CN106665630A - Weed control composition for corn fields - Google Patents
Weed control composition for corn fields Download PDFInfo
- Publication number
- CN106665630A CN106665630A CN201611134959.XA CN201611134959A CN106665630A CN 106665630 A CN106665630 A CN 106665630A CN 201611134959 A CN201611134959 A CN 201611134959A CN 106665630 A CN106665630 A CN 106665630A
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- China
- Prior art keywords
- methyl
- bensulfuron
- weight
- benzene pyrazoles
- isoxaflutole
- 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.)
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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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 weed control composition for corn fields. The weed control composition is composed of three active components: topramezone, bensulfuron methyl and isoxaflutole, and comprises common assistants; the ratio of the topramezone to bensulfuron methyl to isoxaflutole in parts by weight is (1-50):(1-50):(1-100); and the percentage by weight of the sum of weight of the active components in the weed control composition is 1%-80%. The weed control composition disclosed by the invention has an obvious synergetic effect, the volumes of the active components in the compound agent are significantly reduced as compared with exclusive use, and the weed control composition is applicable to weeds in corn fields and is suitably applied by adopting uniform mist spray.
Description
Technical field
Compound pesticide combination application technology according to the present invention, compositionss are by benzene pyrazoles oxadiazon, bensulfuron-methyl He Yi Evil
Three kinds of effective ingredient compositions of azoles humulone, compositionss have notable potentiation, it is adaptable to which agricultural weed is prevented and treated, especially corn field
Weed control.
Background technology
Chemical method weeding is agriculturally to control one of Main Means of weeds.Grass when weeds occur is mutually complicated, not only
The mixed life of annual and perennial weeds, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, low age, height
Age weeds staggeredly occur, so when herbicide kind is used alone, can show defect in a certain respect and limitation.Use
Single herbicide kind, is easily caused weeds and develops immunity to drugs, be unfavorable for agricultural production.
Topramezone is benzene methyl pyrazolone herbicide, is p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme (4-HPPD) suppression
Preparation, is used in after seedling grassy weed cauline leaf process in corn field.
Bensulfuron-methyl is sulfonylurea herbicide, hinders branched-chain amino acid biosynthesiss, is used in broad-leaved in corn field miscellaneous
Careless cauline leaf process.
Isoxaflutole, is p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme (HPPD) inhibitor, is used in corn field miscellaneous
Careless before seedling soil treatment.
During the single use of benzene pyrazoles oxadiazon, bensulfuron-methyl and isoxaflutole, there are certain defect and limitation.
The present inventor to benzene pyrazoles oxadiazon, bensulfuron-methyl He the mixture of isoxaflutole has made intensive studies, a large amount of
Formula indoor screening test and field medicine effect test on the basis of, find benzene pyrazoles oxadiazon, bensulfuron-methyl is He isoxaflutole
Mixture is carried out, significant potentiation is shown to corn field weed in the range of certain mixed ratio, after further study,
Complete the present invention.
Benzene pyrazoles oxadiazon, bensulfuron-methyl He isoxaflutole ternary mixture and application there is no report at present.
The content of the invention
It is an object of the invention to solve that single compound using effect in prior art is poor and farmland weed produce it is anti-
Property of medicine problem, there is provided a kind of efficient, broad weed-killing spectrum, strong applicability, the compositionss for being conducive to farmland weed comprehensive control.
It is a further object of the present invention to provide the composition pesticide to be used to prevent and kill off farmland weed, it is particularly useful for preventing and kill off Semen Maydiss
Weeds.
Technical solution of the present invention：A kind of cornfield weeding composition, effective ingredient is by benzene pyrazoles oxadiazon, bensulfuron-methyl and different
Three kinds of compositions of oxazole oxadiazon, benzene pyrazoles oxadiazon, bensulfuron-methyl, isoxaflutoles three ratio of weight and number difference in the composition
For 1~50：1~50：1~100；Percentage by weight of the effective ingredient weight summation in Herbicidal combinations is 1%-80%.
Further, benzene pyrazoles oxadiazon, bensulfuron-methyl, isoxaflutoles three ratio of weight and number in the composition are respectively
1~20:1~20:1~50.
Further, benzene pyrazoles oxadiazon, bensulfuron-methyl, isoxaflutoles three ratio of weight and number in the composition are respectively
1~10:1~10:1~20.
Further, benzene pyrazoles oxadiazon, bensulfuron-methyl, isoxaflutoles three ratio of weight and number in the composition are respectively
1:1:3。
Herbicidal combinations of the present invention, benzene pyrazoles oxadiazon account for composition total weight 1%~30%, and it is total that bensulfuron-methyl accounts for compositionss
0.1%~20% , isoxaflutoles of weight account for composition total weight 1%~50%, and remaining is auxiliary agent.
Herbicidal combinations of the present invention, are prepared into any one dosage form for being adapted to agriculturally use with known method, comprising
Suspending agent, dispersible oil-suspending agent or water dispersible granules.
Auxiliary agent used in the present composition includes solvent, dispersant, stabilizer, emulsifying agent, antifreezing agent, thickening agent etc.
And other are beneficial to effective ingredient known substance that is stable and playing drug effect in the formulation, are all conventional or permissions in pesticidal preparations
The various composition for using, is not particularly limited, and concrete composition and consumption are determined by simple test according to recipe requirements.
Described auxiliary agent includes solvent, can be solvent naphtha S-200, trimethylbenzene, durene, methyl naphthalene, methyl oleate, fat
Fatty acid methyl esters, loose base oil, soybean oil, biodiesel, sec-Butyl Acetate, dimethyl carbonate, diesel oil, white oil, machine oil, butyl ether, second
One or more in acetoacetic ester, propanol, butanol, Ketohexamethylene, trimethyl cyclic ethylene ketone etc..
Described auxiliary agent includes emulsifying agent, can be calcium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether, three phenethyls
Phenol polyoxyethylene polyoxypropylene block polymer, dibenzyl xenyl polyoxyethylene ether, phenethyl phenol polyethenoxy ether, Semen Ricini
Oily polyoxyethylene ether, phenethyl phenol formaldehyde resin polyoxyethylene ether, phenethyl phenol polyoxyethylene polyoxypropylene ether, alkylaryl
Polyoxyethylene polyoxypropylene ether, phenethyl phenol formaldehyde resin polyoxyethylene ether, Sorbitan fatty acid ester, Sorbitan alcohol ester
Fat acid ester polyoxyethylene ether, natural fatty alcohol and ethylene oxide adduct, fatty acid and ethylene oxide condensate, Polyethylene oxide fat
One or more in fat acid esters etc..
Described auxiliary agent includes wetting agent, can be methyl naphthalene sulfonate formaldehyde condensate, sodium butylnaphthalenesulfonate, dodecane
Base sodium sulfate, aliphatic alcohol polyethenoxy (6-7) ether, aerosol-OT salt, Morwet EFW, Laurel alcohol radical sulphuric acid
One or more in sodium, alkylsulfonate etc..
Described auxiliary agent includes disintegrating agent, can be citric acid, succinic acid, compound sodium nitrophenolate, sodium bicarbonate, magnesium chloride, chlorine
Change one or more in aluminum, Sodium Chloride, carbamide, ammonium sulfate, bentonite etc..
Described auxiliary agent includes dispersant, can be polycarboxylate, the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, sulfomethylated lignin
Sour sodium, calcium lignosulfonate, to methoxyl group fatty acyl anilinesulfonic acid, desaccharide and be classified sodium lignin sulfonate, LOMAR PWA EINECS 246-676-2 contracting
In compound sodium salt, alkyl naphthalene sulfonic acid condensation polymer sodium salt, APES formaldehyde condensation product sulphuric acid, alkylnaphthalene sulfonate etc.
One or more.
Described auxiliary agent includes thickening agent, can be xanthan gum, aluminium-magnesium silicate, bentonite, white carbon, hydroxylmethyl cellulose
One or more in element, methylcellulose, polyvinyl alcohol etc..
Described auxiliary agent includes pH adjusting agent, can be ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, lemon
One or more in lemon acid, phosphoric acid etc..
Described auxiliary agent includes stabilizer, can be that dibutyl phthalate, hexamethylene diisocyanate, epoxy are big
In Oleum Glycines, epoxychloropropane, Butylated hydroxyanisole, dibenzylatiooluene, propylgallate, tert-butylhydroquinone etc.
One or more.
Described auxiliary agent include defoamer, can be polyureas, metallic soap of stearic acid, silicone compound, methanol, silicone oil,
One or more in azone etc..
Described auxiliary agent includes antifreezing agent, can be glycerol, carbamide, glycerol, ethylene glycol, Propylene Glycol, Sorbitol, poly- second
In glycol etc. one or more.
Described auxiliary agent includes carrier, can be Kaolin, kieselguhr, bentonite, white carbon, precipitated calcium carbonate, concavo-convex
One or more in rod soil, clay, Pulvis Talci, quartz sand, starch, APG, carbamide, potassium chloride, ammonium chloride etc..
Product described in the invention can be provided in the form of finished product preparation, i.e., in compositionss, each material is blended, group
The composition of compound can also the form of single dose provide, directly mixed in tank or bucket using front, it is dense required for being then diluted to
Degree.The frequency of administration and amount of application of the present composition changes with weather condition and crop condition and changes, can be by using
Appropriate dosage form reaches the purpose of preventing and treating.
The present composition is applied to the annual broad-leaved of preventing and treating corn field and part grassy weed.
Compared with prior art, the beneficial effects of the present invention is：
1st, with notable potentiation, improve single using effect；
2nd, preventing and treating spectrum is expanded, to various different types of weeds excellents；
3rd, single using dosage is reduced, reduces the impact of use cost and compound to environment；
4th, different mechanism of action mixtures are used, and effectively delay weeds to produce compound resistance, favourable long-term weed control.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention are more short and sweet, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.Described below is only the present invention preferably embodiment, is used only for retouching
State the present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that it is all the spirit and principles in the present invention it
Interior done any modification, equivalent and improvement etc., should be included within the scope of the present invention.Therefore, the present invention
The protection domain of patent should be defined by claims.
Embodiment 1：Synergy is determined
Using potted plant stem and leaf nebulization (NY/T 1155.4-2006)：In high 6cm, the built-in quantitative soil of porcelain alms bowl of diameter 9cm,
Warm indoor cultivation will be placed on after the fine earth of 0.5~1cm of lid, horse is treated for trying 15~20 sowings of target weeds seed in porcelain alms bowl
Tang head carries out stem and leaf spraying treatment to 2~4 leaf phases, quantitatively sprays 1ml per porcelain alms bowl, often processes 4 repetitions, and sets without medicament
Control is processed as, material is tried after process and is placed in warm indoor cultivation, the growing state of routine observation target weeds estimates target after 20d
Damage symptoms and growth inhibited situation, and claim aerial partss fresh weight, medicament is evaluated to target weeds with target fresh weight inhibition
Toxicity action.
Target damage symptoms and growth inhibited situation are estimated after data survey and statistical analysiss test process 15d, and claims ground
Upper part fresh weight, calculates fresh weight inhibition (%).
Herbicide associated form (NY/T 1155.7-2006) is evaluated according to Colby methods, its formula is as follows：
In formula：
A is fresh weight inhibition of the benzene pyrazoles oxadiazon with certain dosage when alone to target weeds；
B is fresh weight inhibition of the bensulfuron-methyl with certain dosage when alone to target weeds；
Fresh weight inhibition of the C Wei isoxaflutoles with certain dosage when alone to target weeds；
Herbicide kind numbers of the n for mixture；
E0For benzene pyrazoles oxadiazon, bensulfuron-methyl He three kinds of pharmacy mix of isoxaflutole when to target weeds fresh weight inhibition
Theoretical value；
To target weeds fresh weight inhibition when E is benzene pyrazoles oxadiazon, bensulfuron-methyl He three kinds of pharmacy mix of isoxaflutole
For the measured value of control.
Evaluation criterion：Work as E0During ﹣ E ＞ 10%, synergistic function is expressed as；As 10%≤E of ﹣0During ﹣ E≤10%, performance
To cooperate with summation action；Work as E0During ﹣ E ＜ ﹣ 10%, joint action of antagonism is shown as.
Can be illustrated by table 1, table 2, benzene pyrazoles oxadiazon of the present invention, bensulfuron-methyl and isoxaflutole are combined to weeds E0-E
Value is all higher than 10%, illustrates that the present invention is acted on significant synergy.
The table 1, present composition is to Herba Digitariae synergy measurement result
The table 2, present composition is to grayish green multitude's synergy measurement result
Embodiment 2：Preparation method embodiment
(1) 30% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole dispersibles oil-suspending agent.
Following material is weight ratio：Benzene pyrazoles oxadiazon 6%；Bensulfuron-methyl 6%；Isoxaflutole 18%；Sulfosuccinate
Dioctyl phthalate sodium salt 6%；Polyoxyethylene fatty acid ester 4%；Alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%；Morwet EFW 7%；In vain
White carbon black 3%；Xanthan gum 3%；Oleum Arachidis hypogaeae semen 10%；Methyl oleate surplus.
Operating procedure is：By above-mentioned material mix homogeneously, clipped dispersion 20~30 minutes, sand mill sand milling 2~3 is little
When, you can 30% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole is obtained and dispersibles oil-suspending agent.
Can be illustrated by table 3, medicament of the present invention is watered spraying treatment, and to prevent and kill off corn field 2-3 leaf phase weeds effects excellent
Show, benzene pyrazoles oxadiazon, bensulfuron-methyl He isoxaflutole three are applied in combination effect and are substantially better than single use and the two combination
Use, improve using effect, expand weed control spectrum, reduce single consumption.
Table 3,30% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole dispersible oil-suspending agent for preventing and kill off corn field
Weeds effect
(2) 40% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole suspending agents.
Following material is weight ratio：Benzene pyrazoles oxadiazon 8%；Bensulfuron-methyl 2%；Isoxaflutole 30%；SOPA-270
6%；Alkyl naphthalene sulfonic acid condensation polymer sodium salt 3%；Xanthan gum 1%；Organosilicon 2%；Epoxychloropropane 2%；Carbamide 2%；Ethylene glycol
1.5%；Deionized water complements to 100%.
Operating procedure is：Above-mentioned formula is crushed in proportion in advance, is ground in adding sand mill, Jing high shears are mixed
Allocate after conjunction and 40% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole suspending agent is obtained.
Can be illustrated by table 4, medicament of the present invention is watered spraying treatment, and to prevent and kill off corn field 2-3 leaf phase weeds effects excellent
Show, benzene pyrazoles oxadiazon, bensulfuron-methyl He isoxaflutole three are applied in combination effect and are substantially better than single use and the two combination
Use, improve using effect, expand weed control spectrum, reduce single consumption.
Table 4,40% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole suspending agent are used for Control Weeds in Maize Field effect
(3) 60% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole water-dispersible granules.
Following material is weight ratio：Benzene pyrazoles oxadiazon 4%；Bensulfuron-methyl 20%；Isoxaflutole 36%；Dodecyl
Sodium sulfate 10%；Naphthalene sulfonic acid condensate sodium salt 4%；Alkyl naphthalene sulfonic acid condensation polymer sodium salt 3%；Sodium butylnaphthalenesulfonate 4%；Semen Maydiss form sediment
Powder 3%；Carbamide 3%；Polycarboxylate 5%；Potassium sorbate 0.5%；Kaolin complements to 100%.
Operating procedure is：By above-mentioned formula, dry pulverization process, pelletize, drying, screening prepare prepared 60% benzene pyrazoles in proportion
Oxadiazon bensulfuron-methyl isoxaflutole water-dispersible granules.
Can be illustrated by table 5, medicament of the present invention is watered spraying treatment, and to prevent and kill off corn field 2-3 leaf phase weeds effects excellent
Show, benzene pyrazoles oxadiazon, bensulfuron-methyl He isoxaflutole three are applied in combination effect and are substantially better than single use and the two combination
Use, improve using effect, expand weed control spectrum, reduce single consumption.
Table 5,60% benzene pyrazoles oxadiazon bensulfuron-methyl isoxaflutole water-dispersible granules are miscellaneous for preventing and kill off corn field
Careless effect
Claims (10)
1. a kind of cornfield weeding composition, it is characterised in that：Effective ingredient is by benzene pyrazoles oxadiazon, bensulfuron-methyl He isoxazole is careless
Three kinds of ketone composition, benzene pyrazoles oxadiazon, bensulfuron-methyl, isoxaflutoles three ratio of weight and number in the composition be respectively 1~
50：1~50：1~100；Percentage by weight of the effective ingredient weight summation in Herbicidal combinations is 1%-80%.
2. a kind of cornfield weeding composition according to claim 1, it is characterised in that：Benzene pyrazoles oxadiazon, bensulfuron-methyl,
Isoxaflutole three ratio of weight and number in the composition is respectively 1~20:1~20:1~50.
3. a kind of cornfield weeding composition according to claim 1, it is characterised in that：Benzene pyrazoles oxadiazon, bensulfuron-methyl,
Isoxaflutole three ratio of weight and number in the composition is respectively 1~10:1~10:1~20.
4. a kind of cornfield weeding composition according to claim 1, it is characterised in that：Benzene pyrazoles oxadiazon, bensulfuron-methyl,
Isoxaflutole three ratio of weight and number in the composition is respectively 1:1:3.
5. a kind of cornfield weeding composition according to claim 1, it is characterised in that：Benzene pyrazoles oxadiazon, bensulfuron-methyl
Percentage by weight of the weight summation of He isoxaflutole threes in Herbicidal combinations is 1%~80%, and remaining is auxiliary agent.
6. a kind of cornfield weeding composition according to claim 1, it is characterised in that：It is total that benzene pyrazoles oxadiazon accounts for compositionss
Weight 1%~30%, bensulfuron-methyl account for 0.1%~20% , isoxaflutoles of composition total weight account for composition total weight 1%~
50%, remaining is auxiliary agent.
7. a kind of cornfield weeding composition according to claim 1, it is characterised in that：It is total that benzene pyrazoles oxadiazon accounts for compositionss
Weight 2%~10%, bensulfuron-methyl account for 2%~10% , isoxaflutoles of composition total weight account for composition total weight 5%~
30%, remaining is auxiliary agent.
8. a kind of cornfield weeding composition according to claim 1, it is characterised in that：Herbicidal combinations can make agriculture
The formulations of pesticide used in industry, comprising suspending agent, dispersible oil-suspending agent, water dispersible granules.
9. a kind of cornfield weeding composition according to claim 1, including 30% benzene pyrazoles oxadiazon bensulfuron-methyl
Isoxaflutole dispersibles oil-suspending agent, it is characterised in that：Benzene pyrazoles oxadiazon 6%, 6%, isoxaflutoles 18% of bensulfuron-methyl,
Aerosol-OT salt 6%, polyoxyethylene fatty acid ester 4%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, Morwet
EFW7%, white carbon 3%, xanthan gum 3%, Oleum Arachidis hypogaeae semen 10%, methyl oleate surplus.
10. application of a kind of cornfield weeding composition described in claim 1 in agricultural weed preventing and treating, the agricultural weed
Comprising corn field weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134959.XA CN106665630A (en) | 2016-12-11 | 2016-12-11 | Weed control composition for corn fields |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134959.XA CN106665630A (en) | 2016-12-11 | 2016-12-11 | Weed control composition for corn fields |
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| Publication Number | Publication Date |
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| CN106665630A true CN106665630A (en) | 2017-05-17 |
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ID=58868789
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795560A (en) * | 2007-05-21 | 2010-08-04 | 辛根塔有限公司 | Herbicide compositions |
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2016
- 2016-12-11 CN CN201611134959.XA patent/CN106665630A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795560A (en) * | 2007-05-21 | 2010-08-04 | 辛根塔有限公司 | Herbicide compositions |
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