39 results about "Pyraoxystrobin" patented technology

The invention relates to a synergistic sterilization composition, particularly to a synergistic sterilization composition comprising epoxiconazole with increased effective quantity and any one sterilization active ingredient selected from flusilazole, triazolone, ethirimo, ziram, zhofigshengmyci, wuyiencin, pyraclostrobin, difenoconazole and iminazole.

The invention discloses a bactericidal composition containing cupric nonyl phenolsulfonate and a methoxy-acrylate bactericide. The methoxy-acrylate bactericide is selected from azoxystrobin, kresoxim-methyl, metominostrobin, fluoxastrobin, trifloxystrobin, orysastrobin, picoxystrobin, pyraclostrobin, enostrobilurin, SYP-1620, phenylatestrobin, coumoxystrobin, pyraoxystrobin and pyraclostrobin, wherein the weight ratio of the cupric nonyl phenolsulfonate to the methoxy-acrylate bactericide is 1:5-20:1. The bactericidal composition can be prepared into missible oil, microemulsion, water-dispersible granules, wettable powder and a suspending agent which are permitted in the agriculture. The bactericidal composition containing the cupric nonyl phenolsulfonate and the methoxy-acrylate bactericide is reasonable in ingredients, good in bactericidal effect and low in drug cost, and the activity and the bactericidal effect are not formed by the activities of the ingredient simply. Compared with an existing single preparation, the bactericidal composition has remarkable synergistic effect except the remarkable bactericidal effect, is free of pollution to crops and good in safety, meets the safety requirements of pesticide preparations, and has remarkable preventive and control effect on powdery mildew, downy mildew, anthracnose and banded sclerotial blight of the crops.

The invention relates to a sterilization composition containing pyraoxystrobin and fludioxonil, which comprises an effective component of a binary compound of pyraoxystrobin and fludioxonil, and others of auxiliary components. The mass ratio of pyraoxystrobin and fludioxonil in the effective component is 1-80:80-1. The total mass of the effective component of pyraoxystrobin and fludioxonil in the preparation accounts for 1%-80% of the total mass of the whole preparation. The sterilization composition of the invention can be prepared into pesticides in dosage forms of missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water, and microemulsion, is mainly used for controlling cucumber downy mildew, grape downy mildew, tomato late blight, cucumber anthracnose, cucumber powdery mildew, fusarium oxysporum, common bunt of wheat, rhizoctonia solani, and the like, and has special effect on botrytis.

The invention provides <13>C marked pyraoxystrobin and a synthetic method thereof, and relates to the technical field of stable isotope labelling synthesis. The synthetic method of the <13>C marked pyraoxystrobin provided by the invention comprises the steps that chlorobenzene is used as a raw material; through acylation reaction and condensation cyclization reaction, a first product is obtained;O-methylphenylacetic acid methyl ester is subjected to condensation reaction, methylation reaction and bromination reagent reaction to obtain a second product; the first product and the second productreact in alkaline environment to obtain the <13>C marked pyraoxystrobin. The operation process of the synthetic method provided by the invention is simple; the stable isotope atom utilization rate ishigh. The <13>C marked pyraoxystrobin synthetized by the synthetic method provided by the invention has the advantages that the separation and the purification are easy; the product chemical purity reaches 98 percent or higher; the isotope abundance is 98 percent or higher.

The invention relates to a sterilization composition containing probenazole and methoxy acrylates, comprising an active component A, and an active component B, wherein the active component A is selected form probenazole, and the active component B is selected form one of kresoxim methyl, azoxystrobin, pyraclostrobin, trifloxystrobin, kresoxim-methyl, dimoxystrobin, fluoxastrobin, orysastrobin, picoxystrobin, kresoxim-methyl and pyraoxystrobin, wherein a mass ratio of the active component A to the active component B is 80:1-1:60. The composition can be prepared to be wettable powder, water dispersible granules, a suspending agent, a suspoemulsion, an emulsion in water, a micron emulsion, a microcapsule suspending agent or a microcapsule-microcapsule suspending agent, for treating powdery mildew, rice blast, false smut, sheath blight, leaf spot, black spot, rust disease, alternaria leaf spot, bakanae disease, downy mildew, septoria nodorum, net blotch, anthracnose, leaf mold, scab, leaf blight, and tan disease. The composition resists rainwater washing out, and has obvious synergism.

The invention relates to the technical field of medical fertilizers, in particular to a novel fertilizer special for eucalyptus and a preparation method thereof. The novel fertilizer special for eucalyptus comprises the following components in percentage by weight: 1.5-10% of a bactericidal composition, 20-60% of a water-soluble fertilizer, 3-5% of a dispersing agent, 1-4% of a wetting agent and the balance of filler, wherein the effective components of the bactericidal composition are formed by compounding farnesol and mandipropamid or pyraoxystrobin. The novel special fertilizer for the eucalyptus contains fertilizer components and pesticide components, can provide nutrients required by growth of eucalyptus seedlings after one-time fertilization, can effectively prevent and treat gray mold of the eucalyptus seedlings, can improve the survival rate of eucalyptus seedling cultivation, and is beneficial to the progress of eucalyptus seedling cultivation work.

The invention relates to a bactericidal composition containing pyraoxystrobin and benthiavalicarb, the effective components are the pyraoxystrobin and the benthiavalicarb. The mass ratio of pyraoxystrobin to benthiavalicarb is 1-80: 80-1, the total mass of the effective component pyraoxystrobin and the benthiavalicarb in the preparation accounts for 1%-80% of the total mass of the whole preparation, the rest is auxiliary ingredients which are allowed and accepted in pesticides, the bactericidal composition can be prepared into a pesticide with the formulation of a suspending agent, a wettable powder agent and a water dispersible granule agent, and the bactericidal composition can be used for controlling downy mildew, late blight, anthracnose, powdery mildew and other plant diseases of grains, vegetables, fruit trees, flowers and other crops.

The invention discloses a pyraoxystrobin pesticide preparation taking porous silicon dioxide as a carrier and a preparation method of the pyraoxystrobin pesticide preparation. According to the pyraoxystrobin pesticide preparation taking the porous silicon dioxide as the carrier, the effective component is pyraoxystrobin, the carrier is the porous silicon dioxide, the particle size of the porous silicon dioxide is 15-200 nm, the porous silicon dioxide is mesoporous silicon dioxide or microporous silicon dioxide, and the specific surface area of the porous silicon dioxide is 342.09-900.013 m<2>/g. The preparation method of the pyraoxystrobin pesticide preparation taking the porous silicon dioxide as the carrier comprises the steps: completely dissolving a pyraoxystrobin active compound in an organic solvent, adding the porous silicon dioxide prepared by a sol-gel method, fully mixing and adsorbing, and centrifugally drying to obtain the pyraoxystrobin pesticide preparation taking the porous silicon dioxide as the carrier.

The invention relates to a sterilization composition containing pyraoxystrobin and azoxystrobin, which comprises an effective component of a binary compound of pyraoxystrobin and azoxystrobin, and others of auxiliary components. The mass ratio of pyraoxystrobin and azoxystrobin in the effective component is 1-75:75-1. The total mass of the effective component of pyraoxystrobin and azoxystrobin in the preparation accounts for 1%-80% of the total mass of the whole preparation. The sterilization composition of the invention can be prepared into pesticides in dosage forms of missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water, and microemulsion. The sterilization composition of the invention has good activity on almost all fungal diseases such as powdery mildew, rust disease, glume blight, net blotch, downy mildew, rice blast and the like, and especially has excellent controlling effects on cucumber downy mildew, grape downy mildew, tomato late blight, cucumber anthracnose, and cucumber powdery mildew.

The invention relates to a sterilization composition containing pyraoxystrobin and pyraclostrobin, which comprises an effective component of a binary compound of pyraoxystrobin and pyraclostrobin, and others of auxiliary components. The mass ratio of pyraoxystrobin and pyraclostrobin in the effective component is 1-75:80-1. The total mass of the effective component of pyraoxystrobin and pyraclostrobin in the preparation accounts for 1%-80% of the total mass of the whole preparation. The sterilization composition of the invention can be prepared into pesticides in dosage forms of missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water, and microemulsion. The sterilization composition of the invention has excellent controlling effects on cucumber powdery mildew, downy mildew, banana scab, leaf spot disease, grape downy mildew, tomato late blight, and cucumber anthracnose.

The invention discloses a microbicide composition for preventing and controlling wheat powdery mildew, and belongs to the technical field of pesticides. The microbicide composition comprises the following active components in percentage by weight: 5%-60% of metconazole and 5%-60% of pyraoxystrobin, wherein the weight ratio of the metconazole to the pyraoxystrobin is (1 : 10) to (10 : 1). The invention further discloses application of the microbicide composition to prevention and control of the wheat powdery mildew. According to the microbicide composition, the metconazole and the pyraoxystrobin are compounded and various assistants are added, so that three dosage forms with excellent effects of preventing and controlling the wheat powdery mildew are researched and developed, a remarkable synergistic effect on the wheat powdery mildew is achieved, and the prevention and control effects can be remarkably improved; moreover, part of medium-high-toxicity microbicides can be replaced, the dosage is reduced, the environmental pollution is alleviated, and the agricultural product residues are reduced; due to the application of the microbicide composition to prevention and control of the wheat powdery mildew, the drug resistance of the wheat powdery mildew on a single microbicide can be delayed, and the microbicide composition has the advantage of long lasting period.

The invention belongs to the field of plant protection and relates to a bactericidal composition containing methylene dithiocyanate and strobilurin components. The bactericidal composition is characterized in that the strobilurin components are selected from one of trifloxystrobin, 2-[3-(2,5-dimethyl-phenoxymethyl)-phenyl]-3-methoxy-acrylic acid methyl ester, enestroburin, pyraclostrobin, metominostrobin, orysastrobin, picoxystrobin, coumoxystrobin, pyraoxystrobin, phenamacril, azoxystrobin and kresoxim-methyl, wherein the weight part ratio of methylene dithiocyanate to the strobilurin components is (1: 50) to (10: 1). The composition is used for preventing and controlling downy mildew, epidemic diseases, rice blast, powdery mildew, anthracnose, leaf spot diseases or scab of cereals, fruit trees or vegetables. The composition is remarkable in synergic effect and capable of expanding the preventing and controlling spectrum, reducing the use cost and delaying the drug resistance.

The invention discloses a method for preparation of pyraoxystrobin by a salt forming method; reaction equations are shown in the specification, in the reaction equations, a base is selected from the group consisting of MH, MNH2, MOR1, M2CO3 or MHCO3, M is selected from the group consisting of Li, Na or K; R1 is selected from the group consisting of H, or C1-C6 alkyl; and R2 is a leaving group selected from the group consisting of fluorine, chlorine, bromine, iodine, C1- 6 alkyl sulfonic group, unsubstituted or substituted phenyl sulfonic group. A salt, namely a compound shown in formula V is prepared by a reaction of a compound shown in formula IV and the base in a suitable solvent, and then the pyraoxystrobin (III) can be prepared by a reaction of the compound shown in formula V and a compound shown in formula VI in a suitable solvent. Through use of the method for preparation of the pyraoxystrobin by the salt forming method, generation of carbon alkylation by-products and other impurities can be decreased, the yield and content of an oxygen alkylation product, namely the pyraoxystrobin can be improved; and the method is mild in reaction conditions, is simple in post processing method, is economic and effective, and is easy to industrially produce.

The invention discloses an efficient microbicide composition containing diflumetorim and methoxyl acrylate. Effective active ingredients of the microbicide composition consist of an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from diflumetorim, the active ingredient B is any compound selected from fluoxastrobin, orysastrobin, picoxystrobin, kresoxim-methyl, pyraoxystrobin and enestroburin, and the weight ratio of the active ingredient A to the active ingredient B is (1: 80) to (60: 1). The composition disclosed by the invention has relatively high activity to various diseases of a variety of crops and has obvious synergism, and the microbicide spectrum is enlarged; the composition has the characteristics of small dosage, rainwater washing resistance and obvious synergism.

The invention relates to the technical field of agriculture, and discloses an insect control combined medicine, a spray, a preparation method and application thereof, and a method for controlling diseases and insect pests in cotton fields at seedling stage. The medicine comprises plant-derived pesticides, a first bactericide and imidaclothiz; the botanical pesticides comprise at least one of veratrine, matrine, rotenone and spirotetramat; the first bactericide comprises at least one of trifloxystrobin and pyraoxystrobin. The spray is obtained by diluting the insect control combined medicine. The preparation method of the insect control combined medicine spray comprises diluting the insect control combined medicine. The method for preventing and controlling diseases and insect pests in cotton field seedling stage comprises the steps of using the insect control combined medicine spray to control insects. The medicament and the method have good effects of preventing diseases and treatinginsects. Preferably, the pest control method further comprises: planting cotton in cotton fields near wheat fields; spraying an initial spray at the stage of two leaves of cotton emergence. The combination of the three pest control methods can achieve more obvious pest control and disease prevention effects.