CN104542632A - Weeding composition containing sulfentrazone and flufenacet - Google Patents
Weeding composition containing sulfentrazone and flufenacet Download PDFInfo
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- CN104542632A CN104542632A CN201410843552.9A CN201410843552A CN104542632A CN 104542632 A CN104542632 A CN 104542632A CN 201410843552 A CN201410843552 A CN 201410843552A CN 104542632 A CN104542632 A CN 104542632A
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- herbicidal combinations
- flufenacet
- weeding composition
- sulfentrazone
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Abstract
The invention relates to weeding composition containing sulfentrazone and flufenacet. The ratio of two effective components in parts by weight in a preparation is (1-40): (1-60), and the total number of weight parts of the effective components accounts for 1%-80% of that of weight parts of the whole preparation. The weeding composition can be prepared in pesticide dosage forms of wettable powder, suspending agent, dispersable oil suspending agent, microemulsion, emulsion in water, granules and water dispersible granules. The weeding composition has a remarkable synergism effect, and can be used for soil treatment after planting and before seedling or stem leaf treatment after seedling to control multiple gramineous weeds, broad leaf weeds and cyperaceae weeds. The weeding composition delays generation of herbicide resistance of weeds, reduces the number of times of repeated use of pesticide and reduces the pesticide use amount and agriculture cost. The weeding composition is safe to corn crops, can also be used in a soybean field, a sunflower field and the like and is easy to degrade after the lasting period, safety of next-stubble crops by the composition is improved, and environmental pollution is reduced.
Description
Technical field
The present invention relates to technical field of pesticide combination, be specifically related to a kind of Herbicidal combinations containing sulfentrazone and flufenacet.
Background technology
Sulfentrazone, English common name: Sulfentrazone, chemical name: N-(the chloro-5-of 2,4-bis-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl) phenyl) Methanesulfomide.Sulfentrazone is sepia solid, fusing point 121 – 123 DEG C, vapour pressure 1.3 × 10-4MPa (25 DEG C), proportion is that in 1.21g/ml (20 DEG C) water, solvability is 0.11 (pH 6), 0.78 (pH 7), 16 (pH 7.5) (mg/g, 25 DEG C).Belonging to proporphyrinogen oxidase inhibitor, by suppressing proporphyrinogen oxidase, making in plant cell, to produce excessive protoporphyrin IX, the latter is sensitising agent, causes producing active oxygen in cell, finally causes cell membrane, vesicular membrane etc. to break, cell Dissolve things inside oozes out, withered dead.The process of sulfentrazone cauline leaf, soil treatment, can be used for 1 year raw broad leaved weed, grassy weed and the nutgrass flatsedges etc. such as Tanaka's controls such as corn, Chinese sorghum, soybean, peanut are led a cow, Amaranthus retroflexus, lamb's-quarters, lady's-grass, green foxtail, Siberian cocklebur.Chemical structural formula is as follows.
Flufenacet (flufenacet) is a kind of weed killer herbicide that is currently reported and that use, belongs to fragrant oxanamide class weed killer herbicide, within 1988, is developed by Bayer A.G.Chinese another name: the fluoro-N-isopropyl of 4'--2-[5-(trifluoro glycosides)-1,3,4-thiadiazole-2-imines] acetamide; The fluoro-N-isopropyl of 4'--2-(5-Trifluoromethyl-1,3,4-thiadiazoles-2-base oxygen) antifebrin, its mechanism of action is T suppression cell division and growth mainly.A large amount of field trials had once been done in area in the U.S., Europe, South Africa, Asia, South America etc., and early application before seedling and after seedling, extensively can prevent and kill off annual gramineous weed, nutgrass flatsedge and some granule broad leaved weeds.For corn, Soybean Field weeding before plantation or before seedling, before potato plantation or potato, weeding before sunflower seedling, the postemergence weed controls such as wheat, barley, paddy rice, corn.Chemical structural formula is as follows.
Sulfentrazone is mainly used in preventing and treating the multiple grassy weed in corn field and broad leaved weed, but it is poor to the preventive effect of part grassy weed and broad leaved weed, as pernicious grassy weeds such as barnyard grass, green foxtail, lady's-grass, can not the weeds of control of maize Tanaka well so be used alone sulfentrazone.When the weed killer herbicide of single active ingredient uses, affect by factors such as resistance, safety, herbicidal spectrums, its herbicidal efficacy can reduce greatly.And composite use between agricultural chemicals can the drug-fast generation of retarding action thing, has ideal result of use, therefore between the different mechanism of action, agricultural chemicals composite is the study hotspot of current pesticide field.Through the checking of a large amount of indoor biometrics and field experiment; find with sulfentrazone and flufenacet for active ingredient carry out composite after, herbicidal spectrum expands greatly, and dead careless completeness improves greatly; quick-acting is obviously strengthened; also there is certain prolongation lasting period, and dosage is lower, reduces agricultural cost; toxicity is less; residual quantity is less, to succession crop high safety, advantageously in environmental protection.Experiment confirms, both are composite has very strong synergistic effect, and can relevant sulfentrazone carry out with flufenacet two kinds of active principles the research being re-dubbed a kind of preparation, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to solve existing corn field herbicide to part grassy weed and the poor technical problem of broad leaved weed control efficiency, in order to address this problem, we devise composite corn field herbicide, not only can prevent and treat multiple grassy weed, broad leaved weed and sedge weed that sulfentrazone is used alone Shi Suoneng control, and it is very remarkable to the control synergy of part grassy weed and broad leaved weed, widen herbicide spectrum, improve the degree of safety to corn, decrease dosage, save cost accounting.
Concrete technical scheme of the present invention is: a kind of Herbicidal combinations containing sulfentrazone and flufenacet, is characterized in that:
Containing A, B two kinds of active principles in the preparation of this Herbicidal combinations, wherein component A is sulfentrazone, B component is flufenacet, all the other components in preparation outside active principle are that complementary component prepared by agricultural chemicals used additives and preparation, in the preparation of this Herbicidal combinations, the ratio of weight and number of active principle A, B is (1 ~ 40): (1 ~ 60), in Herbicidal combinations preparation, the total weight parts of active principle accounts for 1% ~ 80% of whole total formulation weight amount part, auxiliary agent 5 ~ 15%, filler 25 ~ 80%.
The invention has the beneficial effects as follows: economical and efficient, safety is high, not only can prevent and treat multiple grassy weed, broad leaved weed and sedge weed that sulfentrazone is used alone Shi Suoneng control, and it is very remarkable to the control synergy of part grassy weed and broad leaved weed, widen herbicide spectrum, after composite, can dosage have been reduced by the synergistic effect between different active ingredient, save cost accounting, slow down the generation of herbicide resistance, reduce the pollution to environment simultaneously.
Filler is any one in white carbon, kaolin, potter's clay, attapulgite, precipitated calcium carbonate, methyl oleate, esterification soybean oil, corn oil, white oil, can adsorb the active ingredient in weed killer herbicide well, reach slow release effect.
Wetting agent is any one in sodium alkyl sulfate, sodium butylnaphthalenesulfonate, sodium alkyl benzene sulfonate, alkyl phenol polyethenoxy ether sodium sulfate, can improve the moistening dispersiveness of weed killer herbicide in water.
Dispersant is any one in sodium lignin sulfonate, sodium polyphosphate, sodium methylene bis-naphthalene sulfonate, weed killer herbicide can be impelled to disperse in water, make weed killer herbicide have good stability.
Thickener is any one in aluminium-magnesium silicate, carboxymethyl cellulose, methylcellulose gum Arabic, can regulate the viscosity of suspending agent, thus reduces the sedimentation that suspending agent produces in storage process, improves the suspension stability of suspending agent.
Preservative is any one in Sodium Benzoate, Nepal's tortoise beetle ester, formaldehyde, polyhydroxy benzenes propyl formate, can prevent suspending agent from going bad mouldy, ensure the quality of suspending agent better.
Antifreezing agent is any one in ethylene glycol, propane diols, glycerine, urea, can increase the freezing tolerance of suspending agent, improves the stability of suspending agent in low-temperature storage, transportation.
Binding agent is any one in corn starch, natural gum, denaturated sodium polyacrylate, alkylaryl polyoxyethyl ether, can improve the viscosity of water dispersible granules, and consumption is less.
Disintegrant is any one in ammonium sulfate, bentonite, urea, aluminium chloride, glucose, can accelerate the disintegration rate of water dispersible granules in water, water dispersible granules is more rapid and better played a role.
Thinner is any one in kaolin, diatomite, clay, effectively can reduce the viscosity of water dispersible granules.
Stabilizing agent is any one in epoxychloropropane, Sodium Benzoate, organic acid, organic base, antioxidant, can prevent from or delay water dispersible granules to occur to decompose or physical property deterioration in storage process, keep and strengthen the stability of water dispersible granules, guarantee water dispersible granules before the deadline property indices meets the requirements.
In the preparation of above-described Herbicidal combinations, the ratio of weight and number of active principle A, B can more preferably (1 ~ 30): (1 ~ 60).
In above-described Herbicidal combinations preparation the total weight parts of active principle A, B account for the percentage of whole total formulation weight amount part can more preferably 1% ~ 80%.
The pesticidal preparations formulation that above-described Herbicidal combinations can be mixed with is wetting powder, suspending agent, dispersible oil-suspending agent, microemulsion, aqueous emulsion, granule and water dispersible granules.
When above-described Herbicidal combinations is wetting powder, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Dispersant 5 ~ 15
Wetting agent 5 ~ 10
Filler 20 ~ 65.
The concrete procedure of processing of this Herbicidal Compositions Wettable pulvis is: by above-mentioned formula by active principle A, B and the mixing of dispersant, wetting agent and filler, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of Herbicidal combinations of the present invention.
When above-described Herbicidal combinations is suspending agent, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Dispersant 4 ~ 18
Antifreezing agent 1 ~ 3
Thickener 1 ~ 5
Defoamer 0.1 ~ 1
Penetrating agent 1 ~ 10
PH value regulator 0.1 ~ 5
Water supplies 100 parts.
The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active principle A, B, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all below 5 μm, the aqueous suspension formulations of obtained Herbicidal combinations of the present invention.
This dispersibles the concrete production stage of oil-suspending agent: under the condition of the water of trace, first other auxiliary agents are mixed, mix through high speed shear, add active principle A, B, abrading-ball 2 ~ 3 hours in glass ball mill, make a diameter all at 2-4 μm, the aqueous suspension formulations of obtained Herbicidal combinations of the present invention.In preparation, the weight fraction ratio of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Auxiliary agent 15 ~ 20
Stabilizing agent 3 ~ 10
Antifreezing agent 1 ~ 5
Defoamer 0.1 ~ 3
Thickener 1 ~ 5
Vegetable oil supplies 100 parts.
When above-described Herbicidal combinations is aqueous emulsion, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Emulsifier 8 ~ 20
Solvent 7 ~ 25
Stabilizing agent 3 ~ 10
Antifreezing agent 1 ~ 5
Water supplies 100 parts.
The concrete production stage of this aqueous emulsion is: first active principle A and B, solvent and emulsifier, stabilizing agent are added together, and makes to be dissolved into uniform oil phase; Part water, antifreezing agent, defoamer are mixed uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., add thickener, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type.The i.e. aqueous emulsion of obtained Herbicidal combinations of the present invention.
When above-described Herbicidal combinations is water dispersible granules, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Dispersant 5 ~ 20
Wetting agent 7 ~ 15
Disintegrant 2 ~ 5
Filler 10 ~ 70.
The concrete procedure of processing of this Herbicidal combinations water dispersible granules is: active principle A, B and dispersant, wetting agent, disintegrant and filler are mixed by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, be i.e. the water dispersible granules of obtained Herbicidal combinations of the present invention.
When above-described Herbicidal combinations is granule, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 30
Active principle B 1 ~ 60
Wetting dispersing agent 5 ~ 20
Thickener 5 ~ 15
Defoamer 1 ~ 5
Castor oil supplies 100 parts.
Above-described emulsifier is selected from least one in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether.
The above solvent is at least one in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), water equal solvent.
Above-described defoamer is selected from: silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10at least one in aliphatic alcohols compound.
The above penetrating agent is one or both the mixture in Laurocapram, JFC.
The above pH value regulator is at least one in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or citric acid.
Above-described Herbicidal combinations preparation can effectively prevent and kill off annual gramineous weed and annual broadleaf weed, can be used safely in corn field, Soybean Field, sugarcane field, sunflower field, not only to crop safety, and to the same safety of environment.Weeds such as preventing and kill off green foxtail, lady's-grass, barnyard grass, eleusine indica, Sorghum halepense, piemarker, Siberian cocklebur, thorn amaranth, lamb's-quarters, summer cypress, knotweed, amaranth, datura, dayflower, field thistle, chickweed can be widely used in, still favorable effect is possessed to intractable grass class.
The beneficial effect of Herbicidal combinations of the present invention is: the first, and Herbicidal combinations of the present invention has remarkable synergistic effect, improves the lasting effect of each composition single dose, enhances the stability under the external environment such as different temperatures, humidity; The second, obviously delay the generation of herbicide resistance, decreased agricultural chemicals Reusability number of times, reduce Pesticide use amount, reduce agricultural cost; 3rd, this Herbicidal combinations, to multiple kinds of crops safety, is easily degraded after the lasting period in the environment, and the residual quantity of medicine on field crops is low, is more beneficial to environmental protection, improves composition to the safety of second stubble crop, significant to ecosystem environment protection.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, the following specific embodiment of the present invention is described, but the present invention is only limitted to example absolutely not.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio (comprising percentage) below mentioned is all ratio of weight and number.
The optimum weight ratio of described A, B two kinds of active ingredients is 1: 6.
Oil-suspending agent specific embodiment is dispersibled: by sulfentrazone 10 parts, atrazine 60 parts, auxiliary agent 15 parts, stabilizing agent 3 parts, antifreezing agent 1.5 parts, defoamer 1 part, thickener 2 parts, vegetable oil supplies 100 parts in the present invention.Under the condition of the water of trace, first mixed by other auxiliary agents, add active principle A, B, abrading-ball 2 ~ 3 hours in glass ball mill, makes a diameter all at 2-4 μm, and what obtain Herbicidal combinations of the present invention dispersibles oil-suspending agent.
It is as shown in the table to the preventive effect of corn field weed to dispersible oil-suspending agent embodiment in the present invention:
Test corn variety: first jade 335; Dispenser period: corn 3-5 leaf phase, weeds 2-4 leaf phase; Proving ground: corn institute of academy of agricultural sciences of Shandong Province base.
Find out by upper table, A, B of the present invention two kinds of combination of active principles dispersible oil-suspending agent is obviously better than two kinds of active ingredient single-dose product of same content preventive effect to the preventive effect of corn field weed.
Claims (2)
1. one kind contains the Herbicidal combinations of sulfentrazone and flufenacet, it is characterized in that: containing A in the preparation of this Herbicidal combinations, B two kinds of active principles, wherein component A is sulfentrazone, B component is flufenacet, all the other components in preparation outside active principle are that complementary component prepared by agricultural chemicals used additives and preparation, active principle A in the preparation of this Herbicidal combinations, the ratio of weight and number of B is (1 ~ 40): (1 ~ 60), in Herbicidal combinations preparation, the total weight parts of active principle accounts for 1% ~ 80% of whole total formulation weight amount part, auxiliary agent 5 ~ 15%, filler 25 ~ 80%.
2. a kind of Herbicidal combinations containing sulfentrazone and flufenacet according to claim 1, the pesticidal preparations formulation that this Herbicidal combinations can be mixed with is wetting powder, suspending agent, dispersible oil-suspending agent, microemulsion, aqueous emulsion, granule and water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410843552.9A CN104542632A (en) | 2014-12-30 | 2014-12-30 | Weeding composition containing sulfentrazone and flufenacet |
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| CN201410843552.9A CN104542632A (en) | 2014-12-30 | 2014-12-30 | Weeding composition containing sulfentrazone and flufenacet |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235987A (en) * | 2016-12-23 | 2018-07-03 | 山东润博生物科技有限公司 | A kind of Herbicidal combinations and its preparation and application |
| CN109006829A (en) * | 2018-11-01 | 2018-12-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and sethoxydim binary herbicidal composition and its preparation and application |
| CN109006828A (en) * | 2018-11-01 | 2018-12-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and haloxyfop-r-methyl binary herbicidal composition and its preparation and application |
| CN109122695A (en) * | 2018-11-01 | 2019-01-04 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and fenoxapropPethyl binary herbicidal composition and its preparation and application |
| CN109221143A (en) * | 2018-11-01 | 2019-01-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and clethodim binary herbicidal composition and its preparation and application |
| CN109258655A (en) * | 2018-11-01 | 2019-01-25 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and Quizalotop-ethyl binary herbicidal composition and its preparation and application |
| CN109258660A (en) * | 2018-11-01 | 2019-01-25 | 山东省农业科学院植物保护研究所 | A kind of binary herbicidal composition and its preparation and the application of humulone containing quinoline and flufenacet |
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| JPH10306005A (en) * | 1997-05-06 | 1998-11-17 | Sumitomo Chem Co Ltd | Herbicide composition |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235987A (en) * | 2016-12-23 | 2018-07-03 | 山东润博生物科技有限公司 | A kind of Herbicidal combinations and its preparation and application |
| CN109006829A (en) * | 2018-11-01 | 2018-12-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and sethoxydim binary herbicidal composition and its preparation and application |
| CN109006828A (en) * | 2018-11-01 | 2018-12-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and haloxyfop-r-methyl binary herbicidal composition and its preparation and application |
| CN109122695A (en) * | 2018-11-01 | 2019-01-04 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and fenoxapropPethyl binary herbicidal composition and its preparation and application |
| CN109221143A (en) * | 2018-11-01 | 2019-01-18 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and clethodim binary herbicidal composition and its preparation and application |
| CN109258655A (en) * | 2018-11-01 | 2019-01-25 | 山东省农业科学院植物保护研究所 | One kind humulone containing quinoline and Quizalotop-ethyl binary herbicidal composition and its preparation and application |
| CN109258660A (en) * | 2018-11-01 | 2019-01-25 | 山东省农业科学院植物保护研究所 | A kind of binary herbicidal composition and its preparation and the application of humulone containing quinoline and flufenacet |
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Application publication date: 20150429 |