CN104585207A - Herbicide composition containing propyrisulfuron, pyribenzoxim and bentazone - Google Patents
Herbicide composition containing propyrisulfuron, pyribenzoxim and bentazone Download PDFInfo
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- CN104585207A CN104585207A CN201410821826.4A CN201410821826A CN104585207A CN 104585207 A CN104585207 A CN 104585207A CN 201410821826 A CN201410821826 A CN 201410821826A CN 104585207 A CN104585207 A CN 104585207A
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- pyribenzoxim
- bentazone
- sulfometuron methyl
- promazine sulfometuron
- herbicidal combinations
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Abstract
The invention relates to a herbicide composition containing propyrisulfuron, pyribenzoxim and bentazone. The active ingredients of the herbicide composition are propyrisulfuron, pyribenzoxim and bentazone, wherein the weight percent of propyrisulfuron in the herbicide composition is 0.1-30%; the weight percent of pyribenzoxim in the herbicide composition is 0.1-40%; the weight percent of bentazone in the herbicide composition is 0.1-40%. The herbicide composition has synergistic effects, has obviously better control effects on annual weeds in paddy fields than each single agent used independently, and has the effects of expanding the weed control spectrum, simultaneously reducing the herbicide consumption, delaying the herbicide resistance of weeds and alleviating environmental pollution.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to the Herbicidal combinations that a kind of Synergistic that is active ingredient with promazine Sulfometuron Methyl and pyribenzoxim and bentazone responds, be applicable to prevent and kill off paddy field annual weed.
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) for pyridine salicylic acid class weed killer herbicide be inhibitor of acetolactate synthetase, change active acid after being absorbed by plants into and play herbicide effect, for rice field broad-spectrum herbicide, effectively can prevent and kill off barnyard grass (comprising the barnyard grass to Stam F-34, dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), annual sedge weed, and effective to numerous broad leaved weed, as natural pond raw different stamen flower, carp intestines, sesbania, ring flower, Monochoria vaginalis etc.
Bentazone (bentazone) is a kind of tool optionally contact killing type herbicide after seedling, for the process of weeds cauline leaf in seedling stage.Be mainly used in the crops such as paddy rice, soybean, peanut, wheat, prevent and kill off broad leaved weed and sedge weed, invalid to grassy weed.
The present inventor is to promazine Sulfometuron Methyl, pyribenzoxim, bentazone mixture conducts in-depth research, and finds promazine Sulfometuron Methyl, pyribenzoxim, bentazone mixture has Synergistic to respond, especially to moleplant seed (Leptochloa chinensis), barnyard grass (Echinochloa crusgalli), green foxtail (Setaria viridis), bent grass (Agrostis matsumurae), Paspalum distichum (Paspalum paspaloides), Yunnan ditch millet (Paspalum delavayi), hairy flowered paspalum (Paspalum dilatatum), Leersia Sw (Leersia hexandra), nit grass (Leptochloa panicea), Monochoria vaginalis (Monochoria vaginalis), triquetrousc murdannia herb (Murdannia triquetra), rhizoma alismatis (Alisma plantago-aquatica), arrowhead (Sagittaria trifolia var.sinensis), firefly Lin (Scirpus juncoides), Scirpus tabernaemontani (Scirpus validus), difformed galingale herb (Cyperus difformis), summer dichotomous fimbristylis herb (Fimbristylis aestivalis (Retz.) Vahl) has obvious Synergistic to respond.
Promazine Sulfometuron Methyl, pyribenzoxim, bentazone composite without relevant report.
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 farmland weed by this Herbicidal combinations, is particularly useful for preventing and kill off paddy field annual weed etc.
Technical scheme of the present invention is: a kind of Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim and bentazone, and active ingredient is promazine Sulfometuron Methyl, pyribenzoxim, bentazone; The percentage by weight of promazine Sulfometuron Methyl in Herbicidal combinations is 0.1% ~ 30%, the percentage by weight of pyribenzoxim in Herbicidal combinations is 0.1% ~ 40%, the percentage by weight of bentazone in Herbicidal combinations is 0.1% ~ 40%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described Herbicidal combinations can according to well known to a person skilled in the art method, select suitable pesticidal preparations auxiliary element, the application forms that the applicable agricultural productions such as water dispersible granules, wetting powder, suspending agent, oil-suspending agent, aqueous emulsion, microemulsion use can be processed into.
The auxiliary element that the present invention uses comprises wetting agent, stabilizing agent, dispersant, disintegrant, thickener, pH adjusting agent, defoamer, antifreezing agent, filler etc., be all auxiliary agent conventional in Pesticide formulation, concrete composition and consumption are determined by test according to recipe requirements.
Herbicidal combinations provided by the invention, is applicable to prevent and kill off paddy field annual weed.
The frequency of administration of Herbicidal combinations provided by the invention and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
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.
Compared with prior art, the invention has the advantages that:
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, 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, active ingredient mechanism of action is different, can overcome the shortcoming that long-term single use easily produces resistance, extends 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 1:40% promazine Sulfometuron Methyl pyribenzoxim bentazone 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 bentazone water dispersible granules.
Example of formulations 2:40% promazine Sulfometuron Methyl pyribenzoxim bentazone 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 40% promazine Sulfometuron Methyl pyribenzoxim bentazone wetting powder.
Example of formulations 3:37% promazine Sulfometuron Methyl pyribenzoxim bentazone suspending agent.
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtaining 37% promazine Sulfometuron Methyl pyribenzoxim bentazone suspending agent.
Example of formulations 4:25% promazine Sulfometuron Methyl pyribenzoxim bentazone 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 bentazone oil-suspending agent that flowing to property is good after emulsification.
Example of formulations 5:33% promazine Sulfometuron Methyl pyribenzoxim bentazone aqueous emulsion.
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 33% promazine Sulfometuron Methyl pyribenzoxim bentazone aqueous emulsion that flowing to property is good after emulsification.
Example of formulations 6:27% promazine Sulfometuron Methyl pyribenzoxim bentazone microemulsion.
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 27% promazine Sulfometuron Methyl pyribenzoxim bentazone microemulsion that flowing to property is good after emulsification.
Assays Example 1: the Toxicity Determination test of promazine Sulfometuron Methyl, pyribenzoxim, bentazone and composite barnyard grass (Echinochloa crusgalli) thereof, Leersia Sw (Leersia hexandra), nit grass (Leptochloa panicea), triquetrousc murdannia herb (Murdannia triquetra), Scirpus tabernaemontani (Scirpus validus), difformed galingale herb (Cyperus difformis)
Evaluate weed killer herbicide associated form (NY/T 1155.7-2006) according to Colby method, its formula is as follows:
In formula:
A be promazine Sulfometuron Methyl alone with certain dosage time fresh weight inhibition to target weeds;
B be pyribenzoxim alone with certain dosage time fresh weight inhibition to target weeds;
C be bentazone alone with certain dosage time fresh weight inhibition to target weeds;
N is the weed killer herbicide kind number of mixture;
E
0for the theoretical value to target weeds fresh weight inhibition when promazine Sulfometuron Methyl, pyribenzoxim, bentazone three kinds of pharmacy mix;
E is promazine Sulfometuron Methyl, pyribenzoxim, bentazone three kinds of pharmacy mix time to target weeds fresh weight inhibition be contrast measured value.
Evaluation criterion: work as E
0during ﹣ E > 10%, be expressed as synergistic function; As ﹣ 10%≤E
0during ﹣ E≤10%, show as collaborative summation action; Work as E
0during ﹣ E < ﹣ 10%, show as joint action of antagonism.
Table 1, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and the composite Toxicity Determination result to barnyard grass (Echinochloa crusgalli) thereof.
Evaluate weed killer herbicide associated form according to Colby method, table 1 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to barnyard grass (Echinochloa crusgalli) synergistic effect, E
0-E value is all greater than 20%.
Table 2, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and composite to Leersia Sw (Leersia hexandra), Toxicity Determination result
Evaluate weed killer herbicide associated form according to Colby method, table 2 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to Leersia Sw (Leersia hexandra) synergistic effect, E
0-E value is all greater than 20%.
Table 3, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and the composite Toxicity Determination result to nit grass (Leptochloa panicea) thereof
Evaluate weed killer herbicide associated form according to Colby method, table 3 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to nit grass (Leptochloa panicea) synergistic effect, E
0-E value is all greater than 20%.
Table 4, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and the composite Toxicity Determination result to triquetrousc murdannia herb (Murdannia triquetra) thereof
Evaluate weed killer herbicide associated form according to Colby method, table 4 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to triquetrousc murdannia herb (Murdannia triquetra) synergistic effect, E
0-E value is all greater than 20%.
Table 5, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and the composite Toxicity Determination result to Scirpus tabernaemontani (Scirpus validus) thereof
Evaluate weed killer herbicide associated form according to Colby method, table 5 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to Scirpus tabernaemontani (Scirpus validus) synergistic effect, E
0-E value is all greater than 20%.
Table 6, promazine Sulfometuron Methyl, pyribenzoxim, bentazone and the composite Toxicity Determination result to difformed galingale herb (Cyperus difformis) thereof
Evaluate weed killer herbicide associated form according to Colby method, table 6 data show, and promazine Sulfometuron Methyl, pyribenzoxim, bentazone triple combination are remarkable to difformed galingale herb (Cyperus difformis) synergistic effect, E
0-E value is all greater than 20%.
Assays Example 2: promazine Sulfometuron Methyl, pyribenzoxim, bentazone composition prevent and kill off paddy field annual weed field control effectiveness test
Table 7, promazine Sulfometuron Methyl, pyribenzoxim, bentazone composition are to preventing and kill off paddy field annual weed field control effectiveness test result
In sum, instant component is reasonable, and promazine Sulfometuron Methyl pyribenzoxim bentazone triple combination tool has Synergistic to respond to target weeds, for paddy field provides excellent weed control solution, is applicable to prevent and kill off paddy field annual weed.
Claims (4)
1. contain a Herbicidal combinations for promazine Sulfometuron Methyl and pyribenzoxim and bentazone, it is characterized in that: active ingredient is promazine Sulfometuron Methyl, pyribenzoxim, bentazone; The percentage by weight of promazine Sulfometuron Methyl in Herbicidal combinations is 0.1% ~ 30%, and the percentage by weight of pyribenzoxim in Herbicidal combinations is 0.1% ~ 40%, and the percentage by weight of bentazone in Herbicidal combinations is 0.1% ~ 40%.
2. the Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim and bentazone according to claim 1, is characterized in that: described Herbicidal combinations also contains pesticidal preparations auxiliary element, to make the application forms of applicable agricultural use.
3. the Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim and bentazone according to claim 2, is characterized in that: its formulation is the one in water dispersible granules, wetting powder, suspending agent, oil-suspending agent, aqueous emulsion, microemulsion.
4. the Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim and bentazone according to claim 1 is to prevent and kill off the application in paddy field annual weed.
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| CN201410821826.4A CN104585207B (en) | 2014-12-22 | 2014-12-22 | Herbicidal combinations containing promazine Sulfometuron Methyl and pyribenzoxim and bentazone |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013106543A2 (en) * | 2012-01-12 | 2013-07-18 | Dow Agrosciences Llc | Herbicidal compositions containing bentazon and als inhibitor and accase inhibitor |
| CN103262845A (en) * | 2013-06-05 | 2013-08-28 | 江苏龙灯化学有限公司 | Synergistic herbicide composition |
| CN103271046A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Synergistic weeding composition |
| CN103271065A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
| CN103271066A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Herbicidal composition |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013106543A2 (en) * | 2012-01-12 | 2013-07-18 | Dow Agrosciences Llc | Herbicidal compositions containing bentazon and als inhibitor and accase inhibitor |
| CN103262845A (en) * | 2013-06-05 | 2013-08-28 | 江苏龙灯化学有限公司 | Synergistic herbicide composition |
| CN103271046A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Synergistic weeding composition |
| CN103271065A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
| CN103271066A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Herbicidal composition |
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