CN104663697B - Herbicidal combinations and application thereof - Google Patents
Herbicidal combinations and application thereof Download PDFInfo
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- CN104663697B CN104663697B CN201510122999.1A CN201510122999A CN104663697B CN 104663697 B CN104663697 B CN 104663697B CN 201510122999 A CN201510122999 A CN 201510122999A CN 104663697 B CN104663697 B CN 104663697B
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- flazasulfuron
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
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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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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations and application thereof, relate to technical field of pesticide combination.The effective ingredient of described Herbicidal combinations comprises component A, component B；Wherein, A is flazasulfuron or its salt, and B is at least one in fenoxaprop-P-ethyl, azoles acyl grass amine；Described component A is 50 1:1 50 with the weight ratio of component B.The Herbicidal combinations of the present invention has the feature of four aspects: 1. said composition can effectively reduce the amount of application of each single dose, and quick-acting is fast, and the lasting period is long, delays the Drug resistance of plant；2. said composition can prevent and kill off above the average age for marriage broad leaved weed, dried tuber and the grassy weed of below 7 leaves efficiently, has synergistic function；3. said composition can expand weed control spectrum；4. said composition is to lawn high safety.
Description
Technical field
The invention belongs to technical field of pesticide combination, relate to Herbicidal combinations and application thereof.
Background technology
Along with rapid development of economy, people are more and more higher to the requirement of urban afforestation, and domestic lawn area is the most continuous
Increasing, in lawn, preventing and kill off of weeds becomes the difficult problem that turf management personnel are maximum.Now the weeds in lawn mostly are and manually pull out
Removing, put into big, efficiency is low, weak effect.Spraying safely and effectively herbicide is the effective measures controlling turf weed.
Flazasulfuron, English name is flazasulfuron, chemical name be 1-(4,6-dimethoxypyridin-2-base)-
3-(3-trifluoromethyl-2-pyridine sulfonyl sulfonyl) urea, molecular weight is 407.32, and chemical formula is C13H12F3N5O5S, its structure such as formula I
Shown in.Medicament rapidly by stem and leaf and the Root Absorption of weeds, and can conduct to whole strain weeds, mainly suppresses acetolactate synthestase
(ALS) synthesis of the branched-chain amino acid (leucine, isoleucine) in activity, and then suppression weeds body, hinders protein
Synthesis and other metabolic process, cause weeds dead.To the barnyard grass of broadleaved herb, dried tuber and grassy weed, Herba Setariae Viridis effect relatively
Good, but poor to effects such as Herba Eleusines Indicae, Herba Digitariae, Semen Euphorbiaes.
Fenoxaprop-P-ethyl is to belong to aryloxyphenoxypropionate class herbicide, and English name is fenoxaprop-P-
Ethyl, Draft), trade name: galloping horse, Puma Super；Prestige is seized by force, whip Super.CAS registration number is 71283-80-
2；113158-40-0 (sour).Chemical name is (R)-2-[4-(6-chloro-1,3-benzothiazole-2-epoxide) phenoxy group] propanoic acid second
Ester, molecular formula is C18H16ClNO5, molecular weight is 361.78, and its structure is as shown in formula II.Mainly closed by suppression fatty acid
Key enzyme one acetyl-CoA carboxylase become, thus inhibit the synthesis of fatty acid.Medicament is the most mitogenetic by stem and leaf Assimilation and conductivity
Tissue and the growing point of root, effect rapidly, stops growing for after dispenser 2-3 days, 5-6 days lobus cardiacus chlorosis purpling colors, and separate living tissue becomes
Brown, blade is the most withered, is the extremely strong stem and leaf inorganic agent of selectivity.Be mainly used in wheat paddock, Control Wild oat, amur foxtail,
The annual gramineous weeds such as Herba Setariae Viridis, Herba bromi japonici, rye grass, annual bluegrass, barnyard grass, Herba Digitariae are invalid to broad leaved weed and dried tuber.Essence
Azoles diclofop-methyl once by Beyer Co., Ltd of the U.S. for preventing and kill off the grassy weed in field planting Gramineae lawn.
Azoles acyl grass amine belongs to aromatic oxygen-phenoxy group propionates class herbicide, and English name is metamifop, chemical name
For: (R)-2-{ (4-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group }-2 '-fluoro-N-methyl-prop anilid, molecular formula
C23H18CIFN2O4, molecular weight is 440.87, and its structure is as shown in formula III.Its mechanism of action is suppression acetyl-coa carboxylase
Enzyme, in active ingredient needs to reach plant, target can play herbicide effect.In medication few days after, there is blade face in susceptible weeds
Moving back green, Developing restraint, some weeds occurs withered after administration for 2 weeks, even dead.Azoles acyl grass amine low toxicity, to environment, to water
Rice safety.Mainly prevent and kill off transplanting and the most of annual gramineous weed of live Tanaka, such as barnyard grass, Semen Euphorbiae, Herba Digitariae and tendon Bovis seu Bubali
Grass, preventive effect reaches more than 95%.Azoles acyl grass amine can effectively prevent and kill off grassy weed, but miscellaneous to broad leaved weed and Cyperaceae
The anti-heterodyne of grass.
Defect in various degree is there is, such as continuous administration in the herbicide kind containing single-activity component on control of weeds
Rear weeds easily develop immunity to drugs, and weed control spectrum narrows, and cause the problems such as environmental pollution.
Herbicide is rationally compounding is to improve preventive effect, expands weed control spectrum or widens the use time, delaying weed community to drill
The speed replaced, reduces the resistance risk that the single use of pesticide brings, and alleviates the pollution to environment, reduces use cost and reduction removes
A kind of effective ways of grass agent residual.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of herbicidal effect is good, drug cost is low, broad weed-killing spectrum, to lawn
The significant Herbicidal combinations of prevention effect of weeds.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
Herbicidal combinations of the present invention, effective ingredient comprises component A and component B, and wherein, component A is flazasulfuron
Or its salt, component B is one or both in fenoxaprop-P-ethyl, azoles acyl grass amine, described component A and the weight ratio of component B
For 1-50:1-50；Weight ratio is 1-10:1-20 further.
Herbicidal combinations effective ingredient of the present invention can comprise flazasulfuron or its salt, fenoxaprop-P-ethyl and azoles
Acyl grass amine, its weight ratio is 1-50:1-50:1-50；Weight ratio is 1-10:1-20:1-20 further.
In Herbicidal combinations of the present invention except group of effective components exceptionally, receptible auxiliary element in pesticide is also included.
Receptible auxiliary element in pesticide, including with in effective ingredient, any one does not produces chemical action or the drug effect to the present invention
Play the component adversely affected, such as dispersant conventional use of in pesticide, diffusant, defoamer, wetting agent, disintegrating agent, tax
The auxiliary agents such as shape agent.
According to different use needs or applying environment condition, Herbicidal combinations of the present invention is in pesticide arbitrary dose
Type, as made corresponding wettable powder, suspending agent, suspended emulsion, microemulsion, water dispersible granules, oil-suspending agent etc..
Herbicidal combinations of the present invention can provide with finished product preparation form, and i.e. in Herbicidal combinations, each material has mixed
Close, or the composition of Herbicidal combinations can also provide with unit dose form, directly directly mix in bucket or tank, so before using
After be diluted to required concentration.
Herbicidal combinations of the present invention is applied to the method for controlling weeds, and its weight ratio described above scope is used and is respectively arranged with
Effect component, it is used after mixing according to the above ratio, uses the most simultaneously or use the most successively.Weeding group of the present invention
Compound, can carry out soil treatment before weeds emerge, or weeds emerge after carry out stem and leaf process.
Herbicidal combinations of the present invention, can be used for preparing the pesticidal preparations of controlling weeds.It is particularly useful for making preventing and treating
The pesticidal preparations of turf weed, especially prevents and treats the above the average age for marriage broad leaved weed of below 7 leaves, dried tuber and/or the pesticide system of grass tree weeds
Agent.
Lawn of the present invention is preferably warm-season turf.Described warm-season turf can be Korea lawn grass, Bermuda grass, sky
The lawns such as hall grass, Manila, Herba Dichodrae or eremochloa ophiuroides.
Herbicidal combinations of the present invention can be used for preventing and kill off broad leaved weed, dried tuber, grass tree weeds in lawn, and its effect is obvious
It is better than each effective ingredient flazasulfuron or its salt, fenoxaprop-P-ethyl, the single dose of azoles acyl grass amine, there is preferable application prospect
And promotional value.
The present invention passes through the compounding of two kinds of active components of different mechanism of action, different model of action, has Synergistic
Effect, it is possible to reduce pesticide dosage, reduces use cost.
It is an advantage of the invention that it will be evident that be mainly manifested in:
Herbicidal combinations the most of the present invention, without any antagonism between each composition, potentiation is notable.
2. Herbicidal combinations compares with being used alone single active ingredient, expands weed control spectrum, and herbicidal effect is more preferable.
3. Herbicidal combinations can prevent and kill off the above the average age for marriage broad leaved weed of below 7 leaves, dried tuber or grass tree weeds, can shorten weeding
The quick-acting phases, extend the lasting period, a dispenser, Ji Wucao can be saved from damage.
4. low toxicity, to people, bird, poultry and beneficial organism safety, beneficially environmental conservation and keeping ecological balance.
The most easy and simple to handle, compound synergic can reduce the usage amount of each single dose, low cost, easily promotes.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.The following stated is only the preferable embodiment of the present invention, only in order to
Explain the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, it is all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included within the scope of the present invention.
Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Make pesticide by compounding for difference agriculture the effective elements of the medicine, be to develop and develop novel pesticide at present and prevent and treat agriculturally
A kind of effective and quick way of resistance.After the pestsides synthesis of different cultivars, typically exhibit a large amount of three kinds of type of action: phase
Add effect, potentiation and antagonism.The good formula of compound synergic, it is possible to significantly improve actual prevention effect, expansion is killed
Grass spectrum, reduces the usage amount of pesticide, thus contributes to delaying drug-fast generation speed, be the important means of integrated control.
The present composition is careless for a kind of effective ingredient (A), fenoxaprop-P-ethyl or azoles acyl with flazasulfuron or its salt
Amine is another effective ingredient (B), forms binary built, combines and have obvious Synergistic work to control of weeds between them
With, and it being not only the simple superposition of two kinds of pharmacy effects, this can be clearly understood that from following test result.
(1) Toxicity Determination test
Assay method: indoor pot method, light squama Herba Kyllingae, Herba Eleusines Indicae, Herba Portulacae SANYE wholeheartedly time enter with raw spray tower of surveying
Row stem and leaf processes.After medicine, 15d measures fresh weight inhibition, calculates ED50Value, co-toxicity coefficient.Relatively flazasulfuron, essence oxazole dogstail
Spirit, metamifop single dose and they compounding after activity of weeding, determine optimum proportioning scope.
Evaluating two yuan of herbicide mode of applications by Sun Pei cloud co-toxicity coefficient method, formula is as follows:
In formula:
ATI mixture actual measurement toxicity index；
The ED50/90 of S standard agent；
The ED50/90 of M mixture；
TTI=A × PA+B×PB
In formula:
TTI mixture theory toxicity index；
A A medicament toxicity index；
B B medicament toxicity index；
PA A medicament percentage composition in mixture；
PB B medicament percentage composition in mixture；
In formula:
CTC co-toxicity coefficient；
ATI mixture actual measurement toxicity index；
TTI mixture theory toxicity index.
Criterion: CTC ＞ 120 is potentiation；CTC ＜ 80 is antagonism；80 ＜ CTC ＜ 120 are summation action.
Table 1 Toxicity Determination test (one)
Toxicity Determination result table 1 shows, in the range of A:B weight ratio 50-1:50-1, and flazasulfuron and essence azoles
After diclofop-methyl is compounding, there is obvious synergistic function；A:B weight ratio is that in the range of 50-1:50-1, co-toxicity coefficient is more than
In the range of 120, particularly A:B weight ratio is 1-10:20-1, co-toxicity coefficient is more notable more than 180.1 synergistic effects.The present invention's
Drug effect is significantly better than respective single dose routine tests effect, and can expand weed control spectrum.
Table 2 Toxicity Determination test (two)
Toxicity Determination result table 2 shows, in the range of A:B weight ratio 50-1:50-1, and flazasulfuron and azoles acyl
After grass amine is compounding, there is obvious synergistic function；A:B weight ratio is that in the range of 50-1:50-1, co-toxicity coefficient is more than
In the range of 120, particularly A:B weight ratio is 1-10:20-1, co-toxicity coefficient is more notable more than 211.5 synergistic effects.The present invention's
Drug effect is significantly better than respective single dose routine tests effect, and can expand weed control spectrum.
The present composition is with flazasulfuron or its salt (A) for a kind of effective ingredient, and fenoxaprop-P-ethyl (B) is that another has
Effect composition, azoles acyl grass amine are the 3rd effective ingredient (C), carry out ternary built, and control of weeds is had by ternary recompounded composite
Significantly synergistic function, and it is not only the simple superposition of three kinds of pharmacy effects, this can be clear from following test result
Chu is recognized.
Table 3 Toxicity Determination test (three)
Toxicity Determination result table 3 shows, in the range of A:B:C weight ratio 1-50:1-50:1-50, flazasulfuron or
After its salt, fenoxaprop-P-ethyl and azoles acyl grass amine ternary built, there is obvious synergistic function；A:B:C weight ratio is
In the range of 1-50:1-50:1-50, co-toxicity coefficient is more than 120, in the range of particularly A:B:C weight ratio is 1-10:1-20:1-20,
Co-toxicity coefficient is more notable more than 242.2 synergistic effects.The drug effect of the present invention is significantly better than respective single dose routine tests effect, and energy
Enough expand weed control spectrum.
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.The following stated is only the preferable embodiment of the present invention, only in order to
Explain the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, it is all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included within the scope of the present invention.
Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.Any feature disclosed in this specification, unless chatted especially
State, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is only
It it is an example in a series of equivalence or similar characteristics.
The Herbicidal combinations of the present invention can be prepared as being suitable for any one dosage form of agricultural use by known method, than
Preferably dosage form is wettable powder, aqueous emulsion, microemulsion, suspending agent, water dispersible granules.In all formula, percentage ratio is all attached most importance to
Amount percentage ratio.The processing technique of the various dosage form of the present composition is prior art, can be varied from according to different situations.
Embodiment and comparative example
One, flazasulfuron fenoxaprop-P-ethyl
Embodiment 1:25.5% flazasulfuron fenoxaprop-P-ethyl wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 1:25.5% nicosulfuron fenoxaprop-P-ethyl wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient nicosulfuron, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 2:25.5% bensulfuron-methyl fenoxaprop-P-ethyl wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient bensulfuron-methyl, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 3:25.5% rimsulfuron fenoxaprop-P-ethyl wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient rimsulfuron, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Embodiment 2:11% flazasulfuron fenoxaprop-P-ethyl microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 4:11% nicosulfuron fenoxaprop-P-ethyl microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 5:11% rimsulfuron fenoxaprop-P-ethyl microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 6:11% trifloxysulfuron fenoxaprop-P-ethyl microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Embodiment 3:20% flazasulfuron fenoxaprop-P-ethyl aqueous emulsion (1:1)
Preparation method: by flazasulfuron, fenoxaprop-P-ethyl, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium in
Preparation still stirs evenly, then puts into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear
30min.
Comparative example 7:20% pyrazosulfuron fenoxaprop-P-ethyl aqueous emulsion (1:1)
Preparation method: by pyrazosulfuron, fenoxaprop-P-ethyl, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium in
Preparation still stirs evenly, then puts into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear
30min.
Comparative example 8:20% halosulfuronmethyl fenoxaprop-P-ethyl aqueous emulsion (1:1)
Preparation method: by halosulfuronmethyl, fenoxaprop-P-ethyl, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium
Stir evenly in preparation still, then put into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear
30min.
Comparative example 9:20% thifensulfuronmethyl fenoxaprop-P-ethyl aqueous emulsion (1:1)
Preparation method: by halosulfuronmethyl, fenoxaprop-P-ethyl, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium
Stir evenly in preparation still, then put into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear
30min.
Embodiment 4:21% flazasulfuron fenoxaprop-P-ethyl suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, fenoxaprop-P-ethyl and auxiliary agent, water mixing, warp
High speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding
Suspension pesticide.
Comparative example 10:21% bensulfuron-methyl fenoxaprop-P-ethyl suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient bensulfuron-methyl, fenoxaprop-P-ethyl and auxiliary agent, water mixing, warp
High speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding
Suspension pesticide.
Comparative example 11:21% pyrazosulfuron fenoxaprop-P-ethyl suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient pyrazosulfuron, fenoxaprop-P-ethyl and auxiliary agent, water mixing, warp
High speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding
Suspension pesticide.
Comparative example 12:21% amidosulfuron fenoxaprop-P-ethyl suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient amidosulfuron, fenoxaprop-P-ethyl and auxiliary agent, water mixing, warp
High speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding
Suspension pesticide.
Embodiment 5:20.4% flazasulfuron fenoxaprop-P-ethyl water dispersible granules (1:50)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Comparative example 13:20.4% nicosulfuron fenoxaprop-P-ethyl water dispersible granules (1:50)
Preparation method: by above-mentioned formula by effective ingredient nicosulfuron, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Comparative example 14:20.4% bensulfuron-methyl fenoxaprop-P-ethyl water dispersible granules (1:50)
Preparation method: by above-mentioned formula by effective ingredient bensulfuron-methyl, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Comparative example 15:20.4% thifensulfuronmethyl fenoxaprop-P-ethyl water dispersible granules (1:50)
Preparation method: by above-mentioned formula by effective ingredient thifensulfuronmethyl, fenoxaprop-P-ethyl and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Two, flazasulfuron azoles acyl grass amine
Embodiment 6:25.5% flazasulfuron azoles acyl grass amine wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 16:25.5% bensulfuron-methyl azoles acyl grass amine wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient bensulfuron-methyl, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 17:25.5% pyrazosulfuron azoles acyl grass amine wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient pyrazosulfuron, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, i.e. can be made into corresponding Wettable pesticide powder.
Comparative example 18:25.5% promazine Sulfometuron Methyl azoles acyl grass amine wettable powder (50:1)
Preparation method: by above-mentioned formula by effective ingredient promazine Sulfometuron Methyl, azoles acyl grass amine and auxiliary agent, filler mixing,
Again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Embodiment 7:11% flazasulfuron azoles acyl grass amine microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 19:11% procarbazone azoles acyl grass amine microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 20:11% flucetosulfuron azoles acyl grass amine microemulsion (10:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Embodiment 8:20% flazasulfuron azoles acyl grass aqueous amine Emulsion (1:1)
Preparation method: by flazasulfuron, azoles acyl grass amine, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium in joining
Still processed stirs evenly, then puts into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear 30min
?.
Comparative example 21:20% pyrazosulfuron azoles acyl grass aqueous amine Emulsion (1:1)
Preparation method: by pyrazosulfuron, azoles acyl grass amine, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium in joining
Still processed stirs evenly, then puts into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear 30min
?.
Comparative example 22:20% bensulfuron-methyl azoles acyl grass aqueous amine Emulsion (1:1)
Preparation method: by bensulfuron-methyl, azoles acyl grass amine, C9, fatty alcohol-polyoxyethylene ether, dodecyl sodium sulfonate ammonium in joining
Still processed stirs evenly, then puts into unclassified stores in proportion, after stirring 1 hour, use high-speed shearing machine 6000r/min to shear 30min
?.
Embodiment 9:21% flazasulfuron azoles acyl grass amine suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, azoles acyl grass amine and auxiliary agent, water mixing, through height
Speed shear-mixed is uniform, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding outstanding
Floating agent pesticide.
Comparative example 23:21% bensulfuron-methyl azoles acyl grass amine suspending agent (1:20)
Preparation method: by above-mentioned formula by effective ingredient bensulfuron-methyl, azoles acyl grass amine and auxiliary agent, water mixing, through height
Speed shear-mixed is uniform, by sand mill sand milling 2-3 hour so that it is mean diameter, below 5 microns, i.e. can be made into corresponding outstanding
Floating agent pesticide.
Embodiment 10:20.4% flazasulfuron azoles acyl grass aqueous amine dispersible granule (1:50)
Preparation method: by above-mentioned formula by effective ingredient flazasulfuron, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Comparative example 24:20.4% nicosulfuron azoles acyl grass aqueous amine dispersible granule (1:50)
Preparation method: by above-mentioned formula by effective ingredient nicosulfuron, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Comparative example 25:20.4% pyrazosulfuron azoles acyl grass aqueous amine dispersible granule (1:50)
Preparation method: by above-mentioned formula by effective ingredient pyrazosulfuron, azoles acyl grass amine and auxiliary agent, filler mixing, machine
Again through comminution by gas stream, mix homogeneously after tool pulverizing, add water through pelletize, and dry, i.e. can be made into corresponding water dispersible granules.
Three, flazasulfuron fenoxaprop-P-ethyl azoles acyl grass amine
Embodiment 11:26% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass aqueous amine dispersible granule (1:50:1)
Preparation method: by effective ingredient flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine and help by above-mentioned formula
Agent, filler mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, and i.e. can be made into corresponding
Water dispersible granules.
Embodiment 12:22% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass amine wettable powder (1:1:20)
Preparation method: by effective ingredient flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine and help by above-mentioned formula
Agent, filler mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
Embodiment 13:22% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass amine microemulsion (1:20:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Embodiment 14:15% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass aqueous amine Emulsion (1:1:1)
Preparation method: by flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine, C9, fatty alcohol-polyoxyethylene ether, 12
Alkyl sulfonic acid ammonium stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, uses high-speed shearing machine
6000r/min shears 30min.
Embodiment 15:31% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass amine suspending agent (10:20:1)
Preparation method: by effective ingredient flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine and help by above-mentioned formula
Agent, water mixing, through high speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter is below 5 microns, i.e.
Can be made into corresponding suspension pesticide.
Embodiment 16:31% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass aqueous amine dispersible granule (10:1:20)
Preparation method: by effective ingredient flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine and help by above-mentioned formula
Agent, filler mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, add water through pelletize, and dry, and i.e. can be made into corresponding
Water dispersible granules.
Embodiment 17:30.3% flazasulfuron fenoxaprop-P-ethyl azoles acyl grass amine can wet type powder (50:1:50)
Preparation method: by effective ingredient flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine and help by above-mentioned formula
Agent, filler mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding Wettable pesticide powder.
(2) the pesticidal preparations field control effectiveness test one that prepared by previous embodiment
Reagent agent: three in re-compounded binary herbicide in embodiment 1～10, comparative example 1～25, embodiment 11～17
Unit's complex weedicide.
Comparison medicament: flazasulfuron, fenoxaprop-P-ethyl, azoles acyl grass amine single dose
Prevent and kill off object: lawn advantage weeds, water peanut, buttercup, Herba Eleusines Indicae, light squama Herba Kyllingae, Rhizoma Cyperi.
Test method: according to the area of experimental plot, the good each medicament of precise, after being watered dilution, utilize backpack to spray
Day with fog, carries out even spraying.The Fan spray head that sprinkler selection weeding is special, sprays the afternoon selecting fine day calm.Spraying
Time medicinal liquid is uniformly sprayed application in experimental plot, accomplish not respray, drain spray.
After off-test, after medicine, 5d, 10d, 20d, 30d, 45d observe weeds death condition respectively, and from each community
Take 1 square meter at random and carry out weeds mortality survey, calculate preventive effect.
Table 4 field control effectiveness test
Result of the test shows as shown in table 4, and the present invention is by flazasulfuron and fenoxaprop-P-ethyl, flazasulfuron and azoles acyl
Grass amine binary built, flazasulfuron, fenoxaprop-P-ethyl and azoles acyl grass amine ternary built, 20d preventive effect and respective list after medicine
Agent is compared, and expands preventing and treating grass spectrum, all has the weeds particularly preventive effect of light squama Herba Kyllingae, Herba Eleusines Indicae etc. and significantly carry
Height, and each medicament that the preventive effect of mixture preparation is all better than in comparative example.
(3) the pesticidal preparations field control effectiveness test two that prepared by previous embodiment
Test condition is with field control effectiveness test one.
Table 5 embodiment and comparative example field control effectiveness test
After flazasulfuron is compounded by the present invention with fenoxaprop-P-ethyl, 10d, 20d after medicine, compare it to barnyard grass, Rhizoma Cyperi
Prevention effect.Result of the test shows, in the range of weight ratio 50:1～1:50, particularly in weight ratio 10 as shown in table 5:
In the range of 1-1:20, after flazasulfuron and fenoxaprop-P-ethyl are compounding, prevention effect be better than fenoxaprop-P-ethyl with other
The preventing and treating that sulfonylurea herbicide (such as rimsulfuron, bensulfuron-methyl, nicosulfuron, thifensulfuronmethyl, halosulfuronmethyl etc.) is compounding
Effect.Owing to length is limited, only list the most representational sulfonylurea herbicide sulfonylurea herbicide rimsulfuron,
Bensulfuron-methyl, nicosulfuron, thifensulfuronmethyl, trifloxysulfuron, halosulfuronmethyl are compounding with fenoxaprop-P-ethyl carries out preventive effect pair
Than (as shown in table 5).
Table 6 embodiment and comparative example field control effectiveness test
After flazasulfuron is compounded by the present invention with azoles acyl grass amine, 10d, 20d after medicine, compare it to Semen Euphorbiae, light squama water
The prevention effect of Scolopendra.Result of the test shows, in the range of weight ratio 50:1～1:50, particularly in weight as shown in table 6
In the range of 10:1-1:20, after flazasulfuron and azoles acyl grass amine are compounding, prevention effect be better than azoles acyl grass amine with other
The preventing and treating that sulfonylurea herbicide (such as rimsulfuron, bensulfuron-methyl, procarbazone, promazine Sulfometuron Methyl, pyrazosulfuron etc.) is compounding
Effect.Owing to length is limited, only list the most representational sulfonylurea herbicide sulfonylurea herbicide rimsulfuron,
Bensulfuron-methyl, nicosulfuron are compounding with azoles acyl grass amine carries out preventive effect contrast (as shown in table 6).
(4) the pesticidal preparations field control effectiveness test three that prepared by previous embodiment
Test condition is with field control effectiveness test one
Table 7 embodiment field control effectiveness test
The result of the test of table 7 shows, the present invention uses flazasulfuron and fenoxaprop-P-ethyl, flazasulfuron and azoles acyl grass
Amine binary built, flazasulfuron, fenoxaprop-P-ethyl and azoles acyl grass amine ternary built, described built agent relatively single dose has substantially
Synergistic function, not only can strengthen the preventive effect to weeds, and the control grass time can be extended.
(5) the pesticidal preparations field control effectiveness test four that prepared by previous embodiment
Reagent agent: 8 kinds of complex weedicides in embodiment 1,4,6,8,10,11,13,17.
For studying thing: lawns such as Korea lawn grass, Bermuda grass, paradise grass, Manila or eremochloa ophiuroides.
Dispenser period: become the level ground phase (i.e. after Seedling 50 days).
Test method: according to the area of experimental plot, the good each medicament of precise, after being watered dilution, utilize backpack to spray
Day with fog, carries out even spraying.The Fan spray head that sprinkler selection weeding is special, sprays the afternoon selecting fine day calm.Spraying
Time medicinal liquid is uniformly sprayed application in experimental plot, accomplish not respray, drain spray.The growth feelings on lawn are observed in 1～25d after medicine
Condition, observes whether lawn has poisoning.
Table 8 field control effectiveness test (safety)
| Medicament title | Effective dose | Korea lawn grass | Bermuda grass | Paradise grass | Manila | Eremochloa ophiuroides |
| g a.i/667m2 | ||||||
| Embodiment 1 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 4 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 6 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 8 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 9 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 10 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 11 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 12 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 13 | 3 | Safety | Safety | Safety | Safety | Safety |
| Embodiment 17 | 3 | Safety | Safety | Safety | Safety | Safety |
The result of the test of table 8 shows, the present invention uses flazasulfuron and fenoxaprop-P-ethyl, flazasulfuron and azoles acyl grass
After amine binary built, flazasulfuron, fenoxaprop-P-ethyl and azoles acyl grass amine ternary built, to Korea lawn grass, Bermuda grass, paradise
The whole safety of warm-season turf such as grass, Manila, eremochloa ophiuroides or Herba Dichodrae.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (10)
1. a Herbicidal combinations, it is characterised in that effective ingredient comprises component A and component B, and wherein, component A is flazasulfuron
Or its salt, component B is fenoxaprop-P-ethyl, and the weight ratio of described component A and component B is 50-1:1-50.
Herbicidal combinations the most according to claim 1, it is characterised in that described component A is 1-with the weight ratio of component B
10:1-20。
Herbicidal combinations the most according to claim 1, it is characterised in that effective ingredient comprises flazasulfuron or its salt, essence
Azoles diclofop-methyl and azoles acyl grass amine, its weight ratio is 1-50:1-50:1-50.
Herbicidal combinations the most according to claim 3, it is characterised in that effective ingredient comprises flazasulfuron or its salt, essence
Azoles diclofop-methyl and azoles acyl grass amine, its weight ratio is 1-10:1-20:1-20.
5. according to the arbitrary described Herbicidal combinations of Claims 1-4, it is characterised in that in described Herbicidal combinations possibly together with
Pesticidal preparations auxiliary element, to make the dosage form being suitable for agriculturally using.
Herbicidal combinations the most according to claim 5, it is characterised in that described pesticidal preparations auxiliary element is solvent, breast
One or more in agent, dispersant, stabilizer, antifreezing agent or wetting agent；The dosage form of described Herbicidal combinations is wettability
Powder, aqueous emulsion, microemulsion, suspending agent or water dispersion granule.
7. the application of the arbitrary described Herbicidal combinations of claim 1 to 6, it is characterised in that for preparing the agriculture of controlling weeds
Medicine preparation.
The application of Herbicidal combinations the most according to claim 7, it is characterised in that be used for preparing in preventing and treating lawn 7 leaves with
Under the pesticidal preparations of above the average age for marriage broad leaved weed, dried tuber and grassy weed.
The application of Herbicidal combinations the most according to claim 8, it is characterised in that described lawn is warm-season turf.
10. the application process of the arbitrary described Herbicidal combinations of claim 1 to 6, it is characterised in that each component of effective ingredient
Using with above-mentioned weight ratio, it is used after mixing according to the above ratio, uses the most simultaneously or use the most successively.
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