CN110214789A - A kind of Synergistic type glyphosate herbicidal - Google Patents
A kind of Synergistic type glyphosate herbicidal Download PDFInfo
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- CN110214789A CN110214789A CN201910592566.0A CN201910592566A CN110214789A CN 110214789 A CN110214789 A CN 110214789A CN 201910592566 A CN201910592566 A CN 201910592566A CN 110214789 A CN110214789 A CN 110214789A
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- Prior art keywords
- glyphosate
- polyglutamic acid
- synergistic type
- glyphosate herbicidal
- type glyphosate
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Synergistic type glyphosate herbicidals, it is made of by mass percentage 10%~50% glyphosate, 0.05%~5% polyglutamic acid and auxiliary agent.With the active amino etc. on glyphosate molecule condensation reaction can occur for the pendant carboxylic group in active constituent on polyglutamic acid molecule, glyphosate is allowed to be easier to be attached to weeds surface by the tackness of polyglutamic acid, and weeds cell interior is entered in transhipment effect by polyglutamic acid, to play the effect of enhancing drug effect.The advantages that Synergistic type glyphosate herbicidal has strong drug action compared with traditional glyphosate herbicidal, and dosage is few, small to Soil Environmental Pollution.
Description
Technical field
The invention belongs to pesticide fields, more particularly to a kind of Synergistic type glyphosate herbicidal.
Background technique
Glyphosate (N- (phosphonomethyl) glycine), molecular formula (HO)2P(O)CH2NHCH2COOH also known as agriculture reach.Its molecule
On due to there is active hydrogen, so it is anti-that intermolecular condensation reaction, nitrosation reaction, phosphono, methylation can occur under certain condition
It answers, acylation reaction, alkylated reaction, complex reaction etc..Glyphosate, which is sprayed on plant stem-leaf, to be absorbed by plant, and energy
It is transported to plant root rapidly, by such method, glyphosate can not only kill the aerial part of green plants, and to this
The root of a little plants can also achieve the effect that kill.Due to glyphosate category Uptake and translocation wide spectrum steriland herbicide, it is deep by
Agricultural planting person likes, also therefore causes the excessive application of glyphosate.However, in recent years, constantly there is domestic and international research report
It points out the harmfulness of glyphosate, such as looks into section in Argentina, due to largely spraying glyphosate on genetically engineered soybean and rice crop,
Lead to baby due defect.Women from Paraguay contacts glyphosate herbicidal between period of pregnancy, it has been found that similar lacks
It falls into.Much lower comparison is consistent in industry plantation.There are also researchs to think, glyphosate is a suspicious incretion interferent.It
The generation that important reproductive hormone may be destroyed, such as progestational hormone and estrogen.It is having delivered research shows that: animals and humans cell
Various endocrine effects are related to glyphosate.Therefore, glyphosate application rates how to be reduced and are badly in need of asking for concern as growing industry
Topic.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of Synergistic type combinations of herbicides
Object accelerates weeding speed, reduces the dosage of herbicide to improve effect of cutting weeds.
In order to achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of Synergistic type glyphosate herbicidal, it is made of component as follows by mass percentage:
Glyphosate 10%~50%；
Polyglutamic acid 0.05%~5%；
Surplus is auxiliary agent.
Wherein, glyphosate and polyglutamic acid are active constituent.
The polyglutamic acid be gamma-polyglutamic acid sterling, gamma-polyglutamic acid salt sterling, gamma-polyglutamic acid fermentation liquid or
Any one or the combination of several of them in gamma-polyglutamic acid fermented liquid spray drying pulvis；Wherein, the molecular weight of polyglutamic acid is
5k~100kDa.
The glyphosate includes N- (phosphonomethyl) glycine and its organic salt or inorganic salt derivative, such as glyphosate
Amine salt, glyphosate potassium, glyphosate isopropyl amine salt etc..
Polyglutamic acid (γ-poly-glutamic acid, abbreviation γ-PGA) is that a kind of water solubility is strong, biodegradable,
It is nontoxic, the general boiomacromolecule as made from the method for microbial fermentation in production.At present it has been found that by polyglutamic acid
Fertilizer nutrient loss can be reduced by being added in compound fertilizer, improve utilization rate of fertilizer, coordinate plant growth.And rice, wheat,
Significant application effect is all had on the plants such as corn, vegetables, fruit tree, flowers.
With the active amino etc. on glyphosate molecule condensation reaction can occur for the pendant carboxylic group on polyglutamic acid molecule, this
Allow glyphosate to be easier to be attached to the surface of weeds by the tackness of polyglutamic acid, and is being transported by polyglutamic acid
Effect enters weeds cell interior, to play the effect of enhancing drug effect.
Specifically, the auxiliary material includes one or more of filler, dispersing agent, emulsifier, wetting agent, solvent.
Preferably, the filler include bentonite, kaolin, aluminium-magnesium silicate, starch sulfate, sodium sulphate, xanthan gum,
The combination of one or more of polyvinyl acetate resin.
The dispersing agent includes ethyl alcohol, alkylnaphthalene sulfonate formaldehyde condensation products, sodium lignosulphonate, naphthalene sulfonate, white
The combination of one or more of carbon black and polymeric carboxylic salt.
The emulsifier includes alkanolamide sodium sulfonate of ethoxylated, phenethyl phenol polyethenoxy ether phosphate, nonyl
The combination of one or more of base phenol polyethenoxy ether, Nongru-700 # and agriculture breast 2201.
The wetting agent includes alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, alkylphenol-polyethenoxy base
Ether, calcium dodecyl benzene sulfonate, alkylbenzene sulfonate, alkyl sulfate and to one in methoxyl group fatty acid amido benzene sulfonate
Kind or several combinations；
The solvent includes water, dimethylbenzene, the combination of one or more of solvent naphtha and toluene.
The auxiliary material, main function are to assist herbicidal composition of the present invention that different answer is made
With dosage form, including microemulsion, aqueous emulsion, suspending agent, wettable powder or water dispersible granules.Therefore, auxiliary material of the present invention is not
It is only limited to mentioned kind, without departing from the inventive concept, other complementary ingredients and grass of the present invention are sweet
The bactericidal composition of phosphine and polyglutamic acid composition, is also included within the scope of the present invention.
Synergistic type glyphosate herbicidal of the present invention can be processed according to methods well known to those skilled in the art is configured to agriculture
Any one dosage form allowed on medicine, including but not limited to wettable powder, water dispersible granules, soluble powder, soluble grain
Agent, aqua, aqueous emulsion, microemulsion etc..
Synergistic type glyphosate herbicidal of the present invention is mainly used for the anti-of 1 year and perennial weeds in agricultural or forest land
It removes.
The utility model has the advantages that
1, strong drug action: Synergistic type glyphosate herbicidal composition obtained by the present invention, because of its active constituent polyglutamic acid
Condensation reaction occurs for the amino etc. on carboxyl and glyphosate molecule on molecule, and glyphosate enters inside weeds plant except itself
It can also be acted on by polyglutamic acid transhipment present in plant outside mode, enter weeds cell interior, increase herbicide
Drug effect.
2, dosage is small: Synergistic type glyphosate herbicidal composition obtained by the present invention, because of its active constituent polyglutamic acid
And condensation reaction can occur for existing active group on glyphosate molecule, glyphosate is combined together with polyglutamic acid, is borrowed
Helping the powerful tackness of polyglutamic acid, glyphosate can preferably be adhered to the surface of weeds, and the waste of glyphosate is smaller, compared with
The lesser dosage of traditional glyphosate herbicidal can reach same herbicidal effect.
3, lasting medicine: Synergistic type glyphosate herbicidal composition obtained by the present invention, because of polyglutamic acid and glyphosate
Intermolecular condensation reaction occurred, glyphosate are preferably adhered to the surface of weeds by the tackness of polyglutamic acid, difficult
To be taken away the surface of weeds by other factors, can enduringly play a role on weeds surface.
4, broad weed-killing spectrum: the present invention obtained by Synergistic type glyphosate herbicidal composition, glyphosate by with polyglutamic
The powerful tackness of condensation reaction and polyglutamic acid itself that acid is occurred, can be on various types of weeds preferably
Adhere to and plays its effect.Thus for more traditional glyphosate herbicidal, glyphosate herbicidal combination manufactured by the present invention
Object has preferable preventive effect to further types of weeds.
5, small to Soil Environmental Pollution: Synergistic type glyphosate herbicidal composition obtained by the present invention, because of polyglutamic acid
And the intermolecular reaction occurred of glyphosate, glyphosate can play a role to persistent high efficiency with polyglutamic acid, the benefit of glyphosate
It is improved with rate, polyglutamic acid no pollution to the environment itself, therefore be able to enter the herbicidal composition of soil environment
Amount is few, is correspondingly also reduced to the pollution of soil environment.
Specific embodiment
According to following embodiments, the present invention may be better understood.
Embodiment 1: polyglutamic acid-glyphosate water dispersible granules production
Percentage composition by weight: polyglutamic acid 2.5%, glyphosate 42.5%, alkanolamide sodium sulfonate of ethoxylated
8%, alkylbenzene sulfonate 6%, surplus is bentonite.
The above components in certain proportion is mixed, airslide disintegrating mill is added and is crushed, granularity is added a certain amount of up to 300 mesh
The water dispersible granules of 45% composition are made after Drying and cooling for water mixing extrusion granulation.
Embodiment 2: polyglutamic acid-soluble glyphosate pulvis production
Percentage composition by weight: polyglutamic acid 5%, glyphosate 50%, calcium dodecyl benzene sulfonate 0.5%, ethyl alcohol 4%,
Alkyl phenol polyoxyethylene ether 0.5%, sodium lignin sulfonate 4%, alkanolamide sodium sulfonate of ethoxylated 2%, starch sulfate
8%, surplus is sodium sulphate.
By ethyl alcohol, calcium dodecyl benzene sulfonate, alkyl phenol polyoxyethylene ether stirring and dissolving, then by glyphosate, polyglutamic
Acid, sodium lignin sulfonate, alkanolamide sodium sulfonate of ethoxylated, sodium sulphate are added in batch mixer and mix, by mixed object
Material is added in airslide disintegrating mill and crushes, and granularity is 300 mesh.Liquid phase is added in solid phase afterwards and mixes certain time, forms premix.
Starch sulfate is uniformly mixed with water by weight 2:3, is gelatinized at 80 DEG C.By the sulfuric ester after premix and gelatinization
Starch, which is added in Squeezinggranulator, is made soluble granula, and 55% polyglutamic acid-soluble glyphosate is made after drying, cooling
Pulvis.
Embodiment 3: polyglutamic acid-glyphosate aqueous emulsion production
Percentage composition by weight: polyglutamic acid 3%, glyphosate 27%, calcium dodecyl benzene sulfonate 4%, ethyl alcohol 8%, first
Benzene 8%, alkyl naphthalene formaldehyde condensate sulfonate 5%, water complements to 100%.
Polyglutamic acid and glyphosate etc. are uniformly mixed by formula rate, sequentially add calcium dodecyl benzene sulfonate, ethyl alcohol,
Toluene is uniformly mixed again after alkylnaphthalene sulfonate formaldehyde condensation products and water, and 30% polyglutamic acid-glyphosate aqueous emulsion is made.
Embodiment 4: polyglutamic acid-glyphosate microcapsule suspending agent production
Percentage composition by weight: polyglutamic acid 2.5%, glyphosate 30%, sodium lignosulphonate 4%, polyvinyl acetate tree
Rouge 8%, agriculture breast 2,201 10%, xanthan gum 2%, white carbon black 1%, water complements to 100%.
Polyglutamic acid and glyphosate etc. are mixed to form oily phase in proportion, then water, sodium lignosulphonate etc. are mixed in proportion
Conjunction forms water phase；Hereafter, water phase is added in polyvinyl acetate resin simultaneously under conditions of high-speed stirred, solidifies encystation, adds
Enter sodium lignosulphonate, xanthan gum, white carbon black, stir evenly, microcapsule suspending agent is made.
Embodiment 5: the composition pesticide containing polyglutamic acid and glyphosate tests the biocidal properties of weeds
By in the lab to cultured 1 year and perennial weeds application on the market containing the herbicide of glyphosate
And the Synergistic type glyphosate herbicidal of embodiment 1-4 preparation, it is compared to the biocidal properties of weeds and when killing latter section
Weeds regeneration rate in interior corresponding environment is measured, and concrete outcome is as shown in table 1.
As can be seen from the table, Synergistic type glyphosate herbicidal composition prepared in embodiment 1-4 is more normal
For herbicide containing glyphosate, weeding ability is greatly enhanced.And long-acting weeding effect is reached within a certain period of time
The regeneration rate of fruit, weeds is obviously low compared with control group.
1 test result of table
Attached: control 1-3 is the commercially available Common Herbicides containing glyphosate；The herbicide dosage of each experimental group is consistent.
Embodiment 6: the composition pesticide field trial I containing polyglutamic acid and glyphosate
The weeding ability containing polyglutamic acid and the composition pesticide of glyphosate is determined in the lab, later
The weeding ability of the composition pesticide is tested in the experimental field of certain company again, concrete outcome is as shown in table 2.
2 test result of table
Attached: control 1-3 is the commercially available Common Herbicides containing glyphosate；The herbicide dosage of each experimental group is consistent.
It is anti-in weeds to can be seen that Synergistic type glyphosate herbicidal composition obtained by the present invention from field experiment result
Except aspect significant effect, the weeds eradicative rate of the corresponding experimental group of each embodiment is above 85%, and the weeds in embodiment 1-2 are gone out
Rate is killed 90% or more.For control group 1-3, weeds eradicative rate is significantly improved, and total grass preventive effect has also obtained bright
Aobvious promotion.The experimental result of embodiment 5-6 shows that Synergistic type glyphosate herbicidal composition has in terms of control of weeds
Significant effect.
Embodiment 7: the composition pesticide field trial II containing polyglutamic acid and glyphosate
By the field experiment of embodiment 6, the herbicidal effect of Synergistic type glyphosate herbicidal composition is examined.
Field experiment is carried out to Synergistic type glyphosate herbicidal composition again later, is removed by applying different amounts of Synergistic type glyphosate
The herbicidal effect of product obtained by the present invention is examined in careless agent.Concrete outcome is as shown in table 3.
3 test result of table
Attached: control 1-3 is the commercially available Common Herbicides containing glyphosate.
From the point of view of the data result of field experiment, applies Synergistic type glyphosate obtained by the embodiment 1-4 of same amount and remove
In the weed control efficacy achieved of the herbicide containing glyphosate and embodiment 6 of careless agent composition and commercially available control 1-3
Result it is almost the same.
Synergistic type glyphosate herbicidal composition obtained by the embodiment 1-4 of 300g.a.i/ha is applied relatively to apply
The weed control efficacy achieved of the herbicide containing glyphosate of the commercially available control 1-3 of 500g.a.i/ha is higher, it is seen that the present invention
The small feature of obtained Synergistic type glyphosate herbicidal composition dosage is more prominent.
Embodiment 8: the composition pesticide field trial III containing polyglutamic acid and glyphosate
For the persistence for investigating drug effect of the present invention, the present embodiment for controlling object, is examined with gramineae weed (herba setariae viridis grass)
Examine preventive effect in different time periods after application, 2 processing of experimental design, by the amount of application of 100g.a.i/ha, after dilution 1000 times
It sprays:
Processing 1: the microcapsule suspending agent prepared according to embodiment 4
Processing 2: the microcapsule suspending agent without polyglutamic acid prepared according to embodiment 4
The efficacy time of 4 different disposal of table compares
As shown in Table 4, polyglutamic acid significantly improves the efficacy time of glyphosate, after application 28 days, is free of polyglutamic
2 preventive effect of processing of acid starts to reduce, and after 42 days, compared with the present invention, preventive effect reduces 24.4%.This mainly because of polyglutamic acid and
The intermolecular condensation reaction occurred of glyphosate, glyphosate are preferably adhered to weeds by the tackness of polyglutamic acid
Surface, it is difficult to be taken away the surface of weeds by other factors, can enduringly play a role on weeds surface.
The present invention provides the thinkings and method of a kind of Synergistic type glyphosate herbicidal, implement the side of the technical solution
There are many method and approach, the above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (10)
1. a kind of Synergistic type glyphosate herbicidal, which is characterized in that it is made of component as follows by mass percentage:
Glyphosate 10%~50%；
Polyglutamic acid 0.05%~5%；
Surplus is auxiliary material.
2. Synergistic type glyphosate herbicidal according to claim 1, which is characterized in that the polyglutamic acid is poly- for γ-
Glutamic acid sterling, gamma-polyglutamic acid salt sterling, gamma-polyglutamic acid fermentation liquid or gamma-polyglutamic acid fermented liquid spray drying pulvis
In any one or the combination of several of them；Wherein, the molecular weight of polyglutamic acid is 5k~100kDa.
3. Synergistic type glyphosate herbicidal according to claim 1, which is characterized in that the glyphosate includes N- (phosphine
Acid methyl) glycine and its organic salt or inorganic salt derivative.
4. Synergistic type glyphosate herbicidal according to claim 1, which is characterized in that the auxiliary material includes filler, divides
One or more of powder, emulsifier, wetting agent, solvent.
5. Synergistic type glyphosate herbicidal according to claim 4, which is characterized in that the filler include bentonite,
The combination of one or more of kaolin, aluminium-magnesium silicate, starch sulfate, sodium sulphate, xanthan gum, polyvinyl acetate resin.
6. Synergistic type glyphosate herbicidal according to claim 4, which is characterized in that the dispersing agent include ethyl alcohol,
One of alkylnaphthalene sulfonate formaldehyde condensation products, sodium lignosulphonate, naphthalene sulfonate, white carbon black and polymeric carboxylic salt are several
The combination of kind.
7. Synergistic type glyphosate herbicidal according to claim 4, which is characterized in that the emulsifier includes alkanol acyl
Amine sodium sulfonate of ethoxylated, phenethyl phenol polyethenoxy ether phosphate, nonylphenol polyoxyethylene ether, Nongru-700 # and agriculture breast
One or more of 2201 combination.
8. Synergistic type glyphosate herbicidal according to claim 4, which is characterized in that the wetting agent includes alkyl phenol
Polyoxyethylene ether formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether, calcium dodecyl benzene sulfonate, alkyl benzene sulphonate
Salt, alkyl sulfate and the combination to one or more of methoxyl group fatty acid amido benzene sulfonate.
9. Synergistic type glyphosate herbicidal according to claim 4, which is characterized in that the solvent includes water, diformazan
The combination of one or more of benzene, solvent naphtha and toluene.
10. Synergistic type glyphosate herbicidal according to claim 1, which is characterized in that different applications can be made in it
Dosage form, including appointing in wettable powder, water dispersible granules, soluble powder, soluble granula, aqua, aqueous emulsion, microemulsion
It anticipates one kind.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910592566.0A CN110214789A (en) | 2019-07-03 | 2019-07-03 | A kind of Synergistic type glyphosate herbicidal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910592566.0A CN110214789A (en) | 2019-07-03 | 2019-07-03 | A kind of Synergistic type glyphosate herbicidal |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773143A (en) * | 2010-02-18 | 2010-07-14 | 浙江新安化工集团股份有限公司 | Compounded weed killer of glyphosate and glufosinate |
| CN101779665A (en) * | 2009-11-25 | 2010-07-21 | 深圳诺普信农化股份有限公司 | Synergistic complex of amino acid polymer and glyphosate |
-
2019
- 2019-07-03 CN CN201910592566.0A patent/CN110214789A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779665A (en) * | 2009-11-25 | 2010-07-21 | 深圳诺普信农化股份有限公司 | Synergistic complex of amino acid polymer and glyphosate |
| CN101773143A (en) * | 2010-02-18 | 2010-07-14 | 浙江新安化工集团股份有限公司 | Compounded weed killer of glyphosate and glufosinate |
Non-Patent Citations (5)
| Title |
|---|
| 刘乾开等: "《新编农药使用手册》", 31 October 1993, 上海科学技术出版社 * |
| 张文等: "γ-聚谷氨酸的微生物合成及其在农业生产中的应用", 《中国农学通报》 * |
| 无: "聚谷氨酸的微生物法制备及其应用研究", 《无》 * |
| 贾玉萍等: "γ-聚谷氨酸的研究及应用进展", 《鲁东大学学报（自然科学版）》 * |
| 陈树文等: "《农田杂草识别与防除新技术》", 31 December 2007, 中国农业出版社 * |
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