41 results about "Metalaxyl" patented technology

This invention relates to the field of pesticide technology, particularly to the field of IPC A01N, and more specifically, to a dry suspension concentrate of metalaxyl-mancozeb and its preparation method. By weight percentage, the raw materials are: 10-72% mancozeb technical grade, 1-10% metalaxyl technical grade, 7-35% surfactant, 5-20% disintegrant, 0.1-2% defoamer, and filler to 100%. The metalaxyl-mancozeb dry suspension concentrate of this invention employs multi-stage grinding to control the particle size of the suspension concentrate to below 5μm, the suspension rate to ≥90%, and the moisture content to below 2.0%. It features strong atomization and dispersibility, rapid wetting, high suspension rate, strong penetration, and non-degradation at room temperature. In use, it reduces pesticide usage while improving control efficacy.

The application provides a synthesis process of metrafenone, in which inorganic alkali KOH is used as a catalyst, a key intermediate 4-(((5,5-dimethyl-dihydroisoxazole-4-yl)thio)methyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol can be obtained at low production cost and high yield, metrafenone is prepared through substitution reaction and oxidation reaction, the reaction yield is high, raw materials are simple and easy to obtain, three-waste emissions are small, and the process is beneficial to industrial mass production.

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.

A pesticidal composition comprising (A) chlorantraniliprole, (B) fipronil, (C) metalaxyl or metalaxyl-M, (D) fludioxonil, and (D) difenoconazole, and use of the compositions in agriculture, especially for treatment of plant propagation material.

The invention relates to a metalaxyl-M and ethylicin soluble concentrate and a preparation method thereof, and belongs to the technical field of pesticide preparations. By screening the solvent and the cosolvent, the metalaxyl-M and ethylicin soluble concentrate with good storage stability and water dilutability is prepared, and the soluble concentrate has a good control effect on tomato leaf mold. The solvent 1, 3-cyclohexane diol has a cyclic structure and two hydroxyl groups located at the meta-position, on one hand, metalaxyl-M and ethylicin are not prone to agglomeration after being dispersed, dissolved and diluted through the cyclic structure and the steric hindrance barrier effect of the two hydroxyl groups located at the meta-position, and on the other hand, metalaxyl-M and ethylicin are not prone to agglomeration after being dispersed, dissolved and diluted; on the other hand, the soluble concentrate is endowed with good hydrophilicity and lipophilicity through two hydroxyl groups and an aliphatic ring chain, and the water dilution capacity is improved. Sulfur atoms in the cosolvent can improve affinity compatibility of a system and ethylicin, hydroxyl, carboxyl and quaternary ammonium salt groups can improve hydrophilicity, and a branched structure can improve steric hindrance of metalaxyl-M and ethylicin and improve water dilution stability and storage stability.

This invention discloses a compound seed treatment agent containing metalaxyl-M and tebuconazole, its preparation method, and its uses, belonging to the technical field of seed treatment agents. The suspension of this invention uses metalaxyl-M, tebuconazole, and sodium selenite as the main components, supplemented with emulsifying and dispersing agents, wetting and dispersing agents, antifreeze agents, suspending agents, film-forming agents, and warning colors, and is prepared by adding deionized water to a sufficient volume. Metalaxyl-M targets and inhibits ribosomal RNA polymerase I of oomycete pathogens, while tebuconazole targets and inhibits sterol 14α-demethylase. The two have complementary fungicidal spectra, synergistically controlling maize stalk rot and maize head smut. Sodium selenite, by inhibiting the oxidative stress defense system of pathogenic fungi involving glutathione and thioredoxin, promotes the effects of the two main components and simultaneously remediates selenium-deficient soils. This invention is suitable for the green and efficient control of maize stalk rot and head smut, and also has the function of ecological restoration of selenium-deficient soils.

The invention belongs to the technical field of agricultural pesticides, and particularly relates to a seed treatment suspending agent containing metalaxyl-M and application. The seed treatment suspending agent comprises the following components in percentage by weight: 1.5-60% of an active component, 1-20% of a wetting dispersant, 0-5% of a grinding aid, 1-10% of an anti-freezing agent, 0.01-2% of a thickening agent, 1-10% of a film-forming agent, 5-20% of warning coloration and the balance of deionized water, wherein metalaxyl-M is contained in the active component. According to the seed treatment suspending agent disclosed by the invention, the problems that the metalaxyl-M liquid raw medicine is difficult to disperse and wrap a solid raw medicine in the preparation process of the seed treatment suspending agent and is adhered to sanding equipment and the sanding efficiency of the solid raw medicine is reduced are effectively solved through the matching combination and reasonable proportioning of the wetting dispersant, the suspension rate of a sample is improved, and the viscosity increase after heat storage is effectively controlled. The seed treatment suspending agent disclosed by the invention is excellent in performance index and good in physical stability.

The application discloses a special medicine fertilizer of metalaxyl-M and azoxystrobin, and a preparation method and application thereof, and belongs to the technical field of special medicine fertilizers. The special medicine fertilizer of metalaxyl-M and azoxystrobin is composed of the following components in percentage by weight: 0.1-2% of metalaxyl-M, 0.1-2% of azoxystrobin, 1-10% of fungicide metabolite, 0.5-1.5% of sophorose lipid, 0.2-3% of ethylene glycol, 5-20% of nitrogen, phosphorus and potassium, 0.1-2% of calcium, 0.1-2% of magnesium, and the balance of water-soluble organic matter filler. The fungicide metabolite and the sophorose lipid prepared by the specific method are synergistic with the metalaxyl-M and the azoxystrobin, so that the purpose of reducing the application amount of the pesticide fertilizer and increasing the efficiency is achieved.

The present application relates to a kind of fungicidal composition containing prothioconazole and mefenoxam in the use for preventing and treating peanut diseases;The pesticide composition at least includes active ingredient A prothioconazole and active ingredient B mefenoxam, the mass ratio of the active ingredient A prothioconazole and active ingredient B is 1:50-50:1.The fungicidal composition of the present application can be used for preventing and treating various diseases on peanut, has good control effect, can prolong the effective period of pesticide, reduce the frequency of use, effectively reduce the use amount of active ingredient and use cost, delay the generation and development of resistance, and is environment-friendly.

The invention discloses a seed treatment agent containing metalaxyl-M (A), benziothiazolinone (B) and pydiflumetofen (C) and application of the seed treatment agent. The mass ratio of the metalaxyl-M to the benziothiazolinone to the pydiflumetofen is (1-10): (1-5): (1-10). Secondly, the three effective components are compounded and prepared into the seed treatment suspending agent, and the seed treatment suspending agent can effectively prevent and treat rice bakanae disease, rice seedling rot, peanut damping-off and corn stalk rot. Through synergistic interaction of the three components, the bactericidal spectrum is effectively expanded, and the emergence rate of rice, peanut and corn seeds and the stress resistance of crops can be greatly improved, so that the yield is improved.

The invention relates to the field of organic synthesis, and discloses a pyroxasulfone preparation method, which comprises: in the presence of an oxidizing agent, toluene and / or an ether solvent, carrying out an oxidation reaction on a thioether-containing pyroxasulfone intermediate under the action of a catalyst, wherein the thioether-containing pyroxasulfone intermediate has a structure as shown in a formula (1); the catalyst comprises a first catalyst and a second catalyst; the first catalyst is acetic acid and / or sulfuric acid; the second catalyst is a TEMPO (Tetramethylpiperidone) catalyst and / or tetramethylpiperidone. The method for preparing pyroxasulfone does not need to adopt a heavy metal catalyst, is high in product yield and few in three wastes in the preparation process, and has an industrialization prospect. Formula (1)

The present invention relates to compositions comprising oxathiapiprolin, metalaxyl-M, at least one component selected from a surfactant, an emulsifier, and a dispersing agent; and a solvent system, including a water-soluble solvent, a first partially water-soluble solvent, and a second partially water-soluble solvent.

The invention belongs to the field of pesticide preparations, and particularly relates to a metalaxyl-M, ipconazole and fludioxonil seed treatment suspending agent and application thereof, and the suspending agent comprises the following components: 10-20 g of metalaxyl-M, 40-60 g of ipconazole, 30-40 g of fludioxonil, 50-150 g of a wetting dispersant, 5-20 g of a thickening agent, 0.5-5 g of a film-forming agent, 20-80 g of an antifreeze agent, 0.5-5 g of a preservative, and the balance of deionized water. The seed treatment suspending agent has excellent preparation performance and has an excellent control effect on root rot, and particularly, the formula of the preparation 1 can remarkably improve the suspending performance of the seed treatment suspending agent and improve the field control effect of the agent on the root rot.

The application belongs to the field of pesticide preparation, and particularly relates to a seed treatment suspension containing mefenoxam, ipconazole and thiomethon, and application thereof, which comprises the following components: mefenoxam 1%-3%, ipconazole 1%-5%, thiomethon 1%-3%, dispersing agent 5%-12%, wetting agent 2%-5%, film forming agent 3%-8%, thickening agent 0.15%-0.3%, antifreezing agent 2%-6%, preservative 0.1%-0.5%, defoaming agent 0.3%-1.0%, warning color 3%-12%, and the rest is deionized water. The seed treatment agent can effectively prevent and control the occurrence of rice seedling blight and peanut root rot.

The invention relates to a preparation method of pyroxasulfone. The steps of the preparation method of pyroxasulfone are carried out under mild reaction conditions. The reagent adopted by the invention is safe and can be recycled and reused. The method is simple, efficient and environment-friendly, and pyroxasulfone with higher purity and higher yield can be obtained.

The invention discloses a preparation method and application of an antigen for detecting impurities such as etoxazole in vegetables and fruits. The obtained antibody is prepared into an enzyme linked immunosorbent assay kit, and when the enzyme linked immunosorbent assay kit is used for detecting etoxazole contained in vegetables and fruits, the detection limit is 10 [mu] g / L. The detection result is high in accuracy, especially in an etoxazole antibody specificity experiment, obvious specificity to etoxazole is shown, and the detection result is not interfered by drugs such as carbendazim, triazophos, chlorpyrifos, cyfluthrin, metalaxyl, acetamiprid, difenoconazole, procymidone, chlorfenapyr, profenofos and omethoate.

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 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 application belongs to the technical field of pesticide preparation, and particularly relates to a pesticide bactericide, a preparation method and application thereof. The pesticide bactericide comprises the following raw materials in percentage by weight: manganese zinc maneb 6.5%-8.5%, metalaxyl 6.5%-8.5%, amaranth fat 6.5%-8.5%, penetrating agent 5.2%-7.2% and water 67.3%-75.3%. The pesticide bactericide is prepared by compounding the above-mentioned percentage by weight of manganese zinc maneb, metalaxyl and amaranth fat with the penetrating agent and water. The bactericide can prevent and control various pathogenic diseases of tobacco seedlings and adult plants, has low toxicity and drug resistance, and has a significant prevention and control effect after being applied to tobacco seedlings, and can increase the maturation rate after being applied to adult plants.

This invention belongs to the field of pesticide insecticide and fungicide technology, and discloses a pesticide composition containing fluopyram and metalaxyl, and its application. The pesticide composition comprises a fungicide and an insecticide, wherein the fungicide is fluopyram and metalaxyl, and the insecticide is fluchlorantraniliprole. The pesticide composition of this invention rationally combines compounds with different mechanisms of action, and the combination of these components exhibits a significant synergistic effect, effectively controlling plant diseases and pests, reducing the frequency and dosage of pesticide application, lowering agricultural production costs, extending the service life of single agents, and delaying the development of pathogen and pest resistance.

The invention relates to the technical field of pesticides, in particular to a validamycin-containing seed coating agent and a preparation method thereof. The seed coating agent comprises the following components in percentage by weight: 0.5 to 10 percent of fludioxonil, 0.5 to 10 percent of metalaxyl-M, 0.1 to 2 percent of validamycin, 1 to 10 percent of wetting dispersant, 3 to 8 percent of anti-freezing agent, 0.1 to 2 percent of thickening agent, 0.5 to 5 percent of anti-precipitation stabilizer, 1 to 10 percent of film-forming agent and the balance of deionized water. According to the seed coating agent containing validamycin, an anti-precipitation stabilizer is added into a system, and the unstable problems that the particle size of fludioxonil is obviously increased in the heat storage process of a compound combination of a strong water-soluble technical material, namely validamycin, and a non-water-soluble technical material, namely fludioxonil, and the product is easy to solidify due to the increase of the viscosity are effectively solved under a specific matching system; meanwhile, the anti-precipitation stabilizer is added, so that the generation of black floccules in the long-term storage process can be inhibited, and the appearance and quality of the product are ensured; the bactericidal spectrum is expanded, various pathogenic bacteria of rice seedling rot are effectively prevented and treated, and meanwhile, the prevention effect is outstanding.

The application discloses a kind of suspension concentrate and its application in the prevention and treatment of potato cyst nematode disease and late blight, belong to the technical field of pesticide.The application discloses a kind of suspension concentrate, and the effective component is fluazamamide, precise thiamethoxam and fludioxonil.The suspension concentrate of the application has good film-forming property, uniform coating and does not affect the emergence rate of seed potato.Compared with each single agent of the pesticide, the suspension concentrate of the application can not only prevent and treat potato cyst nematode disease, but also has certain prevention and treatment effect on potato late blight, has synergistic effect.The suspension concentrate of the application is used for the treatment of potato seed potato, saves time and labor, and can delay the drug resistance of disease, has good application prospect.

This invention belongs to the fields of organic synthesis and pesticide application, and specifically relates to the application of an indole / indazole compound with an imine fragment, the structural formula of which is as follows: This invention tested the indole / indazole compounds with the imine fragment in vitro against *P. capsici*, *P. aphaneridermatum*, and *P. litchii*. It was found that compounds A1 and A5 exhibited excellent activity against oomycetes, particularly against *P. capsici*, with EC50 values ​​of 4.4 μg / mL and 2.6 μg / mL, respectively, similar to the positive control metalaxyl (2.3 μg / mL). It is also noteworthy that when compounds A1-A5 are prepared as Cu... 2+ When the ionic complex B1-B5 was used, its inhibitory effect on oomycetes was significantly enhanced. Complex B1 showed excellent in vivo protective and curative effects against Phytophthora capsici on pepper leaves, with control efficiencies of 91.45% and 83.75% at a concentration of 200 μg / mL, respectively, which were superior to metalaxyl (80.05% and 76.15%).

The invention discloses a special medical fertilizer containing metalaxyl-M and azoxystrobin as well as a preparation method and application of the special medical fertilizer, and belongs to the technical field of special medical fertilizers. The special medical fertilizer containing metalaxyl-M and azoxystrobin is prepared from the following components in percentage by weight: 0.1 to 2 percent of metalaxyl-M, 0.1 to 2 percent of azoxystrobin, 1 to 10 percent of fungicide metabolite, 0.5 to 1.5 percent of sophorolipid, 0.2 to 3 percent of ethylene glycol, 5 to 20 percent of nitrogen phosphorus potassium, 0.1 to 2 percent of calcium, 0.1 to 2 percent of magnesium and the balance of water-soluble organic matter filler. The microbial inoculum metabolite prepared by a specific method, sophorolipid, metalaxyl-M and azoxystrobin have a synergistic effect, and the purposes of reducing application of pesticide fertilizer and improving efficiency are achieved.

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.

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 discloses a mancozeb nano suspension with the particle size smaller than 100 nanometers and a preparation method thereof, and belongs to the field of nano pesticides. Two or three components are diluted with water and mixed to form the mancozeb nano suspension with the grade of less than 100 nanometers. The preparation method comprises the following steps: under the condition that the stirring speed is not less than the effective stirring speed, adding the diluent of the component I into the diluent of the component II, or adding the diluent of the component II into the diluent of the component I; the mancozeb nano suspension is formed.

The invention relates to a pesticide composition containing metalaxyl-M and ethylicin, the pesticide composition is composed of an active component A metalaxyl-M and an active component B ethylicin, and the mass ratio of the active component A to the active component B is 1: 60-60: 1. The pesticide composition provided by the invention can overcome the harm of plant diseases to drug resistance of benzamide and carbamate bactericides, and the metalaxyl-M and ethylicin are compounded to achieve an excellent control effect on various diseases, have an obvious synergistic effect under a certain mass ratio, and are safe to the environment.

The present application belongs to the technical field of pesticides, and particularly relates to a kind of fungicide composition for preventing and treating pitaya canker disease. The fungicide composition for preventing and treating pitaya canker disease is prepared by compounding effective components of nikkomycin, thiophanate-methyl, fluopicolide or metalaxyl in a mass ratio of 1-150:150-1. The fungicide composition is prepared by compounding two effective components with different action mechanisms, has obvious synergistic effect, and can improve the prevention and treatment effect on pitaya canker disease.

The invention belongs to the technical field of modern pesticides, and particularly relates to application of a PcSec62 gene in regulation and control of pesticide resistance of phytophthora capsici. According to the application disclosed by the invention, the effect of the PcSec62 gene for regulating and controlling phytophthora capsici autophagy or endoplasmic reticulum autophagy on drug resistance is found for the first time, and the PcSec62 gene has remarkable drug resistance activity on methamides such as metalaxyl and cymoxanil and pyrazole amide drugs such as fluopicolide, and in addition, phytophthora autophagy and endoplasmic reticulum autophagy are remarkably reduced by inhibiting Sec62; experiments prove that the Sec62 has the effect of regulating and controlling the drug resistance of phytophthora capsici, so that the aim of the invention is fulfilled, and the method has great significance on the combination of the plant pathogenic oomycetes drug-reducing prevention and control, substances for inhibiting Sec62 and prevention and control pesticides.