CN103503899B - Containing pyribenzoxim and the composition pesticide of halosulfuronmethyl - Google Patents
Containing pyribenzoxim and the composition pesticide of halosulfuronmethyl Download PDFInfo
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- CN103503899B CN103503899B CN201310416702.3A CN201310416702A CN103503899B CN 103503899 B CN103503899 B CN 103503899B CN 201310416702 A CN201310416702 A CN 201310416702A CN 103503899 B CN103503899 B CN 103503899B
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- halosulfuronmethyl
- pyribenzoxim
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Abstract
The invention discloses a kind of containing pyribenzoxim with the composition pesticide of halosulfuronmethyl, including usual auxiliaries, pyribenzoxim and halosulfuronmethyl, pyribenzoxim and the halosulfuronmethyl mass fraction in composition pesticide than for 10:1～1:10.Pyribenzoxim and halosulfuronmethyl have notable synergistic effect after compounding, and compound drug effective ingredient consumption ratio is used alone and significantly reduces, it is adaptable to prevent and kill off arid rice nursery annual grassy weeds, prior to seeding phase, annual grassy weeds is not unearthed, and uses pesticide-clay mixture method to use the most suitable.
Description
Technical field
The composition pesticide that the present invention relates to, be with pyribenzoxim with halosulfuronmethyl for effectively becoming
Point, it is used for preventing and kill off arid rice nursery annual grassy weeds.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, due to some
Herbicide kind large area is used alone, and already leads to a lot of weeds and develops immunity to drugs.Meanwhile, weeds
Grass during generation is mutually complicated, and the most annual and perennial weeds is mixed raw, and draft, liana and shrub are held concurrently
Have, and weeds emerge uneven, seed, low age, the staggered generation of weeds at advanced age, so weeding
When agent kind is used alone, all can show defect in a certain respect and limitation.
Pyribenzoxim belongs to oxime ester compound, wide spectrum selective post-emergence herbicide.Mechanism of action and sulphur
Ureide derivative and imidazolone herbicide are similar, all belong to acetolactate synthestase (ALS) inhibitor.Right
Oryza sativa L., common wheat, Korea lawn grass have activity of weeding after selectivity ultra high efficiency bud, live without weeding before bud
Property, it is used for preventing and kill off various grassy weeds and miscellaneous stroke of the broad-leaved effects such as barnyard grass, big fringe amur foxtail, Herba polygoni hydropiperis
The most distinguished, to Oryza sativa L., common wheat safety.Chemical weeding speed is relatively slow, can suppress weeds after dispenser
Growth, but must be the most withered.Medicament medication appropriateness is wider, equal to the barnyard grass 1.5～6.5 leaf phase
Effectively.
Halosulfuronmethyl is pressing down of a kind of acetolactate synthestase as other sulfonylurea herbicides
Preparation, is absorbed by weeds root and leaf, conducts in plant, and weeds i.e. stop growing, the most withered
Extremely.Be mainly used in preventing and kill off broad leaved weed and sedge weed, as Herba Abutili, storehouse ear, Flos Daturae, artemisiifolia,
Amaranthus retroflexus, Herba hibisci trioni, knotweed, Herba Portulacae, Herba Solani Nigri, Semen Cassiae, lead a cow, Rhizoma Cyperi etc..Suitable work
Thing such as wheat and corn, Oryza sativa L., Caulis Sacchari sinensis, lawn etc., before Seedling and Miao Houjun can use.Because it is crop
Middle rapid metabolization is harmless object, therefore to crop safety.
When pyribenzoxim and the single use of halosulfuronmethyl, all there are certain defect and limitation.
The mixture of pyribenzoxim and halosulfuronmethyl is conducted in-depth research by the present inventor, in a large number
Formula indoor screening test and field medicine effect test on the basis of, find pyribenzoxim and chlorine pyrrole phonetic
Sulphur is grand carries out mixture, and paddy field weed shows in the range of certain mixed ratio obvious potentiation
Effect, after further study, completes the present invention.
Pyribenzoxim and the mixture of halosulfuronmethyl and application there is no report at present.
Summary of the invention
It is an object of the invention to solve in prior art to develop immunity to drugs farmland weed problem and reality
Border prevention effect is poor, it is provided that one is efficiently, low toxicity, quick-acting are good and the lasting period is long, beneficially agriculture
The composition pesticide of field weed comprehensive control.
It is a further object of the present invention to provide and be used for preventing and kill off farmland weed by this composition pesticide, especially use
In preventing and kill off arid rice nursery annual grassy weeds etc..
Technical scheme: with pyribenzoxim and halosulfuronmethyl as effective ingredient, pyrimidine oxime
Grass ether and halosulfuronmethyl mass fraction in composition pesticide ratio are for 10:1～1:10, and remaining is agriculture
Medicine allows use and acceptable auxiliary element.
Herbicidal combinations of the present invention with known method be prepared as be suitable for agriculturally use any one
Dosage form, reasonable dosage form is wettable powder, microemulsion, aqueous emulsion, suspending agent, oil-suspending agent
Or water dispersible granules agent.
The auxiliary agent used in the present composition includes solvent, dispersant, stabilizer, emulsifying agent, prevents
Freeze agent, thickening agent etc. and other are of value to the known substance that effective ingredient is stablized in the formulation and played drug effect
Matter is all conventional in pesticidal preparations or allows the various compositions used, and is not particularly limited, specifically becomes
Divide and consumption is determined by simple test according to recipe requirements.
Product described in the invention can provide with the form of finished product preparation, and i.e. in compositions, each material has been
Blended, the composition of compositions can also the form of single dose provide, directly mixed in tank or bucket before using
Close, be then diluted to required concentration.The frequency of administration of the present composition and amount of application are with weather
Situation and crop condition change and change, and can reach the purpose of preventing and treating by using suitable dosage form.
It is annual miscellaneous that the present composition is applicable to prevent and treat annual grassy weeds, especially arid rice nursery
Grass.
Compared with prior art, the beneficial effects of the present invention is, compounding have obvious potentiation,
Improve prevention effect；Expand preventing and treating spectrum；Two kinds of effective ingredient compound, and reduce Pesticide use amount,
Thus reduce cost and decrease the pollution to environment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage more short and sweet, the present invention is with following
Specific embodiment illustrates, but the present invention is only limitted to absolutely not these examples.The following stated is only this
Bright preferable embodiment, is used only for describing the present invention, it is impossible to be interpreted as the limit to the scope of the present invention
System.It should be pointed out that, all made within the spirit and principles in the present invention any amendment, equivalent
Replacement and improvement etc., should be included within the scope of the present invention.Therefore, patent of the present invention
Protection domain should be as the criterion with claims.
Assays Example: the synergy to rice terrace annual grassy weeds measures.
Test material:
Commeline communis [Stellaria media (L.) Cyrillus] (field collection Seed storage).
(seed is collected in field to barnyard grass [Echinochloa crusgalli (L.) Beaw Setaria]
Preserve).
Test apparatus:
Controlled illumination box；POTTER precision laboratory spray tower；Electronic balance (sensibility reciprocal 0.1mg)；
Micropipette rifle etc..
Test method:
First weigh the 96% former medicine of pyribenzoxim of certain mass, the 95% former medicine of halosulfuronmethyl, add third
Ketone dilutes with the Tween 80 aqueous solution of 0.1% after fully dissolving, and is configured to single dose mother solution respectively, according to
Mixture purpose arranges series proportioning, and each proportioning arranges 5～7 Concentraton gradient.According to single dose herbicide
Spectrum selects representative susceptible weeds seed standby.The process selecting numbering is carried out soil treatment
After, it is placed on incubated at room temperature 10 days in illumination box, calculates prevention effect (fresh weight), then use
Little square law calculates dense EC50(95% confidence limit in suppression), then calculate co-toxicity coefficient by the abundant method of Sun Yun
(CTC).
Co-toxicity coefficient (CTC) >=120 shows as potentiation；Co-toxicity coefficient (CTC)≤80 shows
For antagonism；80 ＜ co-toxicity coefficient (CTC) ＜ 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) × 100.
Theoretical toxicity index (TTI)=(percentage composition of A in the toxicity index × mixture of the A)+(poison of B
The percentage composition of B in power index × mixture).
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theory toxicity index (TTI)]
×100。
Measurement result shows, pyribenzoxim and halosulfuronmethyl between proportioning 10:1～1:10,
Having obvious potentiation, especially 1:1 potentiation becomes apparent from, and co-toxicity coefficient is more than 150.
The synergy of barnyard grass is measured by table 1, different ratio pyribenzoxim and halosulfuronmethyl.
The synergy of Herba Commelinae is measured by table 2, different ratio pyribenzoxim with halosulfuronmethyl.
Preparation method embodiment one: 16% pyribenzoxim halosulfuronmethyl wettable powder.
Mix homogeneously in blender will be entered after the coarse pulverization in proportion of above-mentioned formula, then after comminution by gas stream
I.e. prepare 16% pyribenzoxim halosulfuronmethyl wettable powder.
This embodiment is used for preventing and kill off arid rice nursery annual grassy weeds, 16% pyribenzoxim chlorine pyrrole
Sulfometuron Methyl wettable powder consumption 72g a.i./ha soil treatment, after medicine, 10 days preventive effects are 96.7%；
3% pyribenzoxim wettable powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are
77.5%；15% halosulfuronmethyl cream consumption 45g a.i./ha soil treatment, after medicine 10 days 83.1%.
After pyribenzoxim is compounding with halosulfuronmethyl, potentiation is obvious, 16% pyribenzoxim halosulfuronmethyl
Wettable powder prevent and kill off arid rice nursery annual grassy weeds drug effect be substantially better than 3% pyribenzoxim can
WP and 15% halosulfuronmethyl cream.Owing to pharmacy control efficacy improves, compound drug effective ingredient
Consumption reduces, and reduces drug cost, delays the generation of disease drug resistance, decrease environmental pollution.
Preparation method embodiment two: 20% pyribenzoxim halosulfuronmethyl suspending agent.
Above-mentioned formula is pulverized the most in advance, adds in sand mill and grind, mix through high shear
After conjunction, allotment prepares 20% pyribenzoxim halosulfuronmethyl suspending agent.
This embodiment is used for preventing and kill off arid rice nursery annual grassy weeds, 20% pyribenzoxim chlorine pyrrole
Sulfometuron Methyl suspending agent consumption 72g a.i./ha soil treatment, after medicine, 10 days preventive effects are 96.9%；5%
Pyribenzoxim wettable powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are
73.9%；15% halosulfuronmethyl cream consumption 45g a.i./ha soil treatment, after medicine 10 days 78.3%.
After pyribenzoxim is compounding with halosulfuronmethyl acid, potentiation is obvious, the 20% pyribenzoxim phonetic sulphur of chlorine pyrrole
Grand suspending agent is prevented and kill off arid rice nursery annual grassy weeds drug effect and is substantially better than 5% pyribenzoxim suspension
Agent and 15% halosulfuronmethyl cream.Owing to pharmacy control efficacy improves, compound drug effective ingredient consumption subtracts
Few, expand weed control spectrum, reduce drug cost, delay the generation of disease drug resistance, decrease ring
Environment pollution.
Preparation method embodiment three: 40% pyribenzoxim halosulfuronmethyl water dispersible granules.
By above-mentioned formula dry pulverization process in proportion, pelletize, dry, the prepared 40% pyrimidine oxime of screening preparation
Grass ether halosulfuronmethyl water-dispersible granules.
This embodiment is used for preventing and kill off arid rice nursery annual grassy weeds, 40% pyribenzoxim chlorine pyrrole
Sulfometuron Methyl water-dispersible granules consumption 72g a.i./ha soil treatment, after medicine, 10 days preventive effects are 95.3%；
5% pyribenzoxim wettable powder consumption 45g a.i./ha soil treatment, after medicine, 10 days preventive effects are
68.3%；15% halosulfuronmethyl cream consumption 45g a.i./ha soil treatment, after medicine 10 days 86.3%.
After pyribenzoxim is compounding with halosulfuronmethyl, potentiation is obvious, 20% pyribenzoxim halosulfuronmethyl
Water-dispersible granules is prevented and kill off arid rice nursery annual grassy weeds drug effect and is substantially better than 5% pyribenzoxim
Wettable powder and 15% halosulfuronmethyl cream.Owing to pharmacy control efficacy improves, compound drug effectively becomes
Demultiplexing amount reduces, and expands weed control spectrum, reduces drug cost, delays the generation of disease drug resistance,
Decrease environmental pollution.
Claims (2)
1. one kind contains pyribenzoxim and the composition pesticide of halosulfuronmethyl, it is characterised in that: the effective ingredient ratio that is pyribenzoxim and halosulfuronmethyl, pyribenzoxim and the halosulfuronmethyl mass fraction in composition pesticide is for 1:1.
It is the most according to claim 1 a kind of containing pyribenzoxim with the composition pesticide of halosulfuronmethyl, it is characterised in that: the dosage form of described composition pesticide is the one in oil-suspending agent, suspending agent, wettable powder or dosage form of water dispersible granule.
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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 true CN103503899B (en) | 2017-01-04 |
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Families Citing this family (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 |
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 |
-
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 |
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