CN104397003B - A kind of Herbicidal combinations and preparation thereof - Google Patents
A kind of Herbicidal combinations and preparation thereof Download PDFInfo
- Publication number
- CN104397003B CN104397003B CN201410734461.1A CN201410734461A CN104397003B CN 104397003 B CN104397003 B CN 104397003B CN 201410734461 A CN201410734461 A CN 201410734461A CN 104397003 B CN104397003 B CN 104397003B
- Authority
- CN
- China
- Prior art keywords
- herbicide
- agent
- butachlor
- nicosulfuron
- halosulfuronmethyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- FMGZEUWROYGLAY-UHFFFAOYSA-N Halosulfuron-methyl Chemical group ClC1=NN(C)C(S(=O)(=O)NC(=O)NC=2N=C(OC)C=C(OC)N=2)=C1C(=O)OC FMGZEUWROYGLAY-UHFFFAOYSA-N 0.000 claims abstract description 59
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- 229940125797 compound 12 Drugs 0.000 description 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- YYEHOLBIXGDEGT-UHFFFAOYSA-N ethenoxyethene;sulfuric acid Chemical compound C=COC=C.OS(O)(=O)=O YYEHOLBIXGDEGT-UHFFFAOYSA-N 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 208000006278 hypochromic anemia Diseases 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229960000310 isoleucine Drugs 0.000 description 1
- AGPKZVBTJJNPAG-UHFFFAOYSA-N isoleucine Natural products CCC(C)C(N)C(O)=O AGPKZVBTJJNPAG-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229940068984 polyvinyl alcohol Drugs 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000004302 potassium sorbate Substances 0.000 description 1
- 235000010241 potassium sorbate Nutrition 0.000 description 1
- 229940069338 potassium sorbate Drugs 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
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- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
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- 229940005550 sodium alginate Drugs 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 210000004885 white matter Anatomy 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to field of pesticide preparation, particularly to a kind of Herbicidal combinations and preparation thereof.This Herbicidal combinations is made up of halosulfuronmethyl, nicosulfuron and butachlor.The Herbicidal combinations that the present invention provides has obvious potentiation compared with single dose；The herbicidal effect of the herbicide that the present invention provides to expand weed control spectrum apparently higher than any one single dose in three components, and the weeds that the antagonism property of medicine is stronger also can effectively prevent and treat, and not produce poisoning, to corn safety, can be used for preventing and treating corn field weed.
Description
Technical field
The present invention relates to field of pesticide preparation, particularly to a kind of Herbicidal combinations and preparation thereof.
Background technology
Semen Maydis is one of staple food crop of northern China, and maize sown area reaches about 300,000,000 mu, distribution
At about 24 provinces, municipalities and autonomous regions, mainly include Heilungkiang, Jilin, Liaoning, Hebei, Shandong, mountain
Main province, the districts such as west, Henan, Shaanxi, Sichuan, Guizhou, Yunnan, Guangxi.The annual production of Semen Maydis reaches hundred million
Remaining ton, accounts for the 20% of Gross World Product.But, the weeds of corn field occur universal, of a great variety, crop smothering
May result in the serious underproduction.Therefore, in corn field, the use of herbicide is the most universal.
Corn herbicide kind is more, stem and leaf can be divided into process herbicide according to application method and soil is closed
Process herbicide.Stem and leaf processes herbicide and refers to after weeds emerge, and is directly applied to weeds stem and leaf and kills
The medicament of weeds, weeds seedling, for herbicide is diluted in a certain amount of water, is carried out by its using method
Sprinkling processes, and by weeds stem and leaf, the absorption of medicine and conduction is eliminated weeds.Closed soil treatment is removed
Grass agent in use, is spread on upper soll layer herbicide or admixes in soil by mixed soil operation handlebar herbicide,
Set up a herbicide confining bed, to kill the weeds of sprouting, this kind of herbicide can by the root of weeds,
Tooth sheath or upper hypocotyl etc. absorb and play a role.
Herbicide kind currently on the market is varied, including closing herbicide and herbicide after seedling before Seedling.
Owing to closing the impact of herbicide climate factor before Seedling, effect cannot ensure；Herbicide after seedling is once used
Medicine can control the weeds of a season of growth, the mainly herbicide after seedling sold the most in the market.
Conventional herbicide after seedling is mainly stem and leaf and processes herbicide, but summer temp is high, and rainwater is many, weeds
Sprouting fast, the effect of weeding is not fine.And, the long-term single use of a lot of herbicides can make weeds
Developing immunity to drugs, herbicidal effect declines so that formulation rate increases, and increases the planting cost of peasant, also can
Bring harmful effect to environment, bring a lot of inconvenience to cultivating of peasant.Therefore, one preventing and treating effect it is badly in need of
Corn field herbicide the best, that instant effect, consumption are few.
Summary of the invention
In view of this, the invention provides a kind of Herbicidal combinations and preparation thereof.This Herbicidal combinations and list
Agent is compared has obvious potentiation；The herbicidal effect of this herbicide to be appointed in three components
Anticipating a single dose, expand weed control spectrum, the weeds that the antagonism property of medicine is stronger also can effectively prevent and treat, and does not produce
Crude drug evil, to corn safety, can be used for preventing and treating corn field weed.
In order to realize foregoing invention purpose, the present invention provides techniques below scheme:
The invention provides a kind of Herbicidal combinations, be made up of halosulfuronmethyl, nicosulfuron and butachlor.
Halosulfuronmethyl is sulfonylurea herbicide, is the inhibitor of acetolactate synthestase (ALS enzyme).I.e.
By the ALS enzyme of a kind of plant, stop branched-chain amino acid such as valine, isoleucine, leucic life
Thing synthesizes, the final synthesis destroying protein, and the synthesis of interference DAN and western division and reproduction, it can
To be absorbed by the root of plant, stem and leaf.Weeds symptom of chemical damage includes that growth stopping, chlorosis, top are divided
Raw tissue die, plant is dead after 2-3 week, is mainly used in preventing and kill off broad leaved weed and Sha Ke weeds, such as storehouse
Ear, Flos Daturae, artemisiifolia, Amaranthus retroflexus, Herba hibisci trioni, knotweed, Herba Portulacae, Herba Solani Nigri, Semen Cassiae, lead a cow,
Rhizoma Cyperi etc..
Nicosulfuron is herbicides special after corn field Seedling, wealthy to the grassy weed in corn field and part
Leaf weeds have significant preventive effect, good to corn safety, but mainly miscellaneous to grass family due to nicosulfuron
Grass activity is high, and the best to part broad leaved weed activity, its weed control spectrum is narrower.
Butachlor is selectivity preemergence herbicide, is absorbed by its plumelet and immature secondary root, suppresses egg
The synthesis of white matter, makes weeds dead.Mainly prevent and kill off annual gramineous weed and annual sedge weed,
And some annual broadleaf weed.
After different herbicidal activity component mixing, each active component is due to composition, structure, the difference of physicochemical property
Different so that the synergy between each active component is usually expressed as potentiation, summation action or antagonism
Effect.So-called potentiation is exactly to cooperate effect between different material, and its effect produced is more than each
The sum total of individual composition effect；And summation action is exactly its effect produced sum total equal to each composition effect；
Antagonism refers to when two kinds of materials act on living organism, creates a kind of material and disturbs another thing
The effect of matter, or the effect of interfering with an opponent each other, make the phenomenon that general effect declines.
The present invention make use of halosulfuronmethyl, nicosulfuron, the difference of three kinds of herbicides of butachlor dexterously
The mechanism of action, compounds three, has reached potentiation.The present invention evaluates with reference to co-toxicity coefficient method
Interaction after three kinds of different activities components are compounding in the Herbicidal combinations that the present invention provides, wherein, altogether
Poison coefficient > 120 for potentiation, co-toxicity coefficient is expressed as summation action between 80～120, altogether poison system
< 80 are expressed as antagonism to number.Experimental result confirms, the Herbicidal combinations that the present invention provides can be as Semen Maydis
Tian Miaohou weeds foliar herbicide uses, the co-toxicity coefficient of this Herbicidal combinations > 120, for potentiation.
Experimental result is it is also shown that the Herbicidal combinations that the present invention provides can effectively have been prevented and kill off to existing herbicide
Through producing the Herba Eleusines Indicae of the strongest resistance, and this Herbicidal combinations is to corn safety.
In some embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Than being (5～75): (1～10): (5～65).
As preferably, halosulfuronmethyl, nicosulfuron are (1～37.5) with the weight ratio of butachlor: 1:
(5～11).
In some embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Ratio is 5:1:10.
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Amount ratio is 35:4:25.
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Amount ratio is 30:2:22.
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Amount ratio is 30:4:40.
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Amount ratio is 10:10:65.
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and the weight of butachlor
Amount ratio is 72:2:10.
Present invention also offers the application in preparing Control Weeds in Maize Field herbicide of this Herbicidal combinations；
This Herbicidal combinations is made up of halosulfuronmethyl, nicosulfuron and butachlor；The present invention provide some
In embodiment, the weight ratio of halosulfuronmethyl, described nicosulfuron and described butachlor is (5～75): (1～
10): (5～65)；As preferably, halosulfuronmethyl, nicosulfuron are (1～37.5) with the weight ratio of butachlor:
1:(5～11)；In some embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and fourth grass
The weight ratio of amine is 5:1:10；In other embodiments that the present invention provides, the phonetic sulphur of halosulfuronmethyl, cigarette
Grand is 35:4:25 with butachlor weight ratio；In other embodiments that the present invention provides, the phonetic sulphur of chlorine pyrrole
Grand, nicosulfuron is 30:2:22 with the weight ratio of butachlor；In other embodiments that the present invention provides,
Halosulfuronmethyl, nicosulfuron are 30:4:40 with the weight ratio of butachlor；The present invention provide other
In embodiment, halosulfuronmethyl, nicosulfuron are 10:10:65 with the weight ratio of butachlor；Carry in the present invention
In other embodiments of confession, halosulfuronmethyl, nicosulfuron are 72:2:10 with the weight ratio of butachlor.
Present invention also offers a kind of herbicide, can on Herbicidal combinations provided by the present invention and Pesticide Science
The adjuvant composition accepted；This Herbicidal combinations is made up of halosulfuronmethyl, nicosulfuron and butachlor；?
In some embodiments that the present invention provides, halosulfuronmethyl, described nicosulfuron and the weight of described butachlor
Amount ratio is (5～75): (1～10): (5～65)；As preferably, halosulfuronmethyl, nicosulfuron with
The weight ratio of butachlor is (1～37.5): 1:(5～11)；In some embodiments that the present invention provides,
Halosulfuronmethyl, nicosulfuron are 5:1:10 with the weight ratio of butachlor；In other realities that the present invention provides
Executing in example, halosulfuronmethyl, nicosulfuron are 35:4:25 with the weight ratio of butachlor；There is provided in the present invention
Other embodiments in, the weight ratio of halosulfuronmethyl, nicosulfuron and butachlor is 30:2:22；?
In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron with the weight ratio of butachlor are
30:4:40；In other embodiments that the present invention provides, halosulfuronmethyl, nicosulfuron and butachlor
Weight ratio be 10:10:65；In other embodiments that the present invention provides, the phonetic sulphur of halosulfuronmethyl, cigarette
Grand is 72:2:10 with butachlor weight ratio.
In some embodiments that the present invention provides, Herbicidal combinations weight content in herbicide is
11%～99%.
As preferably, Herbicidal combinations weight content in herbicide is 16%～87%.
In some embodiments that the present invention provides, in Pesticide Science, acceptable adjuvant is selected from wetting agent, breast
Agent, dispersant, defoamer, interleaving agent, disintegrating agent, thickening agent, antifreezing agent, preservative, carrier
Or a kind of or both mixture above in solvent.
The present invention provide some embodiments in, dispersant be sodium lignin sulfonate, calcium lignosulfonate,
Sodium polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate, alkyl benzene sulfonate calcium salt, alkylbenzenesulfonate amine salt, methylene
The double naphthalenesulfonic acid-formaldehyde condensate of base, polyoxyethylene polyoxypropylene block copolymer, carboxymethyl cellulose,
One in polyvinyl alcohol, polyvinylpyrrolidone, sodium tripolyphosphate or alkylnaphthalene sulfonate condensation polymer or
The mixture that both are above.
In some embodiments of the invention, di-2-ethylhexylphosphine oxide naphthalene sulfonate is NNO (di-2-ethylhexylphosphine oxide LOMAR PWA EINECS 246-676-2
Sodium).
In some embodiments that the present invention provides, wetting agent is anion wetting agent and/or nonionic profit
Humectant.
As preferably, anion wetting agent is sodium lauryl sulphate, Negel, poly alkyl alcohol
One in glycol ether sulfate, aliphatic alcohol polyethenoxy ether carboxylate or alkylnaphthalene sulfonate or both
Above mixture.
As preferably, non-ionic wetting agent is fat alcohol polyethylene ether, NPE, mistake
A kind of in water Span polyoxyethylene ether or alkyl naphthalene formaldehyde condensation substance or both are above
Mixture.
In some embodiments that the present invention provides, emulsifying agent is anion emulsifier and/or nonionic breast
Agent.
As preferably, anion emulsifier is that alkyl benzene sulfonate calcium salt, alkyl sulfonic acid calcium, aralkyl phenol gather
Oxygen vinyl Ether sulfate, alkyl polyoxyethylene ether phosphoric acid (monoesters, dibasic acid esters and mixture) or aralkyl phenol
A kind of or both mixture above in polyoxyethylene ether phosphoric acid (monoesters, dibasic acid esters and mixture).
As preferably, nonionic emulsifier be alkyl phenol polyoxy ether alkene, phenethyl phenol polyethenoxy ether,
Oleum Ricini addition product and derivant, phenethyl phenol polyethenoxy polyoxyethylene poly-oxygen propylene aether, alkyl phenol
Polyoxyethylene ether formaldehyde condensation products, phenethyl phenol polyethenoxy polyethenoxy ether formaldehyde condensation products, epoxy second
A kind of or both mixture above in alkane, propylene oxide block copolymer or aliphatic amine polyoxyethylene ether.
The present invention provide some embodiments in, thickening agent be xanthan gum, polyvinyl alcohol, sodium alginate,
One in kieselguhr, starch, Kaolin, organobentonite, aerosil, aluminium-magnesium silicate or
The mixture that both are above.
The present invention provide some embodiments in, antifreezing agent be ethylene glycol, propylene glycol, glycerol, oneself
A kind of or both mixture above in glycol, carbamide, ammonium sulfate, sodium chloride or calcium chloride.
The present invention provide some embodiments in, preservative be benzoic acid, sodium benzoate, sorbic acid,
One in potassium sorbate, calcium propionate, p-hydroxybenzoic acid isopropyl ester, propyl parabene or both
Above mixture.
In some embodiments that the present invention provides, carrier is Kaolin, sodium bentonite, calcio swelling
Soil, kieselguhr, precipitated calcium carbonate, white carbon, attapulgite, soluble starch, carbamide, amine are fertile, Portugal
Grape sugar, maltose, sucrose, citric acid, Anhydrous potassium carbonate, Carbon Dioxide hydrogen potassium, anhydrous sodium sulfate,
A kind of or both mixture above in anhydrous sodium bicarbonate, natrium carbonicum calcinatum or anhydrous sodium bicarbonate.
The present invention provide some embodiments in, interleaving agent be silica gel, modified silicon oil, stearate soap,
One in Pulvis Talci, mica powder, calcium carbonate, wax emulsion or both things mixed above.
The present invention provide some embodiments in, disintegrating agent selected from sodium bicarbonate, sodium carbonate, bentonite,
A kind of or both mixture above in carbamide, ammonium sulfate, glucose or aluminum chloride.
In some embodiments that the present invention provides, solvent is the one in soybean oil or methyl oleate or two
The mixture of person.But those skilled in the art think feasible solvent all within protection scope of the present invention,
The present invention does not limits at this.
In some embodiments that the present invention provides, the dosage form of herbicide that the present invention provides be powder, can
WP, soluble powder, granule, water dispersible granules, suspending agent, suspended emulsion, dispersible oil
Suspending agent, cream or aqueous emulsion.
As preferably, the dosage form of herbicide is dispersed oil suspending agent, wettable powder or water dispersible granules.
In some embodiments that the present invention provides, when the dosage form of herbicide is for dispersibling oil-suspending agent, agriculture
Pharmaceutically acceptable adjuvant includes the one in dispersant, emulsifying agent, wetting agent, thickening agent or solvent
Or both above mixture.
As preferably, dispersible in oil-suspending agent, Herbicidal combinations 16～99 parts, dispersant 0.3～20 parts,
Emulsifying agent 0.2～15 parts, wetting agent 0.5～15 parts, thickening agent 0.2～15 parts, solvent 10～80 parts.
In some embodiments that the present invention provides, when the dosage form of herbicide is wettable powder, Pesticide Science
Upper acceptable adjuvant includes a kind of in wetting agent, dispersant, emulsifying agent or carrier or both are above
Mixture.
As preferably, in wettable powder, Herbicidal combinations 16～99 parts, wetting agent 0.3～20 parts, point
Powder 0.2～20 parts, emulsifying agent 0.2～15 parts, carrier 0.5～40 parts.
In some embodiments that the present invention provides, when the dosage form of herbicide is water dispersible granules, Pesticide Science
Upper acceptable adjuvant includes the one in wetting agent, dispersant, emulsifying agent, disintegrating agent or carrier or two
Mixture more than person.
As preferably, in water dispersible granules, Herbicidal combinations 16～99 parts, wetting agent 0.3～20 parts, point
Powder 0.2～20 parts, emulsifying agent 0.2～15 parts, disintegrating agent 0.2～15 parts, carrier 0.5～40 parts.
The invention provides a kind of Herbicidal combinations and preparation thereof.This Herbicidal combinations by halosulfuronmethyl,
Nicosulfuron and butachlor composition.The present invention at least has one of following advantage:
The present invention is by compounding to halosulfuronmethyl, nicosulfuron and butachlor rear gained herbicide, and chlorine pyrrole is phonetic
Sulphur is grand, the weight ratio of nicosulfuron, butachlor is in (5～75): (1～10): time (5～65), and it is altogether
Poison coefficient is all higher than 120, illustrates that halosulfuronmethyl, nicosulfuron and butachlor, after compounding, create bright
Aobvious potentiation；
In the present invention, compared with halosulfuronmethyl, nicosulfuron, butachlor single dose, halosulfuronmethyl,
The herbicidal effect of nicosulfuron and the compounding rear gained Herbicidal combinations of butachlor and preparation thereof will be apparently higher than three
Any one single dose in individual component, significant difference (P ＜ 0.05), create potentiation, expand and kill
Grass spectrum, the weeds that the antagonism property of medicine is stronger also can effectively prevent and treat, and not produce poisoning, to corn safety,
Can be used for preventing and treating corn field weed.
Detailed description of the invention
The invention discloses a kind of Herbicidal combinations and preparation thereof, those skilled in the art can use for reference herein
Content, is suitably modified technological parameter and realizes.Special needs to be pointed out is, all similar replacements and change
Apparent to those skilled in the art, they are considered as being included in the present invention.The present invention
Method and application be described by preferred embodiment, related personnel substantially can without departing from
In summary of the invention, spirit and scope, method described herein and application it is modified or suitably changes and group
Close, realize and apply the technology of the present invention.
In the Herbicidal combinations of present invention offer and preparation thereof, raw materials used medicine or adjuvant all can be purchased by market
?.
Below in conjunction with embodiment, the present invention it is expanded on further:
Embodiment 1 herbicide dispersibles the preparation of oil-suspending agent
Take halosulfuronmethyl 5%, nicosulfuron 1%, butachlor 10%, the contracting of alkylphenol polyoxyethylene formaldehyde
Compound 12%, alkylbenzenesulfonate 10%, fatty alcohol-polyoxyethylene ether 9%, xanthan gum 2%, methyl oleate
Supplying 100%, stir, shear 1 hour, sand mill excessively is ground to fineness D (90) and is less than or equal to 5 μm,
Obtain 16% halosulfuronmethyl nicosulfuron butachlor and dispersible oil-suspending agent.
Embodiment 2 herbicide dispersibles the preparation of oil-suspending agent
Take halosulfuronmethyl 35%, nicosulfuron 4%, butachlor 25%, alkylphenol polyoxyethylene formaldehyde
Condensation substance 9%, aliphatic alcohol polyethenoxy sulfate 5%, alkyl polyoxyethylene ether 5%, organobentonite 0.5%,
Soybean oil is supplied 100%, is stirred, and shears 1 hour, and mistake sand mill is ground to fineness D (90) and is less than
Equal to 5 μm, obtain 64% halosulfuronmethyl nicosulfuron butachlor and dispersible oil-suspending agent.
The preparation of embodiment 3 herbicide water dispersible granule
Take halosulfuronmethyl 30%, nicosulfuron 2%, butachlor 22%, pull open powder 4%, alkyl benzene sulphonate
Calcium 3%, alkylphenol-formaldehyde resin polyoxyethyl ether 2%, aliphatic alcohol polyethenoxy ether carboxylate 4%, Linesless charcoal
Black 3%, sodium bicarbonate 1%, sodium bentonite complement to 100%, mix homogeneously, after comminution by gas stream
Wettable powder, adds 26kg water mix homogeneously in 100kg wettable powder, extruder grain, dries, sieves
Divide i.e. to obtain and i.e. obtain 54% halosulfuronmethyl nicosulfuron butachlor water dispersion granule.
The preparation of embodiment 4 herbicide wettable powder
Take halosulfuronmethyl 30%, nicosulfuron 4%, butachlor 40%, sodium lauryl sulphate 7%,
Alkylphenol polyoxyethylene 7%, aliphatic alcohol polyethenoxy ether carboxylate 4%, white carbon complement to 100%,
Mix homogeneously, after comminution by gas stream, obtains 74% ammonia halosulfuronmethyl nicosulfuron butachlor wettable
Property powder.
Embodiment 5 herbicide dispersibles the preparation of oil suspending agent
Take halosulfuronmethyl 10%, nicosulfuron 10%, butachlor 65%, alkylphenol polyoxyethylene first
Aldehyde condensate 9%, fatty alcohol polyoxyethylene ether sulfate 5%, alkyl polyoxyethylene ether 5%, organic swelling
Soil 0.5%, soybean oil are supplied 100%, are stirred, and shear 1 hour, cross sand mill and are ground to carefully
Degree D (90), less than or equal to 5 μm, obtains 85% halosulfuronmethyl nicosulfuron butachlor and dispersibles oily outstanding
Floating agent.
The preparation of embodiment 6 herbicide water dispersible granule
Take halosulfuronmethyl 75%, nicosulfuron 2%, butachlor 10%, pull open powder 4%, benzene sulfonamide
Acid calcium 3%, alkylphenol-formaldehyde resin polyoxyethyl ether 2%, white carbon 1%, sodium bicarbonate 1%, sodio
Bentonite complements to 100%%, mix homogeneously, after comminution by gas stream wettable powder, can at 100kg
WP adds 26kg water mix homogeneously, extruder grain, dries, sieve and i.e. obtain 87% halosulfuronmethyl cigarette
Sulfometuron Methyl butachlor water dispersible granules.
The test of pesticide effectiveness of embodiment 7 herbicide
Example 1 to embodiment 6 prepares herbicide and carries out effect experiment, with 75% halosulfuronmethyl water
Dispersible granule as a control group 1,40g/L nicosulfuron dispersible oil-suspending agent 2,50% fourth as a control group
Grass amine cream as a control group 3, clear water is as blank group.
(1) each group medicine to be measured synergy effect to weeds:
Co-toxicity coefficient method is used to evaluate the Herbicidal combinations of present invention offer and the potentiation work of pharmaceutical preparation thereof
With: with the natural logrithm of drug concentration (X) and medicament to the growth inhibited percent of target weeds or fresh weight
Regression equation is sought in suppression percent (Y), and calculates the medicament EC to weeds50Value or EC90Value, so
After try to achieve co-toxicity coefficient.The compound drug synergy effect to weeds is evaluated, altogether poison system with co-toxicity coefficient
Number > 120 it is expressed as potentiation, co-toxicity coefficient is expressed as summation action, co-toxicity coefficient between 80～120
< 80 are expressed as antagonism.
The co-toxicity coefficient computing formula used in the present embodiment is as follows:
Co-toxicity coefficient (CTC)=100/ (EC is mixed × and P halosulfuronmethyl/EC halosulfuronmethyl+EC is mixed × P
Nicosulfuron/EC nicosulfuron+EC mixes × P butachlor/EC butachlor)
In formula: EC mixes the EC into mixture50Value (to Amaranthus mangostanus L. and Herba Eleusines Indicae, lower same)；P halosulfuronmethyl is
Halosulfuronmethyl is shared part by weight in mixture effective ingredient；P nicosulfuron is that nicosulfuron has at mixture
Shared part by weight in effect composition；P butachlor is butachlor shared part by weight in mixture effective ingredient；
EC halosulfuronmethyl is the EC of halosulfuronmethyl50Value；EC nicosulfuron is the EC of nicosulfuron50Value；EC
Butachlor is the EC of butachlor50Value.The EC of each group medicine to be measured50Value and co-toxicity coefficient are shown in Table 1.
The EC of the medicine to be measured of each group of table 150Value and co-toxicity coefficient
Experimental result from table 1, gained weeding after halosulfuronmethyl, nicosulfuron and butachlor are compounding
In agent, halosulfuronmethyl, nicosulfuron, butachlor weight ratio in (5～75): (1～10): (5～65)
Time, its co-toxicity coefficient is all higher than 120, illustrate halosulfuronmethyl, nicosulfuron and butachlor after compounding,
Create obvious potentiation.
(2) each group medicine to be measured processes preventive effect result to the stem and leaf of various weeds
Testing and carry out in the corn field of summer of Yucheng, Shangqiu, each group processes 4 times and repeats, and processing area is
20m2；The herbicide that embodiment 1 to embodiment 6 provides, and matched group 1, matched group 2, matched group 3 provide
The insecticide-applying way of medicine to be measured be the spraying of Semen Maydis 3～5 leaf phase stem and leaf.30 days statistics preventive effect results after medicine.
Test process, formulation rate and preventive effect the results are shown in Table 2.
Preventive effect computing formula is:
Strain preventive effect (%)=(check plot weeds strain number-treatment region weeds strain number)/weeds strain number × 100, check plot
Table 2 corn field weed stem and leaf processes each group medication administration to be measured amount and preventive effect result
From table 2, experimental result understands, compared with halosulfuronmethyl, nicosulfuron, butachlor single dose, and chlorine
The weeding effect of gained Herbicidal combinations and pharmaceutical preparation thereof after pyrazosulfuron, nicosulfuron and butachlor are compounding
Fruit will be apparently higher than any one single dose in three components, and significant difference (P ＜ 0.05) creates potentiation
Effect, expands weed control spectrum.
In sum, the herbicide that the present invention provides is compounding at halosulfuronmethyl, nicosulfuron and butachlor
After, reaching potentiation, expanded weed control spectrum, the weeds Herba Eleusines Indicae that the antagonism property of medicine is stronger also can be effective
Preventing and treating, and do not produce poisoning, can be used for preventing and treating corn field weed.
The above is only the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, under the premise without departing from the principles of the invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a Herbicidal combinations, it is characterised in that by halosulfuronmethyl, nicosulfuron and butachlor
Composition, described halosulfuronmethyl, described nicosulfuron are (5～75) with the weight ratio of described butachlor:
(1～10): (5～65).
2. Herbicidal combinations as claimed in claim 1 is in preparing Control Weeds in Maize Field herbicide
Application.
3. a herbicide, it is characterised in that by Herbicidal combinations as claimed in claim 1 and agriculture
Pharmaceutically acceptable adjuvant forms.
Herbicide the most according to claim 3, it is characterised in that described Herbicidal combinations is in institute
Stating the weight content in herbicide is 11%～99%.
Herbicide the most according to claim 3, it is characterised in that acceptable in described Pesticide Science
Adjuvant selected from wetting agent, emulsifying agent, dispersant, defoamer, disintegrating agent, interleaving agent, thickening agent,
A kind of or both mixture above in antifreezing agent, preservative, carrier or solvent.
Herbicide the most according to claim 3, it is characterised in that the dosage form of described herbicide is
Powder, wettable powder, soluble powder, granule, water dispersible granules, suspending agent, suspended emulsion,
Dispersible oil-suspending agent, cream or aqueous emulsion.
Herbicide the most according to claim 6, it is characterised in that the dosage form of described herbicide is can
During dispersed oil suspending agent, in described Pesticide Science acceptable adjuvant include dispersant, emulsifying agent, wetting agent,
Thickening agent or the one of solvent or both things mixed above.
Herbicide the most according to claim 6, it is characterised in that the dosage form of described herbicide is can
During WP, in described Pesticide Science, acceptable adjuvant includes wetting agent, dispersant, emulsifying agent or load
One in body or both things mixed above.
Herbicide the most according to claim 6, it is characterised in that the dosage form of described herbicide is
During water dispersible granules, in described Pesticide Science acceptable adjuvant include wetting agent, dispersant, emulsifying agent,
One in disintegrating agent or carrier or both things mixed above.
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| CN104920414A (en) * | 2015-06-03 | 2015-09-23 | 王丽军 | Compound herbicide |
| CN105851036A (en) * | 2016-04-30 | 2016-08-17 | 广东中迅农科股份有限公司 | Halosulfuron-methyl dispersible oil suspending agent and preparation method thereof |
| CN106719760A (en) * | 2017-01-22 | 2017-05-31 | 江苏省苏科农化有限责任公司 | Herbicidal composition for rice field and its application |
| CN111972406A (en) * | 2020-07-29 | 2020-11-24 | 南京太化化工有限公司 | Auxiliary agent for dispersible oil suspending agent and nicosulfuron dispersible oil suspending agent |
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| CN102845444A (en) * | 2011-06-29 | 2013-01-02 | 南通丰田化工有限公司 | pyrazosulfuron-ethyl.butachlor wettable powder and its preparation method |
| CN103300039A (en) * | 2013-07-12 | 2013-09-18 | 安徽丰乐农化有限责任公司 | Compounded herbicide for corn seedlings of postemergence |
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| CN102845444A (en) * | 2011-06-29 | 2013-01-02 | 南通丰田化工有限公司 | pyrazosulfuron-ethyl.butachlor wettable powder and its preparation method |
| CN103300039A (en) * | 2013-07-12 | 2013-09-18 | 安徽丰乐农化有限责任公司 | Compounded herbicide for corn seedlings of postemergence |
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