223 results about "Carbendazim" patented technology

The invention discloses a high-sensitivity carbendazim detection method based on terahertz metamaterial resonance enhancement, and provides a terahertz metamaterial sensor with a cross-shaped composite double-peak structure, a terahertz spectrum technology is utilized to collect transmission spectrums, the difference of different concentrations among terahertz spectrums is explored, and the detection accuracy is improved. The analysis finds that the transmission peak amplitude of the terahertz transmission spectrum of the structure is in a decreasing trend along with the increase of the concentration of a carbendazim solution, data is preprocessed through multiple scatter correction (MSC), feature extraction is performed by adopting an iterative information variable reservation (IRIV) method, and a quantitative detection model of the carbendazim terahertz transmission spectrum is established based on an LS-SVM (least squares support vector machine). The invention provides a novel approach for quantitative detection of carbendazim, and experimental results show that the RP of the model reaches 0.9825, the RMSEP is 0.2001, and the detection limit LOD is 0.672 mu g / ml. The invention provides a new method for rapid, lossless and high-sensitivity detection of carbendazim in food.

The invention relates to a method for rapidly cultivating big seedlings of pinus thunbergii and pinus densiflora, which comprises the following steps: fully mixing coco coir, turfy soil and decomposed pine needle mulch according to the mass ratio of 7: 2: 1 to form a rooting substrate; uniformly spraying a 800-fold carbendazim solution on the rooting substrate, fully sterilizing, and then fully spraying a rooting agent on the rooting substrate and uniformly stirring; the method comprises the following steps: selecting a robust plant, cutting back a rotation branch at the lower part of a layering part, keeping 20-30cm, selecting a pinus thunbergii branch according to the specification of a high-altitude layering propagation device, and removing pine needles on the branch on which the layering propagation device is to be placed; keeping the rooting substrate moist; cultivating for about three months, transplanting the branches with root systems into a container, and performing seedling cultivation management. According to the method, seedlings and matrix preparation are optimized, it is ensured that the seedlings grow in the optimal environment, and the survival rate and quality of the seedlings are improved.

The invention relates to a bactericidal composition for asparagus stem blight, which belongs to the technical field of asparagus stem blight and has good prevention, protection and treatment effects. According to the action mechanism, normal growth of pathogenic bacteria is interfered by inhibiting biosynthesis of ergosterol, a good inhibiting effect on pathogenic bacteria of various plants is achieved, and meanwhile, difenoconazole also has a strong inhibiting effect on spore formation of the pathogenic bacteria of the plants; the chitosan oligosaccharide, the carbendazim, the Chinese herbal medicine active extract, the methanol extract, the plant extract, the difenoconazole, the lentinan and the amino-oligosaccharin lentinan mixed preparation have a good prevention and treatment effect on the asparagus stem blight and can block combination of pathogens and sugar molecules on the surfaces of normal cells through an adhesion effect, so that the infection path of the asparagus stem blight is blocked. The lentinan has potential value in the aspect of preventing and treating the asparagus stem blight, and the lentinan enhances the immune function and blocks the pathogen infection pathway.

The invention is suitable for the technical field of agricultural bactericides, and provides application of an echinocandin antifungal drug in prevention and treatment of agricultural diseases. According to the present invention, the two common echinocandin antifungal drugs such as the anidulafungin and the Rezafungin acetate, which are common in the field of medicine, are firstly applied to prevention and control of crop diseases; prevention and control tests are carried out on crop fungal diseases such as sclerotiniose, corn southern leaf blight, tomato gray mold, rice blast and crop anthracnose, and results show that the two drugs can significantly inhibit the growth of pathogenic fungal hyphae, and compared with an existing agricultural commercial bactericide carbendazim, the bactericidal composition shows higher inhibitory activity and has the characteristics of high efficiency and low toxicity. The invention lays a foundation for deep research and application of echinocandin drugs in the agricultural field, has a wide market prospect, effectively improves the crop disease prevention and control level, and promotes grain yield increase and quality safety.

The invention discloses radix ophiopogonis endophytic fungi and application thereof, and belongs to the technical field of plant disease prevention and control. The endophytic fungi are separated from liliaceae ophiopogon plant ophiopogon japonicus living bodies by adopting an endophytic fungi separation and purification technology, belong to xylaria, xylaria and carbendazim fungi, are classified and named as Nemania diffusa OJ51, and have a strain preservation number of CGMCC (China General Microbiological Culture Collection Center) No. 41084. The endophytic fungus can inhibit mycelial growth of pathogenic bacteria, namely Fusarium oxysporum and Fusarium solani, of radix ophiopogonis root rot, the relative inhibition rates are 63.51 + / -1.22% and 66.27 + / -1.03% respectively, meanwhile, the disease condition of radix ophiopogonis root rot is effectively relieved, and the disease index is reduced by 76.70%. The endophytic fungus has an obvious effect of preventing and treating radix ophiopogonis root rot, and a wide application prospect is brought to the field of biological prevention and treatment of radix ophiopogonis fungus diseases.

The invention belongs to the technical field of disease control, and discloses a bactericide for controlling radix bupleuri root rot, which is prepared from the following components: 10%-20% of a vesicle-arbuscular mycorrhizal agent, 30%-50% of carbendazim, 15%-25% of JS399-19, 10%-20% of phenazino-1-carboxylic acid, 10%-20% of bacillus subtilis, 3%-7% of a surfactant, 3%-7% of a stabilizer and the balance of a carrier, the dispersing agent is used for diluting and dispersing the active ingredients. By scientifically proportioning various efficient active components such as the vesicle-arbuscular mycorrhizal agent, the carbendazim, the phenamacril, the phenazino-1-carboxylic acid and the bacillus subtilis, a set of multi-target and multi-layer disease prevention and control system is formed, pathogenic bacteria of radix bupleuri root rot are accurately struck, growth and reproduction of radix bupleuri root rot are effectively inhibited, and the disease incidence rate is greatly reduced. Compared with a traditional medicament, the bactericide not only has a remarkable control effect, but also is safe and friendly to human bodies, animals and the environment, the use frequency and the total amount of the medicament are reduced, the requirements of consumers on green agricultural products are met, and occurrence and spreading of radix bupleuri root rot are controlled.

The invention relates to the technical field of electrochemical sensing, in particular to an MXene-coated MB / PtNPs electrochemical sensor and a preparation method thereof and a carbendazim detection method, MXene is used as a carrier, PtNPs is embedded between layers and on the surface of MXene through reduction reaction, then electroactive molecules MB are introduced through electrostatic interaction, an MXene-coated MB / PtNPs composite material is formed, and the MXene-coated MB / PtNPs electrochemical sensor is prepared. And then modifying a glassy carbon electrode by using the MXene coated MB / PtNPs composite material to prepare the MXene coated MB / PtNPs electrochemical sensor. The compound is used as a ratio electrochemical sensor for detecting carbendazim, the linear range of the compound to carbendazim is 10-30000 ng / mL, the detection limit is 3.3 ng / mL, the detection speed is high, the sensitivity is high, the linear range is wide, the precision is high, the detection limit is low, meanwhile, the anti-interference performance and repeatability are good, and the compound has potential application prospects in the field of agricultural product quality detection.

The invention discloses a tissue culture and rapid propagation method for a fig male tree germplasm material, and belongs to the technical field of plant tissue culture and rapid propagation. The specific method comprises the following steps: (1) obtaining and disinfecting an explant; (2) primary culture of buds; (3) subculture multiplication of buds; (3) rooting culture; and (4) hardening seedlings and transplanting. According to the method, the optimal culture medium for tissue culture and rapid propagation of the fig male tree is obtained by combining different hormones and adjusting different hormone concentration ratios, and the differentiation and proliferation of buds of the fig male tree and the growth and rooting rate of seedlings are remarkably improved. In the explant treatment, tebuconazole carbendazim, 75% alcohol and sodium hypochlorite are adopted for the first time, so that the use of a highly toxic reagent mercury bichloride is avoided; cefotaxime sodium is added into a primary culture medium, so that the pollution rate of explants is reduced; the method is simple to operate, time-saving, labor-saving, safe and environment-friendly, and improves the inoculation quality and efficiency. The method is not limited by seasons, enlarges the excellent male tree population of the figs in a short time, and lays a foundation for cultivating new germplasm of the figs.

The invention discloses a straw fiber-based antibacterial mulching film with temperature and humidity response performance and a preparation method, and belongs to the technical field of agricultural mulching films, the straw fiber-based antibacterial mulching film with temperature and humidity response performance comprises a bottom film layer, a slow release layer and a barrier layer in sequence from bottom to top; the slow-release layer is obtained by coating the base film layer with a mixed solution of acetic acid, a bactericide, gelatin and a plasticizer; the barrier layer is obtained by coating palm wax emulsion on the surface of the slow release layer. According to the invention, palm wax, a bactericide (carbendazim), gelatin and a wheat straw fiber-based mulching film are combined to construct the wheat straw fiber-based temperature and humidity response type bacteriostatic mulching film. The straw fiber-based antibacterial mulching film can respond according to the change of environmental temperature and humidity to realize accurate release of pesticides, so that diseases are accurately regulated and controlled.

The invention discloses a preparation method of carbon dots for double-channel detection of pesticide carbendazim, which comprises the following steps: mixing a carbon source with acid water or aqueous alkali for reaction to obtain fluorescent carbon dots; and mixing the fluorescent carbon dots with a matrix for reaction to obtain the room-temperature phosphorescent carbon dots. The invention also discloses an application of the room-temperature phosphorescent carbon dot in two-channel detection of pesticide carbendazim. The room-temperature phosphorescent carbon dots prepared by the invention can interact with carbendazim in the presence of carbendazim, so that the distance between the room-temperature phosphorescent carbon dots and the carbendazim is short, and energy transfer or electron transfer between molecules can occur. The fluorescence intensity, the fluorescence wavelength, the phosphorescence intensity, the phosphorescence wavelength and the phosphorescence service life of the room-temperature phosphorescence carbon dots are changed, and the purpose of quantitatively detecting carbendazim through fluorescence and phosphorescence double channels is achieved. According to the method, the fluorescence and phosphorescence dual-channel sensing technology is used for ultrasensitively detecting the residual content of carbendazim in food and water environment for the first time, and compared with a traditional carbendazim detection method, the method has the advantages that the visualization effect is good, the accuracy and sensitivity are high, and the selectivity is good. And the requirements of batch preparation in industrial production are met, so that the method is extremely easy to practically popularize and apply.

The invention discloses an application method of magnesium hydride in hydroponic seedling hardening of rubber trees, which comprises the following steps: improving Hoagland into a hydroponic nutrient solution, adding magnesium hydride into the nutrient solution, and adjusting the pH value; the method comprises the following steps: selecting rubber tree stable-period test-tube plantlets which meet plant height requirements, have roots, stems and leaves and are pollution-free; and taking out the test-tube plantlet from the test tube, cleaning the culture medium on the root system, soaking with a carbendazim solution, and putting into a nutrient solution for hydroponic seedling hardening. According to the invention, 5-20mg of magnesium hydride is added into each liter of nutrient solution, so that the solution is in a hydrogen-rich state, the seedling hardening survival rate is obviously improved, and the plant quality is improved. Compared with a control group, the optimal concentration has the advantages that the seedling hardening survival rate is obviously improved, and the seedling hardening survival rates under the temperature conditions of 25 DEG C and 20 DEG C are respectively improved by 30% and 11%; the plant height and the stem diameter are respectively increased by 11.86% and 13.33% at the temperature of 25 DEG C, and reach an extremely remarkable level. The method provides support for improvement of a rubber tree seedling raising technology.

The invention relates to the field of potato planting, in particular to a preparation method of a safe seed dressing agent for seed potatoes and a seed dressing method.The potato seed dressing agent is prepared by mixing a calcium magnesium phosphate fertilizer, 50% carbendazim wettable powder, 3% Zhongshengmycin wettable powder, 80% mancozeb wettable powder and a slow release component, and the seed potatoes are cut into blocks for seed dressing. The method can safely and efficiently prevent and treat diseases such as soft rot, bacterial wilt and wilt of potatoes, reduces the rotting rate of potato blocks, improves the emergence rate, yield and quality of potatoes, and is simple to operate, easy to master and suitable for large-scale popularization and application.

The invention discloses a kudzu vine root seedling raising method. The disclosed method comprises the following steps: sequentially soaking kudzu vine root cuttings in a carbendazim solution and a growth solution; the growth solution is a mixed solution of growth hormone and an aqueous extract of fragrant eupatorium herb; the radix puerariae cuttage branches are lignified kudzu vines with bud nodes; performing cuttage on the soaked cuttings in a rooting medium for culture; the temperature of the culture environment is 26-30 DEG C, and the humidity is 76%-82%; when the cuttings are grown and buds grow to 5cm, applying a nutrient solution to the roots; and continuing to culture until the cutting wood roots and the root hair grows to 10cm to obtain the kudzu vine root seedlings. According to the method, the culture mode, the culture medium and the culture device are improved, so that the root primordium forming number of the cuttings is effectively increased, the rooting rate is increased, and the seedling raising period is shortened.

The invention discloses a high-pressure propagation method for a branch of ormosia boluensis. The high-pressure propagation method comprises the following steps of: selecting an ormosia boluensis branch; belongs to the technical field of endangered plant asexual breeding. In order to solve the technical problems of extremely low survival rate (only 1-2 plants) and the like of the existing grafting, cuttage and other methods, a branch high-pressure propagation technology is successfully applied to the ormosia boularis for the first time, and nutrient soil is adopted, and a rooting solution and carbendazim are matched to serve as a rooting substrate; the girdling branches are wrapped with a high-pressure box, strict humidity control is carried out, and regular maintenance is carried out to induce rooting; during separation transplanting, the high-pressure soil wrapping ball is completely reserved to avoid damage to the root system; trimming and original habitat shading maintenance are assisted after transplanting. According to the method, the survival rate of the seedlings is successfully increased to 87.5%, vegetative propagation individuals of the boleo beans can be rapidly and efficiently obtained, and reliable technical support is provided for solving natural renewal obstacles of the boleo beans and achieving population rejuvenation and near depreciation of the boleo beans.

The application discloses a kind of biological pesticides for efficiently preventing and treating asparagus stem blight, comprising the following raw materials by weight parts: carbendazim 5-10 parts, mancozeb 3-6 parts, chlorothalonil 5-8 parts, benlate emulsion 1-5 parts, bordeaux mixture 1-4 parts, bacteriostatic net 2-5 parts, water 150-200 parts, radix isatis 20-30 parts, coptis 15-25 parts, purslane 25-30 parts, dandelion 10-15 parts, isatis leaf 10-15 parts, amomum villosum 5-10 parts, anise 8-15 parts.The extract B extracted from Chinese herbal medicine radix isatis, coptis, purslane, dandelion, isatis leaf, amomum villosum and anise is added in chemical agent carbendazim, mancozeb, chlorothalonil, benlate emulsion, bordeaux mixture and bacteriostatic net, so that the biological pesticides for efficiently preventing and treating asparagus stem blight is finally obtained, which avoids the reduction of prevention and treatment effect on asparagus stem blight by using only chemical agent for a long time.The experimental data shows that the biological pesticides for efficiently preventing and treating asparagus stem blight prepared by the application can effectively prevent and treat asparagus stem blight.

The application provides a hard branch cutting breeding method of Actinidia kolomikta and Zizyphus jujuba, relates to the technical field of asexual reproduction and seedling raising, and comprises the following steps: (1) collecting 1-2 year old branches and pruning branch tips; (2) cutting into 10cm cuttings with more than two bud points, with the upper end of the cutting being inclined and the lower end being horizontal, and soaking the cutting in carbendazim for sterilization treatment; (3) selecting grass charcoal mixed with perlite as a cutting substrate, disinfecting the substrate after being loaded into a plug tray; (4) preparing a rooting agent, treating the cutting of step (2), inserting the cutting into the substrate of the plug tray, fixing the cutting, pouring carbendazim through the substrate, and covering the cutting with a transparent cover; (5) placing the cutting under the condition of 70% shading, increasing 20% illumination after new leaves are unfolded, controlling the temperature to be 10-30 DEG C, timely watering the cutting after cutting, combining with carbendazim sterilization, gradually opening the transparent cover after 40d of cutting, watering according to the situation, and spraying foliar fertilizer every 10d; and (6) transplanting and planting the cutting after 60d of cutting. The application has the beneficial effects of simplifying the hard branch cutting steps of Actinidia kolomikta and Zizyphus jujuba and shortening the cutting breeding period.

A kind of akebia trifoliata seed seedling method, comprising the following steps: selecting suitable nursery land;Organic fertilizer is applied, soil is ploughed, and seedbed is made;Sterilize to seedbed ridge surface, after sterilization, forest humus and wood ash are covered on seedbed ridge surface, then mulch is covered on seedbed;Fully mature akebia trifoliata fruit is collected, seed is taken, washed, and dried;Seed is soaked with carbendazim solution, after soaking, seed is mixed with clean river sand, then covered with straw, placed in cool place, daily water is sprayed to ensure that straw is wet, until seed is white to reach requirement;According to predetermined plant spacing, hole is dug on seedbed ridge surface, white seed is placed in each hole, covered with forest humus, then covered with straw to conserve soil moisture;Seedling emerges, seedbed is cultivated and weeded, leaf is unfolded, and pinching is carried out, and interval seedling is carried out when pinching is carried out.The akebia trifoliata seed seedling method of the application can reduce akebia trifoliata seed disease occurrence, and improve akebia trifoliata seed survival rate.

The invention belongs to the technical field of plant tissue culture, and provides a composite systemic bactericidal solution for lily bulb pretreatment and a matched disinfection and primary culture method thereof. Each liter of the working solution comprises 4-8 g / L of 50% carbendazim wettable powder, 2-6 g / L of 50% chlorobromoisocyanuric acid soluble powder and 1-2 g / L of metalaxyl-hymexazol aqueous solution. The method sequentially comprises the steps of appropriate dehydration of bulbs, soaking in a composite systemic bactericidal solution, standing for absorption, surface sterilization, short soaking in a protective solution and continuous bacteriostatic culture. According to the technical scheme, the limitation of traditional surface sterilization is broken through, deep and surface double sterilization is considered, the multi-mechanism and multi-link synergistic effect is achieved, the pollution rate (smaller than or equal to 3%) of lily bulb primary culture is reduced, mercuric chloride is avoided, and the method is safe, environmentally friendly and suitable for large-scale culture of lilies and other bulb crops.

The invention discloses a preparation method and application of a pesticide preparation for preventing and treating watermelon fusarium wilt, and belongs to the technical field of biocide pesticides. The carbendazim, the iprodione, the lotus seed pot extract and the seaweed residues are combined to serve as effective components of the pesticide, the pesticide preparation for preventing and treating the watermelon fusarium wilt is applied to soil which is continuously seeded for many years according to field experiment data, the disease index is 7.22%, the prevention effect is 82.44%, the yield of a single plant is 9.75 + / -0.35 kg, and the yield per mu is 2865 kg. The seaweed residues and the lotus seed pot extract are mixed to serve as a pesticide synergist, the pesticide synergist is compounded with a basic chemical agent, the obtained pesticide preparation has a better effect in the aspect of preventing and treating watermelon fusarium wilt, and the combined effect is better than the effect of independently using the basic chemical agent, the seaweed residues or the lotus seed pot extract; the method has practical significance in watermelon fusarium wilt control and watermelon yield increase.

This invention belongs to the field of microbial technology, specifically relating to a strain of Acetobacter peroxide 672 and its applications. The Acetobacter peroxide 672 strain of this invention can enhance the antagonistic activity of Pichia pastoris against Rhizoctonia solani and also antagonizes Colloidal anthracnose, providing a multi-faceted solution for the biological control of crop diseases. Furthermore, the strain possesses the ability to produce indoleacetic acid, which can significantly promote the growth and development of grain crops such as wheat and corn, promote root expansion, enhance nutrient and water absorption, and thus effectively increase biomass. In addition, the strain can tolerate and degrade chemical pesticide components such as imidacloprid and carbendazim, alleviating soil pesticide residue pollution, and can effectively alleviate the inhibitory effects of low pH stress on crops, enhancing their stress resistance. Therefore, the Acetobacter peroxide 672 strain of this invention has significant application value in the biological control of crop diseases, crop growth promotion, soil pesticide residue remediation, and enhancing crop stress resistance.

The invention provides a rare-earth-based composite pesticide and a preparation method and application thereof, active ingredients of the rare-earth-based composite pesticide comprise a soil material LN and carbendazim according to the mass ratio of (2-3): 1, and the soil material LN is prepared after a lanthanide rare earth material and iodic acid react and crystallize. The rare-earth-based composite pesticide disclosed by the invention has an obvious inhibition effect on pathogenic bacteria of cotton verticillium wilt, can obviously improve symptoms of the cotton verticillium wilt in field experiments and practical application processes, and reduces agricultural loss caused by the cotton verticillium wilt.

The present invention belongs to the technical field of wheat field foliar fertilizer, and specifically relates to a double-effect wheat field foliar fertilizer. A double-effect wheat field foliar fertilizer, comprising the following components by weight percentage: 1.5-40% of a bactericidal composition, 3-30% of a plant foliar fertilizer, 1-10% of a dispersant, 1-4% of a wetting agent, and the filler is supplemented to 100%; wherein the active ingredient of the bactericidal composition is compounded by carbendazim and paeonol, and the mass ratio of carbendazim to paeonol is 1-20:5-1. The double-effect wheat field foliar fertilizer of the present invention contains ingredients such as a bactericidal composition and a plant foliar fertilizer, wherein the bactericidal composition can prevent and treat wheat fusarium head blight. When used, the bactericidal composition prevents and treats wheat fusarium head blight, and the plant foliar fertilizer supplements nutrients for wheat growth, and the combination of the two is beneficial to improving the yield and quality of wheat.

The invention relates to the technical field of planting substrates, and particularly discloses a seedling substrate special for leafy vegetables. The substrate is prepared from a bottom substrate and a covering substrate material, wherein the bottom substrate is prepared from the following substances: turf, perlite, vermiculite, a water-retaining agent loaded with growth promoting elements, potassium nitrate, calcium superphosphate, Previcle and chlorothalonil; the covering substrate is composed of vermiculite and carbendazim. Compared with the prior art, the prepared seedling raising substrate has the advantages of being good in water-retaining property, high in seedling survival rate and the like.

The invention discloses a plant cultivation method, which belongs to the technical field related to plant cultivation technology, and comprises the following steps: S1, soaking mixed seeds in a carbendazim solution, taking out, and airing for later use; s2, treating the saline-alkali soil in the sowing area, removing weeds and sundries, applying rotted cow dung, ploughing and leveling the land, and digging furrows after ploughing and leveling the land; s3, a microbial agent is evenly sprayed in furrows, after the microbial agent is sprayed, the mixed seed bags are sown in the furrows, the furrows are covered with soil, the soil is leveled and covered, and the microbial agent is nitrogen-fixing bacteria. By preparing the mixed seed bag, the germination rate of forage grass seeds under drought stress can be increased, drought stress can be relieved, and according to seasonal changes of grassland vegetation growth, a differentiated reseeding strategy and a seed bag formula are adopted, so that continuous recovery and ecological balance of grassland vegetation are achieved; meanwhile, the cultivated alfalfa has high seed germination rate, seedling survival rate and plant survival rate.

This invention discloses a method for hardwood cutting propagation of the mangrove plant *Avicennia marina*, comprising: S1: Selection and preparation of cuttings: In early July, select vigorous, healthy, and disease-free superior single plants, collect robust perennial branches, keep them moist after collection, bring them back to the cutting site, and cut them into cuttings on the same day; S2: Pretreatment of cuttings: Disinfect the cuttings obtained in step (1) by soaking them in a 700-fold carbendazim solution for 10 minutes, and then let them air dry naturally; subsequently, quickly dip the cuttings in a 1000 mg / L NAA and IBA hormone solution for 30 seconds, and insert them into the substrate of the seedbed to a depth of 3-4 cm. This method for hardwood cutting propagation of the mangrove plant *Avicennia marina* provides technical support for the industrialized and large-scale production of superior *Avicennia marina* seedlings, and can also ensure the demand for superior seedlings for the ecological restoration of coastal mangroves.

The invention discloses a chitosan modified ferroferric oxide / carboxylated multi-walled carbon nanotube-based molecularly imprinted electrochemical sensor as well as a preparation method and application thereof, and relates to the technical field of electrochemical sensing. The invention aims to solve the problems that the existing method for detecting carbendazim is complicated to operate and high in cost and the traditional sensor is poor in selectivity. The invention discloses a molecularly imprinted electrochemical sensor based on chitosan modified ferroferric oxide / carboxylated multi-walled carbon nanotubes. The molecularly imprinted electrochemical sensor comprises a glassy carbon electrode, and a molecularly imprinted polymer and CS-Fe3O4-CMWCNTs which are modified on the surface of the glassy carbon electrode, the molecularly imprinted polymer is prepared by taking carbendazim as a template molecule, methacrylic acid as a functional monomer, ethylene glycol dimethacrylate as a cross-linking agent and azodiisobutyronitrile as an initiator. The molecularly imprinted electrochemical sensor is applied to detection of carbendazim.

This invention discloses a highly sensitive detection method for carbendazim based on terahertz metamaterial resonance enhancement. The invention proposes a terahertz metamaterial sensor with a "+" shaped composite double-peak structure. Transmission spectra were acquired using terahertz spectroscopy, and the differences in terahertz spectra at different concentrations were investigated. Analysis revealed that the amplitude of the transmission peak in the terahertz transmission spectrum of this structure decreases with increasing carbendazim solution concentration. Data preprocessing was performed using multivariate scattering correction (MSC), feature extraction was conducted using the iterative information-preserving variable (IRIV) method, and a quantitative detection model for carbendazim terahertz transmission spectra was established based on LS-SVM. This provides a new approach for the quantitative detection of carbendazim. Experimental results show that the model has a high R-value. P The assay yielded a value of 0.9825, an RMSEP of 0.2001, and a detection limit (LOD) of 0.672 μg / ml. This invention provides a novel method for the rapid, non-destructive, and highly sensitive detection of carbendazim in food.

The invention discloses a seed sowing and seedling raising method for red pepper in the technical field of red pepper planting, which comprises the following steps: mixing 20g of thiamethoxamethoxam and 1.5 kg of pepper seeds in a seed treatment link until the surfaces of the pepper seeds are all red, and then spreading and drying in the shade; the method comprises the following steps of: opening compartments for sowing seeds, uniformly spreading 140L of sawdust or a seedling raising substrate in each compartment before sowing the seeds, mixing the coated seeds with coal ash or dry fine sand, uniformly spreading the mixture on the compartment surfaces, covering the seeds with 210L of sawdust or seedling raising substrate, preferably, covering the seeds by 2cm higher than the seeds, and covering the seeds with 210L of sawdust or seedling raising substrate; and then spraying a solution prepared by mixing 30g of bacillus subtilis or carbendazim with 15kg of water until the soil is wet. According to the Chinese prickly ash seedling breeding method, the seed germination rate can reach 80%, the seedling root system is developed, the survival rate after transplanting can reach 95% or above, the production efficiency is improved, and the production cost is reduced.

This invention relates to the field of soil treatment technology, specifically a method and its application for reducing compound fungicides in soil-plant systems by combining nano-silica and nitrification inhibitors. Nitrification inhibitors are used as a nitrogen management measure, and the application of nanomaterials influences soil abiotic properties and bacterial communities to drive the degradation of paclobutrazol and carbendazim. The application of nitrification inhibitors (DCD) produces multiple effects: significantly reducing carbendazim residues in soil-plant systems, paclobutrazol residues in soil, and NO3 in plants. ‑ -N and promote the content of soluble sugars and proline in plants. DCD reduces the activity of the soil electron transport system and β-glucosidase activity, while the addition of nano-SiO2 can mitigate this negative effect. Nano-SiO2 selectively enhances the performance of DCD in reducing compound fungicide residues in pak choi and reducing paclobutrazol residues, but hinders the degradation of carbendazim in pak choi.

The invention discloses application of perillyl alcohol in preparation of a medicament for inhibiting growth of fusarium graminearum and the medicament containing the perillyl alcohol. The application mechanism is that perillyl alcohol destroys the mycelium cell membrane integrity of fusarium graminearum. According to the application disclosed by the invention, the growth inhibition effect of the perillyl alcohol on the fusarium graminearum which is a corn pathogenic bacterium is found for the first time, a series of experiments prove that the perillyl alcohol inhibits the growth of the fusarium graminearum by destroying the main component ergosterol of a fungal cell wall, and the inhibition effect is superior to that of a common bactericide carbendazim; and a foundation is laid for the development of pesticides for resisting pathogenic bacteria of corn.