CN106577671A - Synergistic weeding composition containing cyhalofop-butyl, fluroxypyr-mepthyl and quinclorac - Google Patents
Synergistic weeding composition containing cyhalofop-butyl, fluroxypyr-mepthyl and quinclorac Download PDFInfo
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- CN106577671A CN106577671A CN201610927686.8A CN201610927686A CN106577671A CN 106577671 A CN106577671 A CN 106577671A CN 201610927686 A CN201610927686 A CN 201610927686A CN 106577671 A CN106577671 A CN 106577671A
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- butyl
- fluroxypyr
- cyhalofop
- monooctyl ester
- different monooctyl
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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
- 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
- A01N43/42—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 condensed with carbocyclic rings
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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
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
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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
- 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 invention relates to the technical field of agricultural pesticides, and discloses a synergistic weeding composition containing cyhalofop-butyl, fluroxypyr-mepthyl and quinclorac. The weight ratio of the three active ingredients namely the cyhalofop-butyl, the fluroxypyr-mepthyl and the quinclorac is (1-6):(1-3):(3-6), the total weight percentage of the three active ingredients in the composition is 5-45%, and the balance is an auxiliary ingredient allowed to use and acceptable in the agricultural pesticides. The weeding composition improves the weeding property, reduces the usage amount of the agricultural pesticides, delays the generation of drug resistance of weeds, and has good safety to rice, thereby being a very good novel drug combination for controlling annual weeds in paddy fields.
Description
Technical field
The present invention relates to composition pesticide and its application, specifically one kind is with cyhalofop-butyl, chlorine fluorine pyrrole oxygen second
The different monooctyl ester of acid and dichloro quinolinic acid are the ternary built Herbicidal combinations of effective ingredient, are applied to the preventing and treating of paddy field weed.
Technical background
China is entered in 70-80 20th century, chemical herbicides age, work is prevented and kill off to the farmland weed of China and is brought good fortune
Sound, substantial amounts of labour force is able to be freed from artificial weeding.But the development of things is respectively provided with dual character, sulfonylurea, acyl
The rapid popularization of the selective herbicide such as amine and synthetic hormone class and use year after year, some sensitive populations slowly disappear, but
So that some weed populations progressively generate resistance problems.Simultaneously under the selection and pressure of these herbicides, some
The drug-resistant organisms type that the drug resistance plant insensitive to all class medicament sheets produces because gene Selection is acted on starts on rapid
Rise and spread.Progressively become the main weeds group in farmland.Occur in that dichloroquinoline acid resistance is given birth in weed community so far
Thing type barnyard grass, sulfonylurea resistant biotypes Monochoria korsakowii, penoxsuam resistant biotypes barnyard grass, cyhalofop-butyl resistant biotypes
Semen Euphorbiae etc..Wherein, barnyard grass (Echinochloa crusgalli var.zelayemis), shaven head are come with barnyard grass population Chinese and Western
Barnyard grass, blue or green barnyard grass resistance are especially prominent, and preventing and controlling are the most arduous.
In recent years peasant is also constantly changing to the tillage method of Oryza sativa L., and some areas are changed into drought from original water direct seeding
Live planting patternss, because of its saving of labor, water-saving, are easy to mechanized operation, and the area of direct-sowing dry increases year by year.With tillage method
Change some weeds population also changing so that some upland weedses such as Setaria glauca, Semen Euphorbiae, Herba Digitariae, cattle
Muscle grass, Alternanthera philoxeroides etc. become main weeds group.
Barnyard grass agent such as dichloro quinolinic acid, bispyribac-sodium, penoxsuam, cyhalofop-butyl, oxazoles acyl grass are killed using single paddy field
Amine, pyribenzoxim etc. are extremely difficult to preferably prevent and kill off the biotype weeds of purpose, resistant weed and drug resistance and typically still can send out
Surging group is transformed into, water is striven with Oryza sativa L. and is striven fertilizer, paddy growth is had a strong impact on when density is big, cause the underproduction that Oryza sativa L. is different degrees of,
Threaten the stability and development of China's Rice Production.
Cyhalofop-butyl (Cyhalofop-butyl)：Belong to aryloxyphenoxypropionic class herbicide, opened by the Dow Chemical Company
Send out, the mechanism of action is acetyl-CoA carboxylase inhibitor, stop fatty acid synthesis, the growth division of cell can not normally enter
OK, the structural deterioration containing fat such as membranous system, finally results in Plant death.It is efficient to Semen Euphorbiae to Oryza sativa L. high safety, to low age barnyard grass
Grass has certain preventive effect, but it is undesirable to come barnyard grass, blue or green barnyard grass, bald barnyard, Herba Eleusines Indicae and other effects to west.
The different monooctyl ester of fluroxypyr (Fluroxypyr-meptyl)：Belong to pyridine fluoroacetic acid class herbicide, with interior suction
Conduction, after seedling is used, and the reaction of classical hormones class herbicide occurs in sensitive crop.Herba Galii Teneri, field are prevented and kill off suitable for wheat paddock
Flos Calystegiae sepii, Herba Capsellae, Herba stellariae mediae, volume stem Herba Amaranthi tricoloriss, Herba Portulacae, the broad leaved weed such as Alternanthera philoxeroides, to grass family and sedge weed effect compared with
Difference.Using being rarely reported on Oryza sativa L., easily there is poisoning in single use.
Dichloro quinolinic acid (Quinclorac)：The specially good effect selective herbicide of barnyard grass in paddy field is prevented and kill off, belongs to hormone-type quinoline carboxylic
Acid herbicides, weeds poisoning symptom is similar to auxins effect, is mainly used in preventing and treating barnyard grass and working life is very long, 1-7 leaves
Phase is effective.Security of rice is good.But it is poor to the grassy weed effect in addition to barnyard grass, to Cyperaceae, broad leaved weedses without
Effect.
The effect that different herbicides are used in combination to obtain Synergistic is expected to, but cooperative synergism effect is obtained
But have occasionality, this needs specifically to select the combination of herbicide, and to expend considerable time and effort into
The necessary test of row can confirm.The present invention is had found by substantial amounts of test, when herbicide enters according to the combination listed by the present invention
Row can produce the effect of Synergistic, expand respective weed control spectrum when being used in combination, while solving herbicide resistance, compare
Being used alone in these herbicides can be with significantly more efficient killing weeds.The Herbicidal combinations of the present invention can also substantially reduce medicine
Agent is to the injury of crop so as to improve the safety for using.This research and development group is in tackling key problem rice terrace resistant biotypes weed control
During technology correlation problem, it has unexpectedly been discovered that, three kinds of the different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid
Effective ingredient is compounded, not only to rice terrace annual grassy weeds preventive effect, while rice terrace barnyard grass, west are come barnyard grass, blue or green barnyard grass, bald barnyard,
Setaria glauca, Semen Euphorbiae, Herba Digitariae, Herba Eleusines Indicae, Alternanthera philoxeroides, Cyprinus carpio intestinal, Herba monochoriae vaginaliss have unusual good preventive effect, and certain
It is very safe to Oryza sativa L. under using dosage.
The present invention uses skill to the Herbicidal combinations containing cyhalofop-butyl, the different monooctyl ester of fluroxypyr and dichloro quinolinic acid
Art has made intensive studies, and through lot of experiments, completes the present invention.This invention is expected to solve current rice terrace, and to prevent and kill off field miscellaneous
Careless dispenser dosage is big, access times are more, pesticide residues are serious, resistant biotypes weeds are difficult prevents this present situation.
The content of the invention
The invention provides a kind of Synergistic herbicidal comprising cyhalofop-butyl, the different monooctyl ester of fluroxypyr and dichloro quinolinic acid
Compositionss, it is characterised in that：The different monooctyl ester of effective ingredient cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid weight are than 1～6:1
～3：3～6.The different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid total weight percent in the composition is 5%
～55%, remaining is to allow to use and acceptable auxiliary element in pesticide.
The Herbicidal combinations of the present invention, it is characterised in that prevent and kill off paddy field weed.
The Herbicidal combinations of the present invention, it is characterised in that prevent and kill off rice terrace barnyard grass, west and come barnyard grass, blue or green barnyard grass, bald barnyard, golden Canis familiaris L.
Tail grass, Semen Euphorbiae, Herba Digitariae, Herba Eleusines Indicae, Alternanthera philoxeroides, Cyprinus carpio intestinal, Herba monochoriae vaginaliss.
Herbicidal combinations of the present invention can be according to well known to a person skilled in the art method, auxiliary from suitable pesticidal preparations
Co-ingredients, can be processed into and dispersible the application used in the suitable agricultural production such as oil-suspending agent, suspended emulsion, wettable powder
Dosage form.
Auxiliary element used in the present invention includes emulsifying agent, synergist, suspending agent, preservative etc..Wherein, the emulsifying
Agent can be calcium dodecyl benzene sulfonate, styrylphenol polyoxyethylene ether, alkylaryl polyoxyethylene poly-oxygen propylene aether, castor
The skill in the art such as Oleum Sesami polyoxyethylene ether, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene phosphate ester
Emulsifying agent known to art personnel；Suspending agent can be organobentonite, xanthan gum etc.；Described synergist can include but not limit
In poly- trisiloxanes, fatty alcohol-polyoxyethylene ether, succinic acid di-isooctyl sulfonate；Solvent can include but are not limited to Semen sojae atricolor
Oil, methyl oleate, methyl naphthalene higher aliphatic hydrocarbon ils, aromatic hydrocarbons S-150 solvent naphthas；The preservative is sodium benzoate, Kazon etc..
The addition of all auxiliary elements is all the auxiliary agent commonly used in Pesticide formulation, and concrete composition and consumption are according to recipe requirements and examination
Test to determine.
Auxiliary element used of the invention is environmentally friendly type, and poison will not be being brought to crop, fish and shrimp, water body etc. using process
Evil.
The usage frequency and usage amount of Herbicidal combinations of the present invention with plant growth, weeds occur, Changes in weather and have
A small amount of change, can reach the purpose of effective preventing and treating by using appropriate dosage.
The present invention has advantages below, (one)：Three kinds of the different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid have
Effect composition compounding, barnyard grass, blue or green barnyard grass, bald barnyard, Setaria glauca, Semen Euphorbiae, Herba Digitariae, Herba Eleusines Indicae, hollow is carried out to rice terrace barnyard grass, west
Alternanthera sessilis (L.) DC., Cyprinus carpio intestinal, Herba monochoriae vaginaliss preventive effect highly significant.Antagonism biotype west is come barnyard grass, blue or green barnyard grass, bald barnyard and is prevented and kill off with bright
Aobvious synergistic function, can disposably prevent and kill off rice terrace annual grassy weeds；(2)：Cyhalofop-butyl, fluroxypyr are different pungent
Three kinds of effective ingredient compoundings of ester and dichloro quinolinic acid, the mechanism of action is different, can delay the generation of herbicide resistance；(3)：
Three kinds of effective ingredient compoundings of the different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid, reduce the using dosage of pesticide
And access times, use cost is reduced, alleviate the pollution to environment.
The present invention Herbicidal combinations apply convenience, low cost, to rice safety, its popularization and application have huge economy with
Social benefit.
Specific embodiment
In order that technical scheme, purpose and advantage become more apparent, the present invention is embodied as with following
Example is illustrated, but the present invention not limits to these examples.
Formulation Example
Effective ingredient is former using 95% cyhalofop-butyl active compound, the different monooctyl ester of 95% fluroxypyr in following examples
Medicine, 96% dichloro quinolinic acid active compound, each component percentage composition is weight percentage.Above active compound and auxiliary element are by Zhejiang
The rich research and development department of Biology Science Co., Ltd of the sky over the river provides.
Embodiment 1：The different monooctyl ester dichloro quinolinic acid of 23% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(10:3:10)
Cyhalofop-butyl 10%, the different monooctyl ester 3% of fluroxypyr, dichloro quinolinic acid 10%, calcium dodecyl benzene sulfonate
8%, castor oil polyoxyethylene ether 6%, alkylaryl polyoxyethylene poly-oxygen propylene aether 4%, poly- trisiloxanes 5%, methyl oleate
20%, aromatic hydrocarbons S-150 solvent naphtha surpluses.By above-mentioned all the components in the ratio mix homogeneously.Reach through sand milling particle diameter
3um, can be prepared by the different monooctyl ester dichloro quinolinic acid of 23% cyhalofop-butyl fluroxypyr and dispersibles oil-suspending agent.
Embodiment 2：The different monooctyl ester Dichloroquinolinic acid suspending agent (8 of 20% cyhalofop-butyl fluroxypyr:2:10)
Cyhalofop-butyl 8%, the different monooctyl ester 2% of fluroxypyr, dichloro quinolinic acid 10%, sodium lignin sulfonate 7%, 12
Alkyl sodium sulfate 2%, xanthan gum 2%, ethylene glycol 4%, organic silicon defoamer 0.1%, water add to 100%.Above material is pressed
Ratio is put into sand mill grinding, and particle diameter reaches 3-5 microns, you can the different monooctyl ester of 20% cyhalofop-butyl fluroxypyr is obtained
Dichloroquinolinic acid suspending agent.
Embodiment 3：The different monooctyl ester dichloro quinolinic acid of 28% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(12:5:11)
Cyhalofop-butyl 12%, the different monooctyl ester 5% of fluroxypyr, dichloro quinolinic acid 11%, calcium dodecyl benzene sulfonate
5%, castor oil polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block copolymer 3%, organic silicon defoamer 0.1% is organic
Bentonite 3%, soybean oil supplies 100%.By above-mentioned each composition according to the ratio mix homogeneously, the grinding of Jing horizontal sand mills makes
Resulting material mean diameter is less than 5 microns.Can be prepared by the different monooctyl ester dichloroquinoline of 28% cyhalofop-butyl fluroxypyr
Acid dispersibles oil-suspending agent.
Embodiment 4：The different monooctyl ester dichloro quinolinic acid of 30% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(12.5:5:12.5)
Cyhalofop-butyl 12.5%, the different monooctyl ester 5% of fluroxypyr, dichloro quinolinic acid 12.5%, DBSA
Calcium 8%, styrylphenol polyoxyethylene ether 7%, fatty alcohol-polyoxyethylene ether 3%, organobentonite 3%, methyl oleate is mended
Foot 100%.By above-mentioned each composition according to the ratio mix homogeneously, the grinding of Jing horizontal sand mills makes resulting material mean diameter little
In 5 microns.Can be prepared by the different monooctyl ester dichloro quinolinic acid of 30% cyhalofop-butyl fluroxypyr and dispersible oil-suspending agent.
Embodiment 5：The different monooctyl ester dichloro quinolinic acid suspension emulsion (9 of 24% cyhalofop-butyl fluroxypyr:4:11)
Cyhalofop-butyl 9%, the different monooctyl ester 4% of fluroxypyr, dichloro quinolinic acid 11%, polyoxyethylene polyoxypropylene block
Copolymer 3%, fatty alcohol-polyoxyethylene ether 4%, organic silicon defoamer 0.2%, xanthan gum 0.15%, Propylene Glycol 5%, benzoic acid
Sodium 0.1%, aromatic hydrocarbons S-150 solvent naphthas 20%, water surplus.After mentioned component is weighed according to the ratio, material is entered
Row sand milling, detection particle diameter reach 5um both can, then high speed shear 30min, you can make 24% cyhalofop-butyl fluroxypyr
Different monooctyl ester dichloro quinolinic acid suspension emulsion.
Embodiment 6：The different monooctyl ester dichloro quinolinic acid suspension emulsion (10 of 25% cyhalofop-butyl fluroxypyr:4:11)
Cyhalofop-butyl 10%, the different monooctyl ester 4% of fluroxypyr, dichloro quinolinic acid 11%, castor oil polyoxyethylene ether
3%, alkylphenol polyoxyethylene phosphate ester 2%, polyoxyethylene polyoxypropylene block copolymer 1.5%, xanthan gum 0.1%, virtue
Hydrocarbon S-150 solvent naphthas 25%, organobentonite 3%, Kazon 0.1%, Propylene Glycol 4%, organic silicon defoamer 0.2%, more than water
Amount.After mentioned component is weighed according to the ratio, material is carried out into sand milling, particle diameter reaches and carry out again after 5um high speed shear
30min.Can be prepared by the different monooctyl ester dichloro quinolinic acid suspension emulsion of 25% cyhalofop-butyl fluroxypyr.
Indoor biological determination of activity embodiment.
By the way of indoor biometricses, if no special instructions, ratio mentioned below is weight to the effect experimental of the present invention
Percentage ratio.
Test name：Combine poison in the different proportion room of the different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid
Power is tested.
Reagent agent：95% cyhalofop-butyl active compound, the different monooctyl ester of 95% fluroxypyr, 96% dichloro quinolinic acid active compound,
Above active compound is provided by research and development department of Zhejiang Tianfeng Biological Science Co., Ltd..
Test target：Barnyard grass (Echinochloa crusgalli var.Zelayensis) is carried out in west, and seed collection is in Shanghai
Songjiang District of city, dries, and 4 degrees Celsius of constant temperature preserve stand-by.
Equipment：Beaker, electronic balance, liquid-transfering gun, spray tower (Nanjing Agriculturing Mechanization Inst., Ministry of Agriculture, 3WPSH-
500D, atomisation pressure 3.0kg/cm3)
Experimental technique：Using potted plant cauline leaf process method (NY/T155.4.2006)：In polypots (15cm*11cm*7cm)
The amount of setting air-dries fine earth, will sow in polypots body for trying target seed, broadcasts rear fine earth and covers thickness 0.2cm.It is positioned over greenhouse
Interior culture, the daily moisturizing by the way of bottom-irrigating keeps ground moistening.Treat that target length is carried out at stem and leaf spraying to the of the right age phase
Reason, often processes and is repeated 4 times, and sets the process without medicament as control.Material is tried after process and is positioned over warmhouse booth culture, periodically seen
Target target victimization state is examined, target damage symptoms and growth inhibited situation are estimated after 3 days, and claim aerial partss fresh weight, calculated
Fresh weight inhibition is i.e. to target weeds preventive effect.
Medicament configuration and design：First weigh the cyhalofop-butyl active compound of constant weight, the different monooctyl ester active compound of fluroxypyr, two
Chloro-quinolinic acid active compound, is fully dissolved from suitable organic solvent, is then configured to the dilution of 0.1% Tween 80 aqueous solution again
Single dose mother solution, according to mixture purpose serial proportioning is arranged, and each proportioning arranges 7-9 Concentraton gradient.
The drug concentration gradient design table of table 1
| Numbering | Herbicide | Medicament gradient g.a.i/ha |
| 1 | 95% cyhalofop-butyl TC | 15、30、45、60、75、90、105 |
| 2 | The different monooctyl ester TC of 95% fluroxypyr | 30、60、90、120、150、180、210 |
| 3 | 96% dichloro quinolinic acid TC | 60、120、180、240、300、360、420 |
| 4 | Cyanogen fluorine：Chlorine fluorine：Dichloro 10：6：18 | 30、60、90、120、150、180、210、240 |
| 5 | Cyanogen fluorine：Chlorine fluorine：Dichloro 15：7：20 | 30、60、90、120、150、180、210、240 |
| 6 | Cyanogen fluorine：Chlorine fluorine：Dichloro 12：4：16 | 30、60、90、120、150、180、210、240 |
| 7 | Cyanogen fluorine：Chlorine fluorine：Dichloro 12：8：18 | 30、60、90、120、150、180、210、240 |
| 8 | Cyanogen fluorine：Chlorine fluorine：Dichloro 10：3：10 | 30、60、90、120、150、180、210、240 |
| 9 | Cyanogen fluorine：Chlorine fluorine：Dichloro 8：2：10 | 30、60、90、120、150、180、210、240 |
| 10 | Cyanogen fluorine：Chlorine fluorine：Dichloro 12：5：10 | 30、60、90、120、150、180、210、240 |
| 11 | Cyanogen fluorine：Chlorine fluorine：Dichloro 12.5：5：12.5 | 30、60、90、120、150、180、210、240 |
| 12 | Cyanogen fluorine：Chlorine fluorine：Dichloro 9：4：11 | 30、60、90、120、150、180、210、240 |
| 13 | Cyanogen fluorine：Chlorine fluorine：Dichloro 10：4：11 | 30、60、90、120、150、180、210、240 |
According to investigation statisticses, calculate fresh weight inhibition (%)
Fresh weight inhibition (%)=(control fresh weight-process fresh weight)/control fresh weight * 100%
Co-toxicity coefficient method：Using DPS data processing softwares, according to fresh weight inhibition, single dose cyhalofop-butyl, chlorine fluorine pyrrole are obtained
The virulence regression equation of the different monooctyl ester of fluoroacetic acid, dichloro quinolinic acid and 10 groups of Ternary preparations, LC50 values and co-toxicity coefficient
CTC.Co-toxicity coefficient CTC is expressed as potentiation more than 120, and antagonism is expressed as less than 80, and phase is expressed as between 80～120
Plus effect.
The different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid mixture antagonism biotype west are carried out the joint of barnyard grass and are made
2 are shown in Table with result of the test.
The connection of barnyard grass is carried out in the cyhalofop-butyl of table 2, the different monooctyl ester of fluroxypyr and dichloro quinolinic acid mixture antagonism biotype west
Cooperation is used.
According to the abundant co-toxicity coefficient methods of Sun Yun, co-toxicity coefficient CTC is more than 120, with synergistic function, and CTC numerical value
Bigger, synergistic function is more notable.Such as table 2,10 ternarys of the different monooctyl ester of cyhalofop-butyl, fluroxypyr and dichloro quinolinic acid
Mixture combination antagonism biotype west carrys out the fresh weight of barnyard grass and has obvious inhibitory action, synergistic function highly significant.
(3) field efficacy checking example
Application Example 1：Prevent and kill off the direct sowing of rice field weed test of pesticide effectiveness：
Test medicine：
(1) embodiment 1：The different monooctyl ester dichloro quinolinic acid of 23% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(10:3:10)
(2) embodiment 2：The different monooctyl ester Dichloroquinolinic acid suspending agent (8 of 20% cyhalofop-butyl fluroxypyr:2:10)
(3) embodiment 3：The different monooctyl ester dichloro quinolinic acid of 28% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(12:5:11)
(4) embodiment 4：The different monooctyl ester dichloro quinolinic acid of 30% cyhalofop-butyl fluroxypyr dispersibles oil-suspending agent
(12.5:5:12.5)
(5) embodiment 5：The different monooctyl ester dichloro quinolinic acid suspension emulsion (9 of 24% cyhalofop-butyl fluroxypyr:4:11)
(6) embodiment 6：The different monooctyl ester dichloro quinolinic acid suspension emulsion (10 of 25% cyhalofop-butyl fluroxypyr:4:
11)
(7) comparison medicament 1：10% cyhalofop-butyl missible oil
(8) comparison medicament 2：200g/L fluroxypyr cream
(9) comparison medicament 3：60% dichloro quinolinic acid can wet-milling
Above medicament is provided by research and development department of Zhejiang Tianfeng Biological Science Co., Ltd..
Trial crops and object：In Changsha Wangcheng County, the region rice terrace is reached test and Selection using herbicide history
As long as many decades, Weed Resistance is strong difficult anti-；Soil fertility is unanimously medium；Experimental field rice varieties：Stalk rice, long-grained nonglutinous rice；Planting patternss：
Direct sowing on dry paddy field；Field main weeds have Semen Euphorbiae, Herba monochoriae vaginaliss, west to carry out the resistant biotypes weeds such as barnyard grass, Paspalum distichum crop smothering
It is raw serious.
3 repetitions are set per test medicine to process, totally 30 process cells, often process plot area 20m2, random district's groups row
Row.Set artificial weeding and clear water control treatment simultaneously.
Each medicament is watered 30 kilograms for per mu by test dose, and Oryza sativa L. was in for 3 leaf phases, and uniform stem and leaf spraying treatment is in each little
Area.
Investigation after experimental investigation process calculates 15 days to weeds strain preventive effect and 30 days fresh weight preventive effects to weeds.
Preventive effect (%)=[blank control group weeds strain number (fresh weight)-treatment group weeds strain number (fresh weight)]/blank control group
Weeds strain number (fresh weight) * 100.
According to investigation, 7 days after Oryza sativa L. medication, visual test medicament (1～embodiment of embodiment 6) is to obstructing rice and long-grained nonglutinous rice
Very well, paddy growth is normal for safety, has no that rice leaf such as is burnt, turns to be yellow, withering at the abnormal phenomena.As can be seen here the present invention exists
To obstructing rice and long-grained nonglutinous rice safety in the range of certain dosage.
Table 3：15 days each test medicines are to the various weeds strain preventive effects in field after medicine
Table 4：30 days each test medicines are to weeds in field fresh weight efficiency test result after medicine
From table 3 and table 4,1～embodiment of example of formulations 6 comes barnyard grass, Herba monochoriae vaginaliss and Paspalum distichum etc. to Semen Euphorbiae, west
Weeds are respectively provided with good prevention effect, process and compare with comparison medicament, artificial weeding and blank, and it is to weeds
Preventive effect highly significant, and with preferable quick-acting and lasting effect.The cyhalofop-butyl of the other present invention. fluroxypyr is different
Monooctyl ester. dichloro quinolinic acid herbicidal composition also overcomes the narrow problem of weed control spectrum existing for corresponding single dose, the weeding of the present invention
Compositionss have not only greatly spread weed control spectrum, just can effectively be killed by a dispenser common various miscellaneous in rice terrace
Grass, and resistance barnyard grass, resistance Semen Euphorbiae, Paspalum distichum, Herba Digitariae, Herba monochoriae vaginaliss, the hollow lotus to generally comparing difficult preventing and treating at present
The grass family such as sub- grass and broad leaved weed are respectively provided with more satisfactory prevention effect.
Additionally, being compared to single dose, Herbicidal combinations of the present invention can reduce the using dosage of herbicide and repeat to apply
The number of times of medicine, had both saved use cost, while the occurrence and development of Weed Resistance can also effectively be delayed.In the medication that this is tested
In the range of, it is environmentally friendly to rice safety.
Obviously, described embodiment is only a part of embodiment of the present invention, rather than the embodiment of whole.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Claims (4)
1. a kind of synergistic herbicidal compositions comprising cyhalofop-butyl, the different monooctyl ester of fluroxypyr and dichloro quinolinic acid, its feature
It is：Effective ingredient is cyhalofop-butyl, the different monooctyl ester of fluroxypyr and dichloro quinolinic acid weight than 1～6:1～3：3～6.
2. herbicidal composition according to claim 1, it is characterised in that the different monooctyl ester of cyhalofop-butyl, fluroxypyr and
Three kinds of active component of dichloro quinolinic acid gross weight percentage composition in the composition is 5%～55%.
3. Herbicidal combinations according to claim 1 and 2, it is characterised in that prevent and kill off paddy field weed.
4. Herbicidal combinations according to claim 2 and 3, it is characterised in that prevent and kill off rice terrace barnyard grass, west come barnyard grass, blue or green barnyard grass,
Bald barnyard, Setaria glauca, Semen Euphorbiae, Herba Digitariae, Herba Eleusines Indicae, Alternanthera philoxeroides, Cyprinus carpio intestinal, Herba monochoriae vaginaliss.
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| CN201610927686.8A CN106577671A (en) | 2016-10-31 | 2016-10-31 | Synergistic weeding composition containing cyhalofop-butyl, fluroxypyr-mepthyl and quinclorac |
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| CN201610927686.8A CN106577671A (en) | 2016-10-31 | 2016-10-31 | Synergistic weeding composition containing cyhalofop-butyl, fluroxypyr-mepthyl and quinclorac |
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|---|---|---|---|---|
| US20050282706A1 (en) * | 2004-06-21 | 2005-12-22 | Coret Joel M | Novel esters as useful broad spectrum herbicidal compounds |
| CN101743970A (en) * | 2009-12-24 | 2010-06-23 | 惠州市中迅化工有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN102724876A (en) * | 2009-10-28 | 2012-10-10 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and cyhalofop, metamifop or profoxydim |
| CN103281899A (en) * | 2010-10-27 | 2013-09-04 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and quinclorac |
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2016
- 2016-10-31 CN CN201610927686.8A patent/CN106577671A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050282706A1 (en) * | 2004-06-21 | 2005-12-22 | Coret Joel M | Novel esters as useful broad spectrum herbicidal compounds |
| CN102724876A (en) * | 2009-10-28 | 2012-10-10 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and cyhalofop, metamifop or profoxydim |
| CN101743970A (en) * | 2009-12-24 | 2010-06-23 | 惠州市中迅化工有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN103281899A (en) * | 2010-10-27 | 2013-09-04 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and quinclorac |
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