26 results about "Mancozeb" 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 invention relates to the field of industrial wastewater treatment, in particular to an oxidation flocculation treatment system for sulfur-containing wastewater in mancozeb production. The system comprises a parameter acquisition module, a loss evaluation module, a boundary prediction module, a strategy selection module and a dynamic execution module. The system performs feature extraction in combination with the multi-dimensional state parameters of the fluid, and quantifies the buffer capacity loss degree of the sulfur-containing wastewater by using a mapping model; the method is characterized in that the speed of approaching a system failure boundary is predicted based on loss degree change, a fluid regulation and control strategy is generated in combination with a dangerous threshold value, and an oxidizing agent and / or a flocculating agent are / is dynamically controlled to be added for fluid state reconstruction; according to the method, the traditional passive dosing depending on a single instantaneous index is abandoned, a control object is expanded to hidden system buffer toughness, colloidal sulfur enrichment is recognized in advance and other potential risks, the hysteresis defect of a conventional sensor is overcome, prospective early warning is realized, and sludge floating and harmful gas dissipation are effectively avoided.

The application discloses an automatic control method for oxidation flocculation parameters in mancozeb wastewater treatment, and belongs to the technical field of industrial wastewater treatment and automatic control. In view of the problem that the existing process relies on manual experience and the oxidation and flocculation stages are improperly connected, the multifunctional modified material containing dithiocarbamate salt groups, quinone groups and pre-complexed manganese and zinc ions is prepared first; the material and hydrogen peroxide are synchronously added in the acid oxidation stage, and the control system monitors the redox potential change rate in real time; when the redox potential reaches the preset threshold value and the characteristic change point with the first derivative of zero or the change from positive to negative appears and is maintained for the preset maintenance time, the system is automatically adjusted to be alkaline, the modified material triggers the net capture and chelation crosslinking reaction, and finally solid-liquid separation is carried out; the polymer skeleton is protected from indiscriminate attack of free radicals, the problem of drug antagonism is overcome, and the stable and up-to-standard effluent quality is realized.

The invention belongs to the technical field of pesticides, and relates to 11 bactericide compositions for mainly preventing and treating crop diseases caused by pyricularia oryzae and colletotrichum gloeosporioides. The compound YJY-22 provided by the invention is novel in structure and unique in action mode, and has no cross resistance with isoprothiolane, fenoxanil, pyraclostrobin, tricyclazole, azoxystrobin, mancozeb, captan, difenoconazole, prochloraz, chlorothalonil and tebuconazole. As the action mechanism of the compound YJY-22 is different from that of the medicament, and the compound YJY-22 and the medicament have no cross resistance, the compound YJY-22 and the medicament are compounded, so that the sterilization range can be expanded, the sterilization effect can be enhanced, the drug resistance of phytopathogen can be delayed, the safety to crops is good, the prevention and control spectrum is expanded, and the requirements of pesticide reduction and synergism are met.

The invention relates to a composition for preventing and treating tobacco black shank and application. The composition comprises methyl jasmonate, absolute ethyl alcohol and mancozeb. In the composition disclosed by the invention, the jasmonic acid methyl ester and the mancozeb can have a relatively good synergistic effect, the jasmonic acid methyl ester can enhance lignification of cell walls, and the mancozeb can inhibit germination of pathogenic bacteria of steamed stuffed buns in the same time and further block invasion of hyphae, so that a relatively good prevention and treatment effect is achieved.

11 fungicide compositions mainly used for controlling crop diseases caused by Pyricularia oryzae and Colletotrichum spp.. Compound YJY-22 has a novel structure and a unique mode of action, and exhibits no cross-resistance with isoprothiolane, fenoxanil, pyraclostrobin, tricyclazole, azoxystrobin, mancozeb, captan, difenoconazole, prochloraz, chlorothalonil, or tebuconazole. Because compound YJY-22 and the described agents have different mechanisms of action and have no cross-resistance, combining compound YJY-22 and the described agents not only can broaden the antifungal spectrum and enhance antifungal efficacy, but also can delay fungicide resistance of plant pathogens, ensure high crop safety, expand the control spectrum, and meet the requirement of pesticide reduction with increased efficiency.

The present application belongs to the technical field of pesticides, and particularly relates to a synergistic composition for preventing and treating mango anthracnose. The synergistic fungicidal composition is prepared by compounding compound I and compound II in a mass ratio of 1-200:200-1, wherein the compound I is limettin enol, and the compound II is prochloraz, silthiofam or mancozeb. The limettin enol, the prochloraz, the silthiofam or the mancozeb are compounded in a specific mass ratio range, have a synergistic effect on inhibiting the mango anthracnose pathogen, and can improve the prevention and treatment effect on the mango anthracnose. On this basis, the application amount of the pesticide can be reduced, and the environmental pollution and pesticide residues can be reduced. In addition, when the limettin enol, the prochloraz, the silthiofam or the mancozeb are compounded, the occurrence and development of the pathogen resistance can be delayed, and the risk of resistance can be reduced.

The present invention relates to fungicidal compositions comprising as component 1) the compound (I) methyl (2Z)-3-methoxy-2-[(4-methylbiphenyl-3-yl)oxy]prop-2-enoate) and as active component 2) as active component 2) mancozeb (II-1) or metiram (II-2) wherein the weight ratio of compound (I) to compound (II) is from 10:1 to 1:10.

The invention discloses a homogeneous zinc complexing process of mancozeb, and belongs to the technical field of pesticide chemical industry. The method comprises the following steps: adding maneb and an aprotic polar solvent or ionic liquid into a reaction kettle, heating to 70-120 DEG C, continuously adding zinc salt, stirring and reacting for 50-150 minutes, filtering after the reaction is finished, and drying the solid to obtain mancozeb in a complete complexing state. The method has the advantages of process stability, low cost and good repeatability, and the prepared mancozeb has high content and high yield; the composition is safe to crops, environment-friendly and harmless to human and livestock, and the safe, high-quality, efficient, economical and environment-friendly production purpose is achieved.

The application discloses a fungicidal composition containing manganese edathamil-zinc, tebuconazole and difenoconazole as well as a preparation method and application thereof, relates to the field of pesticides, and includes the following as fungicidal effective components: manganese edathamil-zinc, tebuconazole and difenoconazole, wherein the weight ratio of the manganese edathamil-zinc, tebuconazole and difenoconazole is (0.1-99):(0.1-30):1. The application compounding the active ingredients of the drugs, namely the manganese edathamil-zinc, tebuconazole and difenoconazole, the three components do not produce mutual contradiction, the fungicidal spectrum is enlarged, the fungicidal efficiency is improved, obvious synergistic effect is shown, and the diseases in rice, soybean, wheat, peanut, corn, cotton, sunflower, vegetables and fruit trees can be prevented and treated, especially the diseases such as rust, sheath blight, anthracnose, leaf blight, target spot, brown spot and powdery mildew.

The application belongs to the technical field of pesticides, and particularly relates to a fungicide composition for preventing and treating oil olive trunk rot. The fungicide composition for preventing and treating oil olive trunk rot is prepared by binary compounding pyridine amide, myclobutanil, mancozeb or trifloxystrobin according to a mass ratio of 1-150:150-1. The pyridine amide is compounded with various existing pesticide components, and the compounding formula of the pyridine amide, myclobutanil, mancozeb or trifloxystrobin is screened out. The pyridine amide, myclobutanil, mancozeb or trifloxystrobin shows a synergistic effect on inhibiting the growth of the pathogenic fungus causing the oil olive trunk rot, can improve the prevention and treatment effect on the oil olive trunk rot, and can further reduce the application dose of the pesticide, relieve the environmental pollution and the pesticide residue.

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.

The present application relates to the field of industrial wastewater treatment, in particular to a kind of oxidation flocculation treatment system of mancozeb production sulfur-containing wastewater;Contain parameter acquisition, consumption evaluation, boundary prediction, strategy choice and dynamic execution module;System combines fluid multidimensional state parameter and carries out feature extraction, utilizes mapping model and quantifies the buffer capacity consumption degree of sulfur-containing wastewater;Its core is to predict the speed of approaching system failure boundary based on the change of consumption degree, and generate fluid regulation strategy combined with danger threshold, dynamically control the addition of oxidant and / or flocculant to reconstruct the fluid state;The present application discards the traditional passive dosing relying on single instantaneous index, expands the control object to implicit system buffer toughness, identifies potential risks such as colloidal sulfur enrichment in advance, overcomes the lag defect of conventional sensor, realizes forward-looking early warning and effectively avoids sludge floating and harmful gas emission.

The invention discloses a yellow-blue discoloration hemocyanin mancozeb compound bactericide and a preparation method thereof, and belongs to the technical field of pesticide preparation, the yellow-blue discoloration hemocyanin mancozeb compound bactericide comprises, by mass, 30%-80% of mancozeb, 0.0001%-1% of hemocyanin, 2%-8% of supramolecular carriers and 4%-65% of auxiliaries, the compound bactericide is yellow, and the compound bactericide becomes blue when making contact with water. According to the invention, mancozeb and hemocyanin are inlaid through the supramolecular carrier, so that efficient synergy of biological protein and a chemical bactericide is realized, same-effect prevention and treatment are realized under the condition that the dosage of mancozeb is reduced, and the pollution to the environment is reduced; the stability of biological protein is improved, and the lasting period of the compound bactericide is prolonged; multi-stage targeted delivery is realized, so that the permeability of the bactericide to crop leaf surfaces is improved, and meanwhile, the drug resistance risk of crops to the bactericide is also reduced; meanwhile, the specific oxygenation discoloration characteristic of the hemocyanin is utilized, so that the drug effect of the sterilization component is visually monitored.

This invention belongs to the field of intelligent industrial process control technology in the intelligent manufacturing equipment industry, specifically disclosing a rotary flash dryer and reaction vessel apparatus and method for the production of mancozeb technical. The rotary flash dryer and reaction vessel apparatus and method for the production of mancozeb technical is scheduled and executed by a central coordinating controller. After the reaction vessel parameters meet the endpoint criteria in real time, the wet material is triggered to be conveyed to the rotary flash dryer in a nitrogen-protected, sealed manner. A gradient thermal field is established in the drying chamber, the moisture content of the discharged material is detected online, and the rotation speed of the dispersing disc is dynamically adjusted. This, combined with a grading ring, achieves closed-loop particle size control, and simultaneously implements tail gas reuse and collaborative optimization control. This invention is suitable for the intelligent manufacturing equipment industry, improving product quality, consistency of physicochemical indicators, and production energy efficiency.

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.

This invention discloses an automatic control method for oxidation and flocculation parameters in manganese-zinc wastewater treatment, belonging to the field of industrial wastewater treatment and automation control technology. Addressing the problems of existing processes relying heavily on manual experience and improper integration of oxidation and flocculation stages, this invention first prepares a multifunctional modified material containing dithiocarbamate groups, quinone groups, and pre-complexed manganese-zinc ions. During the acidic oxidation stage, this material and hydrogen peroxide are simultaneously added, and the control system monitors the rate of change of oxidation-reduction potential in real time. When the oxidation-reduction potential reaches a preset threshold and the change curve shows a characteristic change point where the first derivative is zero or changes from positive to negative and is maintained for a preset duration, the system is automatically adjusted to be alkaline, triggering the entrapment and chelation crosslinking reaction of the modified material, ultimately achieving solid-liquid separation. This invention protects the polymer skeleton from indiscriminate attack by free radicals, overcomes the problem of reagent antagonism, and achieves stable compliance of effluent quality.

This invention discloses a highly stable mancozeb suspension and its preparation method, solving the technical problems of easy paste formation, easy hydrolysis of active ingredients, and poor storage stability of existing mancozeb suspensions. The suspension consists of the following components by mass percentage: mancozeb technical, polycarboxylate dispersant, polyether dispersant / wetting agent, ethylene glycol or urea, xanthan gum, silicone defoamer, chelating agent, metal salt, preservative Kathon, other adjuvants, and water to 100%. The preparation method is simple and controllable, suitable for industrial production. Stable dispersion of the technical is achieved through the synergistic effect of the electrostatic repulsion of polycarboxylate and the steric hindrance of the polyether adjuvant. Combined with the chelating agent to chelate hard water ions and precise control of the system pH and particle size, the storage stability of the suspension is significantly improved. Even after heat storage, the suspension rate remains above 90%, and the decomposition rate of the active ingredient is low. Simultaneously, the paste formation problem is solved, and it also exhibits good dispersibility, wetting, and flowability.

The present application belongs to the field of fungicide, discloses a kind of fungicide composition, and the active ingredient of the fungicide composition includes active ingredient A, active ingredient B and active ingredient C, the active ingredient A is ametoctradin, the active ingredient B is prothioconazole, and the active ingredient C is mancozeb.The present application is reasonable in component, has good fungicidal effect, and its activity and fungicidal effect are not simply superimposed each component activity, compared with the existing single preparation, in addition to having significant fungicidal effect, but also has significant synergistic effect, and good crop safety.

The application discloses a synergistic composite biological fungicide for preventing and treating cranberry fruit rot and application thereof, and belongs to the technical field of biological prevention preparations. Pseudomonas syringae and benzene ether carbendazol are scientifically compounded, the action mechanisms of the two are completely different, and the two complement each other. Field tests prove that the prevention and treatment effect of the composition on cranberry fruit rot is significantly higher than that of the single use of two single agents, and is also superior to mainstream chemical agents (such as azoxystrobin and mancozeb) on the market at present, and the composition shows obvious synergistic effect. The actually measured prevention and treatment effect can reach more than 75%, and the composition can effectively control the occurrence of diseases.

The invention provides a mancozeb polyurethane microcapsule suspending agent as well as a preparation method and application thereof, and belongs to the technical field of pesticide preparations. According to the mancozeb microcapsule, polyurethane is used as the capsule wall of the microcapsule through an interfacial polymerization technology, mancozeb is coated in the polyurethane capsule wall, and direct contact between core substance mancozeb and external water, oxygen and other environmental factors is effectively prevented through the physical isolation effect of the compact polyurethane capsule wall, so that the storage stability of the product is greatly prolonged. The polyurethane capsule wall is used as a release barrier and can control the release rate of the mancozeb, so that the mancozeb is slowly released on the surface of a crop target, thereby prolonging the lasting period of the pesticide effect, reducing the pesticide application frequency and reducing the pesticide application cost.

The invention relates to a pesticidal mixture comprising components (A) and (B) as active ingredients, wherein component (A) is cyclobutrifluram, and component (B) is mancozeb.

The present application belongs to the technical field of pest control, and particularly relates to a kind of fungi of the order of Mucorales in the class of Sordariomycetes and its application. The fungi is preserved in China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 42531. The fungi can be used for screening hazelnut disease-resistant lines or controlling hazelnut black spot disease. The present application proves by tests that eight kinds of pesticides, including penthiopyrad, mancozeb, difenconazole, pyraclostrobin, thiram, tridemorph, kresoxim-methyl and thiophanate-methyl, all have inhibitory effects on the fungi, which provides a new direction for controlling hazelnut black spot disease.

The invention belongs to the technical field of biosensors, and particularly relates to test paper for on-site quantitative detection of mancozeb and a preparation method and application thereof.The two-dimensional ZIF-67 is prepared through coordination polymerization of cobalt salt and organic ligands, the two-dimensional ZIF-67 and cobalt salt are subjected to solvothermal reaction and induced to form a Co < 2 + >-cobalt-based metal organic framework, and the Co < 2 + >-cobalt-based metal organic framework is prepared. And oxidizing the Co < 2 + >-cobalt-based metal organic framework into a multivalent cobalt-based metal organic framework through oxidation-alkali synergistic treatment to obtain a multivalent cobalt-based nano material with oxidase-like activity, and finally loading the multivalent cobalt-based nano material on filter paper to obtain the test paper. The invention develops a portable colorimetric paper-based sensor based on the combination of an MVCM and a smart phone platform, the portable colorimetric paper-based sensor is used for rapid detection of MCZ, the linear response range is 15-90 [mu] mol / L, the detection limit is 15 [mu] mol / L, and the portable colorimetric paper-based sensor has the advantages of being in situ, accurate, rapid, simple and convenient.

The application discloses a preparation method of mancozeb, and belongs to the technical field of pesticides. In the application, 1 mole equivalent of mannan, 1-1.1 mole equivalent of zinc sulfate heptahydrate are added into a hot melt extruder, the screw rotation speed is 50-250 r / min, the temperature of a mixing zone is controlled to be 30-40 DEG C, the temperature of a melting zone is controlled to be 100-110 DEG C, the temperature of a homogenizing zone is controlled to be 110-120 DEG C, and mancozeb is obtained after cooling. The mixing zone, the melting zone and the homogenizing zone of the hot melt extruder can independently set the temperature, and sequentially execute the processes of mixing, melting and homogenizing, and the temperature values are set according to the process requirements. The extrudate is cooled and pressure-filtered to obtain mancozeb, and the product can be dried and stored in the dark. The preparation method is environment-friendly, simple and low in preparation cost, does not pass through physical grinding and other processes, has little change on the current mancozeb preparation process, and has no additional three-waste output.