CN103975938B - A kind of Herbicidal combinations for preventing and kill off rice terrace annual grassy weeds - Google Patents
A kind of Herbicidal combinations for preventing and kill off rice terrace annual grassy weeds Download PDFInfo
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Abstract
The invention discloses a kind of Herbicidal combinations for preventing and kill off rice terrace annual grassy weeds, its effective ingredient is Oxadiargyl, pretilachlor and AC322140, the part by weight of described Oxadiargyl, pretilachlor and AC322140 is 1～50:1～80:1～40, and Oxadiargyl, pretilachlor and AC322140 gross weight percentage composition in the composition is 0.1～85%.Said composition is prevented and kill off rice terrace annual grassy weeds effect and is substantially better than each single dose and is used alone, and expands weed control spectrum, decreases dosage simultaneously, has delayed the generation of herbicide resistance, alleviated the pollution to environment.
Description
Technical field
The present invention relates to pesticide Herbicidal combinations and application thereof, specifically with Oxadiargyl,
Pretilachlor and AC322140 are the ternary complex of effective ingredient, are applied to prevent and kill off rice terrace annual
Weeds.
Background technology
Chemical method weeding is one of Main Means controlling farmland weed in agricultural production.In recent years,
Due to some, herbicide kind is large-area is used alone, and already leads to a lot of weeds and creates Drug resistance.
Simultaneously as grass is mutually complicated, of a great variety when weeds occur, single variety uses can not efficient solution
Certainly farmland weed is caused harm, and all can show defect in a certain respect.And variety classes herbicide mixture makes
With, have that herbicidal spectrum is wide, promote preventive effect, delay weeds to develop immunity to drugs, save time, saving of labor etc.
Plurality of advantages.
Oxadiargyl (Oxadiargyl): belong to diazole type herbicides, the mechanism of action is former porphin
The former oxidasic inhibitor of quinoline.Can be used for rice field and prevent and kill off annual gramineae, Cyperaceae and broad leaved weed
And some perennial weeds.
Pretilachlor (pretilachlor): belong to acetamide-group herbicides, the mechanism of action is that cell division presses down
Preparation.It is applicable to rice terrace and prevents and kill off barnyard grass, shaven head barnyard grass, Semen Euphorbiae, Herba Eleusines Indicae, Herba Eleocharitis acicularis, narrow leaf
The annual gramineaes such as Rhizoma Alismatis, Herba Ammanniae Bacciferae, Herba Cyperi Difformis, cyperus iria, Herba Ludwigiae Prostratae, Herba monochoriae vaginalis and
Broad leaved weed.
AC322140 (cyclosulfamuron): belong to sulfonamides herbicide, the mechanism of action is
Acetolactate synthestase in suppression weeds body, thus hinder the synthesis of branched-chain amino acid, make cell stop
Division, finally results in death.Can be used for rice field and prevent and kill off broad leaved weed, barnyard grass and sedge weed.
By the screening of different pesticide species compounded formulas, select outstanding formula can be effectively improved to sick,
Worm, the actual prevention effect of crop smothering, reduce dosage, reduces cost, delays disease, worm, crop smothering to resist
The generation of the property of medicine, is agriculturally disease, worm, the important means of crop smothering comprehensive control.The present inventor is to third
The compounded formula screening of alkynes oxadiazon, pretilachlor and AC322140 conducts in-depth research, and finds third
Alkynes oxadiazon, pretilachlor and AC322140 carry out ternary built, in the range of certain compound proportion
Rice terrace annual grassy weeds there is is potentiation, after further study, completes the present invention.
Not yet find Oxadiargyl, pretilachlor and the relevant report of AC322140 ternary built at present.
Summary of the invention
It is an object of the invention to solve when prior art Pesticides single dose is used alone paddy field weed
Be easily generated Drug resistance and the poor problem of actual prevention effect, it is provided that a kind of efficiently, wide spectrum, economy,
Safety, the beneficially Herbicidal combinations of paddy field weed comprehensive control.
The technical scheme is that the present invention provides a kind of Herbicidal combinations, by effective ingredient propine
Oxadiazon, pretilachlor and AC322140 and suitable pesticide auxiliary element composition.Oxadiargyl,
The weight ratio of pretilachlor and AC322140 is 1～50:1～80:1～40.Oxadiargyl,
Pretilachlor and AC322140 gross weight percentage composition in the composition is 0.1～85%, and remaining is agriculture
Medicine allows use and acceptable auxiliary element.
Described Herbicidal combinations can be processed into oil according to well known to a person skilled in the art method
Suspending agent, granule, wettable powder, water dispersible granules, effervescent tablet, aqueous emulsion and exhibition film oil
The application forms used in the applicable agricultural production such as agent.
Described oil-suspending agent dosage form weight percent consists of: Oxadiargyl 1～40%, pretilachlor
1～60%, AC322140 1～40%, dispersant 5～15%, wetting agent 5-15%, thickening agent 0.1～
2%, liquid-carrier complements to 100%.Concrete production stage is: effective ingredient and other auxiliary agent are mixed,
Through high speed shear dispersion, in sand mill after sand milling, non-water-medium forms high dispersive, stable
Suspension system, prepares oil-suspending agent.
Described dosage form of water dispersible granule weight percent consists of: Oxadiargyl 1～the 50%, third grass
Amine 1～70%, AC322140 1～50%, dispersant 5～15%, wetting agent 5～10%, disintegrating agent 1～
10%, solid carrier complements to 100%.Concrete production stage is: effective ingredient and other auxiliary agent are mixed
Uniformly, pulverize with micro jet, through mediating, be subsequently adding in fluidized-bed granulation dryer
Row pelletize, dry, screening, prepare water dispersible granules.
Described wettable powder formulation weight percent consists of: Oxadiargyl 1～the 50%, third grass
Amine 1～70%, AC322140 1～50%, dispersant 5～15%, wetting agent 5～15%, solid carries
Body complements to 100%.Concrete production stage is: effective ingredient and other auxiliary agent are mixed, mechanical activation comminution
After again through comminution by gas stream, mix homogeneously, prepare wettable powder.
Described granule dosage form weight percent consists of: Oxadiargyl 0.1～20%, pretilachlor
0.1～30%, AC322140 0.1～20%, binding agent 10～30%, dispersant 5～15%, moistening
Agent 5～10%, solid carrier complements to 100%.Concrete production stage is: helped with other by effective ingredient
The blended kneading that adds water of agent, uses pinch-out granulator pinch out and shape, is done by granule fluid bed afterwards
Dry, screening, prepares granule.
Described effervescent tablet dosage form weight percent consists of: Oxadiargyl 0.1～the 30%, third grass
Amine 0.1～40%, AC322140 0.1～30%, dispersant 5～15%, wetting agent 5～10%, solid
Body acid 10～30%, carbonate 10～30%, binding agent 1～10%, flowing regulator 1～10%, Gu
Body carrier complements to 100%.By effective ingredient, wetting agent, dispersant, solid acid, carbonate, stream
Dynamic regulator and filler are sufficiently mixed uniformly, are then crushed to 0.3～5 μm with superfine comminution at low temperature machine,
It is subsequently added into the binding agent with water furnishing pasty state, after stirring, uses tablet machine film-making, last drying,
Granulate, detect, pack after, prepare effervescent tablet.
Described aqueous emulsion agent weight percent consists of: Oxadiargyl 1～30%, pretilachlor 1～
40%, AC322140 1～30%, emulsifying agent 5～30%, solvent 5～15%, antifreezing agent 2～5%,
Defoamer 0.1～5%, thickening agent 0.1～2%, deionized water complements to 100%.First by effective ingredient,
Solvent, emulsifying agent mix, and dissolve and become uniform oil phase.Again by part water and other auxiliary agents
Mix, dissolve and become uniform aqueous phase.The most in a kettle. by water while high-speed stirred
It is added to oil phase, slowly adds water to reach phase inversion point, carry out high speed shear afterwards, and add remaining
Water, shears about 30min, prepares aqueous emulsion.
Described film-spreading oil solution dosage form weight percent consists of: Oxadiargyl 1～30%, pretilachlor
1～40%, AC322140 1～30%, solvent 1～20%, film former 1～20%, dispersant 1～15%,
Liquid-carrier complements to 100%.After fully being dissolved by effective ingredient solvent, it is initially charged dispersant,
Rear addition film former, is thoroughly mixed uniformly to transparent, prepares film-spreading oil solution.
Described solvent can be methanol, ethanol, butanol, propylene glycol, glycerol, Polyethylene Glycol,
Ketohexamethylene, ketopyrrolidine, machine oil, solvent naphtha, trimethylbenzene, dimethylbenzene, dimethylformamide, nitrogen
Methyl pyrrolidone, fatty acid distribution of coconut oil methyl ester, methyl oleate, methylated vegetable oil, ethyl acetate,
One or more in dimethyl phthalate, dibutyl phthalate etc..
Described emulsifying agent can be alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyethenoxy ether,
Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fat
Fat amine, alkyl phenol polyglycol ether, Span series (sorbitan monostearate), TWEEN Series (lose
Water Span polyoxyethylene ether), AEO series (fat alcohol polyoxyethylenated alcohol), OP series
Phosphate ester (thermally coupled distillation columns), OP serial (NPE), By system
One or more in row (castor oil polyoxyethylene ether) etc..
Described film former can be Lauryl Alcohol ester, methyl laurate, octadecanol, propylene glycol phenylate
And one or more in monobutyl ether acetate etc..
Described defoamer can be in silicone compound, epoxy soybean oil, methanol, silicone oil etc.
One or more.
Described antifreezing agent can be one or more in glycerol, propylene glycol, diethylene glycol, carbamide etc..
Described wetting agent can be sodium lauryl sulphate, dodecylbenzene sodium sulfonate, dibutyl naphthalene sulphur
One or more in acid sodium, sodium alkyl sulfonate, tea seed cake powder, spaonin powder, Fructus Sapindi Mukouossi powder etc..
Described dispersant can be alkylphenol polyoxyethylene formaldehyde condensation products, naphthalene sulphonate formaldehyde contracting
Compound, to methoxyl group fatty acyl anilinesulfonic acid, lignosulfonates, polycarboxylate, alkyl phenol gather
Oxygen vinyl Ether sulfate, alkyl benzene sulfonate calcium salt, fatty acid ester sulfate, alkylphenol polyoxyethylene,
One or more in fatty alcohol-polyoxyethylene ether etc..
Described disintegrating agent can be carboxymethyl starch sodium, low-substituted hydroxypropyl cellulose, crosslinking carboxylic first
Base sodium cellulosate, polyvinylpolypyrrolidone, chitosan, sodium alginate sodium bicarbonate, magnesium chloride, aluminum chloride,
One or more in sodium chloride, carbamide, ammonium sulfate, bentonite etc..
Described thickening agent can be polyvinyl acetate, xanthan gum, gelatin, Radix Acaciae senegalis, silicon
One or more in acid magnalium, phenolic resin, hydroxymethyl cellulose, sodium alginate etc..
Described solid carrier can be precipitated calcium carbonate, potter's clay, Kaolin, kieselguhr, bentonite,
One or more in white carbon, clay, attapulgite, Pulvis Talci, quartz sand etc..
Described liquid-carrier can be exquisite soybean oil, Semen Maydis oil, Oleum Brassicae campestris, Oleum Terebinthinae, oleic acid
One or more in methyl ester, Oleum Cocois, Petiolus Trachycarpi oil etc..
Described binding agent can be sucrose, polyvinyl alcohol, Polyethylene Glycol, sodium carboxymethyl cellulose,
Carboxymethylcellulose calcium, carboxy-propyl cellulose, dextrin, amylodextrin, polyvinylpyrrolidone, viscous
One or more in property Kaolin, paraffin, Colophonium etc..
Described solid acid can be citric acid, succinic acid, maleic acid, fumaric acid, tartaric acid, grass
Acid, malonic acid, malic acid, succinic acid, adipic acid, boric acid, phosphoric acid, benzoic acid, sulfamic acid,
One or more in salicylic acid, glutamic acid, phenylacetic acid, nicotinic acid or sorbic acid etc..
Described carbonate can be sodium carbonate, potassium carbonate, ammonium carbonate, calcium carbonate, lithium carbonate, carbon
Acid hydrogen sodium, potassium bicarbonate, lithium bicarbonate, sodium sesquicarbonate, bicarbonate tripotassium or bicarbonate three ammonium etc.
In one or more.
Described flowing regulator can be calcium stearate, magnesium stearate, barium stearate, titanium dioxide,
In Pulvis Talci, Stepanol MG, polysorbate, Semen Tritici aestivi starch or sodium benzoate etc. a kind of or
Several.
The frequency of administration of the present composition and amount of application with crops, weeds, weather condition change and
There is small variations, can reach, by using suitable dosage, the purpose effectively prevented and treated.
Compared with prior art, it is an advantage of the current invention that:
1, Oxadiargyl, pretilachlor and AC322140 ternary built have synergistic function, relatively
Single dose be used alone and significantly improve the prevention effect to paddy field weed.
2, Oxadiargyl, pretilachlor and three kinds of effective ingredient of AC322140 are compounding, expand herbicide
Spectrum, a dispenser can solve rice terrace grassy weed, sedge weed and broad leaved weed.
3, Oxadiargyl, pretilachlor and three kinds of effective ingredient of AC322140 are compounding, reduce pesticide
Usage amount, decrease use cost, to reduce resistance risk, Environmental compatibility good.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, below in conjunction with embodiment present disclosure made into
One step explanation, but limitation of the present invention can not be considered as.
(1) Formulation Example.
In following examples effective ingredient use the 96% former medicine of Oxadiargyl, the 95% former medicine of pretilachlor and
The 97.4% former medicine of AC322140, each component percentages is weight percentage.
Embodiment 1:70% Oxadiargyl pretilachlor AC322140 water dispersible granules.
Oxadiargyl 15%, pretilachlor 50%, AC322140 5%, sodium butylnaphthalenesulfonate 5%, alkane
Base phenol polyethenoxy ether sulfate 8%, carbamide 2%, Kaolin supplies 100%.By above-mentioned effective ingredient,
Dispersant, wetting agent, disintegrating agent and solid carrier mix homogeneously, pulverize with micro jet,
Through mediating, it is subsequently adding in fluidized-bed granulation dryer and carries out pelletize, dry, screening, can be prepared by
70% Oxadiargyl pretilachlor AC322140 water dispersible granules.
Embodiment 2:80% Oxadiargyl pretilachlor AC322140 wettable powder.
Oxadiargyl 20%, pretilachlor 50%, AC322140 10%, sodium lauryl sulphate 5%,
Naphthalenesulfonate formaldehyde condensation compound 5%, kieselguhr supplies 100%.By above-mentioned by effective ingredient, dispersant,
Wetting agent and solid carrier mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, can be prepared by
80% Oxadiargyl pretilachlor AC322140 wettable powder.
Embodiment 3:30% Oxadiargyl pretilachlor AC322140 oil-suspending agent.
Oxadiargyl 4%, pretilachlor 25%, AC322140 1%, alkylphenol polyoxyethylene 10%,
Dodecylbenzene sodium sulfonate 10%, polyvinyl acetate 2%, exquisite soybean oil supplies 100%.By above-mentioned
Effective ingredient and auxiliary agent, after sand milling in high speed shear dispersion, sand mill, are formed in non-water-medium
High dispersive, stable suspension system, can be prepared by 30% Oxadiargyl pretilachlor ring the third phonetic sulphur
Grand oil-suspending agent.
Embodiment 4:2.5% Oxadiargyl pretilachlor AC322140 granule.
Oxadiargyl 0.3%, pretilachlor 2%, AC322140 0.2%, sodium alkyl sulfonate 10%, fat
Fat acid esters sulfate 10%, dextrin 20%, clay complements to 100%.By above-mentioned effective ingredient and auxiliary agent warp
Mixing and water adding is mediated, and uses pinch-out granulator pinch out and shape, is done by granule fluid bed afterwards
Dry, screening, can be prepared by 2.5% Oxadiargyl pretilachlor AC322140 granule.
Embodiment 5:25% Oxadiargyl pretilachlor AC322140 effervescent tablet.
Oxadiargyl 7%, pretilachlor 15%, AC322140 3%, sodium lauryl sulphate 5%, poly-
Carboxylate 5%, tartaric acid 15%, potassium bicarbonate 15%, dextrin 2%, Pulvis Talci 3%, Kaolin is supplied
To 100%.Above-mentioned effective ingredient and other auxiliary agent (except binding agent) are sufficiently mixed uniformly, then
It is crushed to 0.3～5 μm with superfine comminution at low temperature machine, is subsequently added into the binding agent of water furnishing pasty state, stirs
Mix and after uniformly, use tablet machine film-making, last drying, granulate, detect, pack after, can make
Obtain 25% Oxadiargyl pretilachlor AC322140 effervescent tablet.
Embodiment 6:20% Oxadiargyl pretilachlor AC322140 aqueous emulsion.
Oxadiargyl 3%, pretilachlor 15%, AC322140 2%, alkylphenol-polyethenoxy polyoxypropylene
Ether 20%, Ketohexamethylene 10%, propylene glycol 2%, silicone oil 0.5%, hydroxymethyl cellulose 0.2%, deionization
Water complements to 100%.First effective ingredient, solvent, emulsifying agent are mixed, dissolve and become uniform
Oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.Then
While high-speed stirred, aqueous phase is added oil phase in a kettle., slowly add water to reach phase inversion point, it
After carry out high speed shear, and add remaining water, shear about 30min, can be prepared by 20% propine grass
Ketone pretilachlor AC322140 aqueous emulsion.
Embodiment 7:15% Oxadiargyl pretilachlor AC322140 film-spreading oil solution.
Oxadiargyl 4%, pretilachlor 10%, AC322140 1%, dimethylformamide 10%, ten
Two carbon alcohol esters 10%, fatty alcohol-polyoxyethylene ether yuban 5%, NPE 10%,
Methyl oleate complements to 100%.After fully being dissolved by effective ingredient solvent, it is initially charged dispersant,
Rear addition film former, is thoroughly mixed uniformly to transparent, can be prepared by 15% Oxadiargyl the third grass
Amine AC322140 film-spreading oil solution.
(2) indoor biological determination of activity embodiment.
Reagent agent: the 96% former medicine of Oxadiargyl, the 95% former medicine of pretilachlor and 97.4% AC322140 are former
Medicine.
For examination target: Herba monochoriae vaginalis (Monochoria vaginalis), barnyard grass (Echinochloa
Crusgalli), Herba Cyperi Difformis (Cyperus difformis).
Medicament configuration design: Oxadiargyl single dose is configured to 10,25,40g a.i./ha solution standby
With；Pretilachlor single dose is configured to 100,200,300g a.i./ha solution for standby；AC322140 list
Agent is configured to 3,6,9g a.i./ha solution for standby；Oxadiargyl, pretilachlor and AC322140
Mixture be configured to 10+100+3,10+100+6,10+100+9,10+200+3,10+200+6,10+200+9,
10+300+3、10+300+6、10+300+9、25+100+3、25+100+6、25+100+9、25+200+3、
25+200+6、25+200+9、25+300+3、25+300+6、25+300+9、40+100+3、40+100+6、
40+100+9、40+200+3、40+200+6、40+200+9、40+300+3、40+300+6、40+300+9
G a.i./ha solution for standby.
Test method: the built-in quantitative soil of polypots at high 6cm, diameter 9cm, will be for examination target weeds
Seed 15～20 sowings, in polypots, are placed on temperature indoor cultivation after the thick fine earth of lid 0.5～1cm,
Treat that weeds length to the 1～2 leaf phases carry out stem and leaf spraying treatment, every alms bowl spraying liquid 1mL, often process repetition 4
Secondary, and set the process without medicament as compareing.Try material after process and be placed in temperature indoor cultivation, routine observation
The growing state of target weeds, estimates target damage symptoms and growth inhibited situation, and claims on the ground after 20d
Part fresh weight, evaluates the medicament toxicity action to target weeds with target fresh weight inhibition.
Investigation method: test estimates target damage symptoms and growth inhibited situation after processing 20d, and claims
Aerial parts fresh weight, calculates fresh weight inhibition (%).
Synergy evaluation methodology: evaluate herbicide mode of application (NY/T according to Colby method
1155.7-2006), its formula is: E0=X × Y × Z/1002, in formula, X is that Oxadiargyl is with certain
When dosage is alone, the fresh weight inhibition to target weeds is the percent compareed；Y is that pretilachlor is with certain dosage
Time alone, the fresh weight inhibition to target weeds is the percent compareed；Z is that AC322140 is with certain dosage
Time alone, the fresh weight inhibition to target weeds is the percent compareed；E0For Oxadiargyl, pretilachlor,
It is the theory of the percent of comparison to target weeds fresh weight inhibition during three kinds of pharmacy mix of AC322140
Value；To target weeds fresh weight when E is Oxadiargyl, pretilachlor, three kinds of pharmacy mix of AC322140
Suppression ratio is the measured value of the percent of comparison.
Evaluation criterion: work as E0It is expressed as potentiation, as-10% E during-E > 10%0-E 10%
Time be expressed as summation action, work as E0Antagonism it is expressed as during-E <-10%.
By the Toxicity Determination result of table 1, table 2 and table 3 it can be seen that Oxadiargyl, third grass
Amine and AC322140 ternary built respectively process the E to Herba monochoriae vaginalis, barnyard grass and Herba Cyperi Difformis0-E(%) value
It is all higher than 10%, illustrates that three is compounding and Herba monochoriae vaginalis, barnyard grass and Herba Cyperi Difformis are had synergistic function.
As can be seen here, Oxadiargyl, pretilachlor and AC322140 ternary built have reasonability and feasible
Property.
Table 1, each chemicals treatment Toxicity Determination to Herba monochoriae vaginalis.
Table 2, each chemicals treatment Toxicity Determination to barnyard grass.
Table 3, each chemicals treatment Toxicity Determination to Herba Cyperi Difformis.
(3) field efficacy checking embodiment.
Herba monochoriae vaginalis, barnyard grass and Herba Cyperi Difformis is experimental field selected to occur more transplanted rice field to carry out.Examination
Testing and set 8 process altogether, often process and set 3 repetitions, processing 1 is 30% Oxadiargyl pretilachlor ring
Third Sulfometuron Methyl oil-suspending agent (4:25:1), process 2 are that 29% Oxadiargyl pretilachlor oil hangs
Floating agent (4:25), process 3 be 5% Oxadiargyl AC322140 oil-suspending agent (4:1),
To process 4 be 26% pretilachlor AC322140 oil-suspending agent (25:1), to process 5 be 80% propine
Oxadiazon wettable powder, to process 6 be 300 grams per liter pretilachlor cream, to process 7 be the 10% phonetic sulphur of ring third
Grand wettable powder, process 8 are comparison (not dispenser not weeding), within after medicine 30 days, add up each process miscellaneous
Grass quantity also calculates preventive effect.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of transplanted rice field annual grassy weeds.
By the field test results of table 4 it can be seen that 30 days 30% Oxadiargyl third grass after medicine
When amine AC322140 oil-suspending agent (4:25:1) usage amount is 275-350g.a.i./ha pair
The preventive effect of transplanted rice field barnyard grass, Herba monochoriae vaginalis and Herba Cyperi Difformis is all substantially higher and is used alone in each single dose
Or binary built uses, during test survey, do not find 30% Oxadiargyl the third grass simultaneously
Amine AC322140 oil-suspending agent (4:25:1) produces poisoning to Oryza sativa L..As can be seen here, should
Compositions is worth popularization and application in agricultural production.
Claims (3)
1. the Herbicidal combinations being used for preventing and kill off rice terrace annual grassy weeds, it is characterised in that: effective ingredient is Oxadiargyl, pretilachlor and AC322140, and the part by weight of described Oxadiargyl, pretilachlor and AC322140 is 4: 25 : 1, Oxadiargyl, pretilachlor and AC322140 gross weight percentage composition in the composition is 0.1～85%, and remaining is pesticide auxiliary element.
A kind of Herbicidal combinations for preventing and kill off rice terrace annual grassy weeds the most according to claim 1, it is characterised in that: the dosage form of described Herbicidal combinations is oil-suspending agent.
3. the application in preventing and kill off rice terrace annual grassy weeds of a kind of Herbicidal combinations for preventing and kill off rice terrace annual grassy weeds described in claim 1.
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| CN104430445A (en) * | 2014-11-20 | 2015-03-25 | 江苏省激素研究所股份有限公司 | Rice field herbicide |
| CN106489923A (en) * | 2016-08-31 | 2017-03-15 | 浙江天丰生物科学有限公司 | One kind dispersibles oil-suspending agent and preparation method thereof |
| CN107114390A (en) * | 2017-05-27 | 2017-09-01 | 北京科发伟业农药技术中心 | A kind of Herbicidal combinations containing oxadiargyl and AC322140 |
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