CN104839163A - Herbicidal composition containing imazapic and haloxyfop-R-methyl - Google Patents
Herbicidal composition containing imazapic and haloxyfop-R-methyl Download PDFInfo
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- CN104839163A CN104839163A CN201510189220.8A CN201510189220A CN104839163A CN 104839163 A CN104839163 A CN 104839163A CN 201510189220 A CN201510189220 A CN 201510189220A CN 104839163 A CN104839163 A CN 104839163A
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- haloxyfop
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Abstract
The invention discloses an herbicidal composition, active ingredients of which are imazapic and haloxyfop-R-methyl. Mass ratio of imazapic to haloxyfop-R-methyl is 10:1-1:10. The pesticide composition is suitable for peanut fields and is used for controlling annual weeds in peanut fields. It is appropriate to use the herbicidal composition by a postemergence spraying method. After compounding of imazapic and haloxyfop-R-methyl, the herbicidal composition has an obvious synergistic effect. Dosage of the active ingredients of the compound drug is obviously reduced in comparison with dosage of a single ingredient.
Description
Technical field
The Herbicidal combinations that the present invention relates to, be with AC 263222 and haloxyfop-r-methyl for active ingredient, for preventing and treating farmland weed, be particularly useful for preventing and kill off Peanut Fields annual weed etc.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, because some weed killer herbicide kind large area are used alone, a lot of weeds have been caused to develop immunity to drugs.Simultaneously, grass when weeds occur is mutually complicated, not only annual and perennial weed is mixed raw, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, low age, the staggered generation of weeds at advanced age, so when weed killer herbicide kind is used alone, defect in a certain respect and limitation all can be shown.
AC 263222, is a kind of new herbicides of efficient, wide spectrum, all has good preventive effect to single, double cotyledon weeds, not only can soil treatment, but also can cauline leaf spraying.Hundred ridges are logical is a kind of strong in absorption weeding chaste tree, weeds acrial part plant can not only be killed well, and also have stronger preventive effect to the root of underground part and subterranean stem.By suppressing the acetolactate synthestase of plant, stoping branched-chain amino acid as the biosynthesis of valine, leucine, isoleucine, thus destroying the synthesis of protein, dry anti-DNA synthesis and cell division and growth, finally cause plant dead.
Haloxyfop-r-methyl, can be absorbed by the blade of grassy weed very soon after dispenser, and conduct to whole plant, suppress the growth of plant meristematic tissue, thus kill weeds, lasting period is long, after emerging, all have good preventive effect to the annual of initial stage of tillering, ear and perennial grassy weed.To various broad leaf crop high safety under normal service condition, excellent herbicidal effect still can be shown under low temperature, drought condition, to perennial obstinate grassy weeds such as reed, cogongrass, Bermuda grass, there is remarkable preventive effect, to broad leaf crop high safety, effect stability under cryogenic conditions.
When AC 263222 and the single use of haloxyfop-r-methyl, all there are certain defect and limitation.
The mixture of the present inventor to AC 263222 and haloxyfop-r-methyl conducts in-depth research, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that AC 263222 and haloxyfop-r-methyl carry out mixture, within the scope of certain mixed ratio, obvious synergistic effect is shown to peanut ground weeds, after further study, the present invention is completed.
Mixture and the application of AC 263222 and haloxyfop-r-methyl there is no report at present.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is to provide and is used for preventing and kill off farmland weed by this Herbicidal combinations, is particularly useful for preventing and kill off Peanut Fields annual weed etc.
Technical solution of the present invention: a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl, active ingredient is AC 263222 and haloxyfop-r-methyl; The mass ratio of AC 263222 and haloxyfop-r-methyl is 10:1 ~ 1:10; AC 263222 and haloxyfop-r-methyl gross mass mark percentage composition is in the composition 1.0 ~ 80%.
Herbicidal combinations of the present invention is prepared into any one formulation being applicable to agriculturally using by known method, reasonable formulation is aqueous emulsion, suspending agent.
The auxiliary agent used in Herbicidal combinations of the present invention comprise solvent, dispersant, stabilizing agent, emulsifier, antifreezing agent, thickener etc. and other to be of value to active ingredient stable and play the known substance of drug effect in the formulation, all various compositions that are conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by simple test according to recipe requirements.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.The frequency of administration of the present composition and amount of application change with weather condition and crop condition change, can by the object using suitable formulation to reach control.
The present composition is applicable to prevent and treat annual weed, especially Peanut Fields annual weed.
Compared with prior art, beneficial effect of the present invention is, composite have obvious synergistic effect, improves control efficiency; Expand control spectrum; Two kinds of active ingredients are composite, reduce Pesticide use amount, thus reduce cost and decrease the pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Embodiment 1: indoor biometrics is tested.
Test material:
Kitchen garden, Ma Tang (field collection Seed storage).
Test apparatus:
Controlled illumination box; The accurate laboratory spray tower of POTTER; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method:
First take the former medicine of 96% AC 263222 of certain mass, the former medicine of 95% haloxyfop-r-methyl, adds the Tween 80 aqueous solution dilution that acetone fully dissolves rear use 0.1%, is mixed with single dose mother liquor respectively, arrange serial proportioning according to mixture object, each proportioning arranges 5 ~ 7 concentration gradients.Select representative susceptible weeds seed for subsequent use according to single dose herbicide spectrum.After carrying out soil treatment by selecting the process of numbering, to be placed in illumination box incubated at room temperature 10 days, to calculate control efficiency (fresh weight), then with method of least squares calculate suppress in dense EC
50(95% confidence limit), then calculate co-toxicity coefficient (CTC) by the abundant method of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100
Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
Measurement result shows, AC 263222 and haloxyfop-r-methyl are between proportioning 10:1 ~ 1:10, and have obvious synergistic effect, co-toxicity coefficient is more than 120.
Table 1, AC 263222 and haloxyfop-r-methyl are to the synergy measurement result of kitchen garden
Table 2, AC 263222 and haloxyfop-r-methyl are to the synergy measurement result of Ma Tang
Embodiment 2:16% AC 263222 haloxyfop-r-methyl suspending agent.
Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 16% AC 263222 haloxyfop-r-methyl suspending agent of allotment after high shear mixing.
This embodiment is used for preventing and kill off Peanut Fields annual weed, 16% AC 263222 haloxyfop-r-methyl suspending agent consumption 120g.a.i./ha Seal treatment, and after medicine, 10 days preventive effects are 95.2%; 24% AC 263222 aqua consumption 75g.a.i./ha soil treatment, after medicine, 10 days preventive effects are 68.6%; 15% haloxyfop-r-methyl missible oil consumption 75g.a.i./ha soil treatment, after medicine 10 days 63.7%.Obviously, 16% AC 263222 haloxyfop-r-methyl suspension emulsion is prevented and kill off Peanut Fields annual weed drug effect and is obviously better than 5% AC 263222 suspending agent and 15% haloxyfop-r-methyl missible oil for AC 263222 and the composite rear synergy of haloxyfop-r-methyl acid.Because pharmacy control efficacy improves, compound drug effective ingredient consumption reduces, and expands herbicide spectrum, reduces drug cost, delay the generation of disease drug resistance, decrease environmental pollution.
Embodiment 3:12% AC 263222 effective haloxyfop water emulsion.
Above-mentioned formula is mixed in proportion, shears obtained 12% AC 263222 effective haloxyfop water emulsion.
This embodiment is used for preventing and kill off Peanut Fields annual weed, 12% AC 263222 effective haloxyfop water emulsion consumption 99g.a.i./ha soil treatment, and after medicine, 10 days preventive effects are 90.8%; 24% AC 263222 aqua consumption 75g.a.i./ha soil treatment, after medicine, 10 days preventive effects are 73.7%; 15% haloxyfop-r-methyl missible oil consumption 75g.a.i./ha soil treatment, after medicine 10 days 66.1%.Obviously, 12% AC 263222 effective haloxyfop water emulsion is prevented and kill off Peanut Fields annual weed drug effect and is obviously better than 24% AC 263222 aqua and 15% haloxyfop-r-methyl missible oil for AC 263222 and the composite rear synergy of haloxyfop-r-methyl.Because pharmacy control efficacy improves, compound drug effective ingredient consumption reduces, and expands herbicide spectrum, reduces drug cost, delay the generation of disease drug resistance, decrease environmental pollution.
Claims (6)
1. contain a Herbicidal combinations for AC 263222 and haloxyfop-r-methyl, it is characterized in that: active ingredient is AC 263222 and haloxyfop-r-methyl.
2. a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl according to claim 1, is characterized in that: the mass ratio of AC 263222 and haloxyfop-r-methyl is 10:1 ~ 1:10.
3. a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl according to claim 1 and 2, is characterized in that: AC 263222 and haloxyfop-r-methyl gross mass mark percentage composition is in the composition 1.0 ~ 80%.
4. a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl according to claim 1 and 2, it is characterized in that: also containing pesticidal preparations auxiliary element in described Herbicidal combinations, so that herbicidal composition makes the formulation being applicable to agriculturally using.
5. a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl according to claim 4, is characterized in that: its formulation is the one in suspending agent, aqueous emulsion.
6. a kind of Herbicidal combinations containing AC 263222 and haloxyfop-r-methyl is preventing and kill off the application in Peanut Fields annual weed according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189220.8A CN104839163A (en) | 2015-04-18 | 2015-04-18 | Herbicidal composition containing imazapic and haloxyfop-R-methyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189220.8A CN104839163A (en) | 2015-04-18 | 2015-04-18 | Herbicidal composition containing imazapic and haloxyfop-R-methyl |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358866A (en) * | 2016-08-31 | 2017-02-01 | 甘肃巨龙供销（集团）股份有限公司 | Liquorice field weeding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023832A1 (en) * | 1999-01-29 | 2000-08-02 | American Cyanamid Company | Aqueous suspension concentrate |
| CN103329906A (en) * | 2013-06-07 | 2013-10-02 | 安徽嘉联生物科技有限公司 | Weed killer for preventing and killing weeds in peanut fields |
| CN104285995A (en) * | 2014-09-19 | 2015-01-21 | 河南中天恒信生物化学科技有限公司 | Compound herbicide containing haloxyfop-R-methyl, bentazone and imazapic and application of compound herbicide |
-
2015
- 2015-04-18 CN CN201510189220.8A patent/CN104839163A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023832A1 (en) * | 1999-01-29 | 2000-08-02 | American Cyanamid Company | Aqueous suspension concentrate |
| CN103329906A (en) * | 2013-06-07 | 2013-10-02 | 安徽嘉联生物科技有限公司 | Weed killer for preventing and killing weeds in peanut fields |
| CN104285995A (en) * | 2014-09-19 | 2015-01-21 | 河南中天恒信生物化学科技有限公司 | Compound herbicide containing haloxyfop-R-methyl, bentazone and imazapic and application of compound herbicide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358866A (en) * | 2016-08-31 | 2017-02-01 | 甘肃巨龙供销（集团）股份有限公司 | Liquorice field weeding method |
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