38 results about "Fludioxonil" patented technology

The invention relates to a synergistic composition for preventing and treating celery root rot. The tannic acid and fludioxonil in the synergistic composition disclosed by the invention show a relatively good synergistic effect in a compounding mass ratio range of (1: 50)-(50: 1). According to the synergistic composition disclosed by the invention, tannic acid with weak bacteriostatic activity on celery root rot and fludioxonil with excellent bacteriostatic activity are compounded for use, so that a remarkable synergistic effect is achieved, the prevention and treatment effect is far higher than that of a single agent, and the synergistic effect is achieved by reducing pesticide. Besides, according to the synergistic composition disclosed by the invention, the plant source tannic acid and the chemical bactericide fludioxonil are compounded for use, and the use amount of chemical agents is reduced, so that the resistance risk of the chemical bactericide is reduced, pesticide residues and ecological environment pollution are reduced, and the synergistic composition has a good application prospect.

The invention relates to a fluazinam-containing pesticide composition, a seed treatment suspending agent as well as a preparation method and application of the seed treatment suspending agent. The invention provides a fluazinam-containing pesticide composition. The active ingredients of the fluazinam-containing pesticide composition comprise fluazinam, fludioxonil and clothianidin, the mass ratio of the clothianidin to the fluazinam to the fludioxonil is (6-7): (0.4-0.8): (0.2-0.6), and the composition has an excellent synergistic effect. The suspending agent for seed treatment is compounded with a film-forming agent composed of acrylate and polydimethylsiloxane according to a specific proportion, it can be ensured that seed coats are not prone to falling off after being coated, meanwhile, adjustment can be conducted according to environmental adaptability, a coating layer is evenly mixed with a pesticide and pigment, the release time of effective components of pesticides is prolonged, and the pesticide effect is improved. The problem of seed coating fading is effectively solved, and the pesticide composition has an excellent effect in prevention and treatment of agricultural diseases such as peanut root rot, grub, wheat stem rot and aphid.

The invention discloses a dandelion seed coating agent and a preparation method and application thereof.The seed coating agent comprises a growth regulator, a bactericide and an insecticide, the growth regulator comprises 2, 4-epibrassinolide, monopotassium phosphate and gibberellin, the bactericide comprises difenoconazole, metalaxyl-M and fludioxonil, the insecticide comprises abamectin and thiamethoxam, and the insecticide comprises a thiamethoxam aqueous solution. The seed coating agent is prepared from the following effective components in percentage by mass: 1 to 2 percent of 2, 4-epibrassinolide, 1 to 2 percent of monopotassium phosphate, 0 to 0.1 percent of gibberellin, 0.1 to 0.3 percent of difenoconazole, 0.1 to 0.2 percent of metalaxyl-M, 0.1 to 0.2 percent of fludioxonil, 0.1 to 0.3 percent of thiamethoxam, 0.1 to 0.3 percent of abamectin and the balance of water. After seeds are treated by the seed coating, pathogenic bacteria carried by the dandelion seeds can be killed, the activity and disease resistance of the dandelion seeds are remarkably improved, and the vegetative growth yield of dandelions is increased.

The application discloses a seed treatment suspension agent containing a stable security agent, and the effective component of the seed treatment suspension agent contains pyraclostrobin, fludioxonil and thiamethoxam, the mass ratio of pyraclostrobin, fludioxonil and thiamethoxam is (1-5):(1-2):(10-100), the effective component is used in an amount of 4-40 wt%, and the stable security agent at least includes ascorbic acid fatty acid ester or its derivative of formula (I), the ascorbic acid fatty acid ester of formula (I) is selected from ascorbic acid laurate, ascorbic acid olivate and ascorbic acid stearate; in the seed treatment suspension agent, the mass ratio of pyraclostrobin and the stable security agent is 100:(0.1-100). The application maintains the seed treatment suspension agent between pH 4 and 9 by adding the stable security agent in the seed treatment suspension agent, reduces the degradation rate of the effective component, reduces the risk of pesticide damage, and has safety to crop seeds.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

According to the continuous production method of the pyraclostrobin microcapsule suspending agent preparation, the feeding time and the shearing time are shortened, the material shearing efficiency is improved, the shearing emulsification is sufficient, the particle size distribution is uniform, and the energy consumption is reduced. Materials cannot be seriously heated due to the shearing time process, and the stability and the quality of products are not affected.

The invention relates to the technical field of seed treatment, and particularly discloses a seed treatment suspending agent containing prothioconazole, fludioxonil and chlorantraniliprole and a preparation method of the seed treatment suspending agent. The invention discloses a seed treatment suspending agent containing prothioconazole, fludioxonil and chlorantraniliprole. The suspending agent is prepared from the following raw material components in percentage by mass: 5 to 10 percent of prothioconazole microcapsules, 1 to 5 percent of silicon carrier loaded fludioxonil, 1 to 3 percent of chlorantraniliprole, 0.3 to 0.7 percent of lentinan, 0.3 to 0.7 percent of humic acid, 0.3 to 0.7 percent of chelated zinc, 10 to 15 percent of ethylene glycol, 3 to 5 percent of filler, 0.5 to 1.5 percent of dispersing agent, 0.05 to 0.15 percent of thickening agent, 2 to 3 percent of film-forming agent, 10 to 15 percent of oil and the balance of deionized water. The suspending agent disclosed by the invention not only has a relatively good prevention and treatment effect on wheat root rot, but also has a relatively high germination rate of treated wheat seeds.

The application is a barley saline-alkali tolerant land cultivation method based on water-salt synergistic regulation and rhizosphere micro-ecological optimization, discloses a barley saline-alkali tolerant six-dimensional closed loop cultivation technical system for sustainable utilization of saline-alkali land, and specifically has the following contents: 1. hierarchical composite improvement: according to the soil conductivity and pH value, the mild saline-alkali area is improved by straw mulching and slow-release humic acid-calcium alginate granular fertilizer surface layer improvement; the moderate and severe saline-alkali area is improved by double-layer deep ploughing barrier breaking, deep application of gypsum combined with salt-removing functional bacteria biochar-based microbial inoculant, and salt-alkali obstacle is synergistically reduced. 2. whole-process adaptive regulation: the variety carrying HvNHX1 / HvSOS1 salt-tolerant molecular marker is selected, and the resistance is activated by the coating of fenhexamid-chitosan oligosaccharide-nano selenium; the double-mode irrigation of "drip irrigation + shallow buried infiltration irrigation" is matched, the salt threshold value is established to trigger leaching; the rhizosphere is strengthened by silicon-based amino acid water-soluble fertilizer, and green prevention and control is integrated. The technology can increase yield by 32.5% to 48.7% in moderate saline-alkali land, can reduce salt and improve soil year by year, is suitable for large-scale production in main saline-alkali areas, and has significant application prospect.

The invention relates to a thiophanate-methyl and fludioxonil eutectic crystal and a preparation method thereof. Both the thiophanate-methyl and the fludioxonil are active ingredients of a bactericide, and co-crystals are formed through intermolecular interaction such as hydrogen bonds and the like. A liquid-assisted grinding method and a solvent evaporation method are respectively adopted for preparation. In the co-crystal, the water solubility of the thiophanate-methyl is reduced, the threat of leaching and runoff of the thiophanate-methyl to aquatic ecology is reduced, the water solubility of the fludioxonil is improved, and the bioavailability of the fludioxonil is improved. Under the condition that the synergistic effect of the two bactericides is reserved, the environment friendliness and bioavailability of the pesticide are improved, the lasting period of the pesticide is prolonged, the process is simple, and practical application and production are facilitated.

A mixing vessel for a suspension containing pyraclostrobin, fludioxonil, and terpineol includes a support and a shell mounted on the support, a mixing mechanism sealed on the shell, and a discharge mechanism mounted at the bottom of the shell. The mixing mechanism includes a drive assembly sealed on the shell with its drive shaft extending into the shell, two mixing components (a first and a second) evenly distributed and staggered on the drive shaft, and a lifting assembly for driving the first and second mixing components in a mixing mode. This invention, through the coordinated design of the drive assembly, lifting assembly, and the first and second mixing components in the mixing mechanism, achieves the switching between high-speed shear mixing and low-speed mixing modes, effectively improving the mixing effect.

The invention refers to a fungicide mixture comprising the biocides thiabendazole (TBZ), pyrimethanil (PYM) and fludioxonil (FDL), wherein the total amount of FDL based on the entire amount of biocidal actives is greater than 2 wt. %.

This invention discloses a mixing vessel for producing suspensions containing pyraclostrobin and fludioxonil, belonging to the field of material mixing technology. It includes a mixing vessel body with a lid, and a drive frame inside the mixing vessel body. The drive frame is equipped with a stirring assembly, a liquid-liquid exchange assembly, and an external liquid-inward pushing assembly. The stirring assembly is located in the middle of the mixing vessel body to continuously stir the suspension. This invention utilizes the liquid-liquid exchange assembly, employing the reciprocating motion of a piston within the exchange plunger body, to forcibly draw liquid from the bottom of the vessel body to the surface for discharge, forming a forced vertical circulation. This allows newly added pyraclostrobin technical, thickeners, defoamers, and other lightweight materials to be quickly carried below the liquid surface, preventing prolonged floating, excessively high local concentrations, and the formation of clumps (fish eyes). The forced vertical circulation and horizontal pushing significantly shorten the overall mixing time and significantly reduce energy consumption.

The invention discloses a composition for controlling sclerotinia sclerotiorum, nano-particles and a preparation method and application thereof, and relates to the technical field of pesticides, the nano-particles comprise active components and a carrier, the active components are fludioxonil, fluindazole and difenoconazole, the ratio of fludioxonil to fluindazole to difenoconazole is (1-4): (1-7): (1-6), the carrier is a chitosan nano-carrier, and the carrier is a chitosan nano-carrier. The active component is entrapped in the nano-carrier. Compared with traditional nano-particles, the chitosan nano-particles have good biocompatibility, the preparation process is simple, the cost is low, and the chitosan nano-particles are safe and efficient; the optimal compounding ratio of the bactericides is screened out, the three bactericides are dissolved in the organic solvent and slowly dropped into the prepared chitosan nano-carrier suspension, and the corresponding drug-loaded nano-particles are obtained, the stable chitosan nano-carrier can be prepared at a high speed through the preparation method, meanwhile, the utilization rate can be effectively increased after drug loading, and the drug-loaded nano-particles are suitable for large-scale production. The sterilization effect is enhanced.

The application discloses a bactericidal composition containing WML-01 and fludioxonil, and active ingredients of the bactericidal composition include WML-01 and fludioxonil, and the mass ratio of the WML-01 and the fludioxonil is 10:1-1:10. The bactericidal composition can be used for preventing and treating rice false smut, wheat basal stem rot, wheat scab, soybean root rot, rice blast, pepper anthracnose and rape sclerotinia rot, can effectively solve the problems of less bactericides for preventing and treating the diseases, unstable prevention and treatment effect, high prevention and treatment cost and drug resistance in current production, and has a wide market application prospect.

This invention relates to a method of controlling, limiting or preventing an infestation of a plant by Oomycetes, which comprises applying to propagation material of said plant, a pesticidal combination comprising a phosphorus-based compound as active ingredient A, and an active ingredient B selected from acibenzolar-S-methyl, fludioxonil, fluxapyroxad, inpyrfluxam, mefentrifluconazole, prothioconazole, sedaxane, triticonazole, oxathiapiprolin, fluoxapiprolin, azoxystrobin, difenoconazole, fluopyram, ipconazole, metyltetraprole, silthiofam, dimethomorph, thiophanate-methyl, natamycin, benzovindiflupyr, pydiflumetofen, picarbutrazox, isocycloseram, cyclobutrifluram, broflanilide, thiamethoxam, imidacloprid, clothianidin, cyantraniliprole, chlorantraniliprole, tetraniliprole, fipronil, and any mixture thereof.

The application discloses a nanobody Nb3-P-3 capable of specifically recognizing fludioxonil and an application thereof. An amino acid sequence of the nanobody Nb3-P-3 is shown as SEQ ID No. 1. An AI-guided affinity maturation strategy is adopted to perform multi-point synergistic mutation and computer-aided screening on a key binding site of an initial nanobody Nb3, so as to obtain the nanobody Nb3-P-3. The nanobody can specifically recognize fludioxonil, a half-inhibitory concentration (IC 50 ) of the nanobody for fludioxonil is 1.95 ng / mL, a lowest detection limit (LOD) is 0.09 ng / mL, a linear range (IC 20 -IC 80 ) is 0.29-19.30 ng / mL, and the nanobody has excellent organic solvent resistance. The nanobody Nb3-P-3 has an excellent application prospect in rapid detection of fludioxonil residues.

The present application relates to the technical field of pesticide compound, especially to a kind of fungicidal composition containing boscalid and fludioxonil and application thereof;A kind of fungicidal composition containing boscalid and fludioxonil, the active ingredient contained in the fungicidal composition is boscalid and fludioxonil;The mass ratio of the boscalid and fludioxonil is 10:20~29:1;The present application discloses a kind of fungicidal composition containing boscalid and fludioxonil and application thereof, the boscalid and fludioxonil added within a certain ratio range show good synergistic effect to tomato botrytis blight, the fungicidal effect of the combination of the two is obviously higher than single agent, and the co-toxicity coefficient is above 120, the fungicidal composition prepared not only reduces its use dose and cost, but also reduces pesticide residue, reduces the harm to environment.

Methods of post-harvest protection by spraying a harvested crop of sugar beets, potatoes, or corm vegetables with a composition comprising fludioxonil and azoxystrobin, wherein the only active ingredients in the composition fludioxonil and azoxystrobin.

Pesticidal mixtures comprising as active compounds A) the ethylsulfone compound of formula (I) and B) at least one further compound B selected from fipronil, lambda-cyhalothrin, bifenthrin, tefluthrin, alpha-cypermethrin, thiamethoxam, clothianidin, acetamiprid, imidacloprid, dinotefuran, tri-flumezopyrim, fenmezoditiaz, spinosad, spinetoram, abamectin, afidopyropen, indoxacarb; met-aflumizone, spiropidion, spidoxamat, chlorantraniliprole, cyantraniliprole, tetraniliprole, cyclaniliprole, broflanilide, isocycloseram; dimpropyridaz; and difenoconazole, prothioconazole, flutriafol, ipconazole, tebuconazole, mefentrifluconazole, triticonazole, fluoxytioconazole, metyltetraprole, azoxystrobin, trifloxystrobin, pyraclostrobin, sedaxane, penflufen, fluopyram, fluxapyroxad, pydiflumetofen, isoflucypram, cyclobutrifluram, oxathiapiprolin, fluoxapriprolin, metalaxyl, picarbutrazox, fludioxonil, thiophanat-methyl; methods and use of these mixtures for combating invertebrate pests such as insects, arachnids or nematodes in and on plants, and for protecting such plants being infested with pests, especially also for protecting plant propagation material as like seeds.

This invention relates to a method of controlling, limiting or preventing an infestation of a plant by Oomycetes, which comprises applying to propagation material of said plant, a pesticidal combination comprising a phosphorus-based compound as active ingredient A, and an active ingredient B selected from acibenzolar-S-methyl, fludioxonil, fluxapyroxad, inpyrfluxam, mefentrifluconazole, prothioconazole, sedaxane, triticonazole, oxathiapiprolin, fluoxapiprolin, azoxystrobin, difenoconazole, fluopyram, ipconazole, metyltetraprole, silthiofam, dimethomorph, thiophanate-methyl, natamycin, benzovindiflupyr, pydiflumetofen, picarbutrazox, isocycloseram, cyclobutrifluram, broflanilide, thiamethoxam, imidacloprid, clothianidin, cyantraniliprole, chlorantraniliprole, tetraniliprole, fipronil, and any mixture thereof.

Methods of post-harvest protection by spraying a harvested crop of sugar beets, potatoes, or corm vegetables with a composition comprising fludioxonil and azoxystrobin, wherein the only active ingredients in the composition fludioxonil and azoxystrobin.

The application belongs to the technical field of pesticide insecticide and fungicide, and discloses a pesticide composition containing fluazinam and fludioxonil and application thereof. The pesticide composition comprises a fungicide and an insecticide. The fungicide is fluazinam and fludioxonil, and the insecticide is thiamethoxam. The pesticide composition has reasonable components, can prevent various plant diseases and insect pests, and has remarkable synergistic effect after one-time application, thereby saving labor and time.

This disclosure relates to a seed treatment microcapsule suspension-suspension containing chlorantraniliprole, fludioxonil, and metalaxyl, and its preparation method. The method includes: 1) dispersing metalaxyl emulsifiable concentrate in an emulsifier solution to obtain a first material; 2) mixing the first material with an aqueous monomer solution to obtain a second material; 3) adjusting the pH of the second material to 3.5-5.0 and performing solidification and condensation to obtain a third material; 4) mixing the third material with a first dispersant, a first thickener, and an antifreeze agent to obtain a metalaxyl microcapsule suspension; 5) mixing the metalaxyl microcapsule suspension with a chlorantraniliprole-fludioxonil suspension, a film-forming agent, and a colorant to form a metalaxyl-fludioxonil-chlorantraniliprole seed treatment microcapsule suspension-suspension. This method can increase the storage stability of the formulation, effectively prolong the effective period of metalaxyl, and at the same time, the combined use of metalaxyl with chlorantraniliprole and fludioxonil broadens the fungicidal spectrum, effectively preventing and controlling various seedling diseases and pests of crops.

The invention relates to the field of pesticide bactericides, and discloses a bactericidal composition, a bactericide and application thereof, and a method for preventing and treating rhizoctonia cerealis and wheat scab. The active ingredients of the bactericidal composition comprise fluorobenzene ether amide and a component B, the component B is selected from at least one of metconazole, fludioxonil and Metyltetraproll; and the component C is selected from at least one of the metconazole, the fludioxonil and the Metyltetraproll. And the content mass ratio of the component B to the fluorophenyl ether amide is 1: (0.2-5). The bactericidal composition provided by the invention can prevent and treat wheat scab and wheat sharp eyespot at the same time, and has an excellent prevention and treatment effect.

The present invention relates to novel fungicidal compositions, to their use in agriculture or horticulture for controlling diseases caused by phytopathogens, especially phytopathogenic fungi, and to methods of controlling diseases on useful plants.

The invention discloses a method for improving the germination rate and the seedling rate of sugarcane hybrid seeds. Comprising the following steps: priming: soaking sugarcane hybrid seeds in water for 6-24 hours, and then drying until the weight of the seeds is not reduced any more; and coating: carrying out coating treatment on the dried sugarcane hybrid seeds by adopting a seed coating agent to form coated seeds. According to the seed coating agent, the volume ratio of 4% metalaxyl-M fludioxonil to water is 1: 1, or the volume ratio of 11% metalaxyl-M fludioxonil to azoxystrobin is 1: 2, and the ratio of the seed coating agent to the sugarcane hybrid seeds is 0.5 mL: 1 g to 1.5 mL: 1 g. An ideal effective method for promoting germination and seedling formation of the sugarcane hybrid seeds is obtained by adopting a treatment technology of combining seed initiation with seed coating agent coating, the germination rate of the seeds is increased by more than 10%, the seedling formation rate is increased by more than 20%, seed mildew is reduced, and the germination and seedling culture period of the sugarcane seeds is greatly shortened.

A process for determining the fludioxonil content in a liquid medium by performing a color reaction with [4-(dimethylamino)phenyl]methanol (p-DAB) or 4-Dimethylaminocinnamaldehyde (DMACA) and an acid in the presence of fludioxonil and obtaining a colorimetric reading for the resulting mixture after a period of time.

The invention relates to the technical field of agricultural tools, in particular to a seed turning and continuous cropping method for a banana field. The method comprises the following steps: S1, turning seeds in an area with banana wilt morbidity exceeding 20%; s2, seedling cultivation, soil improvement and root system protection; root system protection: paving water-permeable and air-permeable silver black films in every other row, and covering banana leaves or bud-absorbing residual bodies in furrow rows for preventing weeds; performing no-tillage in early spring, performing drip fertilization, and performing drip irrigation and film mulching in dry seasons; s3, digging deep ditches for drainage and drip irrigation; s4, adding water into trifluoropyridinamine, a microbial agent A or a fluopyram suspending agent, metalaxyl-M fludioxonil and a microbial agent B, and irrigating roots; spraying the banana stems and the banana heads with the kasuraquinoline copper; cyhalothrin is used for root irrigation; regularly inspecting, flatly cutting non-reserved suction buds, removing growing points by adopting a suction bud removing device, and disinfecting; s5, ridging and root protection: taking soil from the furrow surface to protect roots; s6, selecting and remaining red buds: selecting and remaining one path of buds, flatly cutting cauloid, destroying growing points by using a bud sucking and removing device, and selecting and remaining two paths of red buds; the infection of pathogenic bacteria such as banana wilt is reduced.

The invention provides a composition containing carbosulfan, clothianidin and fludioxonil and application of the composition. The composition is prepared from carbosulfan, clothianidin and fludioxonil which serve as effective components. The effective components in the pesticide composition disclosed by the invention have a relatively good synergistic effect, and the pesticide composition has a very good application prospect.

The invention discloses bacillus velezensis, a control fungicide prepared from the bacillus velezensis and application of the control fungicide, and belongs to the technical field of microorganisms. The bacillus velezensis is screened, the preservation number of the bacillus velezensis is CGMCC (China General Microbiological Culture Collection Center) No.37347, and the bacillus velezensis is compounded with trichoderma harzianum CGMCC No.40702 according to the mass ratio of 1: 1 to form a control fungicide. The strain is screened from a grease acid oil adsorption material, and is excellent in salt resistance, heat resistance and growth promoting performance. The fungicide and fludioxonil reduced by 50% are cooperatively used, the control effect on corn root rot reaches 94.2%, POD and CAT defensive enzyme activity is remarkably induced, the yield of a single plant of potted corn reaches 90.7 g, and the synergistic effects of disease prevention, growth promotion, pesticide reduction and synergism are achieved. The invention provides an efficient and environment-friendly technical scheme for green prevention and control of the corn root rot.