65 results about "Spider mite" patented technology

The invention discloses a method for ecologically controlling pests in a citrus orchard, which comprises the following steps of: preparing mint, salvia officinalis and ageratum conyzoides in a ratio of 1: 1: 1 in the middle of the citrus orchard to form a strip-shaped or chessboard-shaped layout with the coverage area of 30-50%, and synergistically repelling the pests and attracting natural enemies by utilizing plant volatile matters; the method specifically comprises the steps that an intercropping belt is arranged at the position 1 m away from citrus trees, the belt width is 2 m, and the plant row spacing is 30 cm * 40 cm; citrus field planting is conducted, transplanting is conducted in spring of the next year, organic fertilizer and regular pruning and covering (three times every year, soil covering is conducted after smashing, and wood vinegar is added) are combined; mint releases menthol, salvia officinalis releases eucalyptol to expel parasites, ageratum conyzoides attracts predatory mites to control red spiders, and mineral oil and a yellow sticky card are supplemented for prevention and control; aiming at facility cultivation, LED supplementary lighting (red light: blue light: white light = 3: 1: 1) and fan diffusion volatile matters are additionally arranged. The use of chemical pesticides is reduced by 40% or above, the pest population density is reduced by 50%-70%, meanwhile, the diversity of soil organic matter and microorganisms is improved, and the method is suitable for open-air and greenhouse citrus orchards.

The present invention provides the use of 1-methoxyindole or its derivatives in repelling and / or killing pests, belonging to the field of pest control technology. The active ingredient provided by the present invention is 1-methoxyindole (1-MOI), which is found in Metarhizium robertsiense. When applied as a repellent, the concentration in a plane is 0.127 μg / cm 2 1-methoxyindole can repel a variety of ants, termites, and ticks, and the higher the 1-methoxyindole content, the stronger the repellent effect; when used as an insecticide, the concentration in the air is 0.14μg / cm 3 The 1-methoxyindole can kill a variety of ants, termites, ticks, thrips, mosquitoes, as well as whiteflies, brown planthoppers, spider mites and other pests, and the higher the concentration of 1-methoxyindole, the stronger the killing effect.

The invention discloses dsRNA / fused dsRNA and application of the dsRNA / fused dsRNA in prevention and treatment of spider mites, the dsRNA is dsRpt3, and the fused dsRNA is obtained by fusing dsRNA of a plurality of genes of the same gene family of targeted spider mites; the gene family is selected from a proteasome ATP enzyme family and an apolipoprotein family; the nucleotide sequence of one chain of the fused dsRNA is as shown in any one of SEQ ID NO.1-4. The invention also discloses a preparation method of the fused dsRNA. Compared with the existing dsRNA for preventing and treating a single variety of spider mites, the dsRNA / fused dsRNA can prevent and treat various spider mites at the same time, is expected to be applied to preparation of biopesticides for preventing and treating spider mites, reduces the use of chemical pesticides, protects the environment, and reduces the damage of the chemical pesticides.

The invention belongs to the technical field of gene engineering, and particularly relates to application of TuPK39 protein in stimulating plant defense reaction. The invention finds that the TuPK39 protein has a new application of stimulating plant defense reaction, and tests find that the TuPK39 protein can cause plant cell necrosis reaction, stimulate plant reactive oxygen bursting and stimulate expression of plant defense genes, and provides research basis and technical support for subsequent prevention and control research of pests including tetranychid mites.

The invention belongs to the technical field of tetranychus cinnabarinus prevention and control, and particularly relates to a cassava tetranychus cinnabarinus green prevention and control method based on immune induced resistance. The method is realized by spraying a methyl salicylate composite agent in the cassava planting process or when tetranychus cinnabarinus diseases occur. The active component of the pesticide is a synergistic compound combination of methyl salicylate and empedobacter brevis or afidopyropen. Through the synergistic effect of methyl salicylate and empedobacter brevis or afidopyropen, the control effect on cassava tetranychus cinnabarinus is remarkably improved. The methyl salicylate can simulate an induction mode of feeding of phytophagous pests, activate a defense system of the cassava and induce the cassava to generate persistent systematic resistance; empedobacter brevis or afidopyropen directly acts on the spider mites, and quick-acting killing is achieved. The invention provides an innovative solution for green prevention and control of cassava tetranychus cinnabarinus and has important significance for promoting sustainable development of cassava industry.

The application belongs to the technical field of medicine synthesis, and particularly relates to a steroid and 3,4 dihydropyrrole pyrazinone derivative and a synthesis method and application thereof. The derivative has a chemical structure as described in formula (I) or formula (II). The application first proposes a series of novel steroid and 3,4 dihydropyrrole pyrazinone derivatives. In addition, the application also proposes a synthesis method of the steroid and 3,4 dihydropyrrole pyrazinone derivative. The steroid and 3,4 dihydropyrrole pyrazinone derivative is obtained through a series of reactions based on dehydroepiandrosterone. The product prepared by the synthesis method has high yield and is easy to separate, and is the optimal method for preparing the steroid and 3,4 dihydropyrrole pyrazinone derivative. The steroid and 3,4 dihydropyrrole pyrazinone derivative provided by the application is confirmed by biological determination to have good toxic killing activity on aphids, spider mites and oriental armyworm insects, and can be applied to plant pest control.

The invention belongs to the technical field of plant protection and biological prevention and control, and particularly relates to a biological preparation for efficiently preventing and controlling red spiders. The biological agent for efficiently preventing and controlling red spiders, provided by the invention, is prepared from the following raw materials in parts by mass: 5 to 10 parts of lactic acid, 10 to 15 parts of ethanol, 8 to 15 parts of chitosan, 12 to 25 parts of marigold extract, 3 to 8 parts of clove extract, 1 to 3 parts of cationic surface active agent, 1 to 3 parts of VC and 30 to 60 parts of deionized water. The invention has a triple action mechanism of charge repulsion, biological inhibition and physical plugging, and can efficiently prevent and control red spider pests.

The invention discloses a bacillus alpinus for preventing and treating citrus red mites and application of the bacillus alpinus. The bacillus alpine strain h217 disclosed by the invention is preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 2025270. Through indoor toxicity tests and field control effect tests on citrus red mites, the bacillus alpinus h217 has high toxic activity on the citrus red mites, the field control effect on spider mites on citrus trees can reach 88% or above, the mite killing effect equivalent to the effect of cyflumetofen, cyenopyrafen, propargite and other chemical miticides can be obtained, and the bacillus alpinus h217 can be applied to the field control of the spider mites on citrus trees. The method has a wide application prospect in agricultural production.

The invention discloses fused dsRNA for preventing and treating pest mites and application of the fused dsRNA, and belongs to the technical field of agricultural biology. The fusion dsRNA is dsfusion 1 or dsfusion 2, and the fusion dsRNA is dsfusion 1 or dsfusion 2. The invention provides two kinds of artificially synthesized fused dsRNAs (dsfusion 1 and dsfusion 2) targeting pest mite ecdysis hormone signal genes ECR-HR3-HR4 and ECR-HR3-E74, and experiments prove that the two kinds of fused dsRNAs have good interference efficiency and can be used for death of pest mites by inhibiting ecdysis of the pest mites; various pest mites can be effectively prevented and treated, but natural enemy predatory mites are not influenced; and the LC50 value is low, so that the prevention and treatment potential at low concentration can be improved. Therefore, the invention provides a new method for preventing and treating pest mites, and the fused dsRNA has a wide application prospect.

The present invention belongs to the technical field of pesticidal acaricides, and discloses an acaricidal composition and its use. The acaricidal composition comprises active ingredient A and active ingredient B. The active ingredient A is nicofluprole, and the active ingredient B is any one of pyflubumide, flupentiofenox or isocycloseram. The mass ratio of the active ingredient A to the active ingredient B is 50:1 to 1:45. The acaricidal composition of the present invention has excellent control effects on spider mites and eriophyid mites, is harmless to natural enemies and beneficial mites, and is safe for target crops.

The application belongs to the technical field of medicine synthesis, and particularly relates to quinolinone derivatives, a synthesis method and application thereof. The quinolinone derivatives have a chemical structure as shown in formula (I). A series of novel quinolinone derivatives are first proposed in the application. In addition, the application further proposes a synthesis method of the quinolinone derivatives. The quinolinone derivatives are obtained through a series of reactions based on an indanone with different hydroxyl positions as a basic raw material. The product prepared by the synthesis method has high yield and is easy to separate, and the synthesis method is the optimal method for preparing the quinolinone derivatives. The application further provides a new use of the quinolinone derivatives. Biological tests prove that the quinolinone derivatives have good toxic killing activity on piercing-sucking insects such as aphids, armyworms, spider mites, rice planthoppers and whiteflies, and can be applied to plant pest control.

The invention discloses an endophyte for inhibiting corn spider mites. The invention provides bacillus velezensis which is bacillus velezensis 2025-BC248L1-1, and the preservation number of the bacillus velezensis 2025-BC248L1-1 is CGMCC (China General Microbiological Culture Collection Center) No. 33929. The invention also provides any one of the following applications of the bacillus velezensis or the culture thereof: A1) preventing plant diseases and insect pests; a2) treating plant diseases and insect pests; and A3) inhibiting phytopathogen. The endophyte with the activity of antagonizing the corn pathogenic bacteria is separated from corn leaves, the classification status of the endophyte is accurately determined by a molecular identification method, and the endophyte is identified as the bacillus. The endophyte is subjected to a biocontrol experiment of field endophyte liquid on spider mites, a new microbial resource is provided for biological control of corn diseases, and the endophyte is expected to be developed into a biological control preparation, so that the use of chemical pesticides can be reduced, and the environmental pollution is reduced.

The present invention provides an indoxacarb-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is indoxacarb, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially in prevention and control of chilo suppressalis. Experiments prove that the binary composition obtained by compounding flufenican amide and indoxacarb in a proper proportion has a remarkable synergistic effect, so that the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I)

This invention belongs to the field of pharmaceutical synthesis technology, specifically relating to indomethacin derivatives, their synthesis methods, and applications. The derivatives possess the chemical structures described in formulas (I), (II), and (III). This invention is the first to propose a series of novel indomethacin derivatives. Furthermore, this invention also proposes a synthesis method for indomethacin derivatives, using 5-hydroxy-1-indanone as a base material, to obtain the indomethacin derivatives of this invention through a series of reactions. This synthesis method yields high-yield products that are easily separated, making it the optimal method for preparing the indomethacin derivatives of this invention. Bioassays have confirmed that the indomethacin derivatives provided by this invention exhibit good toxic activity against aphids, spider mites, and armyworms, and can be applied to the control of plant pests.

The utility model relates to a biological assay device for arthropods, and discloses a device for carrying out biological assay on spider mites on living plant leaves, which comprises a base (1), a telescopic device (2) and a storage platform (3). A fixing hole (11) is formed in the base (1); the telescopic device (2) is connected with the base (1) through a bolt, the telescopic device (2) comprises an outer pipe (22) and an inner pipe (21), and the outer pipe (22) is provided with a fixing bolt used for fixing the relative position of the inner pipe (21); the storage platform (3) is fixedly connected with the upper part of the inner pipe (21); the utility model has the advantages that the leaf is not easy to damage, the system stability is good, the position of the culture dish is adjustable, the whole device is easy to move, the observation is easy, and the like, and can better complete the biological assay test of the tetranychid on the living plant leaf.

The present invention provides a chitin synthesis inhibitor compound-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is buprofezin, lufenuron, cyromazine, diafenthiuron, diflubenzuron, chlorbenzuron, hexaflumuron or chlorfluazuron, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially brown planthopper, beet armyworm or liriomyza sativae. The invention verifies that the binary composition of the inhibitor insecticide synthesized from the flufenutraniliprole and the chitin has a remarkable synergistic effect, effectively improves the control effect, reduces the dosage and expands the insecticidal spectrum. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I).

The invention provides application of a bactericidal composition to prevention and treatment of citrus resinosis, and particularly relates to the bactericidal composition with effective active ingredients of fluopyram and oxine-copper, the bactericidal composition is characterized in that the weight ratio of fluopyram to oxine-copper is (1: 1)-(1: 9), and the dosage form of the bactericidal composition is a suspending agent. According to the composition disclosed by the invention, fluopyram and oxine-copper are mixed according to a certain proportion to prepare a suspending agent, the suspending agent has a very good effect on preventing and treating citrus resinosis, and particularly, when the suspending agent is applied in the morbidity period, diseases can be effectively treated, the immunity of citrus can be enhanced, and the outbreak of citrus red mites can be reduced.

The invention provides a Chinese beetle pyemotes skin necrosis toxin gene as well as an encoding protein and application thereof, and belongs to the technical field of biology. The toxin gene provided by the invention comprises the following nucleotide sequences: (a) a nucleotide sequence as shown in SEQ ID NO: 1; (b) a nucleotide sequence as shown in SEQ ID NO: 2; (c) a nucleotide sequence as shown in SEQ ID NO: 3; (d) a nucleotide sequence as shown in SEQ ID NO: 4; and (e) a nucleotide sequence having at least 95% sequence consistency with at least one of the nucleotide sequences as shown in SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 and SEQ ID NO: 4. The pyemotes sinensis toxin protein provided by the invention is derived from natural toxin protein and has good insecticidal activity on spodoptera frugiperda.

The invention discloses an indoor predatory mite feeding device and an operation method, and relates to the technical field of predatory mite feeding equipment.The indoor predatory mite feeding device comprises a barrel body, a culture barrel, a conveying box, a harvesting disc, a rotating cylinder, arc-shaped baffles, supporting legs, a first rotating mechanism, a second rotating mechanism, a lifting mechanism and a sliding mechanism; the four conveying boxes are driven by the sliding mechanism to slide, the rotating cylinder is driven by the first rotating mechanism to rotate, and the sliding mechanism is driven by the first rotating mechanism to work. Tetranychid mites and predatory mites can be bred at the same time, the tetranychid mites can serve as bait of the predatory mites, breeding of the tetranychid mites is not affected, and the breeding efficiency of the predatory mites is improved. When the harvesting disc ascends, the harvesting disc and the barrel body form a closed space, so that predatory mites can prey spider mites in the closed space conveniently, and when the harvesting disc descends, the four culture barrels become independent closed spaces, so that the spider mites and the predatory mites can be independently fed conveniently.

The present invention discloses the application of rice leaf extract in insecticidal use. The present invention provides the application of rice leaf extract in any one of the following: insecticidal use; preparation of insecticides. The rice leaf extract provided by the present invention has a certain control effect on aphids, diamondback moths and spider mites. The present invention has important significance for controlling these three pests on crops.

The present invention provides a pyridaben-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is pyridaben, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention provides an application of the pesticide composition in prevention and control of agricultural and forestry pests, especially in prevention and control of phyllotreta striolata. The invention verifies that the binary composition obtained by compounding the flufenoxanil and the pyridaben in a proper proportion has a remarkable synergistic effect, so that the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I)

The invention provides a pesticide composition containing a pyrethroid compound, which consists of a compound with a structural formula (I) and a second effective component, the second effective component is bifenthrin, beta-cyhalothrin, fenpropathrin, beta-cyhalothrin, beta-cyhalothrin, beta-cyhalothrin, cypermethrin, cyfluthrin, deltamethrin, ethofenprox, fenvalerate or cis-cypermethrin, and the weight ratio of the bifenthrin, the beta-cyhalothrin, the fenpropathrin, the fenvalerate and the cis-cypermethrin is (1-50): (1-50). The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially phyllotreta striolata, ostrinia nubilalis or tetranychus cinnabarinus. The invention verifies that a remarkable synergistic effect can be obtained by compounding the flufenoxanil and the pyrethroid insecticide in a proper proportion, the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are realized, and the composition has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle and tetranychid mites, and has a good control effect on the target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis. (I).

The present invention relates to a method for preparing a broccoli extract and its use in controlling spider mites. The broccoli extract is obtained by enzymatically hydrolyzing broccoli using an endogenous enzyme system, extracting and concentrating the active ingredients in the broccoli using a solvent, and finally drying the broccoli extract. The broccoli extract can be used to prepare acaricides.

The invention discloses a canopy scale cotton spider mite damage degree detection method and device, a medium and a product, and relates to the field of plant damage detection.The method comprises the steps that two leaf scale cotton spider mite damage degree detection models are constructed based on ResNet1D and MobileNet1D models respectively; adopting two leaf scale tetranychus gossypii damage degree detection models to predict leaf scale tetranychus gossypii damage degrees based on the obtained image color and texture features and the average spectrum, and obtaining color texture and spectrum key waveband features in the prediction process; and adopting the constructed three-branch feature fusion network model to obtain a canopy scale cotton spider mite damage degree detection result based on the spectrum key waveband features, the color texture key features and the RGB image. According to the method, potential association among different modal features can be deeply mined, and automatic and accurate detection of the damage degree of the cotton spider mites in the natural environment is realized.

The invention relates to agriculture. Liquid complex fertilizer contains colloidal silver, macroelements and microelements in the form of salts and metal-ethylenediaminetetraacetic acid chelates, additionally contains sodium tallow amphoteric polycarboxyglycine, polyvinylpyrrolidone, structured water formed by preliminary addition of shungite. All components are added in certain proportions. The invention allows to increase the following properties: acaricidal activity against common spider mites, insecticidal activity against common potato aphids, antiviral activity against tomato yellow leaf curl virus, and stability of the fertilizer as a colloidal system.

Contact insecticide and acaricide suitable for organic agriculture for the management of mites and soft-bodied insects, and its method of production. This invention relates to the creation of a formulation applicable in both organic and conventional agriculture for the protection of plants against mites and soft-bodied insect pests of crops. The action of the formulation is due to the inseparable combination of the active substance, which is the potassium salts of fatty acids, with mixtures of mono- and diglycerides of fatty acids as well as vegetable oils that increase the solubility of the formulation in the spray liquid and its effectiveness. The acaricidal and insecticidal action of the final formulation is further enhanced by the addition of acyclic sesquiterpenes and caraway essential oil, which cause intense mobility of the mites / insects, thereby increasing the contact time of the pests with the active ingredient, leading to their immediate death. This invention represents an advancement in current technology by proposing a combination of active ingredients that act synergistically, ensuring the effectiveness of the formulation even at low concentrations of the active substance. The low concentration of the active ingredient, combined with the use of natural and environmentally friendly components, results in the proposed formulation with an improved toxicological and environmental profile and minimizes the risk of phytotoxicity often observed from the use of plant protection products with high concentrations of potassium salts of fatty acids. This patent also describes: a) the method of production of the active ingredient and the final formulation (additional examples of proposed compositions are provided in the supplementary section), b) the proposed method of application of the formulation in the field, c) laboratory studies conducted on the effectiveness of the proposed formulation against the agricultural pest Tetranychus urticae (two-spotted spider mite) and the study of its compatibility with the beneficial predator Phytoseiulus persimilis.

Compounds of formula (II) wherein A, B, G, W, X, Y and Z may have the meanings given in the description are well suited for treating ground / growth substrates against animal pests such as insects and / or red spider mites by ground irrigation or drip or immersion application.

The application belongs to the field of fine chemical industry, and particularly discloses a modified eugenol mixture for contact killing of spider mites and a preparation method thereof. The modified eugenol mixture is prepared by addition reaction of nonamethyltrihydrogen pentasiloxane, allyl polyether, eugenol and olefin under the condition of a platinum catalyst at normal pressure to obtain a novel structure siloxane grafted with eugenol; and then the product is mixed with a double-branched ethoxylated siloxane and a rhamnolipid surfactant according to a mass ratio to obtain the modified eugenol mixture for contact killing of spider mites. The novel structure siloxane is a novel eugenol compound for contact killing of spider mites, and the long-chain alkyl on the organic silicon chain can dissolve the sebum layer of the mites, and at the same time, the eugenol can penetrate below the sebum layer due to the low surface tension of silicon, so that the contact killing effect is achieved.

The invention discloses a method for preventing and controlling soybean spider mites by using planting layout, which belongs to the technical field of agricultural prevention and control, and is characterized in that crops which are unfavorable for the survival of spider mites and / or flowering plants which have the functions of repelling pests and attracting natural enemies are planted at the edge of a soybean field and / or between soybean rows. According to the method, the layout of repelling plants (periphery), intercropping crops (inner periphery) and soybeans (core) is adopted, outbreak of Xinjiang soybean spider mites is prevented and controlled, and the purpose of increasing the yield of soybeans is achieved. The application of pesticides can be reduced, tetranychid mites can be effectively prevented and controlled, the cost for preventing and controlling the tetranychid mites is reduced, and the agricultural economic benefits are improved.