CN103503899A - Pesticide composition containing pyribenzoxim and halosulfuron-methyl - Google Patents
Pesticide composition containing pyribenzoxim and halosulfuron-methyl Download PDFInfo
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- CN103503899A CN103503899A CN201310416702.3A CN201310416702A CN103503899A CN 103503899 A CN103503899 A CN 103503899A CN 201310416702 A CN201310416702 A CN 201310416702A CN 103503899 A CN103503899 A CN 103503899A
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- pyribenzoxim
- halosulfuronmethyl
- halosulfuron
- methyl
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Abstract
The invention discloses a pesticide composition containing pyribenzoxim and halosulfuron-methyl. The composition comprises common accessory ingredients, pyribenzoxim and halosulfuron-methyl. The mass fraction of the pyribenzoxim and the halosulfuron-methyl in the pesticide composition is 10:1 to 1:10. The combination of pyribenzoxim and halosulfuron-methyl has a synergistic effect, and the use amounts of the effective component in the composition are greatly reduced as compared to that of a single component used along. The pesticide composition is adopted to control annual weed in dryland paddy seedling-raising fields, and is preferably used by applying to the soil before annual weed grows outside the soil at the early stage of sowing.
Description
Technical field
The composition pesticide the present invention relates to is that to take pyribenzoxim and halosulfuronmethyl be active ingredient, for preventing and kill off arid rice nursery annual weed.
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.
Pyribenzoxim belongs to oxime ester compound, wide spectrum selective post-emergence herbicide.Mechanism of action is similar to sulfonylurea and imidazolone weed killer herbicide, all belongs to acetolactate synthestase (ALS) inhibitor.Paddy rice, common wheat, Korea lawn grass are had to activity of weeding after selectivity super-high-efficient bud, without activity of weeding before bud, distinguished for preventing and kill off the various grassy weeds such as barnyard grass, large fringe amur foxtail, polygonum flaccidum and the assorted effect of drawing of broad-leaved, to paddy rice, common wheat safety.Chemical weeding speed is slower, after dispenser, can suppress weed growth, but must be withered after 2 weeks.Medicament medication appropriateness is wider, all effective to 1.5～6.5 leaf phases of barnyard grass.
Halosulfuronmethyl is the same with other sulfonylurea herbicides is a kind of inhibitor of acetolactate synthestase, by weeds root and leaf, absorbs, and in plant corpus, conducts, and weeds stop growing, then withered.Be mainly used in preventing and kill off broad leaved weed and sedge weed, as piemarker, storehouse ear, datura, artemisiifolia, Amaranthus retroflexus, flowerofanhour root or herb, knotweed, kitchen garden, black nightshade, Cassia tora, lead a cow, the rhizome of nutgrass flatsedge etc.Suitable crop is as wheat and corn, paddy rice, sugarcane, lawn etc., before seedling and Miao Houjun can use.Because its rapid metabolism in crop is harmless object, therefore to crop safety.
During the single use of pyribenzoxim and halosulfuronmethyl, all there are certain defect and limitation.
The inventor conducts in-depth research being mixed of pyribenzoxim and halosulfuronmethyl, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that pyribenzoxim and halosulfuronmethyl are mixed, within the scope of certain mixed ratio, paddy field weed is shown to obvious synergistic effect, after further study, completed the present invention.
Being mixed and applying of pyribenzoxim and halosulfuronmethyl there is no report at present.
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, is conducive to the composition pesticide of the farmland weed comprehensive regulation.
Another object of the present invention is to provide this composition pesticide for preventing and kill off farmland weed, is particularly useful for preventing and kill off arid rice nursery annual weed etc.
Technical scheme of the present invention: take pyribenzoxim and halosulfuronmethyl as active ingredient, pyribenzoxim and the halosulfuronmethyl ratio of quality and the number of copies in composition pesticide is 10:1～1:10, all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Herbicidal combinations of the present invention is prepared into and is applicable to upper any one formulation used of agricultural by known method, and reasonable formulation is wetting powder, microemulsion, aqueous emulsion, suspending agent, oil-suspending agent or water dispersible granules agent.
The auxiliary agent using in the present composition comprises that solvent, dispersant, stabilizing agent, emulsifier, antifreezing agent, thickener etc. and other are of value to the known substance of active ingredient stable and performance drug effect in preparation, all various compositions conventional in pesticidal preparations or that allow to use, be not particularly limited, concrete composition and consumption require to determine by simple test according to formula.
Product described in the invention can finished product preparation form provide, in composition, each material mixes, the form that the composition of composition also can single dose provides, and before use, directly in tank or bucket, mixes, and is then diluted to needed concentration.The frequency of administration of the present composition and amount of application change with weather condition and crop state variation, can be by using suitable formulation to reach the object of control.
The present composition is applicable to prevent and treat annual weed, especially arid rice nursery annual weed.
Compared with prior art, beneficial effect of the present invention is, composite have an obvious synergistic effect, improved control efficiency; Expanded control spectrum; Two kinds of active ingredients are composite, reduced agricultural chemicals usage amount, thereby reduced cost and reduced the pollution to environment.
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 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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Biologicall test embodiment: the synergy of paddy field annual weed is measured.
Test material:
Commeline communis [Stellaria media (L.) Cyrillus] (field is collected seed and preserved).
Barnyard grass [Echinochloa crusgalli (L.) Beaw Setaria] (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:
First take the former medicine of 96% pyribenzoxim of certain mass, the former medicine of 95% halosulfuronmethyl, 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 the object that is mixed, serial proportioning is set, each proportioning arranges 5～7 concentration gradients.According to single dose herbicide spectrum, select representative susceptible weeds seed standby.By selecting the processing of numbering, undertaken after soil treatment, be placed in illumination box incubated at room temperature 10 days, calculate control efficiency (fresh weight), then by method of least squares, calculate dense EC50(95% confidence limit in inhibition), 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 (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100.
Measurement result shows, pyribenzoxim and halosulfuronmethyl, between proportioning 10:1～1:10, have obvious synergistic effect, and especially 1:1 synergistic effect is more obvious, and co-toxicity coefficient is more than 150.
Table 1, different proportioning pyribenzoxim and halosulfuronmethyl are measured the synergy of barnyard grass.
Table 2, different proportioning pyribenzoxim and halosulfuronmethyl are measured the synergy of dayflower.
Mono-: 16% pyribenzoxim halosulfuronmethyl wetting powder of preparation method embodiment.
Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 16% pyribenzoxim halosulfuronmethyl wetting powder.
This embodiment is used for preventing and kill off arid rice nursery annual weed, 16% pyribenzoxim halosulfuronmethyl wetting powder consumption 72g a.i./ha soil treatment, and after medicine, 10 days preventive effects are 96.7%; 3% pyribenzoxim wetting powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are 77.5%; 15% halosulfuronmethyl missible oil consumption 45g a.i./ha soil treatment, after medicine 10 days 83.1%.The composite rear synergy of pyribenzoxim and halosulfuronmethyl is obvious, and 16% pyribenzoxim halosulfuronmethyl wetting powder is prevented and kill off arid rice nursery annual weed drug effect and is obviously better than 3% pyribenzoxim wetting powder and 15% halosulfuronmethyl missible oil.Because pharmacy control efficacy improves, compound drug effective ingredient consumption reduces, and has reduced drug cost, delays the generation of disease drug resistance, has reduced environmental pollution.
Bis-: 20% pyribenzoxim halosulfuronmethyl suspending agents of preparation method embodiment.
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 20% pyribenzoxim halosulfuronmethyl suspending agent.
This embodiment is used for preventing and kill off arid rice nursery annual weed, 20% pyribenzoxim halosulfuronmethyl suspending agent consumption 72g a.i./ha soil treatment, and after medicine, 10 days preventive effects are 96.9%; 5% pyribenzoxim wetting powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are 73.9%; 15% halosulfuronmethyl missible oil consumption 45g a.i./ha soil treatment, after medicine 10 days 78.3%.Pyribenzoxim and the composite rear synergy of halosulfuronmethyl acid are obvious, and 20% pyribenzoxim halosulfuronmethyl suspending agent is prevented and kill off arid rice nursery annual weed drug effect and is obviously better than 5% pyribenzoxim suspending agent and 15% halosulfuronmethyl missible oil.Because pharmacy control efficacy improves, compound drug effective ingredient consumption reduces, and has expanded herbicide spectrum, has reduced drug cost, delays the generation of disease drug resistance, has reduced environmental pollution.
Tri-: 40% pyribenzoxim halosulfuronmethyl water dispersible granules of preparation method embodiment.
By above-mentioned formula, dry pulverization process, granulation, dry, screening make 40% pyribenzoxim halosulfuronmethyl water-dispersible granules in proportion.
This embodiment is used for preventing and kill off arid rice nursery annual weed, 40% pyribenzoxim halosulfuronmethyl water-dispersible granules consumption 72g a.i./ha soil treatment, and after medicine, 10 days preventive effects are 95.3%; 5% pyribenzoxim wetting powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are 68.3%; 15% halosulfuronmethyl missible oil consumption 45g a.i./ha soil treatment, after medicine 10 days 86.3%.The composite rear synergy of pyribenzoxim and halosulfuronmethyl is obvious, and 20% pyribenzoxim halosulfuronmethyl water-dispersible granules is prevented and kill off arid rice nursery annual weed drug effect and is obviously better than 5% pyribenzoxim wetting powder and 15% halosulfuronmethyl missible oil.Because pharmacy control efficacy improves, compound drug effective ingredient consumption reduces, and has expanded herbicide spectrum, has reduced drug cost, delays the generation of disease drug resistance, has reduced environmental pollution.
Claims (4)
1. a composition pesticide that contains pyribenzoxim and halosulfuronmethyl, is characterized in that: active ingredient is pyribenzoxim and halosulfuronmethyl, and pyribenzoxim and the halosulfuronmethyl ratio of quality and the number of copies in composition pesticide is 10:1～1:10.
2. a kind of composition pesticide that contains pyribenzoxim and halosulfuronmethyl according to claim 1, is characterized in that: in described composition pesticide, also contain pesticidal preparations auxiliary element, so that herbicidal composition is made, be applicable to the upper type using of agricultural.
3. a kind of composition pesticide that contains pyribenzoxim and halosulfuronmethyl according to claim 1, is characterized in that: its formulation is a kind of in oil-suspending agent, suspending agent, wetting powder or dosage form of water dispersible granule.
4. a kind of composition pesticide that contains pyribenzoxim and halosulfuronmethyl according to claim 1, is characterized in that: for preventing and kill off arid rice nursery annual weed.
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| CN201310416702.3A CN103503899B (en) | 2013-09-12 | 2013-09-12 | Containing pyribenzoxim and the composition pesticide of halosulfuronmethyl |
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| CN201310416702.3A CN103503899B (en) | 2013-09-12 | 2013-09-12 | Containing pyribenzoxim and the composition pesticide of halosulfuronmethyl |
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| CN103503899B CN103503899B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381279A (en) * | 2014-10-29 | 2015-03-04 | 山东华亚环保科技有限公司 | Special herbicide for wheat |
| CN104663698A (en) * | 2015-02-12 | 2015-06-03 | 海利尔药业集团股份有限公司 | Weeding composition containing pyribenzoxim and propoxycarbazone-sodiurn |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1247703A (en) * | 1998-07-08 | 2000-03-22 | 罗纳-普朗克农业公司 | Novel herbicide composition |
| CN1725952A (en) * | 2002-11-21 | 2006-01-25 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102027942A (en) * | 2010-12-30 | 2011-04-27 | 苏州富美实植物保护剂有限公司 | Compounded herbicide composition for rice field |
| CN103202310A (en) * | 2013-05-09 | 2013-07-17 | 江苏省农用激素工程技术研究中心有限公司 | Weeding composite containing halosulfuron-methyl and bispyribac-sodium |
| CN103271061A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Synergistic weeding composition |
-
2013
- 2013-09-12 CN CN201310416702.3A patent/CN103503899B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247703A (en) * | 1998-07-08 | 2000-03-22 | 罗纳-普朗克农业公司 | Novel herbicide composition |
| CN1725952A (en) * | 2002-11-21 | 2006-01-25 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102027942A (en) * | 2010-12-30 | 2011-04-27 | 苏州富美实植物保护剂有限公司 | Compounded herbicide composition for rice field |
| CN103202310A (en) * | 2013-05-09 | 2013-07-17 | 江苏省农用激素工程技术研究中心有限公司 | Weeding composite containing halosulfuron-methyl and bispyribac-sodium |
| CN103271061A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Synergistic weeding composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381279A (en) * | 2014-10-29 | 2015-03-04 | 山东华亚环保科技有限公司 | Special herbicide for wheat |
| CN104663698A (en) * | 2015-02-12 | 2015-06-03 | 海利尔药业集团股份有限公司 | Weeding composition containing pyribenzoxim and propoxycarbazone-sodiurn |
| 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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