CN103931650A - Weeding composition containing glufosinate ammonium and clethodim - Google Patents
Weeding composition containing glufosinate ammonium and clethodim Download PDFInfo
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- CN103931650A CN103931650A CN201410097522.8A CN201410097522A CN103931650A CN 103931650 A CN103931650 A CN 103931650A CN 201410097522 A CN201410097522 A CN 201410097522A CN 103931650 A CN103931650 A CN 103931650A
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- clethodim
- ammonium phosphine
- careless ammonium
- herbicidal combinations
- weeds
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Abstract
The invention discloses a bare place weeding composition containing glufosinate ammonium and clethodim. A weight part ratio of glufosinate ammonium to clethodim is 30:1-1:10, and preferably 10:1-1:1. The weeding composition has an obviously higher control effect than single doses, reduces the use dosage of pesticides, reduces the unfavorable influences of the pesticide on the ecologic environment, is of great significance of comprehensively controlling the weed resistance, and has good economic and social benefits.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, is as active ingredient, for preventing and kill off uncultivated area weeds taking careless ammonium phosphine and clethodim.
Background technology
Chemical method weeding is one of upper Main Means of controlling weeds of agricultural.In recent years, because some weed killer herbicide kind large area are used separately, caused a lot of weeds to develop immunity to drugs.Simultaneously, grass when weeds occur is complicated mutually, not only annual and perennial weed is mixed raw, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, the staggered generation of low age, advanced age weeds, so when weed killer herbicide kind is used separately, all can show defect and limitation in a certain respect.
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 plant xylem by plant transpiration effect, between its quick-acting between paraquat and glyphosate.Many weeds are to careless ammonium phosphine sensitivity, and the substitute that can be used as glyphosate in the area of glyphosate generation resistance is used.
Clethodim inner sucting conduction type cauline leaf inorganic agent, has very strong lethal effect to grassy weed, to dicotyledonous crops safety.Cauline leaf absorbs rapidly through leaf after processing, be transmitted to meristematic tissue, in sensitive plant, suppress the biosynthesis of branched chain fatty acid and flavonoids and work, its cell division is destroyed, suppress the merismatic activity of plant, plant strain growth is delayed, after dispenser, in 1-3 week, plant moves back green necrosis, burn with posterior lobe withered and dead, to most of annual, perennial grassy weed is effective.In resistance plant body, can degrade rapidly, form polarity, and rapid loss of activity.
When grass ammonium phosphine and the single use of clethodim, all there are certain defect and limitation.
The inventor conducts in-depth research the mixture of careless ammonium phosphine and clethodim, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that careless ammonium phosphine and clethodim carry out mixture, within the scope of certain mixed ratio, uncultivated area weeds are shown to obvious synergistic effect, after further study, completed the present invention.
The mixture of grass ammonium phosphine and clethodim and application there is no report at present.
Summary of the invention
Technical problem to be solved: the object of the invention is to solve the deficiency that above-mentioned weed killer herbicide is actual in using, provide a kind of efficient, low toxicity, low cost, quick-acting good, and the lasting period is long, is conducive to the Herbicidal combinations of the weeds comprehensive regulation.
Another object of the present invention is to provide this Herbicidal combinations is applied to and prevents and kill off uncultivated area weeds.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations taking careless ammonium phosphine and clethodim as active ingredient, the ratio of weight and number of careless ammonium phosphine and clethodim is 30:1～1:10.Grass ammonium phosphine and the ratio of weight and number of clethodim in Herbicidal combinations are 10:1～1:1.
Described Herbicidal combinations can, according to well known to a person skilled in the art method, be mixed with the application forms of the applicable agricultural use such as suspending agent, oil-suspending agent.
Described Herbicidal combinations also contains acceptable insecticides adjuvant in the required agricultural of preparation pesticidal preparations, be selected from one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant, be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production technology of the described various application forms of Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, is applied to and prevents and kill off uncultivated area field weed.
Herbicidal combinations provided by the invention, adopts the method for directed spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.
Herbicidal combinations provided by the invention has following beneficial effect:
1, Herbicidal combinations provided by the invention, in certain ratio range, show obvious synergistic effect, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, reduce medication number of times, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of active ingredients, has expanded herbicidal spectrum, and a drug can solve multiple weeds problem, has made up defect and limitation when single dose is used.
3, Herbicidal combinations provided by the invention, two kinds of active ingredient mechanism of action are different, can overcome long-term single use and easily produce the shortcoming of resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
4, Herbicidal combinations provided by the invention, rapidly, the lasting period is long in drug effect performance, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make object 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 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 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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Example of formulations one: (30% careless ammonium phosphine clethodim suspending agent).
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 30% careless ammonium phosphine clethodim suspending agent.
Example of formulations two: (25% careless ammonium phosphine clethodim oil-suspending agent).
Above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve are become to even oil phase; Under high-speed stirred, mix and make 25% careless ammonium phosphine clethodim oil-suspending agent.
Biologicall test embodiment mono-: careless ammonium phosphine and clethodim mixture are measured the synergy of uncultivated area weeds.
For further understanding careless ammonium phosphine and the synergy of clethodim mixture to uncultivated area weeds, the inventor has carried out formula indoor screening test to careless ammonium phosphine and clethodim mixture:
Test material:
Lady's-grass [Digitaria sanguinalis (L.) Scop.] (field is collected seed and preserved).
Barnyard grass [Eleusine indica (L.) Gaertn.] (field is collected seed and 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 former medicine of 95% clethodim, adds acetone fully to dissolve the Tween-80 aqueous solution dilution of rear use 0.1%, is mixed with respectively single dose mother liquor, according to mixture object, 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 1 leaf 1 heart for subsequent use.After selecting the weeds cauline leaf of numbering to process, be placed in illumination box incubated at room temperature 5 days, 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 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)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] ×
Table 1, careless ammonium phosphine and clethodim combination are measured the synergy of lady's-grass.
Table 2, careless ammonium phosphine and clethodim combination are measured the synergy of eleusine indica.
Measurement result shows (in table 1 and table 2), and careless ammonium phosphine and clethodim, between mixed ratio 30:1～1:10, have obvious synergistic effect, and especially at 10:1～1:1, synergistic effect is more obvious, and co-toxicity coefficient is more than 120.
Biologicall test embodiment bis-: careless ammonium phosphine and clethodim composition for preventing and controlling uncultivated area weeds field control effectiveness test.
Reagent agent and dispenser dosage:
(1) 30% careless ammonium phosphine clethodim oil-suspending agent (20% careless ammonium phosphine: 10% clethodim), 40 grams/acre of effective ingredient consumption (1#).
(2) 25% careless ammonium phosphine clethodim suspending agents (20% careless ammonium phosphine: 5% clethodim), 40 grams/acre of effective ingredient consumption (2#).
Contrast medicament and dispenser dosage:
(3) 20% careless ammonium phosphine aquas, 100 grams/acre of effective ingredient consumption (3#).
(4) 240 grams per liter clethodim ECs, 10 grams/acre of effective ingredient consumption (4#).
Dispenser period: the weeds 2-3 leaf phase, be watered even spraying.
Table 3, prevent and treat live uncultivated area field weed field control effectiveness test result.
Result of the test: in table 3, as can be seen from the test results: after dispenser 10 days, Herbicidal combinations of the present invention to total preventive effect of uncultivated area weeds all more than 93.7%; After dispenser 20 days, total preventive effect was all more than 97.8%, and significantly better than the single dose of contrast, synergistic effect is remarkable, and has expanded herbicidal spectrum, and quick-acting and lasting period are obviously better than single dose.
In sum, it is the complex composition of careless ammonium phosphine and clethodim that the present invention adopts two kinds of active components, have synergistic function, compared with existing unitary agent, herbicidal effect obviously improves, drug effect performance rapidly, lasting period is long, and use cost is low, easy to use, time saving and energy saving, it applies huge economic benefit and social benefit.
Claims (4)
1. a Herbicidal combinations that contains careless ammonium phosphine and clethodim, is characterized in that: active ingredient is careless ammonium phosphine and clethodim, and careless ammonium phosphine and the ratio of weight and number of clethodim in Herbicidal combinations are 30:1～1:10.
2. a kind of Herbicidal combinations that contains careless ammonium phosphine and clethodim according to claim 1, is characterized in that: careless ammonium phosphine and the ratio of weight and number of clethodim in Herbicidal combinations are 10:1～1:1.
3. a kind of Herbicidal combinations that contains careless ammonium phosphine and clethodim according to claim 1, is characterized in that: the formulation of described Herbicidal combinations is suspending agent or oil-suspending agent.
4. a kind of Herbicidal combinations that contains careless ammonium phosphine and clethodim according to claim 1 is in the application of preventing and kill off on uncultivated area weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097522.8A CN103931650A (en) | 2014-03-16 | 2014-03-16 | Weeding composition containing glufosinate ammonium and clethodim |
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| CN201410097522.8A CN103931650A (en) | 2014-03-16 | 2014-03-16 | Weeding composition containing glufosinate ammonium and clethodim |
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| CN103931650A true CN103931650A (en) | 2014-07-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284796A (en) * | 2015-11-20 | 2016-02-03 | 佛山市盈辉作物科学有限公司 | Herbicide additive, herbicidal composition containing herbicide additive and production equipment |
| CN105613572A (en) * | 2016-03-02 | 2016-06-01 | 湖南农大海特农化有限公司 | Microemulsion containing glufosinate and preparation method of microemulsion |
| CN106489935A (en) * | 2016-11-17 | 2017-03-15 | 江西正邦生物化工有限责任公司 | A kind of dispersible oil-suspending agent and preparation method thereof containing glufosinate-ammonium and clethodim |
| WO2019030087A1 (en) * | 2017-08-09 | 2019-02-14 | Basf Se | Herbicidal mixtures comprising l-glufosinate or its salt and at least one lipid biosynthesis inhibitor |
| CN110881475A (en) * | 2018-09-10 | 2020-03-17 | 四川利尔作物科学有限公司 | Herbicidal composition and use thereof |
| CN113331205A (en) * | 2021-04-29 | 2021-09-03 | 中国热带农业科学院环境与植物保护研究所 | Ultra-low-capacity weeding method for tropical crops and herbicide composition thereof |
| WO2024057027A1 (en) * | 2022-09-16 | 2024-03-21 | Upl Mauritius Limited | An herbicidal combination, composition and method of controlling weeds using the same |
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| CN1613314A (en) * | 2002-11-15 | 2005-05-11 | 王正权 | Bactericidal composition of proparthrin and cyclohexene ketone |
| JP2010077048A (en) * | 2008-09-25 | 2010-04-08 | Sumitomo Chemical Co Ltd | Method for controlling weed at site in which jatropha grows |
| CN101773142A (en) * | 2010-02-25 | 2010-07-14 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing glufosinate and oxadiazon and application thereof |
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2014
- 2014-03-16 CN CN201410097522.8A patent/CN103931650A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613314A (en) * | 2002-11-15 | 2005-05-11 | 王正权 | Bactericidal composition of proparthrin and cyclohexene ketone |
| JP2010077048A (en) * | 2008-09-25 | 2010-04-08 | Sumitomo Chemical Co Ltd | Method for controlling weed at site in which jatropha grows |
| CN101773142A (en) * | 2010-02-25 | 2010-07-14 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing glufosinate and oxadiazon and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284796A (en) * | 2015-11-20 | 2016-02-03 | 佛山市盈辉作物科学有限公司 | Herbicide additive, herbicidal composition containing herbicide additive and production equipment |
| CN105613572A (en) * | 2016-03-02 | 2016-06-01 | 湖南农大海特农化有限公司 | Microemulsion containing glufosinate and preparation method of microemulsion |
| CN106489935A (en) * | 2016-11-17 | 2017-03-15 | 江西正邦生物化工有限责任公司 | A kind of dispersible oil-suspending agent and preparation method thereof containing glufosinate-ammonium and clethodim |
| WO2019030087A1 (en) * | 2017-08-09 | 2019-02-14 | Basf Se | Herbicidal mixtures comprising l-glufosinate or its salt and at least one lipid biosynthesis inhibitor |
| CN110881475A (en) * | 2018-09-10 | 2020-03-17 | 四川利尔作物科学有限公司 | Herbicidal composition and use thereof |
| CN113331205A (en) * | 2021-04-29 | 2021-09-03 | 中国热带农业科学院环境与植物保护研究所 | Ultra-low-capacity weeding method for tropical crops and herbicide composition thereof |
| WO2024057027A1 (en) * | 2022-09-16 | 2024-03-21 | Upl Mauritius Limited | An herbicidal combination, composition and method of controlling weeds using the same |
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Application publication date: 20140723 |