CN107027754A - A kind of herbicidal composition - Google Patents
A kind of herbicidal composition Download PDFInfo
- Publication number
- CN107027754A CN107027754A CN201710338993.7A CN201710338993A CN107027754A CN 107027754 A CN107027754 A CN 107027754A CN 201710338993 A CN201710338993 A CN 201710338993A CN 107027754 A CN107027754 A CN 107027754A
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- China
- Prior art keywords
- formula
- methoxone
- mcpa
- mcp
- weed
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- 0 CCC(CCC**(C*N)NC)=*(C)CC[C@](C)C* Chemical compound CCC(CCC**(C*N)NC)=*(C)CC[C@](C)C* 0.000 description 1
Classifications
-
- 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
- A01N39/04—Aryloxy-acetic 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
Abstract
The present invention relates to containing utilizing formula（A）, MCPA,MCP,methoxone Herbicidal combinations, described Herbicidal combinations have synergistic function, wherein, utilize formula（A）It is preferably 1 with MCPA,MCP,methoxone mass ratio:70~50:10, grassy weed, broad leaved weed and sedge weed that the Herbicidal combinations can be used for preventing and kill off in rice terrace.
Description
Technical field
The invention belongs to pesticide herbicide compounding field, and in particular to be a kind of to contain pyridine carboxylic acid ester derivant and two
The complex composition of first tetrachloro two-spot herbicidal composition and its application.
Background technology
Pyridine carboxylic acid ester derivant（Rinskor）, other titles：Ling Sike, is the new of The Dow Agrosciences, LLC.'s exploitation
Type aromatic radical pyridine carboxylic acid class herbicide.Chemical name：The chloro- 6- of 4- amino -3（The fluoro- 3- methoxy-benzyls of 4- chloro- 2）- 5- fluorine pyrroles
Pyridine -2- carboxylic acid benzyl esters.The present invention selects it to utilize formula（A）And its agricultural salt or ester are compounded with MCPA,MCP,methoxone, it utilizes formula A
Structural formula is as follows：
。
Pyridine carboxylic acid ester derivant, is a kind of selective internal-suction type herbicide, can be by blade and root absorption, through wood
Matter portion and bast, which conduct and be accumulated in the separate living tissue of weeds, plays activity of weeding.Field can be effectively prevented and kill off for rice terrace
Between main grassy weed, broad leaved weed and sedge weed, with spies such as the low, effect stabilities of safe efficient, dosage
Point.Pyridine carboxylic acid ester derivant is to inhibitor of acetolactate synthetase, acetyl-CoA carboxylase inhibitor, p-hydroxyphenyl acetone
The weeds effect that sour dual oxide enzyme inhibitor, propanil, dichloro quinolinic acid, glyphosate, triazine herbicide produce resistance is good.
MCPA,MCP,methoxone, other title 2-methyl-4-chlorophenoxyacetic acid, Chipton etc., chemical name：2- methyl -4- chlorobenzenes
Fluoroacetic acid, is a kind of phenoxy carboxylic acid selective herbicide.
MCPA,MCP,methoxone is a kind of herbicide with stronger uptake and translocation, is mainly used in after seedling cauline leaf process, medicament is worn
Cuticula and cytoplasma membrane are crossed, plant various pieces are finally transmitted to, in different parts to the synthetically produced of nucleic acid and protein
Different influences, makes growing point stop growing, and young leaflet tablet not tensible, the bottom tip of a root expands, and loses the ability for absorbing nutrient,
Cane distortion, deformity are caused, organic matter transport is obstructed, so as to destroy the normal viability of plant, ultimately results in Plant death.
MCPA,MCP,methoxone can effectively prevent and kill off most of broad leaved weed and nutgrass flatsedge.
Rice terrace resistant weed generation in recent years is increasingly severe, single to solve paddy rice using a kind of herbicide
The weed problem in field, therefore mixture of herbicides is using seeming more and more important, can not only ensure that weed control efficacy can be with
Ensure the safety of crop.It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of efficiently, low toxicity, low cost
Herbicidal combinations, are conducive to the integrated control of crop weeds, and described Herbicidal combinations active component, which is included, utilizes formula（A）
And its agricultural salt or ester and 2-methyl-4-chloropheeffervescent or ester.
The content of the invention
The invention reside in solve the limitation of single dose controlling object in agent for removing grass in paddy field technology, improve preventing and kill off for resistant weed
Effect, delays the generation of Weed Resistance, realize a drug solve one season of rice terrace weeds there is provided it is a kind of efficiently, low toxicity, it is low into
Originally, easy to use, quick-acting is good, the herbicidal composition of lasting period length.
The invention provides a kind of herbicidal composition, including active component：Utilize formula（A）And its agricultural salt or ester and
2-methyl-4-chloropheeffervescent or ester.By contrasting each single dose and complex preparation, the herbicidal composition of optimal preventive effect is screened.
Further, active component is to utilize formula in Herbicidal combinations of the invention（A）And its agricultural salt or ester and diformazan
Four villaumites or ester, the mass ratio that they are compounded are 1:100~100:10, more preferably 1:100~50:10, be most preferably
1:70~50:10.
The Herbicidal combinations of the present invention can be with auxiliary element conventional in Pesticide formulation according to customary preparation methods
Prepare any one formulation, for example can be missible oil, water dispersible granules, granule, suspending agent, dispersible oil-suspending agent,
Dry suspending agent etc..
Further, Herbicidal combinations of the invention can be used for preventing and kill off in rice terrace grassy weed, broad leaved weed
And sedge weed.
The present invention Herbicidal combinations frequency of use and usage amount with crops, weeds, weather condition and it is small change,
The purpose effectively prevented and treated can be reached by using suitable dosage.
The Herbicidal combinations of the present invention may also include other agricultural active compositions, such as herbicide, the desinsection of other species
The additive and/or insecticides adjuvant commonly used in agent, bactericide, fertilizer and the pesticide activity component of safener and/or plant protection,
Or can use together with which.
Compared with prior art, Herbicidal combinations of the invention have the following advantages that：
1st, broad weed-killing spectrum, lasting period are long：Utilize formula（A）Main grassy weed, broad leaved weed and Cyperaceae can effectively be prevented and kill off
Weeds, have special effect to pernicious broad leaved weed.MCPA,MCP,methoxone can prevent and kill off most of broad leaved weed and nutgrass flatsedge, to grass family
Weeds are substantially invalid.The two is compounded, and can be expanded herbicide controlling spectrum, be reached that the wealthy Sha weeds of a drug standing grain all solve, while can
The raising broad leaved weed serious to current rice terrace resistance and the preventive effect of nutgrass flatsedge, and extend the lasting period.
2nd, different mechanism, Synergistic：Utilize formula（A）Mainly interference hormone receptor is played by unique effect
Herbicidal effect, MCPA,MCP,methoxone is mainly the synthesis of RNA and protein, so as to destroy the viability of plant.Two kinds of differences
The herbicide of mechanism of action is used in mixed way, and is had complementary advantages and is coordinated synergy, and activity of weeding performance is higher.
3rd, consumption is rationally, safe：Herbicidal composition is avoided using the too high medicine caused of single herbicide consumption
Evil risk, utilizes formula（A）Very safe to paddy rice, MCPA,MCP,methoxone security is not high, and both compound, and reduction MCPA,MCP,methoxone is independent
The dosage used, improves the security to crop.
4th, Weed Resistance is delayed：Single herbicide is used year after year, and consumption is continued to increase, and weeds easily produce resistance.At present
Rice terrace malignant weed is serious all the more, and such as angustifolia arrowhead herb, rhizoma alismatis, the rhizome of nutgrass flatsedge, rice terrace herbicide after seedling are compounded from this
Composition carries out cauline leaf process, can effectively prevent and kill off the most of weeds in field, delays the generation of Weed Resistance, extension herbicide
Service life.
Embodiment
In order to be better understood from the essence of the present invention, present disclosure is described further with reference to embodiment,
But limitation of the present invention can not be considered as, it is as described below to be only used for explaining the present invention, for without departing from spirit of the invention and principle
Modification, replacement or the improvement made, belong to the scope of protection of present invention.
First, example of formulations
The formula of embodiment 1 1%（A）The dispersible oil-suspending agent of+50% MCPA,MCP,methoxone
Utilize formula（A） 1%
The % of MCPA,MCP,methoxone 50
Calcium dodecyl benzene sulfonate 5%
AEO 3%
Castor oil polyoxyethylene ether 1%
Sorbitol polyoxyethylene ether 1%
Organobentonite 1%
White carbon 1%
Methyl oleate complementary is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by oil and dispersant, thickener, emulsification
Agent is mixed, well mixed through high speed shear, adds formula（A）And MCPA,MCP,methoxone, continue to shear mixing, be sanded subsequently into horizontal
Ground in machine, make preparation particle diameter all in below 10um, be made of the present invention and contain formula（A）With dividing for MCPA,MCP,methoxone
Dissipate oil-suspending agent.
The formula of embodiment 2 5%（A）+ 30% MCPA,MCP,methoxone missible oil
Formula（A） 5%
MCPA,MCP,methoxone 30%
Tetrahydrofuran 7%
Octyl phenol polyoxyethylene fan phosphate 1%
Calcium dodecyl benzene sulfonate 5%
AEO 8.5%
Solvent naphtha polishing is to 100%
The specific procedure of processing of said composition missible oil is：Solvent naphtha and tetrahydrofuran are mixed by above-mentioned formula, formula is added（A）
And MCPA,MCP,methoxone, after being completely dissolved, add that emulsifying agent is well mixed to form oil phase, be made of the present invention containing utilizing formula
（A）With the emulsifiable concentrate of MCPA,MCP,methoxone.
The formula of embodiment 3 5%（A）The dispersible oil-suspending agent of+50% MCPA,MCP,methoxone
Formula（A） 5%
MCPA,MCP,methoxone 50%
Calcium dodecyl benzene sulfonate 5%
Sorbitol polyoxyethylene ether 4%
OPEO 3%
Polyoxyethylene carboxylate 2%
Organobentonite 1%
White carbon 1%
Methyl oleate polishing is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by oil and dispersant, thickener, emulsification
Agent is mixed, well mixed through high speed shear, adds formula（A）And MCPA,MCP,methoxone, continue to shear mixing, be sanded subsequently into horizontal
Ground in machine, make preparation particle diameter all in below 10um, be made of the present invention and contain formula（A）With dividing for MCPA,MCP,methoxone
Dissipate oil-suspending agent.
The formula of embodiment 4 10%（A）The dispersible oil-suspending agent of+30% MCPA,MCP,methoxone
Formula（A） 10%
MCPA,MCP,methoxone 30%
Calcium dodecyl benzene sulfonate 5%
Sorbitol polyoxyethylene ether 3%
Castor oil polyoxyethylene ether 2%
Aliphatic acid polyethenoxy ether 5%
Organobentonite 0.5%
White carbon 1%
Methyl oleate polishing is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by oil and dispersant, thickener, emulsification
Agent is mixed, well mixed through high speed shear, adds formula（A）And MCPA,MCP,methoxone, continue to shear mixing, be sanded subsequently into horizontal
Ground in machine, make preparation particle diameter all in below 10um, be made of the present invention and contain formula（A）With dividing for MCPA,MCP,methoxone
Dissipate oil-suspending agent.
The formula of embodiment 5 50%（A）+ 10% MCPA,MCP,methoxone suspension emulsion
Formula（A） 50%
MCPA,MCP,methoxone 10%
Polycarboxylate 3%
Castor oil polyoxyethylene ether 3%
Aliphatic alcohol polyethenoxy ester 4%
Sorbitol polyoxyethylene ether 3%
Xanthans 0.1%
Aluminium-magnesium silicate 0.2%
Sodium benzoate 0.1%
Deionized water polishing is to 100%
The specific procedure of processing of the suspension emulsion is：MCPA,MCP,methoxone is well mixed with emulsifying agent by above-mentioned formula, then added
Suitable quantity of water emulsifies through homogenizer and emulsion is made；Dispersant, thickener, defoamer are mixed by above-mentioned formula, it is mixed through high speed shear
Close uniform, add formula（A）, continue to shear mixing, ground subsequently into horizontal sand mill, make preparation particle diameter all micro- 10
Rice is following, and suspension is made；Above emulsion and suspension are made of the present invention through high speed shear mixing and contain formula（A）
With the suspension emulsion of MCPA,MCP,methoxone.
The formula of embodiment 6 25%（A）+ 35% MCPA,MCP,methoxone water dispersible granules
Formula（A） 25%
MCPA,MCP,methoxone 35%
White carbon 6%
Lauryl sodium sulfate sodium 3%
Methyl naphthalene sulfonate formaldehyde condensate 4%
Polycarboxylate 2%
Sodium lignin sulfonate 3%
AEO 1%
Sodium carboxymethyl starch 2%
Soluble starch polishing is to 100%
The procedure of processing of the water dispersible granules is：By above-mentioned formula by formula（A）, MCPA,MCP,methoxone and dispersant, wetting agent, collapse
Solve agent and filler is well mixed, crushed with micro jet, through mediating, granulated subsequently into Squeezinggranulator, boiling
Dried in drying machine, through sampling analysis after screening, be made of the present invention and contain formula（A）With the water-dispersible grain of MCPA,MCP,methoxone
Agent.
The formula of embodiment 7 25%（A）The dispersible oil-suspending agent of+25% MCPA,MCP,methoxone
Formula（A） 25%
The % of MCPA,MCP,methoxone 25
Calcium dodecyl benzene sulfonate 5%
AEO 3%
Castor oil polyoxyethylene ether 1%
Sorbitol polyoxyethylene ether 1%
Organobentonite 1%
White carbon 1%
Methyl oleate complementary is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by oil and dispersant, thickener, emulsification
Agent is mixed, well mixed through high speed shear, adds formula（A）And MCPA,MCP,methoxone, continue to shear mixing, be sanded subsequently into horizontal
Ground in machine, make preparation particle diameter all in below 10um, be made of the present invention and contain formula（A）With dividing for MCPA,MCP,methoxone
Dissipate oil-suspending agent.
2nd, toxicity is determined
Test method：By quantitative rice paddy seed（Peaceful round-grained rice 13）, weed seed（Angustifolia arrowhead herb, different in nature nutgrass flatsedge）It is seeded in respectively straight
In footpath 9cm polypots, every 15~20, basin seed, after planting 0.5~1cm of earthing or so, treats that weed seed is emerged, growing way reaches
To after the heart of 2 leaf 1, weed growth vigorous period carries out cauline leaf spraying treatment.Placed after processing in greenhouse, periodical visual inspection observation is each
The weeds survival condition of processing, and in the security of the 7th day investigation paddy rice, carry out the actual strain that investigation calculates each processing within the 14th day
Preventive effect and fresh weight preventive effect.（Note：Broad leaved weed selects current field malignant weed angustifolia arrowhead herb to be selected as representative, sedge weed
Field malignant weed difformed galingale herb is used as representative）
Synergy evaluation method：
The synergy of herbicide is evaluated according to Gowing methods, its formula is as follows：
X, Y are the weeds of each single dose with respect to strain preventive effect（Fresh weight）；
E0：Represent the theoretical preventive effect of each processing（Fresh weight）；
E：Represent the actual preventive effect of each processing（Fresh weight）；
Evaluation criterion：As E ＞ E0When, show as synergistic effect；As E=E0When, show as summation action；As E ＜ E0When, table
It is now antagonism.
Safety evaluatio：
Observation medicament whether there is poisoning to paddy rice, records the type and extent of poisoning.Poisoning grade scale is as follows：
1 grade：Paddy growth is normal, without any damage symptoms；
2 grades：The slight poisoning of paddy rice, poisoning is less than 10%；
3 grades：The medium poisoning of paddy rice, can recover, not influence yield later；
4 grades：Rice drug misadventuring is heavier, it is difficult to recover, and causes the underproduction；
5 grades：Rice drug misadventuring is serious, it is impossible to recover, and causes the obvious underproduction or total crop failure.
By carrying out toxicity measure, it can be seen that utilize formula（A）Relative usage list is respectively handled with the composition of MCPA,MCP,methoxone
Agent is greatly improved to the preventive effect of angustifolia arrowhead herb, difformed galingale herb, illustrates that the two herbicide has the value of compounding very much.For strain preventive effect and
The synergy evaluation of strain fresh weight all proportions compounding shows as synergy, and indivedual maximum dose levels have slight poisoning to produce, therefore
Actual use, selects to exclude during proportion optimizing.（It the results are shown in Table 1, table 2, table 3, table 4）
3rd, field control effectiveness test：
Reagent agent：Embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6, embodiment 7 are compounded for 7 kinds totally
Composition.
Comparison medicament：Utilize formula（A）Single dose, MCPA,MCP,methoxone single dose.
For studying thing：Rice terrace, rice 13 of pacifying.
Controlling object：The main weeds that field occurs have barnyard grass, rice barnyard grass, angustifolia arrowhead herb, Monochoria vaginalis, rhizoma alismatis, the rhizome of nutgrass flatsedge, the opposite sex
Nutgrass flatsedge etc..
Application method：Test after the field that field is unused soil treatment before Rice Cropping, rice seedling, weeds are in
The 3-5 leaf phases grow vigorous period, uniform cauline leaf spraying.
Pilot survey：The security of 7 days investigation crops after dispenser, 21 days investigation weeds strain preventive effects after dispenser.
Result of the test：It can be seen from Table 5 that, complex composition of the invention has excellent anti-to field common weed
Effect, field integrates strain preventive effect and reaches more than 91%, hence it is evident that better than utilizing formula（A）With the preventive effect of each single dose of MCPA,MCP,methoxone.Wherein
Although handling 7 preventive effect highests, obvious symptom of chemical damage is shown, therefore optimization excludes this proportioning.In process of the test further
The combinations of herbicides of optimum choice paddy rice is showed no poisoning generation, show to rice safety, be current rice terrace preventive effect preferably,
Cost performance highest New Herbicides are combined.
Claims (8)
1. a kind of herbicidal composition, it is characterised in that active component includes component A and component B, wherein component A is formula（A）'s
Compound or derivatives thereof, component B is MCPA,MCP,methoxone or its agricultural salt, wherein formula（A）Structure it is as follows：
（Formula A）.
2. Herbicidal combinations according to claim 1, it is characterised in that the formula（A）And or derivatives thereof with diformazan four
The weight ratio of chlorine or its salt is 1:100~50:10.
3. Herbicidal combinations according to claim 2, it is characterised in that the weight ratio preferably 1:70~50:10.
4. according to the Herbicidal combinations of claim 1 or 3, it is characterised in that the Herbicidal combinations also include Pesticide formulation
Middle conventional auxiliary element.
5. the Herbicidal combinations according to any claim in claim 1-3, it is characterised in that described weeding
Composition also includes one or more other agricultural active compositions.
6. herbicidal composition according to claim 4, it is characterised in that other agricultural active compositions are safener.
7. the herbicidal composition according to claim 1-5 is used for the purposes for preventing and kill off noxious plant.
8. purposes according to claim 6, it is characterised in that the noxious plant is weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338993.7A CN107027754A (en) | 2017-05-15 | 2017-05-15 | A kind of herbicidal composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338993.7A CN107027754A (en) | 2017-05-15 | 2017-05-15 | A kind of herbicidal composition |
Publications (1)
| Publication Number | Publication Date |
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| CN107027754A true CN107027754A (en) | 2017-08-11 |
Family
ID=59537581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710338993.7A Pending CN107027754A (en) | 2017-05-15 | 2017-05-15 | A kind of herbicidal composition |
Country Status (1)
| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN104170830A (en) * | 2014-09-19 | 2014-12-03 | 联保作物科技有限公司 | Wheat field weeding composition and preparation thereof |
| CN105813460A (en) * | 2013-12-12 | 2016-07-27 | 美国陶氏益农公司 | Selective weed control with halauxifen |
-
2017
- 2017-05-15 CN CN201710338993.7A patent/CN107027754A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN105813460A (en) * | 2013-12-12 | 2016-07-27 | 美国陶氏益农公司 | Selective weed control with halauxifen |
| CN104170830A (en) * | 2014-09-19 | 2014-12-03 | 联保作物科技有限公司 | Wheat field weeding composition and preparation thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李美等: "氟氯吡啶酯与啶磺草胺对杂草的联合毒力及其对小麦的安全性", 《麦类作物学报》 * |
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Application publication date: 20170811 |