CN105028427B - A kind of bactericidal composition containing Yekuzuo and trifloxystrobin - Google Patents
A kind of bactericidal composition containing Yekuzuo and trifloxystrobin Download PDFInfo
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Abstract
The invention discloses a kind of bactericidal composition containing Yekuzuo and trifloxystrobin, its effective ingredient is Yekuzuo and trifloxystrobin, and Yekuzuo is 50 with the mass ratio of trifloxystrobin:1‑1:50, remaining is to allow in pesticide to use and acceptable auxiliary element.Bactericidal composition of the present invention can be prepared into cream, microemulsion, aqueous emulsion, suspending agent, wettable powder and water dispersible granules with known method.Present composition certain proportion has obvious potentiation after compounding, and can be used for preventing and treating the diseases such as Cereal, the leaf blight on fruit and vegetables, cecospora spot, rust, damping-off, downy mildew, is particularly suited for preventing and treating powdery mildew.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition containing Yekuzuo and trifloxystrobin.
Background technology
In recent years, due to single drug and unscientific application method, many kind pathogen such as powdery mildews, downy mildew are led to
Bacterium etc. creates resistance to many currently used pesticide, and Drug resistance is increasingly severe, formulation rate after resistance produces simultaneously
With the increase of spraying times, so that cost accounting is increased, and increased environmental pollution, become chemical prevention one is big
A difficult problem.Therefore, be badly in need of efficiently, environmental protection, the microbicide compositions of low toxicity, the bactericidal composition tool containing Yekuzuo and trifloxystrobin for the exploitation
There is important actual application value.Yekuzuo is different with the mechanism of action of trifloxystrobin antibacterial, mutually compounds in the range of on one point
Expand fungicidal spectrum, improve the bactericidal effect of antibacterial, it is to avoid or delay the generation of disease drug resistance, be conducive to the comprehensive of crop pest
Close preventing and treating.
Yekuzuo English name：Bismerthiazol, Chinese nickname：MBAMT；Chemical name：N.N '-methylene-bis-
(2- amino -5- sulfenyl -1,3,4- withered azoles).Yekuzuo has preventive and therapeutic action, is systemic fungicide, can be by plant
Root, stem, leaf portion absorb, and each position can be transmitted to quickly in plant body, can effectively preventing bacterial blight of rice, thin
Bacterium property cecospora spot, citrus bacterial canker disease disease is respectively provided with good prevention effect.
Trifloxystrobin English name：Trifloxystrobin, Chinese nickname：Oxime grass ester；Chemical name：(2Z) -2- methoxyl group
Imino group -2- [2- [[1- [3- (trifluoromethyl) phenyl] ethyleneimino] oxygen methyl] phenyl] methyl acetate.Trifloxystrobin belongs to first
Epoxide acrylic compounds antibacterial, sterling outward appearance is tasteless white to gray crystals powder.Trifloxystrobin is from having bactericidal activity
The new fungicides of a class that natural product Strobilurins successfully develops as antibacterial lead compound, to ascus
The funguses such as mushroom, Fungi Imperfecti, basidiomycetes and Oomycete have good activity, are the sterilizations with chemical kinetics characteristic
Agent, it can be provided excellent protection activity to plant surface by plant wax coat strong adsorption, have efficiently, wide spectrum, protection,
Treat, root out, permeating, systemic activity, resistance of rainwater washing against, the characteristic such as lasting period length.Except having in addition to specially good effect to powdery mildew, leaf spot,
There is good activity to rust, downy mildew, damping-off, Fructus Mali pumilae apple scab, sclerotinia rot of colza, because it can be quick in soil, water
Degraded, so to crop safety, environmentally safe.
But there is no the bactericidal composition report of Yekuzuo and trifloxystrobin at present.
Content of the invention
It is an object of the invention to provide a kind of bactericidal composition containing Yekuzuo and trifloxystrobin, the one-tenth of said composition divides it
Between, the effect being mutually improved can be played.
The present invention is achieved by the following technical solutions：
A kind of bactericidal composition containing Yekuzuo and trifloxystrobin it is characterised in that effective ingredient be Yekuzuo and trifloxystrobin,
Yekuzuo is 50 with the mass ratio of trifloxystrobin:1-1:50, preferable ratio is 20:1-1:20.
The bactericidal composition of the present invention can be prepared into the dosage form of suitable agricultural use with known method, in preparation effectively
The total content of composition is 5%-80%.
The formulations of pesticide that the bactericidal composition of the present invention can be prepared are cream, microemulsion, aqueous emulsion, suspending agent, wettable
Property powder and water dispersible granules.
The adjuvant that the bactericidal composition of the present invention is used includes wetting agent, dispersant, emulsifying agent, antifreezing agent, froth breaking
One or more of agent, thickening agent, antifungus agent, solvent, disintegrating agent, filler, the adjuvant of use is all to be beneficial to effectively become
Divide stable in storage and use and drug effect performance, be all various composition that is conventional or allowing use in pesticidal preparations, specifically
Composition and consumption are determined by test according to recipe requirements.
Wherein wetting agent has sodium lauryl sulphate (K12), pull open powder (BX), sodium alkyl benzene sulfonate (ABS), nonyl phenol gather
Oxygen vinyl Ether, Morwet EFW, Berol 790A, Hensel graceful 1004 etc., can use one of them or a combination thereof.
Wherein dispersant has anion surfactant, and such as phosphoric acid ester, lignosulfonates are (as Borresperse
NA), naphthalene sulfonate (as NNO, MF, Morwet D450), amber moor sour sulfonate, polymeric carboxylic salt polymer (such as
Tersperse2500, T-36) etc.；Nonionic surfactant, such as Pluronic PE 6800, macromolecule graft copolymers, many
Styryl polyethenoxy ether class etc., can use one of them or a combination thereof.
Wherein emulsifying agent has calcium dodecyl benzene sulfonate (agriculture breast 500#), alkylphenol polyoxyethylene class (as NP-10), benzene
Ethyl phenol polyethenoxy ether class (as agriculture breast 601#), alkyl phenol formaldehyde resin polyoxyethylene ether class (as Nongru-700 #), phenethyl
Phenol polyethenoxy polyoxypropylene ethers (as agriculture breast 1601#), castor oil polyoxyethylene ether class (as EL-40) etc., can use wherein it
One or a combination thereof.
Wherein antifreezing agent has ethylene glycol, glycerol, isopropanol, carbamide, polyvinyl alcohol etc., can use one of them or its group
Close.
Wherein thickening agent is xanthan gum, carboxyl alkyl cellulose class, aluminium-magnesium silicate, organobentonite etc., can use one of them
Or a combination thereof.
Wherein antifungus agent is sodium benzoate, isothiazolone, formaldehyde, sorbic acid, polyhydroxy benzenes propyl formate etc., can use it
One of or a combination thereof.
Wherein defoamer is organic silicon defoamer (as SAG-622), can use one of them or a combination thereof.
Wherein solvent is isopropanol, ethanol, DMF, N-Methyl pyrrolidone, Ketohexamethylene, turpentine-based vegetable oil etc., can use it
One of or a combination thereof.
Wherein disintegrating agent is carbamide, ammonium sulfate, glucose etc., can use one of them or a combination thereof.
Wherein filler is white carbon, Kaolin, precipitated calcium carbonate, bentonite, calcined kaolin, corn starch etc., can use
One of them or a combination thereof.
The bactericidal composition of the present invention can be used for preventing and treating Oryza sativa L., Semen Tritici aestivi, Chinese cabbage, Fructus Lycopersici esculenti, Rhizoma Solani tuber osi, Fructus Vitis viniferae, Fructus Mali pumilae, flower
On the crops such as life, Fructus Musae, fungus-caused plant disease, especially has specially good effect to controlling powdery mildew.
The bactericidal composition of the present invention is compared with existing technology, and concrete advantage is：1st, the bactericidal composition of the present invention exists
There is good potentiation, prevention effect significantly improves compared with single dose in the range of a bit；2nd, after improve prevention effect, field
Dosage be greatly decreased, reduce production and use cost, decrease pesticide residues, be conducive to the sustainable development of environment；
3rd, in bactericidal composition, the mechanism of action of effective ingredient is different, is conducive to avoiding or delay the generation of disease drug resistance.
Specific embodiment
In order that the purpose of the present invention is more clear, the present invention is described in detail with following instantiation, but
The invention is not restricted to these examples, all any modification, equivalent and improvement made within the spirit and principles in the present invention
Deng should be included within the scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended claims
It is defined.
Different pesticide active ingredients is compounded, is to solve drug effect and resistance etc. in pesticide single dose application process at present
A kind of effective means of problem.After different pesticide active ingredients is compounded, typically exhibit three kinds of type of action, that is, be added and make
With, potentiation and antagonism, but it is specially which kind of effect it is impossible to prediction, only just be can know that by lot of experiments.Compounding
The good formula of potentiation, can improve actual prevention effect, reduce the usage amount of pesticide, contribute to the generation of delaying drug resistance, be section
Learn the important means of controlling disease.
Percentage ratio used in example of formulations is mass percent, the example of formulations of bactericidal composition of the present invention
As follows：
Example of formulations 1
30.5% Yekuzuo trifloxystrobin cream
Yekuzuo 30%, trifloxystrobin 0.5%, isopropanol (solvent) 5%, DMF (solvent) 5%, Ketohexamethylene (solvent) 10%,
Calcium dodecyl benzene sulfonate (emulsifying agent) 4%, alkyl phenol formaldehyde resin polyoxyethylene ether (emulsifying agent) 2%, phenethyl phenol polyoxy
Ethylene polyethenoxy ether (emulsifying agent) 3%, turpentine-based vegetable oil polishing to 100%.
Preparation method：Pesticide active ingredient is dissolved in dissolving and cosolvent, adds surfactant, mix homogeneously is
Cream can be obtained.
Example of formulations 2
21% Yekuzuo trifloxystrobin microemulsion
Yekuzuo 20%, trifloxystrobin 1%, N-Methyl pyrrolidone (solvent) 10%, Ketohexamethylene (solvent) 5%, dimethylbenzene
(solvent) 10%, calcium dodecyl benzene sulfonate (emulsifying agent) 4%, castor oil polyoxyethylene ether (emulsifying agent) 3%, phenethyl phenol are gathered
Oxygen vinyl Ether (emulsifying agent) 2%, phenethyl phenol polyoxyethylene poly-oxygen propylene aether (emulsifying agent) 3%, water polishing to 100%.
Preparation method is with example of formulations 1.
Example of formulations 3
30% Yekuzuo trifloxystrobin suspending agent
Yekuzuo 20%, trifloxystrobin 10%, phenethyl phenol polyethenoxy ether (dispersant) 4%, polymeric carboxylic salt are birdsed of the same feather flock together
Compound (dispersant) 2%, glycerol (antifreezing agent) 5%, xanthan gum (thickening agent) 0.1%, aluminium-magnesium silicate (thickening agent) 0.5%,
Sodium benzoate (preservative) 0.1%, organosilicon (defoamer) 0.2%, deionized water polishing to 100%.
Preparation method：Pesticide active ingredient, dispersant, wetting agent, thickening agent, defoamer, antifreezing agent and water etc. are pressed one
Certainty ratio mix homogeneously, through sand mill wet method sand milling, analysis detection is qualified to obtain final product suspending agent.
Example of formulations 4
51% Yekuzuo trifloxystrobin suspending agent
Yekuzuo 50%, trifloxystrobin 1%, sodium lignin sulfonate (dispersant) 2%, NPE (dispersant)
2%th, polymeric carboxylic salt polymer (dispersant) 3%, glycerol (antifreezing agent) 5%, xanthan gum (thickening agent) 0.1%, benzene
Sodium formate (preservative) 0.1%, organosilicon (defoamer) 0.2%, deionized water polishing to 100%.
Preparation method is with example of formulations 3.
Example of formulations 5
5% Yekuzuo trifloxystrobin suspending agent
Yekuzuo 2%, trifloxystrobin 3%, sodium lignin sulfonate (dispersant) 10%, glycerol (antifreezing agent) 5%, xanthan gum
(thickening agent) 0.15%, aluminium-magnesium silicate (thickening agent) 1.5%, sodium benzoate (preservative) 0.1%, organosilicon (defoamer)
0.2%th, deionized water polishing is to 100%.
Preparation method is with example of formulations 3.
Example of formulations 6
15% Yekuzuo trifloxystrobin water emulsion
Yekuzuo 5%, trifloxystrobin 10%, DMF (solvent) 8%, Ketohexamethylene (solvent) 8%, ethylene glycol (antifreezing agent) 5%,
Phenethyl phenol polyethenoxy ether (emulsifying agent) 7%, calcium salt of dodecylbenzene sulfonate (emulsifying agent) 5%, castor oil polyoxyethylene ether
(emulsifying agent) 3%, deionized water complement to 100%.
Preparation method：Pesticide active ingredient is dissolved in solvent and cosolvent, adds surfactant, mix homogeneously system
Obtain oil phase；The components such as water-soluble component and water are mixed to prepare aqueous phase, then aqueous phase is added in oil phase, stirring while adding, at a high speed
Shearing 20-60 minute, makes homogeneous emulsion, has both obtained aqueous emulsion.(different according to pesticide active ingredient property, sometimes
Waiting aqueous phase is only water)
Example of formulations 7
65% Yekuzuo trifloxystrobin wettable powder
Yekuzuo 35%, trifloxystrobin 30%, sodium lauryl sulphate (wetting agent) 2%, sodium lignin sulfonate (dispersant)
5%th, naphthalene sulfonate (dispersant) 4%, Kaolin (filler) polishing to 100%.
Preparation method：Pesticide active ingredient, auxiliary agent and filler are proportionally mixed, remixes prepared after comminution by gas stream
Wettable powder.
Example of formulations 8
21% Yekuzuo trifloxystrobin wettable powder
Yekuzuo 1%, trifloxystrobin 20%, sodium lauryl sulphate (wetting agent) 2%, sodium lignin sulfonate (dispersant)
3%th, naphthalene sulfonate (dispersant) 3%, Kaolin (filler) polishing to 100%.
Preparation method：Pesticide active ingredient, auxiliary agent and filler are proportionally mixed, remixes prepared after comminution by gas stream
Wettable powder.
Preparation method is with example of formulations 7.
Example of formulations 9
51% Yekuzuo trifloxystrobin water dispersible granule
Yekuzuo 1%, trifloxystrobin 50%, Morwet EFW (wetting agent) 2%, sodium lignin sulfonate (dispersant) 4%, alkane
Base naphthalene sulfonate (dispersant) 4%, polycarboxylate (dispersant) 2%, ammonium sulfate (disintegrating agent) 10%, corn starch (filler) are mended
Together to 100%.
Preparation method：By pesticide active ingredient, auxiliary agent and filler according to formula proportion mix homogeneously, become after comminution by gas stream
Wettable powder, adds a certain amount of water and passes through kneader mix homogeneously, then Squeezinggranulator extruder grain, be finally dried
Water dispersible granules are obtained after screening.
Example of formulations 10
80% Yekuzuo trifloxystrobin water dispersible granule
Yekuzuo 40%, trifloxystrobin 40%, sodium lauryl sulphate (wetting agent) 4%, polycarboxylate (dispersant) 3%,
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 5%, carbamide (disintegrating agent) 1%, ammonium sulfate (disintegrating agent) polishing to 100%.
Preparation method is with example of formulations 9.
Bactericidal composition of the present invention is compounded with Yekuzuo and trifloxystrobin, has obvious synergistic function, and not
It is only the simple addition of two kinds of pharmacy effects, specifically can be illustrated from following bioassay example, but the present invention is absolutely not
It is confined to these examples.
The Field information example of bactericidal composition of the present invention is as follows：
Implementation of an application example 1：Yekuzuo and trifloxystrobin compound the field control effectiveness test to powdery mildew of cucumber
Subjects：Powdery mildew of cucumber
Test site Jiujiang city Pengze County
Test method：Comparison medicament is 20% Yekuzuo wettable powder (commercial), 12.5% trifloxystrobin cream (commercial).
Test medicine is shown in Table 1, often processes 4 cells and repeats, 20 square metres of each plot area.Carry out for the first time in disease early period of origination
Dispenser, even spraying, it is sprayed onto till blade drips, blank is processed as with the clear water without effective ingredient.Every cell adopts
5 points of samplings, investigate two plants at every, every plant of all blades of investigation, to be classified system with the percentage rate that lesion area accounts for whole leaf area
Meter, calculates each process disease index and prevention effect.Grade scale is《Pesticide field efficacy medicine test criterion》The Huang of middle defined
The grade scale of melon powdery mildew：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for less than the 5% of whole leaf area；
3 grades：Lesion area accounts for the 6%-15% of whole leaf area；
5 grades：Lesion area accounts for the 16%-25% of whole leaf area；
7 grades：Lesion area accounts for the 26%-50% of whole leaf area；
9 grades：Lesion area accounts for whole leaf area more than 50%；
Drug effect computational methods：
Table 1 Yekuzuo and trifloxystrobin compound the field test results to powdery mildew of cucumber
As can be seen from Table 1：Embodiment of the present invention bactericidal composition is significantly better than two kinds to powdery mildew of cucumber in preventive effect
Single dose.From the point of view of the result of field control effectiveness test and field range estimation, plant growth is normal, and each test medicine does not occur to Oryza sativa L.
Poisoning phenomenon.
Implementation of an application example 2：Yekuzuo and trifloxystrobin compound the field control effectiveness test to Oryza sativa L. leaf blight
Subjects：Oryza sativa L. leaf blight
Test site：Jiujiang city Xingzi County
Test method：The experimental field medium generation of Oryza sativa L. leaf blight over the years.Comparison medicament is 20% Yekuzuo wettable powder
(commercial), 12.5% trifloxystrobin cream (commercial).Test medicine is shown in Table 2, often processes 4 repetitions, plot area 20m2, totally 52
Cell, random district's groups arrangement.Using conventional nebulization, carry out first in rice tillering latter stage to jointing stage Oryza sativa L. first meeting scab
Secondary dispenser, according to disease development, the dispenser again every 7-10 days, dispenser 3 times, separately sets clear water and is processed as blank altogether.
Table 2 Yekuzuo and trifloxystrobin compound the field control effectiveness test result to Oryza sativa L. leaf blight
As can be seen from Table 2：Embodiment of the present invention bactericidal composition is significantly better than two kinds to Oryza sativa L. leaf blight in preventive effect
Single dose.From the point of view of the result of field control effectiveness test and field range estimation, plant growth is normal, and each test medicine does not occur to Oryza sativa L.
Poisoning phenomenon.
Implementation of an application example 3：Yekuzuo and trifloxystrobin compound the field control effectiveness test to Chinese cabbage downy mildew
Subjects：Chinese cabbage downy mildew
Test site：Jiujiang city Hukou County
Test method：It is experimental field level land, the medium generation of Chinese cabbage downy mildew.Comparison medicament is 20% Yekuzuo wettable powder
Agent (commercial), 12.5% trifloxystrobin cream (commercial).Test medicine is shown in Table 3, often processes 4 repetitions, 5 plants of every cell, every plant from
Upper and under look into 10 fully expanded leaves.Using conventional nebulization, carry out first time dispenser in Chinese cabbage downy mildew early period of origination, according to
Disease development, the dispenser again every 7-10 days, dispenser 3 times, separately sets clear water and is processed as blank altogether.
Table 3 Yekuzuo and trifloxystrobin compound the field control effectiveness test result to Chinese cabbage downy mildew
As can be seen from Table 3：Embodiment of the present invention bactericidal composition is significantly better than two kinds to Chinese cabbage downy mildew in preventive effect
Single dose.From the point of view of the result of field control effectiveness test and field range estimation, plant growth is normal, and each test medicine does not occur to Oryza sativa L.
Poisoning phenomenon.
Described on end, Yekuzuo and trifloxystrobin combination sterilization composition, there is significant synergistic function, effective in mu
In the case that Ingredient Amount is compared with single dose minimizing, prevention effect is greatly improved.Therefore, bactericidal composition of the present invention has and crop is pacified
Entirely, reduces cost, delaying drug resistance, minimizing spraying times and pesticide residues, expanding prevention fungicidal spectrum, improves the sterilization effect of antibacterial
Really.
Claims (3)
1. a kind of bactericidal composition containing Yekuzuo and trifloxystrobin it is characterised in that：Its effective ingredient is Yekuzuo and trifloxystrobin,
Yekuzuo is 50 with the mass ratio of trifloxystrobin:1-1:50；Gross mass percentage composition in bactericidal composition for the effective ingredient is
5%-80%；Containing wetting agent, dispersant, emulsifying agent, antifreezing agent, defoamer, thickening agent, antifungus agent, solvent, disintegrating agent, fill out
One or more of material is as adjuvant；By selecting different adjuvant, the dosage form of described bactericidal composition is cream, micro-
Emulsion, aqueous emulsion, suspending agent, wettable powder or water dispersible granules；
Described wetting agent be one of sodium lauryl sulphate, pull open powder, sodium alkyl benzene sulfonate, NPE or
Multiple combination；
Described dispersant is that phosphoric acid ester, lignosulfonates, naphthalene sulfonate, succinic acid sulfonate, polymeric carboxylic salt are birdsed of the same feather flock together
One or more of compound, Pluronic PE 6800, macromolecular grafted copolymer, polystyrene-based polyethenoxy ether class group
Close；
Described emulsifying agent is calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene class, phenethyl phenol polyethenoxy ether class, alkyl
Fluosite polyethenoxy ether class, phenethyl phenol polyoxyethylene poly-oxygen propylene aether class, the one of castor oil polyoxyethylene ether apoplexy due to endogenous wind
Plant or multiple combination；
Described antifreezing agent is the combination of one or more of ethylene glycol, glycerol, isopropanol, carbamide, polyvinyl alcohol；
Described thickening agent is the combination of one or more of xanthan gum, carboxyl alkyl cellulose class, aluminium-magnesium silicate, organobentonite；
Described antifungus agent is one of sodium benzoate, isothiazolone, formaldehyde, sorbic acid, polyhydroxy benzenes propyl formate or many
Plant combination；
Described defoamer is organic silicon defoamer；
Described solvent is one of isopropanol, ethanol, DMF, N-Methyl pyrrolidone, Ketohexamethylene, turpentine-based vegetable oil or many
Plant combination；
Described disintegrating agent is that one or more of carbamide, ammonium sulfate, glucose combine；
Described filler is that one or more of white carbon, Kaolin, precipitated calcium carbonate, bentonite, corn starch combine.
2. bactericidal composition according to claim 1 it is characterised in that：Effective ingredient Yekuzuo and the mass ratio of trifloxystrobin
Example is 20:1-1:20.
3. the bactericidal composition described in claim 1 or 2 application it is characterised in that：Described bactericidal composition is used for preventing and treating white
Any one disease in powder disease, leaf blight, cecospora spot, rust, damping-off, downy mildew.
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