CN103392733A - Herbicidal composition containing glufosinate-ammonium and carfentrazone - Google Patents
Herbicidal composition containing glufosinate-ammonium and carfentrazone Download PDFInfo
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- CN103392733A CN103392733A CN2013102672600A CN201310267260A CN103392733A CN 103392733 A CN103392733 A CN 103392733A CN 2013102672600 A CN2013102672600 A CN 2013102672600A CN 201310267260 A CN201310267260 A CN 201310267260A CN 103392733 A CN103392733 A CN 103392733A
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- ammonium phosphine
- azoles humulone
- carfentrazone
- weeds
- ammonium
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Abstract
The invention discloses a herbicidal composition containing glufosinate-ammonium and carfentrazone. The composition comprises active components of glufosinate-ammonium and carfentrazone, and the balance of adjuvants. Glufosinate-ammonium and carfentrazone in the herbicidal composition are in a weight ratio of 2:1-1:4, and the total weight of glufosinate-ammonium and carfentrazone accounts for 3-65 wt% in the herbicidal composition. According to the application requirements, the herbicidal composition can be prepared into one of the followings for control of weeds in no-crop field: a suspension agent, an oil suspension agent, a wettable powder and a water dispersion granule. The composition has control effect on weeds in no-crop field better than that of each single agent, and can reduce the dosage and delay drug resistance of weeds.
Description
Technical field
The present invention relates to a kind of agricultural chemicals Herbicidal combinations, is take careless ammonium phosphine and azoles humulone as active ingredient, is used for preventing and kill off the uncultivated area weeds.
Background technology
The chemical method weeding is one of upper Main Means of controlling weeds of agricultural.In recent years,, because some weed killer herbicide kind large tracts of land are used separately, caused a lot of weeds to develop immunity to drugs.Simultaneously, the grass when weeds occur is complicated mutually, and grassy weed, broad leaved weed, nutgrass flatsedge multiclass weeds mix and give birth to, and the single variety weed killer herbicide uses can not solve farmland weed, all can show in a certain respect defect and limitation.The variety classes weed killer herbicide is mixed, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, the time and labour saving advantage.
Grass ammonium phosphine, have another name called fourth grass phosphorus, hundred speed, english common name: glufosinate ammonium, chemical name: 2-amino-4-[hydroxyl (methyl) phosphono] the butyric acid ammonium, structural formula:
Grass ammonium phosphine belongs to broad-spectrum touch-out type weed killer herbicide, and systemic action is not strong, and to kill root different from glyphosate, and careless ammonium phosphine first kills leaf, can conduct at the plant xylem by the plant transpiration effect, between its quick-acting between paraquat and glyphosate.Many weeds are responsive to careless ammonium phosphine, and the substitute that can be used as glyphosate in the area of glyphosate generation resistance is used.
The azoles humulone, have another name called good fortune agriculture, go out spirit, triazolone grass ester, carfentrazone soon, english common name: carfentrazone-ethyl, chemical name: ethyl-2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2,4-triazol-1-yl]-the 4-fluorophenyl } ethyl propionate, structural formula:
The azoles humulone is a kind of contact killing type selective herbicide,, having under the condition of light, in the chlcrophyll biosynthesis process, causes the accumulation of poisonous intermediate by suppressing proporphyrinogen oxidase, thereby destroys the cell membrane of weeds, makes blade withered, dead rapidly.Carfentrazoneethyl is namely absorbed by plant leaf blade in 15 minutes after the spray medicine, it is not drenched with rain and affect, and after 3～4 hours, poisoning symptom just appears in weeds, death in 2～4 days.
The variety classes weed killer herbicide is mixed, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, the time and labour saving advantage.Screening by formulation of pesticide, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay disease, worm, the drug-fast generation of crop smothering, is the important means that agricultural synthesis is administered.The inventor conducts in-depth research the formula screening of careless ammonium phosphine and azoles humulone, finds that careless ammonium phosphine and azoles humulone are mixed, and in certain mixed ratio scope, the uncultivated area weeds is had synergy or summation action, after further study, has completed the present invention.
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 is good and the lasting period is long, can effectively prevent and kill off the Herbicidal combinations of uncultivated area weeds.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations that contains careless ammonium phosphine and azoles humulone, its active ingredient is careless ammonium phosphine and azoles humulone, and all the other are insecticides adjuvant.Grass ammonium phosphine and the ratio of quality and the number of copies of azoles humulone in Herbicidal combinations are 2:1～1:4, and the mass percent of quality summation in Herbicidal combinations of careless ammonium phosphine and azoles humulone is 3～65%.
Described Herbicidal combinations can, according to well known to a person skilled in the art method, be processed into the application forms of the suitable agricultural uses such as suspending agent, oil-suspending agent, wetting powder or water dispersible granules.
The insecticides adjuvant that uses in Herbicidal combinations of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., be all various auxiliary agents commonly used in Pesticide formulation, concrete composition and consumption required simple test to determine according to formula.
The production technology of the various application forms of composition pesticide provided by the invention all belongs to existing known technology, does not repeat them here.
Composition pesticide provided by the invention, usually adopt and be watered the spray method use, also can adopt as required other operation techniques of the upper application of agricultural.
Composition pesticide provided by the invention, should use in the uncultivated area weeds 2-3 leaf phase in use.
Herbicidal combinations provided by the invention has following beneficial effect.
1, Herbicidal combinations provided by the invention, enlarged the herbicide spectrum, show synergistic effect in certain ratio range, the preventive effect of composition is significantly improved than single dose, reduced the using dosage of agricultural chemicals, reduce the medication number of times, reduced drug cost and the agricultural chemicals risk to the ecotope adverse effect.
2, provided by the invention is Herbicidal combinations, can reduce the resistance risk that long-term use single compound produces, and extends the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
3, Herbicidal combinations provided by the invention, rapidly, the lasting period is long in the drug effect performance, and use cost is low, and is easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Technology origin of the present invention: be mixed to the synergy of weeds for further understanding careless ammonium phosphine and azoles humulone, the inventor is mixed and has carried out formulation screening test careless ammonium phosphine and azoles humulone.
Test material: chickweed [
Stellaria media] (field is collected seed and preserved).Barnyard grass [
Echinochloa crusgalli(L.) Beaw Setaria] (field is collected seed and is preserved).
Test apparatus: controlled illumination box; The accurate laboratory of POTTER spray tower; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method: the purity that first takes certain mass is 95% Glufosinate-ammonium, purity is the 90% former medicine of azoles humulone, add acetone fully to dissolve the Tween 80 aqueous solution dilution of rear use 0.1%, be mixed with respectively the single dose mother liquor, according to the purpose that is mixed, serial proportioning is set, each proportioning arranges 5～7 concentration gradients.Select representative susceptible weeds seed according to single dose herbicide spectrum, be cultured to 2 leaf 1 hearts standby.After the weeds cauline leaf of selecting numbering is processed, be placed in illumination box incubated at room temperature 20 days, calculate control efficiency (fresh weight), then with method of least squares calculate suppress in dense EC
50(95% confidence limit), then with the abundant method of Sun Yun, calculate co-toxicity coefficient (CTC).
Co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) * 100.
Theoretical toxicity index (TTI)=(percentage composition of A in toxicity index * mixture of A)+(percentage composition of B in toxicity index * mixture of B).
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100.
Measurement result show (in Table 1 and table 2), careless ammonium phosphine and azoles humulone are (mass ratio) between 2:1～1:4 at mixed ratio, have obvious synergy or summation action, especially at 2:1, synergistic effect is more obvious, co-toxicity coefficient is more than 151.72.
Table 1, different proportioning grass ammonium phosphine and azoles humulone are measured the synergy of barnyard grass.
Table 2, different proportioning grass ammonium phosphine and azoles humulone are measured the synergy of chickweed.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The following stated is only the present invention embodiment preferably, only is used for describing the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.
In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Preparation embodiment one(53% careless ammonium phosphine azoles humulone suspending agent):
Grass ammonium phosphine 23%,
Azoles humulone 30%,
Agriculture breast 1601# 20%,
To oleoyl amido methyl phenyl ethers anisole sulfonic acid 5%,
Alkyl phenol formaldehyde resin polyoxyethylene ether sulphate 4%,
Bentonite 3%,
Xanthans 0.1%,
Organosilicon 0.4%,
Glycerine 4%,
Deionized water complements to 100%.
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, allotment makes 53% careless ammonium phosphine azoles humulone suspending agent after high shear mixing.
Example of formulations two: (40% careless ammonium phosphine azoles humulone oil-suspending agent):
Grass ammonium phosphine 30%,
Azoles humulone 10%,
Vegetable oil 15%,
Bentonite 1%,
Methylated vegetable oil complements to 100%,
Above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve are become even oil phase; Under high-speed stirred, mix and make 40% careless ammonium phosphine azoles humulone oil-suspending agent.
Example of formulations three(30% careless ammonium phosphine azoles humulone wetting powder):
Grass ammonium phosphine 20%,
Azoles humulone 10%,
Lauryl sodium sulfate 3%,
Sodium butylnaphthalenesulfonate 3%,
Calcium lignosulfonate 5%,
White carbon 5%,
Kaolin to 100%.
Above-mentioned material is added in cone-type mixer and mixes together, by airslide disintegrating mill, pulverize, the material after pulverizing mixes through cone-type mixer again, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains 30% careless ammonium phosphine azoles humulone wetting powder.
Example of formulations four(25% careless ammonium phosphine azoles humulone water dispersible granules):
Grass ammonium phosphine 20%,
Azoles humulone 5%,
Lauryl sodium sulfate 4%,
Polycarboxylate 4%,
Urea 35%,
Kaolin to 100%.
Above-mentioned material is added in cone-type mixer and mixes together; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add in kneader and be kneaded into the plasticity material; finally this material is put into the Squeezinggranulator extruder grain, granulation namely makes 25% careless ammonium phosphine azoles humulone water dispersible granules by dry, screening.
Field control effectiveness test embodiment one: prevent and kill off uncultivated area weeds field control effectiveness test.
Reagent agent and dispenser dosage:
(1) 40% careless ammonium phosphine azoles humulone oil-suspending agent (30% careless ammonium phosphine: 10% azoles humulone), mu preparation 120.6 grams (1#).
(2) 53% careless ammonium phosphine azoles humulone suspending agents (23% careless ammonium phosphine: 30% azoles humulone), mu preparation 118.5 grams (2#).
Contrast medicament and dispenser dosage:
(3) 23% careless ammonium phosphine aquas, mu preparation 116.7 grams (3#).
(4) 40% azoles humulones hang water dispersion granule, mu preparation 2.4 grams (4#).
Dispenser period: the weeds 2-3 leaf phase, be watered even spraying.
Result of the test: in Table 3.As can be seen from the test results, after dispenser 15 days, Herbicidal combinations of the present invention to total preventive effects of uncultivated area weeds all more than 94.1%; After dispenser 30 days, total preventive effect was all more than 97.6%, and significantly better than the single dose of contrast, synergistic effect is remarkable, and has enlarged herbicidal spectrum, and quick-acting and lasting period obviously are better than single dose.
Table 3, control uncultivated area weeds field control effectiveness test result.
Claims (3)
1. Herbicidal combinations that contains careless ammonium phosphine and azoles humulone, it is characterized in that: active ingredient is careless ammonium phosphine and azoles humulone, grass ammonium phosphine and the ratio of quality and the number of copies of azoles humulone in Herbicidal combinations are 2:1～1:4, and the mass percent of quality summation in Herbicidal combinations of careless ammonium phosphine and azoles humulone is 3～65%.
2. the Herbicidal combinations that contains careless ammonium phosphine and azoles humulone according to claim 1 is characterized in that: its formulation is a kind of in suspending agent, oil-suspending agent, wetting powder or water dispersible granules.
3. the Herbicidal combinations that contains careless ammonium phosphine and azoles humulone according to claim 1, is characterized in that: be applicable to prevent and kill off the uncultivated area weeds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102672600A CN103392733A (en) | 2013-06-30 | 2013-06-30 | Herbicidal composition containing glufosinate-ammonium and carfentrazone |
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| CN2013102672600A CN103392733A (en) | 2013-06-30 | 2013-06-30 | Herbicidal composition containing glufosinate-ammonium and carfentrazone |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006512A (en) * | 2017-05-23 | 2017-08-04 | 合肥星宇化学有限责任公司 | A kind of Herbicidal combinations and its application |
| WO2019142045A1 (en) * | 2018-01-17 | 2019-07-25 | Upl Ltd | Herbicidal combinations |
| JP2020530025A (en) * | 2017-08-09 | 2020-10-15 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | A herbicide mixture containing L-glufosinate or a salt thereof and at least one protoporphyrinogen-IX oxidase inhibitor. |
| US12144351B2 (en) | 2017-08-09 | 2024-11-19 | Basf Se | Herbicidal mixtures comprising L-glufosinate and their use in corn cultures |
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| CN1312683A (en) * | 1998-08-13 | 2001-09-12 | 阿温提斯作物科学有限公司 | Herbicides for tolerant or resistant cereal cultures |
| US20020183206A1 (en) * | 1999-08-11 | 2002-12-05 | Monsanto Technology, Llc | Coformulation of carfentrazone-ethyl and a water-soluble herbicide |
| CN103371175A (en) * | 2012-04-25 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Glufosinate-ammonium-containing weeding composition |
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Patent Citations (3)
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| CN1312683A (en) * | 1998-08-13 | 2001-09-12 | 阿温提斯作物科学有限公司 | Herbicides for tolerant or resistant cereal cultures |
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| CN103371175A (en) * | 2012-04-25 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Glufosinate-ammonium-containing weeding composition |
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| LEE H.J.: "evaluation of carfentrazone-ethyl alone and in combination with glyphosate or glufosinate for weed control in orchards", 《KOR. J. WEED SCI》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006512A (en) * | 2017-05-23 | 2017-08-04 | 合肥星宇化学有限责任公司 | A kind of Herbicidal combinations and its application |
| JP2020530025A (en) * | 2017-08-09 | 2020-10-15 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | A herbicide mixture containing L-glufosinate or a salt thereof and at least one protoporphyrinogen-IX oxidase inhibitor. |
| US12144351B2 (en) | 2017-08-09 | 2024-11-19 | Basf Se | Herbicidal mixtures comprising L-glufosinate and their use in corn cultures |
| WO2019142045A1 (en) * | 2018-01-17 | 2019-07-25 | Upl Ltd | Herbicidal combinations |
| US20200337310A1 (en) * | 2018-01-17 | 2020-10-29 | Upl Ltd | Herbicidal Combinations |
| JP2021510705A (en) * | 2018-01-17 | 2021-04-30 | ユーピーエル リミテッドＵｐｌ Ｌｉｍｉｔｅｄ | Herbicide combination |
| JP7143423B2 (en) | 2018-01-17 | 2022-09-28 | ユーピーエル リミテッド | combination of herbicides |
| JP2022177152A (en) * | 2018-01-17 | 2022-11-30 | ユーピーエル リミテッド | Herbicidal combinations |
| AU2018402682B2 (en) * | 2018-01-17 | 2024-01-04 | Upl Ltd | Herbicidal combinations |
| JP7451636B2 (en) | 2018-01-17 | 2024-03-18 | ユーピーエル リミテッド | Herbicide combination |
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Application publication date: 20131120 |
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