CN104304259B - A kind of mixed herbicide and preparation method who comprises diflufenican and amicarbazone - Google Patents
A kind of mixed herbicide and preparation method who comprises diflufenican and amicarbazone Download PDFInfo
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- CN104304259B CN104304259B CN201410499783.2A CN201410499783A CN104304259B CN 104304259 B CN104304259 B CN 104304259B CN 201410499783 A CN201410499783 A CN 201410499783A CN 104304259 B CN104304259 B CN 104304259B
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Abstract
The invention belongs to technical field of chemical synthesis, a kind of mixed herbicide that includes diflufenican and two kinds of active ingredients of amicarbazone is provided, and the preparation method and application of this kind of mixed herbicide. In this kind of mixed herbicide, the mass ratio of diflufenican and amicarbazone is 1-70:1-20, and the two gross mass mass percent in herbicide is 6-75%, can prevent and kill off various grass family and broad leaved weed in corn field. Mixed herbicide provided by the invention has that activity of weeding is high, herbicidal spectrum is wide, and the lasting period is long, safe, and high-efficiency broad spectrum is good to Environmental compatibility, to plurality of advantages such as person poultry safeties, is the corn crop chemical herbicide of high-quality.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of diflufenican and two kinds of active ingredients of amicarbazone of comprisingMixed herbicide, and the preparation method and application of this kind of mixed herbicide.
Background technology
Diflufenican (diflufenican), chemical name: N-(2,4-difluorophenyl)-2-[(3-trifluoromethyl) benzeneOxygen base]-3-pyridine anilide. This medicine belongs to carotenoid biosynthesis inhibitor, class trailing plants recklessly in the weeds plant of absorption medicamentForetell cellulose content and decline, cause Destruction of Chlorophyll and cell rupture, weeds show as young shoot decolouring or white, and last plant wilt is deadDie. Be mainly used in corn, soybean and wheatland and prevent and kill off multiple annual gramineous weed and some broad leaved weed. Especially to being pig calamityThe removal effect of calamity, Veronica is obvious.
Amicarbazone (amicarbazone) is triazolineone herbicide, chemical name: 4-amino-5-oxo-3-is differentPropyl group-N-the tert-butyl group-1,2,4-triazole-1-formamide. It is inhibitor of photosynthesis, to the classical symptom of its responsive plantFor chlorisis, stop growing, to organize withered and yellowly until finally dead, it is mainly by root system and Foliage Absorption. Be mainly used in preventing and kill off wealthyLeaf weeds and small part grassy weed, but it is poor to grassy weed prevention effect, and use cost is high, in useBe limited by very large.
At present corn herbicide is limit by security, and herbicide is composed also limited, uses separately a kind of herbicide single dose can not be completeThe complete generation of effectively controlling corn weeds, moreover some herbicide is due to water-soluble large or the field lasting period is oversize, consumption mistakeLarge or the inhomogeneous residual hazard that all easily causes of dispenser.
Summary of the invention
It is limited that the object of the invention is to solve in prior art simple herbicide herbicide spectrum, and security hidden trouble, provides onePlant mixed herbicide efficiently and safely.
1. the invention provides a kind of mixed herbicide that comprises diflufenican and amicarbazone, this mixed herbicide is with pyrroleFluorine acyl grass amine and amicarbazone are main active ingredient, and wherein, the mass ratio of diflufenican and amicarbazone is 1-70:1-20, diflufenican and amicarbazone gross mass mass percent in herbicide is 6-75%.
2. the invention provides a kind of mixed herbicide, wherein, the mass ratio of diflufenican and amicarbazone is 15-70:5, diflufenican and amicarbazone gross mass mass percent in herbicide is 20-75%.
3. the invention provides a kind of mixed herbicide, wherein, the mass ratio of diflufenican and amicarbazone is 50-70:5-20, diflufenican and amicarbazone gross mass mass percent in herbicide is 70-75%.
4. the invention provides a kind of mixed herbicide, wherein, the mass ratio of diflufenican and amicarbazone is 40-50:10-20, diflufenican and amicarbazone gross mass mass percent in herbicide is 50-70%.
5. the invention provides a kind of mixed herbicide, wherein, the mass ratio of diflufenican and amicarbazone is 40-70:5-10, diflufenican and amicarbazone gross mass mass percent in herbicide is 50-75%.
6. the invention provides a kind of mixed herbicide, wherein, the mass ratio of diflufenican and amicarbazone is 15-50:5-20, diflufenican and amicarbazone gross mass mass percent in herbicide is 20-70%; Preferably, pyrrole fluorine acylThe mass ratio of grass amine and amicarbazone is 15-40:5-10, diflufenican and amicarbazone gross mass quality hundred in herbicideProportion by subtraction is 20-50%.
7 the invention provides a kind of mixed herbicide, and wherein, this mixed herbicide also comprises and can in agricultural formulations, addAgricultural agent.
Agricultural agent, can comprise inert liquid carrier, solid carrier, surfactant, bonding agent, dispersant, expansionAgent, sticker, antifreezing agent, anticaking agent, anti-decomposition agent etc.
Wherein inert liquid carrier can be monohydric alcohol, polyalcohol, ketone, ethers, fat hydrocarbon, halogenated hydrocarbon etc., asVegetable oil; Above inert liquid carrier can one or more mix use. Solid carrier can be natural mineral matter class, inorganicSalt, starch, cellulose etc., as ammonium sulfate, diatomite, kaolin; Above solid carrier can one or more mix use.
Surfactant can, for to demonstrate surfactant gelation or swellability in water, can be aliphatic acidEster, alkyl ether, acetylenediol, polyoxy acetylene castor-oil plant wet goods non-ionic surface active agent, as APES, polyoxy secondThe anion surfactants such as the rare block compound of alkene polyoxy third or alkyl sulfate, lignosulfonates, soap, asThe cationic surfactants such as sodium lignin sulfonate, neopelex or hydrochloric acid lauryl amine, acetic acid stearylamine. AboveSurfactant can one or more mix use.
Other, as bonding agent, dispersant, spreading agent, sticker, antifreezing agent, anticaking agent, anti-decomposition agent etc., as disperseedAgent, if di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, thickener are as white carbon, is not particularly limited, any this area can realize identical functionMaterial, can mixing or single application and the present invention in.
8. above-mentioned 7 mixed herbicides that provide, its formulation be missible oil, suspending agent, aqueous emulsion, microemulsion, wettable powder,Water dispersible granules.
9. above-mentioned 1-6 any one provides the preparation method of mixed herbicide, comprise by diflufenican and amicarbazone byAccording to both certainty ratio mixing, add agricultural agent, stir and evenly mix, form creamy, suspension, water and milk shape, microemulsion, wettableProperty powdery, the granular mixed herbicide of aqueous dispersion.
Set ratio refers to the ratio of setting forth in method described in above-mentioned 1-6 any one, and that removes as required plantsThe kind of thing, the herbicidal effect that need to reach is set. According to the difference of the agricultural agent adding, the mixed herbicide formulation of formationCan be missible oil, suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules.
10. the mixed herbicide that above-mentioned 1-7 any one provides is preventing and kill off in corn field in various grass family and broad leaved weedApplication.
Grass family and broad leaved weed comprise lady's-grass, barnyard grass, white grass, amur foxtail, annual bluegrass, reed, wild oat, hispid arthraxon, tigerTail grass, green bristlegrass, Setaria glauca, eleusine indica, india lovegrass, clearvers, volume stem knotweed, purslane, black nightshade, chickweed, common vetch, Tian XuanFlower, weasel hemp nettle, pale persicaria, willow leaf sting knotweed, Amaranthus retroflexus, dayflower, elscholtiza, penny cress, vetch, broadcast ma wormwood artemisia and little japanese bearbind.
Beneficial effect:
1, activity of weeding is high. Diflufenican belongs to carotenoid biosynthesis inhibitor, absorbs the weeds plant of medicamentMiddle carotenoid content declines, and causes Destruction of Chlorophyll and cell rupture, last plant wilt death. Amicarbazone(amicarbazone) being inhibitor of photosynthesis, is chlorisis to the classical symptom of its responsive plant, stops growing, and organizes witheredYellow until finally dead, it is mainly by root system and Foliage Absorption. That is to say, herbicidal composition of the present invention can pass throughTwo kinds of different approaches are killed weeds, can greatly improve the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long. After diflufenican mixes with amicarbazone, action compensating, herbicidal spectrum is moreWide, extend lasting period of medicament.
3, safe. Herbicidal composition of the present invention, is applied to corn crop, and it can prevent and kill off in corn crop eachPlant grass family and broad leaved weed, having improved under the prerequisite of drug effect, corn crop is had to very high security.
Therefore, in sum, mixed herbicide provided by the invention has high-efficiency broad spectrum, reduces agricultural chemicals dosage, reducesResidues of pesticides, Environmental compatibility is good, to advantages such as person poultry safeties, is the corn crop chemical herbicide of high-quality. .
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, the experiment side of unreceipted actual conditions in the following exampleMethod, conventionally according to the known approaches of this area.
Embodiment 1
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 70%, amicarbazone 5%, adds agricultural agent: di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 6%, sodium lignin sulfonate 5%, allotment is mixedEven, and in whipping process, constantly add kaolin, make whole mixture quality ratio reach 100%, and according to general step, shapeBecome diflufenican, amicarbazone mixing quality than the wettable powdery mixed herbicide that is 75%.
Embodiment 2
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 15%, amicarbazone 5%, adds agricultural agent: APES 3%, castor oil polyoxyethylene ether 2%, HuangVirgin rubber 0.1%, dimethylbenzene 20%, ethylene glycol 5%, blending and mixing, and in whipping process, constantly add water, make whole mixtureMass ratio reaches 100%, and according to general step, forms diflufenican, amicarbazone mixing quality than the water and milk that is 20%Shape mixed herbicide.
Embodiment 3
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 50%, amicarbazone 20%, adds agricultural agent: sodium lignin sulfonate 5%, lauryl sulfate 2%, ammonium sulfate5%, blending and mixing, and in whipping process, constantly add kaolin, make whole mixture quality ratio reach 100%, and according toGeneral step, forms diflufenican, amicarbazone mixing quality than the granular mixed herbicide of aqueous dispersion that is 70%.
Embodiment 4
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 40%, amicarbazone 10%, adds agricultural agent: dioctyl sodium sulfosuccinate 0.5%, sodium lignin sulfonate 2.5%,Xanthans 0.15%, glycerine 5%, polysiloxanes 0.2%, blending and mixing, and in whipping process, constantly add water, make wholeMixture quality ratio reaches 100%, and according to general step, formation diflufenican, amicarbazone mixing quality ratio are 50%Suspension mixed herbicide.
Embodiment 5
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 60%, amicarbazone 10%, adds agricultural agent: di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 5%, ammonium sulfate 3%, polyvinyl alcohol 2%,Blending and mixing, and constantly add kaolin in whipping process, makes whole mixture quality ratio reach 100%, and according to generallyStep, forms diflufenican, amicarbazone mixing quality than the granular mixed herbicide of aqueous dispersion that is 70%.
Embodiment 6
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 20%, amicarbazone 5%, adds agricultural agent: calcium dodecyl benzene sulfonate 5%, APES 3%, adjustsCompounding is even, and constantly adds 150# solvent naphtha in whipping process, makes whole mixture quality ratio reach 100%, and according to oneAs step, form diflufenican, amicarbazone mixing quality than the creamy mixed herbicide that is 25%.
Embodiment 7
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 5%, amicarbazone 1%, adds agricultural agent: calcium dodecyl benzene sulfonate 5%, castor oil polyoxyethylene ether 5%, 150Solvent naphtha 15%, cyclohexanone 5%, ethylene glycol 5%, blending and mixing, and in whipping process, constantly add water, make whole mixtureMass ratio reaches to 100%, and according to general step, forms diflufenican, amicarbazone mixing quality than the micro emulsion that is 6%Shape mixed herbicide.
Embodiment 8
According to conventional preparation production method, with the mixed herbicide mass percent metering finally obtaining, get pyrrole fluorine acylGrass amine 1%, amicarbazone 9%, adds agricultural agent: methyl naphthalene sulfonic acid sodium formaldehyde contracting thing 6%, NPE 3%,Xanthans 0.3%, propane diols 5%, polysiloxane defoamers 0.2%, blending and mixing, and in whipping process, constantly add water,Whole mixture quality ratio is reached to 100%, and according to general step, form diflufenican, amicarbazone mixing qualityThan the suspension mixed herbicide that is 10%.
Embodiment 9
1) toxicity determination test
Utilize the preparation of diflufenican in embodiment 1～4 (A) and amicarbazone (B) binary built, measure it to anti-branchThe co-toxicity coefficient of amaranth.
Test method: the seed of quantitative Amaranthus retroflexus is seeded in respectively highly in the Disposable paper cup for 9cm, in every glassSow 12 seeds, in illumination box, cultivate, in the time that Amaranthus retroflexus grows to 2 leaf phases and 4 leaf phase, make composition spray in crawler typeOn spray the liquid to be measured of each concentration, each processing repeats 2 times. After processing, put into illumination box and cultivate at 27 DEG C, everyObserve the preventive effect of each processing to weeds every 5 days, record dead seedling number and plant height, after 30d, weigh each weeds fresh weight after treatment,Press the method that the nineteen sixties such as Sun Yunpei propose, calculate its toxicity regression curve and co-toxicity coefficient. Co-toxicity coefficient is greater than 120, showsTwo kinds of active principles have synergistic effect, and co-toxicity coefficient, between 80-120, shows that two kinds of active principles are summation action, altogether poisonCoefficient is less than 80, shows that two kinds of active principles have antagonism. Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principles are composite is all greater than 120, illustrates that the present invention has brightAobvious synergistic effect.
2) field control effectiveness test.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1～4.
Contrast medicament:
50% diflufenican wettable powder (commercially available, Huifeng Agricultural Chemistry Co., Ltd., Jiangsu provides), 70% amine azolesHumulone water dispersion granule (commercially available, commodity are called Dinamic).
For studying thing: arbitrary commercially available corn
Maize seedling grows fine, and robust plant, without other disease and pests
Prevent and kill off object:
Lady's-grass, two kinds of weeds of clearvers.
Test method:
According to the area of experimental plot, accurately weigh good various medicaments, be watered after dilution, utilize knapsack sprayer, enterRow even spraying, the special Fan spray head of herbicide is selected in spraying. When spraying, note liquid evenly to spray application to experimental plotIn, the spray of anti-Zhiduo County, drain spray phenomenon.
20d after medicine respectively after test, 40d observes weeds death condition, and the activity of weeding of more various medicaments.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d after medicine) and table 3 (40d after medicine)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
By table 2, table 3 is known, and Herbicidal combinations of the present invention has expansion herbicidal spectrum, improves activity of weeding, and has quick-actingProperty and lasting effect.
The security survey result of table 4 medicament to crop
As shown in Table 4, the corn of respectively processing in community grows fine, and has no any medicine spot, illustrates that various medicaments are to cornAll safety.
Can know, the illustrative embodiments that above-described embodiment only adopts for inventive principle is described, but thisBrightly be not limited only to this, those skilled in the art, not departing under real situation of the present invention, can make various improvement and change, thisA little improvement and change also belong to protection scope of the present invention.
Claims (7)
1. a mixed herbicide that comprises diflufenican and amicarbazone, is characterized in that: diflufenican and amine azoles grassThe mass ratio of ketone is 15-70:5, and diflufenican and amicarbazone gross mass mass percent in herbicide is 20-75%.
2. a mixed herbicide that comprises diflufenican and amicarbazone, is characterized in that: diflufenican and amine azoles grassThe mass ratio of ketone is 40-50:10-20, and diflufenican and amicarbazone gross mass mass percent in herbicide is 50-70%。
3. a mixed herbicide that comprises diflufenican and amicarbazone, is characterized in that: diflufenican and amine azoles grassThe mass ratio of ketone is 40-70:5-10, and diflufenican and amicarbazone gross mass mass percent in herbicide is 50-75%。
4. the mixed herbicide described in claim 1-3 any one, is characterized in that: this mixed herbicide also comprises can be in agricultureThe agricultural agent adding in industry preparation.
5. mixed herbicide claimed in claim 4, the formulation that it is characterized in that herbicide is missible oil, suspending agent, aqueous emulsion, micro-Emulsion, wettable powder, water dispersible granules.
6. the preparation method of mixed herbicide described in claim 1-3 any one, is characterized in that: by diflufenican and amineAzoles humulone, according to both certainty ratio mixing, adds agricultural agent, stirs and evenly mixs, and forms creamy, suspension, water and milk shape, micro-Emulsus, wettable powdery, the granular mixed herbicide of aqueous dispersion.
7. the mixed herbicide described in claim 1-3 any one is preventing and kill off in corn field in various grass family and broad leaved weedApplication.
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| CN104304259B true CN104304259B (en) | 2016-05-04 |
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| CN107079920A (en) * | 2017-06-23 | 2017-08-22 | 北京科发伟业农药技术中心 | The Herbicidal combinations of flucarbazone, diflufenican and amicarbazone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101010006A (en) * | 2004-08-27 | 2007-08-01 | 拜尔作物科学有限公司 | Herbicide combinations comprising special ketoenoles |
| CN102326556A (en) * | 2011-05-28 | 2012-01-25 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing carfentrazone-ethyl and diflufenican |
| CN103501604A (en) * | 2010-09-17 | 2014-01-08 | 陶氏益农公司 | Liquid agricultural formulations of improved stability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101010006A (en) * | 2004-08-27 | 2007-08-01 | 拜尔作物科学有限公司 | Herbicide combinations comprising special ketoenoles |
| CN103501604A (en) * | 2010-09-17 | 2014-01-08 | 陶氏益农公司 | Liquid agricultural formulations of improved stability |
| CN102326556A (en) * | 2011-05-28 | 2012-01-25 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing carfentrazone-ethyl and diflufenican |
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