CN104522024A - Weed control composition containing propyrisulfuron and pyribenzoxim - Google Patents
Weed control composition containing propyrisulfuron and pyribenzoxim Download PDFInfo
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- CN104522024A CN104522024A CN201410821828.3A CN201410821828A CN104522024A CN 104522024 A CN104522024 A CN 104522024A CN 201410821828 A CN201410821828 A CN 201410821828A CN 104522024 A CN104522024 A CN 104522024A
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- pyribenzoxim
- sulfometuron methyl
- promazine sulfometuron
- propyrisulfuron
- weed control
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Abstract
The invention discloses a weed control composition containing propyrisulfuron and pyribenzoxim. The weed control composition comprises active ingredients such as the propyrisulfuron and the pyribenzoxim, wherein the weight part ratio of the propyrisulfuron to the pyribenzoxim is (10 to 1)-(1 to 10), and the sum of the weight of the propyrisulfuron and the pyribenzoxim accounts for 1-80% of the total weight of the composition. The weed control composition disclosed by the invention has an obvious synergistic effect in a certain proportioning range, the control effect of the composition is obviously improved compared with that of a single agent, the use amount of pesticides is reduced, the drug administration frequency is reduced, the drug cost is reduced, and the adverse effect of the pesticides on the ecological environment is reduced.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim, for active ingredient with promazine Sulfometuron Methyl and pyribenzoxim, for preventing and kill off paddy field weed, especially with the paddy field annual weed that Leersia Sw (Leersia hexandra), Paspalum distichum (Paspalumpaspaloides), triquetrousc murdannia herb (Murdannia triquetra) are advantage weeds.
Background technology
Promazine Sulfometuron Methyl (Propyrisulfuron), is a kind of selectivity broad-spectrum herbicide, has good preventive effect to the weeds of resistance to sulfonylurea herbicide, effective to above the average age for marriage barnyard grass, nutgrass flatsedge, broadleaved herb, can foliar spray, get rid of and execute.
Pyribenzoxim (Pyribenzoxim) is pyrimidinylthiobenzoate herbicides, to paddy rice, common wheat, Korea lawn grass, there is activity of weeding after selectivity super-high-efficient bud, without activity of weeding before bud, for prevent and kill off the various grassy weed such as barnyard grass, large fringe amur foxtail, polygonum flaccidum and broad leaved weed effect distinguished, to paddy rice, common wheat safety.
The present inventor is to promazine Sulfometuron Methyl, pyribenzoxim mixture conducts in-depth research, by test, we have found that promazine Sulfometuron Methyl and pyribenzoxim are to barnyard grass (Echinochloa crusgalli, ECHCR), Leersia Sw (Leersia hexandra, LEEHE), Paspalum distichum (Paspalum paspaloides, PASPA), bent grass (Agrostismatsumurae, AGRMA), wild water chestnut (Heleocharis plantagineiformis, HELPL), short arrowhead (Sagittaria pygmaea, SAGPY), dayflower (Commelinacommunis, COMCO), Monochoria korsakowii (Monochoria korsakowii, MONKO), Herba Cyperi Glomerati (Juncellus serotinus, JUNSE), cyperus iria (Cyperus iria, CYPIR), triquetrousc murdannia herb (Murdannia triquetra, MURTR) there is synergistic function, and, to Leersia Sw (Leersia hexandra, LEEHE), Paspalum distichum (Paspalumpaspaloides, PASPA), triquetrousc murdannia herb (Murdannia triquetra, MURTR) there is the response of significant Synergistic, after further study, the present invention is completed.
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 used for preventing and kill off paddy field weed by this Herbicidal combinations, especially with the paddy field annual weed that Leersia Sw (Leersia hexandra), Paspalum distichum (Paspalumpaspaloides), triquetrousc murdannia herb (Murdannia triquetra) are advantage weeds.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim, it comprises active ingredient promazine Sulfometuron Methyl and pyribenzoxim, the ratio of weight and number of promazine Sulfometuron Methyl and pyribenzoxim is 10:1 ~ 1:10, promazine Sulfometuron Methyl and pyribenzoxim weight summation percentage by weight are in the composition 1 ~ 80%, and all the other are agriculturally acceptable insecticides adjuvant.
Herbicidal combinations those skilled in the art of the present invention according to known method, can select suitable pesticidal preparations auxiliary element, make the formulation that suspending agent, oil-suspending agent, water dispersible granules, wetting powder etc. are agriculturally conventional.
The auxiliary agent used in Herbicidal combinations provided by the invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, safener, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., all various auxiliary agents conventional in Pesticide formulation, concrete composition and consumption, according to recipe requirements, are determined through simple test.
The production technology of the various application forms of Herbicidal combinations provided by the invention all belongs to existing known technology, does not repeat them here.
The frequency of administration of the present composition and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Herbicidal combinations provided by the invention has following beneficial effect:
1, Herbicidal combinations provided by the invention, obvious synergistic effect is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of active ingredients, expands herbicidal spectrum, and a drug can solve weed problem, compensate for defect when single dose uses and limitation.
3, Herbicidal combinations provided by the invention, two kinds of active ingredient mechanism of action are different, can overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
4, Herbicidal combinations provided by the invention, drug effect plays rapidly, and the lasting period is long, 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 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.
Example of formulations 1:30% promazine Sulfometuron Methyl pyribenzoxim water dispersible granules.
Above-mentioned material is added in cone-type mixer together and mixes; 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 plasticity material; finally this material is put into Squeezinggranulator extruder grain, after granulation, after drying, screening, namely obtain 30% promazine Sulfometuron Methyl pyribenzoxim water dispersible granules.
Example of formulations 2:35% promazine Sulfometuron Methyl pyribenzoxim wetting powder.
Above-mentioned material is added in cone-type mixer together and mixes, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains 35% promazine Sulfometuron Methyl pyribenzoxim wetting powder.
Example of formulations 3:30% promazine Sulfometuron Methyl pyribenzoxim suspending agent.
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtaining 30% promazine Sulfometuron Methyl pyribenzoxim suspending agent.
Example of formulations 4:25% promazine Sulfometuron Methyl pyribenzoxim oil-suspending agent.
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material puts into high-shear emulsifying still again together with the organobentonite dissolved in advance, namely can be made into the 25% promazine Sulfometuron Methyl pyribenzoxim oil-suspending agent that flowing to property is good after emulsification.
Assays Example 1: promazine Sulfometuron Methyl, pyribenzoxim and composite to Leersia Sw (Leersia hexandra, LEEHE), Paspalum distichum (Paspalum paspaloides, PASPA), triquetrousc murdannia herb (Murdannia triquetra, MURTR) interior virulence determination test evaluates weed killer herbicide associated form (NY/T 1155.7-2006) according to Gowing method, and its formula is as follows:
In formula:
X be promazine Sulfometuron Methyl alone with certain dosage time fresh weight inhibition to target weeds;
Y be pyribenzoxim alone with certain dosage time fresh weight inhibition to target weeds;
E
0for when promazine Sulfometuron Methyl, pyribenzoxim two kinds of pharmacy mix to the theoretical value of target weeds fresh weight inhibition or desired value;
E is promazine Sulfometuron Methyl, pyribenzoxim two kinds of pharmacy mix time to target weeds fresh weight inhibition be contrast measured value or observation.
Evaluation criterion: as E ﹣ E
0during > 10%, be expressed as synergistic function; As ﹣ 10%≤E ﹣ E
0when≤10%, show as collaborative summation action; As E ﹣ E
0during < ﹣ 10%, show as joint action of antagonism.
15 days promazine Sulfometuron Methyls after table one, medicine, pyribenzoxim and composite in greenhouse 3 the leaf phase LEEHE, PASPA, MURTR control data.
Weed killer herbicide associated form is evaluated according to Colby method, table one data show, promazine Sulfometuron Methyl, pyribenzoxim binary combination are to Leersia Sw (Leersia hexandra, LEEHE), Paspalum distichum (Paspalum paspaloides, PASPA), triquetrousc murdannia herb (Murdanniatriquetra, MURTR) synergistic effect is remarkable, and E-E0 value is all greater than 20%.
Assays Example 2: promazine Sulfometuron Methyl and pyribenzoxim Herbicidal combinations prevent and kill off transplant field paddy rice annual weed field control effectiveness test.
Test site is positioned at peaceful town, Panjin City Panshan County, Liaoning Province, transplant field paddy rice annual weed includes but are not limited to Paspalum distichum (Paspalum paspaloides, PASPA), triquetrousc murdannia herb (Murdannia triquetra, MURTR) barnyard grass (Echinochloacrusgalli, ECHCR), short arrowhead (Sagittaria pygmaea, SAGPY).
Table two, promazine Sulfometuron Methyl, pyribenzoxim herbicidal composition are to peaceful town transplanted rice field annual weed field control effectiveness test result.
Assays Example 3: promazine Sulfometuron Methyl and pyribenzoxim Herbicidal combinations prevent and kill off rice seedling throwing field annual weed field control effectiveness test.
Test site is positioned at Chen Jiang town, Zhong Kai district of Huizhou City, rice seedling throwing field annual weed includes but are not limited to Leersia Sw (Leersia hexandra, LEEHE), Paspalum distichum (Paspalum paspaloides, PASPA), moleplant seed (Leptochloa chinensis, LEPCH), Herba Cyperi Glomerati (Juncellus serotinus, JUNSE).
Table three, promazine Sulfometuron Methyl, pyribenzoxim herbicidal composition are to Chen Jiang town seedling throwing field annual weed field control effectiveness test result.
As can be seen from the test results: Herbicidal combinations of the present invention can effectively prevent and kill off paddy field annual weed, expand herbicide spectrum, synergistic effect is remarkable.In process of the test, each medicament is showed no generation poisoning, to rice safety.
Claims (3)
1. one kind contains the Herbicidal combinations of promazine Sulfometuron Methyl and pyribenzoxim, it is characterized in that: active ingredient is promazine Sulfometuron Methyl and pyribenzoxim, the ratio of weight and number of promazine Sulfometuron Methyl and pyribenzoxim is 10:1 ~ 1:10, and promazine Sulfometuron Methyl and pyribenzoxim weight summation percentage by weight are in the composition 1 ~ 80%.
2. the Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim according to claim 1, is characterized in that: its formulation can be the one in suspending agent, oil-suspending agent, water dispersible granules, wetting powder.
3. the Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim according to claim 1 is the application of preventing and kill off in the paddy field annual weed of Leersia Sw, Paspalum distichum, triquetrousc murdannia herb.
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| CN201410821828.3A CN104522024A (en) | 2014-12-22 | 2014-12-22 | Weed control composition containing propyrisulfuron and pyribenzoxim |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886099A (en) * | 2015-06-17 | 2015-09-09 | 广东中迅农科股份有限公司 | Weeding composition for rice field |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186516A (en) * | 2014-08-14 | 2014-12-10 | 山东滨农科技有限公司 | Pyribenzoxim-containing paddy field herbicide composition |
| CN105284849A (en) * | 2014-07-24 | 2016-02-03 | 江苏龙灯化学有限公司 | Weeding composition |
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- 2014-12-22 CN CN201410821828.3A patent/CN104522024A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284849A (en) * | 2014-07-24 | 2016-02-03 | 江苏龙灯化学有限公司 | Weeding composition |
| CN104186516A (en) * | 2014-08-14 | 2014-12-10 | 山东滨农科技有限公司 | Pyribenzoxim-containing paddy field herbicide composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886099A (en) * | 2015-06-17 | 2015-09-09 | 广东中迅农科股份有限公司 | Weeding composition for rice field |
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Application publication date: 20150422 |