CN106376576A - Three-ingredient weeding composition - Google Patents
Three-ingredient weeding composition Download PDFInfo
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- CN106376576A CN106376576A CN201610887516.1A CN201610887516A CN106376576A CN 106376576 A CN106376576 A CN 106376576A CN 201610887516 A CN201610887516 A CN 201610887516A CN 106376576 A CN106376576 A CN 106376576A
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- fluroxypyr
- cyhalofop
- herba
- butyl
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- 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
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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 three-ingredient weeding composition and application thereof. Effective active ingredients consist of a first active ingredient of fluroxypyr, a second active ingredient of metamifop and a third active ingredient of cyhalofop-butyl according to a mass ratio of (1 to90): (1 to 90): (1 to 90). The composition can be used for preparing agricultural allowable water dispersible granules, wettable powder, missible oil and dispersible oil suspending agents. The three-ingredient weeding composition has the advantages that the ingredients are reasonable; the weeding effect on paddy field is good; in addition, the activity and the weeding effect are not the simple overlapping effect of the activity of each ingredient. Compared with the existing single-ingredient preparation or two-ingredient compounding preparation, the three-ingredient weeding composition has the advantages that the obvious weeding effect is achieved; in addition, the obvious synergistic effect is achieved; the herbicide controlling spectrum is increased; the weed prevention and removal cost can be reduced; the safety on crops is high.
Description
Technical field
The present invention relates to a kind of rice terrace ternary weeding composition, by active component fluroxypyr, azole amide
With cyhalofop-butyl and auxiliary agent composition, belong to technical field of compounded pesticide.
Background technology
Fluroxypyr, English name is fluroxypyr, and chemical name is：The fluoro- pyrrole of the chloro- 6- of 4- amino -3,5- two
Pyridine -2- pyridine fluoroacetic acid 1- methyl-heptyl ester.Inner sucting conduction type herbicide after seedling.It is absorbed by plants quickly after medicine, make sensitive plant
The reaction of classical hormones class herbicide, plant deformity, distortion in thing.Temperature no affects on the final effect of its weeding, but shadow
Ring the speed that its drug effect plays.Typically when temperature is low, drug effect plays relatively slowly, stops growing after can making dunsiekte, but not immediately
Dead；After temperature raises, plant is dead quickly.In soil, leaching is not notable, and major part is distributed in 0-10 centimetre of topsoil
In, under conditions of aerobic, it is degraded into the non-poisonous materials such as 2- pyridine alcohol, half-life in soil quickly in the effect of soil microorganism
Shorter, impact will not be produced on lower stubble broad leaf crop.
Azole amide, is benzene pyrazoles oxadiazon again, and English name is metamifop, and chemical name is：(R)-2-{4-
[(6- chloro- 2- benzo) oxygen] phenoxy group }-N- (2- fluorophenyl-N- methyl propanamide).It is to be developed by Korea S Chemical Engineering Technology academy
Aryloxyphenoxypropanoates class herbicide, can be fabulous prevent and kill off most of annual gramineous weeds, with most of such weedings
Unlike agent, metamifop, to rice safety, can effectively prevent and kill off rice terrace main weeds, such as barnyard grass, Semen Euphorbiae, Herba Digitariae and
Herba Eleusines Indicae, is mainly used in transplanting and direct sowing rice field weeding.
Cyhalofop-butyl, English name cyhalofop-butyl, chemical name is：(R) -2- [4 (4- cyano group -2- fluorobenzene oxygen
Base) phenoxy group]-butyl propionate.Cyhalofop-butyl is that uniquely have tight security to Oryza sativa L. in fragrant phenoxy phenoxy propionic acid herbicide
Kind, be Uptake and translocation herbicide.Absorbed by the blade and sheath of plant, phloem conducts, and accumulates in plant
Meristem zone, resists acetyl-CoA carboxylase, so that fatty acid is synthesized and stops, and the growth division of cell can not be normally carried out, film
The structural deteriorations containing fat such as system, finally result in Plant death.
Applicant finds through retrieval, does not still have fluroxypyr, azole amide and cyhalofop-butyl three to compound at present
Compositionss patent.Simultaneously through long-term test it was unexpectedly observed that by fluroxypyrs different for the mechanism of action, azoles acyl
Careless amine and cyhalofop-butyl compound, to barnyard grass, Herba Digitariae, Semen Euphorbiae, rice Leersia Sw, Herba Setariae Viridis, Herba monochoriae vaginaliss, Alternanthera philoxeroides, Flos Caryophylli
Knotweed, ear leaf water Herba Amaranthi tricoloriss etc. have obvious potentiation, significantly improve the preventing and treating to rice terrace grassy weed and broad leaved weed
Effect, expands weed control spectrum, reduces cost accounting, improves to crop safety.
Content of the invention
It is an object of the invention to provide a kind of component is rationally, drug cost is low, and potentiation is notable, and herbicidal effect is good,
Preventing and treating spectrum is wide, the ternary weeding composition to crop safety.
Another object of the present invention is to providing above-mentioned ternary weeding composition preparation formulation.
It is still another object of the present invention to provide above-mentioned composition is on preventing and treating rice terrace grassy weed and broad leaved weed
Application.
For the defect overcoming existing unitary agent or two-spot to compound, the technical scheme of Herbicidal combinations of the present invention is so
Solve：
A）First active component fluroxypyr；
B）Second active component azole amide；
C）3rd active component cyhalofop-butyl.
First active component, the second active component and the 3rd active component mass ratio are（1～90）：（1～90）：（1～
90）.
A kind of ternary weeding composition of the present invention can be prepared according to the method well known to those skilled in the art of the present technique
Preparation formulation is wettable powder, water dispersible granules, cream, dispersibles oil-suspending agent.
To wettable powder, spendable auxiliary agent has：Dispersant such as polycarboxylate, lignosulfonates, polyoxyethylene gather
Oxypropylene group ether block copolymers, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, poly alkyl alcohol
One or more of oxygen ethylene ether phosphate, alkylphenol-polyethenoxy base ether sulfonate etc.；Wetting agent such as alkyl sulfate, alkane
One or more of base sulfonate, alkylnaphthalene sulfonate etc.；Filler such as ammonium sulfate, carbamide, sucrose, glucose, kieselguhr, height
One or more of ridge soil, white carbon, fine particle calcium carbonate, Pulvis Talci, attapulgite, potter's clay etc..
To water dispersible granules, spendable auxiliary agent has：Dispersant such as polycarboxylate（TERSPERSE 2700、T36、GY-
D06 etc.）, lignosulfonates, one or more of alkylnaphthalene sulfonate etc.；Wetting agent such as alkyl sulfate, alkyl sulfonic acid
One or more of salt, naphthalene sulfonate etc.；Disintegrating agent such as ammonium sulfate, sodium sulfate, Polyvinylpyrrolidone, starch and its derivative
One or more of thing, bentonite etc.；Binding agent such as starch, glucose, polyvinyl alcohol, Polyethylene Glycol, carboxymethyl cellulose
One or more of sodium, sucrose etc.；Filler such as kieselguhr, Kaolin, white carbon, fine particle calcium carbonate, Pulvis Talci, attapulgite, potter's clay
One or more of Deng.
To cream, spendable auxiliary agent has：Agent such as calcium dodecyl benzene sulfonate（Agriculture breast 500#）, Nongru-700 #, agriculture breast
2201st, this disk -60#, emulsifying agent T-60（Common name：Anhydrous sorbitol single-hard ester acid ester polyoxyethylene ether）、TX-10（Common name：
Octyl phenol polyoxyethylene（10）Ether）, agriculture breast 1601#, agriculture breast 600#, agriculture breast 400#；Solvent such as dimethylbenzene, solvent naphtha（S-150、
S-180、S-200）, toluene, biodiesel, methylated vegetable oil, N-Methyl pyrrolidone；Cosolvent for example ethyl acetate, methanol,
Dimethylformamide, Ketohexamethylene, acetone, butanone；Stabilizer such as triphenyl phosphite, epoxychloropropane, acetic anhydride.
To dispersibling oil-suspending agent, spendable auxiliary agent has：Dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene
Sulfonate（Dispersing agent NNO）、TERSPERSE 2020（Huntsman Corporation of U.S. HUNTSMAN produces, alkyl naphthalene sulfonic acid salt）Deng
One or more of；Emulsifying agent such as BY（Castor oil polyoxyethylene ether）Serial emulsifying agent（BY-110、BY-125、BY-140）、
Nongru-700 #（Alkyl phenol formaldehyde resin polyoxyethylene ether）, agriculture breast 2201, this disk -60#（Sorbitan monostearate）, tell
Temperature -60#（Sorbitan monostearate polyoxyethylene ether）, agriculture breast 1601#（Phenethyl phenol polyoxyethylene polyoxypropylene
Ether）、TERSPERSE 4894（Huntsman Corporation of the U.S. produces）One or more of Deng；Wetting agent such as alkylphenol-polyethenoxy
Base ether formaldehyde condensation products sulfate, alkylphenol polyoxyethylene phosphate ester, phenethyl phenol polyoxyethylene groups ether phosphate, alkyl sulfide
Hydrochlorate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500（Huntsman Corporation of the U.S. produces）One or more of Deng；
Thickening agent such as one or more of white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate etc.；Antifreezing agent such as ethylene glycol, the third two
One or more of alcohol, glycerol, carbamide, inorganic salts such as sodium chloride etc.；Disperse medium for example soybean oil, Oleum Brassicae campestriss, little wheat oil,
One or more of methyl oleate, diesel oil, machine oil, mineral oil etc..
Rationally, herbicidal effect is good, and drug cost is low for instant component, and its activity and herbicidal effect are not each composition activities
Simple superposition, but have significant potentiation, can expand control of weeds spectrum, delaying drug resistance, good to crop safety, meet
The security requirement of pesticidal preparations.The present invention is to rice terrace barnyard grass, Herba Digitariae, Semen Euphorbiae, rice Leersia Sw, Herba Setariae Viridis, Herba monochoriae vaginaliss, sky
Heart Alternanthera sessilis (L.) DC., Herba Ludwigiae Prostratae, ear leaf water Herba Amaranthi tricoloriss have good prevention effect.
Specific embodiment
To illustrate that fluroxypyr, azole amide and cyhalofop-butyl compound to Oryza sativa L. below by Toxicity Determination
Field grassy weed and the potentiation of broad leaved weed.
In order to prevent and treat rice terrace grass family and broad leaved weed, we are with fluroxypyr, azole amide and cyanogen fluorine grass
The potentiation research that ester is mutually compounded, test method reference《People's Republic of China (PRC) agricultural industry criteria NY/
T1155.4 2006 farm-chemical indoor determination test rule herbicide the 4th part：Active determination test stem and leaf nebulization》
With《People's Republic of China (PRC) agricultural industry criteria NY/T1155.7 2006 farm-chemical indoor determination test rule herbicide
7th part：The synergy of mixture measures》.
Subjects are rice direct seeding field grassy weed barnyard grass（Echinochloa crusgalli）, Herba Digitariae
（Digitaria sanguinalis）, Semen Euphorbiae（Leptochloachinensis）, rice Leersia Sw
（Leersiahexandra）, wealthy open country weeds Herba monochoriae vaginaliss（Monochoria vaginalis）, Alternanthera philoxeroides
（Alternanthera Philoxeroides）, Herba Ludwigiae Prostratae（Ludwigia prostrata）.
Active compound is configured to the test medicine needing, first single dose and each compound drug is arranged 5 variable concentrations gradients
（On the basis of pilot study result, different according to dosages distribution, Concentraton gradient setting is also different, rate of preventing and kill off 5%～
Press geometric progressions in the range of 90% to set）.If clear water compares, it is repeated 4 times.Weeds were in for 2～3 leaf phases, from low dosage to high agent
Amount carries out spraying treatment respectively.It is placed in warm indoor cultivation after process to observe, with the bottom infiltrating irrigation mode moisturizing of basin alms bowl.
Process the rear fresh weight preventive effect calculating each chemicals treatment for 21 days, by the probit value of preventive effect and the logarithm value of series concentration
Between linear regression analyses, obtain the ED of each medicament50Value, calculates the co-toxicity coefficient of mixture with the abundant method of Sun Yun（CTC）, come with this
Evaluate the activity to weeds for the reagent agent.
Co-toxicity coefficient CTC >=120 of complex preparation show as potentiation；CTC≤80 show as antagonism；80 ＜
CTC ＜ 120 shows as summation action.
Table 1 fluroxypyr, the synergy to barnyard grass of azole amide and cyhalofop-butyl combination
Table 2 fluroxypyr, the synergy to Herba Digitariae of azole amide and cyhalofop-butyl combination
Table 3 fluroxypyr, the synergy to Semen Euphorbiae of azole amide and cyhalofop-butyl combination
Table 4 fluroxypyr, the synergy to rice Leersia Sw of azole amide and cyhalofop-butyl combination
Table 5 fluroxypyr, the synergy to Herba monochoriae vaginaliss of azole amide and cyhalofop-butyl combination
Table 6 fluroxypyr, the synergy to hollow Semen Nelumbinis of azole amide and cyhalofop-butyl combination
Table 7 fluroxypyr, the synergy to Herba Ludwigiae Prostratae of azole amide and cyhalofop-butyl combination
Toxicity Determination result shows：Fluroxypyr, azole amide and cyhalofop-butyl according to（1～90）：（1～
90）：（1～90）Ratio is used with, to grassy weed barnyard grass, Herba Digitariae, Semen Euphorbiae, rice Leersia Sw, to broad leaved weed Herba monochoriae vaginaliss, sky
Heart Alternanthera sessilis (L.) DC., Herba Ludwigiae Prostratae all have preferable virulence, and potentiation is obvious.
In order to the present invention is better described, with reference to embodiment, present invention is described further, in formula
Percentage ratio is all weight percentage.
Example of formulations 1
Weigh 6% fluroxypyr, 9% azole amide, 20% cyhalofop-butyl, 6% alkyl naphthalene formaldehyde condensation substance sulfoacid calcium,
3% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 3% Negel, 4% attapulgite, potter's clay adds to 100% weight portion.On
State raw material blended, 35% fluroxypyr azole amide cyhalofop-butyl wettable powder after comminution by gas stream, is obtained.
Example of formulations 2
Weigh 5% fluroxypyr, 10% azole amide, 25% cyhalofop-butyl, 8% alkyl naphthalene formaldehyde condensation substance sulfoacid calcium,
3% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 4% sodium alkyl sulfonate, 5% fine particle calcium carbonate, attapulgite adds to 100% weight portion.Above-mentioned
Raw material is blended, and 40% fluroxypyr azole amide cyhalofop-butyl wettable powder is obtained after comminution by gas stream.
Example of formulations 3
Weigh 10% fluroxypyr, 25% azole amide, 15% cyhalofop-butyl, 5% sodium lignin sulfonate, 5% polycarboxylic acids
Sodium, 4% sodium alkyl sulfonate, 5% White Carbon black, Kaolin adds to 100% weight portion.Above-mentioned raw materials are blended, are obtained after comminution by gas stream
50% fluroxypyr azole amide cyhalofop-butyl wettable powder.
Example of formulations 4
Weigh 6% fluroxypyr, 24% azole amide, 20% cyhalofop-butyl, 6% Negel, 6% polycarboxylic acids
Sodium, 5% dodecylbenzene sodium sulfonate, 5% sodium naphthalene sulfonate, 3% sodium carboxymethyl cellulose, 5% sodium sulfate, attapulgite adds to
100% weight portion.The frequent regulation of above-mentioned raw materials fetch water dispersible granule method mix, ultra micro comminution by gas stream, mixing, pelletize walk
Suddenly produce 50% fluroxypyr azole amide cyhalofop-butyl water-dispersible granule.
Example of formulations 5
Weigh 5% fluroxypyr, 15% azole amide, 10% cyhalofop-butyl, 7% polycarboxylate T36,6% dodecyl
Sodium sulfate, 2% sodium alkyl sulfonate, 4% Polyethylene Glycol, white carbon adds to 100% weight portion.Above-mentioned raw materials frequent regulation water intaking point
The method of shot agent mixes, ultra micro comminution by gas stream, mixing, granulation step produce 30% fluroxypyr azoles acyl grass
Amine cyhalofop-butyl water-dispersible granule.
Example of formulations 6
Weigh 4% fluroxypyr, 30% azole amide, 26% cyhalofop-butyl, 3% polycarboxylate GY-D06,5% dodecane
Base sodium sulfate, 4% sodium alkyl sulfonate, 1.5% polyvinyl alcohol, potter's clay adds to 100% weight portion.The frequent regulation of above-mentioned raw materials is fetched water
The method of dispersible granule mixes, ultra micro comminution by gas stream, mixing, granulation step produce 60% fluroxypyr azoles acyl grass
Amine cyhalofop-butyl water-dispersible granule.
Example of formulations 7
Weigh 5% fluroxypyr, 11% azole amide, 14% cyhalofop-butyl, 7% agriculture breast 500#, 2% Nongru-700 #, 5% agriculture
Newborn 1601#, 3% dimethylformamide, 2% epoxychloropropane, toluene adds to 100% weight portion.Above-mentioned raw materials are blended, and stirring is molten
Solution is obtained 30% fluroxypyr azole amide cyhalofop-butyl missible oil completely afterwards.
Example of formulations 8
Weigh 8% fluroxypyr, 12% azole amide, 15% cyhalofop-butyl, 3% Nongru-700 #, 5% agriculture breast 2201,5% this
Disk -60#, 2% Ketohexamethylene, 2% triphenyl phosphite, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials are blended, and stirring and dissolving is complete
35% fluroxypyr azole amide cyhalofop-butyl missible oil is entirely obtained afterwards.
Example of formulations 9
Weigh 4% fluroxypyr, 5% azole amide, 16% cyhalofop-butyl, 5% Nongru-700 #, 3% agriculture breast 1601#, 6% this
Disk -60#, 3% Ketohexamethylene, 2% triphenyl phosphite, toluene adds to 100% weight portion.Above-mentioned raw materials are blended, and stirring and dissolving is complete
25% fluroxypyr azole amide cyhalofop-butyl missible oil is obtained afterwards.
Example of formulations 10
Weigh 3% fluroxypyr, 6% azole amide, 12% cyhalofop-butyl, 5% polycarboxylic acids sodium, 5% Emulsifier BY -125,3%
Tween-60 #, 8% agriculture breast 2201,5% alkyl sodium sulfate, 0.3% bentonite, 4% ethylene glycol, Oleum Brassicae campestriss add to 100% weight portion.On
State raw material blended, high speed shear disperses 30min, with 21% fluroxypyr azoles acyl grass is obtained after sand mill sand milling
Amine cyhalofop-butyl dispersibles oil-suspending agent.
Example of formulations 11
Weigh 3% fluroxypyr, 7% azole amide, 15% cyhalofop-butyl, 3% polycarboxylic acids sodium, 4% agriculture breast 1601#, 5% tell
Temperature -60#, 4% this disk -60#, 1% alkyl sodium sulfate, 0.8% bentonite, 5% propylene glycol, little wheat oil adds to 100% weight portion.Above-mentioned
Raw material is blended, and high speed shear disperses 30min, with 25% fluroxypyr azole amide is obtained after sand mill sand milling
Cyhalofop-butyl dispersibles oil-suspending agent.
Example of formulations 12
Weigh 5% fluroxypyr, 15% azole amide, 10% cyhalofop-butyl, 4% Negel, 5% this disk -60#, 6%
Nongru-700 #, 5% sodium naphthalene sulfonate, 0.6% bentonite, 5% glycerol, soybean oil adds to 100% weight portion.Above-mentioned raw materials are blended, high
Speed shearing dispersion 30min, is dispersibled with 30% fluroxypyr azole amide cyhalofop-butyl is obtained after sand mill sand milling
Oil-suspending agent.
Biological Examples：Preventing and treating paddy field weed field control effectiveness test.
Inventor has carried out example of formulations 1 in 2015 in Junichiro Koizumi village of xiangtan, hunan province county（35% fluroxypyr
Azole amide cyhalofop-butyl wettable powder）, example of formulations 4（50% fluroxypyr azole amide cyanogen fluorine
Careless ester water dispersible granules）, example of formulations 7（30% fluroxypyr azole amide cyhalofop-butyl missible oil）, preparation real
Apply example 10（21% fluroxypyr azole amide cyhalofop-butyl dispersibles oil-suspending agent）Preventing and treating paddy field weed field
The test of pesticide effectiveness, demonstrates the prevention effect to paddy field weed for this medicament and the safety to Oryza sativa L..
Test controlling object is rice terrace grassy weed barnyard grass（Echinochloa crusgalli）, Herba Digitariae
（Digitaria sanguinalis）, Semen Euphorbiae（Leptochloachinensis）, rice Leersia Sw
（Leersiahexandra）, wealthy open country weeds Herba monochoriae vaginaliss（Monochoria vaginalis）, Alternanthera philoxeroides
（Alternanthera Philoxeroides）, Herba Ludwigiae Prostratae（Ludwigia prostrata）.During dispenser, Oryza sativa L. is in vertical pin
Phase, weeds are in germination period.Experimental plot physical features is flat, and soil fertility is medium, pH value 7.1.Test medicine and dosage refer to table 8.
Separately set blank, often process 4 repetitions, every cell 30, totally 44 cells, the random district's groups of cell arrange.Using conventional spray
Mist method, mu dispenser liquid 45kg.
Control treatment medicament is：
CK1：12% fluroxypyr azole amide cream（8+4）
CK2：10% fluroxypyr aqueous cyhalofop-butyl emulsion（5+5）
CK3：15% azole amide cyhalofop-butyl dispersibles oil-suspending agent（5+10）
CK4：200g/L fluroxypyr cream
CK5：10% azole amide cream
CK6：20% cyhalofop-butyl dispersibles oil-suspending agent
Paddy field weed field control effectiveness test result prevented and treated by table 8
Remarks：A barnyard grass, b Herba Digitariae, c Semen Euphorbiae, d rice Leersia Sw, e Herba monochoriae vaginaliss, f Alternanthera philoxeroides, g Herba Ludwigiae Prostratae.
Table of field test results is bright, and above example of formulations has good prevention effect, preparation consumption to paddy field weed
By above-mentioned dosage spray 1 time, to the average preventive effects of 50 days after paddy field weed medicine all close to 100% hence it is evident that being better than each comparison medicine
The preventive effect of agent.By to 50 days preventive effect significance difference analysis after medicine, fluroxypyr, azole amide, cyhalofop-butyl group
Close notable with other control treatment preventive effect diversityes.
Security survey：Observe during test, all reagent agents are sent out to rice growth safety, no poisoning phenomenon
Raw.
In sum, the compositionss of the present invention are using three kinds of active component compound schemes, and its activity and herbicidal effect are not
The simple superposition of each composition activity, compared with existing unitary agent or binary built preparation, to multiple grassy weeds and
Broad leaved weed mixes the plot sent out, and has significant preventive effect, and potentiation is notable, can be with delaying drug resistance, and persticide residue is few, safety
Property is good, meets the security requirement of pesticidal preparations.
Claims (4)
1. a kind of ternary weeding composition it is characterised in that：Active component is by fluroxypyr, azole amide and cyanogen fluorine grass
Ester forms, and the mass ratio of fluroxypyr, azole amide and cyhalofop-butyl is（1～90）：（1～90）：（1～90）.
2. according to claim 1 ternary weeding composition it is characterised in that：Described combination dosage form be water dispersible granules,
Wettable powder, cream, dispersible oil-suspending agent.
3. according to claim 1 ternary weeding composition preventing and treating rice terrace grassy weed and broad leaved weed on use
On the way.
4. purposes according to claim 3, paddy field weed includes grassy weed barnyard grass, Herba Digitariae, Semen Euphorbiae, rice Li Shi
Standing grain, Herba Setariae Viridis, broad leaved weed Herba monochoriae vaginaliss, Alternanthera philoxeroides, Herba Ludwigiae Prostratae, ear leaf water Herba Amaranthi tricoloriss.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973916A (en) * | 2017-06-07 | 2017-07-25 | 章寿明 | The Herbicidal combinations of Han You metamifops and its application |
| CN107183027A (en) * | 2017-06-16 | 2017-09-22 | 浙江天丰生物科学有限公司 | Polynary Herbicidal composition for rice field |
| CN109287638A (en) * | 2018-10-15 | 2019-02-01 | 安徽圣丰生化有限公司 | A kind of rice weeding composition containing metamifop |
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| CN107183027A (en) * | 2017-06-16 | 2017-09-22 | 浙江天丰生物科学有限公司 | Polynary Herbicidal composition for rice field |
| CN109287638A (en) * | 2018-10-15 | 2019-02-01 | 安徽圣丰生化有限公司 | A kind of rice weeding composition containing metamifop |
| CN112841189A (en) * | 2021-01-26 | 2021-05-28 | 河南远见农业科技有限公司 | Rice field herbicide and preparation method and application thereof |
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