CN103766371A - Weeding composition containing flucarbazone sodium and fluazolate - Google Patents
Weeding composition containing flucarbazone sodium and fluazolate Download PDFInfo
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- CN103766371A CN103766371A CN201310666920.2A CN201310666920A CN103766371A CN 103766371 A CN103766371 A CN 103766371A CN 201310666920 A CN201310666920 A CN 201310666920A CN 103766371 A CN103766371 A CN 103766371A
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- fluazolate
- flucarbazone
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Abstract
The invention relates to a weeding composition containing flucarbazone sodium and fluazolate. The flucarbazone sodium and the fluazolate are active components of the weeding composition, wherein the weight part ratio of the flucarbazone sodium to the fluazolate is (10:1)-(1:30), and the total weight percentage of the flucarbazone sodium to the fluazolate in the weeding composition is 0.1-85 percent. The flucarbazone sodium and the fluazolate are compounded to play a synergistic interaction role on wheat paddock weeds; the weeding effect is obviously improved in comparison with that of the weeding composition which only uses single medicament; the weeding composition is safe to wheat; meanwhile, the use amount of a pesticide is reduced, the pollution caused by the pesticide to the environment is reduced, and the generation of drug resistance of the weeds is slowed down.
Description
Technical field
The present invention relates to agricultural chemicals Herbicidal combinations and application thereof, specifically a kind of take flucarbazone and fluazolate as the Herbicidal combinations of active ingredient, be applied to and prevent and kill off wheat paddock grassy weed and broad leaved weed.
Background technology
Flucarbazone (flucarbazone-sodium) 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 part broad leaved weed are had to obvious preventive effect.Its active ingredient can be absorbed by the root of weeds and cauline leaf, and by suppressing the activity of acetolactate synthestase in weeds bodies, destroy the normal Physiological and Biochemical Metabolism of weeds and bring into play activity of weeding, and can very fast metabolism in wheat body, wheat is had to fabulous safety.
Fluazolate (fluazolate isopropazal) is the novel contact killing type weed killer herbicide of a kind of pyrazoles, brings into play drug effect by proporphyrinogen oxidase accumulation in plant cell.Cauline leaf is absorbed in tissue by sensitive plant or weeds rapidly after processing, and makes plant downright bad rapidly, or under solar radiation, makes cauline leaf dehydration withered and dead.Be mainly used in wheatland and prevent and kill off the broad leaved weeds such as clearvers, geranium wilfordii, white dead nettle, corn gromwell, corn poppy, chickweed, and grassy weed and the sedge weed such as amur foxtail, annual bluegrass, pneumatic shear thigh Ying, perennial ryegrass, unreal bromegrass.This medicament has good selectivity to wheat, does not find residually on wheat straw and wheat, and its leaching thing can not form pollution to earth's surface and underground water, therefore environmentally safe, residual effect is moderate, on succession crop without impact.
By the screening of different pesticide species compounded formulas, filter out rational formula, can effectively improve the actual control efficiency to disease pest and weed, expanding prevention spectrum, reduce dosage, reduce costs, alleviate the pollution to environment, delaying the drug-fast generation of disease pest and weed, is the important means of the upper disease pest and weed comprehensive regulation of agricultural.
The inventor conducts in-depth research the composite use of flucarbazone and fluazolate, on the basis of a large amount of formula indoor screenings and field medicine effect test, find that flucarbazone and fluazolate carry out composite, within the scope of certain compound proportion, wheat weeds is shown to obvious synergistic function, after further study, completed the present invention.
Not yet find at present the relevant report that flucarbazone and fluazolate are composite.
Summary of the invention
The object of this invention is to provide a kind ofly there is synergistic function, expand herbicide spectrum, use cost is low, control efficiency the is good Wheat field weeding composition that contains flucarbazone and fluazolate.
The technical scheme that realizes the object of the invention is: a kind of Herbicidal combinations that contains flucarbazone and fluazolate, active ingredient is flucarbazone and fluazolate, the ratio of weight and number of flucarbazone and fluazolate is 10:1～1:30, flucarbazone and the fluazolate gross weight percentage composition in Herbicidal combinations is 0.1%～85%, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Preferably, the ratio of weight and number of flucarbazone and fluazolate is 2:1～1:10.
Herbicidal combinations of the present invention is prepared into and is applicable to upper any one formulation using of agricultural by known method, and reasonable formulation has water dispersible granules, wetting powder, aqueous suspension agent and oil-suspending agent.The processing technology of the various preparations of the present composition is prior art, can change to some extent according to different situations.
The auxiliary agent using in Herbicidal combinations of the present invention comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to the known substance of active ingredient stable and performance drug effect in preparation, be all various compositions conventional in pesticidal preparations or that permission is used, concrete composition and consumption require to determine by test according to formula.
Product described in the invention can finished product preparation form provide, in composition, each material mixes, the form that the composition of composition also can single dose provides, and before use, directly in tank or bucket, mixes, and is then diluted to needed concentration.The frequency of administration of the present composition and amount of application change with weather conditions and weeds situation, can be by using suitable dosage to reach the object of preventing and kill off.
Herbicidal combinations of the present invention is applicable to prevent and kill off farmland weed, especially wheat paddock grassy weed and broad leaved weed.
Herbicidal combinations provided by the invention, adopts the method for spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.Such as conventional agricultural chemicals using method: spray-on process, powder injection process, pesticide-clay mixture method etc.
The frequency of administration of the present composition and amount of application have small variations with crops, weeds, weather condition variation, can be by using suitable dosage to reach the object of effective control.
Compared with prior art, the invention has the advantages that:
1, flucarbazone and fluazolate compositely have synergistic function, have obviously improved the control efficiency to weeds than the independent use of single dose, have expanded herbicide spectrum.
2, two kinds of active ingredients of flucarbazone and fluazolate are composite, and the mechanism of action is different, can delay the generation of herbicide resistance.
3, two kinds of active ingredients of flucarbazone and fluazolate are composite, reduced agricultural chemicals usage amount, reduced use cost, alleviated the pollution to environment.
Embodiment
In order to understand better essence of the present invention, below in conjunction with embodiment, content of the present invention is described further, but can not be considered as limitation of the present invention.
(1) formulation embodiment
In following each embodiment, active ingredient adopts the former medicine of 95% flucarbazone and the former medicine of 96% fluazolate, and each component percentage composition is weight percentage.
Embodiment 1:70% flucarbazone fluazolate water dispersible granules.
Flucarbazone 10%, fluazolate 60%, sodium butylnaphthalenesulfonate 8%, alkylphenol polyoxyethylene sulphate 5%, urea 2%, white carbon 10%, kaolin supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, disintegrant and solid carrier are mixed, pulverize with micro jet, through mediating, then add in fluidized bed prilling dryer and carry out granulation, dry, screening, can make 70% flucarbazone fluazolate water dispersible granules.
Embodiment 2:80% flucarbazone fluazolate wetting powder.
Flucarbazone 30%, fluazolate 50%, lauryl sodium sulfate 5%, fatty acid ester sulphate 5%, diatomite supplies 100%.By above-mentioned, active ingredient, dispersant, wetting agent and solid carrier are mixed, after mechanical disintegration, again through air-flow crushing, mix, can make 80% flucarbazone fluazolate wetting powder.
Embodiment 3:40% flucarbazone fluazolate aqueous suspension agent.
Flucarbazone 20%, fluazolate 20%, fatty alcohol-polyoxyethylene ether 8%, polycarboxylate 5%, propane diols 2%, xanthans 1%, silicone oil 0.5%, deionized water supplies 100%.The sand milling in high speed shear dispersion, sand mill by above-mentioned active ingredient and auxiliary agent, the high dispersive forming in water-medium, stable suspension system, can make 40% flucarbazone fluazolate aqueous suspension agent.
Embodiment 4:30% flucarbazone fluazolate oil-suspending agent.
Flucarbazone 10%, fluazolate 20%, alkylphenol polyoxyethylene 10%, neopelex 10%, aluminium-magnesium silicate 2%, methyl oleate supplies 100%.By above-mentioned active ingredient and auxiliary agent through high speed shear disperse, sand mill sand milling, the high dispersive forming in non-water-medium, stable suspension system, can make 30% flucarbazone fluazolate oil-suspending agent.
Embodiment 5:1% flucarbazone fluazolate granule.
Flucarbazone 0.5%, fluazolate 0.5%, gelatinized starch 20%, lauryl sodium sulfate 10%, fatty alcohol-polyoxyethylene ether 10%, kaolin complements to 100%.Concrete production stage is: first above-mentioned active ingredient, binding agent, dispersant, wetting agent and solid carrier are mixed; after mechanical disintegration again through air-flow crushing; mix; make wetting powder; then by the granulation that adds water in this wetting powder input granulating disc;, screening dry by drying, cooling cylinder are cooling, can make 1% flucarbazone fluazolate granule.
(2) indoor biological activity determination and field efficacy checking embodiment
Embodiment 6: flucarbazone cauline leaf spraying mixed with fluazolate processed the indoor synergy of weeds is measured.
1.1 for trying target: wild oat (Avena fatua L.), clearvers (Galium aparine L.var.tenerum (Gren.et Godr.) Rcbb.) field are collected seed and preserved.
1.2 test medicines: the former medicine of flucarbazone 95%, the former medicine of fluazolate 96%.
1.3 medicaments configuration designs: flucarbazone single dose is mixed with 4,12,20g a.i./ha solution for standby; Fluazolate single dose is mixed with 10,45,80g a.i./ha solution for standby; Flucarbazone and fluazolate mixture are mixed with 4+10,4+45,4+80,12+10,12+45,12+80,20+10,20+45,20+80g a.i./ha solution for standby.
1.4 test methods: at high 6cm, the in-built quantitative soil of porcelain alms bowl of diameter 9cm, by 15～20 sowings of target weed seed in porcelain alms bowl, after the fine earth of lid 0.5～1cm, be placed in greenhouse and cultivate, treat that target weeds grew to for 2～4 leaf phases, carrying out cauline leaf spraying processes, every porcelain alms bowl quantitatively sprays 1ml, every processing repeats for 4 times, and establish not the contrast that is treated to containing medicament, after processing, examination material is placed in greenhouse and cultivates, the growing state of routine observation target weeds, after 15d, estimate target be injured symptom and growth inhibition situation, and claim acrial part fresh weight, evaluate the toxicity action of medicament to target weeds with target fresh weight inhibiting rate.
1.5 investigation methods:
Test is processed and is estimated target be injured symptom and growth inhibition situation after 15d, and claims acrial part fresh weight, calculates fresh weight inhibiting rate (%).
1.6 synergy evaluation methods:
Evaluate weed killer herbicide associated form (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
E
0﹦X﹢Y–XY／100
In formula, X is flucarbazone fresh weight inhibiting rate to target weeds when alone with certain dosage; Y is fluazolate fresh weight inhibiting rate to target weeds when alone with certain dosage; E
0theoretical value to target weeds fresh weight inhibiting rate during for flucarbazone, two kinds of pharmacy mix of fluazolate; Measured value to target weeds fresh weight inhibiting rate when E is flucarbazone, two kinds of pharmacy mix of fluazolate.
Evaluation criterion: as E – E
0when > 10%, be expressed as synergistic effect; As ﹣ 10%≤E – E
0≤ 10% time, show as summation action; As E – E
0when < ﹣ 10%, show as antagonism.
1.7 data statistic analysis:
All test datas all adopt DPS v14.10 statistical software to analyze.
1.8 results and analysis:
As can be seen from Table 1, flucarbazone and fluazolate are processed with the ratio mixture cauline leaf spraying of active ingredient 4+10,4+45,4+80,12+10,12+45,12+80,20+10,20+45,20+80 respectively, to the E-E of wild oat
0(%) value is respectively 13.68,12.19,14.24,17.98,15.79,13.99,14.07,13.22,10.87, is all greater than 10%, illustrates wild oat is all shown to synergistic effect; To the E-E of clearvers
0(%) value is respectively 15.56,16.56,12.75,15.93,17.78,14.41,15.60,18.88,12.20, all be greater than 10%, illustrate clearvers is all shown to synergistic effect, visible flucarbazone and fluazolate be composite has reasonability and feasibility.
The synergy measurement result to weeds is processed in the mixed cauline leaf spraying of table 1, flucarbazone and fluazolate.
Embodiment 7: the flucarbazone test of pesticide effectiveness to weeds of wheat mixed with fluazolate
More wheat paddock occurs for test selection amur foxtail, wild oat, clearvers and Veronica carries out.4 processing are established in test altogether, 3 repetitions are established in every processing, processing 1 is 70% flucarbazone fluazolate water dispersible granules, processing 2 is 70% flucarbazone water dispersible granules, processing 3 is 70% fluazolate water dispersible granules, process 4 for contrast (not weeding of not dispenser), add up each processing number of weeds amount and calculate preventive effect after 30 days, result of the test is in table 2.
Table 2, the test of pesticide effectiveness result of 70% flucarbazone fluazolate water dispersible granules to weeds of wheat.
As can be seen from Table 2,70% flucarbazone fluazolate water dispersible granules will use separately apparently higher than 70% flucarbazone water dispersible granules and 70% fluazolate water dispersible granules the preventive effect of amur foxtail, wild oat, clearvers and Veronica, after while medicine, the preventive effect of 30 days, still more than 90%, illustrates that this compound drug has the good lasting period.In pilot survey process, do not find that this compound drug produces poisoning to wheat.As can be seen here, this Herbicidal combinations is worth applying in agricultural production.
Claims (4)
1. a Herbicidal combinations that contains flucarbazone and fluazolate, it is characterized in that: active ingredient is flucarbazone and fluazolate, the ratio of weight and number of flucarbazone and fluazolate is 10:1～1:30, and flucarbazone and the fluazolate gross weight percentage composition in Herbicidal combinations is 0.1%～85%.
2. a kind of Herbicidal combinations that contains flucarbazone and fluazolate according to claim 1, is characterized in that: the preferred weight portion rate of flucarbazone and fluazolate is 2:1～1:10.
3. a kind of Herbicidal combinations that contains flucarbazone and fluazolate according to claim 1, is characterized in that: in described Herbicidal combinations, also contain the auxiliary element that pesticidal preparations is conventional, to make the formulation products that is adapted at using in agricultural production.
4. a kind of Herbicidal combinations that contains flucarbazone and fluazolate according to claim 1, is characterized in that: be applicable to prevent and kill off wheat paddock grassy weed and broad leaved weed.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998012923A1 (en) * | 1996-09-23 | 1998-04-02 | Bayer Aktiengesellschaft | Selective herbicides based on arylsulphonylaminocarbonyltriazolinones |
| CN1449247A (en) * | 2000-06-30 | 2003-10-15 | 拜尔农作物科学股份公司 | Aryl sulfonyl amino carbonyl triazole based selective herbicides |
| CN1915025A (en) * | 1999-11-19 | 2007-02-21 | 拜尔公司 | Carbamoyl triazolinone-based herbicides |
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- 2013-12-09 CN CN201310666920.2A patent/CN103766371A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998012923A1 (en) * | 1996-09-23 | 1998-04-02 | Bayer Aktiengesellschaft | Selective herbicides based on arylsulphonylaminocarbonyltriazolinones |
| CN1915025A (en) * | 1999-11-19 | 2007-02-21 | 拜尔公司 | Carbamoyl triazolinone-based herbicides |
| CN1449247A (en) * | 2000-06-30 | 2003-10-15 | 拜尔农作物科学股份公司 | Aryl sulfonyl amino carbonyl triazole based selective herbicides |
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Application publication date: 20140507 |