CN105638679A - Weeding composition - Google Patents
Weeding composition Download PDFInfo
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- CN105638679A CN105638679A CN201610173497.6A CN201610173497A CN105638679A CN 105638679 A CN105638679 A CN 105638679A CN 201610173497 A CN201610173497 A CN 201610173497A CN 105638679 A CN105638679 A CN 105638679A
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- CN
- China
- Prior art keywords
- fluroxypyr
- ester
- different monooctyl
- fluorine chloropyridine
- monooctyl ester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
Abstract
The invention belongs to the technical field of pesticides, and relates to a weeding composition. The weeding composition is characterized by comprising three active ingredients of halauxifen-methyl, carfentrazone-ethyl and fluroxypyr. The weeding composition has the advantages that the weeding spectrum is broad, the weeding effect is obvious, the safety of crops is realized, the lasting period is prolonged, and the synergistic function is obvious.
Description
Technical field
The invention belongs to technical field of pesticide, specifically the ternary weeding composition of fluorine-containing chloropyridine ester, azoles oxadiazon and the different monooctyl ester of fluroxypyr.
Background technology
Semen Tritici aestivi is grass, is be distributed in the world the widest cereal crops, and sown area is the hat of cereal crops. China's wheat planting is with a long history, and distributional region covers Henan, Shandong, Jiangsu, Hebei, Hubei, Anhui etc. and economizes. Weeds are one of main harm of harm wheat growth, in order to make improving yield of wheat, it is necessary to weeds of wheat is prevented and treated. In recent years, reasonable selection wheat field herbicide closely becomes the important technical links guaranteeing that Semen Tritici aestivi is kept the safety in production, but owing to drug of choice is improper or the technology of use is not in place, prevention effect is undesirable or causes the phenomenons such as poisoning to occur repeatedly. Therefore in the urgent need to a kind of to environment with crop safety, the herbicide that control of weeds effect is good again, so both saving manpower and materials, also environmentally safe and human health brings safely guarantee.
Fluorine chloropyridine ester (halauxifen-methyl) is the wheat field herbicide developed by Tao Nongke company of the U.S. (DowAgroSciences), for preventing and treating broad leaved weed after bud. This one-tenth belongs to pyridine carboxylic acid class herbicide. Fluorine chloropyridine ester is the first product in synthetic auxin class herbicide in the new chemical type of aryl-pyridine acid. It simulates the effect of high dose plant growth regulator, causes the overstimulation of specific auxin regulator gene, multiple growth courses of interference sensitive plant. Almost without residual action after this herbicide bud post processing, to many rotation crops of plantation in 10 months after medication, optional leeway is big. Herba veronicae, Herba stellariae mediae and cannabis weeds carry out resistance management. Additionally, fluorine chloropyridine ester can pass through microorganism fast degradation in the environment, provide bigger motility for succeeding crop plantation.
Azoles oxadiazon (carfentrazone-ethyl) is a kind of contact killing type selective herbicide, for preventing and treating wheat paddock broadleaved herb and dried tuber, when there being light, in chlcrophyll biosynthesis process, by suppressing proporphyrinogen oxidase to cause the accumulation of poisonous intermedium, thus destroying the cell membrane of weeds, make blade withered, dead rapidly. This composition herbicide speed is fast, and little by low temperature effect, medication chance is wide, can medication when temperature drops to very low before the winter, also can get the jump on the timely medication in rainy day gap spring frequently in rainfall, and succession crop is fool proof, be the fine herbicide eliminated spring of wheatland.
The different monooctyl ester of fluroxypyr (fluroxypyr) is the organic heterocyclic class selectivity inner sucting conduction type herbicide after seedling developed by Tao Nongke company of the U.S. (DowAgroSciences), it is applicable to prevent and kill off the various broad leaved weeds of gramineous crop Tanaka such as Semen Tritici aestivi, Fructus Hordei Vulgaris, Semen Maydis, grassy weed and dried tuber is invalid.To crop safety, in drug resistance crop body, lose toxicity in combinations with conjugates. In soil degradable, the half-life is shorter, succession crop will not be caused poisoning.
The use lack of standardization of current herbicide, result in various places constantly has the report of herbicide resistance and poisoning. The composite mixed of pesticide is to alleviate poisoning at present, improves the most economical effective method of drug effect, and meanwhile, various herbicides are because of the difference of its chemical composition, physicochemical property, and herbicide scope is also different, and herbicide mixture can expand the herbicidal spectrum of complex preparation. Therefore we are by fluorine chloropyridine ester, herbicide mixture that three kinds of herbicide effect modes of azoles oxadiazon and the different monooctyl ester of fluroxypyr are different, to reduce the generation of resistance, expand herbicide spectrum, reduce the impact on soil environment, increase economic efficiency.
Summary of the invention
The shortcoming that present invention aims to prior art, it is provided that a kind of herbicidal effect is good, quick-acting is high, the lasting period is long, herbicidal composition simultaneously environmentally safe, easy to use, to reducing peasant's dispenser cost, increases economic efficiency. It is specifically related to the Herbicidal combinations that fluorine chloropyridine ester, azoles oxadiazon and the different monooctyl ester of fluroxypyr are composite.
Utilize above-mentioned Herbicidal combinations, be equipped with the known auxiliary agent of those skilled in that art, with those skilled in that art's known method, make and dispersible oil-suspending agent, water dispersible granules and suspension emulsion.
In above-mentioned Herbicidal combinations, containing fluorine chloropyridine ester 1%-20%, azoles oxadiazon 1%-30%, the different monooctyl ester 1%-30% of fluroxypyr.
Above-mentioned Herbicidal combinations is mainly used in preventing and treating wheat paddock broad leaved weed.
Above-mentioned Herbicidal combinations has the advantage that and beneficial effect: 1. effective ingredient is novel, and the mechanism of action is unique; 2. dosage form is novel, it is possible to increase effective ingredient drug effect; 3. to Semen Tritici aestivi safety, to succession crop safety; 4. three kinds of herbicide mixtures have potentiation, consumption all than single use time reduce, stability increase.
Detailed description of the invention
After verifying that fluorine chloropyridine ester, azoles oxadiazon and three kinds of effective ingredient of the different monooctyl ester of fluroxypyr are composite, the preventing and treating of wheat paddock broad leaved weed there is good potentiation, first applicant tests under room temperature condition of pot, to determine fluorine chloropyridine ester, azoles oxadiazon, the different monooctyl ester of fluroxypyr and different blended combo conjunction herbicidal effect thereof, evaluate its synergy.
Herbicidal spectrum according to two kinds of effective ingredient, life is surveyed object and is decided to be descurainia sophia (l.) webb ex prantl, Herba veronicae by us, is embodied as situation as follows:
The preparation of test medicine solution:
Fluorine chloropyridine ester solution: accurately weigh the fluorine former medicine of chloropyridine ester of constant weight 95%, dissolves by proper amount of methanol, adds containing the clear water of 0.1% Tween 80 emulsifying agent, stirring to uniformly, solution containing certain effective ingredient.
Azoles oxadiazon solution: accurately weigh the former medicine of azoles oxadiazon of constant weight 95%, dissolves by proper amount of methanol, adds containing the clear water of 0.1% Tween 80 emulsifying agent, stirring to uniformly, solution containing certain effective ingredient.
Fluroxypyr different monooctyl ester solution: accurately weigh the fluroxypyr former medicine of different monooctyl ester of constant weight 95%, dissolves by proper amount of methanol, adds containing the clear water of 0.1% Tween 80 emulsifying agent, stirring to uniformly, solution containing certain effective ingredient.
Placebo solution: add the water of the Tween 80 emulsifying agent of equivalent 0.1% with the methanol of equivalent.
Test method is as follows: the medicament activity to descurainia sophia (l.) webb ex prantl, Herba veronicae after adopting the inspection of colby method mixed, soil at high 7cm, the polypots amount of setting of diameter 10cm, by 20 the uniform sowings of seed for examination weeds in polypots, the thin sand and soil that lid 0.5-1cm is thick, it is placed on room temperature (about 20 DEG C) daylight to cultivate, the above-mentioned former drug solns prepared carries out medicinal liquid that is composite and that be diluted to finite concentration gradient, stem and leaf spraying process is carried out when weed growth to 3-5 leaf phase, every alms bowl spraying liquid 1ml, each process 4 repetition, uses blank solution to compare.After process, test material is placed in room temperature and cultivates, the growing state of routine observation weeds, estimates damage symptoms and the growth inhibited situation of target weeds, weighs strain fresh weight, calculate fresh weight inhibition (%) after 21 days.
Evaluation of effect method, evaluates herbicide mode of application according to colby method, and its formula is as follows:
E0=A+B+C
E in formula0It it is the theoretical preventive effect after three kinds of effective ingredient mixtures, weeds suppressed, E is the actual measurement preventive effect after three kinds of effective ingredient mixtures, weeds suppressed, A is fluorine chloropyridine ester preventive effect to target weeds at this dose, B is azoles oxadiazon preventive effect to target weeds at this dose, C is the different monooctyl ester of fluroxypyr preventive effect to target weeds at this dose, E-E0For the synergy coefficient of mixture preparation, in order to evaluate the synergism of two kinds of effective ingredient, work as E-E0> 10% is potentiation, E-E0<-10% is antagonism, E-E0Value is addition between theoretical value �� 10%.
Table 1 fluorine chloropyridine ester, azoles oxadiazon and the fluroxypyr different monooctyl ester different ratio result of the test to descurainia sophia (l.) webb ex prantl activity of weeding
Upper table it can be seen that composite between three kinds of effective ingredient, synergy coefficient equal 16%, the preventive effect of descurainia sophia (l.) webb ex prantl is had obvious potentiation.
Table 2 fluorine chloropyridine ester, azoles oxadiazon and the fluroxypyr different monooctyl ester different ratio result of the test to Herba veronicae activity of weeding
Upper table it can be seen that composite between three kinds of effective ingredient, synergy coefficient equal 16%, the preventive effect of Herba veronicae is had good potentiation.
Below by way of instantiation in order to further describe the present invention, but the present invention is only limited to absolutely not these embodiments following. In formula, percentage ratio is all weight percentage, and the former medicine used and auxiliary agent are other producers and provide. Formulation examples is as follows:
The embodiment 113% fluorine chloropyridine ester different monooctyl ester suspension emulsion of azoles oxadiazon fluroxypyr
The embodiment 242% fluorine chloropyridine ester azoles different monooctyl ester of oxadiazon fluroxypyr dispersibles oil-suspending agent
The embodiment 329% fluorine chloropyridine ester azoles different monooctyl ester of oxadiazon fluroxypyr dispersibles oil-suspending agent
The embodiment 424% fluorine chloropyridine ester different monooctyl ester water dispersible granules of azoles oxadiazon fluroxypyr
The embodiment 530% fluorine chloropyridine ester azoles different monooctyl ester of oxadiazon fluroxypyr dispersibles oil-suspending agent
The embodiment 64% fluorine chloropyridine ester different monooctyl ester water dispersible granules of azoles oxadiazon fluroxypyr
The embodiment 740% fluorine chloropyridine ester different monooctyl ester suspension emulsion of azoles oxadiazon fluroxypyr
The embodiment 813% fluorine chloropyridine ester different monooctyl ester suspension emulsion of azoles oxadiazon fluroxypyr
The embodiment 950% fluorine chloropyridine ester different monooctyl ester suspension emulsion of azoles oxadiazon fluroxypyr
The embodiment 1030% fluorine chloropyridine ester different monooctyl ester water dispersible granules of azoles oxadiazon fluroxypyr
Above example is selected to carry out the field efficacy experiment of preventing and treating weeds of wheat, to determine the effect of formula preventing and treating weeds of wheat, simultaneously by compared with the different monooctyl ester single dose of fluorine chloropyridine ester, azoles oxadiazon and fluroxypyr, it is determined that the synergistic effect after composite, it is embodied as follows:
The 30% fluorine chloropyridine ester azoles different monooctyl ester of oxadiazon fluroxypyr dispersibles oil-suspending agent (dosage form English name: OD) and wheat field herbicide experiment prevented and treated by different preparation. Test site is Xinxiang area, Henan Province, time is on November 15th, 2014, test medicine all prepares according to examples detailed above and uses the bucket between two of 10% fluorine chloropyridine ester water dispersible granules (English dosage form title: WDG), 40% azoles oxadiazon water dispersible granules (English dosage form title: WDG), 22% fluroxypyr different monooctyl ester cream (English dosage form title: EC) and above-mentioned three kinds of single doses to infiltrate row comparison, and medicament carries out stem and leaf even spraying after being watered.Each process three repetition, community random alignment, plot area 100m2, respondent is descurainia sophia (l.) webb ex prantl and the Herba veronicae in field. Semen Tritici aestivi is survived the winter after turning green, and range estimation is tested medicament and Semen Tritici aestivi is occurred without poisoning. The record dispenser synoptic data of a week, specific as follows:
Meteorological data during table 3 test
Preventive effect calculates according to the following equation:
The test data of table 4 fluorine chloropyridine ester, azoles oxadiazon and the different monooctyl ester of fluroxypyr and different preparation preventing and treating weeds of wheat
From the data above this it appears that, after the different monooctyl ester ternary built of fluorine chloropyridine ester, azoles oxadiazon and fluroxypyr, all embodiments to the preventive effect of descurainia sophia (l.) webb ex prantl and Herba veronicae all more than 90%, far above the mixed preventive effects to two kinds of weeds of fluorine chloropyridine ester, azoles oxadiazon, fluroxypyr three kinds of single doses of different monooctyl ester and three kinds of single dose buckets between two, difference and notable. This complex preparation, dosage form is advanced, to Semen Tritici aestivi safety, without poisoning, succession crop impact is very little.
Claims (2)
1. a Herbicidal combinations, it is characterized in that: described compositions active component is made up of fluorine chloropyridine ester, azoles oxadiazon, the different monooctyl ester of fluroxypyr, the percentage by weight of described fluorine chloropyridine ester is 1%��20%, the percentage by weight of azoles oxadiazon is 1%��30%, and the percentage by weight of the different monooctyl ester of fluroxypyr is 1%��30%.
2. Herbicidal combinations according to claim 1, it is characterised in that: it is made up of effective ingredient and adjuvant and dispersibles oil-suspending agent, water dispersible granules, suspension emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173497.6A CN105638679A (en) | 2016-03-24 | 2016-03-24 | Weeding composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173497.6A CN105638679A (en) | 2016-03-24 | 2016-03-24 | Weeding composition |
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| CN105638679A true CN105638679A (en) | 2016-06-08 |
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| CN201610173497.6A Pending CN105638679A (en) | 2016-03-24 | 2016-03-24 | Weeding composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489944A (en) * | 2016-09-08 | 2017-03-15 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106489945A (en) * | 2016-09-08 | 2017-03-15 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106577717A (en) * | 2016-11-30 | 2017-04-26 | 广东中迅农科股份有限公司 | Corn field post-seedling weeding composition |
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|---|---|---|---|---|
| CN101360713A (en) * | 2006-01-13 | 2009-02-04 | 美国陶氏益农公司 | 6-(poly-substituted aryl)-4-aminopicolinates and their use as herbicides |
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN102316728A (en) * | 2008-11-24 | 2012-01-11 | 陶氏益农公司 | Safening 6-(trisubstituted phenyl)-4-amino-2-pyridinecarboxylate herbicide injury on direct seeded and transplanted paddy rice |
| WO2014206835A1 (en) * | 2013-06-26 | 2014-12-31 | Basf Se | Methods for improving the efficacy of anionic herbicides under hard water conditions and suitable compositions |
| CN104902755A (en) * | 2013-01-10 | 2015-09-09 | 美国陶氏益农公司 | Safening of 4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)pyridine-2-carboxylic acid and derviatives thereof on cereal crops |
-
2016
- 2016-03-24 CN CN201610173497.6A patent/CN105638679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360713A (en) * | 2006-01-13 | 2009-02-04 | 美国陶氏益农公司 | 6-(poly-substituted aryl)-4-aminopicolinates and their use as herbicides |
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN102316728A (en) * | 2008-11-24 | 2012-01-11 | 陶氏益农公司 | Safening 6-(trisubstituted phenyl)-4-amino-2-pyridinecarboxylate herbicide injury on direct seeded and transplanted paddy rice |
| CN104902755A (en) * | 2013-01-10 | 2015-09-09 | 美国陶氏益农公司 | Safening of 4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)pyridine-2-carboxylic acid and derviatives thereof on cereal crops |
| WO2014206835A1 (en) * | 2013-06-26 | 2014-12-31 | Basf Se | Methods for improving the efficacy of anionic herbicides under hard water conditions and suitable compositions |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489944A (en) * | 2016-09-08 | 2017-03-15 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106489945A (en) * | 2016-09-08 | 2017-03-15 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106577717A (en) * | 2016-11-30 | 2017-04-26 | 广东中迅农科股份有限公司 | Corn field post-seedling weeding composition |
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Application publication date: 20160608 |
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