CN102308814A - Weeding composition containing penoxsulam and metamifop for paddy field - Google Patents
Weeding composition containing penoxsulam and metamifop for paddy field Download PDFInfo
- Publication number
- CN102308814A CN102308814A CN201110111037A CN201110111037A CN102308814A CN 102308814 A CN102308814 A CN 102308814A CN 201110111037 A CN201110111037 A CN 201110111037A CN 201110111037 A CN201110111037 A CN 201110111037A CN 102308814 A CN102308814 A CN 102308814A
- Authority
- CN
- China
- Prior art keywords
- penoxsuam
- grass amine
- acyl grass
- oxazole acyl
- penoxsulam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition containing penoxsulam and metamifop for a paddy field. The weight part ratio of penoxsulam to metamifop in the weeding composition is (20:1)-(1:20), and preferably (1:1)-(1:10). The prevention and control effect of the weeding composition disclosed by the invention is improved obviously compared with that of a single agent, the use dosage of pesticide is reduced, and the adverse effect of the pesticide on ecological environment is reduced; and the weeding composition has great significance in the comprehensive treatment of weed resistance, and has great economic benefit and social benefit.
Description
Technical field
The present invention relates to a kind of herbicide composition for paddy fields, is with penoxsuam with oxazole acyl grass amine is effective ingredient, is used to prevent and kill off the paddy field annual weed.
Background technology
The chemical method weeding is that agricultural goes up one of main means of controlling weeds.In recent years, because some weed killer herbicide kind large tracts of land are used separately, caused a lot of weeds to develop immunity to drugs.Simultaneously, the grass when weeds are taken place is complicated mutually, and not only annual mixing with perennial weed given birth to; Draft, liana and shrub have concurrently, and weeds emerge uneven, seed, the staggered generation of low age, advanced age weeds.So when the weed killer herbicide kind is used separately, all can show in a certain respect defective and limitation.
Penoxsuam is that broad-spectrum herbicide is used in the rice field behind the bud, can effectively prevent and kill off barnyard grass grass, moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds, and the lasting period is long.Simultaneously, it also can prevent and kill off anti-bensulfuron-methyl weeds in the rice field, and many broad-leaveds and sedge weed and barnyard grass grass etc. are had residual activity, for composing the widest kind with killing grass in the weed killer herbicide in present rice field.But penoxsuam is strong inhibitor of acetolactate synthetase, and medicament appears slower, needs the certain hour weeds just dead gradually.
Oxazole acyl grass amine; For fragrant phenoxy esters of gallic acid weed killer herbicide, can effectively prevent and kill off the most of annual gramineous weeds of paddy field, different with this type of weed killer herbicide of great majority is that oxazole acyl grass amine is to rice safety; Can effectively prevent and kill off the paddy field main weeds,, be mainly used in and transplant and the direct sowing rice field weeding like barnyard grass grass, moleplant seed, lady's-grass and eleusine indica.Low toxicity, environmentally safe, miscibilty is widely arranged, and be expected to be used for other crops and lawn weeding, be a very promising weed killer herbicide.If long-term use separately, weeds will develop immunity to drugs.
During the single use of penoxsuam and oxazole acyl grass amine, certain defective and limitation are arranged all.
The inventor to penoxsuam He being mixed of amine of oxazole acyl grass further investigate; On the basis of a large amount of indoor formulation screening tests and field medicine effect test; Find penoxsuam with oxazole acyl grass amine is mixed; In certain mixed ratio scope, paddy field weed is shown obvious synergistic effect,, accomplished the present invention through further research.
Penoxsuam is with being mixed and using and still do not have report at present of oxazole acyl grass amine.
Summary of the invention
Technical problem to be solved: the objective of the invention is to solve the deficiency in the actual use of above-mentioned weed killer herbicide; Provide a kind of efficient, low toxicity, low cost, quick-acting good; And the lasting period is long, and what help the weeds in paddy field comprehensive regulation contains penoxsuam with the Herbicidal composition for rice field of oxazole acyl grass amine.
Another object of the present invention provides said Herbicidal combinations is applied to prevent and kill off the paddy field annual weed.
Technical scheme: be to realize above-mentioned purpose, the present invention provide a kind of with penoxsuam with oxazole acyl grass amine is the Herbicidal combinations of effective ingredient, penoxsuam is Yu the ratio of weight and number of oxazole acyl grass amine is 20:1～1:20, preferred proportion is 1:1～1:10.
Herbicidal combinations of the present invention can be mixed with the application forms that suitable agricultural such as suspending agent, oil-suspending agent, aqueous emulsion, wetting powder, water dispersible granules is used according to well known to a person skilled in the art method.
Herbicidal combinations of the present invention also contains acceptable insecticides adjuvant on the required agricultural of preparation pesticidal preparations; Be selected from solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, antifoaming agent, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, the surfactant one or more; Be known substance; Be various auxiliary agents commonly used in the pesticidal preparations, can change to some extent, do not have special qualification according to different situations.
The production technology of the various application forms of Herbicidal combinations of the present invention all belongs to existing known technology, repeats no more at this.
Herbicidal combinations provided by the invention is applied to prevent and kill off the paddy field annual weed.
Herbicidal combinations provided by the invention adopts the method for directed spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.
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 agent, has reduced the using dosage of agricultural chemicals, has reduced the medication number of times; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of effective ingredients has enlarged herbicidal spectrum, and a drug can solve various weeds problems, defective and limitation when having remedied single agent and using.
3, Herbicidal combinations provided by the invention, two kinds of effective ingredient mechanism of action have nothing in common with each other, and can overcome the shortcoming that long-term single use is easy to generate resistance, prolong the service life of medicament, and the comprehensive regulation of weeds resistance is had significance.
4, Herbicidal combinations provided by the invention, the drug effect performance is rapid, and the lasting period is long, and use cost is low, and is easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make the object of the invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only is used to describe the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
FORMULATION EXAMPLE one (6% penoxsulam An oxazole acyl grass amine wetting powder).
Penoxsuam 1.5% ， oxazole acyl grass amine 4.5%, neopelex 4%, sodium lignin sulfonate 3%, talcum powder 2%, white carbon 2%, attapulgite is supplemented to 100%.
Above-mentioned prescription got in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make 6% penoxsulam amine oxazole acyl grass amine wetting powder again.
FORMULATION EXAMPLE two (6.9% penoxsulam An oxazole acyl grass amine suspending agent).
Penoxsuam 0.9%, oxazole acyl grass amine 6%, agricultural newborn 1601# 15% is to oleoyl amido methyl phenyl ethers anisole sulfonic acid 5%; Alkyl phenol formaldehyde resin polyoxyethylene ether sulphate 4%, bentonite 3%, xanthans 0.1%; Organosilicon 0.4%, glycerine 4%, deionized water complements to 100%.
Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 6.9% penoxsulam An oxazole acyl grass amine suspending agent after high shear mixing.
FORMULATION EXAMPLE three (15% penoxsulam An oxazole acyl grass amine water dispersible granules).
Penoxsuam 2.5% ， oxazole acyl grass amine 12.5%, lauryl sodium sulfate 6%, polycarboxylate 4%, sodium chloride 2%, polyethylene glycol 3%, kaolin complements to 100%.
Dry pulverization process, granulation, drying, screening make 15% penoxsulam An oxazole acyl grass amine water-dispersible granules in proportion with above-mentioned prescription.
FORMULATION EXAMPLE four (10.5% penoxsulam An oxazole acyl grass amine aqueous emulsion).
Penoxsuam 1.5% ， oxazole acyl grass amine 9%, N-Methyl pyrrolidone 10%, neopelex 8%, polyvinyl alcohol 3%, emulsifier 500# 6%, organosilicon 0.5%, deionized water complements to 100%.
Above-mentioned prescription Central Plains medicine, solvent, emulsifiers dissolve are become even oil phase; With the mixed water that gets of water-soluble component and deionized water in the above-mentioned prescription; Under high-speed stirred, with oil phase and the mixed 10.5% penoxsulam An oxazole acyl grass amine aqueous emulsion that gets of water.
FORMULATION EXAMPLE five: (12.5% penoxsulam An oxazole acyl grass amine oil-suspending agent).
Penoxsuam 2.5% ， oxazole acyl grass amine 10%, vegetable oil 30%, bentonite 1%, methylated vegetable oil complements to 100%.
Above-mentioned prescription Central Plains medicine, solvent, emulsifiers dissolve are become even oil phase; Under high-speed stirred, the mixed 12.5% penoxsulam An oxazole acyl grass amine oil-suspending agent that gets.
Biologicall test embodiment one: penoxsuam is Yu oxazole acyl grass amine is mixed that the synergy of paddy field weed is measured.
Yu oxazole acyl grass amine is mixed to the synergy of paddy field weed, the inventor has carried out indoor formulation screening test to penoxsuam Yu oxazole acyl grass amine is mixed in order further to understand penoxsuam:
Test material: chickweed [
Stellaria media(L.) Cyrillus] (field is collected seed and is preserved).The barnyard grass grass [
Echinochloa crusgalli(L.) Beaw Setaria] (field is collected seed and is 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 takes by weighing certain mass earlier is the former medicine of 95% penoxsuam; Purity is the former medicine of 96% oxazole acyl grass amine; The Tween 80 aqueous solution with 0.1% after adding acetone fully dissolves dilutes; Be mixed with single agent mother liquor respectively, according to the purpose that is mixed serial proportioning be set, each proportioning is provided with 5～7 concentration gradients.Kill the grass spectrum according to single agent and select representative susceptible weeds seed, it is subsequent use to be cultured to 1 leaf, 1 heart.After the weeds cauline leaf of selecting numbering handled, be placed in the 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) is calculated co-toxicity coefficient (CTC) with the abundant method of Sun Yun again.
Co-toxicity coefficient (CTC)>=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Measure the result and show (seeing table 1 and table 2), penoxsuam is Yu oxazole acyl grass amine between mixed ratio 20:1～1:20, has obvious synergistic effect, and especially between 1:1～1:10, synergistic effect is more obvious, and co-toxicity coefficient is more than 140.
Table 1 is that different proportioning penoxsuams are Yu the oxazole acyl grass amine synergy mensuration careless to barnyard grass.
Table 2 is different proportioning penoxsuams Yu oxazole acyl grass amine is measured the synergy of chickweed.
Biologicall test embodiment two: penoxsuam is composition for preventing and controlling direct seading rice field weed field control effectiveness test Yu oxazole acyl grass amine is mixed.
Supply reagent agent and dispenser dosage: (2.5% penoxsuam: 10% oxazole acyl grass amine), mu is with preparation 10 grams (1#) for (1), 12.5% penoxsulam An oxazole acyl grass amine oil-suspending agent.(2), (0.9% penoxsuam: 6% oxazole acyl grass amine), mu is with preparation 20 grams (2#) for 6.9% penoxsulam An oxazole acyl grass amine suspending agent.
Contrast medicament and dispenser dosage: (1), 2.5% penoxsuam oil-suspending agent, mu is with preparation 60 grams (3#).(2), 10% oxazole acyl grass amine missible oil, mu restrains (4#) with preparation 80.
Dispenser period: the weeds 2-3 leaf phase, convert the water even spraying.
Result of the test: see table 3, can find out from result of the test: after the dispenser 15 days, Herbicidal combinations of the present invention to total preventive effect of direct seading rice annual weed all more than 94%; After the dispenser 30 days, total preventive effect obviously was better than single agent of contrast all more than 97%, and synergistic effect is remarkable, and has enlarged herbicidal spectrum, and quick-acting and lasting period obviously are superior to single agent.
Table 3 is control direct seading rice field weed field control effectiveness test result.
Claims (4)
1. a Herbicidal composition for rice field that contains penoxsuam and oxazole acyl grass amine is characterized in that comprising two kinds of effective ingredients: penoxsuam and oxazole acyl grass amine.
2. according to claim 1ly a kind ofly contain penoxsuam with the Herbicidal composition for rice field of oxazole acyl grass amine; It is characterized in that: penoxsuam is Yu the ratio of weight and number of oxazole acyl grass amine is 20:1～1:20, and the preferred weight portion rate is 1:1～1:10.
3. according to claim 1 and 2ly a kind ofly contain penoxsuam with the Herbicidal composition for rice field of oxazole acyl grass amine, it is characterized in that formulation is a kind of in suspending agent, oil-suspending agent, aqueous emulsion, wetting powder, the water dispersible granules.
4. according to claim 1 and 2ly a kind ofly contain penoxsuam with the Herbicidal composition for rice field of oxazole acyl grass amine is characterized in that being used to prevent and kill off the paddy field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110111037A CN102308814A (en) | 2011-04-29 | 2011-04-29 | Weeding composition containing penoxsulam and metamifop for paddy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110111037A CN102308814A (en) | 2011-04-29 | 2011-04-29 | Weeding composition containing penoxsulam and metamifop for paddy field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102308814A true CN102308814A (en) | 2012-01-11 |
Family
ID=45422684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110111037A Pending CN102308814A (en) | 2011-04-29 | 2011-04-29 | Weeding composition containing penoxsulam and metamifop for paddy field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102308814A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392712A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Weeding composition containing oxaziclomefone and penoxsulam |
| CN105432632A (en) * | 2015-11-30 | 2016-03-30 | 浙江新农化工股份有限公司 | Weeding composition containing pyriminobac-methyl, penoxsulam and metamifop and preparation and application thereof |
| CN107156147A (en) * | 2017-04-12 | 2017-09-15 | 浙江天丰生物科学有限公司 | Herbicidal composition for paddy fields containing penoxsuam, the different monooctyl ester, metamifops of fluroxypyr |
| CN107232211A (en) * | 2017-07-14 | 2017-10-10 | 安徽金农康农药检测有限公司 | A kind of penoxsuam is He metamifop compounds dispersible oil-suspending agent and preparation method thereof |
| CN107751222A (en) * | 2017-10-23 | 2018-03-06 | 浙江天丰生物科学有限公司 | Herbicidal combinations containing mesotrione, penoxsuam He metamifop |
| CN108124891A (en) * | 2018-01-12 | 2018-06-08 | 陕西上格之路生物科学有限公司 | A kind of Herbicidal composition for rice field |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822262A (en) * | 2010-05-18 | 2010-09-08 | 东莞市瑞德丰生物科技有限公司 | Weeding composition |
| CN101946783A (en) * | 2010-09-17 | 2011-01-19 | 北京颖新泰康国际贸易有限公司 | Herbicide composition and application thereof |
-
2011
- 2011-04-29 CN CN201110111037A patent/CN102308814A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822262A (en) * | 2010-05-18 | 2010-09-08 | 东莞市瑞德丰生物科技有限公司 | Weeding composition |
| CN101946783A (en) * | 2010-09-17 | 2011-01-19 | 北京颖新泰康国际贸易有限公司 | Herbicide composition and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392712A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Weeding composition containing oxaziclomefone and penoxsulam |
| CN103392712B (en) * | 2013-06-30 | 2016-04-06 | 广东中迅农科股份有限公司 | The Herbicidal combinations of Han You oxaziclomefone and penoxsuam |
| CN105432632A (en) * | 2015-11-30 | 2016-03-30 | 浙江新农化工股份有限公司 | Weeding composition containing pyriminobac-methyl, penoxsulam and metamifop and preparation and application thereof |
| CN107156147A (en) * | 2017-04-12 | 2017-09-15 | 浙江天丰生物科学有限公司 | Herbicidal composition for paddy fields containing penoxsuam, the different monooctyl ester, metamifops of fluroxypyr |
| CN107232211A (en) * | 2017-07-14 | 2017-10-10 | 安徽金农康农药检测有限公司 | A kind of penoxsuam is He metamifop compounds dispersible oil-suspending agent and preparation method thereof |
| CN107751222A (en) * | 2017-10-23 | 2018-03-06 | 浙江天丰生物科学有限公司 | Herbicidal combinations containing mesotrione, penoxsuam He metamifop |
| CN108124891A (en) * | 2018-01-12 | 2018-06-08 | 陕西上格之路生物科学有限公司 | A kind of Herbicidal composition for rice field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102132702B (en) | Paddy field weeding composition and application thereof | |
| CN102165956B (en) | Pesticide composite containing bispyribac-sodium and penoxsulam and application thereof | |
| CN103392732B (en) | The Herbicidal combinations that contains careless ammonium phosphine and benzene flumetsulam | |
| CN103392712A (en) | Weeding composition containing oxaziclomefone and penoxsulam | |
| CN102308814A (en) | Weeding composition containing penoxsulam and metamifop for paddy field | |
| CN103931650A (en) | Weeding composition containing glufosinate ammonium and clethodim | |
| CN103931632A (en) | Herbicidal composition containing pinoxaden and pyroxsulam | |
| CN104430451A (en) | Herbicidal composition containing triafamone and halosulfuron-methyl | |
| CN103416412A (en) | Weeding composition containing penoxsulam and pyribenzoxim | |
| CN103098821A (en) | Penoxsulam-anilofos weeding composition | |
| CN104430450A (en) | Herbicidal composition of triafamone and pyrazosulfuron | |
| CN103098803A (en) | Penoxsulam-clomazone pesticide composition | |
| CN102405916A (en) | Herbicidal composition containing fenoxaprop-P-ethyl and bentazone | |
| CN103329929A (en) | Weeding composition containing glufosinate-ammonium and 2,4-D butylate | |
| CN103749475A (en) | Weeding composition containing pyribenzoxim and fenoxaprop-p-ethyl | |
| CN103392733A (en) | Herbicidal composition containing glufosinate-ammonium and carfentrazone | |
| CN103329917A (en) | Weeding composition containing oxaziclomefone and bensulfuron methyl | |
| CN103766354A (en) | Weeding composition containing oxaziclomefone and bentazone | |
| CN103340208B (en) | The Herbicidal combinations of a kind of Han You oxaziclomefone and pyrazosulfuron | |
| CN104814024A (en) | Rice field herbicide composition containing metazosulfuron and penoxsulam | |
| CN104521982B (en) | Containing fluorine ketone sulphur grass An He the Herbicidal combinations of metamifop | |
| CN106259400B (en) | A kind of Herbicidal combinations containing Sulfonylurea and propyl-ester nitorfen | |
| CN103636650A (en) | Weeding composition containing fentrazamide and halosulfuron-methyl | |
| CN104012563A (en) | A weeding composition comprising flucetosulfuron and mefenacet | |
| CN103960267A (en) | Herbicidecomposition containing thifensulfuron-methyl and pyroxsulam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120111 |