CN107279144A - A kind of Herbicidal combinations containing fluorochloridone - Google Patents

A kind of Herbicidal combinations containing fluorochloridone Download PDF

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Publication number
CN107279144A
CN107279144A CN201710486541.3A CN201710486541A CN107279144A CN 107279144 A CN107279144 A CN 107279144A CN 201710486541 A CN201710486541 A CN 201710486541A CN 107279144 A CN107279144 A CN 107279144A
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agent
fluorochloridone
active components
salt
dimethenamid
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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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • 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
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/10—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with sulfur as the ring hetero atom
    • 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
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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

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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 synergistic herbicidal compositions containing fluorochloridone, it is characterized in that including active components A and B, wherein, A is fluorochloridone, and B is grand thiophene ketone sulphur, diflufenican, dimethenamid, smart dimethenamid, flupoxam, fluorine benzofenap, 2,4 drop propionic acid and its salt, essence 2, one or more kinds of combinations in 4 drop propionic acid and its salt, 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 Herbicidal combinations containing fluorochloridone
Technical field
The invention belongs to pesticides application technical field, it is related to a kind of composition pesticide, specifically one kind is fluorine-containing coughs up grass The Herbicidal combinations of ketone, applied to preventing and kill off unwanted plant.
Background technology
In agricultural production process, it is not necessary to plant (weeds) occur serious, the target crop such as damage to crops, forest life It is long, and influence undesirable vegetation plot (such as bare place, railway, highway, forest fire protection road, industrial sites, threshing ground) is 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, can expand preventing and treating spectrum, enhancing preventive effect, delay the advantages such as herbicide resistance, in life Turn into most popular application form in production practice.Especially have between the herbicide of synergy, each active principle of herbicide Interaction, makes combination aging fruit better than the theoretical summation of effect is used alone, thus can play in actual use the work(of thing half Effect again, is more welcome by user.
Fluorochloridone (flurochloridone) is a kind of selective herbicide of overseas enterprise's exploitation, belongs to carotenoid Synthetic inhibitor.It is mainly used in preventing and kill off wheat, rye, cotton, potato, sunflower, carrot, garlic, apple, pears, peach etc. falls Grassy weed, broad leaved weed and nutgrass flatsedge in leaf fruit tree the crop fields.CAS accession number is 61213-25-0.Its structural formula is as follows：
Thiophene ketone sulphur grand (thiencarbazone-methyl), diflufenican (diflufenican), dimethenamid (dimethenamid), smart dimethenamid (dimethenamid-P), flupoxam (flupoxam), fluorine benzofenap (bicyclopyrone), 2,4- drops propionic acid (dichlorprop) and its salt (including but is not limited to sodium salt, ammonium salt, sylvite), essence 2,4- drops propionic acid (dichlorprop-P) and its salt (including but is not limited to sodium salt, ammonium salt, sylvite) are also what overseas enterprise developed Various crop weeds are had good preventive effect by several novel broad spectrum weeding agent.
The present invention is studied by substantial amounts of formulation screening test and found, when fluorochloridone and thiophene ketone sulphur is grand, diflufenican, Dimethenamid, smart dimethenamid, flupoxam, fluorine benzofenap, 2,4- drops propionic acid and its salt, essence 2,4- drops propionic acid and its salt In one or more kinds of medicaments any combination when, show surprising herbicidal effect, that is, show good collaboration Effect, actual herbicidal effect is substantially better than the theoretical summation of exclusive use, has application prospect widely 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 is fluorochloridone (flurochloridone), described active component B is grand thiophene ketone sulphur, diflufenican, dimethenamid, smart diformazan fen grass One or more kinds of groups in amine, flupoxam, fluorine benzofenap, 2,4- drops propionic acid and its salt, essence 2,4- drops propionic acid and its salt Close.In addition, also including the auxiliary agent that can be used in Pesticide formulation.
The composition especially good effect can be used to prevent and treat the 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., be particularly suitable for use in preventing and kill off wheat, rye, cotton, potato, corn and soybean, sunflower, carrot, garlic, sugarcane, Weeds in the crop fields such as lawn, apple tree, pear tree, peach, or for bare place, railway, highway, forest fire protection road, industry Weeds in the undesirable vegetation growth plot such as place, threshing ground.
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；The grass of following category Section weeds：Echinochloa, Sprangletop, knotgrass, setaria, Poa L., Avena, Panicum, lolium temulentum category, Brome, wild broomcorn millet Category, amur foxtail category, yard grass category, cogon, Brachiaria, speedwell category, ladder forage spp, caput grass Shu, Wang grass category, hard grass Category, Cenchrus；The sedge weed of following category：Cyperus, Herba Cyperi Glomerati category.
In order to solve the above-mentioned technical problem, the present invention, which is adopted the following technical scheme that, is achieved：
The present composition component A and B can be with arbitrary proportion mixtures, and a kind of usual active component content is higher than rest activity Composition, preferably mixing ratio are 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, can be properly added safener；Or sometimes for crop growth is promoted, can add in mixture composition Plus conventional agriculture fertilizer, medicament-fertilizer mixture is made.These auxiliary agents are all the compositions commonly used in pesticidal preparations or allow to use, and have no spy Do not limit, one or more auxiliary agent may be selected and constitutes, specific composition and consumption 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 be used in a variety of ways, be such as watered spraying in a usual manner and used, or directly spread fertilizer over the fields or ditch Apply, or mix pesticide-clay mixture and spread fertilizer over the fields, can be used in early days before weeds emerge or after emerging.Dosage can change in relative broad range, And depending on the situation of 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 consumption of 0.001~2.0kg mixture of active principles/hectare, more excellent Selection of land, is applied with the consumption of 0.02~1.0kg 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 controls various weeds occurrence injuries；
3rd, mixture composition has good synergy, can reduce medicament usage amount, and reduction use cost and environment are 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 1：48% missible oil
Being formulated composition is：Active components A is 6%, and active component B is 42%, emulsifying agent phenethyl phenol polyethenoxy ether 4%, emulsifying agent calcium dodecyl benzene sulfonate 5%, solvent xylene complements to 100%.
Preparation method is：All materials are put into batching kettle, stirring and dissolving after chemical examination is qualified, is shifted to fully transparent It is filling to storage tank.
Embodiment 2：54% suspending agent
Being formulated composition is：Active components A is 9%, and active component B is 45%, wetting agent lauryl sodium sulfate 3%, point Powder calcium lignosulfonate 5%, antifreeze glycol 5%, thickener xanthans 0.3%, 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 for Afterwards, material is pumped into sand mill and be fully ground, after the completion of grinding, be pumped into high-speed shearing machine, add after thickener, enter Row high speed shear, is made suspending agent after the completion of shearing.
Embodiment 3：80% water dispersible granules
Being formulated composition is：Active components A is 72%, and active component B is 8%, wetting agent AEO 5%, Dispersant APES formaldehyde condensation product sulfonate 4%, disintegrant sodium sulphate 5%, adhesive carboxymethyl cellulose 0.2%, filler diatomite complements to 100%.
Preparation method is：After all materials are well mixed, crush, be well mixed again through airslide disintegrating mill, then, plus Enter a certain amount of water to mediate this mixture, extruder grain, through drying screening, that is, obtain water dispersible granules.
Embodiment 4：15% aqueous emulsion
Being formulated composition is：Active components A is 10%, and active component B is 5%, solvent xylene 8%, solvent cyclohexanone 4%, emulsifying agent castor oil polyoxyethylene ether 6%, emulsifying agent styrylphenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether 3%, antifreezing agent glycerine 4%, water complements to 100%.
Preparation method is：After active components A and B solvents are fully dissolved, input emulsifying agent forms oil after being sufficiently stirred for Phase；Antifreezing agent is added to the water dissolving, aqueous phase is formed；Aqueous phase is slowly added in oil phase, sheared using high-speed shearing machine, you can Obtain aqueous emulsion.
Embodiment 5：12% microemulsion
Being formulated composition is：Active components A is 9%, and active component B is 3%, solvent xylene 10%, emulsifying agent maleic Diacid di-sec-octyl sodium sulfonate 9%, emulsifier polyoxyethylene sorbitan fatty acid ketone 6%, antifreezing agent propane diols 4%, water Complement to 100%.
Preparation method is：After active components A and B solvents are fully dissolved, input emulsifying agent and antifreezing agent are well mixed, Deionized water is eventually adding, high speed shear is carried out, you can microemulsion is obtained.
Embodiment 6：64% wettable powder
Being formulated composition is：Active components A is 56%, and active component B is 8%, wetting agent pull open powder 6%, dispersant naphthalene sulphur Sour sodium formaldehyde condensation product 4%, filler kaolin complements to 100%.
Preparation method is：Active component and each auxiliary agent are well mixed, carry out just smashing in the mechanical disintegrating machine of input, afterwards Crushed through airslide disintegrating mill, remix uniform, i.e., obtained wettable powder.
Embodiment 7：6% granule
Being formulated composition is：Active components A is 3%, and active component B is 3%, and wetting agent sldium lauryl sulfate 0.6% disperses Agent polycarboxylate 1.0%, colouring agent Viride Nitens (peacock green) 0.3%, filler bentonite complements 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, through drying screening, that is, obtains granule.
Embodiment 8：24% dispersible oil-suspending agent
Being formulated composition is：Active components A is 20%, and active component B is 4%, emulsifying agent alkylphenol-formaldehyde resin polyoxy second Alkene ether 4%, emulsifying agent aerosol-OT salt 8%, dispersant increases to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 3% Thick dose of white carbon 1.5%, decentralized medium corn oil complements to 100%.
Preparation method is：By in active component and emulsifying agent, dispersant and decentralized medium input stirred tank, it is sufficiently stirred for 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 9：36% microcapsule suspending agent
Being formulated composition is：Active components A is 9%, and active component B is 27%, solvent xylene 10%, solvent Solvesso 1008%, oiliness capsule leather armour phenylene diisocyanate 6%, aqueous capsule skin ethylenediamine 4%, emulsifying agent alkaryl phenol polyethenoxy ether phosphorus Acid esters 5%, dispersant sodium methylene bis-naphthalene sulfonate 6%, thickener aluminium-magnesium silicate 0.2%, decentralized medium water complements to 100%.
Preparation method is：After active components A and B solvents are fully dissolved, oiliness capsule skin is added, is sufficiently stirred for forming 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 aqueous capsule skin, stir, Then raise temperature to 70 DEG C of heat preservation solidifications 2 hours, microcapsules are made, thickener is eventually adding, stirs and produces microcapsule suspending agent.
Embodiment 10：70% suspension emulsion
Being formulated composition is：Active components A is 7%, and active component B is 63%, solvent xylene 10%, emulsifying agent alkyl phenol APEO formaldehyde condensation products 7%, wetting agent AEO 3%, dispersant EO-PO block polyethers 4% are antifreeze Agent ethylene glycol 5%, thickener xanthans 0.3%, water complements to 100%.
Preparation method is：Active component B, wetting agent, dispersant, antifreezing agent and water are put into stirred tank, are sufficiently stirred for Afterwards, material is pumped into sand mill and be fully ground, suspending agent is made；With breast after active components A solvent is fully dissolved Agent is well mixed, and then it is added under the conditions of high speed shear in Manufactured suspending agent, adds thickener, is carried out high Speed shearing, is made suspension emulsion after the completion of shearing.
Application effect example：
1st, test method
Reference《NY/T 1155.3-2006 farm-chemical indoor determination test rule herbicide third portions：Determination of activity is tried Test soil spray-on process》Carry out.
Experiment is located under greenhouse experiment and carried out.Choose several generations in grassy weed, broad leaved weed and sedge weed Table weeds chufa, pivots storage, the rhizome of nutgrass flatsedge, amur foxtail, purslane, clearvers, hard grass, setaria glauca and ox chickweed are miscellaneous for trying Grass.Chufa and the rhizome of nutgrass flatsedge are perennial weeds, and underground rhizome breeding is taken from field；Remaining several weeds is annual miscellaneous Grass, from field collection weed seed breeding.
Experiment soil is quantitatively filled at the 4/5 of basin alms bowl.Choose full, uniform, the pivots storage that has no mechanical damage, amur foxtail, Purslane, clearvers, hard grass, setaria glauca or ox chickweed seed, are soaked after 24h with clear water, by its uniform broadcasting in equipped with soil The round plastic nutritive cube surface of earth, a diameter of 30cm, 30~40, earthing 1.0cm are broadcast per basin.Perennial weeds chufa or The rhizome of nutgrass flatsedge takes underground rhizome (long-rhizome such as 3cm) from field, and 10 sections are planted per basin.With the bottom infiltrating irrigation mode moisturizing of basin alms bowl, make Soil is moistened to saturation state completely.Sow the decoction prepared progress soil spraying after 24h.Move into controllable heliogreenhouse Culture.Often processing set 4 repetitions, every time repeat 5 basins, using without chemicals treatment as blank control.
21d after chemicals treatment, using absolute value (number is surveyed) investigation method investigation records activity of weeding, with weighing each processing weeds Upper part fresh weight, calculates actual preventive effect, and (be directed to ternary according to Gowing methods (being directed to binary mixture herbicide) or Colby methods Mixture herbicide) evaluate synergy.Referring to COLBY, S.R.：" collaboration and the Antagonistic reaction that calculate combinations of herbicides ", 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.
Gowing methods：Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(2) formula is calculated：
In formula：
Actual preventive effect when the consumption of X-herbicide 1 is P；
Actual preventive effect when the consumption of Y-herbicide 2 is Q；
Actual preventive effect after E-herbicide 1 is mixed according to the above ratio with herbicide 2；
E0The consumption of-herbicide 1 is the expection preventive effect of the theoretical preventive effect, i.e. mixture herbicide when the consumption of P+ herbicides 2 is Q.
As E ＞ E0When, should if that is, the actual preventive effect of Mixed Pharmacy exceedes the theoretical preventive effect (it is expected that preventive effect) calculated Combination just has super superposition, that is, acts synergistically.
Colby methods：Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(3) formula is calculated：
In formula：
Actual preventive effect when the consumption of X-herbicide 1 is P；
Actual preventive effect when the consumption of Y-herbicide 2 is Q；
Actual preventive effect when the consumption of Z-herbicide 3 is R；
E0The consumption of-herbicide 1 is that the consumption of P+ herbicides 2 is theoretical preventive effect when the consumption 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, should if that is, the actual preventive effect of Mixed Pharmacy exceedes the theoretical preventive effect (it is expected that preventive effect) calculated Combination just has super superposition, that is, acts synergistically.
2nd, result of the test
Result of the test refers to table 1~9, it is seen then that active components A (fluorochloridone) with selected from active component B (fluorine benzofenap, Thiophene ketone sulphur is grand, smart dimethenamid, flupoxam, essence 2,4- drops propionic acid, dimethenamid, diflufenican etc.) medicament mix After matching somebody with somebody, actual preventive effect is all higher than theoretical preventive effect (it is expected that preventive effect), illustrates that fluorochloridone has with the medicament mixture in active component B Synergy.
The fluorochloridone of table 1 and synergy effect of the fluorine benzofenap mixture to chufa
The synergy effect that the fluorochloridone of table 2 stores with the grand mixture Dui pivots of thiophene ketone sulphur
The fluorochloridone of table 3 and synergy effect of the smart dimethenamid mixture to the rhizome of nutgrass flatsedge
The fluorochloridone of table 4 and synergy effect of the 2,4- drop propionic acid mixtures to amur foxtail
The fluorochloridone of table 5 and synergy effect of the flupoxam mixture to purslane
The fluorochloridone of table 6 and synergy effect of the essence 2,4- drop propionic acid mixtures to clearvers
The fluorochloridone of table 7,2,4- drops propionic acid and synergy effect of the flupoxam mixture to hard grass
The synergy effect of the fluorochloridone of table 8, fluorine benzofenap and dimethenamid mixture to setaria glauca
The synergy effect of the fluorochloridone of table 9, flupoxam and diflufenican mixture to ox chickweed

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 is fluorochloridone.
3. herbicidal composition as claimed in claim 1, it is characterised in that described active component B is that thiophene ketone sulphur is grand, pyrrole fluorine Acyl grass amine, dimethenamid, smart dimethenamid, flupoxam, fluorine benzofenap, 2,4- drops propionic acid and its salt, essence 2,4- drops third One or more kinds of combinations in acid and its salt.
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 be applied to preventing and treating unwanted Plant.
CN201710486541.3A 2017-06-23 2017-06-23 A kind of Herbicidal combinations containing fluorochloridone Withdrawn CN107279144A (en)

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