CN107372561A - A kind of grand Herbicidal combinations of sulphur of ketone containing thiophene - Google Patents
A kind of grand Herbicidal combinations of sulphur of ketone containing thiophene Download PDFInfo
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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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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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
- A01N43/40—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
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- General Health & Medical Sciences (AREA)
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Abstract
The invention provides the synergistic herbicidal compositions that a kind of sulphur of ketone containing thiophene is grand, it is characterized in that including active components A and B, wherein, A is that thiophene ketone sulphur is grand, B is one or more kinds of combinations in pinoxaden, fluorine benzofenap, flucetosulfuron, chlorine Fampridine Suan, metamifops, smart glufosinate-ammonium, the pyrimidine acid of chlorine third, tiafenacil, 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
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 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.CAS accession number is 317815-83-1.Its structural formula is as follows:
Pinoxaden (pinoxaden), fluorine benzofenap (bicyclopyrone), flucetosulfuron
(flucetosulfuron), chlorine Fampridine sour (aminopyralid), metamifops (metamifop), smart glufosinate-ammonium
(glufosinate-p, including its existence form, such as sodium salt, sylvite, manganese salt, calcium salt, mantoquita, zinc salt, isopropyl amine salt), chlorine
Third pyrimidine acid (aminocyclopyrachlor), tiafenacil (No. CAS is 1220411-29-9) and overseas enterprise's exploitation
Several novel broad spectrum weeding agent, there is good preventive effect to various crop weeds.
The present invention has found by the research of substantial amounts of formulation screening test, when thiophene ketone sulphur is grand and pinoxaden, fluorine benzofenap, fluorine
Pyrrole sulphur is grand, the one or more in chlorine Fampridine Suan, metamifops, smart glufosinate-ammonium, the pyrimidine acid of chlorine third, tiafenacil
When medicament is combined, surprising herbicidal effect is shown, that is, shows good synergy, actual herbicidal effect is bright
The aobvious theoretical summation better than exclusive use, there is 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 is that thiophene ketone sulphur is grand
(thiencarbazone-methyl), described active component B is pinoxaden, fluorine benzofenap, flucetosulfuron, chlorine Fampridine
One or more kinds of combinations in Suan, metamifops, smart glufosinate-ammonium, the pyrimidine acid of chlorine third, tiafenacil.In addition, also wrap
Include the auxiliary agent that can be used in Pesticide formulation.
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., especially suitable for preventing and kill off the weeds in the crop fields such as wheat, corn, lawn, sugarcane, soybean, cotton, forest land, or use
Weeds in the undesirable vegetation growth plot such as bare place, railway, highway, forest fire protection road, industrial sites, 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, Rumex;Following category
Grassy weed:Echinochloa, Sprangletop, 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;The sedge weed of following category:Cyperus, Herba Cyperi Glomerati category.In addition, of the present invention group
Compound can also prevent and kill off xylophyta and the part shrubs such as maple, America Piao, willow, black rubber tree, algarroba, American elm.
In order to solve the above-mentioned technical problem, the present invention, which adopts 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, 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 1:56% missible oil
Being formulated composition is:Active components A is 48%, and active component B is 8%, emulsifying agent phenethyl phenol polyethenoxy ether
4%, emulsifier sodium lauryl sulfate 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 2:45% suspending agent
Being formulated composition is:Active components A is 36%, and active component B is 9%, wetting agent calcium dodecyl benzene sulfonate 3%,
Dispersant is to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 4%, and antifreeze glycol 5%, thickener xanthans 0.2%, water is supplied
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 3:63% water dispersible granules
Being formulated composition is:Active components A is 7%, and active component B is 56%, and wetting agent pull open powder 5%, dispersant is wooden
Plain sodium sulfonate 4%, disintegrant ammonium sulfate 3%, adhesive polyethylene glycol 0.5%, filler kaolin complement 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 4:12% aqueous emulsion
Being formulated composition is:Active components A is 8%, and active component B is 4%, solvent xylene 10%, emulsifying agent castor oil
APEO 4%, emulsifying agent butene dioic acid dioctyl ester sulfoacid calcium 3%, antifreezing agent glycerine 4%, 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 5:20% microemulsion
Being formulated composition is:Active components A is 4%, and active component B is 16%, solvent xylene 10%, solvent cyclohexanone
5%, emulsifying agent aerosol-OT salt 6%, emulsifying agent alkyl phenol formaldehyde resin polyoxyethylene ether 8%, antifreezing agent third
Glycol 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 12%, and active component B is 72%, wetting agent dioctyl sodium sulphosuccinate
6%, dispersant sodium methylene bis-naphthalene sulfonate 4%, 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 7:4% granule
Being formulated composition is:Active components A is 2%, and active component B is 2%, wetting agent dialkyl succinylsuccinate ester sodium sulfonate
0.5%, dispersant polycarboxylate 0.9%, 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, sieved through drying, that is, obtain granule.
Embodiment 8:36% dispersible oil-suspending agent
Being formulated composition is:Active components A is 12%, and active component B is 24%, emulsifying agent alkaryl phenol polyethenoxy ether phosphorus
Acid esters 5%, emulsifying agent triphenyl vinyl phenol APEO 8%, dispersant naphthalenesulfonic acid-formaldehyde condensate 3%, thickener is white
Carbon black 1.5%, decentralized medium castor oil complement 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 9:27% microcapsule suspending agent
Being formulated composition is:Active components A is 24%, and active component B is 3%, solvent xylene 10%, solvent Solvesso
2008%, oiliness capsule skin 4,4- methyl diphenylene diisocyanates 5%, water-based capsule skin ethylenediamine 4%, emulsifying agent alkyl phenol polyoxy
Vinethene formaldehyde condensation products 6%, dispersant APES phosphate 5%, thickener aluminium-magnesium silicate 0.2%, disperse
WATER AS FLOW MEDIUM 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 10:72% suspension emulsion
Being formulated composition is:Active components A is 54%, and active component B is 18%, solvent xylene 9%, solvent cyclohexanone
5%, emulsifying agent styrylphenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether 6%, wetting agent polyoxyethylene sorbitol acid anhydride list
Laurate 4%, dispersant EO-PO block polyethers 4%, antifreeze glycol 5%, thickener xanthans 0.3%, 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 are Herba Cyperi Glomerati, chufa, lamb's-quarters, field bindweed, moleplant seed, wild oat, Wang grass, digitaria ciliaris and chickweed for examination weeds.Oil
Nutgrass flatsedge and field bindweed are perennial weeds, take underground rhizome breeding from field;Remaining several weeds is annual grassy weeds, from field
Between gather weed seed breeding.
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 Herba Cyperi Glomerati that is full, uniform, having no mechanical damage, lamb's-quarters, moleplant seed, wild oat, Wang grass, digitaria ciliaris or chickweed kind
Son, by its uniform broadcasting in a diameter of 30cm round plastic nutritive cube surface, 30~40 are broadcast per basin, earthing 1.0cm.For many years
Raw weeds chufa and field bindweed take underground rhizome (long-rhizome such as 3cm) from field, and 10 sections are planted per basin.After planting with basin alms bowl
Bottom infiltrating irrigation mode moisturizing, makes soil moisten completely to saturation state.When length is to 2~3 leaf phase, per 30 plants of basin final singling.Treat weeds
When length is to 3~4 leaf phase, decoction is sprayed with hand micro-sprayer, spouting liquid keeps soil wet often to handle 60mL after medicine
Profit.Often processing sets 4 repetitions, if blank control is made in the processing without medicament.After processing after decoction natural air drying, temperature is moved into
Indoor cellar culture observation.
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 ternary (is directed to according to Gowing methods (being directed to binary mixture herbicide) or Colby methods
Mixture herbicide) evaluation 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 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 after E-herbicide 1 is mixed according to the above ratio with herbicide 2;
E0The dosage of-herbicide 1 is the expection preventive effect of the theoretical preventive effect, i.e. mixture herbicide when the dosage of P+ herbicides 2 is Q.
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.
Colby methods:Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(3) 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 1~9, it is seen then that active components A (thiophene ketone sulphur is grand) is with being selected from active component B
(tiafenacil, fluorine benzofenap, smart glufosinate-ammonium, chlorine the third pyrimidine acid, metamifops, pinoxaden, flucetosulfuron, chlorine ammonia pyrrole
Pyridine acid) medicament mixture after, actual preventive effect is all higher than theoretical preventive effect (it is expected that preventive effect), illustrate that thiophene ketone sulphur is grand and active component B in
Medicament mixture have synergy.
The thiophene ketone sulphur of table 1 is grand with synergy effect of the tiafenacil mixtures to Herba Cyperi Glomerati
The thiophene ketone sulphur of table 2 is grand with synergy effect of the fluorine benzofenap mixture to chufa
The thiophene ketone sulphur of table 3 is grand with synergy effect of the smart glufosinate-ammonium mixture to lamb's-quarters
The thiophene ketone sulphur of table 4 is grand with synergy effect of chlorine the third pyrimidine acid mixture to field bindweed
Synergy effect of the thiophene ketone sulphur Long Yu metamifops mixtures of table 5 to moleplant seed
The thiophene ketone sulphur of table 6 is grand with synergy effect of the pinoxaden mixture to wild oat
The synergy effect that the thiophene ketone sulphur of table 7 is grand, pinoxaden is careless with smart glufosinate-ammonium sodium salt mixture Dui Wang
The thiophene ketone sulphur of table 8 is grand, the pyrimidine acid of chlorine third and synergy effect of the tiafenacil mixtures to digitaria ciliaris
The synergy effect that thiophene ketone sulphur is grand for table 9, flucetosulfuron and chlorine Fampridine acid mixture are to 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 that thiophene ketone sulphur is grand.
3. herbicidal composition as claimed in claim 1, it is characterised in that described active component B is pinoxaden, fluorine pyrrole
Humulone, flucetosulfuron, chlorine Fampridine Suan, metamifops, smart glufosinate-ammonium, the pyrimidine acid of chlorine third, one kind in tiafenacil or
More than one combinations.
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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CN107810962A (en) * | 2017-12-08 | 2018-03-20 | 北京科发伟业农药技术中心 | The Herbicidal combinations of flumetsulam containing benzene and chlorine Fampridine acid |
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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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