CN103190411A - Herbicide composite, preparation and application of preparation - Google Patents
Herbicide composite, preparation and application of preparation Download PDFInfo
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Abstract
The invention provides a herbicide composite, active ingredients of which comprises a component A and a component B, wherein the component A is aclonifen, and the component B is quizalofop-p-ethyl and/or fenoxaprop-p-ethyl. The invention also provides a preparation prepared from the herbicide composite, and application of the preparation. According to the invention, the aclonifen and the quizalofop-p-ethyl and/or the fenoxaprop-p-ethyl with different structure types and action mechanisms are compounded for use, so that the controlling effect of the component A and the component B to worst weeds in potato fields is effectively improved, and simultaneously, the herbicide controlling spectrum of the two components when being taken as a single component is expanded.
Description
Technical field
The present invention relates to a kind of herbicidal composition and preparation thereof and application.
Background technology
Aclonifen is used the back at soil surface deposition one deck medicine film, and when grassy weed and broad leaved weed penetrated soil surface, weed killer herbicide by the tender shoots of seedling, (descend) plumular axis or coleoptile absorption, sucked after several days respectively, and seedling is with regard to flavescence.Growth retardation, last dead.Its dosage (effective active dose of components) is generally 2000-2500g (a.i.)/hm
2
Quizalotop-ethyl is a kind of dry land cauline leaf inorganic agent of high selectivity, between grassy weed and dicotyledonous crops high selectivity is arranged, and the grassy weed in broad leaf crop field is had good preventive effect.Mainly be to absorb by the weeds cauline leaf, up and down two-way conduction in plant corpus is accumulated in top and middle meristematic tissue, and it is synthetic to suppress cell fatty acid, makes the weeds necrosis.Be mainly used in preventing and kill off annual and perennial grassy weed such as amur foxtail, herba setariae viridis grass or lady's-grass.Its dosage (effective active dose of components) is generally 30-100g (a.i.)/hm
2
FenoxapropPethyl belongs to cauline leaf inorganic agent behind selectivity, the inner sucting conduction type seedling.Be transmitted to the growing point of phyllopodium, internode meristematic tissue and root after active ingredient is absorbed by cauline leaf, be transformed into the free acid of phenoxy group rapidly, suppress fatty acid and carry out biosynthesis, damage weed growth point and meristematic tissue.Its dosage (effective active dose of components) is generally 30-100g (a.i.)/hm
2
Summary of the invention
The object of the present invention is to provide a kind of broad weed-killing spectrum, the significant herbicidal composition of herbicidal effect, preparation and the application thereof of described herbicidal composition also are provided.
To achieve these goals, the invention provides a kind of herbicidal composition, wherein, the active component of this herbicidal composition contains component A and B component, and described component A is aclonifen, and described B component is Quizalotop-ethyl and/or fenoxapropPethyl.
The present invention also provides according to herbicidal composition prepared preparation of the present invention.
The present invention also provides the application in annual or perennial broadleaf weed and the grassy weed of above-mentioned preparation in the control potato fields.
The present inventor finds unexpectedly, Quizalotop-ethyl and/or fenoxapropPethyl and the composite use of aclonifen that will have different structure types and mechanism of action, the property of medicine not only can not occur offsets or other side effects, also has obvious synergistic effect on the contrary, can improve these two kinds of components to a greater degree to the preventive effect of the malignant weed in the potato fields, the grass that kills that has enlarged simultaneously when these two kinds of components are used as single component is composed.
Herbicidal composition of the present invention has the following advantages:
1, herbicidal composition of the present invention, each active component is composite in certain ratio range, show fabulous synergistic effect, compare when using separately with aclonifen, Quizalotop-ethyl or fenoxapropPethyl, obviously improved herbicidal effect, thereby reduced the usage amount of active component, when reducing peasant's drug cost, reduced the degree of environmental pollution;
2, enlarged grass spectrum extremely, made a kind of medicament can prevent and treat multiple weeds simultaneously, a kind of means of prevention extremely easily and effectively is provided, the broad leaved weed in the potato fields and grassy weed have all been had good preventive effect;
3, herbicidal composition of the present invention is the compounded combination of systemic herbicide and tagging property weed killer herbicide, and the medicament cooperation of different action characteristics makes and the extremely strong mutual supplement with each other's advantages of generation between the active component can effectively delay generation and the development of single agent resistance.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of herbicidal composition, wherein, the active component of this herbicidal composition contains component A and B component, and described component A is aclonifen, and described B component is Quizalotop-ethyl and/or fenoxapropPethyl.
Described aclonifen is the protoporphyrin oxidase inhibitor, and chemical name is 2-chloro-6-nitro-3-phenoxybenzamine, and its molecular formula is C
12H
9ClN
2O
3, relative molecular weight is 264.7, structural formula is as follows:
The chemical name of described Quizalotop-ethyl is (R)-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] ethyl propionate, its molecular formula is C
19H
17ClN
2O
4, relative molecular weight is 372.8, structural formula is:
The chemical name of described fenoxapropPethyl is (R)-2-[4-(6-chlorobenzene and oxazole-2-base oxygen base) the benzene chloro] ethyl propionate, its molecular formula is C
18H
16ClNO
5, relative molecular weight is 361.8, structural formula is:
The present inventor finds can enlarge simultaneously and kill the grass spectrum by with above-mentioned component A and the composite preventive effect that can improve to a greater degree the malignant weed in the potato fields of B component with different structures.
According to the present invention, the content of described active component in herbicidal composition generally can be 0.1-95 weight %.In order to obtain the better herbicidal composition of preventing weeding weeds effect, under the preferable case, the content of described active component in herbicidal composition is 10-80 weight %.
According to the present invention, although as long as component A and the composite use of B component can be realized purpose of the present invention, under the preferable case, in the described active component, the weight ratio of described component A and B component is 1:0.01-9, and more preferably 1:0.01-1 is preferably 1:0.01-0.5 especially.
The present inventor finds, although as long as any one or two kinds in the B component can be realized purpose of the present invention with component A is composite,, be under the situation of Quizalotop-ethyl and fenoxapropPethyl when described B component, composite result of use is better, and it can reach best composite effect.More preferably under the situation, the Quizalotop-ethyl in the described B component and the weight ratio of fenoxapropPethyl are 1:0.1-10, more preferably 1:0.1-5.
According to herbicidal composition of the present invention, under the preferable case, except active component, described herbicidal composition can also contain carrier, described carrier can be generally used for preparing the common carrier of herbicidal composition for this area, can be solid, also can be liquid, specifically depends on the target formulation of herbicidal composition.Described carrier for example can be mixture and in the anhydrous sodium sulfate one or more of mixture, natrium carbonicum calcinatum, anhydrous sodium bicarbonate, natrium carbonicum calcinatum and anhydrous sodium bicarbonate of mixture, glucose, maltose, sucrose, citric acid, Anhydrous potassium carbonate, Carbon Dioxide hydrogen potassium, Anhydrous potassium carbonate and the Carbon Dioxide hydrogen potassium of white carbon, bentonite, precipitated calcium carbonate, gypsum, attapulgite, soluble starch, urea, amine fertilizer, urea and amine fertilizer.The amount of carrier can be selected according to actual needs in the described herbicidal composition, and usually, the content of described carrier in herbicidal composition can be 0.1-90 weight %.
Under the preferable case, except active component, described herbicidal composition can also contain one or more in emulsifier, dispersant and the wetting agent.Wherein, emulsifier can for example can be selected from phenethyl phenol polyethenoxy polyethenoxy ether for this area various emulsifier commonly used, styryl phenol formaldehyde resin polyoxyethylene-polyoxypropylene block type polyethers, aliphatic acid polyethenoxy ether, polyoxyethylene aliphatic alcohol ether, the trilaurin APEO, two Bian xenyl APEOs, the glyceryl monolaurate APEO, styryl phenol APEO, castor oil polyoxyethylene ether, the ethoxy castor oil APEO, alkyl phenol polyoxyethylene polyoxypropylene ether, styryl phenyl APEO, the secondary octyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether, the alkylaryl polyoxyethylene poly-oxygen propylene aether, alkylphenol polyoxyethylene, sorbitan fatty acid ester polyoxyethylene groups ether, aliphatic alcohol polyoxyethylene sulfonate, the polyoxyethylene alkylphenol formaldehyde condensation products, dodecyl sodium sulfate, decyl alcohol polyoxyethylene ether sulfosuccinic acid sodium, alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate, alkylphenol polyoxyethylene succinate monoester sulfonate, the alkylphenol-polyethenoxy phosphate, alkylphenol polyoxyethylene sulfosuccinate ester, polyoxyethylene fatty acid fat, PMA, the polyoxyethylene fatty amine, ethoxy castor oil, alkyl-diethylene glycol ether-sodium sulfonate, fatty acid polyethylene glycol ester, fast penetration enhancer T, in oleic acid PEG400 ester and the fatty alcohol-polyoxyethylene ether one or more.
Described dispersant can be this area various dispersants commonly used, for example can be selected from sodium lignin sulfonate, sodium metnylene bis-naphthalene sulfonate (dispersant NNO), calcium lignosulfonate, Sodium Polyacrylate, sodium methylene bis-naphthalene sulfonate, dispersing agent MF and the polyvinylpyrrolidone one or more.
Described wetting agent can be this area various wetting agents commonly used, for example can be selected from Negel, lauryl sodium sulfate, Teepol, calcium dodecyl benzene sulfonate, fatty alcohol polyglycol ether sulphate, sorbitan fatty acid ester APEO and the Fluhyzon formaldehyde condensation products one or more.
The amount of one or more in the described herbicidal composition in emulsifier, dispersant and the wetting agent can be selected according to actual needs.Among the present invention, emulsifier, dispersant and the wetting agent total content in herbicidal composition can be 0.01-99 weight %.Concrete content those skilled in the art in each comfortable herbicidal composition of emulsifier, dispersant and wetting agent can select as required.
When also containing in carrier, emulsifier, dispersant and the wetting agent one or more in the described herbicidal composition, the consumption of carrier, emulsifier, dispersant and wetting agent and the total content of the active component in the herbicidal composition should satisfy the requirement of 100 weight %.
The preparation of herbicidal composition of the present invention can be various formulations commonly used, for example, described herbicidal composition prepared preparation can be missible oil, microemulsion, aqueous emulsion, aqueous suspension agent, oil-suspending agent, wetting powder, water dispersible granules, soluble powder, soluble granula or micro-capsule suspension.
In order to make the preparation by described herbicidal composition preparation reach other various optimization performances, as required, can also contain other various auxiliary agents in the preparation of herbicidal composition of the present invention, described auxiliary agent can be the various auxiliary agents that this area is commonly used, as in solvent, thickener, antifreezing agent and the defoamer one or more.
According to the present invention, described solvent can be this area all kinds of solvents commonly used, for example can be water, N-methyl pyrrolidone, N, in dinethylformamide, tetrahydrofurfuryl alcohol, toluene, dimethylbenzene, dimethyl sulfoxide (DMSO), oxolane, 1,4 dioxane, cyclohexanol, cyclohexanone, epoxidized soybean oil, plant soybean oil, liquid wax and the solvent naphtha No. 100, No. 150, No. 180 and No. 200 one or more.
Described thickener can be the various thickeners that this area is commonly used, for example can be in xanthans, polyvinyl alcohol, sodium alginate, Magnesiumaluminumsilicate, diatomite, kaolin and the organobentonite one or more.
Described antifreezing agent can be this area various antifreezing agents commonly used, for example can be in propane diols, ethylene glycol and the glycerine one or more.
Described defoamer can for example can be tributyl phosphate and/or silicone for this area various defoamers commonly used.
The preparation method of above-mentioned preparation formulation all can be with reference to conventional preparation method's preparation of this area among the present invention, and the present invention does not have specific (special) requirements.For example can also can directly herbicidal composition of the present invention be processed into preparation by the various auxiliary agents of herbicidal composition of the present invention and other are mixed to prepare preparation, the present invention without limits.No matter be preparation herbicidal composition or preparation herbicidal composition preparation, interpolation order the present invention of raw material reagent is not particularly limited.The consumption of herbicidal composition can be selected according to prior art in the herbicidal composition preparation, and under the preferable case, the content of herbicidal composition can be 10-100 weight % in the described herbicidal composition preparation.
For example, described missible oil contains herbicidal composition and solvent.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus is one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described missible oil, and surplus is solvent.Described solvent is generally water, aromatic hydrocarbon solvent or alcohols solvent.The preparation method of described missible oil is: with active component, one or more in emulsifier, dispersant and the wetting agent and solvent make it become even oil phase, namely get described missible oil.
For example, described microemulsion contains herbicidal composition and solvent, thickener and/or antifreezing agent.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus is one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described microemulsion, and the content of thickener can be 1-20 weight % for the content of 0.1-10 weight %, antifreezing agent, and surplus is solvent.Described solvent is generally one or more in water, aromatic hydrocarbon solvent and the alcohols solvent.The preparation method of described microemulsion is: with active component, and one or more in emulsifier, dispersant and the wetting agent and solvent, thickener and/or antifreezing agent evenly mix, and namely get microemulsion.
For example, described aqueous emulsion contains herbicidal composition and solvent, thickener and/or antifreezing agent.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus are one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described aqueous emulsion, and the content of thickener can be 1-20 weight % for the content of 0.1-10 weight %, antifreezing agent, and the content of organic solvent can be 5-20 weight %, and surplus is aqueous solvent.Described organic solvent is generally aromatic hydrocarbon solvent and/or alcohols solvent.The preparation method of described aqueous emulsion is: with active component, one or more in emulsifier, dispersant and the wetting agent mix with organic solvent, make it become even oil phase; Water is mixed with thickener and/or antifreezing agent, make it become even water, under high-speed stirred, water is joined oil phase or oil phase is joined water, form the aqueous emulsion of favorable dispersibility.
For example, described aqueous suspension agent contains herbicidal composition and water, one or more in thickener, antifreezing agent and the defoamer.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus is one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described aqueous suspension agent, and the content of antifreezing agent can can be 0.1-5 weight % for the content of 0.1-10 weight %, defoamer for the content of 1-20 weight %, thickener, and surplus is water.The preparation method of described aqueous suspension agent is: be medium with water, in one or more and antifreezing agent, thickener and the defoamer in active component and emulsifier, dispersant and the wetting agent one or more are added porphyrize in sand milling stills, make aqueous suspension agent.
For example, described oil-suspending agent contains herbicidal composition and oil, one or more in thickener, antifreezing agent and the defoamer.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus is one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described oil-suspending agent, and the content of thickener can can be 0.1-5 weight % for the content of 1-20 weight %, defoamer for the content of 0.1-10 weight %, antifreezing agent, and surplus is oil.Described oil can be the oil that can be used in oil-suspending agent well known by persons skilled in the art.The preparation method of described oil-suspending agent is: be medium with oil, in one or more and thickener, antifreezing agent and the defoamer in active component and emulsifier, dispersant and the wetting agent one or more are added porphyrize in sand milling stills, make oil-suspending agent.
For example, the composition of described wetting powder, water dispersible granules, soluble powder, soluble granula can be active component 0.1-95 weight %, the content of one or more in emulsifier, dispersant and the wetting agent is 0.01-99 weight %, and the content of carrier is 0.1-90 weight %.
The preparation method of described wetting powder or described soluble powder is: with active component, one or more in emulsifier, dispersant and the wetting agent fully mix with carrier, after ultrafine crusher is pulverized, namely.
The preparation method of described water dispersible granules or soluble granula is: with active component, one or more in emulsifier, dispersant and the wetting agent mix pulverizing with carrier, and spray-dried or fluidized drying namely then; Or after mix pulverizing, add water again and mediate, add then and carry out granulation in the comminutor, and then drying, screening, namely.
For example, described micro-capsule suspension contains one or more in herbicidal composition and capsule material, solvent, thickener and the curing agent.Wherein the composition of herbicidal composition can for: active component 0.1-95 weight %, surplus is one or more in emulsifier, dispersant and the wetting agent.The content of herbicidal composition can be 10-95 weight % in the described micro-capsule suspension, the content of capsule material (as polyureas) can can be 1-10 weight % for the content of 1-10 weight %, curing agent (as triethanolamine) for the content of 1-20 weight %, thickener, the content of organic solvent can be 5-20 weight %, and surplus is aqueous solvent.Described organic solvent can be aromatic hydrocarbon solvent and/or alcohols solvent.The preparation method of described micro-capsule suspension is: active component is mixed with capsule material and organic solvent, then the gained mixture is added in the mixture of being made up of emulsifier and water, under stirring, add curing agent, add thickener and dispersant after stirring again, namely get micro-capsule suspension.
Except above-mentioned formulation, the formulation that all the other are commonly used, as liquor, aqua, emulsifiable concentrate, suspension emulsion etc., it all can be by the conventional method preparation of this area.Do not repeat them here.
Herbicidal composition of the present invention can provide with the finished product preparation form, and namely each material mixes in the composition; Also can provide with independent reagent form, mix voluntarily in bucket or jar before using, namely common concentrate with each active component among the present invention mixes the concentration that obtains required active substance with water.Usually can active component content be 30-2400g (a.i)/hm
2Concentration, under the preferred situation, compared with prior art, even reduce the concentration of described active substance, for example, be 30-2000g (a.i)/hm with the active component content further
2Concentration use, it still can play and well reach broad weed-killing spectrum, the significant purpose of herbicidal effect.
The present invention also provide preparation according to the present invention control in the potato fields annual and perennial broad leaved weed and the application in the grassy weed.Described control comprises the inhibition in each stage in the cycle of above-mentioned weed growth, had both comprised the inhibition before the weeds rudiment is namely suppressed the weeds rudiment, also comprises the inhibition after the weeds rudiment namely to the removals of the weeds that grown; Be preferably the inhibition after the weeds rudiment namely to the removals of the weeds that grown.Herbicidal composition of the present invention can be used for preventing and treating annual and perennial broad leaved weed in the potato fields and grassy weed etc., and it uses the place is potato ground etc.
The concrete using method of described herbicidal composition preparation can be arbitrary method well known by persons skilled in the art, for example can be for before weed germination or after sprouting, preferably grow to the 2-5 leaf phase broad leaved weed 4-6 leaf phase, grassy weed, described herbicidal composition is used in place to crop and plant growth according to a conventional method, as mixes soil, spraying, injection, cast etc.The amount of application of described herbicidal composition (being the effective active dose of components) is generally 30-2400g (a.i)/hm
2Dosage, be preferably 30-2000g (a.i)/hm
2Dosage, herbicidal composition preparation of the present invention can have the compound of weeding, desinsection or bactericidal property with other, particularly cauline leaf processing type weed killer herbicide mixes use, also can mix use with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner etc.
Below the present invention is described in detail with specific embodiment, so that the present invention is more readily understood, but the present invention is limited to these examples absolutely not.
In following examples, if no special instructions, be with a kind of commodity with a kind of material, available from identical producer.
Embodiment 1 contains the missible oil [A:B=1:9] of 0.1 weight % active component
With aclonifen 0.1g, Quizalotop-ethyl 0.9g, polyoxyethylene nonylphenol ether 50g(available from Nanjing Teva-Chem. Co., Ltd.) and fatty alcohol-polyoxyethylene ether (20) 50g(available from Nanjing Teva-Chem. Co., Ltd.) mix, obtain herbicidal composition, mix with solvent naphtha No. 100 (available from Hualun Chemical Co., Ltd., Jiangsu) again, obtain the even oil phase of 1kg, make missible oil.
Comparative Examples 1
Contain the missible oil of 0.1 weight % active component according to the preparation of the method for embodiment 1, the consumption of different is aclonifen is that the consumption of 1g, Quizalotop-ethyl is 0g.
Comparative Examples 2
Contain the missible oil of 0.1 weight % active component according to the preparation of the method for embodiment 1, the consumption of different is aclonifen is that the consumption of 0g, Quizalotop-ethyl is 1g.
Embodiment 2 contains the missible oil [A:B=9:1] of 1 weight % active component
Aclonifen 9g, fenoxapropPethyl 1g, calcium dodecyl benzene sulfonate (available from the friendly industry and trade of Beijingization Co., Ltd) 50g, fatty alcohol-polyoxyethylene ether (20) 50g, polyoxyethylene nonylphenol ether 50g are mixed, obtain herbicidal composition, mix for No. 200 with solvent naphtha again, obtain the even oil phase of 1kg, make missible oil.
Comparative Examples 3
Contain the missible oil of 1 weight % active component according to the preparation of the method for embodiment 2, the consumption of different is aclonifen is that the consumption of 0g, fenoxapropPethyl is 9.1g.
Embodiment 3 contains the missible oil [A:B=4:1] of 50 weight % active components
Aclonifen 400g, Quizalotop-ethyl 100g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) (available from Nanjing Teva-Chem. Co., Ltd.) 50g and polyoxyethylene nonylphenol ether 50g are mixed, obtain herbicidal composition, mix with N-methyl pyrrolidone (available from Beijing Yili Fine Chemicals Co., Ltd.) again, obtain the even oil phase of 1kg, make missible oil.
Embodiment 4 contains the missible oil [A:B=1:1] of 50 weight % active components
Aclonifen 250g, Quizalotop-ethyl 250g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 50g and polyoxyethylene nonylphenol ether 50g are mixed, obtain herbicidal composition, mix with the N-methyl pyrrolidone again, obtain the even oil phase of 1kg, make missible oil.
Embodiment 5 contains the missible oil [A:B=61.5:1] of 50 weight % active components
Aclonifen 492g, Quizalotop-ethyl 8g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 50g and polyoxyethylene nonylphenol ether 50g are mixed, obtain herbicidal composition, mix with the N-methyl pyrrolidone again, obtain the even oil phase of 1kg, make missible oil.
Embodiment 6 contains the missible oil [A:B=61.5:1] of 75 weight % active components
Aclonifen 738g, Quizalotop-ethyl 12g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 50g and polyoxyethylene nonylphenol ether 50g are mixed, obtain herbicidal composition, mix with the N-methyl pyrrolidone again, obtain the even oil phase of 1kg, make missible oil.
Embodiment 7 contains the missible oil [A:B=1:17] of 90 weight % active components
Aclonifen 50g, Quizalotop-ethyl 850g, calcium dodecyl benzene sulfonate 20g, fatty alcohol-polyoxyethylene ether (40) 20g, polyoxyethylene nonylphenol ether 20g and 30g dimethylbenzene are mixed, obtain the even oil phase of 1kg, make missible oil.
Embodiment 8 contains the missible oil [A:B=1:17] of 90 weight % active components
Aclonifen 50g, Quizalotop-ethyl 150g and fenoxapropPethyl 700g, calcium dodecyl benzene sulfonate 20g, fatty alcohol-polyoxyethylene ether (40) 20g, polyoxyethylene nonylphenol ether 20g and 30g dimethylbenzene are mixed, obtain the even oil phase of 1kg, make missible oil.
Embodiment 9 contains the missible oil [A:B=17:1] of 90 weight % active components
Aclonifen 850g, Quizalotop-ethyl 41g and fenoxapropPethyl 9g, calcium dodecyl benzene sulfonate 20g, fatty alcohol-polyoxyethylene ether (40) 20g, polyoxyethylene nonylphenol ether 20g and 30g dimethylbenzene are mixed, obtain the even oil phase of 1kg, make missible oil.
Comparative Examples 4
Contain the missible oil of 90 weight % active components according to the preparation of the method for embodiment 9, the consumption of different is aclonifen is that the consumption of 900g, Quizalotop-ethyl is that the consumption of 0g, fenoxapropPethyl is 0g.
Comparative Examples 5
Contain the missible oil of 90 weight % active components according to the preparation of the method for embodiment 9, the consumption of different is aclonifen is that 0g, Quizalotop-ethyl consumption are that the consumption of 900g, fenoxapropPethyl is 0g.
Comparative Examples 6
Contain the missible oil of 90 weight % active components according to the preparation of the method for embodiment 9, the consumption of different is aclonifen is that 0g, Quizalotop-ethyl consumption are that the consumption of 0g, fenoxapropPethyl is 900g.
Embodiment 10 contains the microemulsion [A:B=1:1] of 10 weight % active components
Aclonifen 50g, Quizalotop-ethyl 10g and fenoxapropPethyl 40g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 250g and polyoxyethylene nonylphenol ether 50g mixing are obtained herbicidal composition, mix with N-methyl pyrrolidone 100g and water again, obtain the 1kg microemulsion.
Embodiment 11 contains the microemulsion [A:B=1:1] of 10 weight % active components
Aclonifen 50g, Quizalotop-ethyl 40g and fenoxapropPethyl 10g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 50g and polyoxyethylene nonylphenol ether 50g mixing are obtained herbicidal composition, mix with N-methyl pyrrolidone 100g and water again, obtain the 1kg microemulsion.
Embodiment 12 contains the microemulsion [A:B=1:1] of 10 weight % active components
Aclonifen 50g, Quizalotop-ethyl 5g and fenoxapropPethyl 45g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (40) 150g and polyoxyethylene nonylphenol ether 150g mixing are obtained herbicidal composition, mix with N-methyl pyrrolidone 50g and water again, obtain the 1kg microemulsion.
Embodiment 13 contains the aqueous emulsion [A:B=1:20] of 21 weight % active components
Aclonifen 10g, Quizalotop-ethyl 200g, fatty alcohol-polyoxyethylene ether (5) (available from Nanjing Teva-Chem. Co., Ltd.) 20g, calcium dodecyl benzene sulfonate 30g, cyclohexanone 50g, glycerine 80g, kaolin 30g, water are complemented to 1kg.
Preparation method: with aclonifen, Quizalotop-ethyl, cyclohexanone, fatty alcohol-polyoxyethylene ether (5) and calcium dodecyl benzene sulfonate mixed dissolution, make it become even oil phase; Water, glycerine, kaolin are mixed, make it become aqueous mixture; Under high-speed stirred, aqueous mixture is joined oil phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 14 contains the aqueous emulsion [A:B=20:1] of 21 weight % active components
Aclonifen 200g, fenoxapropPethyl 10g, N-methyl pyrrolidone 30g, polyvinyl alcohol 20g, sorbitan fatty acid ester polyoxyethylene groups ether (available from Nanjing Teva-Chem. Co., Ltd.) 40g, phenethyl phenol polyethenoxy polyethenoxy ether (available from Nanjing Teva-Chem. Co., Ltd.) 60g, ethylene glycol 50g, sodium alginate 10g, water complement to 1kg.
Preparation method: with aclonifen, fenoxapropPethyl, N-methyl pyrrolidone, polyvinyl alcohol, sorbitan fatty acid ester polyoxyethylene groups ether and phenethyl phenol polyethenoxy polyethenoxy ether mixed dissolution, make it become even oil phase; Water, ethylene glycol, sodium alginate are mixed, make it become even water; Under high-speed stirred, water is joined oil phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 15 contains the aqueous suspension agent [A:B=1:9] of 11 weight % active components
Aclonifen 11g, fenoxapropPethyl 99g, fatty alcohol-polyoxyethylene ether 50g, diatomite 30g, glycerine 40g, tributyl phosphate 20g, water complement to 1kg.
Preparation method: be medium with water, aclonifen, fenoxapropPethyl, fatty alcohol-polyoxyethylene ether, diatomite, glycerine, tributyl phosphate are added porphyrize in the sand milling still, make aqueous suspension agent.
Embodiment 16 contains the aqueous suspension agent [A:B=1:1] of 11 weight % active components
Aclonifen 55g, fenoxapropPethyl 55g, styryl phenol APEO (available from Hai'an, Jiangsu petrochemical plant) 50g, kaolin 12g, lauryl sodium sulfate 10g, glycerine 80g, silicone 50g, water complement to 1kg.
Preparation method: be medium with water, aclonifen, fenoxapropPethyl, styryl phenol APEO, kaolin, lauryl sodium sulfate, glycerine, silicone are added porphyrize in the sand milling still, make aqueous suspension agent.
Embodiment 17 contains the oil-suspending agent [A:B=40:1] of 41 weight % active components
Aclonifen 400g, Quizalotop-ethyl 10g, organobentonite 100g, tributyl phosphate 50g, plant soybean oil subsidy are to 1kg.
Preparation method: be medium with the plant soybean oil, aclonifen, Quizalotop-ethyl, organobentonite, tributyl phosphate are added porphyrize in the sand milling still, make oil-suspending agent.
Embodiment 18 contains the wetting powder [A:B=1:40] of 10 weight % active components
Aclonifen 2.4g, fenoxapropPethyl 97.6g, lauryl sodium sulfate 20g, soluble starch are complemented to 1kg, fully mix, after ultrafine crusher is pulverized, namely obtain containing the wetting powder of 10% active component.
Embodiment 19 contains the water dispersible granules [A:B=39:1] of 60 weight % active components
Aclonifen 585g, Quizalotop-ethyl 15g, lauryl sodium sulfate (available from Zibo worker Co., Ltd that all evolves) 10g, sodium lignin sulfonate (available from the grand worker of beautifying in Tianjin Co., Ltd) 10g, attapulgite are complemented to 1kg, mix and pulverize the spray-dried water dispersible granules that namely gets.
Embodiment 20 contains the micro-capsule suspension [A:B=2:1] of 15 weight % active components
Aclonifen 100g, Quizalotop-ethyl 50g, No. 180 200g of solvent naphtha, polyureas 30g, polyvinyl alcohol 20g, triethanolamine 5g, Magnesiumaluminumsilicate 20g, sodium lignin sulfonate 30g, water complement to 1kg.
Preparation method: aclonifen, Quizalotop-ethyl are mixed with the mixture of No. 180, solvent naphtha and polyureas; Then this mixture is added in the mixture of being made up of the polyethylene alcohol and water, under stirring, add triethanolamine, and then add Magnesiumaluminumsilicate and sodium lignin sulfonate, namely get micro-capsule suspension.
Embodiment 21 contains the micro-capsule suspension [A:B=49:1] of 50 weight % active components
Aclonifen 490g, Quizalotop-ethyl 10g, No. 180 200g of solvent naphtha, polyureas 30g, polyvinyl alcohol 20g, triethanolamine 5g, Magnesiumaluminumsilicate 20g, sodium lignin sulfonate 30g, water complement to 1kg.
Preparation method: aclonifen, Quizalotop-ethyl are mixed with the mixture of No. 180, solvent naphtha and polyureas; Then this mixture is added in the mixture of being made up of the polyethylene alcohol and water, under stirring, add triethanolamine, and then add Magnesiumaluminumsilicate and sodium lignin sulfonate, namely get micro-capsule suspension.
Test example 1 herbicidal composition of the present invention is to the preventive effect of broad leaved weed and grassy weed
In greenhouse (25 ℃), adopt method for potted to measure the present composition to the preventive effect of broad leaved weed and grassy weed.
Test method: the greenhouse pot culture method is adopted in test, the quantitative weed seed of sowing in Disposable paper cup, treat that the unearthed back of weeds 1.5-2 leaf carries out thinning during the phase, each dixie cup is cultivated by the more consistent weeds plant of 5 strain growing ways of selecting and remain, and regularly water N, P, the aqueous solution of K composite fertilizer, treat the broad leaved weed 4-6 leaf phase, grassy weed grows to the 2-5 leaf during phase, with crawler type crop sprayer embodiment 1-18 and Comparative Examples 1-6 are carried out cauline leaf spraying processing, each processed group dosing (being the effective active dose of components) is as shown in table 1, handle and be placed on greenhouse continuation cultivation observation, the herbicidal effect of each processing of " Invest, Then Investigate " in 20 days after 3 hours.The result is as shown in table 1.Herbicidal effect among the present invention (being the weeds preventive effects) is represented with the fresh weight preventive effect, can record as follows:
The weight of the weeds of each chemicals treatment group of weighing in 20 days and clear water control group is calculated its fresh weight preventive effect after dispenser, and computing formula is as follows:
Co-toxicity coefficient refers to that actual toxicity behind two or more combined use of pesticides and the ratio of theoretical toxicity multiply by 100 again.It is to weigh the index whether mixture has synergistic effect.If co-toxicity coefficient is synergistic effect greater than 120; Be summation action near 80-100; Below 80, be antagonism.Co-toxicity coefficient in the table 1 is the mean value at the co-toxicity coefficient of these four kinds of plants of eleusine indica, lady's-grass, chickweed and Commelina communis.
Table 1
As can be seen from Table 1, the composite back of aclonifen and Quizalotop-ethyl and/or fenoxapropPethyl is with single with comparing separately, and grass family class weeds such as eleusine indica, lady's-grass preventive effect are significantly increased, and reaches the purpose of preventing and kill off broad leaved weed and grassy weed simultaneously.
More than describe preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in the above-mentioned embodiment, in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition, each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up by any suitable manner, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a herbicidal composition is characterized in that, the active component of this herbicidal composition contains component A and B component, and described component A is aclonifen, and described B component is Quizalotop-ethyl and/or fenoxapropPethyl.
2. herbicidal composition according to claim 1, wherein, the content of described active component in herbicidal composition is 0.1-95 weight %.
3. herbicidal composition according to claim 2, wherein, the content of described active component in herbicidal composition is 10-80 weight %.
4. according to any described herbicidal composition among the claim 1-3, wherein, the weight ratio of described component A and B component is 1:0.01-9.
5. herbicidal composition according to claim 4, wherein, the weight ratio of described component A and described B component is 1:0.01-1.
6. herbicidal composition according to claim 5, wherein, the weight ratio of described component A and described B component is 1:0.01-0.5.
7. according to any described herbicidal composition among the claim 1-3, wherein, described B component is Quizalotop-ethyl and fenoxapropPethyl, and the weight ratio of described Quizalotop-ethyl and fenoxapropPethyl is 1:0.1-10, is preferably 1:0.1-5.
8. one kind by any described herbicidal composition prepared preparation among the claim 1-7, it is characterized in that the formulation of described preparation is missible oil, microemulsion, aqueous emulsion, aqueous suspension agent, oil-suspending agent, wetting powder, water dispersible granules, soluble powder, soluble granula or micro-capsule suspension.
9. the application in annual or perennial broadleaf weed and the grassy weed of the described preparation of claim 8 in the control potato fields.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108207943A (en) * | 2017-12-26 | 2018-06-29 | 东南大学 | It is a kind of using porous-starch as Quizalotop-ethyl micro-capsule suspension of carrier and preparation method thereof |
| CN108289445A (en) * | 2015-08-12 | 2018-07-17 | 拜耳作物科学股份公司 | Aclonifen contains purposes of the Herbicidal combination of aclonifen in root crop plant with some |
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| WO2005074685A1 (en) * | 2004-02-06 | 2005-08-18 | Bayer Cropscience Gmbh | Plant protection compositions and use thereof |
| WO2006024411A2 (en) * | 2004-08-27 | 2006-03-09 | Bayer Cropscience Gmbh | Herbicide combinations comprising special ketoenoles |
| CN102186345A (en) * | 2008-08-14 | 2011-09-14 | 拜尔农作物科学股份公司 | Herbicidal combination comprising dimethoxytriazinyl-substituted difluoromethane sulfonylanilides |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005074685A1 (en) * | 2004-02-06 | 2005-08-18 | Bayer Cropscience Gmbh | Plant protection compositions and use thereof |
| WO2006024411A2 (en) * | 2004-08-27 | 2006-03-09 | Bayer Cropscience Gmbh | Herbicide combinations comprising special ketoenoles |
| CN102186345A (en) * | 2008-08-14 | 2011-09-14 | 拜尔农作物科学股份公司 | Herbicidal combination comprising dimethoxytriazinyl-substituted difluoromethane sulfonylanilides |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108289445A (en) * | 2015-08-12 | 2018-07-17 | 拜耳作物科学股份公司 | Aclonifen contains purposes of the Herbicidal combination of aclonifen in root crop plant with some |
| CN108289445B (en) * | 2015-08-12 | 2021-02-05 | 拜耳作物科学股份公司 | Use of aclonifen and herbicide combinations containing aclonifen in tuberous root crop plants |
| CN108207943A (en) * | 2017-12-26 | 2018-06-29 | 东南大学 | It is a kind of using porous-starch as Quizalotop-ethyl micro-capsule suspension of carrier and preparation method thereof |
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