CN103651491A - Weeding composition containing florasulam and flucarbazone - Google Patents
Weeding composition containing florasulam and flucarbazone Download PDFInfo
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- CN103651491A CN103651491A CN201310702302.9A CN201310702302A CN103651491A CN 103651491 A CN103651491 A CN 103651491A CN 201310702302 A CN201310702302 A CN 201310702302A CN 103651491 A CN103651491 A CN 103651491A
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- flucarbazone
- florasulam
- herbicidal combinations
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Abstract
The invention discloses weeding composition containing florasulam and flucarbazone. The mass ratio of active ingredients such as florasulam and flucarbazone in the weeding composition is (1-50):(50-1); the total mass of the active ingredients such as the florasulam and the flucarbazone in the preparation accounts for 1%-80% of that of all the preparation, and the balance is auxiliary ingredients which are accepted and allowed to be used in a pesticide. The dosage form of the weeding composition adopts emulsifiable concentrate, a suspending agent, wettable powder, water dispersible granules, an emulsion in water, a microemulsion, granules, microcapsules or an aqueous solution. The weeding composition has an effect on various grassy weeds of rice and wheat, broad leaf weeds and multiple dicotyledonous weeds.
Description
Technical field
The present invention relates to agriculture chemical compounding technical field, particularly relate to a kind of Herbicidal combinations that contains florasulam and flucarbazone.
Background technology
Florasulam is triazolopyrimidine sulfonamides super-high-efficient weed killer herbicide, its chemistry 2' by name, the fluoro-5-ethyoxyl-8-of 6'-bis-fluorine [1,2,4] triazole [1,5-C] pyrimidine-2-sulfonanilide, florasulam is inner-adsorption conduction-type herbicide, can conduct to weeds complete stool, thereby herbicide is thorough, can recur.Efficacy stability, is mainly used in winter wheat field and prevents and kill off broad leaved weed at low temperatures, as clearvers, chickweed, Polygonum weeds, composite family weeds etc.
Flucarbazone, is the efficient wheat paddock weed killer herbicide of sulfonylurea internal-suction type, and the grassy weeds such as wild oat, bromegrass, amur foxtail and multiple broadleaf weed are had to obvious preventive effect.Flucarbazone is a kind of brand-new compound, and its active ingredient can be absorbed by the root of weeds and cauline leaf, by suppressing the activity of acetolactate synthestase in weeds body, destroys the normal Physiological and Biochemical Metabolism of weeds and brings into play activity of weeding.Effectively prevent and kill off the most of grassy weed of wheat paddock, simultaneously also effective control section broad leaved weed.Flucarbazone can very fast metabolism in wheat body, and wheat is had to fabulous safety.
Reasonably chemical herbicide is composite or be mixed and have expansion herbicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay the positive feature such as drug-fast generation and development, mixture of herbicides or to be mixed be one of the effective method the most addressing the above problem.We filter out florasulam and flucarbazone is composite on the basis of lab screening and field trial, have obvious synergistic effect.And about florasulam and the composite Herbicidal combinations of flucarbazone and application, there is no at present people reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural chemicals Herbicidal combinations.All effective to the various grassy weeds of paddy rice, wheat, broad leaved weed and multiple broadleaf weed.
Technical scheme of the present invention realizes by following measures:
A kind of Herbicidal combinations, in this Herbicidal combinations, the mass ratio of active ingredient florasulam and flucarbazone is 1～50: 50～1, described Herbicidal combinations of the present invention is through toxicity test experimental verification, the mass ratio of florasulam and flucarbazone is 1～20: 20～1 o'clock, synergistic effect was better.
The formulations of pesticide that described Herbicidal combinations of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Florasulam and the flucarbazone gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 5%～50%, and toxicity and residually reach good balance, cost is also lower.
The specific embodiments of the formulations of pesticide that Herbicidal combinations of the present invention is mixed with is as follows:
Described Herbicidal combinations is cream preparation, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 10～30 parts of conventional emulsifiers; 20～50 parts of conventional solvents; 1～5 part of conventional synergist.The concrete production stage of this cream preparation is for first adding active ingredient florasulam and flucarbazone in solvent the oily liquids that becomes transparent and homogeneous after adding again emulsifier, synergist to stir after dissolving completely, filling, can be made into the cream preparation of the present composition.
Described Herbicidal combinations is suspending agent, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 5～20 parts of dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; 0～10 part of penetrating agent; 0.1～5 part of pH value conditioning agent; Water, surplus.The concrete production stage of this suspending agent is for first mixing other auxiliary agents, through high speed shear, mix, add effective one-tenth florasulam and flucarbazone, in ball crusher, abrading-ball is 2～3 hours, make a diameter all below 5mm, can be made into the suspending agent preparation of the present composition.
Described Herbicidal combinations is wetting powder, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; ; 3～10 parts of dispersants; 1～5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: by above-mentioned formula, active ingredient florasulam is mixed with flucarbazone and dispersant, wetting agent and filler, uniform stirring in stirred tank, after airslide disintegrating mill, mixing, can be made into the wetting powder of the present composition.
Described Herbicidal combinations is water dispersible granules, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 3～10 parts of dispersants; 1～10 part of wetting agent; 1～5 part of disintegrant; Filler surplus.The concrete production stage of this water dispersible granules is: by above-mentioned formula, active ingredient florasulam is mixed with flucarbazone and dispersant, wetting agent, disintegrant and filler, with micro jet, pulverize, through mediating, then add and in fluidized bed prilling dryer, carry out granulation, dry, screening by sample analysis, can be made into the water dispersible granules of the present composition.
Described Herbicidal combinations is aqueous emulsion, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 3～30 parts of emulsifier; 5～15 parts of solvents; 2～15 parts of stabilizing agents; 1～5 part of antifreezing agent; 0.1～8 part of defoamer; 0.2～2 part of thickener; Water, surplus.The concrete production stage of this aqueous emulsion is: first florasulam and flucarbazone, solvent and emulsifier, cosolvent are added together, make to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When reactor high speed stirs, oil phase is added to water, 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, can be made into the aqueous emulsion of the present composition.
Described Herbicidal combinations is microemulsion, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 10～30 parts of emulsifier, 1～8 part of antifreezing agent, 0.5～10 part of stabilizing agent, 20～50 parts of conventional solvent cosolvents.Florasulam and flucarbazone are dissolved completely with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, finally add water, after fully stirring, can be made into microemulsion.
Described Herbicidal combinations is granule, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 1～10 part of wetting dispersing agent; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.Each components such as active ingredient florasulam and flucarbazone, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of formula, put into after the grinding of sand milling still, send in mixer for well-distribution and mix and get product.
Described Herbicidal combinations is microcapsule formulations, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 5～20 parts, urea; 5～20 parts, formaldehyde; 5～20 parts of emulsifying dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; Water, surplus.In being housed, the there-necked flask of agitating device adds urea and formaldehyde (amount of substance ratio is about l:1.5～2.0), left and right, pH value to 8～9 with sodium hydroxide solution regulator solution, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.Get a certain amount of florasulam and flucarbazone and be dissolved in cyclohexane, and add emulsifying dispersant in solution, follow vigorous stirring, the O/W type stable emulsion that to be made into the aqueous solution of take containing emulsifying dispersant be water.Above-mentioned urea resin prepolymer is added in emulsion, regulate pH value, polymerization reaction take place under acid catalysis condition, is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Selection adds appropriate auxiliary agent, the microcapsules that gets final product stablely.
Described Herbicidal combinations is aqua, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 0.1～30 part of wetting dispersing agent; 2～8 parts of antifreezing agents; 0.1～1 part of defoamer; 0.1～3 part of thickener; 5～15 parts of spreader-stickers; Water, surplus is supplied.By active ingredient florasulam and flucarbazone, dissolve completely with cosolvent, then add other compositions such as dispersant, antifreezing agent, defoamer, evenly mix, finally add water, after fully stirring, get final product to obtain finished product
Wherein above-described emulsifier is selected from 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, any or more than one any mixtures than forming in polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture forming.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.10 parts; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.Each components such as active ingredient florasulam and flucarbazone, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of formula, put into after the grinding of sand milling still, send in mixer for well-distribution and mix and get product.
Described Herbicidal combinations is microcapsule formulations, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 5～20 parts, urea; 5～20 parts, formaldehyde; 5～20 parts of emulsifying dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; Water, surplus.In being housed, the there-necked flask of agitating device adds urea and formaldehyde (amount of substance ratio is about l:1.5～2.0), left and right, pH value to 8～9 with sodium hydroxide solution regulator solution, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.Get a certain amount of florasulam and flucarbazone and be dissolved in cyclohexane, and add emulsifying dispersant in solution, follow vigorous stirring, the O/W type stable emulsion that to be made into the aqueous solution of take containing emulsifying dispersant be water.Above-mentioned urea resin prepolymer is added in emulsion, regulate pH value, polymerization reaction take place under acid catalysis condition, is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Selection adds appropriate auxiliary agent, the microcapsules that gets final product stablely.
Described Herbicidal combinations is aqua, and the mass fraction of component is: 1～50 part of florasulam; 1～50 part of flucarbazone; 0.1～30 part of wetting dispersing agent; 2～8 parts of antifreezing agents; 0.1～1 part of defoamer; 0.1～3 part of thickener; 5～15 parts of spreader-stickers; Water, surplus is supplied.By active ingredient florasulam and flucarbazone, dissolve completely with cosolvent, then add other compositions such as dispersant, antifreezing agent, defoamer, evenly mix, finally add water, after fully stirring, get final product to obtain finished product
Wherein above-described emulsifier is selected from 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, any or more than one any mixtures than forming in polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture forming.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Measured value to target weeds fresh weight inhibiting rate when E is florasulam and two kinds of pharmacy mix of flucarbazone.
Evaluation criterion: work as E-E
0during > 10%, be expressed as synergistic effect, as-10% < E-E
0during < 10%, be expressed as summation action, work as E-E
0during <-10%, be expressed as antagonism.
The toxicity test result of two kinds of medicaments of 2.1 florasulams and flucarbazone to clearvers
Table 1 be two kinds of medicaments of florasulam and flucarbazone mix virulence measurement result
Virulence test example shows, while being 1:50～50:1 dilution in active ingredient florasulam and flucarbazone ratio, shows certain synergistic effect, and the synergistic effect that wherein florasulam and flucarbazone are 1:20～20:1 is the most obvious.Result of the test shows, under indoor conditions, florasulam and flucarbazone compound synergic effect are good, and suggestion is carried out further field control effectiveness test to suitable proportion 1:20～20:1 left and right mixture preparation, to evaluate its field practical application effect.
3, field control effectiveness test
3.1 field control effectiveness test eliminating weed in wheat fields
Test is in proving ground, Wheat in Henan Province field, the consistent middle fertility of soil fertility, and during test, humidity is moderate, and experimental field main weeds has clearvers, bromegrass etc., weeds are evenly distributed.Result of the test is as follows:
The composite field efficiency test of table 2 florasulam and flucarbazone
Field experiment result shows, florasulam flucarbazone is all better with the composite preventive effect to weeds such as wheat paddock grass family, broadleaved herbs of 3:1 ratio, according to field, estimate, within the scope of test dose, plant growth is normal, have no plant and produce poisoning and anomaly, illustrate that it is safe to wheat.
3.2 field control effectiveness tests are prevented and kill off paddy field weed
Test site is positioned at San Qiao fore-and-aft gangway village, Fu Chun street, Fuyang City, and rice varieties is that II is excellent 084, and pH value is 7.2, belongs to flat area, middle fertility, and experimental field main weeds has barnyard grass, moleplant seed etc., weeds are evenly distributed.Result of the test is as follows:
The composite field efficiency test of table 3 florasulam and flucarbazone
Field experiment result shows, florasulam flucarbazone is all better with the composite preventive effect to weeds such as paddy field grass family, broadleaved herbs of 3:1 ratio, according to field, estimate, within the scope of test dose, plant growth is normal, have no plant and produce poisoning and anomaly, illustrate that it is safe to paddy rice.
To sum up virulence and field experiment result verification, the Herbicidal combinations that the present invention contains florasulam and flucarbazone, be mainly used in preventing and kill off broad leaved weed, the grassy weed of wheat paddock and paddy field, and to target crop safety, compare with single dose, Herbicidal combinations of the present invention has mechanism of action uniqueness, there is consumption few, weeding is general more extensive, and the lasting period is longer, more the obvious advantage such as environmental protection.So research and development of the present invention and popularization have great social effect and environment protection significance.
Claims (4)
1. a Herbicidal combinations, is characterized in that: the active ingredient of this Herbicidal combinations is florasulam and flucarbazone binary built, and all the other are auxiliary element, and wherein the mass ratio of active ingredient florasulam and flucarbazone is 1～50: 50～1.
2. Herbicidal combinations according to claim 1, is characterized in that: florasulam and the flucarbazone gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Herbicidal combinations according to claim 2, is characterized in that: florasulam and the flucarbazone gross weight in preparation accounts for 5%～50% of the whole quality of the pharmaceutical preparations.
4. according to the Herbicidal combinations described in claim 1 or 2 or 3, it is characterized in that: the formulations of pesticide that this Herbicidal combinations can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations, aqua.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310702302.9A CN103651491A (en) | 2013-12-19 | 2013-12-19 | Weeding composition containing florasulam and flucarbazone |
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| CN201310702302.9A CN103651491A (en) | 2013-12-19 | 2013-12-19 | Weeding composition containing florasulam and flucarbazone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105432634A (en) * | 2015-12-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Pesticide composition containing florasulam and pyriminobac-methyl |
| CN105557732A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone, flufenacet and florasulam and application of pesticide composition in control of weeds in wheat field |
| CN105557730A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone, pretilachlor and florasulam and application of pesticide composition in control of weeds in wheat field |
| CN106305737A (en) * | 2015-07-10 | 2017-01-11 | 陈雨兰 | Weeding composition for paddy field |
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
-
2013
- 2013-12-19 CN CN201310702302.9A patent/CN103651491A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305737A (en) * | 2015-07-10 | 2017-01-11 | 陈雨兰 | Weeding composition for paddy field |
| CN105557732A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone, flufenacet and florasulam and application of pesticide composition in control of weeds in wheat field |
| CN105557730A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone, pretilachlor and florasulam and application of pesticide composition in control of weeds in wheat field |
| CN105557730B (en) * | 2015-12-11 | 2019-02-12 | 汤云鹤 | A kind of composition pesticide and its application of flucarbazone-sodium, pretilachlor and florasulam |
| CN105432634A (en) * | 2015-12-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Pesticide composition containing florasulam and pyriminobac-methyl |
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
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