CN101971824A - Fenoxaprop-p-ethyl and dicamba composition and application thereof - Google Patents
Fenoxaprop-p-ethyl and dicamba composition and application thereof Download PDFInfo
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- CN101971824A CN101971824A CN2010105371279A CN201010537127A CN101971824A CN 101971824 A CN101971824 A CN 101971824A CN 2010105371279 A CN2010105371279 A CN 2010105371279A CN 201010537127 A CN201010537127 A CN 201010537127A CN 101971824 A CN101971824 A CN 101971824A
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- fenoxaprop
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Abstract
A fenoxaprop-p-ethyl and dicamba composition contains two active ingredients: fenoxaprop-p-ethyl and dicamba. The composition preparation is prepared from fenoxaprop-p-ethyl, dicamba, a solid or liquid carrier and assistants and is used for controlling the weeds in the wheat fields. The composition has obvious additive effect, and compounding fenoxaprop-p-ethyl and dicamba can synthetically consider the joint effect types, herbicidal activities and economic cost of the two drugs.
Description
Technical field
The present invention relates to a kind of composition pesticide, said composition is the binary built composition of control of weed in wheat field, is specifically related to the composition of fenoxaprop and dicamba.The invention belongs to the technical field of pesticide herbicide.
Background technology
Fenoxaprop (chemical name: 2-[4-(6-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group] ethyl propionate) belong to phenoxy carboxylic acid herbicides, its mechanism of action is to suppress fatty acid to synthesize, and can be used for multiple dicotyledonous crops and prevents and kill off annual and perennial grassy weed.
Dicamba (chemical name: 3; 6-two chloro-O-Anisic Acids) belonging to benzoic acid is the inner sucting conduction type weed killer herbicide; cauline leaf is handled and is absorbed by the weeds root, stem and leaf behind the seedling; conduct up and down by phloem and xylem; hinder the normal activity of plant hormone and produce drug effect, be applicable to that the gramineous crop field prevents and kill off annual and perennial broadleaf weed
The present invention kills obviously difference of careless spectral limit in view of fenoxaprop and the dicamba mechanism of action different to weeds, and both are composite can to bring into play drug effect separately to greatest extent, enlarges and kills grass spectrum, reduction consumption, and improve the control efficiency to important weeds.
Summary of the invention
The present invention is exactly in order to address the above problem, and overcomes existing weed killer herbicide and kills careless spectral limit difference, promptly kills the narrow problem of careless spectral limit, and the composition and the application thereof of a kind of fenoxaprop and dicamba are provided.This invention is applicable to cornfield herbicidal.
The present composition includes fenoxaprop (Fenoxaprop-P-ethyl) and two kinds of active components of dicamba (Dicamba).The mechanism of action of two kinds of medicaments has bigger difference after fenoxaprop and dicamba are mixed, show summation action, can enlarge and kill the grass spectrum, reach the purpose of effective control wheat weeds, reduce the using dosage of medicament simultaneously, save Financial cost in the field, reduce the pollution of medicament, and improve control efficiency important weeds to environment.
For realizing that purpose of the present invention studies composition active component proportioning, the composition effect evaluation method is tested with the activity of weeding of Gowing method after to two kinds of herbicide mixtures.
The calculation of effect that is mixed formula is: E
0=X+Y-XY/100,
In the formula: the weeds preventive effect of weed killer herbicide A when X represents that consumption is P.
The weeds preventive effect of weed killer herbicide B when Y represents that consumption is Q.
E
0The theoretical preventive effect of weed killer herbicide A+B when the expression consumption is P+Q.
Press the Gowing method, work as E-E
0, illustrate that mixture herbicide produces synergistic effect at＞10% o'clock; Work as E-E
0, illustrate that mixture herbicide produces antagonism at＜-10% o'clock; Work as E-E
0Between ± 10% o'clock, illustrate that mixture herbicide produces summation action, wherein E represents the actual measurement preventive effect % that each is handled.
The technical problem that will solve required for the present invention can be achieved through the following technical solutions:
As a first aspect of the present invention, the composition of a kind of fenoxaprop and dicamba, described composition comprises active component, carrier and auxiliary agent, it is characterized in that, the active component of described composition comprises: fenoxaprop and dicamba; The ratio of weight and number of described composition Zhong fenoxaprop and dicamba is 1:6～4: 6; The content of described active component accounts for 2～95% of composition total weight percentage.
The synergistic effect degree of the amount of application the when content of active component depends on use among the present invention and the proportioning of mixture.
Conventional processing method is adopted in the processing of present composition preparation, adds one or more auxiliary agents such as emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive etc. after promptly active component being mixed with solid carrier or liquid-carrier and processes.Therefore contain one or more carriers and auxiliary agent at least in the present composition.During use, preferred formulation is selected according to actual conditions.
Wherein, described carrier comprises: solid carrier or liquid-carrier.
Further, described solid carrier comprises: one or more combinations in natural synthetic mineral such as clay, kaolin, white carbon, talcum, sulphur, active carbon, calcium carbonate, diatomite, sawdust, the methylcellulose.
Further, described liquid-carrier comprises: aromatic series or aliphatic hydrocarbon such as dimethylbenzene, trimethylbenzene, naphthalene, light oil (as kerosene), cyclohexane; Ethers such as ethylene glycol dimethyl ether; Ester class such as butyl acetate; Ketone such as cyclohexanone; Nitrile such as isobutyronitrile; Sulfoxide class such as dimethyl sulfoxide (DMSO); Amide-type such as N, dinethylformamide and N,N-dimethylacetamide; One or more combinations of vegetable oil such as soya-bean oil and cottonseed oil.
Wherein, described auxiliary agent is emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive.
Further, described emulsifier comprises nonionic emulsifier and ionic emulsifying agent.
Described nonionic emulsifier is a kind of of alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, polyol fatty acid ester and ethylene oxide adduct thereof, methyl glucoside fatty acid ester or more than one any combination.
Described ionic emulsifying agent is one or more combinations of alkylbenzenesulfonate, benzene sulfonamide amine acid salt, alkylsulfonate, alkyl sulfate, alkylnaphthalene sulfonate, arylsulphonate.
Further, described dispersant is lignosulfonates, methylcellulose, alkylsulfonate, how one or more combinations of sulfonic acid and formaldehyde condensation compound.
As a second aspect of the present invention, the application of the composition of a kind of fenoxaprop and dicamba is characterized in that, described composition is used to prevent and treat wheat weeds.
Beneficial effect of the present invention:
1, the present composition includes fenoxaprop and two kinds of active components of dicamba.After the two is mixed, show summation action, can enlarge and kill the grass spectrum, reach the purpose of effective control wheat weeds, and improve control efficiency important weeds.
2, the present invention reduces the using dosage of medicament in the field, saves Financial cost, reduces the pollution of medicament to environment simultaneously.
Embodiment
In order to make technological means of the present invention, creation characteristic, to reach purpose and effect is easy to understand,, further set forth the present invention below in conjunction with specific embodiment.But the present invention is not limited only to these examples.
Embodiment 1: the activity of composition
Adopt the greenhouse pot culture method, the different proportionings with dicamba of research fenoxaprop are used afterwards the activity of weeding to wheat paddock main weeds such as caput Cao, Wang grass, grasswort, clearvers with, the results are shown in Table 1, table 2.Table 1 is mixed to the control efficiency (%) of weeds Wei fenoxaprop and dicamba; Table 2 is mixed to the synergy type of weeds Wei fenoxaprop and dicamba.
Table 1 fenoxaprop and dicamba are mixed to the control efficiency of weeds (%)
Table 2 fenoxaprop and dicamba are mixed to the synergy type of weeds
The result show the: fenoxaprop to grassy weed caput Cao with Wang grass activity is respectively 45.0%～94.98% and 45.0%～91.3%, invalid to broad leaved weed grasswort and clearvers.Dicamba with the activity of Wang grass is respectively 24.71%～52.03% and 25.0%～52.52%, is respectively 45.0%～83.8% and 62.5～85.0% to the activity of broad leaved weed grasswort and clearvers to caput Cao.When two kinds of medicaments are mixed, remove dicamba under high dose is handled, to grass family caput Cao with outside a little antagonism of Wang grass, the effect that other proportionings are handled weeds all is a summation action, wherein best proportioning Wei fenoxaprop: dicamba=1～4: 6.
Embodiment 2: formulation examples
The 1: fenoxaprop 5% of filling a prescription, dicamba 10%, fenchlorazole 5%, sodium lignin sulfonate 2%, alkyl phenol formaldehyde resin polyoxyethylene ether 10%, white carbon 2%, xanthans 0.1%, propane diols 2%, silicone defoaming agent 0.2%, water complements to 100%.After material coarse crushing, the homogenize, after being ground to particle diameter and reaching standard-required through sand mill, filter 15% fenoxaprop dicamba suspending agent.
The 2: fenoxaprops 10% of filling a prescription, dicamba 20%, fenchlorazole 5%, methylcellulose 2%, sodium lignin sulfonate 3%, white carbon 2%, kaolin complements to 100%.Material obtains 30% fenoxaprop dicamba wetting powder after ultra-fine grinding.
The 3: fenoxaprops 5% of filling a prescription, dicamba 20%, fenchlorazole 5%, 200# solvent naphtha 20%, calcium dodecyl benzene sulfonate 3%, silicone defoaming agent 0.1%, stir after the mixing of materials, be dissolved into uniform oil phase, add ethylene glycol 5%, water complements to 100% and stirs formation 25% fenoxaprop dicamba aqueous emulsion.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (11)
1. the composition of fenoxaprop and dicamba, described composition comprises active component, carrier and auxiliary agent, it is characterized in that, the active component of described composition comprises: fenoxaprop and dicamba; The ratio of weight and number of described composition Zhong fenoxaprop and dicamba is 1: 6～4: 6; The content of described active component accounts for 2～95% of composition total weight percentage.
2. composition according to claim 1 is characterized in that, described carrier comprises: solid carrier or liquid-carrier.
3. composition according to claim 1 is characterized in that, described solid carrier is one or more combinations in clay, kaolin, white carbon, talcum, sulphur, active carbon, calcium carbonate, diatomite, sawdust, the methylcellulose.
4. composition according to claim 1 is characterized in that, described liquid-carrier is aromatic series or aliphatic hydrocarbon, ethers, ketone, nitrile, sulfoxide class as one or more combinations of, amide-type, vegetable oil such as soya-bean oil and cottonseed oil.
5. composition according to claim 4 is characterized in that; Described ethers is an ethylene glycol dimethyl ether; Described ester class is a butyl acetate; Described ketone is a cyclohexanone; Described nitrile is an isobutyronitrile; Described sulfoxide class is a dimethyl sulfoxide (DMSO); Described amide-type is N, dinethylformamide, N,N-dimethylacetamide; Described vegetable oil is one or more combinations of soya-bean oil, cottonseed oil.
6. composition according to claim 1 is characterized in that, described auxiliary agent is emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive.
7. composition according to claim 6 is characterized in that described emulsifier comprises nonionic emulsifier and ionic emulsifying agent.
8. composition according to claim 7, it is characterized in that described nonionic emulsifier is a kind of of alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, polyol fatty acid ester and ethylene oxide adduct thereof, methyl glucoside fatty acid ester or more than one any combination.
9. composition according to claim 7 is characterized in that, described ionic emulsifying agent is one or more combinations of alkylbenzenesulfonate, benzene sulfonamide amine acid salt, alkylsulfonate, alkyl sulfate, alkylnaphthalene sulfonate, arylsulphonate.
10. composition according to claim 6 is characterized in that, described dispersant is lignosulfonates, methylcellulose, alkylsulfonate, how one or more combinations of sulfonic acid and formaldehyde condensation compound.
11. the application of the composition of fenoxaprop as claimed in claim 1 and dicamba is characterized in that described composition is used to prevent and treat wheat weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105371279A CN101971824A (en) | 2010-11-09 | 2010-11-09 | Fenoxaprop-p-ethyl and dicamba composition and application thereof |
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| CN2010105371279A CN101971824A (en) | 2010-11-09 | 2010-11-09 | Fenoxaprop-p-ethyl and dicamba composition and application thereof |
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| CN101971824A true CN101971824A (en) | 2011-02-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715157A (en) * | 2012-07-09 | 2012-10-10 | 山东潍坊润丰化工有限公司 | Weeding composition containing MCPA and dicamba as well as preparation method and application of same |
| WO2019084894A1 (en) | 2017-11-03 | 2019-05-09 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| WO2019084896A1 (en) | 2017-11-03 | 2019-05-09 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| CN110024779A (en) * | 2019-05-24 | 2019-07-19 | 苏农（广德）生物科技有限公司 | A kind of fenoxapropPethyl aqueous emulsion and its preparation process |
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| WO2003024227A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| CN1589624A (en) * | 2004-03-01 | 2005-03-09 | 杭州市园林文物局花港管理处 | High fescue lawn special herbicide formula |
| CN1599555A (en) * | 2001-12-07 | 2005-03-23 | 拜尔作物科学有限公司 | Synergistic herbicidal agents |
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| WO2003024227A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| CN1599555A (en) * | 2001-12-07 | 2005-03-23 | 拜尔作物科学有限公司 | Synergistic herbicidal agents |
| CN1589624A (en) * | 2004-03-01 | 2005-03-09 | 杭州市园林文物局花港管理处 | High fescue lawn special herbicide formula |
Non-Patent Citations (1)
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| 茹德平等: "麦田除草剂应用技术", 《农业网络信息》, no. 7, 26 July 2006 (2006-07-26), pages 111 - 112 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715157A (en) * | 2012-07-09 | 2012-10-10 | 山东潍坊润丰化工有限公司 | Weeding composition containing MCPA and dicamba as well as preparation method and application of same |
| WO2019084894A1 (en) | 2017-11-03 | 2019-05-09 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| WO2019084896A1 (en) | 2017-11-03 | 2019-05-09 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| CN111246736A (en) * | 2017-11-03 | 2020-06-05 | 陶氏环球技术有限责任公司 | Solvent and pesticide formulations for agricultural applications |
| CN111246737A (en) * | 2017-11-03 | 2020-06-05 | 陶氏环球技术有限责任公司 | Solvent and pesticide formulations for agricultural applications |
| US11547112B2 (en) | 2017-11-03 | 2023-01-10 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| US11617366B2 (en) | 2017-11-03 | 2023-04-04 | Dow Global Technologies Llc | Solvents for agricultural applications and pesticide formulations |
| CN110024779A (en) * | 2019-05-24 | 2019-07-19 | 苏农（广德）生物科技有限公司 | A kind of fenoxapropPethyl aqueous emulsion and its preparation process |
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Application publication date: 20110216 |