CN104322528A - Herbicide composition, application and medicinal preparation thereof - Google Patents
Herbicide composition, application and medicinal preparation thereof Download PDFInfo
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- CN104322528A CN104322528A CN201410519406.0A CN201410519406A CN104322528A CN 104322528 A CN104322528 A CN 104322528A CN 201410519406 A CN201410519406 A CN 201410519406A CN 104322528 A CN104322528 A CN 104322528A
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Abstract
The invention belongs to the field of pesticides and especially relates to an herbicide composition, an application and a medicinal preparation thereof. The corn field herbicide composition is composed of following components, by weight, 5-75 parts of amicarbazone, 1-10 parts of nicosulfuron and 10-75 parts of atrazine. By means of different action mechanisms of the three herbicides: the amicarbazone, the nicosulfuron and the atrazine, the three herbicides are compounded in the corn field herbicide composition for achieving a synergistic effect. The ternary mixture can effectively prevent and treat weeds in a corn field, is wide in herbicide spectrum and is long in effective time. The herbicide composition can be prepared into a suspending agent, a dispersible oily suspending agent, a wettable powder or a water dispersible granule.
Description
Technical field
The invention belongs to technical field of pesticide, particularly a kind of Herbicidal combinations, application and pharmaceutical preparation thereof.
Background technology
Corn herbicide kind is more, can be divided into cauline leaf process weed killer herbicide and closed soil treatment weed killer herbicide according to application method.Cauline leaf process weed killer herbicide refers to after weeds emerge, directly be applied to the medicament that weeds cauline leaf kills weeds, its using method, for weed killer herbicide is diluted in a certain amount of water, carries out sprinkling process to weeds seedling, eliminates weeds by weeds cauline leaf to the absorption of medicine and conduction.Closed soil treatment weed killer herbicide in use, is spread on upper soll layer weed killer herbicide or admixes in soil by mixed native operation handlebar weed killer herbicide, setting up a weed killer herbicide confining bed, to kill the weeds of sprouting; This kind of weed killer herbicide can be absorbed by the root of weeds, tooth sheath or upper hypocotyl etc. and play a role.
Now weed killer herbicide kind is commercially varied, and the long-term single use of a lot of weed killer herbicide can make weeds develop immunity to drugs, and brings a lot of inconvenience to cultivating of peasant.Current corn field herbicide mainly herbicide after seedling, the impact of weed killer herbicide climate factor is closed before seedling, effect cannot ensure, herbicide after seedling a drug can control the weeds of a season of growth, herbicide after seedling mainly nicosulfuron class and mesotrione class conventional at present, nicosulfuron starts to produce resistance owing to using year after year, but do not have other better medicaments to substitute at present, mesotrione class medicament instant effect, but weeds are with recurrence, be badly in need of that a kind of control efficiency is good, instant effect, dead grass corn field herbicide thoroughly.
Summary of the invention
In view of this, goal of the invention of the present invention is to provide a kind of cornfield weeding composition and pharmaceutical preparation thereof.The control efficiency of this cornfield weeding composition is good, instant effect, dead grass is thorough, can effective control of maize field crop smothering, suspending agent can be prepared into, dispersible oil-suspending agent, wetting powder or water dispersible granules, can be used as corn field cauline leaf process weed killer herbicide and use.
For realizing goal of the invention of the present invention, the invention provides following technical scheme:
The invention provides a kind of cornfield weeding composition, it is made up of the component of following weight portion:
Amicarbazone 5 ~ 70 parts
Nicosulfuron 1 ~ 10 part
Atrazine 10 ~ 75 parts.
Amicarbazone is inhibitor of photosynthesis, soil treatment can be carried out also can carry out cauline leaf and spray, mainly through root system and Foliage Absorption, be mainly used in preventing and kill off broad leaved weed and small part grassy weed, sensitive plant is chlorisis by classical symptom after medicine, stop growing, organize withered and yellow until finally dead.
Nicosulfuron is herbicides special after corn field seedling, have significant preventive effect to the grassy weed in corn field and part broad leaved weed, good to corn safety, but due to nicosulfuron mainly high to grassy weed activity, only good to part broad leaved weed activity, its herbicide spectrum is narrower.
Atrazine is before interior suction selectivity seedling, herbicide after seedling, root absorption is main, cauline leaf absorbs seldom, be applicable to corn, Chinese sorghum, sugarcane, fruit tree, nursery, forest land, all have certain inhibitory action to Cruciferae, pulse family weeds and some perennial weed, and easily by rainwater drip washing to soil comparatively deep layer, also effective to some dark root grass, but easily produce poisoning, the lasting period is also longer.
After different herbicidal activity component mixing, each active component is due to the difference of composition, structure, physicochemical property, makes the synergy between each active component be usually expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and its effect produced is greater than the sum total of each composition effect; And summation action is exactly the sum total that its effect produced equals each composition effect; When antagonism refers to that two kinds of materials act on living organism, create the effect that a kind of material disturbs another material, or the effect of interfering with an opponent each other, make the phenomenon that general effect declines.
The present invention make use of the different mechanisms of action of amicarbazone, nicosulfuron, atrazine three kinds of weed killer herbicides dexterously, is undertaken composite, reach synergistic effect by three.The present invention with reference to co-toxicity coefficient method evaluate three kinds of different activities components in cornfield weeding composition provided by the invention composite after interaction, wherein, co-toxicity coefficient >120 is synergistic effect, co-toxicity coefficient is expressed as summation action between 80 ~ 120, and co-toxicity coefficient <80 is expressed as antagonism.Experimental result confirms, after cornfield weeding composition provided by the invention can be used as corn field seedling, weeds foliar herbicide weed killer herbicide uses, and the co-toxicity coefficient >120 of this cornfield weeding composition is synergistic effect.Experimental result also shows, cornfield weeding composition provided by the invention effectively can prevent and kill off the eleusine indica, the green foxtail that existing weed killer herbicide have been produced to very strong resistance; And this cornfield weeding composition is to corn safety.
In some embodiments of the invention, in cornfield weeding composition provided by the invention, the content of amicarbazone is 5 weight portions, 10 weight portions, 20 weight portions, 25 weight portions, 30 weight portions, 50 weight portions or 70 weight portions.
In some embodiments of the invention, in cornfield weeding composition provided by the invention, the content of nicosulfuron is 1 weight portion, 2 weight portions, 4 weight portions, 7 weight portions or 10 weight portions.
In some embodiments of the invention, in cornfield weeding composition provided by the invention, atrazine is 10 weight portions, 20 weight portions, 22 weight portion 25 weight portions, 30 weight portions or 75 weight portions.
Present invention also offers a kind of cornfield weeding composition pharmaceutical preparation, it is made up of auxiliary material acceptable in cornfield weeding composition provided by the invention and Pesticide Science,
This cornfield weeding composition is made up of the component of following weight portion:
Amicarbazone 5 ~ 70 parts
Nicosulfuron 1 ~ 10 part
Atrazine 10 ~ 75 parts.
Preferably, in this pharmaceutical preparation provided, by percentage to the quality, wherein the content of cornfield weeding composition provided by the invention is 16% ~ 99%.In some embodiments of the invention, by percentage to the quality, the content of cornfield weeding composition provided by the invention is 16%, 42%, 49%, 52%, 57%, 80%, 81%, 90%, 95% or 99%.
Preferably, in pharmaceutical preparation provided by the invention, in Pesticide Science, acceptable auxiliary material comprises one in emulsifier, wetting agent, dispersant, thickener, antifreezing agent, preservative, thixotropic agent, interleaving agent, disintegrant or carrier or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, dispersant is one in sodium lignin sulfonate, calcium lignosulfonate, Sodium Polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate, alkyl benzene sulfonate calcium salt, alkylbenzenesulfonate amine salt, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products, polyoxyethylene polyoxypropylene block copolymer, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, sodium phosphate trimer or alkylnaphthalene sulfonate condensation polymer or both above mixtures.In some embodiments of the invention, di-2-ethylhexylphosphine oxide naphthalene sulfonate is wherein NNO (sodium methylene bis-naphthalene sulfonate).
Preferably, in pharmaceutical preparation provided by the invention, emulsifier is nonionic emulsifier and/or anion emulsifier.More preferably, nonionic emulsifier is one or more mixtures of alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol APEO, oleic acid polyoxyethylene, rosin acid APEO, more preferably, anion emulsifier is one or more mixtures in alkylbenzenesulfonate, alkyl benzene calcium sulfonate, aliphatic alcohol sulfate, aliphatic alcohol polyethenoxy sulphate, aliphatic alcohol polyethenoxy phosphate, alkylphenol-polyethenoxy phosphate.
Preferably, in pharmaceutical preparation provided by the invention, wetting agent is anion wetting agent and/or non-ionic wetting agent.More preferably, anion wetting agent is one in lauryl sodium sulfate, Negel, fatty alcohol polyglycol ether sulphate, aliphatic alcohol polyethenoxy ether carboxylate or alkylnaphthalene sulfonate or both above mixtures.More preferably, non-ionic wetting agent is one in fat alcohol polyethylene ether, polyoxyethylene nonylphenol ether, sorbitan fatty acid ester APEO or alkyl naphthalene formaldehyde condensation product or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, thickener is one in xanthans, polyvinyl alcohol, sodium alginate, diatomite, starch, kaolin or organobentonite or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, antifreezing agent is one in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, preservative is one in benzoic acid, Sodium Benzoate, sorbic acid, potassium sorbate, calcium propionate, p-hydroxybenzoic acid isopropyl ester, nipasol or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, thixotropic agent is one in silica, bentonite, aluminium-magnesium silicate or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, defoamer be long-chain alcohol, polyglycerol, fatty alcohol, silicone based in one or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, carrier is one in kaolin, diatomite, precipitated calcium carbonate, white carbon, concave convex rod, soluble starch, urea, amine fertilizer, glucose, maltose, sucrose, citric acid, Anhydrous potassium carbonate, Carbon Dioxide hydrogen potassium, anhydrous sodium sulfate, anhydrous sodium bicarbonate, natrium carbonicum calcinatum or anhydrous sodium bicarbonate or both above mixtures.
Preferably, in pharmaceutical preparation provided by the invention, solvent is soybean oil, corn oil, mineral oil (gasoline, diesel oil, machine oil), methyl oleate, 150# solvent naphtha, 200# solvent naphtha.
Described disintegrant is selected from: one or more in sodium bicarbonate, sodium carbonate, bentonite, urea, ammonium sulfate, glucose, aluminium chloride.
The formulation of pharmaceutical preparation provided by the invention can be pulvis, wetting powder, granula, water dispersible granules or suspending agent.Preferably, the formulation of pharmaceutical preparation provided by the invention is suspending agent, dispersibles oil-suspending agent, wetting powder or water dispersible granules.
Preferably, when the formulation of pharmaceutical preparation provided by the invention is suspending agent, in Pesticide Science, acceptable auxiliary material comprises one in dispersant, wetting agent, thickener, antifreezing agent, preservative, thixotropic agent or both above mixtures.In some embodiments of the invention, when the formulation of pharmaceutical preparation provided by the invention is suspending agent, in Pesticide Science, acceptable auxiliary material comprises one in dispersant, wetting agent, thickener, antifreezing agent, preservative or both above mixtures.
Preferably, pharmaceutical preparation provided by the invention, when its formulation is suspending agent, in mass percentage, is made up of following component: the Herbicidal combinations of 16% ~ 99%; The dispersant of 0.1% ~ 15%; The wetting agent of 0.1% ~ 15%; The thickener of 0.1% ~ 5%; The antifreezing agent of 0.1% ~ 6%; The preservative of 0.1% ~ 2%; Water complements to 100%;
Preferably, pharmaceutical preparation provided by the invention, when its formulation is for dispersibling oil-suspending agent, in Pesticide Science, acceptable auxiliary material comprises one in dispersant, emulsifier, wetting agent or thickener or both above mixtures.
Preferably, pharmaceutical preparation provided by the invention, when its formulation is for dispersibling oil-suspending agent, by percentage to the quality, is made up of following component: the cornfield weeding composition of 16% ~ 99%; The dispersant of 0.3% ~ 20%; The wetting agent of 0.5% ~ 15%; The emulsifier of 0.2% ~ 15%; The thickener of 0.2% ~ 15%
Preferably, pharmaceutical preparation provided by the invention, when its formulation is wetting powder, in Pesticide Science, acceptable auxiliary material comprises one in wetting agent, dispersant emulsifier or carrier or both above mixtures.
Preferably, pharmaceutical preparation provided by the invention, when its formulation is wetting powder, by percentage to the quality, is made up of following component: the cornfield weeding composition of 16% ~ 99%; The wetting agent of 0.3% ~ 15%; The dispersant of 02% ~ 20%; 0.2% ~ 20% bleeding agent; Carrier complements to 100%;
Preferably, pharmaceutical preparation provided by the invention, when its formulation is water dispersible granules, in Pesticide Science, acceptable auxiliary material comprises one in wetting agent, dispersant, emulsifier, interleaving agent or carrier or both above mixtures.In some embodiments of the invention, when the formulation of pharmaceutical preparation provided by the invention is water dispersible granules, in Pesticide Science, acceptable auxiliary material comprises one in wetting agent, dispersant, emulsifier or carrier or both above mixtures.
Preferably, pharmaceutical preparation provided by the invention, when its formulation is water dispersible granules, by weight percentage, is made up of following component: the cornfield weeding composition of 16% ~ 99%; The wetting agent of 0.3% ~ 20%; The dispersant of 0.2% ~ 20%; 0.2% ~ 20% emulsifier; Carrier complements to 100%;
The invention provides a kind of cornfield weeding composition and pharmaceutical preparation thereof.Cornfield weeding composition provided by the invention is made up of the amicarbazone of 5 ~ 70 weight portions, the nicosulfuron of 1 ~ 10 weight portion, the atrazine of 10 ~ 75 weight portions.This cornfield weeding composition make use of the different mechanisms of action of amicarbazone, nicosulfuron, atrazine three kinds of weed killer herbicides, is undertaken composite, reach synergistic effect by three, can use as corn field cauline leaf process weed killer herbicide.Experimental result confirms, the co-toxicity coefficient >120 of cornfield weeding composition provided by the invention, for synergistic effect, its control efficiency is good, service time is long, can effective control of maize field crop smothering, suspending agent can be prepared into, dispersible oil-suspending agent, wetting powder or water dispersible granules.
Embodiment
The invention discloses a kind of Herbicidal combinations, application and pharmaceutical preparation thereof, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
Reagent in a kind of Herbicidal combinations provided by the invention, application and pharmaceutical preparation thereof and raw material all can be buied by market.
Below in conjunction with embodiment, set forth the present invention further:
The preparation of embodiment 1 herbicide composition suspending agent
Get 5% amicarbazone, 1% nicosulfuron, 10% atrazine, sodium lignin sulfonate 9%, dodecyl sodium sulfate 8%, xanthans 0.9%, propane diols 4%, Sodium Benzoate 1.5%, add water to 100%, mixing, shear evenly, be ground to D (90) and be less than 5 μm, obtain 16% amicarbazone nicosulfuron atrazine suspending agent.
The preparation of embodiment 2 herbicide composition suspending agent
Get 20% amicarbazone, 2% nicosulfuron, 20% atrazine, calcium lignosulfonate 6%, Negel 4%, kaolin 0.5%, glycerine 3%, Sodium Benzoate 0.9%, add water to 100%, mixing, shear evenly, be ground to D (90) and be less than 5 μm, obtain 42% amicarbazone nicosulfuron atrazine suspending agent.
Embodiment 3 Herbicidal combinations dispersibles the preparation of oil-suspending agent
Get 20% amicarbazone, 4% nicosulfuron, 25% atrazine, sodium lignin sulfonate 4%, dodecyl sodium sulfate 5%, castor oil polyoxyethylene ether 7%, organobentonite 2%, soybean oil supply 100%, stir, shear 1 hour, cross sand mill to be ground to fineness D (90) and to be less than or equal to 5 μm, obtain 49% amicarbazone nicosulfuron atrazine and dispersible oil-suspending agent.
Embodiment 4 Herbicidal combinations dispersibles the preparation of oil-suspending agent
Get 25% amicarbazone, 2% nicosulfuron, 30% atrazine, sodium lignin sulfonate 5%, dodecyl sodium sulfate 6%, castor oil polyoxyethylene ether 4%, machine bentonite 1%, methyl oleate supply 100%, stir, shear 1 hour, cross sand mill to be ground to fineness D (90) and to be less than or equal to 5 μm, obtain 57% amicarbazone nicosulfuron atrazine and dispersible oil-suspending agent.
The preparation of embodiment 5 Herbicidal Compositions Wettable pulvis
Get 50% amicarbazone, 10% nicosulfuron, 20% atrazine, lauryl sodium sulfate 5%, alkylphenol polyoxyethylene 4%, aliphatic alcohol polyethenoxy ether carboxylate 6%, white carbon 1%, precipitated calcium carbonate complement to 100%, mix, after air-flow crushing, obtain 80% amicarbazone nicosulfuron atrazine wetting powder
The preparation of embodiment 6 Herbicidal Compositions Wettable pulvis
Get 70% amicarbazone, 7% nicosulfuron, 22% atrazine, pull open powder 0.3%, aliphatic amine polyoxyethylene ether 0.2%, phenethyl phenol polyoxyethanyl polypropylene-base ether 0.2%, precipitated calcium carbonate complement to 100%, mix, after air-flow crushing, obtain 99% amicarbazone nicosulfuron atrazine wetting powder
The preparation of embodiment 7 Herbicidal Compositions Wettable pulvis
Get 10% amicarbazone, 10% nicosulfuron, 75% atrazine, lauryl sodium sulfate 1%, alkylnaphthalene sulfonate 1%, castor oil polyoxyethylene ether 1%, kaolin complements to 100%, mix, after air-flow crushing, obtain 95% amicarbazone nicosulfuron atrazine wetting powder
The preparation of embodiment 8 Herbicidal combinations water dispersible granules
Get 5% amicarbazone, 10% nicosulfuron, 75% atrazine, lauryl sodium sulfate 2%, alkylphenol polyoxyethylene 1%, aliphatic alcohol polyethenoxy ether carboxylate 1%, sodium bicarbonate 1%, white carbon 1%, precipitated calcium carbonate 4%, mix, after air-flow crushing wetting powder, add 30kg water and mix, namely extruder grain, oven dry, screening obtain 90% amicarbazone nicosulfuron atrazine water dispersible granule.
The preparation of embodiment 9 Herbicidal combinations water dispersible granules
Get 70% amicarbazone, 10% nicosulfuron, 10% atrazine, pull open powder 2%, aliphatic amine polyoxyethylene ether 1%, phenethyl phenol polyoxyethanyl polypropylene-base ether 2%, bentonite calcium 5%, mix, after air-flow crushing wetting powder, add 20kg water and mix, namely extruder grain, oven dry, screening obtain 90% amicarbazone nicosulfuron atrazine water dispersible granule.
The preparation of embodiment 10 Herbicidal combinations water dispersible granules
Get 70% amicarbazone, 1% nicosulfuron, 10% atrazine, lauryl sodium sulfate 4%, alkylnaphthalene sulfonate 3%, castor oil polyoxyethylene ether 0.5%, sodium bicarbonate 0.5%, bentonite 11%, mix, after air-flow crushing wetting powder, add 25kg water and mix, namely extruder grain, oven dry, screening obtain 81% amicarbazone nicosulfuron atrazine water dispersible granule.
The preparation of embodiment 11 Herbicidal combinations water dispersible granules
Get 30% amicarbazone, 2% nicosulfuron, 20% atrazine, pull open powder 10%, alkyl benzene calcium sulfonate dispersion 8%, alkylphenol-formaldehyde resin polyoxyethyl ether 12%, white carbon 8%, sodium bicarbonate 2%, precipitated calcium carbonate 8%, mix, after air-flow crushing wetting powder, add 26kg water and mix, namely extruder grain, oven dry, screening obtain 52% amicarbazone nicosulfuron atrazine water dispersible granule.
The test of pesticide effectiveness of embodiment 12 Herbicidal combinations pharmaceutical preparation
Example 1 to embodiment 11 prepares cornfield weeding composition pharmaceutical preparation, carry out effect experiment, with 70% amicarbazone water dispersible granules as a control group 1,40g/L nicosulfuron dispersibles oil-suspending agent 2,38% atrazine suspending agent as a control group 3 as a control group, clear water is as blank group.
(1) each group medicine to be measured is to the synergy effect of weeds:
Co-toxicity coefficient method is adopted to evaluate the synergistic effect of cornfield weeding composition provided by the invention and pharmaceutical preparation thereof: to suppress percentage (Y) to ask regression equation with the natural logrithm of drug concentration (X) and medicament to the growth inhibition percentage of target weeds or fresh weight, and calculate the EC of medicament to weeds
50value or EC
90value, then tries to achieve co-toxicity coefficient.Compound drug is evaluated to the synergy effect of weeds with co-toxicity coefficient, co-toxicity coefficient >120 is expressed as synergistic effect, co-toxicity coefficient is expressed as summation action between 80 ~ 120, and co-toxicity coefficient <80 is expressed as antagonism.
The co-toxicity coefficient computing formula adopted in the present embodiment is as follows:
Co-toxicity coefficient (CTC)=100/ (EC is mixed × and P amicarbazone/EC amicarbazone+EC is mixed × and P nicosulfuron/EC nicosulfuron+EC is mixed × P atrazine/EC atrazine)
In formula: EC mixes the EC into mixture
50value (to three-coloured amaranth and eleusine indica, lower same); P amicarbazone is amicarbazone shared part by weight in mixture active ingredient; P nicosulfuron is nicosulfuron shared part by weight in mixture active ingredient; P atrazine is atrazine shared part by weight in mixture active ingredient; EC amicarbazone is the EC of amicarbazone
50value; EC nicosulfuron is the EC of nicosulfuron
50value; EC atrazine is the EC of atrazine
50value.The EC of each group
50value and co-toxicity coefficient are in table 2.
(2) each group medicine to be measured is to the cauline leaf process preventive effect result of various weeds
Test one:
Test and carry out in the corn field of summer of Yucheng, Shangqiu, each group process repeats for 4 times, and processing area is 20m
2; The insecticide-applying way of the medicine to be measured that embodiment 1 to embodiment 11, control group 1, control group 2, control group 3 provide is the spraying of corn 3-5 leaf phase cauline leaf.30 days statistics preventive effect results after medicine.Test process, formulation rate and preventive effect the results are shown in Table 5, the corn field growing state of each group is in table 6.
Preventive effect computing formula is:
Strain preventive effect (%)=(check plot weeds strain number-treatment region weeds strain number)/weeds strain number × 100, check plot
The EC of the medicine to be measured of each group of table 2
50value and co-toxicity coefficient
Experimental result from table 2, after amicarbazone, nicosulfuron and atrazine in gained cornfield weeding composition, the weight ratio of amicarbazone, nicosulfuron, atrazine is when 5 ~ 70:1 ~ 10:10 ~ 75, its co-toxicity coefficient is all far more than 120, illustrate that amicarbazone, nicosulfuron, atrazine are after composite, create obvious synergistic effect.
Each group of table 3 corn field weed cauline leaf process medication administration amount to be measured and preventive effect result
From table 3, experimental result is known, compared with amicarbazone, nicosulfuron, atrazine single dose, after amicarbazone, nicosulfuron and atrazine, the herbicidal effect of gained cornfield weeding composition and pharmaceutical preparation thereof will apparently higher than any one single dose in three components, significant difference (P < 0.05), create synergistic effect, expand herbicide spectrum.The preventive effect effect effect of the cornfield weeding composition that the embodiment of the present invention 1 to embodiment 11 provides to corn field weed also has and significantly improves, significant difference (P < 0.05).
In sum, the invention provides cornfield weeding composition after amicarbazone, nicosulfuron, atrazine, reach synergistic effect, expand herbicide spectrum, the weeds that the antagonism property of medicine is stronger also can effectively prevent and treat, and do not produce poisoning, can be used for control of maize field weed.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a Herbicidal combinations, is characterized in that, it is made up of the component of following weight portion:
Amicarbazone 5 ~ 70 parts
Nicosulfuron 1 ~ 10 part
Atrazine 10 ~ 75 parts.
2. the application of Herbicidal combinations according to claim 1 in cornfield weeding.
3. a pharmaceutical preparation for cornfield weeding composition, is characterized in that, it is made up of acceptable auxiliary material in corn Herbicidal combinations according to claim 1 and Pesticide Science.
4. pharmaceutical preparation according to claim 2, is characterized in that, by percentage to the quality, the content of wherein said cornfield weeding composition is 16% ~ 99%.
5. the pharmaceutical preparation according to claim 3 or 4, is characterized in that, in described Pesticide Science, acceptable auxiliary material comprises one in wetting agent, dispersant, thickener, antifreezing agent, preservative, thixotropic agent, carrier or solvent or both above mixtures.
6. the pharmaceutical preparation according to claim 3 or 4, is characterized in that, its formulation is suspending agent, dispersibles oil-suspending agent, wetting powder or water dispersible granules.
7. pharmaceutical preparation according to claim 6, it is characterized in that, when its formulation is suspending agent, in described Pesticide Science, acceptable auxiliary material comprises one in described dispersant, described wetting agent, described thickener, described antifreezing agent, described preservative, described thixotropic agent or both above mixtures.
8. pharmaceutical preparation according to claim 6, it is characterized in that, when its formulation is for dispersibling oil-suspending agent, in described Pesticide Science, acceptable auxiliary material comprises one in described dispersant, described emulsifier, described wetting agent, described thickener, described defoamer or both above mixtures.
9. pharmaceutical preparation according to claim 6, it is characterized in that, when its formulation is wetting powder, in described Pesticide Science, acceptable auxiliary material comprises one in described wetting agent, described dispersant, described emulsifier or described carrier or both above mixtures.
10. pharmaceutical preparation according to claim 6, it is characterized in that, when its formulation is water dispersible granules, in described Pesticide Science, acceptable auxiliary material comprises one in described wetting agent, described dispersant, described emulsifier, described disintegrant or described carrier or both above mixtures.
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| CN106070282A (en) * | 2016-07-13 | 2016-11-09 | 山东奥坤生物科技有限公司 | A kind of Herbicidal combinations containing topramezone and application thereof |
| CN106172428A (en) * | 2016-07-13 | 2016-12-07 | 山东奥坤生物科技有限公司 | A kind of Herbicidal combinations containing cyanazine and application thereof |
| CN106561696A (en) * | 2016-11-14 | 2017-04-19 | 安徽众邦生物工程有限公司 | Corn field three-element weeding composition containing amicarbazone |
| CN114449894A (en) * | 2019-08-06 | 2022-05-06 | Upl巴西工业和农业股份公司 | Herbicide combinations |
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Application publication date: 20150204 |