71 results about "Thiophanate" patented technology

The invention discloses a method for detecting pesticide based on a colorimetric sensing array of a copper-based MOF composite material, and relates to the technical field of pesticide detection.The method comprises the steps that a Co, Zn and Cu-MOF (VB2) composite nano-enzyme material with peroxidase-like activity and laccase-like activity is prepared; before and after a pesticide analyte to be detected is added, the peroxidase-like activity and laccase-like activity of the Co, Zn and Cu-MOF (VB2) composite nano-enzyme material catalyze different substrates in a neutral environment, so that catalytic products have different colorimetric responses to detect the pesticide analyte to be detected. The method can be used for simultaneously distinguishing and detecting five pesticides including carbendazim, pendimethalin, thiophanate-methyl, triadimefon and acetamiprid, and has the advantages of simplicity and convenience in operation and high detection speed.

The application discloses application of Trichoderma asperellum strain YN4 and fungicides in prevention and treatment of plant fungal diseases. The application research shows that the Trichoderma asperellum strain YN4 has a good inhibitory effect on pepper anthracnose, rubber anthracnose, mango anthracnose, soybean anthracnose and the like. Further, compared with the single use of fungicides or the Trichoderma asperellum strain, the inhibitory effect of the combination of the two is better. Under certain conditions, the Trichoderma asperellum strain is combined with 10% difenconazole water dispersible granules, 70% thiophanate-methyl wettable powder or 450g / L prochloraz emulsion in water, and has a synergistic effect. Not only can the use amount of fungicides be greatly reduced, but also the inhibitory effect on plant pathogenic fungi can be further improved, the incidence can be reduced, the inhibition on pathogenic bacteria can be enhanced, the use and residue of chemical pesticides can be reduced, and technical support is provided for the selection of fungicides for pepper anthracnose and the like and the combination of bacteria and drugs.

The invention discloses a mixed suspended seed coating agent for preventing diseases and insect pests in a peanut seedling stage, relates to the technical field of peanut suspended seed coating agents, and aims to solve the technical problems that pungent peculiar smell exists, the insecticidal effect is not comprehensive, the effect of improving soil is not achieved, and rooting and germination of peanuts are not facilitated in the prior art. The mixed suspended seed coating comprises the following components in parts by weight: 10-20 parts of fluopyram, 5-8 parts of a fludioxonil suspending agent, 10-20 parts of difenoconazole, 10-20 parts of trifloxystrobin, 3-5 parts of a plant growth regulator, 3-5 parts of trace elements, 5-10 parts of jatropha curcas biodiesel, 30-45 parts of water, 1-5 parts of an auxiliary agent, 1-3 parts of amino-oligosaccharin, 1-3 parts of lentinan and 1-3 parts of harpin protein. According to the mixed suspended seed coating, 1-3 parts of thiophanate methyl, 1-3 parts of sophocarpidine, 1-3 parts of phoxim, 3-5 parts of herba portulacae, 3-5 parts of tobacco shreds, 3-5 parts of sasangua cake and 3-5 parts of dye are included, the pungent peculiar smell can be reduced, various pests can be effectively killed, and meanwhile the sasangua cake can improve the soil structure.

The invention provides a rare earth functional material for preventing and treating cotton verticillium wilt and a preparation method and application thereof.The rare earth functional material comprises an intermediate, a carrier and water according to the mass ratio of (4-6): (4-6): (18-25), and the intermediate comprises a rare earth lanthanum source compound, a medium and water according to the mass ratio of (7-15): (2-7): (78-89). The rare earth functional material LCP has a particularly strong inhibition effect on verticillium dahliae which is a pathogenic bacterium of cotton verticillium wilt, compared with a common pesticide thiophanate methyl in the market, the inhibition effect of the rare earth functional material LCP is obviously better than that of the pesticide thiophanate methyl, the toxic effect on plants is low, the material is expected to be applied to preparation of pesticides, and the application prospect is wide. The composition is used for controlling cotton verticillium wilt, increasing cotton yield in China and improving cotton quality.

The invention discloses a photocatalytic treatment method for thiophanate-methyl wastewater, which belongs to the technical field of wastewater treatment and comprises the following steps: S1, adjusting the pH value of the thiophanate-methyl wastewater to 8-10, adding an inorganic polymer flocculation solution to adjust the pH value to 6-7, stirring, adding an organic polymer flocculation solution for flocculation, standing after stirring, and filtering to obtain filtrate; filter residues and first treatment waste liquid are obtained; s2, mixing the first treated waste liquid with hydrogen peroxide, and performing catalytic wet oxidation to obtain a second treated liquid; s3, a composite photocatalyst is added into the second treatment liquid, ultrasonic treatment is performed for 40-60 min under irradiation of an ultraviolet lamp, standing is performed for 2-4 h, filtering is performed, and filtrate is third treatment liquid; s4, evaporation and concentration are conducted on the third treatment liquid through a membrane distiller, and treatment is completed. According to the discharged water obtained through the treatment method, the COD removal rate is larger than 95%, and the NH3-N removal rate is larger than 93%.

The invention belongs to the technical field of plant disease prevention and treatment, and relates to application of an artemisia apiacea residue extract in prevention and treatment of tobacco bacterial wilt. The invention provides application of an artemisia apiacea residue extract in prevention and treatment of tobacco bacterial wilt. The artemisia apiacea residue extract is obtained by extracting an artemisia apiacea residue raw material with an organic solvent. The organic solvent is a mixed solution of ethyl acetate and petroleum ether; the artemisia apiacea residue raw material is waste residue obtained by extracting artemisinin from artemisia apiacea. After the artemisia apiacea residue extract is prepared into the 4% artemisia apiacea residue extract microemulsion, the prevention and control effects of 1400-fold liquid and 800-fold liquid of the 4% artemisia apiacea residue extract microemulsion on tobacco bacterial wilt reach 60% or above, and the prevention and control effects of the 1400-fold liquid and the 800-fold liquid of the 4% artemisia apiacea residue extract microemulsion are superior to those of a conventional medicament of 20%

The invention discloses a macadamia nut cutting seedling raising method. The method comprises the following steps: S1, selecting a lignified branch which grows for 1-2 years and has a diameter of 0.5-1.0 cm on a macadamia nut stock plant; s2, cutting slips are sheared from branches, and leaf, top and base treatment is carried out; s3, performing section disinfection on the cutting slips; s4, the bases of the cutting slips are placed in rooting liquid medicine to be quickly dipped for 5-10 s; s5, using 800-fold liquid of thiophanate-methyl to soak leaves on the tops of the cutting slips; s6, cutting the cutting slips in a seedbed with a river sand matrix; s7, keeping the seedbed and cutting slip leaves wet; s8, removing new ear tips on the cutting slips within 3 months after cuttage in time; s9, after 2-3 rounds of leaves of new tips of the cutting slips are matured, the cutting slips are dug out and transplanted into the seedling raising bag; s10, uncovering the sunshade net after 4-5 rounds of leaves of the new tips of the cutting slips are matured; s11, after 10-15 days, the seedling raising bags are moved out of the nursery garden. The method is simple to operate and easy to master and implement, the cuttage survival rate of the macadamia nuts reaches 90% or above, and the cuttage seedling rate of the macadamia nuts is remarkably increased.

The application discloses a composition containing a pyridine amide compound and a thiophanate, which contains active ingredient compound I and thiophanate, and the weight ratio of the compound I and the thiophanate is 50:1-1:20. The composition containing the pyridine amide compound and the thiophanate provides a synergistic control effect on fungi on cereals, melons, fruit trees, legumes and vegetables.

The invention belongs to the technical field of immune anti-attractants, and particularly relates to an immune anti-attractant containing probenazole and a preparation method of the immune anti-attractant. The immune anti-attractant containing probenazole is prepared from the following raw materials in parts by mass: 10 to 15 parts of probenazole, 0.01 to 0.10 part of sedaxane, 0.01 to 0.10 part of validamycin, 0.1 to 2 parts of a binding agent, 0.1 to 2 parts of a dispersing agent, 0.1 to 2 parts of a wetting agent, 50 to 80 parts of calcium carbonate and 20 to 30 parts of water. The immune anti-attractant containing probenazole disclosed by the invention has a relatively good disease-resistant effect on three diseases of rice damping-off, rice blast and banded sclerotial blight at the same time, and is high in heat storage stability at the same time.

The invention discloses a thiophanate-methyl wastewater treatment process, and belongs to the technical field of pesticide wastewater treatment. The thiophanate-methyl wastewater treatment process comprises the following steps: S1, carrying out catalytic wet oxidation reaction on thiophanate-methyl production wastewater to obtain a treatment solution I; s2, a modified catalyst is added into the treatment liquid I for photocatalytic treatment, and treatment liquid II is obtained; and S3, performing membrane distillation treatment on the treatment liquid II to obtain a treatment liquid III, thereby completing the treatment. N, S and F atoms on a carbon substrate of the modified catalyst are directly connected with Ti atoms, and compared with a common porous material, the modified catalyst has higher photoreaction efficiency. Besides, N, S and F atoms on the carbon material can serve as active sites, the carbon skeleton is stable in chemical property and large in specific surface area and has more active sites, the catalytic efficiency of the modified catalyst is improved, and the COD removal rate reaches 97.6% or above.

The application provides a recovery system of dichloroethane in thiophthalimide production, comprising a distillation kettle, a heat exchanger, a storage tank and a negative pressure pump; the top of the distillation kettle is provided with a feeding port and a gas phase outlet, the gas phase outlet is communicated with the storage tank through the heat exchanger, and the top of the storage tank is connected with the negative pressure pump; and the bottom of the distillation kettle is provided with a liquid discharge port. The application realizes efficient recovery of dichloroethane and reduces energy consumption.

The present invention belongs to the technical field of soil improvement, and discloses a humic acid-type soil conditioner, a preparation method and an application thereof. The conditioner sequentially includes a core particle layer, a slow-release layer and a quick-release layer from the inside to the outside; the core particles include the following components: thiophanate-methyl, silicon dioxide, humic acid, binder and water; the slow-release layer includes the following components: slow-release acidifying substance, fungicide, humic acid, urea, phosphorus pentoxide, binder and desulfurized gypsum; the quick-release layer includes the following components: quick-release acidifying substance, humic acid, bamboo biochar, calcium cyanamide, straw powder, potassium sulfate, binder and magnesium sulfate. By arranging multiple layers of medicaments, the present invention firstly improves the soil environment, and then ensures the long-term stability of the crop growth environment through the slow release of the medicaments, so as to ensure the healthy growth of crops.

The invention provides a litsea cubeba autumn cutting propagation method, which comprises the following steps: disinfecting a cutting medium, and placing the cutting medium in a seedling raising bed; in September to October, litsea cubeba branches are collected and cut into sections, and litsea cubeba cutting slips are obtained; the litsea cubeba cutting slips are soaked in a diluent of thiophanate-methyl wettable powder, after standing is conducted, upper cuts are coated with a callus smearing agent, and after bundling is conducted, the cutting slips subjected to browning prevention treatment are obtained; mixing a rooting agent solution with new yellow mud, uniformly coating the base part of the cutting slip subjected to browning prevention treatment, and standing to obtain the cutting slip subjected to hormone treatment; after clear water is sprayed to the substrate, the cutting slips subjected to hormone treatment are obliquely inserted into the cutting substrate, and then cutting management is conducted. According to the litsea cubeba autumn cutting propagation method, by adding the step of preventing branches from browning and performing management after cutting, germination and growth of stems and buds of cutting slips are continuously promoted, the rooting rate of cutting propagation is increased, the litsea cubeba cutting time range is widened, operation is easy and convenient, and cost is low.

The invention discloses a pesticide composition and application thereof, the pesticide composition comprises an active component A and an active component B, the active component A is Bifemetstrobin, the active component B is any one of carbendazim and thiophanate-methyl, and the mass ratio of the active component A to the active component B is 1: 60-42: 1. The pesticide composition or the preparation thereof disclosed by the invention can enhance the pesticide effect and reduce the dosage, shows a good control effect on various plant pathogenic bacteria, has a synergistic effect under a certain mass ratio, can delay the development of pesticide resistance, and is safe to the environment.

The present application relates to the technical field of nutrient soil, and proposes a nutrient soil for improving soil organic matter and a preparation method thereof.The nutrient soil comprises the following components in parts by weight: coal gangue 100-180 parts, thickening agent 12-15 parts, binding agent 5-7 parts, vermiculite 2-4 parts, dispersing agent 1-2 parts, thiophanate-methyl 1-3 parts, and fungicide 1-2 parts.Through the above technical solution, the problem of instability of the nutrient soil in the prior art is solved, and the seed germination time is shortened.

The invention discloses a thiophanate-methyl production tail gas treatment process, and belongs to the technical field of tail gas treatment, and the thiophanate-methyl production tail gas treatment process comprises the following steps: S1, collecting thiophanate-methyl production tail gas, and carrying out dust removal treatment to obtain pretreated tail gas; s2, the pretreated tail gas is subjected to catalytic incineration through a catalytic incineration reactor, and incineration tail gas is obtained; s3, the incineration tail gas is conveyed into an absorption tower after being subjected to heat exchange and cooling, and slurry and primarily-purified tail gas are obtained; introducing the slurry into a regeneration tank, adding limestone into the regeneration tank, stirring for reaction, introducing the slurry into a sedimentation tank, enabling clarified liquor in the sedimentation tank to overflow into a collection tank for recycling, and treating precipitates in the sedimentation tank by a filter press to recover calcium sulfite and calcium sulfate; s4, conveying the primarily purified tail gas into an adsorption tower filled with an adsorption filler, and then discharging the primarily purified tail gas; according to the tail gas treatment process provided by the invention, sulfur element recovery is realized, and the tail gas purification effect is better.

The invention relates to the field of pesticide compositions, in particular to a pesticide suspending agent containing thiophanate-methyl and trifloxystrobin and a preparation method of the pesticide suspending agent. The pesticide suspending agent containing the thiophanate-methyl and the trifloxystrobin, provided by the invention, is prepared from the following raw materials in parts by mass: 5 to 6 parts of the trifloxystrobin, 40 to 42 parts of the thiophanate-methyl, 3 to 5 parts of a wetting dispersant, 2 to 3 parts of a dispersant, 1 to 3 parts of a wetting emulsifier, 1 to 2 parts of a suspending thixotropic agent, 3 to 5 parts of an anti-freezing agent, 0.1 to 0.3 part of a preservative, 0.1 to 0.3 part of a thickening agent, 0.1 to 0.3 part of a de-foaming agent and 35 to 45 parts of water. The pesticide suspending agent containing thiophanate methyl and trifloxystrobin provided by the invention is excellent in stability, low in irritation to crops and good in environmental compatibility, and has good popularization and application values.

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.

The invention relates to thiophanate-methyl wettable powder and a preparation method thereof, and belongs to the technical field of pesticides. The wettable powder is composed of 60-70 parts of thiophanate-methyl microcapsule active compound, 15-20 parts of modified kaolin, 4-6 parts of compound wetting dispersant and 5-9 parts of white carbon black. The thiophanate-methyl microcapsule active compound is prepared by coating an active compound and an Arabic gum-maltodextrin-cation modified starch ternary composite wall material, modified kaolin is modified by KH550 and polyethylene glycol 400, and the compound wetting dispersant is compounded by sodium dodecyl benzene sulfonate and polyoxyethylene ether acrylate with the ethylene oxide number of 10-12 (0.8-1.2): 1. The problems that an existing product is poor in wettability, prone to caking and uneven in dispersion are solved, the preparation technology is matched with conventional equipment, and industrial continuous production can be achieved.

This invention discloses a test strip for detecting thiophanate-methyl and its application. The test strip includes a sample absorption pad (1), a conjugate release pad (2), a reaction membrane (3), an absorbent pad (4), and a base plate (7). The reaction membrane has a detection line (5) coated with a thiophanate-methyl hapten-carrier protein conjugate and a control line (6) coated with goat anti-mouse anti-antibody. The conjugate release pad (2) is coated with a thiophanate-methyl monoclonal antibody-colloidal gold label. This invention also provides a method for detecting thiophanate-methyl residues in vegetables and fruits using the above-mentioned thiophanate-methyl test strip. The test strip provided by this invention has the characteristics of simple operation, high sensitivity, fast detection speed, and low cost, and is suitable for screening large numbers of samples and on-site monitoring.

The invention belongs to the technical field of sulfur recovery, and provides a method for recovering sulfur from thiophanate-methyl tail gas, the preparation method comprises the following steps: step 1, adding a complexing agent, an iron source and a stabilizer into deionized water, adjusting the pH value to 7.0-7.5, heating to 40-50 DEG C, and stirring to react for 3-5 hours to obtain a desulfurization catalyst; 2, sulfur-containing tail gas generated in the thiophanate-methyl production process is introduced into a combustion furnace to be combusted, and hydrogen sulfide gas is obtained; 3, the hydrogen sulfide gas is introduced into a desulfurization reactor containing a desulfurization catalyst for a removal reaction, the removed gas enters a liquid filter for gas-liquid-solid separation, and purified gas and a solid solution are obtained; 4, the solid solution enters a sedimentation reactor, sulfur in the solid solution is enriched through sedimentation, then filter pressing is conducted, and recovery liquid and sulfur are obtained. The method is high in tail gas desulfurization efficiency, capable of producing high-purity sulfur, simple in operation, low in energy consumption and suitable for industrial production.

The invention relates to a method for colorimetrically identifying thiophanate-methyl based on copper-doped carbon quantum dots, which comprises the following steps: step 1, mixing and dissolving raw materials and carrying out hydrothermal reaction to obtain a copper ion-doped carbon quantum dot crude product; step 2, based on the copper ion doped carbon quantum dot crude product obtained in the step 1, performing dialysis purification, concentration preparation and characterization to obtain a 0.5 mg / mL copper doped carbon quantum dot solution meeting requirements; and step 3, based on the 0.5 mg / mL copper-doped carbon quantum dot solution prepared in the step 1 and the step 2, through mixed reaction, spectrum and color detection and interference verification, identification and stability verification of thiophanate-methyl are realized. The method has the beneficial effects that the operation is simple and rapid, the cost is low, the thiophanate-methyl can be visually identified and analyzed on site in real time, and the used copper-doped carbon quantum dot material has better high-concentration salt resistance than a nano gold colloid solution.

This invention relates to a high-suspension-rate thiophanate-methyl wettable powder and its preparation method, belonging to the field of pesticide formulation technology. The wettable powder is composed of the following raw materials in parts by weight: 65-70 parts thiophanate-methyl, 3-6 parts carboxymethylated lignin complex, 0.5-2 parts wetting agent, 10-20 parts amino-modified kaolin, and 2-6 parts silica. The preparation method includes: mixing the carboxymethylated lignin complex, wetting agent, amino-modified kaolin, and silica to obtain a premix; adding thiophanate-methyl after air jet milling; and mixing again to obtain the final product. The wettable powder of this invention exhibits good wetting time and suspension rate, and excellent thermal storage stability.

The invention discloses a thiophanate-methyl-metconazole suspending agent for treating wheat scab and a preparation method of the thiophanate-methyl-metconazole suspending agent, and belongs to the technical field of pesticide preparations. The thiophanate-methyl-metconazole suspending agent is prepared from the following raw materials: 34 to 36 weight percent of thiophanate-methyl, 4 to 6 weight percent of metconazole, 3 to 5 weight percent of a dispersing agent, 3 to 5 weight percent of an anti-freezing agent, 0.1 to 0.3 weight percent of a de-foaming agent, 0.2 to 0.3 weight percent of a preservative, 0.2 to 0.3 weight percent of magnesium aluminum silicate, 0.1 to 0.3 weight percent of xanthan gum, 2 to 3 weight percent of a functional additive and the balance of water, wherein the dispersing agent is a hydrophobic modified carboxylic acid copolymer type dispersing agent; the defoaming agent is an organic silicon defoaming agent; the functional additive is prepared from a bio-based fluorosilicone copolymer, porous microspheres, alkyl glycoside and nano titanium dioxide. The thiophanate-methyl-metconazole suspending agent prepared by the invention has the advantages of high efficiency, environmental protection and stable dosage form, and can effectively prevent and treat wheat scab, reduce the use amount of pesticide, reduce the drug resistance and improve the safety of crops.

The invention discloses a bactericidal compound for preventing and treating plant fungal diseases and application, and belongs to the technical field of pesticides. According to the bactericidal compound disclosed by the invention, the bactericidal compound formed by combining a citral acylthiourea derivative LN-3Cl with kresoxim-methyl, combining a citral acylthiourea derivative LN-3F with thiophanate-methyl and combining a citral acylthiourea derivative LN-3OCH3 with tricyclazole can be used for preventing and treating rhizoctonia solani; the bactericidal compound formed by combining the citral acylthiourea derivative LN-3Br and the thiophanate-methyl can be used for preventing and treating phytophthora nicotianae; the germicidal compound formed by combining the citral acylthiourea derivative LN-2CH3 with chlorothalonil and combining the citral acylthiourea derivative LN-4CH3 with tebuconazole can be used for preventing and treating colletotrichum caringenum. As a synergistic component of an agricultural bactericide, the citral acylthiourea derivative remarkably improves the bactericidal activity, and the synergistic coefficient SR of the citral acylthiourea derivative is greater than 1.5.

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 invention discloses a production process of a water-soluble thiophanate-methyl preparation, and belongs to the technical field of pesticide preparations, the production process comprises the following steps: preparing porous drug-loaded microspheres by a spray drying method, crosslinking chitosan and methoxypolyethylene glycol under the action of a crosslinking agent to form polyethylene glycol modified chitosan, and coating thiophanate-methyl by using the polyethylene glycol modified chitosan as a loading material to prepare the water-soluble thiophanate-methyl preparation. Under the synergistic effect of the pore-forming agent, the granulation and pore-forming of the microspheres can be realized in one step. The thiophanate-methyl preparation prepared by taking the porous drug-loaded microspheres as the raw material not only has excellent water solubility and wettability, but also has the functions of slow release and pyrolysis resistance due to the combination of coating and micropores, the utilization rate of thiophanate-methyl is increased, and the raw material components have excellent biocompatibility and environmental friendliness, so that the thiophanate-methyl preparation has good application prospects. The sustainable development of agriculture is facilitated.

The invention discloses an application of Cu-NPs as a bacteriostatic agent of alternaria solani. The concentration of the Cu-NPs is 100 g * mL <-1 >. The Cu-NPs is low in production cost, safe and simple in application and operation method, experiments prove that the Cu-NPs have broad-spectrum inhibitory activity on plant pathogenic fungi, the antibacterial effect of the Cu-NPs at the concentration of 100 g.mL <-1 > is optimal, and the antibacterial effect of the Cu-NPs is superior to that of broad-spectrum bactericide thiophanate methyl. The antibacterial rate of the Cu-NPs solution with the concentration of 100 g.mL <-1 > on tomato early blight pathogenic bacteria alternaria solani reaches 85%.

The present invention provides a high-wetting-time thiophanate-methyl wettable powder preparation device and method, comprising a preparation device, the preparation device comprising a first preparation cylinder and a second preparation cylinder, the first preparation cylinder comprising a first mixing assembly provided at the top end of the first cylinder, and a second mixing assembly provided at the bottom end of the first cylinder. The present invention screens the mixed thiophanate-methyl wettable powder through a sieve plate and a screen provided in the second cylinder, and cooperates with a crushing rod in a screening mechanism to crush the thiophanate-methyl wettable powder, thereby facilitating the crushing of the thiophanate-methyl wettable powder and allowing it to pass through the screen. Simultaneously, an air supply mechanism is cooperated to supply dry air into the second cylinder to contact the sieved thiophanate-methyl wettable powder, thereby assisting the sieve plate and the screen to flow through the sieve, and further dries the sieved thiophanate-methyl wettable powder, thereby facilitating the wetting time of the thiophanate-methyl wettable powder prepared by the preparation device.

The invention relates to the technical field of plant cultivation, in particular to a cold-proof and synergistic cultivation method for newly planted banana seedlings, which comprises the following steps: from September 1st to September 30th, transplanting anti-yellowtop banana nutrition cup seedlings with about eight leaves into planting furrows, and covering with a silver black mulching film; before October 15, 200-300 mL of paclobutrazol banana source mixed liquid is applied to robust banana seedlings which newly grow 3-5 leaves for one week, and the paclobutrazol banana source mixed liquid is prepared by mixing 0.2-0.5 g / plant of 25-30% paclobutrazol and 3-7 g / plant of banana source with water; the two opposite ends of a plurality of supporting frames protruding relative to the planting furrows are inserted into furrow furrow surfaces 15-18 cm away from the planting furrows, after mixed liquid composed of 500-700 times of kasuthiadiazole copper, 700-900 times of propamocarb and 2500-3500 times of cyhalofop-methyl is applied to the whole garden, the surfaces of the supporting frames are covered with thin films, and an arched shed is formed. Compared with the prior art, the method has the advantages that by determining the planting and dwarfing treatment time, inserting the arched shed into the furrow surface, delaying the film breaking time of the banana seedlings and applying the pesticide with low yellow leaf rate for film mulching, the risk of weevils damage and bacterial and fungal infection is reduced, and the banana yield is increased.