OT salt 4%, antifreezing agent Propane diols 5%, water complements to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, input emulsifying agent forms oil after being sufficiently stirred Phase；Antifreezing agent is added to the water dissolving, forms aqueous phase；Aqueous phase is slowly added in oil phase, sheared using high-speed shearing machine, you can Obtain aqueous emulsion.
Embodiment 5：18% microemulsion
Being formulated composition is：Active components A is 15%, and active component B is 3%, solvent xylene 9%, solvent cyclohexanone 6%, emulsifying agent castor oil polyoxyethylene ether 8%, emulsifying agent butene dioic acid dioctyl ester sulfoacid calcium 5%, antifreezing agent glycerine 5%, Water complements to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, put into emulsifying agent and antifreezing agent be well mixed, Deionized water is eventually adding, carries out high speed shear, you can obtains microemulsion.
Embodiment 6：84% wettable powder
Being formulated composition is：Active components A is 14%, and active component B is 70%, and wetting agent pull open powder 5%, dispersant is to first Epoxide fatty acyl amido benzene sulfonic acid sodium salt 5%, filler diatomite complements to 100%.
Preparation method is：Active component and each auxiliary agent are well mixed, puts into mechanical disintegrating machine and just smash, afterwards Crushed through airslide disintegrating mill, remix uniformly, that is, wettable powder is made.
Embodiment 7：5% granule
Being formulated composition is：Active components A is 4%, and active component B is 1%, wetting agent sldium lauryl sulfate 0.7%, is disperseed Agent APES formaldehyde condensation product sulfonate 1.0%, colouring agent Viride Nitens (peacock green) 0.2%, filler bentonite Complement to 100%.
Preparation method is：After all materials are well mixed, add a certain amount of water and mediate this mixture, extruding is made Grain, sieved through drying, that is, obtain granule.
Embodiment 8：36% dispersible oil-suspending agent
Being formulated composition is：Active components A is 9%, and active component B is 27%, emulsifying agent maleic acid di-sec-octyl sulphur Sour sodium 6%, emulsifying agent triphenyl vinyl phenol APEO 8%, dispersant polycarboxylate 2%, thickener white carbon 2%, point Dispersion media methyl oleate complements to 100%.
Preparation method is：By in active component and emulsifying agent, dispersant and decentralized medium input stirred tank, it is sufficiently stirred Afterwards, it is pumped into high-speed shearing machine, carries out high speed shear, then pump is fully sanded into sand mill, and qualified rear add is sanded and increases Thick dose, stir and produce dispersible oil-suspending agent.
Embodiment 9：24% microcapsule suspending agent
Being formulated composition is：Active components A is 18%, and active component B is 6%, solvent xylene 10%, solvent Solvesso 2005%, oiliness capsule skin aliphatic polymeric isocyanate 5%, water-based capsule skin hexamethylene diamine 3%, emulsifying agent alkylphenol-formaldehyde resin polyoxy Vinethene 6%, dispersant naphthalenesulfonic acid-formaldehyde condensate 5%, thickener aluminium-magnesium silicate 0.2%, decentralized medium water complements to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, oiliness capsule skin is added, is sufficiently stirred to form oil Phase；It is poured into and is mixed with the aqueous phase of emulsifying agent and dispersant, carries out high speed shear, then add water-based capsule skin, stir, Then raise temperature to 70 DEG C of heat preservation solidifications 2 hours, microcapsules are made, are eventually adding thickener, stirs and produces microcapsule suspending agent.
Embodiment 10：40% suspension emulsion
Being formulated composition is：Active components A is 36%, and active component B is 4%, solvent xylene 10%, emulsifying agent styrene Base phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether 5%, wetting agent alcohol ethoxylate 4%, dispersant EO-PO blocks Polyethers 3%, antifreeze glycol 5%, thickener xanthans 0.2%, water complements to 100%.
Preparation method is：Active components A, wetting agent, dispersant, antifreezing agent and water are put into stirred tank, are sufficiently stirred Afterwards, material is pumped into sand mill and be fully ground, suspending agent is made；After active component B is fully dissolved with solvent with breast Agent is well mixed, and is then added to it in Manufactured suspending agent under the conditions of high speed shear, adds thickener, is carried out high Speed shearing, is made suspension emulsion after the completion of shearing.
Application effect example：
1st, test method
Reference《The part of NY/T 1155.4-2006 farm-chemical indoor determination test rules herbicide the 4th：Determination of activity tries Test cauline leaf spray-on process》Carry out.
Experiment, which is located under greenhouse experiment, to be carried out.Choose several generations in grassy weed, broad leaved weed and sedge weed Table weeds artemisiifolia, the rhizome of nutgrass flatsedge, chufa, sonchus oleraceus, faber bristlegrass herb, chickweed, Itanlian rye, Horseweed Herb, Amaranthus retroflexus and liter Lady's-grass is for examination weeds.The rhizome of nutgrass flatsedge and chufa are perennial weeds, take underground rhizome breeding from field；Remaining several weeds For annual grassy weeds, from field, collection weed seed is bred.
It will be quantitatively filled at the 4/5 of basin alms bowl for examination soil, using basin alms bowl bottom infiltrating irrigation mode, soil is moistened completely to full And state.Choose artemisiifolia that is full, uniform, having no mechanical damage, sonchus oleraceus, faber bristlegrass herb, chickweed, Itanlian rye, Horseweed Herb, Amaranthus retroflexus or digitaria ciliaris seed, by its uniform broadcasting in a diameter of 30cm round plastic nutritive cube surface, 30~40 are broadcast per basin Grain, earthing 1.0cm.The perennial weeds rhizome of nutgrass flatsedge or chufa take underground rhizome (long-rhizome such as 3cm) from field, are planted per basin 10 sections.The after planting moisturizing in a manner of the bottom infiltrating irrigation of basin alms bowl, makes soil moisten completely to saturation state.When length is to 2~3 leaf phase, often 30 plants of basin final singling.When weeds were grown to 3~4 leaf phase, decoction is sprayed with hand micro-sprayer, spouting liquid is often to handle 60mL, ground moistening is kept after medicine.Often processing sets 4 repetitions, if blank control is made in the processing without medicament.Medicine is treated after processing After liquid natural air drying, cellar culture observation in greenhouse is moved into.
21d after chemicals treatment, investigation method investigation records activity of weeding (is counted and surveys) using absolute value, with weighing each processing weeds Upper part fresh weight, actual preventive effect is calculated, and evaluated and acted synergistically according to Colby methods.Referring to COLBY, S.R.：" calculate herbicide The collaboration of combination and Antagonistic reaction ", Weeds 15, p.20~22,1967：
According to survey data, the actual preventive effect of each processing is calculated by formula (1), unit is percentage (%), result of calculation Retain 2 significant digits.
In formula：
E-actual preventive effect；
C-control weeds aerial part fresh weight；
T-processing weeds aerial part fresh weight.
Colby methods：Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(2) formula calculates：
In formula：
Actual preventive effect when the dosage of X-herbicide 1 is P；
Actual preventive effect when the dosage of Y-herbicide 2 is Q；
Actual preventive effect when the dosage of Z-herbicide 3 is R；
E0The dosage of-herbicide 1 is that the dosage of P+ herbicides 2 is theoretical preventive effect when the dosage of Q+ herbicides 3 is R, i.e. mixture is removed The expection preventive effect of careless agent；
E-herbicide 1,2 and 3 presses actual preventive effect during different ratio mixture；
As E ＞ E0When, i.e., if the actual preventive effect of Mixed Pharmacy exceedes the theoretical preventive effect (it is expected that preventive effect) calculated, then should Combination just has super superposition, that is, acts synergistically.
2nd, result of the test
Result of the test refers to table 1~10, it is seen then that active components A (thiophene ketone sulphur grand and iofensulfuron) with selected from activity Composition B (the own ester of the chloroethyl of 2 first 4, F4050, fluorine benzofenap, fluorine chloropyridine ester, F9960, F9600, SL-1201) medicament mixture Afterwards, actual preventive effect is all higher than theoretical preventive effect (it is expected that preventive effect), illustrates that active components A has with the medicament mixture in active component B Synergy.
The thiophene ketone sulphur of table 1 is grand, the synergy effect of iofensulfuron and the own ester mixture of the chloroethyl of 2 first 4 to artemisiifolia
The synergy effect that thiophene ketone sulphur is grand, iofensulfuron and F4050 mixtures are to the rhizome of nutgrass flatsedge of table 2
The synergy effect that thiophene ketone sulphur is grand, iofensulfuron and fluorine benzofenap mixture are to chufa of table 3
The synergy effect that thiophene ketone sulphur is grand for table 4, iofensulfuron and fluorine chloropyridine ester mixture are to sonchus oleraceus
The thiophene ketone sulphur of table 5 is grand, iofensulfuron sodium salts and synergy effect of the F9960 mixtures to faber bristlegrass herb
The synergy effect that thiophene ketone sulphur is grand for table 6, iofensulfuron and fluorine chloropyridine ester mixture are to chickweed
The synergy effect that thiophene ketone sulphur is grand for table 7, iofensulfuron and fluorine chloropyridine ester mixture are to Itanlian rye
The thiophene ketone sulphur of table 8 is grand, iofensulfuron magnesium salts and synergy effect of the fluorine benzofenap mixture to Horseweed Herb
The thiophene ketone sulphur of table 9 is grand, iofensulfuron sylvite and synergy effect of the F9600 mixtures to Amaranthus retroflexus
The synergy effect that thiophene ketone sulphur is grand, iofensulfuron and SL-1201 mixtures are to digitaria ciliaris of table 10

Claims (5)

1. a kind of herbicidal composition, it is characterised in that including active components A and B.
2. herbicidal composition as claimed in claim 1, it is characterised in that described active components A be thiophene ketone sulphur it is grand and iofensulfuron。
3. herbicidal composition as claimed in claim 1, it is characterised in that described active component B is fluorine benzofenap, fluorine chlorine One or more kinds of combinations in pyridine ester, the own ester of the chloroethyl of 2 first 4, F4050, SL-1201, F9600, F9960.
4. the herbicidal composition as described in claim 1,2 or 3, it is characterised in that in addition to active components A and B, in addition to The auxiliary agent that can be used in Pesticide formulation.
5. the herbicidal composition as described in claim 1,2,3 or 4, it is characterised in that it is unwanted to be applied to preventing and treating Plant.
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CN108077301A (en) * 2017-12-25 2018-05-29 南京红太阳股份有限公司 A kind of grand Herbicidal combinations and its application with nicosulfuron of sulphur of ketone containing thiophene

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CN105284856A (en) * 2015-10-18 2016-02-03 广东中迅农科股份有限公司 Weeding combination containing halauxifen-methyl and thiencarbazone-methyl

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CN101835378A (en) * 2007-10-24 2010-09-15 拜尔农作物科学股份公司 Herbicidal combination
CN105284856A (en) * 2015-10-18 2016-02-03 广东中迅农科股份有限公司 Weeding combination containing halauxifen-methyl and thiencarbazone-methyl

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108077301A (en) * 2017-12-25 2018-05-29 南京红太阳股份有限公司 A kind of grand Herbicidal combinations and its application with nicosulfuron of sulphur of ketone containing thiophene

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Application publication date: 20171124