CN103120181A - Weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium - Google Patents
Weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium Download PDFInfo
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- CN103120181A CN103120181A CN201210574022XA CN201210574022A CN103120181A CN 103120181 A CN103120181 A CN 103120181A CN 201210574022X A CN201210574022X A CN 201210574022XA CN 201210574022 A CN201210574022 A CN 201210574022A CN 103120181 A CN103120181 A CN 103120181A
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- pyrithiobac
- acifluorfen
- glyphosate
- herbicidal composition
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Abstract
The invention discloses a weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium. The weedicide composition contains the active components of glyphosate, acifluorfen and pyrithiobac-sodium, and comprises the following components in percentage by weight: 30-60% of glyphosate, 5-30% of acifluorfen, 0.5-10% of pyrithiobac-sodium and the balance of assistant. The preparation formulation of the weedicide composition can be water and soluble powder (granules). The composition has obvious synergistic action after being complexed, enlarges the weed control spectrum, improves the weeding speed and remarkably reduces the consumption and use frequency of the weedicide, and can be used for controlling weeds in woodlands, noncroplands, citrus orchards and other places as well as some gramineous and broadleaf weeds which are difficult to control.
Description
Technical field:
The present invention relates to a kind of composition pesticide and production method thereof, is weed killer herbicide and production method thereof as the forest land use take glyphosate, acifluorfen and pyrithiobac-sodium as active ingredient.
Technical background:
The weed killer herbicide that uses on the forest land at present is with glyphosate, and gram is main without steriland herbicides such as tracks.But glyphosate is alone very little to some weeds preventive effects, and not ideal enough to the broad leaved weed effect; Gram is the contact killing type weed killer herbicide without track, and acrial part that can only the kill plants body is relatively poor to some perennial weed effects, and toxicity own is very high, easily causes poisoning.Therefore, product of the present invention is the composite product of glyphosate, has both solved the problems such as the undesirable and herbicide of the alone effect of glyphosate spectrum is wide not, also can avoid gram without track to problems such as perennial weed weak effect and toxicity height.
Glyphosate (glyphosate), chemical name: N-((phosphonomethyl)) glycine or N-((phosphonomethyl)) amion acetic acid, molecular formula: C
3H
8NO
5The P sterling is non-volatile white solid, and proportion is 0.5, greatly about about 230 ℃ fusings, and follows decomposition.Solvability in the time of 25 ℃ in water is 1.2%, is insoluble to common organic solvents, and its isopropyl amine salt is dissolved in water fully.Non-combustible, do not explode, storage at normal temperature is stable.Inner sucting conduction type wide spectrum steriland herbicide.Safer to natural enemy and beneficial organism.Main by enol acetonyl shikimene phosphate synthase in the inhibition plant corpus, thus shikimene suppressed to the conversion of phenyl alanine, tyrosine and tryptophan, make synthetic being interfered of protein cause plant dead.Glyphosate is strong and famous with interior suction conductivity, it can not only be transmitted under ground portion by cauline leaf, and also can conduct between the difference of same plant is tillered, very strong to the underground organization destructive power of perennial dark root weeds, can reach the general agricultural machinery degree of depth that is beyond one's reach.Glyphosate herbicide spectrum is very wide, and the plant of section more than 40 is prevented and kill off effect, comprises the plants such as unifacial leaf and dicotyledonous, annual and perennial, herbs and shrubs.The better resistance of some plants of pulse family and Liliaceae to glyphosate.Be combined and lose activity with metal ions such as iron, aluminium very soon after glyphosate buries.
Acifluorfen (acifluorfen), chemical name: 5-[2-chloro-4-(trifluoromethyl)-phenoxy group]-2-nitrobenzoic acid (sodium), molecular formula: C
14H
6ClF
3NNaO
5Former medicine is light brown solid, density is 1.546,142～160 ℃ of fusing points, vapour pressure 0.01mpa (20 ℃), solvability 120mg/L in water (23～25 ℃), be 600g/kg (25 ℃) in acetone, ethanol 500g/kg (25 ℃), dimethylbenzene＜10g/kg (25 ℃), in kerosene＜and 10g/kg (25 ℃), store in the time of 50 ℃ and stablized in 2 months.Stable in acid-base medium, 235 ℃ of decomposition temperatures (being the character of acid).It is a kind of tagging property weed killer herbicide.Early time treatment after seedling, absorbed by weeds, the mode of action is for tagging, can impel stomatal closure, by means of light performance activity of weeding, increase the plant corpus temperature and cause necrosis, and suppress the conduction of mitochondria electronics, to cause the stagnation of respiratory system and energy production system, suppress cell division and make weeds lethal.But enter in the soybean body, by metabolism rapidly, therefore can selectivity prevent and kill off broad leaved weed.In normal soil, can not penetrate into dark soil layer, can be become carbonic acid gas with sunlight degradation by Soil Microorganism.
Pyrithiobac-sodium (pyrithiobac-sodium), chemical name: 2-chloro-6-(4,6-dimethoxypyridin-2-base sulfenyl) benzoic acid sodium salt, molecular formula: C
13H
10ClN
2NaO
4S, former medicine outward appearance is white solid, 233.8～234.2 ℃ of fusing points, vapour pressure 4.8 * 10-9Pa, relative density 1.609, solvability (20 ℃) water (g/L) 264 (pH5), other (mg/L) acetone 812 of 705 (pH7), methyl alcohol 270000, carrene 8.38, n-hexane 10.Be a kind of acetolactate synthestase (ALS) inhibitor, reach the effect of management of weeds by stoping amino acid whose biosynthesis.Can prevent and kill off annual and perennial grassy weed and most of broad leaved weed.To difficulty cut weeds as variously lead a cow, Siberian cocklebur, piemarker, thorn chrysanthemum standing grain thought, Tian Pu, Aleppo grass etc. have good preventive effect.
Weed killer herbicide product patent present and that glyphosate is composite is a lot, as publication ZL200580011545.1, CN200810211233.0, CN201080037663.0, CN201010173342.5 and CN200980118561.9 etc., these composite compositions all are used for preventing and treating the weeds such as forest land, uncultivated area and Citrus Orchard, do not have the report that discovery contains the weed killer herbicide of glyphosate, acifluorfen and pyrithiobac-sodium in these compositions.
Summary of the invention:
The purpose of this invention is to provide a kind of glyphosate herbicide that can enlarge and compose, increase weed killer herbicide and the production method thereof of Gyphosate herbicice effect.
The inventor has found with the composite herbicidal composition that obtains of glyphosate, acifluorfen and pyrithiobac-sodium and production method thereof through overtesting and comparison, and it has weeding ability preferably, efficient, safety, environmental protection.
Technical scheme of the present invention is as follows:
The herbicidal composition that contains glyphosate, acifluorfen and pyrithiobac-sodium, the active ingredient of this herbicidal composition is glyphosate, acifluorfen and pyrithiobac-sodium, wherein the glyphosate percentage by weight is 30%～60%, acifluorfen percentage by weight 5%～30%, the pyrithiobac-sodium percentage by weight is 0.5%～10%, and all the other are auxiliary agent.
Described auxiliary agent comprises two or more in wetting agent, solvent and filler.
Described wetting agent is one or more in tallow amine polyoxyethylene ether, alkyl glycoside, neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, alkylaryl polyoxyethylene ether, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, Nonyl pheno base ether;
Described solvent is water, ammoniacal liquor, sodium hydroxide solution, potassium hydroxide solution and isopropylamine;
Described filler comprises one or more in sodium hydroxide, potassium hydroxide, ammonium sulfate, precipitated calcium carbonate, white carbon.
The herbicidal composition that contains glyphosate, acifluorfen and pyrithiobac-sodium of inventing can be made aqua, soluble powder (grain) agent as required.
The described component that comprises following weight content when glyphosate, acifluorfen and pyrithiobac-sodium herbicidal composition are made aqua that contains: glyphosate 30%～60%, acifluorfen 5%～30%, pyrithiobac-sodium 0.5%～10%, wetting agent 1%～10%, all the other are solvent.Each component is mixed, and stirring at normal temperatures obtains glyphosate acifluorfen pyrithiobac-sodium aqua product.
The described component that comprises following weight content when glyphosate, acifluorfen and pyrithiobac-sodium herbicidal composition are made soluble powder (grain) agent that contains: glyphosate 30%～60%, acifluorfen 5%～30%, pyrithiobac-sodium 0.5%～10%, wetting agent 1%～10%, all the other are filler.Each component is mixed by air-flow crushing (soluble granula will carry out granulation again), namely can be made into glyphosate acifluorfen pyrithiobac-sodium soluble powder (grain) agent product.
Insecticides provided by the present invention has the following advantages:
Can overcome the problems such as the undesirable and herbicide of the alone effect of present glyphosate spectrum is wide not, and with low cost, safe and efficient.
Embodiment:
The invention will be further described below in conjunction with embodiment, but content of the present invention is not limited to this.
Embodiment 1:
With 95% glyphosate 31.58g, 95% acifluorfen 31.58g, the 95% pyrithiobac-sodium 0.527g ammonia solvent of 22g28%, add neopelex 4g, after alkyl glycoside 3g, water supply 100g and stir, namely obtain active constituent content and be 60.5% composition aqua.
Embodiment 2:
With 95% glyphosate 42.11g, 95% acifluorfen 21.06g, the 95% pyrithiobac-sodium 5.27g ammonia solvent of 26g28%, add calcium dodecyl benzene sulfonate 3g, tallow amine polyoxyethylene ether 1g, after water is supplied 100g and stirred, namely obtain active constituent content and be 65% composition aqua.
Embodiment 3:
With 95% glyphosate 52.64g, 95% acifluorfen 10.53g, 95% pyrithiobac-sodium 5.27g adds lauryl sodium sulfate 1g with the ammonia solvent of 30g28%, after water is supplied 100g and stirred, namely obtain active constituent content and be 65% composition aqua.
Embodiment 4:
With 95% glyphosate 31.58g, 95% acifluorfen 5.27g, the 95% pyrithiobac-sodium 10.53g dissolution of sodium hydroxide of 42g30%, add alkyl phenol formaldehyde resin polyoxyethylene ether 4g, alkyl glycoside 4g, after water is supplied 100g and stirred, namely obtain active constituent content and be 45% composition aqua.
Embodiment 5:
With 95% glyphosate 31.58g, 95% acifluorfen 10.53g, the 95% pyrithiobac-sodium 10.53g dissolution of sodium hydroxide of 44g30%, add aliphatic alcohol sulfate 2g, alkyl phenol formaldehyde resin polyoxyethylene ether 1g, after water is supplied 100g and stirred, namely obtain active constituent content and be 50% composition aqua.
Embodiment 6:
With 95% glyphosate 31.58g, 95% acifluorfen 5.27g, the 95% pyrithiobac-sodium 1.053g dissolution of sodium hydroxide of 38g30%, add phenethyl phenol polyethenoxy ether 4g, tallow amine polyoxyethylene ether 1g, after water is supplied 100g and stirred, namely obtain active constituent content and be 36% composition aqua.
Embodiment 7:
With 95% glyphosate 42.11g, 95% acifluorfen 5.27g, 95% pyrithiobac-sodium 5.27g adds Nonyl pheno base ether 2g with the potassium hydroxide dissolving of 44g50%, after water is supplied 100g and stirred, namely obtain active constituent content and be 50% composition aqua.
Embodiment 8:
With 95% glyphosate 31.58g, 95% acifluorfen 21.06g, 95% pyrithiobac-sodium 1.053g dissolves with the potassium hydroxide of 37g50%, add calcium dodecyl benzene sulfonate 4g, tallow amine polyoxyethylene ether 2g, after water is supplied 100g and stirred, namely obtain active constituent content and be 51% composition aqua.
Embodiment 9:
With 95% glyphosate 31.58g, 95% acifluorfen 31.58g, 95% pyrithiobac-sodium 10.53g dissolves with the isopropylamine of 23g99.5%, add calcium dodecyl benzene sulfonate 1g, alkyl glycoside 1g, after water is supplied 100g and stirred, namely obtain active constituent content and be 70% composition aqua.
Embodiment 10:
With 95% glyphosate 63.16g, 95% acifluorfen 5.27g, 95% pyrithiobac-sodium 0.527g adds 1g alkylaryl polyoxyethylene ether with the isopropylamine dissolving of 30g99.5%, after water is supplied 100g and stirred, namely obtain active constituent content and be 65.5% composition aqua.
Embodiment 11:
With 95% glyphosate 52.64g, 95% acifluorfen 5.27g, the sodium hydrate solid powder of 95% pyrithiobac-sodium 1.053g and 20g96% mix and react complete after, add ammonium sulfate 5g and alkylnaphthalene sulfonate 6g, alkyl glycoside 4g, and supply 100g with precipitated calcium carbonate, after stirring, namely obtain active constituent content and be 56% composition soluble powder.
Embodiment 12:
With 95% glyphosate 42.11g, 95% acifluorfen 10.53g, the potassium hydroxide pressed powder of 95% pyrithiobac-sodium 5.27g and 25g90% mix and react complete after, add ammonium sulfate 5g and neopelex 6g, calcium dodecyl benzene sulfonate 3g, and supply 100g with precipitated calcium carbonate, after stirring, namely obtain active constituent content and be 55% composition soluble powder.
Embodiment 13:
With 95% glyphosate 31.58g, 95% acifluorfen 31.58g, the sodium hydrate solid powder of 95% pyrithiobac-sodium 10.53g and 16g96% mix and react complete after, add ammonium sulfate 5g and aliphatic alcohol sulfate 4g, alkylaryl polyoxyethylene ether 1g, and supply 100g with white carbon, after stirring, namely obtain active constituent content and be 70% composition soluble powder.
Embodiment 14:
With 95% glyphosate 42.11g, 95% acifluorfen 21.06g, the potassium hydroxide pressed powder of 95% pyrithiobac-sodium 0.527g and 27g90% mix and react complete after, add ammonium sulfate 5g and alkyl phenol formaldehyde resin polyoxyethylene ether 2g, alkylnaphthalene sulfonate 1g, and supply 100g with white carbon, after stirring, granulation more namely obtains active constituent content and is 60.5% composition soluble granula.
Embodiment 15:
With 95% glyphosate 31.58g, 95% acifluorfen 10.53g, the potassium hydroxide pressed powder of 95% pyrithiobac-sodium 10.53g and 21g90% mix and react complete after, add ammonium sulfate 5g and Nonyl pheno base ether 5g, alkyl glycoside 3g, and supply 100g with precipitated calcium carbonate, after stirring, granulation more namely obtains active constituent content and is 50% composition soluble granula.
Embodiment 16:
With 95% glyphosate 63.16g, 95% acifluorfen 5.27g, the sodium hydrate solid powder of 95% pyrithiobac-sodium 0.527g and 23g96% mix and react complete after, add ammonium sulfate 5g and alkylaryl polyoxyethylene ether 1g, alkylnaphthalene sulfonate 1g, and supply 100g with white carbon, after stirring, then granulation, namely obtain active constituent content and be 65.5% composition soluble granula.
Application Example:
By indoor biometrics, we can determine the drug effect situation (embodiment and Application Example are one-to-one relationship) of above-mentioned embodiment gained glyphosate acifluorfen pyrithiobac-sodium preparation.Test method is spray-on process, and the fresh weight preventive effect deducts the processing preventive effect for the contrast preventive effect, and income value is again divided by the contrast preventive effect.Concrete result of the test such as following table:
Embodiment 1:
Annotate: fresh weight is four repetition means.(as follows)
Embodiment 2:
Embodiment 3:
Embodiment 4:
Embodiment 5:
Embodiment 6:
Embodiment 7:
Embodiment 8:
Embodiment 9:
Embodiment 10:
Embodiment 11:
Embodiment 12:
Embodiment 13:
Embodiment 14:
Embodiment 15:
Embodiment 16:
Can find out that from above-mentioned each test of pesticide effectiveness herbicidal composition of the present invention is to grassy weed---lady's-grass, the rhizome of nutgrass flatsedge has control efficiency clearly to broad leaved weed---bidens pilosa and sedge weed---.
Toxicity Determination
The Colby method:
Glyphosate, acifluorfen and pyrithiobac-sodium are mixed the theoretical preventive effect of lady's-grass, bidens pilosa and the rhizome of nutgrass flatsedge, actual preventive effect and synergy effect are seen Table respectively 1 and table 2.Can find out from table 1 and table 2, the synergy situation that glyphosate, acifluorfen and pyrithiobac-sodium are mixed to lady's-grass is summation action, and to the synergy of bidens pilosa and the rhizome of nutgrass flatsedge take synergy as main, some is combined as summation action.Illustrate that the preventive effect that glyphosate, acifluorfen and pyrithiobac-sodium are mixed to grassy weed does not have antagonism, is summation action; Broad leaved weed and the combination of sedge weed great majority had obvious synergistic effect.
Table 2 glyphosate, acifluorfen and pyrithiobac-sodium are mixed to the actual preventive effect of lady's-grass and synergy effect table
Table 3 glyphosate, acifluorfen and pyrithiobac-sodium are mixed to the actual preventive effect of bidens pilosa and the rhizome of nutgrass flatsedge and synergy effect table
Claims (5)
1. herbicidal composition that contains glyphosate, acifluorfen and pyrithiobac-sodium, it is characterized in that: the active ingredient of this herbicidal composition is glyphosate, acifluorfen and pyrithiobac-sodium, wherein the glyphosate weight percentage is 30%～60%, the acifluorfen weight percentage is 5%～30%, the pyrithiobac-sodium weight percentage is 0.5%～10%, all the other are auxiliary agent, are total up to 100%;
Described auxiliary agent comprises two or more in wetting agent, solvent and filler.
2. the herbicidal composition that contains glyphosate, acifluorfen and pyrithiobac-sodium as claimed in claim 1, it is characterized in that: the formulation of described herbicidal composition is aqua or soluble powder (grain) agent.
3. the herbicidal composition that contains glyphosate, acifluorfen and pyrithiobac-sodium as claimed in claim 1 is characterized in that: in described auxiliary agent,
Described wetting agent is one or more in tallow amine polyoxyethylene ether, alkyl glycoside, neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, alkylaryl polyoxyethylene ether, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, Nonyl pheno base ether;
Described solvent comprises one or more in water, ammoniacal liquor, sodium hydroxide solution, potassium hydroxide solution and isopropylamine;
Described filler comprises one or more in sodium hydroxide, potassium hydroxide, ammonium sulfate, precipitated calcium carbonate, white carbon.
4. the production method that contains the herbicidal composition of glyphosate, acifluorfen and pyrithiobac-sodium as claimed in claim 2, it is characterized in that: in described aqua product, each component forms and weight percentage is: glyphosate 30%～60%, acifluorfen 5%～30%, pyrithiobac-sodium 0.5%～10%, wetting agent 1%～10%, all the other are solvent, each component is mixed, and stirring at normal temperatures obtains product.
5. the production method that contains the herbicidal composition of glyphosate, acifluorfen and pyrithiobac-sodium as claimed in claim 2, it is characterized in that: in described soluble powder (grain) agent product, each component forms and weight percentage is: glyphosate 30%～60%, acifluorfen 5%～30%, pyrithiobac-sodium 0.5%～10%, wetting agent 1%～10%, all the other are filler, each component is mixed by air-flow crushing, if for soluble granula need to carry out granulation again, namely can be made into product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210574022.XA CN103120181B (en) | 2012-12-26 | 2012-12-26 | Weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium |
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|---|---|---|---|
| CN201210574022.XA CN103120181B (en) | 2012-12-26 | 2012-12-26 | Weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110754481A (en) * | 2019-12-06 | 2020-02-07 | 李玉洁 | Efficient herbicide for cotton field and preparation method thereof |
| CN116098162A (en) * | 2022-12-16 | 2023-05-12 | 上海沪联生物药业（夏邑）股份有限公司 | Composite weeding composition and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651971A (en) * | 2009-12-09 | 2012-08-29 | 巴斯夫欧洲公司 | Liquid suspension concentrate formulations containing saflufenacil and glyphosate |
| CN102805100A (en) * | 2012-08-16 | 2012-12-05 | 济南绿邦化工有限公司 | Herbicide capable of reducing resistance of glyphosate |
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- 2012-12-26 CN CN201210574022.XA patent/CN103120181B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651971A (en) * | 2009-12-09 | 2012-08-29 | 巴斯夫欧洲公司 | Liquid suspension concentrate formulations containing saflufenacil and glyphosate |
| CN102805100A (en) * | 2012-08-16 | 2012-12-05 | 济南绿邦化工有限公司 | Herbicide capable of reducing resistance of glyphosate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110754481A (en) * | 2019-12-06 | 2020-02-07 | 李玉洁 | Efficient herbicide for cotton field and preparation method thereof |
| CN116098162A (en) * | 2022-12-16 | 2023-05-12 | 上海沪联生物药业（夏邑）股份有限公司 | Composite weeding composition and preparation method thereof |
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