CN106472504A - A kind of Mediben complex weedicide - Google Patents
A kind of Mediben complex weedicide Download PDFInfo
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- CN106472504A CN106472504A CN201610899140.6A CN201610899140A CN106472504A CN 106472504 A CN106472504 A CN 106472504A CN 201610899140 A CN201610899140 A CN 201610899140A CN 106472504 A CN106472504 A CN 106472504A
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
-
- 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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- 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
-
- 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<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
-
- 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
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Mediben complex weedicide, including one Mediben of active component, active component two and auxiliary agent, the active component two is that chlortoluron, chlorine sulphur is grand, the combination of one or more in isoproturon, metsulfuron-methyl, iodosulfuron-methyl-sodium, alkynes oxalic acid, pinoxaden, the auxiliary agent is dispersant, emulsifying agent, wetting agent, disintegrant, binding agent, antifreezing agent, thickener, filler, the two or more composition in solvent, the formulation of complex weedicide can be wettable powder, missible oil, suspending agent, water dispersion granule, soluble concentrate.In Mediben complex weedicide, active component one is 1 with the mass ratio of active component two:50‑1:2, the complex weedicide of the present invention can be used to while prevent and kill off broad leaved weed and the grassy weed of wheat paddock, to expand weed control spectrum, increase preventive effect, delay Weed Resistance, can also reduce the consumption of Mediben, reduce use cost, improve the security to wheat.
Description
Technical field
The invention belongs to technical field of pesticide, is related to a kind of complex weedicide containing Mediben.
Background technology
Wheat is the main cereal crops of China, and wheat weedses have a strong impact on the growth of wheat, and weeds of wheat is main
There are broad leaved weed and grassy weed, wherein, distribution is more universal and heavier weeds that wheat seeding is caused harm have 19 kinds, bag in the whole nation
Include Descurainia sophia, clearvers, common vetch, little lamb's-quarters, concave head amaranth, purslane, chickweed, caput grass, Bermuda grass, Paspalum distichum, setaria glauca
Grass, field thistle, dayflower, Armstrong, field bindweed, sowthistle, little japanese bearbind, penny cress, moleplant seed, spire moleplant seed and reed.In recent years
Come, with the continuous expansion of wheat planting area, crop smothering also day by day expands, in order to reduce the economic loss caused by crop smothering, really
The growth for protecting wheat is more stable, while also because chemical weed control is convenient, quick-acting, control time is long, herbicide has been widely used
Each period in wheat growth.
The kind of wheat field herbicide is increasing, and usable floor area is also increasing, proper use of herbicide not only relation
To the height of drug effect, the control to poisoning is also critically important, selects a kind of high activity, herbicide wide ranges and to plant height safety
Herbicide can not only reduce the labour intensity of friend peasant, shorten working time, but also can reduce and cultivate cost, reach volume increase
Purpose.For many years, with the use of herbicide, the particularity of wheat paddock weeding in addition, resistant weed kind is more and more, area
Domain is increasing, and existing herbicide kind is difficult while preventing and kill off grass family and the broad leaved weed of wheat paddock, it is suitable to select
Mixture of herbicides can not only expand weed control spectrum, increase preventive effect, and can reduce use cost, delay Weed Resistance.
Mediben, trade name Dicamba, wheat straw prestige, are a kind of benzoic acid systems with selectivity and Uptake and translocation effect
Row herbicide, its mechanism of action belong to hormone like herbicide, and weeds poisoning symptom is similar to the effect symptom of auxin material, medicine
Agent is conducted by bast and xylem up and down by the stem of weeds, leaf, root absorption, hinders the normal activity of plant hormone, from
And make which dead.Mediben has higher selection removing activity to broad leaved weed, and the lasting period is long, can be used to prevent and kill off pig calamity
Calamity, corn-bind, lamb's-quarters, ox chickweed, common vetch, ma's lettuce, Siberian cocklebur, Bao Shuocao, field bindweed, field thistle, meadow pine, carp intestines etc. are broadcast, to little
The gramineous crops such as wheat, corn, millet, paddy rice are safer.
Mediben be state key encourage and development high-efficiency low-toxicity herbicide, with herbicide power is strong, drug effect rapid, use
Amount is less, holding effect is moderate, high financial profit the features such as, in recent years, with a large amount of uses of Mediben, part broad leaved weed is right successively
Resistance is which created, the use of Mediben has been had a strong impact on, and as Mediben weed control spectrum is narrower, part broad-leaved can only have been prevented and kill off
Weeds, and to grassy weed almost without preventive effect, the generation that can not completely effectively control weeds of wheat is used alone, in addition
The price of Mediben is higher, is used alone with significant limitation, and this is accomplished by use weeding by compounding other wheat paddocks
Agent is improving prevention effect.
Chlortoluron, chlorine sulphur are grand, isoproturon, metsulfuron-methyl, iodosulfuron-methyl-sodium can prevent and kill off major part used in wheat paddock
Annual gramineous weed and part broad leaved weed, and alkynes oxalic acid, pinoxaden can prevent and kill off wheat paddock major part grassy weed,
But to broad leaved weed almost without effect.Each of the above herbicide have oneself distinctive herbicidal spectrum and can not prevent and kill off miscellaneous
Grass, exclusive use herbicidal effect are less desirable, and therefore, Mediben can be used with one or more mixtures in above-mentioned herbicide
To prevent and kill off simultaneously broad leaved weed and the grassy weed of wheat paddock, weed control spectrum not only can be expanded, increase preventive effect, delay weeds to resist
Property, the consumption of Mediben can also be reduced, reduce use cost, improve the security to wheat.
Content of the invention
The technical problem of solution
The technical problem to be solved is, a kind of complex weedicide containing Mediben, miscellaneous for preventing and kill off wheat paddock
Grass, while preventing and kill off broad leaved weed and the grassy weed of wheat paddock, not only expanding weed control spectrum, increasing preventive effect, delaying Weed Resistance,
The consumption of Mediben can also be reduced, reduce use cost, improve the security to wheat seeding.
Technical scheme
The present invention is achieved through the following technical solutions：
Mediben complex weedicide, including one Mediben of active component, active component two and auxiliary agent, the active component two
One or more for chlortoluron, chlorine sulphur is grand, in isoproturon, metsulfuron-methyl, iodosulfuron-methyl-sodium, alkynes oxalic acid, pinoxaden
Combination, the auxiliary agent is dispersant, emulsifying agent, wetting agent, disintegrant, binding agent, antifreezing agent, thickener, filler, in solvent
Two or more compositions.
In Mediben complex weedicide, active component one is 1 with the mass ratio of active component two:50-1:2, preferably
1:20-1:2, more preferably 1:10-1:5；The quality sum of one Mediben of the active component and active component two is wheat straw
The 15%-85% of fear complex weedicide gross mass.
The function of dispersant is to maintain particle disperse, prevents from condensing conglomeration, and dispersant of the present invention is selected from lignin
Sulfonate, lauryl sodium sulfate, alkylaryl APEO, ethoxylated dodecyl alcohol sodium sulphate, naphthalenesulfonateformaldehyde formaldehyde contracting
Compound, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, Sodium Polyacrylate, aliphatic alcohol polyethenoxy base ether, benzene sulfonamide
Acid calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy
A kind of or or two or more composition in ester, sodium metnylene bis-naphthalene sulfonate.
Emulsifying agent can make a kind of fluid be dispersed stably in another kind of liquid immiscible therewith with atomic little liquid pearl
In, emulsion is formed, emulsifying agent of the present invention is alkyl benzene calcium sulfonate, NPE, triethanolamine salt, benzyl
Base dimethyl phenol polyoxyethyl ether, phenyl phenol polyoxyethyl ether, alkylphenol-formaldehyde resin polyoxyethyl ether, phenethyl phenol formaldehyde tree
Fat polyoxyethyl ether, castor oil polyoxyethylene ether, alkylaryl polyoxyethylene polyoxypropylene ether again, alkylaryl polyoxyethylene polyoxy
One kind or two in propylene ether, three phenethyl phenol polyethenoxy ethers, double phenethyl phenol polyethenoxy ethers, AEO
Plant above composition.
The function of wetting agent is to reduce the surface tension of liquid, so that powder is moistened rapidly, and makes liquid easily apply mesh
Target surface wettability and spread, help medicament infiltration, wetting agent of the present invention have spaonin powder containing saponin, camellia oleosa seed cake powder and
Lignosulfite containing lignin, and surfactant such as polyoxyethylene groups alkyl aryl ether, the polyoxyethylene of synthesis
Base alkyl ether, alkylbenzenesulfonate, alkylnaphthalene sulfonate, alkyl sulfate, fatty alcohol polyglycol ether sulfate, alkylnaphthalene first
One or more composition in aldehyde condensate.
The effect of disintegrant is to improve disintegration rate of the particle in water so as to which rapid disintegration is dispersed to the particle before granulation
State, disintegrant of the present invention are sodium acid carbonate, sodium carbonate, ammonium sulfate, sodium sulphate, sodium chloride, urea, sucrose, grape
One kind in sugar, aluminium chloride.
Binding agent is that binding agent of the present invention is formed sediment for soluble in order to improve the ratio of briquetting of granulation effect and particle
One kind in powder, polyvinyl alcohol, dextrin, xanthans.
Antifreezing agent adds antifreezing agent carry to because weather reason is endured cold solidification during preventing accumulating, damage properties of product
The low-temperature stability of higher suspension agent, is also prevented from product surface and dries and skinning, and antifreezing agent of the present invention is glycerine, second
One kind in glycol, propane diols, polyethylene glycol, isobutanol, diethylene glycol (DEG), triethylene glycol, glycerine.
Thickener is primarily to the rheological characteristic of regulation liquid and mobility, prevent scattered particle because being produced by Action of Gravity Field
Layer estranged and precipitation, while ensure that product easily dilution and is flowed in bucket is mixed, thickener of the present invention is polyethylene glycol,
Polyvinyl alcohol, methylcellulose, xanthans, gelatin, hydroxymethyl cellulose, aluminium-magnesium silicate, sodium tripolyphosphate, PAA, phenol
One kind in urea formaldehyde.
It is referred to as filler for diluting the inert solid filler of active compound in formulation, filler of the present invention is permissible
It is potter's clay, kaolin, diatomite, talcum powder, atlapulgite, bentonite, attapulgite, white carbon, starch, gypsum, lightweight carbon
One or more composition in sour calcium etc..
Solvent refers to the general name of pesticide industry production and the liquid diluent used in application technology, of the present invention molten
It can be water, benzene class, alcohols, tetrahydrofuran, dichloromethane, chloroform, dimethylformamide, N- crassitude that agent has
In ketone, ethyl acetate, acetone, butanone, ether, petroleum ether, diesel oil, epoxidized soybean oil, plant soybean oil, liquid wax, lubricating oil
One or more composition.
According to different environmental conditions or needs are used, complex weedicide of the present invention can be by agriculture conventional at present
The medicine mode of production, is prepared into any formulation for agriculturally allowing, and is preferably processed into wettable powder, missible oil, suspending agent, moisture and dissipates
Granule, soluble concentrate.Apply said composition to spray after being diluted using known method.
The preparation of Mediben complex weedicide of the present invention is wettable powder, and the percentage by weight of its auxiliary agent is for dividing
Powder 3%-8%, wetting agent 2%-5%, balance of filler, auxiliary agent and active component one, two percentage by weight of active component it
With for 100%.
The preparation of Mediben complex weedicide of the present invention is missible oil, and the percentage by weight of its auxiliary agent is solvent
20%-80%, emulsifying agent 5%-20%, auxiliary agent are 100% with active component one, two percentage by weight sum of active component；Institute
State solvent for toluene, dimethylbenzene, methyl alcohol, ethanol, isopropanol, cyclohexanone, methyl naphthalene, 1-METHYLPYRROLIDONE, sec-butyl acetate,
One or more composition in plants essential oil, biodiesel, methyl oleate.
The preparation of Mediben complex weedicide of the present invention is suspending agent, and the percentage by weight of its auxiliary agent is dispersant
3%-7%, wetting agent 2%-5%, antifreezing agent 1%-3%, thickener 3%-5%, solvent 20%-80%, auxiliary agent are become with activity
It is 100% to divide one, two sum of active component；The solvent is water.
The preparation of Mediben complex weedicide of the present invention is water dispersion granule, and the percentage by weight of its auxiliary agent is
Dispersant 5%-10%, wetting agent 2%-5%, disintegrant 1%-5%, binding agent 1%-5%, balance of filler, auxiliary agent and work
Property composition one, two percentage by weight sum of active component be 100%.
The preparation of Mediben complex weedicide of the present invention is soluble concentrate, and the percentage by weight of its auxiliary agent is solvent
20%-80%, emulsifying agent 5%-20%, auxiliary agent are 100% with active component one, two sum of active component；The solvent is two
One or more composition in methyl sulfoxide, dimethylformamide, 1-METHYLPYRROLIDONE.
Beneficial effect
The active component one of the present invention and the cooperation of active component two and the rational proportion of content, effectively can prevent and kill off
The various broad leaved weeds of wheat paddock and grassy weed.
The Herbicidal combinations of the present invention have advantages below：
1st, herbicidal spectrum is wide.Mediben is mainly used in preventing and kill off broad leaved weed, and weed control spectrum is narrower, and exclusive use can not be fully effective
The generation of ground control weeds of wheat, is subject to a definite limitation in use, and the Mediben complex weedicide of the present invention can be prevented simultaneously
Except broad leaved weed and the grassy weed of wheat paddock, synergy well is served.
2nd, substantially, activity of weeding is high for synergistic effect.The complex weedicide that the present invention is provided, in certain ratio range Nei Qilian
Cooperation is significantly improved than single dose with obvious synergistic effect, herbicidal effect is shown, and drastically increases removing activity, is killed
Careless speed is fast.
3rd, delay Weed Resistance.The complex weedicide of the present invention can delay or overcome the drug-fast generation of weeds of wheat,
The service life of medicament is extended, is conducive to agricultural synthesis to administer.
4th, reduce use cost, safe.The complex weedicide of the present invention not only can reduce the consumption of Mediben, drop
Low use cost, can also improve the security to wheat seedling.
Specific embodiment
The above of the present invention is described in further detail below by way of specific embodiment, but this should not be understood
Below example is only limitted to for the scope of the above-mentioned theme of the present invention.Without departing from the idea case in the present invention described above, root
The various replacements that makes according to ordinary skill knowledge and customary means or change, all should be included within the scope of the invention.
Embodiment 1
Take Mediben 2%, chlortoluron 20%, sodium lignin sulfonate 5%, neopelex 4%, kaolin is added to
Above-mentioned raw materials are first pre-mixed by 100% weight portion, are added the micro jet for being furnished with freeze drier and are surpassed
Micro mist is broken to grain diameter for 5-10 micron, obtains final product Mediben complex weedicide, the wherein quality hundred of Mediben, both chlortolurons
It is 22% to divide content, and complex weedicide is wettable powder.
Embodiment 2
Take Mediben 1%, chlorine sulphur grand 50%, calcium lignosulfonate 3%, lauryl sodium sulfate 5%, diatomite is added to
Above-mentioned raw materials are first pre-mixed by 100% weight portion, are added the micro jet for being furnished with freeze drier and are surpassed
Micro mist is broken to grain diameter for 5-10 micron, obtains final product Mediben complex weedicide, wherein Mediben, chlorine sulphur both quality hundred grand
It is 51% to divide content, and complex weedicide is wettable powder.
Embodiment 3
Mediben 5%, metsulfuron-methyl 15%, alkynes oxalic acid 10%, NPE 8% is taken, plus methyl oleate is extremely
100% weight portion, stirs 30 in the order addition reactor that above-mentioned substance is pressed methyl oleate, Mediben, metsulfuron-methyl, alkynes oxalic acid
Minute, add NPE to stir afterwards 20 minutes, obtain final product Mediben complex weedicide, wherein Mediben, metsulfuron-methyl
Weight/mass percentage composition with alkynes oxalic acid three is 30%, and complex weedicide is missible oil.
Embodiment 4
Take Mediben 5%, isoproturon 8%, pinoxaden 7%, sodium lignin sulfonate 3%, neopelex
4%, ethylene glycol 2%, xanthans 5%, 100% weight portion is added water to, above-mentioned substance is pressed water, sodium lignin sulfonate, dodecane
Base benzene sulfonic acid sodium salt, Mediben, isoproturon, the order of pinoxaden add grinding machine for grinding 4 hours, add xanthans, second
Glycol grinds 30 minutes, obtains final product Mediben complex weedicide, the wherein percent mass of Mediben, isoproturon and pinoxaden three
Content is 20%, and complex weedicide is suspending agent.
Embodiment 5
Take Mediben 25%, chlortoluron 35%, pinoxaden 25%, sodium lignin sulfonate 5%, neopelex
2%, ammonium sulfate 1%, dextrin 1%, white carbon supply 100%, it is crushed to airslide disintegrating mill after above-mentioned substance is sufficiently mixed
Preparation particle diameter reaches 5-10 micron, then is granulated with Squeezinggranulator, obtains final product Mediben complex weedicide, wherein Mediben, green
The weight/mass percentage composition of Mai Long and pinoxaden three is 85%, and complex weedicide is water dispersible granules.
Embodiment 6
Take Mediben 5%, iodosulfuron-methyl-sodium 10%, phenyl phenol polyoxyethyl ether 5%, dimethyl sulfoxide (DMSO) is supplied
100%, above-mentioned substance is added in reactor by the order of dimethyl sulfoxide (DMSO), Mediben, iodosulfuron-methyl-sodium and is stirred to complete
CL, adds phenyl phenol polyoxyethyl ether and stirs 30 minutes, obtain final product Mediben complex weedicide, wherein Mediben and methyl
The weight/mass percentage composition of both grand sodium salts of iodine sulphur is 15%, and complex weedicide is soluble concentrate.
Note：" % " is weight percentage above.
Embodiment 7
Field control effectiveness test
Reagent agent：6 kinds of Mediben complex weedicides of embodiment 1～6.
Comparison medicament：48% dicamba aqueous solution (commercially available).
For studying thing：Wheat, wheat seedling were 2～5 leaf phases, grew fine, robust plant, no other pest and disease damages.
Prevent and kill off object：The grassy weed such as the broad leaved weeds such as clearvers, common vetch and amur foxtail, wild oat.
Test method：Test totally 7 process, each processes three repetitions, cell random alignment, plot area 100m2.Enter
Cauline leaf spraying of row, after medicine, 30d observes the preventive effect of each medicament, records the synoptic data of the dispenser same day and its one week after, specifically
As follows：According to the area of experimental plot, the good various medicaments of precise, make the content of the active ingredient of every kind of medicament identical, and
After being watered dilution, using knapsack sprayer, even spraying, the special Fan spray head of sprinkler selection herbicide is carried out.During spraying,
It is noted that liquid is uniformly sprayed application in experimental plot, accomplish the phenomenon without drain spray, many sprays.A blank district is separately set,
Not dispenser.
The dispenser same day and its one week after fine, temperature between 10 DEG C -25 DEG C, 30d observation weeds after administration
Death condition, and the herbicidal effect of the various medicaments of comparison, the method for testing of preventive effect are as follows：4 point are taken at random per cell, per investigation
1/4 square metre, before dispenser, after dispenser, 30 days record weeds strain numbers, calculate weeds strain preventive effect.Additionally, will also 1 after medicine～
In 30d, the growing state of observation crop, is compared with blank district, to investigate whether medicament has poisoning to crop.The present invention's
Embodiment preparation Herbicidal Testing Trials effect see the table below：
Field control effectiveness test result
As can be seen from the table, the Mediben complex weedicide of the present invention compensate for Mediben single dose weed control spectrum narrow lack
Most broad leaved weeds and grassy weed are all had significant preventive effect by point, building performance notable, can be controlled well little
The crop smothering of wheatland.Each wheat seedling processed in cell grows fine, and has no any medicine spot, illustrates that various medicaments are all pacified to wheat
Entirely.
Claims (5)
1. a kind of Mediben complex weedicide, including one Mediben of active component, active component two and auxiliary agent, it is characterised in that：
The active component two is that chlortoluron, chlorine sulphur is grand, in isoproturon, metsulfuron-methyl, iodosulfuron-methyl-sodium, alkynes oxalic acid, pinoxaden
The combination of one or more, the auxiliary agent be dispersant, emulsifying agent, wetting agent, disintegrant, binding agent, antifreezing agent, thickening
Agent, filler, the two or more composition in solvent；
The quality sum of one Mediben of the active component and active component two is the 15%- of Mediben complex weedicide gross mass
85%, active component one is 1 with the mass ratio of active component two:50-1:2.
2. Mediben complex weedicide according to claim 1, it is characterised in that：The active component one and active component
Two mass ratio is 1:10-1:5.
3. Mediben complex weedicide according to claim 1 and 2, it is characterised in that：Described dispersant is lignin
Sulfonate, lauryl sodium sulfate, alkylaryl APEO, sulfonate and its formaldehyde condensation products, lauryl alcohol polyethylene glycol oxide
Ether sodium sulfate, naphthalene sulfonic acid-formaldehyde condensation product, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, Sodium Polyacrylate, fatty alcohol
Polyoxyethylene ether, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, fatty amine polyoxy
One or more composition in vinethene, polyoxyethylene carboxylate, sodium metnylene bis-naphthalene sulfonate；
Described emulsifying agent is alkyl benzene calcium sulfonate, NPE, triethanolamine salt, benzyl dimethyl phenol polyoxy second
Base ether, phenyl phenol polyoxyethyl ether, alkylphenol-formaldehyde resin polyoxyethyl ether, phenethyl phenol formaldehyde resin polyoxyethyl ether, castor
Sesame oil APEO, alkylaryl polyoxyethylene polyoxypropylene ether again, alkylaryl polyoxyethylene poly-oxygen propylene aether, three phenethyls
One or more composition in phenol polyethenoxy ether, double phenethyl phenol polyethenoxy ethers, AEO；
Described wetting agent is spaonin powder containing saponin, camellia oleosa seed cake powder, the lignosulfite containing lignin, polyoxyethylene groups
Alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate, alkyl sulfate, poly alkyl alcohol second two
One or more composition in ether alcohol sulfate, alkyl naphthalene formaldehyde condensation product；
Described disintegrant is sodium acid carbonate, sodium carbonate, ammonium sulfate, sodium sulphate, sodium chloride, urea, sucrose, glucose, chlorination
One kind in aluminium；
Described binding agent is soluble starch, polyvinyl alcohol, dextrin, the one kind in xanthans；
Described antifreezing agent is glycerine, ethylene glycol, propane diols, polyethylene glycol, isobutanol, diethylene glycol (DEG), triethylene glycol, in glycerine
A kind of.
4. the Mediben complex weedicide described in claim 1,2 or 3, it is characterised in that：Described complex weedicide is used for
Wheat paddock weeding.
5. Mediben complex weedicide according to claim 4, it is characterised in that：Described complex weedicide is used for preventing and kill off
Broad leaved weed and grassy weed in wheat paddock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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