29 results about "Diamondback moth" patented technology

The invention relates to the technical field of compound preparation, in particular to chiral pyrethroid as well as a preparation method and application thereof. The structural general formula of the chiral pyrethroid is shown as a formula I or a formula II. The synthetic method has a wide substrate range, can successfully prepare a single configuration of a pyrethroid product and test the biological activity of the pyrethroid product, is simple and convenient to operate and high in yield, allows an optical pure isomer to reach 85% or more, prepares the pyrethroid product by a one-pot multi-step method, ensures the ee value and yield of the single configuration, and has a wide application prospect. The whole activity of the compound on plutella xylostella and spodoptera frugiperda is shown as 1R-cisgt; rac, cisgt; according to the present invention, the pyrethroid is a pyrethroid product, the 1S-cis is the low-efficiency body or the ineffective body of the pyrethroid product, and has wide application prospects in the academic field and the pesticide industry.

This invention relates to the fields of pesticide formulations and pesticide pest control, specifically to a composite nano-slow-release suspension of emamectin benzoate and chlorantraniliprole, its preparation, and application. The nano-slow-release suspension comprises emamectin benzoate, chlorantraniliprole, a nanocarrier, a wetting agent, a dispersant, a synergist, a thickener, an antifoaming agent, an antifreeze, a preservative, and water. The nanocarrier is an NX-CMCS & MOF composite nanocarrier. Spraying this composite nano-pesticide onto crops improves the adhesion and penetration of the pesticide on leaves, enhances its resistance to rain washout, and effectively kills major crop pests such as bollworms, diamondback moths, cowpea thrips, and rice planthoppers. Compared with traditional pesticide formulations, it has a significant effect of reducing dosage and increasing efficacy, and has broad application prospects in the field of agricultural pest control and promoting green agriculture.

This invention discloses a composition containing isoxaflutole and lambda-cyhalothrin, and its uses. The insecticide composition comprises isoxaflutole and lambda-cyhalothrin, with a mass fraction ratio of 1:1-50 between the two active components. Within a certain ratio range, the composition of this invention exhibits a significant synergistic effect against diamondback moth and flea beetles, which is beneficial for achieving reduced pesticide use and increased efficiency, meeting the requirements of the green and environmentally friendly trend in pesticides.

This invention discloses aryl heterocyclic compounds containing substituted unsaturated hydrocarbons, their preparation methods, and uses. The compounds have the chemical structure shown in Formula I. The compounds of this invention are used as insecticides, showing particularly good control efficacy against armyworms, diamondback moths, cotton bollworms, corn borers, and rice leaf rollers, and are expected to become novel insecticides.

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).

This application discloses a Penicillium strain with stress resistance, growth promotion, and insecticidal functions, and its applications. The preservation number of this Penicillium strain is CGMCC No. 42545. This Penicillium strain naturally integrates four functions: salt tolerance, drought tolerance, plant growth promotion, and insecticidal activity against lepidopteran pests. It can grow normally in a 15% NaCl concentration medium, significantly improving plant survival rate under drought stress. Simultaneously, it promotes growth indicators such as root length and root fresh weight in crops like peas. It exhibits highly effective lethal activity against young larvae of lepidopteran pests such as diamondback moth and beet armyworm, and has high safety against non-target organisms. This Penicillium strain can be prepared into solid or liquid inoculants, showing promising application prospects in stress resistance, growth promotion, and pest control for crops grown in saline-alkali / arid areas. It realizes an integrated solution of "stress adaptation - crop growth promotion - pest control," replacing the combined use of multiple single-function agents and reducing agricultural production costs.

The invention discloses an insecticidal preparation based on rosemary-mint mixed oil and a preparation method and application thereof, and belongs to the crossing field of green agriculture and biotechnology. The mixed essential oil is efficiently extracted through an ultrasonic-subcritical coupling extraction process, the rosemary oil extraction rate can reach 12.1%-12.4%, the menthol retention rate reaches 95.2%-97.1%, and the solvent residue is lower than 0.01 mg / kg; a full-plant-source ternary compound system (mixed essential oil, sophora alopecuroide extract and citrus peel oil) is designed, the synergistic coefficients of 50 formulas are all larger than or equal to 1.25, and six types of pests including thrips, red spiders, aphids, whiteflies, plutella xylostella and leafhoppers can be covered; a special application technology for eight types of crops (including tea leaves and traditional Chinese medicinal materials) is established, the quality of the crops reaches the standard after pesticide application, for example, the water extract of the tea leaves is increased by 1.2%, and the astragaloside content meets the standard of Chinese Pharmacopoeia 2020 edition; the storage stability is optimized, the control effect retention rate can reach 94.7% after 6 months of normal-temperature storage, and the requirement of 2-year industrial shelf life can be met; finally, the average reduction rate of the chemical pesticide is 90.3%, and the preparation cost is less than or equal to 80 yuan / kg. The composition can replace chemical pesticides and is suitable for green prevention and control of insect pests of fruits and vegetables, fields, commercial crops and traditional Chinese medicinal materials.

This invention provides a method for preparing and applying a controlled-release agent of emamectin benzoate, belonging to the field of nanopesticide technology. This invention uses PFC-1, a hydrogen-bonded organic framework material with a porous structure, as a drug carrier. After loading emamectin benzoate through its porous structure, the loaded system is further modified by surface encapsulation with sodium lignosulfonate. The resulting nano-formulation with controlled-release function is called emamectin benzoate nano-controlled-release agent. The prepared drug-loaded system exhibits good insecticidal activity against diamondback moth. The preparation method includes a method for preparing emamectin benzoate-loaded agents. The prepared system has a high loading capacity of 19.6%. The drug-loaded system provided by this invention has good insecticidal effect against diamondback moth and exhibits pH-selective release effect in the midgut environment of the diamondback moth.

The invention relates to the technical field of preparation of phenylisoxazole derivatives, in particular to phenylisoxazole derivatives containing pyrazole or triazole amide as well as a preparation method and application of the phenylisoxazole derivatives containing pyrazole or triazole amide. The phenylisoxazole derivative containing pyrazole or triazole amide provided by the invention has good insecticidal activity on lepidoptera pests such as plutella xylostella, spodoptera frugiperda, beet armyworm, cotton bollworm and the like, and can be used as a pesticide active component to be applied to prevention and control of agricultural pests and preparation of insecticides.

The application discloses a class of evodiamine derivatives targeting insect ryanodine receptors and preparation and application thereof. The compound of the application has a structural formula as shown in I, wherein R, R 1 , R 2 are defined in claim 1. The compound of the general formula I of the application has medium to excellent insecticidal activity on pests of Lepidoptera such as oriental armyworm and diamondback moth, and research on the insecticidal mechanism finds that it is a class of insect ryanodine receptor activators. The application synthesizes a class of insecticides targeting insect ryanodine receptors, which can be used alternatively with existing insecticides to avoid or delay the generation of resistance, has conventional preparation conditions, simple subsequent treatment and is easy to realize industrialization, and is an insecticide with wide application prospect.

This invention belongs to the field of pesticide chemistry. This invention provides an isoxazoline pyridazine derivative, which is a compound represented by general formula I or II or its stereoisomers, polymorphs, isotope labels, or pharmaceutically acceptable salts. The isoxazoline pyridazine derivative of this invention exhibits significant insecticidal activity and broad spectrum, achieving a corrected mortality rate of 23.81%–100.00% against diamondback moth, 17.78%–88.89% against Asian corn borer, and 20.00%–93.33% against peach aphid. The isoxazoline pyridazine derivative of this invention also shows LC50 activity against zebrafish. 50 ≥10 mg / L, which falls under the low-risk category for aquatic organisms and has low environmental risk.

The application provides an isoxazoline oxime ester derivative, a preparation method and application thereof, and the isoxazoline oxime ester derivative is a compound represented by formula I, or a stereoisomer, a tautomer, an isotopic derivative and a pesticide-acceptable salt thereof. The isoxazoline oxime ester derivative has high insecticidal activity, still has good insecticidal effect at a low dose, is more conducive to environmental protection, and has very excellent killing effect on lepidopteran pests, such as diamondback moth.

The invention provides a method for performing a bioassay experiment on plutella xylostella by using artificial feed, and belongs to the technical field of pesticides. The bioassay experiment method comprises the following steps: preparing an artificial feed; the method is actually used for operation steps of plutella xylostella. According to the experiment, after the artificial feed is prepared, the artificial feed is prepared into small blocks by a puncher, and the small blocks are put into a solution to be soaked, so that compared with a traditional bioassay experiment method, the effect that the plutella xylostella larvae eat actual soaked substances in a bioassay cup can be ensured, and the accuracy of the experiment is improved.

The invention belongs to the technical field of microorganisms, and particularly discloses bacillus cereus D9 and application thereof in prevention and treatment of lepidoptera pests. According to the bacillus cereus D9 provided by the invention, the Latin name is bacillus cereus, and the preservation number of the bacillus cereus D9 is CGMCC (China General Microbiological Culture Collection Center) No.37192. The strain can significantly reduce the survival rate of second-stage larvae of tomato leaf miners and weaken the oviposition preference of imagoes in host tomatoes; the obvious inhibition effect is also realized on the survival of second-stage larvae of the plutella xylostella. Through synergistic interaction of killing larvae and weakening the oviposition preference of adults, efficient prevention and control of lepidoptera pests can be achieved, chemical pesticide application can be reduced, the requirements for green prevention and control and agricultural sustainable development are met, and the method has important practical value for guaranteeing the yield and quality of crops and protecting the ecological environment of farmlands.

The present application relates to a kind of arylamino-containing xanthine derivatives and its preparation method and application.On the basis of 1,3-disubstituted xanthine raw material, arylamino-containing xanthine derivatives obtained by series of reactions are shown as general formula I.Compounds of general formula I have higher herbicidal activity, and have obvious activity on rape, amaranthus retroflexus, barnyard grass, crabgrass, have good insecticidal activity, especially on the effect of diamondback moth is remarkable, have good fungicidal activity, and have obvious in vitro inhibitory activity on wheat scab fungus, pepper phytophthora blight fungus, sclerotinia sclerotiorum, cucumber fusarium wilt fungus, apple phialophora quercina, wheat sharp eyespot fungus, etc.Compounds of general formula I can be used as active components of herbicidal or insecticidal or fungicidal composition, for preparing agricultural herbicide or insecticide or fungicide, and can be used for the prevention and treatment of grass damage or insect damage or pathogenic damage on various crops.Also have good inhibitory effect on the activity of KARI, and can be used for KARI inhibitor.

The invention provides a plutella xylostella short neuropeptide F and a preparation method and application of a receptor gene dsRNA of the plutella xylostella short neuropeptide F. According to the method disclosed by the invention, the expression of the short neuropeptide F of the plutella xylostella and the receptor gene of the short neuropeptide F can be inhibited through dsRNA, so that the purpose of controlling pests is achieved by regulating and controlling the ingestion behavior of the plutella xylostella, inhibiting the weight gain of the plutella xylostella and influencing the growth and development of the plutella xylostella, and the method has extremely high specificity and high efficiency and provides a new thought for green pest control.

This invention provides a near-infrared responsive hydrogel loaded with a eutectic solvent-based pesticide and its preparation method. To address the problems of poor solubility and low utilization efficiency, flonicamid is first prepared as a eutectic solvent with citric acid, urea, or lactic acid, exhibiting stronger insecticidal activity against diamondback moth while significantly improving water solubility compared to flonicamid. Furthermore, 5,10,15,20-tetra(4-cinnamamidophenyl)porphyrin is synthesized as a photothermal conversion center and copolymerized with the thermosensitive monomer N-isopropylacrylamide via free radical polymerization to form a three-dimensional hydrogel network, achieving effective loading of the eutectic solvent-based pesticide and adhesion to plant leaves. The preparation process requires no special equipment and is effective and reliable. Under near-infrared light irradiation, the photothermal conversion center generates localized heat, inducing a hydrophilic-hydrophobic transition in the hydrogel, leading to its shrinkage and controlled pesticide release. This invention provides a pathway for developing efficient and ideal intelligent pesticide delivery platforms for sustainable agriculture.

The application discloses application of a benzene-1,2,4-triazine and oxazepine compound, and belongs to the technical field of insecticide preparation. The benzene-1,2,4-triazine and oxazepine compound is used in the preparation of insecticides, the compound has high enzyme inhibition activity on insect chitinase, can exhibit excellent insecticidal effect, and has high inhibition activity on Asian corn borer chitinase (OfChi-h) in particular; the compound has strong insecticidal activity on agricultural pests such as Asian corn borer and diamondback moth. The compound with the structure is used in the preparation of insecticides, has high pesticide research value, and has wide application prospects in the field of pesticide science.

This invention discloses a pseudo-leucane-type diterpenoid compound, its extraction method, and its application, belonging to the field of insecticide technology. The compound is extracted from the whole plant of *Euphorbia pekinensis*, and the extract is obtained by repeated soaking and concentration in methanol. It is then dissolved in water at 40°C and successively extracted with petroleum ether and ethyl acetate. The extract is purified through multiple steps to obtain 16 pseudo-leucane-type diterpenoid compounds with different structures. This series of compounds can be used as active ingredients in the preparation of insecticides, exhibiting good insecticidal activity against various pests such as *Tetranychus two-spotted*, *Tetranychus carmine*, aphids, and diamondback moths at a concentration of 100 mg / L. Compound 13 showed a 48-hour lethality of 89.14% against *Tetranychus two-spotted*. Furthermore, these compounds are characterized by low toxicity, easy degradation, and environmental friendliness, making them suitable for pest control in green agriculture.

The invention discloses a series of alpha-ascaridol oxazole derivatives, a preparation method thereof and application of the alpha-ascaridol oxazole derivatives as insecticides. According to the series of derivatives, a natural active substance alpha-ascaridol is taken as a lead compound, 2-substituted oxazole nitrogen heterocyclic rings are introduced to C-2 and 3 sites of the lead compound through structural modification and optimization, a series of alpha-ascaridol oxazole derivatives are prepared, and the structural general formula of the alpha-ascaridol oxazole derivatives is shown in the following formula (I). The invention provides a novel alpha-ascarifuge oxazole derivative, which has excellent insecticidal activity, is particularly non-toxic to common pests such as armyworms, plutella xylostella and aphids which are harmful to medicinal plants, is relatively non-toxic to non-target biological carp fries, has better biological safety, and can be used for preparing the novel alpha-ascarifuge oxazole derivative. The method is expected to be used for preparing high-efficiency, low-toxicity and environment-friendly natural product green insecticides. In addition, the compound is simple in preparation process, low in cost and high in yield.

The invention provides a preparation method and application of an efficient nano biopesticide carrier, and belongs to the technical field of nano biopesticides. The preparation method comprises the following steps: preparing spherical mesoporous silica MSN by using a sol-gel method; after being compounded with Bt raw powder, the compound has good insecticidal activity on plutella xylostella. The spherical mesoporous silica is used as a carrier and has a mesoporous structure, a large specific surface area and an ultraviolet irradiation absorption capability, so that the spherical mesoporous silica has stronger insecticidal activity and a certain ultraviolet resistance capability after being compounded with Bt.

The invention relates to the technical field of agricultural insect situation monitoring, discloses an intelligent insect situation monitoring lamp and a monitoring method, and aims to solve the problems that existing equipment has potential safety hazards of high-voltage electric shock, depends on manual counting, needs a network to support cloud recognition and the like. The damage-free automatic blanking of the pests is realized; an OV2640 camera vertically mounted at the top is matched with annular supplementary lighting and a white matte imaging tray with a central groove, so that the insect body imaging is clear, and the position is concentrated; a MobileNetV2 model quantified by INT8 is locally operated based on a main controller, real-time classification and quantity statistics of common pests such as prodenia litura, plutella xylostella and aphids are completed, and original images do not need to be uploaded; the whole machine is powered by a 5W solar panel and a lithium iron phosphate battery, on-demand starting and stopping are achieved in combination with a real-time clock module, and Bluetooth short-distance direct connection with a peasant household mobile phone and NB-IoT remote data uploading are supported. The device does not need manual intervention, and can be widely applied to intelligent insect situation monitoring of small and medium-sized farmers.

The invention belongs to the technical field of pesticide compounding, and particularly relates to an insecticidal composition which comprises an active component A and an active component B. The active component A is a compound shown in the formula (I), and the active component B is any one of cyprosulfuron, isoxaflutole and chlorfenapyr bisamide. The mass ratio of the active component A to the active component B is (1: 36)-(48: 1). The composition can effectively prevent and kill lepidoptera pests such as plutella xylostella and cabbage caterpillar, and has the characteristics of expanding the insecticidal spectrum, reducing the application amount, being safe to crops, being capable of generating a synergistic effect and solving resistant pests, and the like.

This invention discloses a double-stranded RNA for synergistic control of diamondback moth using chemical insecticides. It also discloses an insecticidal composition for controlling diamondback moth, the application of the aforementioned double-stranded RNA in the preparation of formulations for synergistic control of diamondback moth using chemical insecticides, and a method for synergistic control of diamondback moth using chemical insecticides. The dsRNA of this invention is simultaneously silenced using RNAi technology. ABCB1 and GSTt1 This gene simultaneously weakens the metabolic detoxification and pesticide efflux capabilities of the diamondback moth. Compared with single-target dsRNA, it significantly enhances the lethality of various chemical insecticides such as chlorantraniliprole and spinosad, and can reduce the dosage while maintaining efficacy, thus delaying the development of resistance. This dsRNA sequence is highly specific, targeting only a specific detoxification gene in the diamondback moth, and has good environmental safety.

The invention relates to a suitable citrobacter strain and application thereof. The invention relates to citrobacter suitabilis strain J35, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number of the citrobacter suitabilis strain J35 is CGMCC No.36708, and the citrobacter suitabilis strain J35 has insecticidal activity on Sitobion avenae, Rhopalosiphum padi, Amyzus persicae, Lygocoris lucorum, Bemisia tabaci, Plutella xylostella and Spodoptera litura. The citrobacter suitabilis strain J35 has the advantages that the strain J35 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the citrobacter suitabilis strain J35 is CGMCC

The invention provides a benzoxazole fused honokiol derivative, the benzoxazole fused honokiol derivative is one of benzoxazole fused honokiol derivatives containing diimine, thioether or sulfone structural units, and the chemical general formula of the benzoxazole fused honokiol derivative is shown in the specification, the preparation method comprises the following steps: by taking honokiol as a raw material, carrying out nitration, reduction and cyclization reaction on the ortho-position of hydroxyl of honokiol to obtain a key intermediate benzoxazole fused honokiol, and then carrying out condensation, oxidation and other reactions on the key intermediate benzoxazole fused honokiol and one of primary amine, secondary amine, phenol, thiophenol or mercaptan to obtain the benzoxazole fused honokiol derivative. The derivatives have good insecticidal activity on plutella xylostella and armyworms, can be used for preparing efficient novel insecticides, and can be applied to prevention and control of plutella xylostella and oriental armyworms.

The application provides a sex lure for Chilo suppressalis and a lure core, and relates to the technical field of insect sex lure.The active ingredient of the sex lure comprises the following raw materials in parts by weight: cis-11-hexadecenal 50 parts, cis-13-octadecenal 4-10 parts, cis-9-hexadecenal 4-10 parts and cis-11-hexadecenol 0.4-200 parts.The sex lure has a strong attracting effect on Chilo suppressalis, is safe for human and livestock, has no pollution to the environment, and can reduce the use of pesticides.The sex lure has a low use cost, is convenient to operate, can be applied to the prediction and control of Chilo suppressalis, and has good social economic and ecological benefits.

The invention relates to a strain of Prussella adamsii and application of the Prussella adamsii. The invention relates to the field of biological engineering, in particular to a P.avenae strain which is J29 and preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number of the P.avenae strain is CGMCC No.35972, and the P.avenae strain has the insecticidal activity on Sitobion avenae, Rhopalosiphum padi, Amyzus persicae, Lygocoris lucorum, Bemisia tabaci, Plutella xylostella and Spodoptera litura. The P.avenae strain has the advantages that the P.avenae strain has the insecticidal activity on P.avenae, Rhopalosiphum padi, Amyzus persicae and Spodoptera litura;

Disclosed are synthetic peptides developed from the western flower thrip (Frankliniella occidentalis), spotted-wing drosophila (Drosophila suzukii), diamondback moth (Plutella xylostella), lygus (Lygus Hesperus), and other insect neuropeptides. Peptides disclosed can be used to repel, control, or deter Frankliniella spp., Drosophila spp., Plutella ssp., and Lygus ssp., including Frankliniella occidentalis, Drosophila suzukii, Plutellaxylostella, and Lygus Hesperus from feeding on agricultural and horticultural plants. The peptides can be combined with bait materials, or applied directly to plants or areas.