35 results about "Prochloraz" patented technology

The invention relates to the technical field of agricultural plant disease control, and particularly discloses a biological and chemical compound bactericide and application thereof. The biological and chemical compound bactericide comprises a bacterial solution of a biocontrol strain bacillus velezensis LHN1 and a chemical bactericide, the biocontrol strain bacillus velezensis LHN1 is preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 63550; the chemical bactericide is selected from at least one of prochloraz, pyraclostrobin or tebuconazole; in the compound bactericide, the volume ratio of the LHN1 bacterial liquid to the chemical bactericide is (1: 4)-(4: 1). Through the synergistic effect of biological prevention and control and chemical prevention and control, the problems that a single chemical bactericide pollutes the environment and the single biological prevention and control effect is unstable are solved, the prevention effect in a pot experiment reaches up to 83.99%, meanwhile, the dosage of chemical agents is reduced by 30%-50%, and the method has the advantages of being efficient, low in toxicity and low in cost and is suitable for root rot prevention and control in large-scale planting of rhizoma polygonati.

The present application relates to the field of microbiological technology, and particularly relates to a pathogenic bacterium causing root rot symptoms of red heart disease of Astragalus membranaceus and application thereof, the pathogenic bacterium is Fusarium sp. Fusarium sp. FUS-001-2025, preserved in China General Microbiological Culture Collection Center on March 16, 2026, with the preservation number of CGMCC No. 42529; it is determined to be a new recorded strain of Fusarium sp. through morphological and molecular identification, and the bactericide sensitivity determination shows that 25% silthiofam·prochloraz has the strongest inhibition effect, 25% bromothalonil, 50% azoxystrobin and 70% methylthiophanate have significant inhibition at high concentrations. The present application provides an important pathogenic bacterium resource for the pathogenic mechanism, disease resistance evaluation and development of control agents of red heart disease of Astragalus membranaceus.

The invention relates to the technical field of biological prevention and control, and discloses application of a bacillus velezensis P15 fungicide in preservation of harvested strawberries, and the application comprises the step of applying the bacillus velezensis P15 fungicide to the harvested strawberries so as to prevent and control strawberry postharvest diseases caused by pathogenic fungi. The preservation number of the bacillus velezensis P15 is CGMCC (China General Microbiological Culture Collection Center) NO.31995. The bacillus velezensis P15 microbial inoculum is used for preservation of picked strawberries, can efficiently inhibit more than 90% of picked pathogenic bacteria such as botrytis cinerea and the like, has a control effect superior to that of prochloraz, and does not enable the pathogenic bacteria to resist drugs after being used for a long time; the strawberry preservative is harmless to human, animals, plants and the environment, has no microbial agent residue, can be used for fresh keeping of green and organic strawberries, solves the food safety problem of chemical preservative residue, and improves the acceptability of consumers.

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 present application belongs to the technical field of orchid disease prevention and treatment, and particularly relates to a fungicidal composition for preventing and treating orchid root rot. The fungicidal composition for preventing and treating orchid root rot comprises active ingredients of nerol and compound a, wherein the compound a is at least one selected from prochloraz, difenoconazole and carbendazim. When nerol is compounded with prochloraz, difenoconazole and carbendazim, the synergistic effect is shown by the co-toxicity coefficient (CTC) value of the compound combination to the pathogenic fungus of Rhizoctonia solani being greater than 120, which indicates that the compound combination can improve the prevention and treatment effect on orchid root rot. In addition, the fungicidal composition contains two effective ingredients, which can delay the generation and development of pathogenic fungi resistance and overcome the problems existing in long-term use of single component fungicides. In summary, the fungicidal composition can be used for developing fungicides for preventing and treating orchid root rot.

The present application relates to a kind of fungicide composition and its application, including active ingredient A and active ingredient B, the active ingredient A is the compound shown in formula (I), and active ingredient B is prochloraz.The mass ratio of active ingredient A and active ingredient B is 1:36~34:1.The fungicide composition of the present application or its preparation can enhance efficacy, reduce drug dosage, while it can improve the prevention and treatment effect and delay the development of drug resistance.

This invention discloses a plant-derived preservative for Akebia quinata, its preparation method, and its application, belonging to the field of fruit and vegetable preservation technology. The preservative uses young Akebia quinata fruit as the main raw material, combined with Sophora flavescens, Phellodendron chinense, and Zanthoxylum bungeanum, and is prepared through primary yeast fermentation and secondary fermentation with Lactobacillus plantarum and Bacillus amyloliquefaciens. The preservative significantly reduces polyphenol oxidase (PPO) activity, effectively inhibiting enzymatic browning in Akebia quinata; after 14 days of storage at room temperature, the rot rate decreases to 64%-66%, with effects comparable to imazalil; it delays fruit cracking, reduces the cracking rate, and decreases the length and width of the ventral suture; it also has a significant inhibitory effect on Escherichia coli and Staphylococcus aureus. The product of this invention is purely plant-derived, with no chemical residues, and possesses four functions: inhibiting browning, preventing rot, preventing fruit cracking, and broad-spectrum antibacterial activity. The process is stable, and the application is simple, making it suitable for post-harvest green preservation of Akebia quinata and showing good industrialization prospects.

The present application relates to the technical field of pesticides, in particular to a kind of pyraclostrobin and prochloraz microemulsion and its preparation method and application, by weight percentage, including: pyraclostrobin 5-20%, prochloraz 20-40%, emulsifier 10%-34%, fertilizer compatible agent 6%-10%, solvent 5%-12%, cosolvent 8-15%, deionized water is made up to 100%.By adopting pyraclostrobin and prochloraz as effective active ingredients, under the action of specific emulsifier, fertilizer compatible agent, solvent and cosolvent, a microemulsion product with good pharmaceutical properties is obtained, which can cope with high and low temperature environment, adapt to various regional environments, transportation conditions and storage conditions, and the raw material is environmentally friendly, effectively reducing soil pollution, and has important significance for application in industry.

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 application discloses a method for disinfecting and inducing regeneration of a single excellent plant of Malus baccata, and comprises the following steps: S1, disinfecting the terminal bud or / and axillary bud of the Malus baccata; S2, inoculating the terminal bud or / and axillary bud into a modified MS culture medium, and culturing under preset conditions to obtain uncontaminated terminal bud or / and axillary bud; S3, inoculating the uncontaminated terminal bud or / and axillary bud into an induction culture medium, and culturing under preset induction conditions to obtain a cluster bud, wherein the components of the induction culture medium comprise a modified MS as a base, and 6-BA, IPA, prochloraz, cysteine hydrochloride and L-arginine are added; and S4, dividing the cluster bud into single plants, inoculating the single plants into a subculture medium, and culturing under preset culture conditions to obtain Malus baccata single seedlings. Compared with the prior art, the method selects a disinfection method with a high survival rate and a modified MS culture medium with obvious plant life characteristics by taking the terminal bud or / and axillary bud of the Malus baccata as explant material, so that more uncontaminated Malus baccata terminal buds or / and axillary buds which grow well can be obtained, and the tissue culture can be carried out for a long time, thereby providing more materials for the tissue culture of the Malus baccata.

This invention discloses a fungicide composition containing chlorfluazuron, a fungicide formulation containing the fungicide composition, and its uses. The fungicide composition includes chlorfluazuron and a compound fungicide component, wherein the compound fungicide component is selected from any one of fluopyram, cyazofamid, and prochloraz. The uses refer to the application of the fungicide composition in the preparation of agents for the control of crop diseases. The fungicide composition of this invention consists of active ingredients with different mechanisms of action, and when mixed, it exhibits a significant synergistic effect, improving the control efficacy. It also helps to overcome and delay the development of drug resistance in diseases, and can be used to develop novel and highly effective agents for the control of wheat scab and corn ear rot.

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 application discloses a priestia megaterium and application thereof in prevention and treatment of pepper anthracnose, and belongs to the technical field of plant disease biocontrol strains.The priestia megaterium (Priestia megaterium) GR046 has been preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 20241112.A priestia megaterium is obtained through isolation and screening, and it is found through experiments that the priestia megaterium has an inhibiting effect on Sphaeropsis sclerotivorus, which causes pepper anthracnose, and through a prevention and treatment experiment, it is found that, compared with 100% of the incidence rate of a control group, the incidence rate of a GR046 treatment group is significantly reduced, and is only 28.33+ / -2.89%, and the lesion diameter is only 7.37+ / -0.91 mm, which is equivalent to the prevention and treatment effect of a commonly used bactericide, prochloraz.The priestia megaterium provided by the application has great potential to be developed into a commercialized live biocontrol preparation.

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

The application discloses a kind of containing prothioconazole, carboxin, cartap pesticide composition and its application, comprising effective component prothioconazole, carboxin and cartap, wherein, with fungicidal activity prothioconazole, carboxin and with nematocidal activity cartap mass ratio is 1~15:1~15:1~10.The pesticide composition of the application effective component mechanism is different, no cross resistance, good physical and chemical compatibility, registration development is feasible, expands the control spectrum, synergistic effect is remarkable, can effectively control rice seedling disease bacteria to carbendazim, prochloraz and acypetacs and other fungicides resistance, cultivate strong seedling, with significant application value to improve the yield and quality of rice.In the prevention and treatment of rice seedling disease, rice seedling disease, rice seedling disease and rice dry tip nematode disease effect is excellent and synergistic effect is obvious, simultaneously promote root strong seedling effect is remarkable, reduce drug synergistic effect, quality is good and cheap, to environment friendly safety, market prospect is broad.

The present application relates to a seed coating agent for controlling rape root rot disease in the mode of straw returning and mulching planting, and belongs to the field of rape root rot disease control. The seed coating agent for controlling rape root rot disease in the mode of mulching planting comprises, by weight, 1-5 parts of cyazofamid, 1-3 parts of prochloraz, 6-10 parts of humic acid, 80-100 parts of an auxiliary agent, 0.2-1 parts of a soluble calcium salt, 0.1-0.5 parts of a water-soluble boron compound, and 1-3 parts of imidacloprid. The present application is suitable for controlling rape root rot disease in a shady and humid environment in the mode of straw returning and mulching planting, and can also inhibit weed growth, promote seedling growth, enable the seedlings to grow rapidly and break through the mulch, and increase yield.

This invention belongs to the field of pesticide fungicide technology, and discloses a fungicide composition containing Cyclobutrifluram and its application. The active ingredients of the fungicide composition include Cyclobutrifluram and prochloraz or its salt, and the mass ratio of Cyclobutrifluram to prochloraz or its salt is 1:50 to 54:1. The fungicide composition of this invention has significant control effect on wheat scab, can effectively slow down the development of the disease, reduce the amount of pesticides used, and is environmentally safe.

This invention belongs to the field of postharvest preservation technology for agricultural products, specifically relating to a preservation and antiseptic composition containing octenylamine and its application. The preservation and antiseptic composition containing octenylamine has an active ingredient composed of octenylamine and a compounding factor; wherein the compounding factor is selected from at least one of imazalil, thiabendazole, imazalil, biguanide trioctylbenzene sulfonate, and thiamethoxam. The preservation and antiseptic composition of this invention uses octenylamine as its core, and by combining it with other highly effective fungicides, the compounded combination exhibits a significant synergistic effect, possessing high efficiency, low toxicity, low residue, and effectively delaying the development of drug resistance. It can provide support for postharvest preservation and antiseptic treatment of agricultural products, and has significant practical significance and market value.

The present application relates to a kind of fungicide composition and its application, including active ingredient A and active ingredient B, the active ingredient A is the compound shown in formula (I), and active ingredient B is any one of bromine fungicide, prochloraz.The mass ratio of the active ingredient A and active ingredient B is 1:35~34:1.The fungicide composition of the present application or its preparation can improve the control effect, has significant synergistic effect, and can effectively reduce the amount of drug, delay the development of disease resistance.

The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition for preventing and treating wheat stem rot, which comprises an active component, and the active component is formed by compounding chloroindole hydrazide and prochloraz or pyrazolostrobin. The compound combination of the chloroindole hydrazide and the prochloraz or the azopyrazole-ethyl ester has a synergistic effect on inhibiting the growth of the fusarium pseudograminearum causing the wheat stem rot, is beneficial to improving the prevention and treatment effect on the wheat stem rot, and can provide support for researching and developing a compound medicament for preventing and treating the wheat stem rot.

The application relates to a device for continuously extracting and recovering trichlorophenol from prochloraz, and relates to the technical field of trichlorophenol, which comprises a hydrochloric acid tank, an alkaline wastewater tank, a dichloroethane tank, a first mixer, a first continuous extractor, an acid washing water layer tank, an acid washing oil layer tank, a liquid alkali tank, a second mixer, a second continuous extractor, an alkali washing oil layer tank and an alkali washing water layer tank, the hydrochloric acid tank, the alkaline wastewater tank and the dichloroethane tank are connected with the first mixer through pipes, and the first mixer is connected with the first continuous extractor through a pipe, the complete connection system of the hydrochloric acid tank, the alkaline wastewater tank, the dichloroethane tank, two-stage mixers, two-stage continuous extractors and multiple layering tanks realizes a continuous extraction and recovery process of trichlorophenol in prochloraz amination wastewater, the structure does not need to set a solid-liquid separation link, the process steps are simplified, and meanwhile, the processing capacity is improved through a closed continuous operation design.

The invention belongs to the technical field of medical fertilizers, and particularly relates to a special fertilizer for macadamia nuts, which is prepared from the following components in percentage by mass: 0.25-2% of a first active component, 20-60% of a second active component and the balance of auxiliary components, wherein the first active component is prepared by compounding mandipropamid, osthole and prochloraz, and the second active component is prepared by compounding the mandipropamid, the osthole and the prochloraz; the second active component is selected from one or more of potassium humate, ammonium chloride, potassium chloride, ammonium sulfate, zinc sulfate and monopotassium phosphate; the auxiliary components comprise a binder, a dispersant and a filler. The special fertilizer for macadamia nuts can meet the nutritional requirements required by macadamia nut production, can improve the prevention and treatment effect on macadamia nut diseases, has the effect of multiple effects after one application, and can provide support for the development of macadamia nut industry by macadamia nuts.

The invention belongs to the technical field of pesticides, and relates to a special auxiliary agent suitable for preparing a prochloraz-containing soluble concentrate. The auxiliary agent comprises 30-50% of lanolin alcohol polyoxyethylene ether, 5-15% of cocamidopropyl dimethyl tertiary amine, 1-5% of perfluorononenoxy sodium benzenesulfonate, and the balance of one or more solvents selected from cyclohexanone, n-butanol and isobutanol. The auxiliary agent provided by the invention is suitable for preparation of a soluble concentrate containing 5-25% of prochloraz, and is especially suitable for storage and use at low temperature.

The invention provides an ampullaria gigas-based prochloraz pesticide ecotoxicity detection method, which comprises the following steps: collecting or domesticating ampullaria gigas, and distinguishing individuals in a new hatching period and individuals in an adult period as test organisms; the method comprises the following steps: respectively exposing new hatching period pomacea canaliculata and adult period pomacea canaliculata in prochloraz aqueous solutions with different concentrations, exposing for 96 hours, and regularly observing and recording the survival individual number, the inhibited individual number and the individual number with escape behavior in each group during the period; the method comprises the following steps: exposing adult pomacea canaliculata in a series of prochloraz aqueous solutions with sublethal concentrations for 21 days, and regularly measuring and recording shell height and weight of the pomacea canaliculata bodies during exposure; taking the exposed hepatopancreas, kidney and stomach tissues of the ampullaria gigas, and carrying out histopathologic observation and analysis; the invention also provides application of the detection method in evaluating the ecotoxicity of the prochloraz pesticide. The pesticide toxicity can be rapidly and systematically tested through the easily obtained pomacea canaliculata, and the detection method is comprehensive and convenient to operate.

The utility model relates to the technical field of mixing production, and discloses efficient mixing equipment for producing a prochloraz and tricyclazole mixture, which comprises a premixing chamber, the top of the premixing chamber is rotatably connected with a feeding bin, the bottom of the premixing chamber is rotatably connected with a rotating ring II, the inner wall of the rotating ring II is fixedly connected with a distribution rotating disc, and the distribution rotating disc is fixedly connected with the feeding bin. A protective shell is rotatably connected to the bottom of the distribution rotary disc, a fixed disc is fixedly connected to the top of the protective shell, a motor is fixedly connected to the position, close to the middle, of the top of the fixed disc, and the output end of the motor is fixedly connected to the position, close to the middle, of the bottom of the distribution rotary disc. According to the utility model, firstly, raw materials needing to be mixed are added through the plurality of feeding bins, the raw materials enter the pre-mixing chamber through the feeding bins at the moment, so that the raw materials are mixed more uniformly, then the raw materials slide down and fall into a packaging bag through the discharge port, and the effect of facilitating the smooth development of periodic maintenance and inspection work is achieved.

This invention provides a pharmaceutical composition for controlling peach gummosis and its application, belonging to the field of induction-based disease control technology. The pharmaceutical composition for controlling peach gummosis includes separately packaged salicylic acid and a chemical fungicide; the chemical fungicide includes hexaconazole and prochloraz; the mass ratio of hexaconazole to prochloraz is (4-8):1. This invention alternates the application of salicylic acid with a specific ratio of hexaconazole and prochloraz to peach trees. During the growing season, exogenous application of salicylic acid enhances the plant's resistance to various diseases. Combined with the use of chemical fungicides, this reduces the frequency of fungicide application. Simultaneously, due to the inducing effect of salicylic acid, it also prolongs the effective period of the chemical agents.

The invention discloses a postharvest litchi preservation method treated by an electromagnetic field. The postharvest litchi preservation method comprises the following steps: step 1, screening and pre-treating litchi fruits; step 2, grouping processing and electromagnetic field action; and step 3, packaging and storing. 4, evaluating the fresh-keeping effect; electromagnetic field non-thermal physical treatment is adopted, a large number of chemical agents are not needed, the residual risk caused by chemical preservation is avoided, the food safety requirement is met, and the method is suitable for green fruit production; the lychee fresh-keeping agent can be independently matched with clear water for use, and can also be compounded with conventional bactericides (Sportak and carbendazim) for use, so that different fresh-keeping requirements can be flexibly met, and diversified solutions are provided for storage and transportation of picked lychees.

The application discloses a method for determining prothioconazole and chlorothalonil in plant source food, which comprises the following steps: S1, preparing a sample to be measured, diluting or dissolving the sample with water, high-speed centrifugation, and taking supernatant; S2, purifying the sample to be measured, using a mixed cation exchange solid phase extraction purification column, washing the column with water, vacuum drying, and then eluting with methanol; S3, derivative of the sample to be measured, adding O-bistrimethylsilyl trifluoroacetamide + trimethylchlorosilane; S4, purification of the derivative, adding saturated sodium chloride solution, and taking the lower dichloromethane layer; S5, detecting the sample to be measured, feeding the derivative sample solution and standard working solution into a gas chromatography-tandem mass spectrometer, taking the concentration of the pesticide derivative in the standard solution as the abscissa, the peak area of the quantitative ion pair as the ordinate, drawing a working curve, and quantifying by an external standard method. The application can check the plant source food, improve the safety of the plant source food circulating on the market, and guarantee food safety standards.

The application discloses a segmented cutting seedling raising method and belongs to the technical field of garden plant breeding. The segmented cutting seedling raising method comprises the following steps: cutting preparation, root primordium promoting treatment and rooting promoting treatment. In the root primordium promoting treatment, the lower part of the cutting is dipped into a root primordium promoting solution at a high speed, the cutting is placed on a partition plate of a root primordium promoting device, the cutting on the partition plate is sprayed, spraying is continuously performed for 9-11 minutes every 2 hours until root primordia are generated, and a cutting after root primordium promoting treatment is obtained. The root primordium promoting solution is an aqueous solution of IBA, NAA and 70% prochloraz wettable powder. The segmented cutting seedling raising method can be applied to summer tender branch cutting propagation, and can shorten the rooting time and reduce the rot rate.

This invention relates to a bactericidal composition and its application, comprising active ingredient A and active ingredient B. Active ingredient A is a compound of formula (I), and active ingredient B is any one of bromodiphenyl ether, cyazofamid, and prochloraz. The mass ratio of active ingredient A to active ingredient B is 1:36 to 34:1. The bactericidal composition or its formulation of this invention can enhance efficacy, reduce dosage, improve control effect, and delay the development of drug resistance.