Disclosure of Invention
The invention aims to provide a composition which has the characteristics of good sterilization effect, low medication cost and difficult generation of drug resistance.
The invention provides the following technical scheme:
a composition comprises two active ingredients, wherein the first active ingredient is ZJ10520, and the second active ingredient is selected from pyridine bactericides.
The first active ingredient used in the present invention is ZJ10520, whose chemical name is: 3- (difluoromethyl) -5-fluoro-1-methyl-N- [2- (2-chloro-4-trifluoromethyl-phenoxy) phenyl ] pyrazole-4-carboxamide.
The second active ingredient used in the present invention is selected from the group consisting of pyridine fungicides. The pyridine bactericide is a pyridine bactericide commonly used in the industry.
Preferably, the pyridine bactericide is at least one selected from fluazinam and boscalid. When the pyridine bactericide is fluazinam, the composition contains ZJ10520 and fluazinam. When the pyridine bactericide is boscalid, the composition contains ZJ10520 and boscalid. When the pyridine bactericide is fluazinam and boscalid, the composition contains ZJ10520, fluazinam and boscalid.
The composition provided by the invention does not need to be specially matched with the two active ingredients.
Preferably, the mass ratio of the first active ingredient to the second active ingredient is 60: 1-1: 60.
More preferably, the mass ratio of the first active ingredient to the second active ingredient is 20: 1-1: 20.
More preferably, the mass ratio of the first active ingredient to the second active ingredient is 6: 1-1: 6.
Most preferably, the mass ratio of the first active ingredient to the second active ingredient is 3: 1-1: 3.
The composition provided by the invention can further comprise a third active ingredient. The third active component can be at least one selected from triazole bactericides, imidazole bactericides, oxazole bactericides, amide bactericides, dicarboximide bactericides, thiazole bactericides, pyrrole bactericides, morpholine bactericides, methoxy acrylate bactericides, pyrimidine bactericides, quinoline bactericides, organophosphorus bactericides, carbamate bactericides and antibiotic bactericides.
The composition provided by the invention is suitable for sterilization, and is particularly suitable for agricultural sterilization.
Preferably, the compositions provided by the present invention are suitable for controlling at least one selected from the group consisting of sclerotinia, root rot, brown rot, gray mold, rot, downy mildew, anthracnose, powdery mildew, late blight, scab, leaf spot, black spot, rust, rice blast, sheath blight, spot disease and scab.
Further preferably, the composition provided by the invention is used for preventing and treating at least one selected from the group consisting of phytophthora blight of capsicum, sclerotinia rot of colza, early blight of tomato, gray mold of grape, late blight of potato, anthracnose of capsicum and clubroot of Chinese cabbage.
The invention also provides a bactericide which comprises more than 0.1% by weight of the composition.
Preferably, the bactericide contains 1 to 90% by weight of the composition.
It is further preferred that the bactericide comprises 5 to 80% by weight of the composition.
The bactericide provided by the invention can further comprise agriculturally acceptable carriers and auxiliaries besides the composition.
The carrier of the present invention may be a solid or a liquid, and any carrier commonly used for formulating agricultural pharmaceutical compositions can be used.
Suitable solid supports include: minerals, plants, synthetic fillers and inorganic salts. Wherein the minerals include silicates, carbonates, sulfates and oxides. Silicates such as kaolin, sepiolite, nacrite, montmorillonite, mica, vermiculite, pyrophyllite, talc. Carbonates such as: calcium carbonate and dolomite. Sulfates such as ammonium sulfate, sodium sulfate, calcium sulfate. Oxides such as quicklime, magnesia lime, diatomaceous earth. Plants such as: citrus pulp, corn cob cores, rice hull powder, rice hulls, soybean straw powder, tobacco powder, walnut shells and sawmilling powder. Synthetic fillers such as precipitated calcium carbonate hydrate, precipitated calcium carbonate, white carbon black. Inorganic salts such as potassium chloride, sodium chloride.
The liquid carrier includes water and an organic solvent. When the active ingredient is a suspoemulsion, the organic solvent plays a role in solubilization and freeze protection. Suitable organic solvents include aromatic hydrocarbons such as benzene, xylene, toluene, alkylbenzenes, alkylnaphthalenes, and chlorinated aromatic hydrocarbons; chlorinated aliphatic hydrocarbons such as vinyl chloride, chloroform, methylene chloride, chloroform, carbon tetrachloride and polychlorinated ethane; aliphatic hydrocarbons such as petroleum fractions, cyclohexane, light mineral oil and paraffin wax. Alcohols such as methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol, propylene glycol, glycerol, fatty alcohols, and the like; ethers such as methyl glycol ether, ethyl glycol ether, petroleum ether. Ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, and isophorone, N-methyl-pyrrolidone; the special solvent also comprises dimethylformamide, dimethyl sulfoxide, polyethylene glycol and hexanenitrile; vegetable oils and methylated vegetable oils. The organic solvents mentioned above may be used alone, or in admixture with water.
The auxiliary agent can comprise one or more of a surfactant, an antifoaming agent, a thickening agent, a suspending agent and an antifreezing agent according to needs, and can also comprise other auxiliary agents commonly used in the industry according to needs.
The surfactant can be an emulsifier, dispersant, stabilizer or wetting agent; may be ionic or non-ionic. Suitable surfactants include: sodium and calcium salts of polyacrylic acid and lignosulfonic acid; polycondensation products of fatty acids or fatty amines containing at least 12 carbon atoms in the molecule with ethylene oxide and/or propylene oxide; fatty acid esters of glycerol, dodecanol-1, tetradecanol-1, sorbitol, sucrose, or pentaerythritol; and their polycondensation products with ethylene oxide and/or propylene oxide; sulfates or sulfonates of their polycondensation products; alkali metal or alkaline earth metal salts of sulfuric acid or sulfonic acid having at least 10 carbon atoms in the molecule, preferably sodium salts such as sodium lauryl sulfate, sodium secondary alkyl sulfate, sodium salt of sulfonated castor oil, sodium alkylaryl sulfonate and sodium dodecylbenzene sulfonate; polymers of ethylene oxide, copolymers of ethylene oxide and propylene oxide.
The emulsifier includes nonionic emulsifier and anionic emulsifier. The nonionic emulsifier is preferably nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, styrylphenyl polyoxyethylene ether, alkylphenol formaldehyde resin polyoxyethylene ether, hydroxyl-terminated polyoxyethylene polyoxypropylene ether, styrylphenol formaldehyde resin polyoxyethylene polyoxypropylene ether, and castor oil polyoxyethylene ether. The anionic emulsifier mainly comprises calcium dodecyl benzene sulfonate, ammonium triphenethyl phenol polyoxyethylene ether phosphate, ammonium nonylphenol polyoxyethylene ether phosphate and ammonium castor oil polyoxyethylene ether phosphate.
The dispersant of the invention comprises: one or more of acrylic acid homopolymer sodium salt, maleic acid disodium salt, naphthalene sulfonic acid formaldehyde condensate sodium salt, rosin block polyoxyethylene ether polyoxypropylene ether sulfonate, hydroxyl-terminated polyoxyethylene polyoxypropylene ether block copolymer, triphenyl ethyl phenol polyoxyethylene ether phosphate, fatty alcohol polyoxyethylene ether phosphoric acid and p-hydroxyphenyl lignin sulfonic acid sodium salt.
The humectants of the present invention include: one or more of fatty alcohol-polyoxyethylene ether, naphthalene sulfonate, sodium dodecyl sulfate and alkylphenol resin polyoxyethylene ether sulfate.
The thickening agent comprises one or more of xanthan gum, magnesium aluminum silicate, sodium alginate, sodium carboxymethylcellulose, Arabic gum, gelatin and polyvinyl alcohol.
The defoaming agent of the present invention is preferably: molinate, silicones, C8~10Fatty alcohol, C10~20Saturated fatty acids, amides, and the like.
The fungicide according to the present invention can be formulated into any agriculturally acceptable dosage form as required.
Preferably, the bactericide may be formulated into a powdery preparation, a granular preparation, a dispersible powdery preparation, a dispersible granular preparation, a dispersible tablet preparation, a soluble solid preparation, a soluble liquid preparation, an oil preparation, an ultra-low volume preparation, a dispersible liquid preparation, an emulsion preparation, a suspension preparation, a suspoemulsion preparation or a seed coating preparation.
Preferably, the powdered formulation is selected from a powder, a contact powder or a floating powder.
Preferably, the granular formulation is selected from granules, macrogranules, fine granules, microgranules or microencapsulated granules.
Preferably, the dispersible powder formulation is selected from a wettable powder or an oil dispersible powder.
Preferably, the dispersible granular formulation is selected from water dispersible granules, milk granules or effervescent granules.
Preferably, the dispersible tablet formulation is selected from a dispersible tablet or an effervescent tablet.
Preferably, the soluble solid formulation is selected from soluble powders, soluble granules or soluble tablets.
Preferably, the soluble liquid formulation is selected from a solubles, a water aqua, or a sol.
Preferably, the oil formulation is selected from an oil or a spreading oil.
Preferably, the ultra-low volume formulation is selected from an ultra-low volume liquid formulation or an ultra-low volume microcapsule suspension.
Preferably, the dispersible liquid formulation is selected from emulsifiable concentrates or dispersible liquid formulations.
Preferably, the emulsion formulation is selected from an aqueous emulsion, an oil emulsion or a microemulsion.
Preferably, the suspending agent is selected from a suspending agent, a microcapsule suspending agent or an oil suspending agent.
Preferably, the seed coating is selected from an aqueous suspension seed coating, a dispersible powder seed coating or a dispersible granule seed coating.
Compared with the prior art, the composition and the bactericide have the following advantages:
(1) the two active ingredients in the composition are compounded to show excellent synergistic effect, the sterilization effect of the mixed composition is obviously improved compared with that of a single agent, and the composition has good sterilization effect and treatment and protection effects;
(2) the dosage and the cost are reduced;
(3) the two active ingredients are reasonably mixed by different action modes and different action mechanisms, so that the service life of the bactericide is prolonged, the generation of resistance is slowed down, the safety to crops is good, and the safety requirement of pesticide preparations is met.