495results about "Arthropodicides" patented technology

The present invention relates to novel heteroaryl-triazole and heteroaryl-tetrazole compounds of the general formula (I), in which the structural elements Y, Q1, Q2, R1, R2, R3a, R3b, R4 and R5 have the meaning given in the description, to formulations and compositions comprising such compounds and for their use in the control of animal pests including arthropods and insects in plant protection and to their use for control of ectoparasites on animals.

The invention discloses a preparation method of a camellia oleifera shell biopesticide, and belongs to the technical field of biopesticides, and the preparation method comprises the following steps: S1, crushing camellia oleifera shells into camellia oleifera shell powder, and mixing the camellia oleifera shell powder with humic acid, lignosulfonate, a microbial agent and a filler to obtain mixed powder; s2, adding sodium alginate and a dispersing agent into deionized water to obtain a sodium alginate solution, and mixing the sodium alginate solution with the mixed powder to obtain dispersion liquid; s3, dissolving an emulsifier in vegetable oil to obtain an oil phase solution, dropwise adding the dispersion liquid into the oil phase solution, and emulsifying to obtain a mixed emulsion; s4, dissolving chitosan and a cross-linking agent in a dilute acid solvent to obtain a chitosan solution, and dispersing the chitosan solution in the mixed emulsion for cross-linking reaction; s5, after the reaction is completed, filtering to obtain the biopesticide, wherein the biopesticide is composed of a plurality of biopesticide capsules; the biopesticide disclosed by the invention has the effects of efficiently and lastingly inhibiting bacteria, killing insects, improving the soil environment and promoting the growth of crops.

The invention provides a saline-alkali soil dry sowing pressing sowing yield increasing method, and belongs to the technical field of agricultural planting, and the method comprises the following steps: S1, seed treatment; s2, land consolidation; s3, sowing the seeds; and S4, pressing. According to the dry sowing, pressing and sowing yield increasing method for the saline-alkali soil, all links including seed treatment, land consolidation, sowing, pressing and the like are finely designed and optimally combined, special soil conditions and crop growth requirements of the saline-alkali soil are fully considered, and the germination rate of seeds, the survival rate of seedlings and the yield of crops can be remarkably increased; an efficient and feasible technical scheme is provided for agricultural development and utilization of the saline-alkali soil, and the method has wide application prospects and popularization value.

The invention provides a corn and soybean strip-shaped composite planting method, relates to the technical field of crop cultivation, and aims to improve the land utilization rate and the crop yield. The method comprises the steps of selecting a suitable field, screening seeds, adopting a specific strip-shaped planting mode, accurately sowing depth and time, thinning and final singling seedlings, and managing moisture and fertilization. Specifically, a mode of three rows of corns and two rows of soybeans is adopted, and the row spacing and the seeding depth of the corns and the soybeans are determined according to crop characteristics. Before sowing, seeds are treated by an imidacloprid-thiamethoxam composite seed coating agent, so that the insect resistance is improved. Fertilization is divided into three stages of base fertilizer, topdressing and foliar fertilizer, and crop nutrition balance is ensured. Compared with a traditional planting mode, the yield and quality of the corn and the soybeans can be remarkably improved, good agricultural economic benefits and ecological benefits are achieved, and a new technical path is provided for sustainable development of modern agriculture.

The invention discloses a Coelastrus sp.B2 algal strain, which can obviously improve the soil quality, increase the soil nutrient content, enhance the microbial activity and promote the nutrient conversion and utilization. The algal strain also can synthesize a metabolite with plant growth regulation and stress resistance enhancement functions, so that the salt resistance of plants is improved. Meanwhile, insecticidal active metabolites are generated, and natural insect-resistant protection is provided for plants. Besides, the Coelastra sp.B2 increases the abundance of various beneficial microorganisms in the soil, and the microorganisms play an important role in promoting plant growth, enhancing stress resistance, promoting nitrogen absorption, enhancing heavy metal pollution tolerance, participating in pesticide stress response, inhibiting pathogenic bacteria and the like, so that the soil environment is improved, and the healthy growth of plants is promoted.

The present invention discloses a naphthalimide guanidine derivative, a preparation method thereof and an application thereof. The structural formula of the naphthalimide acyl guanidine compound is shown as formula (I), denoted as CAUZL-C; in formula (I), R is halogen, hydrogen, piperidyl or dimethylamino; n is 1, 2, 3 or 4. The naphthalimide guanidine derivative or a pharmaceutically acceptable salt thereof according to the present invention has good target enzyme inhibitory activity and insecticidal activity.

The invention discloses a preparation method of a lignosulfonate controlled-release drug-loaded capsule. The invention constructs a pH controlled release type lignin-based drug-loaded capsule around a three-stage delivery strategy of emulsion construction-electrostatic self-assembly-metal chelation. The preparation method specifically comprises the following steps: dissolving pesticide active ingredients and an emulsifier in an organic solvent to serve as an oil phase; dissolving lignosulfonate and a dispersing agent in water to serve as a water phase; mixing the oil phase and the water phase under stirring and homogenizing conditions to form O / W type emulsion; cationic monomers are added into the O / W type emulsion, a prototype of a shell layer is formed by means of electrostatic acting force, then the shell layer is cured by means of chelation of metal ions, and the lignosulfonate-based drug-loaded capsule loaded with pesticide is formed. The drug-loaded capsule prepared by the invention can shield ultraviolet light through the lignosulfonate metal complexing layer, has sensitive acid-base response performance, can realize the response controlled release process of encapsulated drugs, and effectively reduces the dosage of pesticides.

The invention discloses a nano hydrogel preparation for packaging small interfering RNA (Ribonucleic Acid) and a preparation method, and belongs to the technical field of nano pesticides. Gold nanoparticles and dendritic mesoporous silica nanoparticles are used as composite carriers to load small interfering RNA, then a pectin solution is used for packaging, and the nano hydrogel preparation is prepared, so that the adhesion of a medicament is greatly enhanced, and rapid permeation and targeted delivery of the medicament are realized.

The invention discloses a method for improving the quality of fresh and live aquatic products, which can effectively repair and condition fish bodies, reduce fat and shape and reduce the stress response of fish through a sectional type running water mode and treatment of a hydrogen-rich high-density circulating water culture system, improves the survival rate, improves the meat quality of the fish and reduces the content of fishy substances.

The present invention provides an aqueous suspension agrochemical composition showing a suppression of a crystal growth during storage and a bubble generation during dilution. The present invention provides also an aqueous suspension agrochemical composition comprising (a) Inpyrfluxam, (b) one or more agrochemically active ingredients having a melting point of 50 °C or high (excluding inpyrfluxam), (c) a lignin sulfonate, and (d) a polyoxyalkylene aryl phenyl ether phosphoric acid ester salt.

The invention relates to the technical field of agricultural planting, and discloses a selenium-rich high-calcium Chinese yam planting process which comprises the following steps: soil improvement: deeply ploughing planting soil, and applying an organic fertilizer, a selenium fertilizer and a calcium fertilizer to adjust the soil structure; chinese yam cultivation, wherein Chinese yam is planted in the improved soil, and accurate field planting is conducted according to preset plant spacing and row spacing; precise fertilization: performing selenium-rich and high-calcium precise fertilization on the Chinese yam in stages, and adjusting the selenium content and the calcium content according to crop growth requirements during fertilization; pest and disease damage is prevented and controlled through biopesticide, natural enemy insects and a physical capture technology. Through precise fertilization, intelligent management, green prevention and control and soil optimization, the content of selenium and calcium in the Chinese yam is remarkably increased, and the crop quality is improved; meanwhile, by means of the intelligent water and fertilizer irrigation and resource circulation technology, water and fertilizer waste and environmental pollution are reduced, the production cost is reduced, sustainable agricultural development is promoted, and agricultural benefits are improved.

The invention discloses a plant source leaf surface resistance and control agent for efficiently reducing the cadmium content of wheat and a preparation method thereof. According to the invention, S-allyl-L-cysteine is used as an important component of the foliar blocking and controlling agent, so that the bioavailability of cadmium ions is effectively reduced, and the absorption and transport of cadmium in plants are reduced, thereby reducing the cadmium content in wheat grains. Meanwhile, S-allyl-L-cysteine has relatively strong antioxidant capacity, so that free radicals in the plant body can be removed, and cells are protected from oxidative damage. As a plant growth regulator, S-allyl-L-cysteine can improve nutrient absorption and utilization of plants and promote photosynthesis and energy metabolism of the plants, so that the yield and quality of wheat are improved. The S-allyl-L-cysteine can activate a defense mechanism in a plant body, enhance the resistance of the plant to environmental stress, including the resistance to heavy metal pollution, and improve the overall health and yield of wheat.

The invention relates to an environment-friendly pesticide sustained-release agent, a preparation method and application of the environment-friendly pesticide sustained-release agent in agricultural pest and weed management, and aims to improve the pesticide use efficiency, prolong the action time and remarkably reduce the pollution to the environment at the same time. According to the invention, by selecting the pesticide with strong biological activity and low environmental toxicity as an effective component and using a biodegradable material as a slow-release carrier, slow and continuous release of the effective component of the pesticide is innovatively realized.

The invention provides a compound microbial agent capable of resisting diseases and insect pests and a preparation method thereof, and the compound microbial agent consists of the following substances in parts by mass: 50-100 parts of bacillus subtilis, 40-80 parts of beauveria bassiana, 35-75 parts of trichoderma harzianum, 20-50 parts of modified straw powder, 10-15 parts of a humic acid-diatomite complex, 10-15 parts of trehalose, 5-10 parts of chitin powder and 5-10 parts of shellac. According to the invention, the modified straw powder and the humic acid-diatomite complex are adopted as a core carrier, so that the defects of poor adsorbability and nutrition deficiency of the traditional diatomite or synthetic carrier are overcome, and a high-porosity and nutrient-rich living environment is provided for bacillus subtilis, beauveria bassiana and trichoderma harzianum; compared with the prior art, the method provided by the invention has the advantages that the cost is low, the field planting rate and the field survival rate of viable bacteria in the microbial inoculum are remarkably improved, meanwhile, controllable coating is performed by utilizing an ethanol solution of shellac, a refractory synthetic polymer coating material is replaced, thalli are protected from environmental stress, and meanwhile, the risk of lasting residual pollution of a chemical coating material in soil is avoided.

The invention provides a temperature response type cycloxaprid controlled release system and a preparation method thereof, and belongs to the technical field of alkali insecticides. The temperature response type cycloxaprid controlled release system provided by the invention comprises a poly (N-isopropylacrylamide) temperature-sensitive hydrogel and a polyurethane-cycloxaprid oil-in-water microcapsule, wherein the poly (N-isopropylacrylamide) hydrogel and the polyurethane-cycloxaprid oil-in-water microcapsule form a semi-interpenetrating network structure. According to the invention, polyurethane and poly (N-isopropylacrylamide) temperature-sensitive (PNIPAAm) hydrogel are utilized to form a semi-interpenetrating network structure, so that the low critical transition temperature of a controlled release system is reduced, and the controlled release system has good thermal stability and temperature-sensitive characteristics. According to data of an embodiment, the temperature response type cycloxaprid controlled release system obtained by the invention has good drug release performance and good stability in an environment of 20-31 DEG C.

The invention relates to a plant-based insect-repellent anti-freezing agent and a preparation method thereof. The plant-based insect-repellent anti-freezing agent is prepared from the following components: pyroligneous liquor, organic silicon, amino acid calcium, amino acid zinc, boric acid and sodium humate. According to the invention, the wood vinegar is prepared by adopting frigid broad-leaved woods, especially oak wood, as raw materials through dry distillation and extraction, so that the wood vinegar has anti-freezing components, and meanwhile, trace elements such as silicon, calcium, boron and zinc are added, so that the cell thickness can be increased, the toughness of cell walls can be enhanced, the anti-freezing capability of plants can be improved, and various trace elements are added; the preparation has the functions of sterilization, insect repelling, insect control and disease resistance, especially contains phenolic substances, has a special cigarette smell and is used for repelling snails and other soft insects; beneficial microorganism activity of water and soil is improved, and crop growth is promoted; the yield and quality of crops are improved; the fertilizer can be mixed with pesticides and chemical fertilizers for use, the efficacy of the pesticides and the chemical fertilizers can be improved, and pesticide residues are degraded; the insect-repelling and anti-freezing effects of various crops are effectively improved, the cold resistance is enhanced, and the crops are prevented from being frozen to reduce the yield.

The invention relates to the technical field of pesticide preparations, and provides a pyriproxyfen-containing nano-emulsion and a preparation method thereof, and the pyriproxyfen-containing nano-emulsion comprises pyriproxyfen, an emulsifier, a thickener, water and an organic solvent. According to the pyriproxyfen-containing nano-emulsion provided by the invention, the nonionic emulsifier with a relatively high HLB (Hydrophile-Lipophile Balance) value and the lipophilic emulsifier with a relatively low HLB value are compounded, so that a mixed adsorption layer can be formed on an oil-water interface, the interfacial tension is effectively reduced, and an oil phase and a water phase are more easily mixed to form the stable nano-emulsion; the strength of an interfacial film of emulsion drops in the nano-emulsion can be improved, so that the external factor resistance of the nano-emulsion is improved, the phenomena of layering, demulsification and the like of the nano-emulsion in the storage process are not easy to occur, and the long-term stability of the emulsion is improved; besides, release and absorption of pyriproxyfen in the nano-emulsion can be optimized, so that the nano-emulsion shows a relatively high diffusion rate, and a relatively good insecticidal effect is more easily exerted.

The present invention provides a compound of general formula (I-V), which is used for preparing a heptafluoroisopropyl-containing bisamide compound. The heptafluoroisopropyl bisamide compound has excellent insecticidal activity as verified by experiments, especially has excellent high insecticidal activity against resistant populations, has no cross-resistance with the existing insecticide chlorantraniliprole, has good insecticidal effect at low doses and good rapidity; in addition, the preparation method of the heptafluoroisopropyl bisamide compound is simple, efficient and easy to industrialize, and has broad application prospects in the prevention and control of insect pests in the fields of agriculture, forestry and horticulture.

The invention provides a preparation method of an illite smectite mixed-layer clay-based chlorantraniliprole nano suspending agent, and aims to solve the problems of poor water dispersibility, large particle size and the like of the existing chlorantraniliprole water suspending agent. The preparation method comprises the following steps: stripping illite smectite mixed-layer clay by adopting a high-pressure homogenization technology to obtain high-dispersion slurry; and then adding a high-efficiency modifier and a dispersant, and preparing the chlorantraniliprole nano suspending agent with high suspension property and thermal stability by adopting a water-based nano ball milling process. According to the chlorantraniliprole suspending agent and the preparation method thereof, the high-dispersion illite smectite mixed-layer clay subjected to lamella stripping is used as a carrier of the chlorantraniliprole suspending agent, a formed three-dimensional network structure can improve the suspension stability of chlorantraniliprole, and meanwhile, nanosheets can assist a dispersing agent in further preventing agglomeration of chlorantraniliprole molecules, so that the suspending agent reaches nanoscale dispersion. The preparation technology is simple and efficient, raw materials are easy to obtain and environmentally friendly, and the method is suitable for large-scale industrial production.

The present invention relates to novel active compound combinations comprising the compound of the formula (I) and at least one further active compound which combinations are highly suitable for controlling animal and microbial pests.

A washing method to eradicate a pest on a textile article, in a washing machine, characterized in that said washing method comprises a prewash cycle, a main wash cycle and at least three rinses cycles, and a drain step between each cycle.

This invention provides a method for storing mango seeds, belonging to the field of seed preservation technology. The method involves cutting off mango fruits with embryos, along with their pedicels and branches, 77-84 days after fruit set. A mixture of pyraclostrobin, lambda-cyhalothrin, and chlorothalonil is sprayed on the fruit, pedicels, and branches. After drying, styrene-butadiene latex is applied to the pedicels and branches. Once the latex dries, a mixture of guanidine-copper acetate and benzoyl-pyraclostrobin is sprayed on the fruit, pedicels, and branches again. After drying, the mango fruits with petioles and branches are placed in a sealed box and stored at 10-14°C. The mango variety used is the Golden Phoenix mango. This invention increases the storage period of Golden Phoenix mango seeds from 1.5 months to 5 months, which is of great significance for the genomics and cell biology research of Golden Phoenix mangoes.

The invention discloses a phagostimulant capable of improving the prevention and control effect of cotton flower thrips and application of the phagostimulant. The phagostimulant is prepared from the following components in parts by weight: 10 to 30 parts of p-methoxycinnamyl aldehyde, 5 to 40 parts of anisaldehyde, 40 to 70 parts of ethyl nicotinate and 10 parts of a cosolvent. The phagostimulant is prepared from the following components in parts by weight: 10 to 30 parts of p-methoxycinnamyl aldehyde, 5 to 40 parts of anisaldehyde, 40 to 70 parts of ethyl nicotinate and 10 parts of cosolvent. By utilizing the tropism of the cotton flower thrips to specific volatile compounds and through the synergistic effect of the three plant source compounds, pests hidden in stamens, petal wrinkles, leaf backs and other hidden parts are attracted to a pesticide application area, the contact area of insect bodies and the pesticide is remarkably increased, and therefore the prevention and control effect is improved. Field tests show that when an optimal formula (the ratio of p-methoxycinnamaldehyde to anisaldehyde to ethyl nicotinate to the cosolvent is 20: 20: 50: 10) is matched with spinetoram for use, the control effect can reach 84.43%-92.22%, the control effect is remarkably improved compared with that of single use of an insecticide, and a good control effect is shown. The method is safe and environment-friendly, reduces the amount and increases the efficiency, and has remarkable economic and ecological benefits.

The invention discloses an agricultural compound insecticide and a preparation method thereof, and belongs to the technical field of pesticide production.The agricultural compound insecticide is prepared from, by mass, 1.8%-2.5% of permethrin, 5.0%-6.5% of flonicamid, 2.2%-3.0% of PVP / VAc-g-C18 copolymer, 2.0%-3.0% of sodium lauroyl sarcosinate, 0.18%-0.22% of xanthan gum, 6.0%-8.0% of glycerol and the balance deionized water. Through the coupling of molecular design (PVP / VAc-g-C18 copolymer) and process innovation (step cooling), the two technical bottlenecks of low-temperature precipitation and low permeability are simultaneously overcome in the compound insecticide for the first time, and a new solution is provided for agricultural production.

The invention discloses a synergistic compounding sanitary insecticide composition and its application, the total active ingredient content is 2%-70%, and the remainder is an adjuvant; the active ingredient is composed of active ingredient A and active ingredient B, active ingredient A is a piperic acid derivative compound, and active ingredient B is propoxur; the weight ratio of the weight ratio of active ingredients A and B is 15:1-1:15; the dosage form of the sanitary insecticide composition is a suspension, an oil suspension, a suspoemulsion, a microcapsule suspension-suspension, a dry suspension, a wettable powder and a water dispersible granule. The sanitary insecticide composition in the present invention has good environmental compatibility on the one hand, reduces the amount of pesticide used, and on the other hand, from the perspective of the mechanism of action, the mechanism of action of active ingredients A and B is different, there is no cross-resistance, and the prevention effect is improved, and the compounding of insecticides with different mechanisms of action of the two can also delay pest resistance, which is conducive to the resistance management of pests.

The invention discloses a tea yellow liquid as well as a preparation method and application thereof, and belongs to the field of agricultural additives. The preparation process of the tea yellow liquid comprises the following steps: drying and crushing raw materials, adding water for dissolving out, centrifuging to obtain a mixed fine suspension, finally adding an enzyme inhibitor, and carrying out secondary sanding and dilution to obtain the tea yellow liquid. The tea yellow liquid is prepared from, by mass, 7-99.5% of tea saponin liquid, 0.5-93% of coptis chinensis liquid and the balance water, tea saponin active ingredients contained in the tea saponin liquid can remarkably reduce the surface tension of pesticide liquid, the tea saponin active ingredients cooperate with macromolecular substances such as polysaccharide in the coptis chinensis liquid to form a biomass affinity film, the spreadability and adsorbability of the pesticide liquid are greatly improved, and the pesticide effect is improved. Therefore, the content of the pesticide liquid in unit area is increased, the application amount of the pesticide is greatly reduced, and pesticide residues caused by excessive application are reduced.

This invention belongs to the field of biological agents for aquaculture, and discloses a compound biological pond-cleaning agent containing tea saponin and its preparation method. The compound biological pond-cleaning agent of this invention comprises the following components by weight: 3-10 parts tea saponin, 60-70 parts roe beetle root powder, 10-20 parts Buddleja officinalis, 5-10 parts compound microbial powder, 3-8 parts adjuvants, and 10-20 parts carrier; the adjuvant is a mixture of sodium lignin sulfonate and sodium dodecylbenzene sulfonate; the compound microbial powder is a mixture of Bacillus subtilis and photosynthetic bacteria; and the carrier is diatomaceous earth. This invention combines three natural active ingredients—tea saponin, roe beetle root powder, and Buddleja officinalis—with suitable adjuvants and a carrier, which can expand the pond-cleaning range and has good killing or inhibitory effects on harmful organisms such as wild fish, shrimp, crabs, and snails, as well as various pathogens. The pond-cleaning is thorough, and the raw materials are easily degradable, leaving no residue. It is environmentally friendly and has a long-lasting effect, which is of great significance for promoting the green and sustainable development of aquaculture.

An energized assembly to enhance efficacy of a treatment agent in a local environment. The assembly includes an emanator or holder element to hold treatment agent, and a flameless energizing source to energize the treatment agent and thereby, place the treatment agent into an enhanced operational state. Preferred embodiments operate for a period of time of between about 4 and 8 hours, and can then be discarded. Typically, a housing associates the treatment agent and the energizing source. Embodiments may sometimes include one or more of: a gas-tight boundary element, a thermal transfer element, a trigger mechanism, a safety mechanism, a termination mechanism, a time-delay mechanism, solidized treatment agent to avoid spills, and a sequestering arrangement to avoid premature combination of reactants.