CN105454268A - Dispersible oil suspension of mesosulfuron-methyl, florasulam and clodinafop-propargyl composite herbicide as well as preparation method of dispersible oil suspension - Google Patents

Dispersible oil suspension of mesosulfuron-methyl, florasulam and clodinafop-propargyl composite herbicide as well as preparation method of dispersible oil suspension Download PDF

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Publication number
CN105454268A
CN105454268A CN201510908529.8A CN201510908529A CN105454268A CN 105454268 A CN105454268 A CN 105454268A CN 201510908529 A CN201510908529 A CN 201510908529A CN 105454268 A CN105454268 A CN 105454268A
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China
Prior art keywords
clodinafop
mesosulfuron
florasulam
propargyl
preparation
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CN201510908529.8A
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Chinese (zh)
Inventor
毛堂富
徐长才
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ANHUI MEILAND AGRICULTURAL DEVELOPMENT Co Ltd
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ANHUI MEILAND AGRICULTURAL DEVELOPMENT Co Ltd
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Priority to CN201510908529.8A priority Critical patent/CN105454268A/en
Publication of CN105454268A publication Critical patent/CN105454268A/en
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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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to the technical field of compounding of pesticides, particularly to a dispersible oil suspension of a mesosulfuron-methyl, florasulam and clodinafop-propargyl composite herbicide as well as a preparation method of the dispersible oil suspension. The composite herbicide is prepared from components in mass by percentage as follows: 0.6% of mesosulfuron-methyl, 0.4% of florasulam and 7.0% of clodinafop-propargyl, and the total content of effective ingredients is 8.0%. The preparation method of the dispersible oil suspension of the composite herbicide comprises steps as follows: all raw and auxiliary materials are pumped into a preparation reactor to be evenly mixed, preliminarily ground by a colloid mill, fine ground by a sand mill and filtered, the suspension rate is controlled to be larger than or equal to 90%, the 75 mu m test sieve passing rate is larger than or equal to 98%, and metering, packaging and warehousing are performed after sampling analysis is qualified. According to the dispersible oil suspension of the mesosulfuron-methyl, florasulam and clodinafop-propargyl composite herbicide as well as the preparation method of the dispersible oil suspension, the mesosulfuron-methyl, the florasulam and the clodinafop-propargyl are compounded, herbicide resistance of weeds can be effectively prevented, various grass and broadleaf weeds which appear simultaneously are controlled through one-time dosage, the labor force is saved, the number of dosage times is reduced, and the cost is reduced.

Description

A kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof
Technical field
The present invention relates to technical field of pesticide of cutting weeds, what specifically relate to a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof.
Technical background
Mesosulfuron is sulfonylurea herbicide, the mechanism of action is that Uptake and translocation arrives each position of weeds, master is absorbed as with weeds cauline leaf, the dispenser phase is wide, can Control Wild oat, alkali thatch, caput grass, lolium temulentum, Annual Ryegrass, candle grass, the most annual gramineous weed of the wheatland such as ox chickweed, shepherd's purse and part broadleaved herb, also have better control effects to most evil property grassy weeds such as bromegrass, Triticum tauschii, couchgrass.
Florasulam is triazolopyrimidine class weed killer herbicide, suppress acetolactate synthestase (ALS), the synthesis of protein is caused to be damaged, thus the mitosis of plant cell is stopped, cell can not complete mitosis, so make its this bulk-growth stop and dead, finally cause Plant death, thus herbicide is thorough, can not recur.Efficacy stability at low temperatures, even still can ensure stable drug effect 2 DEG C time, this point is that other weed killer herbicides are incomparable.Prevent and kill off broad leaved weed for wheat paddock, broad weed-killing spectrum, the most of broad leaved weed of wheatland can be prevented and kill off, comprise the difficult anti-weeds such as clearvers, corn gromwell.
Clodinafop-propargyl is phenoxy carboxylic acid high-efficiency low-toxicity weed killer herbicide, suppress the activity of acetyl-CoA carboxylase in plant corpus, for inner-adsorption conduction-type herbicide, absorbed by the blade in plant corpus and leaf sheath, phloem conducts, accumulate in plant corpus inner meristem, suppress acetyl-CoA carboxylase, fatty acid is synthesized and stops, the growth division of cell can not normally be carried out, membranous system etc., containing fat structural deterioration, finally cause Plant death.Effective especially to pernicious grassy weed, mix with certain proportion with safener, clodinafop-propargyl effectively can be prevented and kill off amur foxtail, be deceived the wheat paddock annual gramineous weed such as grass, hard grass.
But above three kinds of weed killer herbicides are merely able to kill except a part of weeds separately, cannot reach the control efficiency that weeds in field is good.
Summary of the invention
The object of the invention is to the defect overcoming prior art, what provide a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof, adopt mesosulfuron, florasulam and clodinafop-propargyl three mixture, control wheat paddock annual weed.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, the active ingredient dispersibling oil-suspending agent of this compound herbicide is made up of following component according to mass percent:
Mesosulfuron content: 0.6%;
Florasulam content: 0.4%;
Clodinafop-propargyl content: 7.0%.
Preferably, the oil-suspending agent that dispersibles of compound herbicide also comprises content shared by dispersant di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, wetting agent ammonium lauryl sulfate, thickener xanthans and solvent naphtha four kinds of compositions and di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, ammonium lauryl sulfate, xanthans and solvent naphtha and is respectively: 6.0%, 2.0%, 2.0% and 82.0%.
Preferably, the total active constituent content of described mesosulfuron, florasulam and clodinafop-propargyl is 8.0%.
Preferably, by each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, then through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%, after sample analysis is qualified, metering, packaging, warehouse-in.
Beneficial effect
What the object of the present invention is to provide a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof, has the following advantages:
(1), new synergistic effect.The property of medicine effect separately of mesosulfuron, florasulam and clodinafop-propargyl makes a difference mutually, and the synergy produced is all better than the effect of the wherein single agricultural chemicals of any one.Mesosulfuron, florasulam and clodinafop-propargyl mixture, can prevent and overcome weeds and develop immunity to drugs, and extends the service life of said preparation kind.
(2), save labour, water-saving is environmental protection again, and control in time.Can in a drug, simultaneous grass family and broad leaved weed are planted by double Zhiduo County, make repeatedly that repeated farm work is disposable to be completed.Reduce times for spraying, reduce costs.In general, in weeds seasons occurred frequently, being usually that weeds overlap occurs, as prevented and treated single weeds one by one, control number of times must being made to increase.Mesosulfuron, florasulam are mixed with clodinafop-propargyl, play respective advantage, reduce times for spraying, reduce cost of labor, reduce Sichuan, improve crop quality safety.
(3), a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide of the present invention dispersible oil-suspending agent, can be suitable for preventing and treating the wild oat in field, amur foxtail, ox chickweed and Herba Galii Teneri, there is good application value.
Embodiment
Below preferred embodiment of the present invention is described in further detail:
A kind of mesosulfuron florasulam of the present invention clodinafop-propargyl compound herbicide dispersible oil-suspending agent, comprise following raw material: mesosulfuron, florasulam, clodinafop-propargyl.
Other titles of mesosulfuron, florasulam, clodinafop-propargyl, structural formula and basic materialization parameter are as follows:
(1), mesosulfuron,
CIPAC digital code is 663; No. CAS is 208465-21-8; Chemical name is 2-[3-(4,6-dimethoxypyridin-2-base) urea sulphonyl]-4-Methanesulfomide methyl toluate; Relative molecular mass is 503.5.
Biologically active: weeding.
Toxicity rank: belong to low and wait poison.
Chemical property: fusing point is 193.5 ~ 230.5 DEG C; Vapour pressure is 1 × 10 -2mPa (25 DEG C); Solvability (20 DEG C, g/L) is water 6.36; PH is 7.0.
(2), florasulam
CA registration number is 145701-23-1; Chemical name is the fluoro-5-ethyoxyl of 2', 6'-bis--8-fluorine [1,2,4] triazole [1,5-c] pyrimidine-2-sulfonanilide; Relative molecular mass is 359.3.
Biologically active: weeding.
Toxicity rank: belong to low toxicity.
Chemical property: fusing point is 193.5 ~ 230.5 DEG C; Vapour pressure is 1 × 10 -2mPa (25 DEG C); Solvability (20 DEG C, g/L) is water 6.36; PH is 7.0.
(3), clodinafop-propargyl
CIPAC digital code is 683; CAS accession number is 105512-06-9; Chemical name is (R)-2-[4-(the chloro-3-of 5-fluoro-2-pyridine oxygen base) phenoxy group] propionic acid propargyl ester; Relative molecular mass is 349.7.
Biologically active: weeding.
Toxicity rank: belong to low toxicity.
Chemical property: fusing point is 59.5 DEG C; Vapour pressure (25 DEG C) is 3.19 × 10 -6pa; Solvability (g/L, 20 DEG C) is water 4 × 10 -3, acetone 86, toluene >50O, dimethylbenzene 48, methyl alcohol 180, octanol 21, n-hexane 5.
Collocation method (the 0.25m of each treatment agent of mesosulfuron, florasulam, clodinafop-propargyl 2dosage) as shown in table 1 below:
The collocation method table of each treatment agent of table 1 mesosulfuron, florasulam, clodinafop-propargyl
Embodiment 1
Step one: by each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, then through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%
Step 2: after wild oat seed presoaking and germinating, point is sowed at the sectional area 0.25m that earth is housed 2basin in, every basin broadcasts 100, is cultured to wild oat 1 leaf 1 heart stage to process in greenhouse.Spray liquid with the accurate laboratory spray tower of POTTER, spouting liquid is each process 50ml, keeps ground moistening, and establish clear water blank after medicine.Often process repetition 4 times, within after medicine 20 days, take each process wild oat acrial part fresh weight, the inhibition percentage and the remaining wild oat that calculate each process aerial growth are the percentage contrasted, and use the synergy type to wild oat with Gobly method evaluation three.The actual preventive effect of mixe herbicide calculates as follows:
E 0=A × B × C × ... N/100 (N-1)(this test is ternary built, therefore E 0=A × B × C/10000)
In formula:
A is the Weed-control effect of weed killer herbicide 1;
B is the Weed-control effect of weed killer herbicide 2;
C is the Weed-control effect of weed killer herbicide 3;
N is mixed weed killer herbicide kind quantity;
E 0for the Weed-control effect+weed killer herbicide n Weed-control effect of the Weed-control effect+weed killer herbicide 3 of the Weed-control effect+weed killer herbicide 2 of weed killer herbicide 1;
E 1for the actual preventive effect of mixe herbicide, E is observation (100-E 1).
E-E 0>10% is synergistic effect; E-E 0<-10% is antagonism; E-E 0be worth between theoretical value ± 10% be addition.
The composite synergy to wild oat of mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) and the results are shown in Table 2.
The composite synergy to wild oat of table 2 mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) result
Embodiment 2
After amur foxtail seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed 2basin in, all the other are with embodiment 1.The composite synergy to amur foxtail of mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) and the results are shown in Table 3.
The composite synergy to amur foxtail of table 3 mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) result
Embodiment 3
After ox chickweed seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed 2basin in, all the other are with embodiment 1.The composite synergy to ox chickweed of mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) and the results are shown in Table 4.
The composite synergy to ox chickweed of table 4 mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) result
Embodiment 4
After Herba Galii Teneri seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed 2basin in, all the other are with embodiment 1.The composite synergy to Herba Galii Teneri of mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) and the results are shown in Table 5.
The composite synergy to Herba Galii Teneri of table 5 mesosulfuron, florasulam and clodinafop-propargyl measures (after medicine 20d) result
From table 2 ~ table 5 data, the mixture of mesosulfuron, florasulam and clodinafop-propargyl 5 different compound proportions is to the E-E of wild oat 0value is respectively 1.71%, and 4.09%, 7.22%, 5.95%, 3.97%; To the E-E of amur foxtail 0value is respectively 2.83%, and 4.33%, 6.60%, 5.16%, 2.57%; To the E-E of ox chickweed 0value is respectively 1.11%, and 4.52%, 9.43%, 6.33%, 3.62%; The E-E of Herba Galii Teneri 0value is respectively 4.17%, 6.18%, 9.68%, 6.57%, 3.86%, all between ± 10%.Illustrate that the synergy to wild oat, amur foxtail, ox chickweed and Herba Galii Teneri of mesosulfuron, florasulam and clodinafop-propargyl belongs to addition.After mesosulfuron, florasulam and clodinafop-propargyl three mixture, herbicidal spectrum can be complementary, and the synergy of Ternary to wild oat, amur foxtail, ox chickweed and clearvers is addition.Therefore, three's mixture control wheat paddock annual weed is feasible, is also necessary.
Consider production cost, herbicidal effect, synergy situation, carry out product composite produce time select the ratio of mesosulfuron, florasulam and clodinafop-propargyl active ingredient to be that the ratio of 0.24:0.16:2.8 (3:2:35) is carried out composite, total active constituent content is 8%.
8% mesosulfuron florasulam clodinafop-propargyl dispersibles oil-suspending agent physico-chemical constant measurement result
Measure item Condition determination Measurement result
Color 23.9℃ Off-white color
Physical state 23.9℃ Homogeneous phase thick liquid
Smell 23.9℃ Tasteless
Density 20.0℃ 1.4805g/mL
To packaging material corrosivity 54.0℃ To packaging material non-corrosiveness
Thermal explosion N/A Without thermal explosion
Flash-point N/A Boiling point (102.3 DEG C) is below without flash-point
Viscosity 20.0℃ 849.2-100.8mPa·s
8% mesosulfuron florasulam clodinafop-propargyl dispersibles oil-suspending agent item controlled index
8% mesosulfuron florasulam clodinafop-propargyl dispersibles the environmental influence of oil-suspending agent
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims (4)

1. a mesosulfuron florasulam clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, it is characterized in that: the active ingredient dispersibling oil-suspending agent of this compound herbicide is made up of following component according to mass percent:
Mesosulfuron content: 0.6%;
Florasulam content: 0.4%;
Clodinafop-propargyl content: 7.0%.
2. a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide according to claim 1 dispersible oil-suspending agent and preparation method thereof, it is characterized in that: the oil-suspending agent that dispersibles of compound herbicide also comprises content shared by dispersant di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, wetting agent ammonium lauryl sulfate, thickener xanthans and solvent naphtha four kinds of compositions and di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, ammonium lauryl sulfate, xanthans and solvent naphtha and is respectively: 6.0%, 2.0%, 2.0% and 82.0%.
3. a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide according to claim 1 dispersible oil-suspending agent and preparation method thereof, it is characterized in that: the total active constituent content of described mesosulfuron, florasulam and clodinafop-propargyl is 8.0%.
4. a kind of mesosulfuron florasulam clodinafop-propargyl compound herbicide as described in any one of claims 1 to 3 dispersible oil-suspending agent and preparation method thereof, it is characterized in that: described compound herbicide dispersible oil-suspending agent preparation method, comprise each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, again through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%, after sample analysis is qualified, metering, packaging, warehouse-in.
CN201510908529.8A 2015-12-07 2015-12-07 Dispersible oil suspension of mesosulfuron-methyl, florasulam and clodinafop-propargyl composite herbicide as well as preparation method of dispersible oil suspension Pending CN105454268A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106376551A (en) * 2016-08-26 2017-02-08 安徽久易农业股份有限公司 Bifluorid * clodinafop-propargyl oil suspension
CN106376554A (en) * 2016-08-26 2017-02-08 安徽久易农业股份有限公司 Suspending agent of metribuzin methyl oleate
CN106386825A (en) * 2016-08-26 2017-02-15 安徽美兰农业发展股份有限公司 Penoxsulam-oxadiargyl compound dispersible oil suspended agent, and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104522023A (en) * 2014-12-23 2015-04-22 安徽众邦生物工程有限公司 Wheat field herbicide composition containing clodinafop-propargyl

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104522023A (en) * 2014-12-23 2015-04-22 安徽众邦生物工程有限公司 Wheat field herbicide composition containing clodinafop-propargyl

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106376551A (en) * 2016-08-26 2017-02-08 安徽久易农业股份有限公司 Bifluorid * clodinafop-propargyl oil suspension
CN106376554A (en) * 2016-08-26 2017-02-08 安徽久易农业股份有限公司 Suspending agent of metribuzin methyl oleate
CN106386825A (en) * 2016-08-26 2017-02-15 安徽美兰农业发展股份有限公司 Penoxsulam-oxadiargyl compound dispersible oil suspended agent, and preparation method thereof

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