356results about "Arthropodicides" patented technology

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 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 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 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 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 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.

The present invention relates to a solution for controlling ectoparasites in fish by means of dipping tanks that comprises the combination of Pyrethrum extract and a saponin, and / or at least one additional natural extract. The present invention further relates to related uses, methods and procedures.

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 invention relates to the technical field of agricultural pest control, in particular to spodoptera frugiperda chitinase 2 gene dsRNA and preparation and application of a nano preparation of the spodoptera frugiperda chitinase 2 gene dsRNA. The invention provides the dsRNA molecule capable of efficiently preventing and treating the spodoptera frugiperda by utilizing an RNAi technology, the dsRNA molecule has high specificity and high gene silencing efficiency on a target gene, the insecticide prepared from the dsRNA molecule can cause the spodoptera frugiperda to die due to abnormal ecdysis or abnormal pupation, and the dsRNA molecule has a relatively high fatality rate on the spodoptera frugiperda, is quick in insecticidal effect and simple and convenient to operate, and can be used for preparing a pesticide for preventing and treating the spodoptera frugiperda. The composition can effectively prevent and treat spodoptera frugiperda, solves the environmental and health problems caused by traditional chemical insecticides, and has a wide market application prospect.

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 the field of agricultural insecticides, in particular to a liquid insecticide containing emamectin benzoate and application. The emamectin benzoate-containing liquid insecticide comprises an emamectin benzoate-containing insecticidal active component, an auxiliary agent and a solvent, wherein the auxiliary agent in the liquid insecticide contains a stabilizer; wherein the stabilizer accounts for 0.1-20% of the weight of the liquid insecticide. The problems that the decomposition rate of an emamectin benzoate missible oil mixture is unqualified after heat storage and emulsion is demulsified under the condition of flight prevention medication are solved, waste of pesticide in the diluting and spraying process is avoided, the utilization rate of the pesticide is increased, and meanwhile normal exertion of the pesticide effect of the pesticide is guaranteed.

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.