270results about "Arthropodicides" patented technology

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 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.

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 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.

The present invention describes capsule compositions consisting of crosslinked chitosan, beta-glucan or alginate, and encapsulates an environmentally compatible ingestible larvicide, especially larvicidal agents such as essential oils or other ingestible larvicides such as Bacillus thuringiensis which are lethal to the larvae of pest insects, especially mosquito larvae.

The application discloses a ZIF drug-loaded nanomaterial, a preparation method and application thereof, and relates to the technical field of pesticide chemistry. A phenolic acid regulator is used for functional modification in the preparation process of ZIF-8 to form a hierarchical porous structure, which is beneficial to improving the drug loading performance of ZIF-8, effectively controlling the release of a pesticide after loading the pesticide, prolonging the persistence of the pesticide, improving the utilization rate of the pesticide, and reducing the amount of the pesticide.

The present invention relates to a method for controlling pests of a modified plant, in particular a soybean plant, comprising the step of contacting the plant, a part thereof, a propagation material thereof, a pest, a food supply, a habitat or a breeding ground thereof with one or more compounds of formula I, wherein the variables are defined as described in the specification.

The invention relates to the technical field of pesticides, and particularly discloses a dispersible oil suspending agent containing pyriproxyfen and dinotefuran and a preparation method of the dispersible oil suspending agent. Through the synergistic effect of the dispersing agent, the emulsifying agent and the dispersing medium, the oil suspending agent is not prone to flocculation and sedimentation of pesticide particles when stored under the high-temperature condition, the particle size of the pesticide particles changes little in the storage process, and therefore the dinotefuran and the pyriproxyfen can be evenly dispersed into liquid medicine in the actual use process, and the oil suspending agent has the advantages that the oil suspending agent is environmentally friendly; and uniform pesticide application is realized in a spraying area range, so that full prevention and control of diseases and pests are facilitated.

To provide a compound that expands the spectrum of pesticides.SOLUTION: Provided is a compound represented by formula (b*): (in the formula, E is hydrogen or a C1-C6 alkyl group; A is -CN, chlorine, or fluorine; and L is S, SO, or SO2).SELECTED DRAWING: None

The present application relates to a kind of pesticide composition and its application.The present application contains the insecticidal fungicidal composition of compound I can improve the prevention effect, reduce the amount of drug, while solving the resistance generation, drug efficacy decline and other problems that may be caused by long-term use of insecticide, acaricide single agent, to meet the needs of agricultural pest control.

The invention relates to a combined mouse and insect killing composition, a combined mouse and insect killing bait and a combined mouse and insect killing method for simultaneously inhibiting reproduction of field mice and killing ectoparasites of the field mice. The combined mouse and insect killing composition comprises ivermectin and atrazine, the weight ratio of the ivermectin to the atrazine is (1-9): (9-90). The mouse and insect combined killing bait comprises the mouse and insect combined killing composition and basic bait. The combined mouse and insect killing method comprises the step of applying the combined mouse and insect killing composition or the combined mouse and insect killing bait to wild mice. The mouse and insect combined killing composition and bait can control the population density of mice by inhibiting the reproductive system function of the mice in the field on the premise of not directly killing the mice, and meanwhile effectively kill parasites such as fleas, ticks and the like on the body surfaces of the mice, and block a disease transmission chain. Therefore, the combined mouse and insect killing composition and the bait have the combined control effects of inhibiting reproduction of field mice and killing ectoparasites of the field mice.

The present invention relates to novel heteroaryl-substituted pyrazine derivatives of the general formula (I), wherein the structural element R 1 、R 2 、R 3 、R 4 、R 5 and R 6 have the meaning given in the description and relate to preparations and compositions comprising such compounds, as well as their use in plant protection for controlling animal pests including arthropods and insects and their use for controlling ectoparasites on animals. #imgabs0#

The invention provides a crystal form I of chlorantraniliprole, a preparation method of the crystal form I, a pharmaceutical preparation and a pesticide composition, and the crystal form I of chlorantraniliprole is an N, N-dimethylacetamide solvate of chlorantraniliprole. According to the chlorantraniliprole crystal form I, the biological activity of chlorantraniliprole is improved, the problem of drug resistance of pests to chlorantraniliprole is effectively solved, and the use amount of chlorantraniliprole is reduced.

The present invention relates to a slow-release formulation. It relates also to the use of said repellent formulation, to a method of use thereof, and to a composition comprising said formulation. It further relates to PMD glucovanillin conjugate compound of formula (II), a process for preparing the compound of formula (II), and further to the use of the compound of formula (II) for the controlled release of PMD. It refers also to a process for isolating racemic cis / trans-PMD from an extract containing PMD.

The invention relates to a preparation method and application of a pyrazole amide compound containing a chloropyridine methoxy aryl structure. The pyrazolic acid derivative is obtained by condensing chloropyridine methoxy aryl methylamine and pyrazolic acid. The pyrazole amide compound containing the chloropyridine methoxy aryl structure has a good insecticidal effect on harmful insects, and can be used for preparing insecticides in the fields of agriculture, horticulture and the like.

The invention provides a spirotetramat polyurethane / polyurea microcapsule suspending agent as well as a preparation method and application thereof, and belongs to the technical field of pesticide preparations. The preparation method comprises the following steps: mixing an oil-phase solution containing spirotetramat raw medicine and polyisocyanate with a water-phase solution containing an emulsifier and a dispersant, carrying out shear emulsification, adding a water-soluble wall material monomer water solution containing polyamine and / or polyol, and carrying out an interfacial polymerization reaction; after the polymerization is finished, sequentially carrying out curing treatment and cooling, then adding an auxiliary agent, and blending to obtain the spirotetramat polyurethane / polyurea microcapsule suspending agent. The spirotetramat microcapsule suspending agent is prepared through an interfacial polymerization method, spirotetramat is coated in a polyurethane or polyurea capsule wall, and the spirotetramat microcapsule suspending agent has the advantages of being high in encapsulation efficiency, good in physical and chemical stability, long in pesticide effect lasting period, safer to non-target organisms (such as bees) and the environment and the like. The preparation method is stable in process, easy for industrial production and excellent in product performance.

The application discloses a Coelastrella sp. B2 strain, which can obviously improve soil quality, increase soil nutrient content, enhance microbial activity, and promote nutrient transformation and utilization. The strain can also synthesize metabolites with plant growth regulation and stress resistance enhancement functions, improve plant salt tolerance, and produce insecticidal metabolites to provide natural insect resistance protection for plants. In addition, the Coelastrella sp. B2 increases the abundance of various beneficial microorganisms in the soil, which play an important role in promoting plant growth, enhancing stress resistance, promoting nitrogen absorption, enhancing heavy metal pollution tolerance, participating in pesticide stress response, and inhibiting pathogenic bacteria, thereby improving the soil environment and promoting the healthy growth of plants.

The invention relates to the technical field of vegetable disease and pest control, and discloses a green vegetable disease and pest control method based on a microbial preparation, which comprises the following steps: selecting an application mode according to a target disease and pest type and a vegetable growth stage; a microbial preparation working solution or a mixture is prepared, the microbial preparation contains beneficial microorganisms, and the beneficial microorganisms comprise one or more of bacillus subtilis, trichoderma, paecilomyces lilacinus, metarhizium anisopliae or beauveria bassiana. According to the green prevention and control method for vegetable diseases and insect pests based on the microbial preparation, the adopted microbial preparation mainly comprises beneficial microorganisms such as bacillus subtilis, trichoderma and paecilomyces lilacinus and natural metabolites of the beneficial microorganisms and does not contain any chemical synthetic pesticide, and no toxic and harmful substance residues exist after the method is used; the pollution of traditional chemical pesticides to soil, water sources and air is fundamentally avoided, the farmland ecological environment is effectively protected, and the pesticide is safe to non-target organisms such as pollination insects and soil beneficial organisms.

The present application relates to the use of structural polypeptides such as silk-derived polypeptides (preferably spider web-derived polypeptides) for coating seeds, plants or plant parts, preferably for protection from pests. The present application further relates to methods for coating plants or plant seeds and to plants or plant seeds coated with structural polypeptides.

The application provides a repellent and contact-killing tick composition and a preparation method and application thereof. The repellent and contact-killing tick composition comprises plant essential oil and DEET; the repellent and contact-killing tick composition comprises a plant essential oil component; the plant essential oil and DEET are mixed to have a good synergistic effect; on the basis of the repellent effect of DEET, the contact-killing effect is increased. The repellent and contact-killing tick composition has a long repellent time, good safety, and reduced toxicity of DEET. The application screens plant essential oil with effective repellent and contact-killing effects, mixes the plant essential oil with DEET, reduces the DEET content in the repellent and contact-killing tick composition, reduces the toxic effect of DEET while having the same repellent effect, and increases the contact-killing effect of ticks. The repellent and contact-killing tick composition has a long repellent time and good contact-killing effect, can replace existing organic insect repellents and insecticides, and solves the problem of tick drug resistance.

The invention relates to a seed treatment suspending agent, a synergistic composition for the seed treatment suspending agent and a preparation method of the synergistic composition, and the synergistic composition comprises the following components based on 100% of the total mass of the synergistic composition: 1-3% of phytosterol; 20%-40% of glycerol; 10%-25% of an auxiliary agent; 15%-25% of a surfactant; and the balance of water. The auxiliaries comprise modified vegetable oil and an antioxidant, and the mass ratio of the modified vegetable oil to the antioxidant is (3-15): 1. According to the synergistic composition disclosed by the invention, the phytosterol, the glycerol and the auxiliary agent are cooperated to respectively play roles in three aspects of physiological initiation, cell protection and environment maintenance, so that the germination rate and the germination potential of seeds can be improved, rapid and tidy germination can be promoted, and the stress resistance of crops can also be enhanced. Moreover, the synergistic composition has good compatibility with a seed treatment suspending agent system, can effectively cooperate with the seed treatment suspending agent system at a low dosage, improves the germination rate and germination potential of the seeds, and ensures the growth safety in the seedling stage.

The application discloses a pesticide suspension agent containing a composite dispersant and a preparation method thereof, and comprises an active component, a composite dispersant, a thickening agent, a preservative, an antifoaming agent and water; the composite dispersant is prepared by uniformly mixing modified acrylic polymers and modified lignin; the mass ratio of the modified acrylic polymers to the modified lignin is 3-4:1; the modified acrylic polymers have the structure shown in the following formula A, wherein a:b:c:d=(3-5):(1-2):(10-15):(10-15). The pesticide suspension agent containing the composite dispersant has excellent dispersibility, high suspension rate and high pesticide adhesion rate.