CN104585189B - Herbicidal combinations containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam - Google Patents
Herbicidal combinations containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam Download PDFInfo
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- CN104585189B CN104585189B CN201410823083.4A CN201410823083A CN104585189B CN 104585189 B CN104585189 B CN 104585189B CN 201410823083 A CN201410823083 A CN 201410823083A CN 104585189 B CN104585189 B CN 104585189B
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Abstract
The present invention relates to a kind of Herbicidal combinations containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam, its active ingredient is fluorine chloropyridine ester, pyraflufen-ethyl, pyroxsulam, and fluorine chloropyridine ester, pyraflufen-ethyl, the ratio of weight and number of three kinds of active ingredient of pyroxsulam are 1~10:1~10:1~10；Herbicidal combinations of the present invention have synergistic function, prevent and kill off the positive effect of wheat paddock annual grassy weeds and are used alone better than each single dose, expand herbicide controlling spectrum, while reduce Pesticide use amount, alleviate the pollution to environment, have delayed the generation of herbicide resistance.
Description
Technical field
It is specifically a kind of with fluorine chloropyridine ester and pyrrole grass the present invention relates to agricultural chemicals Herbicidal combinations and its application field
Ether and pyroxsulam are active ingredient ternary weeding composition, are mainly used in and prevent and kill off wheat paddock annual grassy weeds.
Background technology
At present, chemical prevention is still the means main in the Farmland weed comprehensive regulation.It is but long-term continuous high
Apply single chemical herbicide dosage, easily cause environmental pollution, anti-medicine is also easy to produce to crop generation poisoning and weeds
The problems such as property.Simultaneously as mutually complexity, species are various for grass when weeds in field occurs, such as grassy weed, broad leaved weed weeds
Mixing occurs, and the use of single variety can not effectively solve the defects of this problem, can show in a certain respect.Reasonably
Chemical herbicide compounding, which has, to be expanded herbicidal spectrum, improves prevention effect, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, subtract
Remain less, delay many advantages, such as drug-fast generation is with development.It can be seen that chemical herbicide compounding is to solve the above problems most
For one of effective method.
Fluorine chloropyridine ester (halauxifen-methyl)：Belong to pyridine carboxylic acid class herbicide, the mechanism of action is auxins
Growth inhibitor, it is mainly used in preventing and treating the broad leaved weed in wheat paddock, especially has to clearvers, chickweed and cannabis weeds
Special efficacy, it can be planted by microorganism fast degradation in the environment and provide larger flexibility for succeeding crop.
Pyraflufen-ethyl (pyraflufen-ethyl)：Belong to phenylpyrazole class contact killing type herbicide, its mechanism of action is
Suppress the protoporphyrin oxidizing ferment in plant, and using wheat and weeds to different activities produced by medicine absorption and the difference deposited
Metabolin, reach optionally prevent and treat wheat paddock broad leaved weed purpose.
Pyroxsulam (pyroxsulam)：Belong to sulfonamides herbicide, the mechanism of action is ALS inhibitor, available for small
The grassy weeds such as wheatland Control Wild oat, bromegrass, amur foxtail, Alopecurus, hard grass and Veronica, shepherd's purse, wild old stork
The broad leaved weeds such as grass.
Variety classes herbicide mixture, has that herbicidal spectrum is wide, lifts actual effect, delays herbicide resistance, time and labour saving
Advantage.Screened by formulation of pesticide, actual prevention effect can be effectively improved, reduced dosage, reduce cost, delay the anti-medicine of weeds
Property generation, be agricultural synthesis administer important means.Ternary of the present inventor to fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam
Compounding use has made intensive studies, on the basis of the screening of substantial amounts of formula indoor and field medicine effect test, unexpectedly
It was found that fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam carry out ternary built, to amur foxtail, shepherd's purse in the range of certain compound proportion
A variety of wheat paddock annual grassy weeds such as dish show significant synergistic function, after further study, complete the present invention.
The relevant report of fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam ternary built is not yet found at present.
The content of the invention
It is an object of the invention to provide one kind to have notable synergistic function, expansion herbicide controlling spectrum, use cost low, anti-
Control that effect is good, Wheat field weeding composition of safety and environmental protection.
Realizing the technical scheme of the object of the invention is：A kind of Herbicidal combinations, active ingredient are fluorine chloropyridine ester, pyrrole grass
Ether, pyroxsulam, fluorine chloropyridine ester, pyraflufen-ethyl, the ratio of weight and number of three kinds of active ingredient of pyroxsulam are 1~10:1~10:1
~10, fluorine chloropyridine ester, pyraflufen-ethyl, the percentage by weight of the weight summation of three kinds of active ingredients of pyroxsulam in the composition are
5%~95%, remaining is agriculturally acceptable insecticides adjuvant.
Described Herbicidal combinations can be aided according to well known to a person skilled in the art method from suitable pesticidal preparations
Composition, the suitable agriculture such as oil-suspending agent, aqueous suspension agent, microemulsion, wettable powder, water dispersible granules and aqueous emulsion can be processed into
The application forms used in industry production.
The auxiliary element that the present invention uses include wetting agent, stabilizer, dispersant, disintegrant, thickener, pH adjusting agent,
Defoamer, antifreezing agent, filler etc., all it is the auxiliary agent commonly used in Pesticide formulation, specific composition and dosage are according to recipe requirements
It is determined by experiment.
Herbicidal combinations provided by the invention, annual grassy weeds is prevented and kill off suitable for wheat paddock.
The frequency of administration of Herbicidal combinations provided by the invention and amount of application with crops, weeds, weather condition change and
There are small variations, the purpose effectively prevented and treated can be reached by using appropriate dosage.
Product described in the invention can be provided in the form of finished product preparation, i.e., each material is blended in composition, group
The composition of compound can also single dose form provide, directly mixed using preceding in tank or bucket, be then diluted to required for it is dense
Degree.
Herbicidal combinations provided by the invention have the advantages that：
1st, Herbicidal combinations provided by the invention, obvious synergy or summation action are shown in certain ratio range,
Composition is significantly improved to the prevention effect of weeds than single dose, reduces the dosage of agricultural chemicals, reduces times for spraying,
Drug cost is reduced, reduces adverse effect of the agricultural chemicals to ecological environment.
2nd, Herbicidal combinations provided by the invention, the combination of three kinds of active ingredient, herbicidal spectrum, a drug are expanded
Solve weed problem, compensate for single dose use when the defects of and limitation.
3rd, Herbicidal combinations provided by the invention, three kinds of active ingredient mechanism of action are not quite identical, can overcome long-term
Single use easily produces the shortcomings that resistance, extends the service life of medicament, and the comprehensive regulation to Weed Resistance has important meaning
Justice.
4th, Herbicidal combinations provided by the invention, drug effect play rapidly, and lasting period length, use cost is low, easy to use, saves
Shi Shengli, its popularization and application have huge economic benefit and social benefit.
Embodiment
Essence for a better understanding of the present invention, present disclosure is described further with reference to embodiment,
But limitation of the present invention can not be considered as, it is as described below to be only used for explaining the present invention, for without departing from spirit of the invention and principle
Modification, replacement or the improvement made, belong to the scope of protection of present invention.
Example of formulations
Active ingredient uses 93% fluorine chloropyridine ester active compound, 95% pyraflufen-ethyl active compound and 96.5% pyridine in following examples
Sulphur grass amine active compound, each component percentage composition is weight percentage.
Example of formulations 1：64% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water dispersible granules.
Fluorine chloropyridine ester 20%, pyraflufen-ethyl 20%, pyroxsulam 24%, alkylnaphthalene sulfonate 5%, methyl naphthalene sulfonic acid sodium
Formaldehyde condensation products 5%, to methoxyl group fatty acyl anilinesulfonic acid 5%, sodium hexametaphosphate 3%, hydroxyethyl cellulose 0.5%,
Silicone oil 0.1%, anhydrous calcium chloride 0.1%, diatomite supplies 100%.By above-mentioned active ingredient, wetting agent, dispersant, disintegration
Agent, binding agent, defoamer, stabilizer and solid carrier are well mixed, and are crushed with micro jet, through mediating, Ran Houjia
It is granulated, dried, sieved in fluidized bed granulating and drying machine, you can 64% fluorine chloropyridine ester pyraflufen-ethyl pyridine sulphur grass is made
Aqueous amine dispersible granule.
Example of formulations 2：50% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water dispersible granules.
Fluorine chloropyridine ester 20%, pyraflufen-ethyl 15%, pyroxsulam 15%, sldium lauryl sulfate 5%, dibutyl naphthalenesulfonic acid first
Aldehyde condensate 5%, to methoxyl group fatty acyl anilinesulfonic acid 5%, sodium hexametaphosphate 3%, polyvinyl acetate 0.5%, the last of the ten Heavenly stems
Acid 0.1%, anhydrous calcium chloride 0.1%, diatomite supplies 100%.By above-mentioned active ingredient, wetting agent, dispersant, disintegrant,
Binding agent, defoamer, stabilizer and solid carrier are well mixed, and are crushed with micro jet, through mediating, then add stream
Change and be granulated in bed granulating and drying machine, dry, sieve, you can 50% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water is made
Dispersible granule.
Example of formulations 3：80% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam wettable powder.
Fluorine chloropyridine ester 25%, pyraflufen-ethyl 25%, pyroxsulam 30%, aerosol-OT salt 3%, dibutyl naphthalene
Sodium sulfonate 5%, to methoxyl group fatty acyl anilinesulfonic acid 5%, attapulgite supplies 100%.By above-mentioned active ingredient, moistening
Agent, dispersant and solid carrier mix, and are well mixed again through air-flow crushing after mechanical crushing, you can 80% fluorine chloropyridine is made
Ester pyraflufen-ethyl pyroxsulam wettable powder.
Example of formulations 4：60% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam wettable powder.
Fluorine chloropyridine ester 27%, pyraflufen-ethyl 15%, pyroxsulam 18%, Morwet EFW 5%, sldium lauryl sulfate
5%th, epoxidized polyether 5%, bentonite supply 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, machine
It is well mixed again through air-flow crushing after tool crushing, you can 60% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam wettable is made
Pulvis.
Example of formulations 5：20% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam oil-suspending agent.
Fluorine chloropyridine ester 9%, pyraflufen-ethyl 5%, pyroxsulam 6%, calcium dodecyl benzene sulfonate 5%, fatty alcohol polyoxy second
Alkene ether 5%, naphthalene sulfonic acid condensate sodium salt 10%, to methoxyl group fatty acyl anilinesulfonic acid 5%, xanthans 2%, corn oil is supplied
100%.Above-mentioned active ingredient, emulsifying agent, dispersant, thickener and liquid-carrier are disperseed through high speed shear, sand in sand mill
After mill, the high dispersive, the stable suspension system that are formed in non-water-medium, you can 20% fluorine chloropyridine ester pyrrole grass is made
Ether pyroxsulam oil-suspending agent.
Example of formulations 6：32% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam oil-suspending agent.
Fluorine chloropyridine ester 10%, pyraflufen-ethyl 10%, pyroxsulam 12%, ethoxylated castor oil 5%, alkylaryl polyoxy
Ethene polyethenoxy ether 5%, epoxidized polyether 10%, to methoxyl group fatty acyl anilinesulfonic acid 5%, polyvinyl acetate 2%, it is beautiful
Rice bran oil supplies 100%.Above-mentioned active ingredient, emulsifying agent, dispersant, thickener and liquid-carrier are disperseed through high speed shear, sand
After being sanded in grinding machine, the high dispersive, the stable suspension system that are formed in non-water-medium, you can 32% fluorine chloropyridine is made
Ester pyraflufen-ethyl pyroxsulam oil-suspending agent.
Example of formulations 7：30% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam microemulsion.
Fluorine chloropyridine ester 15%, pyraflufen-ethyl 10%, pyroxsulam 5%, loose base oil 10%, sec-Butyl Acetate 10%, benzene second
Base phenol polyoxyethylene polyoxypropylene ether 10%, epoxidized soybean oil 2%, organosilicon 1%, thiophene ketone 2%, deionized water is supplied
100%.Active ingredient is completely dissolved with solvent, emulsifying agent, stabilizer, bleeding agent, synergist is then added and is well mixed,
Deionized water is eventually adding, after being sufficiently stirred, you can 30% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam microemulsion is made.
Example of formulations 8：35% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam microemulsion.
Fluorine chloropyridine ester 15%, pyraflufen-ethyl 10%, pyroxsulam 10%, ethanol 10%, sec-Butyl Acetate 10%, alkyl virtue
Base polyoxyethylene polyoxypropylene ether 10%, epoxidized soybean oil 2%, organosilicon 1%, thiophene ketone 2%, deionized water supplies 100%.Will
Active ingredient is completely dissolved with solvent, is then added emulsifying agent, stabilizer, bleeding agent, synergist and is well mixed, is eventually adding
Deionized water, after being sufficiently stirred, you can 35% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam microemulsion is made.
Example of formulations 9：40% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam aqueous emulsion.
Fluorine chloropyridine ester 15%, pyraflufen-ethyl 15%, pyroxsulam 10%, alkylaryl polyoxyethylene polyoxypropylene ether again
10%th, fatty acid methyl ester 10%, sec-Butyl Acetate 10%, propane diols 2%, silicone oil 0.5%, Arabic gum 0.2%, sodium benzoate
0.1%, deionized water complements to 100%.First active ingredient, emulsifying agent, solvent are mixed, dissolving turns into uniform oil
Phase.Then part water and antifreezing agent, defoamer, thickener, preservative are mixed again, dissolving turns into uniform aqueous phase.
Then in a kettle high-speed stirred while aqueous phase is added to oil phase, slowly add water to and reach phase inversion point, carry out afterwards high
Speed shearing, and remaining water is added, shear about 30min, you can 40% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water is made
Emulsion.
Example of formulations 10：45% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam aqueous emulsion.
Fluorine chloropyridine ester 15%, pyraflufen-ethyl 20%, pyroxsulam 10%, alkylaryl polyoxyethylene polyoxypropylene ether again
10%th, isopropanol 10%, sec-Butyl Acetate 10%, propane diols 2%, capric acid 0.5%, carbonyl methylol alcohol 0.2%, sodium benzoate
0.1%, deionized water complements to 100%.First active ingredient, emulsifying agent, solvent are mixed, dissolving turns into uniform oil
Phase.Then part water and antifreezing agent, defoamer, thickener, preservative are mixed again, dissolving turns into uniform aqueous phase.
Then in a kettle high-speed stirred while aqueous phase is added to oil phase, slowly add water to and reach phase inversion point, carry out afterwards high
Speed shearing, and remaining water is added, shear about 30min, you can 45% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water is made
Emulsion.
Example of formulations 11：20% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam aqueous suspension agent.
Fluorine chloropyridine ester 10%, pyraflufen-ethyl 4%, pyroxsulam 6%, naphthalene sulfonic acid condensate sodium salt 3%, to methoxyl group fat
Amide groups benzene sulfonic acid 3%, aerosol-OT salt 2%, xanthans 2%, glycerine 2%, silicone oil 0.1%, benzoic acid
Sodium 0.1%, azone 1.5%, deionized water supplies 100%.By above-mentioned active ingredient, dispersant, wetting agent, thickener, antifreeze
Agent, defoamer, preservative, synergist and deionized water mixing, disperse through high speed shear, are sanded in sand mill, in water-medium
The high dispersive of middle formation, stable suspension system, you can 20% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam aqueous suspension is made
Agent.
Embodiment 12：25% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam aqueous suspension agent.
Fluorine chloropyridine ester 10%, pyraflufen-ethyl 5%, pyroxsulam 10%, to methoxyl group fatty acyl anilinesulfonic acid 3%, alkane
The sodium salt 4% of base naphthalene sulfonic acids condensation polymer, sldium lauryl sulfate 2%, sodium alginate 2%, glycerine 2%, silicone oil 0.1%, benzene first
Sour sodium 0.1%, azone 1.5%, deionized water supplies 100%.By above-mentioned active ingredient, dispersant, wetting agent, thickener, anti-
Freeze agent, defoamer, preservative, synergist and deionized water mixing, disperse through high speed shear, be sanded in sand mill, is situated between in water system
High dispersive, the stable suspension system formed in matter, you can 25% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water is made and hangs
Floating agent.
Assays Example one：Toxicity determination test.
Reagent agent：93% fluorine chloropyridine ester active compound, 95% pyraflufen-ethyl active compound and 96.5% pyroxsulam active compound.
For trying target：Amur foxtail (Alopecurus aequalis Sobol.), shepherd's purse (Capsella bursa-
pastoris(L.)Medic)。
Medicament configuration designs：Fluorine chloropyridine ester single dose is configured to 1,3,5g a.i./ha solution for standby；Pyraflufen-ethyl single dose is matched somebody with somebody
Be set to 1,3,5g.a.i./ha solution for standby；Pyroxsulam single dose is configured to 1,4,7g.a.i./ha solution for standby；Fluorine chloropyridine
Ester, pyraflufen-ethyl and pyroxsulam mixture be configured to 1+1+1,1+1+4,1+1+7,1+3+1,1+3+4,1+3+7,1+5+1,1+5+4,
1+5+7、3+1+1、3+1+4、3+1+7、3+3+1、3+3+4、3+3+7、3+5+1、3+5+4、3+5+7、5+1+1、5+1+4、5+1+
7th, 5+3+1,5+3+4,5+3+7,5+5+1,5+5+4,5+5+7g a.i./ha solution for standby.
Test method：, will be for trying 15~20, target weeds seed in the built-in quantitative soil of high 6cm, diameter 9cm polypots
Sowing is placed in greenhouse after fine earth thick 0.5~1cm of lid and cultivated, treat that weeds were grown to the 2-3 leaf phases and carry out at spraying in polypots
Reason, per alms bowl spraying liquid 1mL, often processing is repeated 4 times, and sets the processing without medicament as control.Material is tried after processing to be placed in greenhouse
Cultivate, the growing state of routine observation target weeds, target damage symptoms and growth inhibition situation are estimated after 20d, and claim on the ground
Part fresh weight, toxicity action of the medicament to target weeds is evaluated with target fresh weight inhibition.
Investigation method：Target damage symptoms and growth inhibition situation are estimated after test process 20d, and claims aerial part fresh
Weight, calculate fresh weight inhibition (%).
According to the Colby formula (predictive role of evaluation particular composition, referring to S.R.Colby, " Calculating
Synergistic and Antagonistic Responses of Herbicide combinations”Weeds 1967,
It is 15,20-22) as follows：
In formula：
A be fluorine chloropyridine ester with certain dosage when alone to the survival rate or fresh weight survival rate (%) of target weeds；
B be pyraflufen-ethyl with certain dosage when alone to the survival rate or fresh weight survival rate (%) of target weeds；
C be pyroxsulam with certain dosage when alone to the survival rate or fresh weight survival rate (%) of target weeds；
N is the herbicide kind number of mixture；
E0For three kinds of fluorine chloropyridine ester, pyraflufen-ethyl, pyroxsulam pharmacy mix when it is residual to target weeds survival rate or fresh weight
Deposit rate (%) theoretical value；
To target weeds survival rate or fresh weight remaining when E is three kinds of fluorine chloropyridine ester, pyraflufen-ethyl, pyroxsulam pharmacy mix
The observation of rate (%).
Evaluation criterion：Survival rate or fresh weight survival rate observation are less than theoretical value, that is, show as acting synergistically, and have and expect
Less than effect.
Fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam Ternary are each it can be seen from the Toxicity Determination result of table 1
Handle and theoretical value is respectively less than to the fresh weight survival rate observation of amur foxtail, illustrate that three's compounding has Synergistic work to amur foxtail
With；Fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam Ternary are respectively handled it can be seen from the Toxicity Determination result of table 2
Theoretical value is respectively less than to the fresh weight survival rate observation of shepherd's purse, illustrates that three's compounding has synergistic function to shepherd's purse.Thus
It can be seen that fluorine chloropyridine ester, pyraflufen-ethyl and pyroxsulam Ternary have reasonability and feasibility.
Table 1, each chemicals treatment are to the Toxicity Determination result of amur foxtail
Table 2, each chemicals treatment are to the Toxicity Determination result of shepherd's purse
Assays Example two：Field control effectiveness test
Carry out drug effect checking test in wheat paddock, experiment sets 10 processing altogether, and often processing sets 3 repetitions, and processing 1 is 64%
Fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam water dispersible granules (20:20:24), processing 2 is 32% fluorine chloropyridine ester pyrrole grass
Ether pyroxsulam oil-suspending agent (10:10:12), processing 3 is 80% fluorine chloropyridine ester pyraflufen-ethyl pyroxsulam wettable
Pulvis (25:25:30), processing 4 is 40% fluorine chloropyridine ester pyraflufen-ethyl water dispersible granules (20:20), processing 5 is 44% fluorine chlorine
Pyridine ester pyroxsulam water dispersible granules (20:24), processing 6 is 44% pyraflufen-ethyl pyroxsulam water dispersible granules (20:
24), processing 7 is 7.5% fluorine chloropyridine emulsifiable concentrate, processing 8 is 2% pyraflufen-ethyl suspending agent, processing 9 is 7.5% pyroxsulam water
Dispersible granule, processing 10 are control (not dispenser not weeding), and each processing weeds death condition is counted within 30 days after medicine and calculates preventive effect.
The field control effectiveness test result of table 3, each chemicals treatment eliminating weed in wheat field
As can be seen from Table 3, after medicine (processing 1, the processing 2 and processing 3) use of 30 days ternary builts to wheat paddock amur foxtail,
The preventive effect of the annual grassy weeds such as wild oat, Triticum tauschii, shepherd's purse, Descurainia sophia and clearvers is intended to be substantially higher in binary built (place
Reason 4, processing 5 and processing 6) use and single dose (processing 7, processing 8 and processing 9) is used alone, while during pilot survey
Do not find that 3 pairs of processing 1, processing 2 and processing wheats produce poisoning.As can be seen here, ternary weeding composition collaboration of the present invention
Synergistic effect is notable, is used alone compared to binary built or single dose and expands herbicide controlling spectrum, improved preventive effect, can effectively prevent and kill off wheat
The various weeds in field, to crop safety, it is worth the popularization and application in agricultural production.
Claims (4)
- A kind of 1. Herbicidal combinations containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam, it is characterised in that：Active ingredient For fluorine chloropyridine ester, pyraflufen-ethyl, pyroxsulam, fluorine chloropyridine ester, pyraflufen-ethyl, the parts by weight of three kinds of active ingredient of pyroxsulam Than for 1~10:1~10:1~10, fluorine chloropyridine ester, pyraflufen-ethyl, the weight summation of three kinds of active ingredients of pyroxsulam are combining Percentage by weight in thing is 5%~95%.
- 2. the Herbicidal combinations according to claim 1 containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam, it is special Sign is：Described Herbicidal combinations also contain pesticidal preparations auxiliary element, so as to which the application forms of suitable agricultural use are made.
- 3. the Herbicidal combinations according to claim 2 containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam, it is special Sign is：Its formulation is one in oil-suspending agent, aqueous suspension agent, microemulsion, wettable powder, water dispersible granules and aqueous emulsion Kind.
- 4. the Herbicidal combinations containing fluorine chloropyridine ester and pyraflufen-ethyl and pyroxsulam described in claim 1 are to prevent and kill off small Wheatland annual grassy weeds.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761395A (en) * | 2003-03-13 | 2006-04-19 | 巴斯福股份公司 | Synergistically acting herbicidal mixtures |
| CN101360713A (en) * | 2006-01-13 | 2009-02-04 | 美国陶氏益农公司 | 6-(poly-substituted aryl)-4-aminopicolinates and their use as herbicides |
| US8906825B2 (en) * | 2012-07-24 | 2014-12-09 | Dow Agrosciences, Llc. | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid or a derivative thereof and triazolopyrimidine sulfonamides |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761395A (en) * | 2003-03-13 | 2006-04-19 | 巴斯福股份公司 | Synergistically acting herbicidal mixtures |
| CN101360713A (en) * | 2006-01-13 | 2009-02-04 | 美国陶氏益农公司 | 6-(poly-substituted aryl)-4-aminopicolinates and their use as herbicides |
| US8906825B2 (en) * | 2012-07-24 | 2014-12-09 | Dow Agrosciences, Llc. | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid or a derivative thereof and triazolopyrimidine sulfonamides |
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