CN104672083A - Cornfield herbicide compound and application thereof - Google Patents
Cornfield herbicide compound and application thereof Download PDFInfo
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- CN104672083A CN104672083A CN201510016306.0A CN201510016306A CN104672083A CN 104672083 A CN104672083 A CN 104672083A CN 201510016306 A CN201510016306 A CN 201510016306A CN 104672083 A CN104672083 A CN 104672083A
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- immunomodulator compounds
- ion
- cornfield
- cornfield weeding
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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
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives 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
- 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
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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 cornfield herbicide compound and an application thereof, belonging to the field of pesticides. The invention aims at solving the problem that the cornfield herbicide compound is low in corn safety in the prior art. The cornfield herbicide compound disclosed by the invention refers to 2,4-dichlorophenoxy butyric acid and derivatives thereof. The cornfield herbicide compound disclosed by the invention is wide in herbicide controlling spectrum, fast in effectiveness, long in lasting period and high in herbicidal activity and is critically safe to corns.
Description
Technical field
The present invention relates to technical field of pesticide, particularly a kind of cornfield weeding immunomodulator compounds and uses thereof.
Background technology
Corn is one of world's staple food crop, produces throughout each continent except the South Pole.The food crop that China's corn is also main, China's maize sown area accounts for 1/6 of plant of grain crops area, and area is at about 300,000,000 mu.
Corn field weed kind is many, and according to statistics, the kind that can form Weed infestation has kind more than 200, wherein, the most generally, harm the most serious kind have kind more than 20.Main weeds have barnyard grass, Herba Eleusines Indicae, lady's-grass, Herba Setariae Viridis, field thistle, Herba Acalyphae, Amaranthus retroflexus, purslane, Rhizoma Cyperi etc.
Current corn field herbicide is mainly divided into herbicide before seedling stage as acetochlor, Butachlor technical 92, metolachlor etc.; Corn field herbicide after seedling is seldom selectable, mainly based on the sulfonylurea herbicide of nicosulfuron, rimsulfuron etc.; HPPD inhibitor weedicide based on mesotrione; Atrazine, fluroxypyr, methoxone, 2 in addition, 4-D butyl esters etc. use also very extensive, main control broadleaf weeds, but the weedicide of control broadleaf weeds is all very low to the security of corn at present, directed spraying substantially during use, and along with a large amount of uses of above-mentioned weedicide, Weed Resistance problem is more and more serious, particularly the nutgrass flatsedge such as broadleaf weeds and Rhizoma Cyperi such as field thistle, Herba seu Flos Convolvuli arvensis, Herba Acalyphae, Herba Commelinae has become the difficult controlling weeds of corn field.
Summary of the invention
For solving the problem that corn field herbicide is low to corn safety in prior art, the invention provides that a kind of herbicidal effect is good, instant effect, lasting period are long, broad weed-killing spectrum and the herbicidal compound good to corn safety.
The technical solution used in the present invention is:
A kind of cornfield weeding immunomodulator compounds, this compound is 2,4 dichloro benzene oxy butyrate and derivative thereof, and its general formula is:
Wherein, R is selected from hydrogen or saturated alkyl; M is selected from sodium ion, potassium ion, ammonium ion, dimethyl amine ion, Isopropylamine ion.
Preferably, in general formula, R is selected from hydrogen or methyl, ethyl, propyl group, butyl, 2-ethylhexyl.
Further, in general formula, R is selected from hydrogen or butyl, 2-ethylhexyl.
Preferably, M is selected from sodium ion, potassium ion, ammonium ion.
Preferably, described 2,4 dichloro benzene oxy butyrate and derivative thereof are the 1-99% of weedicide total mass.
Further, described 2,4 dichloro benzene oxy butyrate and derivative thereof are the 20-60% of weedicide total mass.
Preferably, the formulation of described weedicide be wettable powder, missible oil, water suspending agent, dispersible in oil-suspending agent, microemulsion, aqueous emulsion or water dispersible granules any one.
Described cornfield weeding immunomodulator compounds is preventing and kill off the application in field thistle, Herba seu Flos Convolvuli arvensis, Herba Acalyphae, piemarker, Siberian cocklebur, Herba Commelinae, meal bag grass and Rhizoma Cyperi.
Beneficial effect of the present invention is:
Corn field herbicide of the present invention, broad weed-killing spectrum, instant effect, the lasting period is long, and weeding activity is high, and very crucially it is safe to corn.
Embodiment
Cornfield weeding immunomodulator compounds of the present invention is known substance, can prepare by the method for bibliographical information.J.Am.Chem.Chem.Soc. (1947) is shown in concrete operations, 69,718-723.
The outward appearance of table 1 R and 2,4 dichloro benzene oxy butyrate and derivative thereof and physical property
The outward appearance of table 2 M and 2,4 dichloro benzene oxy butyrate and derivative thereof and physical property
The 2,4 dichloro benzene oxy butyrate of embodiment 1:20% dispersibles oil-suspending agent
Effective constituent: compound 1 20%
Dispersion agent: calcium dodecylbenzene sulphonate 11%
Wetting agent: castor oil polyoxyethylene ether 9%
Witconol 2301: surplus
The 2,4 dichloro benzene oxy butyrate sodium salt aqua of embodiment 2:32.6%
Effective constituent: compound 8 32.6%
Wetting agent: NNO 3%
Dispersion agent: polyoxyethylene nonylphenol ether 10%
Water: surplus
The 2,4 dichloro benzene oxy butyrate methyl esters wettable powder of embodiment 3:40%
Effective constituent: compound 2 40%
Wetting agent: sodium lauryl sulphate 11%
Dispersion agent: sodium lignosulfonate 9%
Kaolin surplus
The different monooctyl ester missible oil of 2,4 dichloro benzene oxy butyrate of embodiment 4:40%
Effective constituent: compound 6 40%
Emulsifying agent: calcium dodecylbenzene sulphonate 6%
Emulsifying agent: styryl Soxylat A 25-7 6%
Solvent oil surplus
The test of temperature indoor application:
According to farm-chemical indoor determination criterion (weedicide-cauline leaf spray method), weeds adopt pot-culture method to cultivate, and in controlled heliogreenhouse, temperature controls at about 20 DEG C.Relative humidity is at 62%-81%.Treat that weeds grow to 2-4 sheet leaf, test compound 1(2,4 Dichlorophenoxybutanoics) in consumption 20 days fresh weight preventive effect effects to Herba Acalyphae, nutgrass flatsedge under 225g.a.i/ha, 300g.a.i/ha, 375g.a.i/ha.Each process repetition 4 times, each process 3 basins.
Preventive effect calculates according to the following equation:
The warm indoor application test-results of table 3
In order to test the activity of this compound further, we have redesigned following test:
After the 2,4 dichloro benzene oxy butyrate (compound 1) of field test 1:20% dispersibles oil-suspending agent maize seedling, cauline leaf process is to the security of corn and weeding activity.
Test site is the Yi He village, Jinan City, Shandong Province, the corn 3-5 leaf phase, the weeds 2-3 leaf phase, test medicine be 20% 2,4 dichloro benzene oxy butyrate dispersible oil-suspending agent (compound 1).Test totally four process, each process three repetition, community random alignment, plot area 100m
2.Carry out cauline leaf process after seedling, after medicine, 15d and 30d observes the strain fresh weight preventive effect of each medicament respectively.Respondent is the sedge weeds such as the broadleaf weeds such as corn field field thistle, Herba seu Flos Convolvuli arvensis, Herba Acalyphae, piemarker in field, and Rhizoma Cyperi.Visual test medicament occurs with or without poisoning field corn.
Preventive effect calculates according to the following equation:
Table 4 field test 1 result
Passable as apparent from above-mentioned data, 2,4 dichloro benzene oxy butyrate 300 g.a.i/ha consumption to test in weeds seedling after cauline leaf process 30d preventive effect major part reach ideal effect, to Rhizoma Cyperi, Herba seu Flos Convolvuli arvensis successful; 2,4 dichloro benzene oxy butyrate 600g.a.i/ha consumption to test in most of weeds seedling after cauline leaf process 30d preventive effect all reach desirable preventive effect, except piemarker preventive effect is except 87.5%, the preventive effect of other weeds all reaches more than 90%.Corn grows fine, and does not have poisoning to occur.
Field test 2: the effect of checking 2,4 Dichlorophenoxybutanoic derivative weeding activity and otherness.
Test site is the Yi He village, Jinan City, Shandong Province, the corn 3-5 leaf phase, the weeds 2-3 leaf phase, test totally four process, each process three repetition, community random alignment, plot area 100m
2.Carry out cauline leaf process after seedling, after medicine, 15d and 30d observes the strain fresh weight preventive effect of each medicament respectively.Respondent is the corn field field thistle in field, Siberian cocklebur, Rhizoma Cyperi, and visual test medicament occurs without poisoning field corn.
Preventive effect calculates according to the following equation:
Table 5 field test 2 result
Passable as apparent from above-mentioned data, 2,4 dichloro benzene oxy butyrate and derivative thereof cauline leaf process 30d preventive effect after the consumption of 600g.a.i/ha is to the field thistle in test, Siberian cocklebur seedling all reaches desirable preventive effect, and preventive effect all reaches more than 90%.2,4 dichloro benzene oxy butyrate and derivative thereof, under the consumption of 600g.a.i/ha, do not have obvious otherness to the preventive effect of corn field broadleaf weeds.Visual test medicament occurs without poisoning field corn.
Field test 3: in order to verify 2 further, the security on corn of 4 Dichlorophenoxybutanoics and derivative thereof, and be the security of contrast on corn with 2,4-D butyl esters of consumption former in the world.
Test design: test site is selected in the Jinan, Shandong Province Yi He village, the corn 3-5 leaf phase.Each process 30m
2, cauline leaf spraying process, each process repetition 3 times.Later stage measures plant height, thousand seed weight, setting percentage, output.
Table 6 field test 3 test medicine and dosage:
Table 7 field test 3 result
From the results of view, although belong to same class weedicide, 2,4D butyl ester effective constituent is in recommended dose lower bound, even lower bound amount of application two molecule for the moment (150g/ha), corn is remained unsafe, shows aerial root deformity, maize leaf shrinkage, short and small, the solid little and production declining of tassel.And 2,4 Dichlorophenoxybutanoics and derivative (meeting the derivative of general formula) thereof are under the highest limit 1200g/ha concentration, indices is all normal, compare with contrast, obviously do not distinguish, so 2,4 Dichlorophenoxybutanoics and derivative thereof are safe on corn, can apply as corn field herbicide.
Claims (8)
1. a cornfield weeding immunomodulator compounds, is characterized in that: this compound is 2,4 dichloro benzene oxy butyrate and derivative thereof, and its general formula is:
or
Wherein, R is selected from hydrogen or saturated alkyl; M is selected from sodium ion, potassium ion, ammonium ion, dimethyl amine ion, Isopropylamine ion.
2. cornfield weeding immunomodulator compounds as claimed in claim 1, is characterized in that: in general formula, R is selected from hydrogen or methyl, ethyl, propyl group, butyl, 2-ethylhexyl.
3. cornfield weeding immunomodulator compounds as claimed in claim 2, is characterized in that: in general formula, R is selected from hydrogen or butyl, 2-ethylhexyl.
4. cornfield weeding immunomodulator compounds as claimed in claim 1, is characterized in that: M is selected from sodium ion, potassium ion, ammonium ion.
5. cornfield weeding immunomodulator compounds as claimed in claim 1, is characterized in that: described 2,4 dichloro benzene oxy butyrate and derivative thereof are the 1-99% of weedicide total mass.
6. cornfield weeding immunomodulator compounds as claimed in claim 5, is characterized in that: described 2,4 dichloro benzene oxy butyrate and derivative thereof are the 20-60% of weedicide total mass.
7. cornfield weeding immunomodulator compounds as described in claim 5 or 6, is characterized in that: the formulation of described weedicide is wettable powder, missible oil, water suspending agent, dispersible in oil-suspending agent, microemulsion, aqueous emulsion or water dispersible granules any one.
8. as described in any one of claim 1-4, cornfield weeding immunomodulator compounds is preventing and kill off the application in field thistle, Herba seu Flos Convolvuli arvensis, Herba Acalyphae, piemarker, Siberian cocklebur, Herba Commelinae, meal bag grass and Rhizoma Cyperi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016306.0A CN104672083A (en) | 2014-01-26 | 2015-01-13 | Cornfield herbicide compound and application thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037359.6A CN104106584A (en) | 2014-01-26 | 2014-01-26 | Cornfield compounded herbicide composition |
| CN2014100373596 | 2014-01-26 | ||
| CN201510016306.0A CN104672083A (en) | 2014-01-26 | 2015-01-13 | Cornfield herbicide compound and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104672083A true CN104672083A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410037359.6A Pending CN104106584A (en) | 2014-01-26 | 2014-01-26 | Cornfield compounded herbicide composition |
| CN201510016306.0A Pending CN104672083A (en) | 2014-01-26 | 2015-01-13 | Cornfield herbicide compound and application thereof |
| CN201510016471.6A Pending CN104663659A (en) | 2014-01-26 | 2015-01-13 | Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410037359.6A Pending CN104106584A (en) | 2014-01-26 | 2014-01-26 | Cornfield compounded herbicide composition |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510016471.6A Pending CN104663659A (en) | 2014-01-26 | 2015-01-13 | Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic |
Country Status (2)
| Country | Link |
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| CN (3) | CN104106584A (en) |
| WO (1) | WO2015109423A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259368B (en) * | 2016-08-16 | 2019-03-22 | 安徽丰乐农化有限责任公司 | A kind of corn field mixed herbicide containing isoxaflutole |
| CN107960417A (en) * | 2016-10-20 | 2018-04-27 | 山东先达农化股份有限公司 | A kind of Herbicidal combinations and its application |
| CN110074126A (en) * | 2019-05-31 | 2019-08-02 | 江西鑫邦科技有限责任公司 | A kind of phenoxy carboxylic acid Herbicidal combinations of brassinolide-containing class compound |
| CN111109305A (en) * | 2019-12-31 | 2020-05-08 | 潍坊友容实业有限公司 | Saline-alkali soil herbicide containing citrus extract and preparation method thereof |
| CN117481113B (en) * | 2023-12-21 | 2024-03-29 | 山东科赛基农生物工程有限公司 | Topramezone and clodinafop-propargyl dispersible oil suspending agent and application thereof |
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2014
- 2014-01-26 CN CN201410037359.6A patent/CN104106584A/en active Pending
- 2014-03-03 WO PCT/CN2014/000190 patent/WO2015109423A1/en active Application Filing
-
2015
- 2015-01-13 CN CN201510016306.0A patent/CN104672083A/en active Pending
- 2015-01-13 CN CN201510016471.6A patent/CN104663659A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104106584A (en) | 2014-10-22 |
| WO2015109423A1 (en) | 2015-07-30 |
| CN104663659A (en) | 2015-06-03 |
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