245results about "Molluscicides" patented technology

The invention provides application of pulegone in pest prevention and control, and relates to the technical field of pest prevention and control. The pulegone can effectively kill adults of the ampullarian snails under the condition of high concentration, can inhibit spawning of the ampullarian snails and reduce the hatching rate of eggs laid by the ampullarian snails under the condition of low concentration, and can effectively inhibit hatching of the eggs and reduce the hatching rate by spraying egg masses of the ampullarian snails under the condition of low concentration. The plant source component pulegone is adopted to kill the ampullaria gigas, reproduction and breeding of the ampullaria gigas can be effectively destroyed at the same time, prevention and control of the ampullaria gigas are further achieved, and on the basis, pulegone can kill harmful snails such as snails.

The present disclosure relates to the field of molecules having pesticidal utility on pests in Phyla Arthropoda, Mollusca and Nematoda, methods of producing such molecules, pesticidal compositions containing such molecules, and methods of using such pesticidal compositions against such pests. These pesticidal compositions can be used, for example, as acaricides, insecticides, acaricides, molluscicides, and nematicides. This document discloses molecules having the formula and mixtures thereof. # imgabs0 #

The invention discloses an antifouling agent, a micro-nano mesoporous material and a marine antifouling composition. A preparation method of the micro-nano mesoporous material comprises the following steps: S1, sequentially carrying out hydrothermal acid etching, cleaning, roasting and cooling on a micro-nano mesoporous material matrix for later use; s2, dissolving a DCOIT-like derivative and halogenated fatty alcohol in a solvent, heating and refluxing, dropwise adding a mixed solution of diisocyanate and a catalyst, and continuously carrying out heat preservation reaction; and S3, grinding and bulking the micro-nano mesoporous material modified matrix prepared in the step S1 to fully release agglomerated fiber bundles, ultrasonically dispersing the fiber bundles in a solvent, adding the dispersed fiber bundles into a system in the step S2, carrying out a heating reaction, purifying, drying, grinding, and storing. Activated silicon hydroxyl enriched in a micro-nano mesoporous material modified matrix is covalently linked with degradable terminal isocyanate (R-NCO) in quaternized DCOIT derivatives, and the method has the properties of high efficiency, broad spectrum, low toxicity and long-acting effect.

The invention discloses a USP gene related to the drought tolerance of pomacea canaliculata, an encoded protein and application of the USP gene, and belongs to the technical field of biology. The nucleotide sequence of the USP gene is as shown in SEQ ID NO: 1; the USP gene can be used as a target for pesticide screening and biological control of ampullaria gigas. The invention further provides dsRNA of the USP gene, and the dsRNA can reduce the survival rate of ampullaria gigas and the hatching rate of ampullaria gigas eggs. The method is rapid, effective and high in repeatability, and is an important supplement to the USP gene family. The drought tolerance of the ampullaria gigas is reduced by blocking the expression of the USP gene in the ampullaria gigas, so that the purposes of controlling overwintering of the ampullaria gigas in soil in winter and reducing propagation and diffusion of the ampullaria gigas are achieved. The application disclosed by the invention has important significance on research and determination of biology, ecology and novel insecticides of the ampullaria gigas and research on a resistance mechanism of the ampullaria gigas on drought tolerance.

The present disclosure relates to the field of molecules having pesticidal utility on pests in Phyla Arthropoda, Mollusca and Nematoda, methods of producing such molecules, intermediates used in such methods, and methods of using such pesticidal compositions against such pests. These pesticidal compositions can be used, for example, as acaricides, insecticides, acaricides, molluscicides, and nematicides.

Compounds of formula I (Formula I),where the substituents R1 through R5 are defined herein, and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of the compounds of Formula (I). In addition, methods and uses of compounds of Formula I as, for example, insecticides. Compositions having compounds of Formula (I) and their uses in controlling insects, particularly in crops of useful plants. Methods and intermediates related to the synthesis of compounds of Formula (I).

The invention discloses a slow-release temperature-controlled antifouling agent microsphere and a preparation method and application thereof, the method comprises the following steps: (1) mixing sodium alginate, copper pyrithione and a CaCl2 solution for reaction, freeze-drying, grinding and crushing to prepare intermediate product particles; and (2) mixing the intermediate product particles in the step (1) with a chitosan solution for reaction, then adding a glutaraldehyde solution for continuous reaction, and freeze-drying to obtain the antifouling agent microspheres. The sodium alginate and chitosan double-crosslinking preparation method adopted by the invention is novel, a double-layer drug-loading structure is constructed by virtue of the crosslinking effect of sodium alginate and calcium ions and the electrostatic interaction between anions and cations of sodium alginate and chitosan, and the thought is novel.

The invention relates to preparation and application of a novel trifluoroalkyl sulfur-containing phenyl heterocyclic ring derivative. Specifically, the invention relates to a compound as shown in formula (I) containing a trifluoroalkyl thiophenyl heterocyclic derivative, an isotope labeled compound of the compound, an optical isomer, a geometric isomer, a tautomer or an isomer mixture of the compound, or a pharmaceutically acceptable salt of the compound, and application of the compound in preparation of insecticides for pest control. The compound can achieve a better pest control effect at a lower dosage, especially for pests and pest mites such as tetranychus cinnabarinus, tetranychus urticae and panonychus citri.

The invention relates to the technical field of pomacea canaliculata trapping, killing and preventing, in particular to an efficient pomacea canaliculata trapping and killing method which comprises the following steps: pre-treating drug particles, specifically preparing drug particles for storing trapping and killing drugs, thickening duckweed dry powder, specifically, coating the drug particles with a duckweed dry powder coating with the thickness of 1mm to obtain inner sphere particles, the mikania micrantha ethanol dry powder thickening treatment means that the mikania micrantha ethanol dry powder tightly and uniformly covers the surface of the duckweed dry powder coating by adopting a spraying process on the outer layer of the inner sphere particles. According to the method, the pomacea canaliculata is actively induced to gather and feed by utilizing the rape straw pith core, and aquatic / terrestrial plant wastes are converted into a biological carrier with gradient inducing-poisoning functions; natural toxic components of mikania micrantha are used for replacing traditional chemical pesticides; the straw pith core is used as a universal skeleton, the duckweed dry powder plays the functions of ecological attraction and nutrition supplement, the mikania micrantha ethanol dry powder provides efficient poisoning ability, and the method is especially suitable for green prevention and control of ampullaria gigas in rice cropping areas of the Yangtze River basin.

The invention relates to the technical field of biological control, and discloses a pomacea canaliculata biological attractant and a preparation method and application thereof, and the pomacea canaliculata biological attractant comprises 100 parts of croton fruit powder, 100 parts of attapulgite, 3 parts of an adhesive, 700 parts of a phagostimulant and 100 parts of an auxiliary material. According to the pomacea canaliculata biological attractant disclosed by the invention, the pomacea canaliculata is dead due to poisoning and malnutrition after being fed by combining the dual effects of plant poisoning of croton fruits and physiological killing of attapulgite.

This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, and processes of using such pesticidal compositions against such pests. The pesticidal compositions comprise (A) an oxathiazolidine derivative of formula one and (B) a mixing partner and may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides.

The present invention provides an isoxazoline-substituted benzamide compound and a stereoisomer and agriculturally or veterinarily acceptable salt thereof. The compound is as represented by formula (I). In the formula, X represents hydrogen, halogen, hydroxyl, alkoxy, or alkylthio; Y is hydrogen, halogen, alkyl, or haloalkyl; Z is haloalkyl or haloalkoxy; M is CH or N; Q is hydrogen or halogen; R1 is hydrogen, halogen, hydroxyl, cyano, amino, nitro, formyl, cyanoalkyl, hydroxyalkyl, alkyl, etc.; and R2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, etc. The compound has an excellent control effect on pests such as Spodoptera frugiperda, Myzus persicae, Nilaparvata lugens, Tetranychus truncates, and Bradysia odoriphaga.

The invention belongs to the technical field of pest control, and discloses application of a nitrogen-containing heterocyclic compound in control of ampullaria gigas. According to the invention, a nitrogen-containing heterocyclic compound with the activity of killing ampullaria gigas is screened by taking ampullaria gigas arginine kinase as an action target, and the nitrogen-containing heterocyclic compound is N-[4-(3, 5-diphenyl-4, 5-dihydro-1H-pyrazole-1-yl) benzyl]-N-(1-hexyl-1H-benzimidazole-2-yl) amine. The nitrogen-containing heterocyclic compound is used as an active component to be prepared into a suspending agent or a granule, the suspending agent or the granule has an excellent killing effect on ampullaria gigas, and compared with an existing arginine kinase inhibitor quercetin, the nitrogen-containing heterocyclic compound is higher in activity, good in selectivity, low in toxicity to vertebrates and huge in application potential.

The invention discloses a mollusk attractant as well as a preparation method and application thereof in snail prevention and control, and belongs to the technical field of biopesticides, temperature-responsive microcrystalline cellulose particles are used as a main component of a coating premix, and an attractant base material containing active components, essence, amino acid, molasses and flour is coated, so that the mollusk attractant is obtained. The attractant has temperature responsiveness and can meet the field temperature of snails in spring and autumn high-incidence periods in agricultural production, the essence and the molasses are main components with an inducing function, snails can be better trapped, and the snails are not prone to loss due to the influence of the complex environment in a farmland; the temperature-responsive microcrystalline cellulose particles disclosed by the invention have amphipathy, the hydrophilicity can realize rapid spreading of the attractant in a farmland, and the hydrophobicity can realize that the attractant is not easily washed by water flow and rainwater in the farmland, so that the service life of the attractant is prolonged.

The present invention provides a compound which has excellent control efficacy against harmful arthropods and is represented by formula (I) wherein Q represents a group represented by formula Q1, etc., R2a and R2b are identical to or different from each other, and each represents a C1-C6 alkyl group optionally substituted with one or more halogen atoms, etc., and Het represents a group represented by formula Het1, etc., or an N-oxide thereof.

Provided is a compound represented by formula (I) [in the formula, Q represents a group or the like represented by formula Q1, R2a and R2b are the same or different from each other, and each represents a C1-C6 alkyl group or the like which may be substituted with one or more halogen atoms, and Het represents a group or the like represented by formula Het1], or an N oxide thereof, which has an excellent control effect on harmful arthropods. # imgabs0 #

Disclosed are compounds of formula (I), wherein the substituents are as defined in claim 1. Furthermore, the invention relates to agrochemical compositions comprising compounds of formula (I), the preparation of these compositions, and the use of the compounds or compositions 10 in agriculture or horticulture for combating, preventing or controlling animal pests, including arthropods and in particular insects, molluscs, nematodes or representatives of the order Acarina.

The application belongs to the technical field of pesticides, and particularly relates to a fused heterocyclic compound, a preparation method, an insecticidal composition and application thereof. The compound is shown in the general formula I: wherein X represents R1, R2, R3, R4, R5, R6, R7, R8, R9, R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 respectively independently represent hydrogen, halogen, alkyl, alkenyl and the like; the compound has excellent control effects on Spodoptera exigua, Mythimna separata, Helicoverpa armigera and the like.

The invention provides a high-strength plastic corrosion-resistant antifouling alloy and a preparation method and application thereof, the general formula of the high-strength plastic corrosion-resistant antifouling alloy is FeaCobCrcNidAleTafCug, 14 < = b < = 16, 18 < = c < = 22, 28 < = d < = 33, 4.5 < = e < = 6.5, 1.5 < = f < = 2.5, 4 < = g < = 10, and the balance of Fe and inevitable impurities, and b, c, d, e, f and g refer to molar percentages of corresponding elements. The high-strength plastic corrosion-resistant antifouling alloy disclosed by the invention has good antibacterial property and corrosion resistance while maintaining excellent mechanical properties, and has good application prospects and large-scale popularization potential in the fields of ocean engineering equipment, shipbuilding or key components of coastal power stations.

The present embodiments relate to a method for reducing or preventing attacks from marine woodborers on wood in marine environment by impregnating the wood with a composition comprising medetomidine, or an enantiomer, salt or base thereof.

Formula (I) JPEG2025520650000210.jpg52161(wherein the substituents are as defined in claim 1) The compounds of formula (I) and their agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides can be used as insecticides.

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.

The application discloses a kind of tetrameric acetaldehyde granules and preparation method thereof, which have both attractivity and waterproofness.The tetrameric acetaldehyde is mixed with fillers, filler attractants and binders after adding water, and then granulated.The prepared granules are coated with a coating agent containing polyethylene glycol monomethacrylate or sodium lignosulfonate, and then sprayed, coated and dried to obtain the tetrameric acetaldehyde granules with both attractivity and waterproofness.The test results show that the tetrameric acetaldehyde granules have strong attractivity to golden apple snails, and the tetrameric acetaldehyde in the granules will not be quickly precipitated into water after being contacted with water, so that the tetrameric acetaldehyde can be used for long-term to kill golden apple snails, which is conducive to the efficient prevention and control of golden apple snails.

In the production of crops in agriculture, horticulture, and the like, the occurrence of damage by pests and the like has been still a major issue, and therefore the development of new agricultural / horticultural pesticides has been demanded due to such as the emergence of pests resistant to existing chemicals.　It is discovered that a compound represented by general formula (1) {in the formula, X and Y each represent an oxygen atom or a sulfur atom, Z represents a hydroxyl group or the like, R1 represents an alkoxycarbonyl group or the like, R2 represents a substituted phenyl group or the like, R3 represents a hydrogen atom or the like, and R4 represents a substituted phenyl group or the like} or a salt thereof exhibits a high pesticidal effect on pests and the like in the field of agricultural / horticultural, and the present invention provides an agricultural / horticulturalpesticide using same as active ingredients, and a method for using same.

The invention relates to the field of pesticides, and discloses an isoxazoline compound containing a pyridine bisamide structure, application of the isoxazoline compound and a pesticide, and the isoxazoline compound has a structure as shown in a formula (J). The compound provided by the invention can realize good effects of killing insects, mites, nematodes and spiroworms at low concentration.

The compounds of formula (I) wherein the substituents are as defined in claim 1 and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of these compounds may be used as insecticides. [Formula 1] JPEG2026501744000117.jpg33161

The invention belongs to the technical field of pesticides, and particularly relates to Erythropalum scandens medicinal fertilizer granules. The invention relates to an erythropalum scandens pesticide fertilizer granule, which is prepared by mixing the following components in percentage by mass: 20 to 40 percent of fertilizer component and the balance of pesticide component, wherein the pesticide component is composed of 1-25% of an active component and the balance of an auxiliary component, and the active component is formed by compounding cyclosulfapyraniliprole and metaldehyde. The active components of the Erythropalum scandens medicinal fertilizer granules have a synergistic effect on snail prevention and control, can improve the prevention and control effect on snails in an Erythropalum scandens planting area, contributes to reduction of the dosage of medicaments, and provides support for green and healthy production of Erythropalum scandens; secondly, the erythropalum scandens medicinal fertilizer granules can provide nitrogen, phosphorus and potassium nutritional ingredients for growth of erythropalum scandens, and the growth of erythropalum scandens is promoted; in addition, the pesticide-fertilizer granules have an excellent prevention and treatment effect on snails in an erythropalum scandens planting area.

To provide a novel control and repellent agent for gastropods which employs a naturally derived component as an active ingredient, and also to provide a method for controlling and repelling gastropods using the control and repellent agent.SOLUTION: This invention has been completed on the basis of the finding that: a ginger extract has an effect of controlling and repelling gastropods.SELECTED DRAWING: Figure 1