171 results about "Spodoptera" patented technology

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein X1 and X2 respectively and independently represent hydrogen, halogen, cyano, hydroxyl, amino, alkyl or halogenated alkyl; y1, Y2, and Y3 each independently represent hydrogen, halogen, or the like; q1 and Q2 respectively and independently represent CH2, O or S, and at least one of Q1 and Q2 is O; r1 and R2 respectively and independently represent halogen. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda and armyworm.

The invention belongs to the field of microbial natural product pesticides, and particularly discloses a polyketone compound as well as a preparation method and application thereof. The compound disclosed by the invention is prepared from a fermentation crude extract of a strain of tobacco endophytic fungus Aspergillus japonicus TE-739D, and the compound disclosed by the invention is prepared from the fermentation crude extract of the tobacco endophytic fungus Aspergillus japonicus TE-739D. The chemical structure of the compound is identified through a modern spectroscopy technology, such as a high resolution mass spectrum HRESIMS and a superconducting nuclear magnetic resonance spectrum NMR, and the compound is named as japonidiene C. The invention further discloses a preparation method of the compound. The polyketone compound japondiene C has an obvious insecticidal activity on 2-instar larvae of spodoptera frugiperda, and can be used for preventing and treating the second instar larvae of the spodoptera frugiperda.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y1, Y2, Y3, Z1, Z2, R1, R2, R3, R4, R5, R6, R7, and R8 independently represent hydrogen, halogen, a cyano group, a nitro group, an alkyl group, etc. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein X and Z respectively and independently represent hydrogen, alkyl, alkenyl, alkynyl, naphthenic base and the like; y represents chlorine or bromine. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y represents hydrogen, an alkyl group, an alkenyl group, an alkynyl group or the like; and Z1, Z2, R1, R2, R3, R4, R5, R6, R7 and R8 independently represent hydrogen, halogen, cyano, nitro, alkyl and the like. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention discloses a pepper field prodenia litura adult trapping and killing device and method. The pepper field prodenia litura adult trapping and killing device comprises an AI adult prediction system, an insect trapping device, a high-voltage power grid killing device, an insect corpse collecting device and an energy supply device. The AI adult prediction system is in communication connection with the insect trapping device and is used for monitoring prodenia litura adults in real time and sending a starting signal to the insect trapping device; the insect trapping device carries a prodenia litura sex attractant and is used for releasing the prodenia litura sex attractant to trap adults of prodenia litura after receiving the opening signal; the high-voltage power grid killing device is used for killing adults through cooperation of contact electric shock and air electric shock; the insect corpse collecting device is arranged below the high-voltage power grid killing device and is used for collecting killed insect corpses; the energy supply device is electrically connected with the AI adult prediction system, the insect trapping device and the high-voltage power grid killing device and supplies power to all electric components. Non-chemical, accurate, environment-friendly and efficient trapping and killing of the prodenia litura adults in the pepper field and stable and long-acting operation of the device are realized.

The invention belongs to the technical field of pesticides, and particularly relates to a substituted benzisoxazole compound, a preparation method thereof, an insecticidal composition and application. The compound is shown as a general formula I, wherein Z1, Z2, Z3, Z4 and Z5 independently represent N or CR; r independently represents hydrogen, halogen, alkyl, alkenyl or the like; x represents an alkyl group, a haloalkyl group, an alkenyl group or the like; y represents alkyl. The compound has excellent prevention and treatment effects on pests such as spodoptera frugiperda, armyworm, plutella xylostella and prodenia litura.

The invention relates to the technical field of microorganisms, in particular to serratia marcescens and application of the serratia marcescens in prevention and treatment of lepidoptera pests. The serratia marcescens CB08 provided by the invention is preserved in the China Center for Type Culture Collection, and the preservation number of the serratia marcescens CB08 is CCTCC (China Center for Type Culture Collection) NO: M 2025266. The strain has a remarkable prevention and control effect on Lepidoptera pests such as spodoptera frugiperda, armyworm, prodenia litura and cotton bollworm, has no pathogenicity on host crops such as corn, is a bacterium with excellent Lepidoptera pest prevention and control potential, has a very wide application prospect, and is expected to bring a new solution to the field of agricultural pest prevention and control.

The invention discloses application of cordyceps javanica Bd01 and a dispersible oil suspending agent thereof to prevention and control of spodoptera frugiperda, and relates to the technical field of biology. The research finds that the cordyceps javanica Bd01 has a strong infection lethal effect on larvae of spodoptera frugiperda at all ages, the pupation rate and eclosion rate of the larvae can be remarkably reduced, and the breeding cycle of pests can be effectively blocked. The invention further develops a dispersible oil suspending agent, and the suspending rate is effectively improved through formula optimization. The dosage form takes soybean oil as a dispersion medium, does not contain harmful solvents such as methylbenzene, is free of dust pollution and is friendly to operators and the environment, and ascorbic acid is added to improve the ultraviolet resistance of spores and prolong the effective period of the pesticide effect. In addition, the preparation also has a certain control effect on caffeinidae, is wide in application scene, provides a new scheme for green control of spodoptera frugiperda, solves the problems of chemical pesticide resistance and residue, and accords with the development requirements of green agriculture.

The invention belongs to the field of microorganisms, and particularly discloses Aspergillus nomiae for preventing and controlling spodoptera frugiperda. The technical problem to be solved by the invention is how to prevent noctuid insects from harming plants. The invention provides aspergillus for preventing and treating noctuid insects from harming plants, the aspergillus is Aspergillus nomiae WNAN1, and the preservation number of the aspergillus nomiae is CGMCC (China General Microbiological Culture Collection Center) No.41741. The invention further provides a preparation method of the aspergillus nomiae. Experiments prove that the aspergillus has a relatively high fatality rate on third-instar larvae of the spodoptera frugiperda, and can be used for preventing and controlling the spodoptera frugiperda.

The application provides a strain of Rossellomorea marisflavi and an application thereof, and belongs to the technical field of crop prevention and treatment. The Rossellomorea marisflavi is Rossellomorea marisflavi zju1, which has been preserved in the China Center for Type Culture Collection on August 14, 2023, and the preservation number is CCTCC NO: M 20231484. The Rossellomorea marisflavi can obviously promote the growth of crops, increase the resistance of crops to Spodoptera frugiperda, and reduce the growth rate and the feeding area of Spodoptera frugiperda on leaves. The application further prepares a biocontrol agent containing the Rossellomorea marisflavi, and the agent is harmless to the environment and has high safety, and cannot cause environmental pollution.

The invention discloses an insect-resistant transgenic cotton event BrsC35 as well as a detection method and application thereof. According to the invention, an epsps gene, a Cry1Ac gene and a Vip3A gene are transferred into a genome of Zhongmiansui 24 through an agrobacterium-mediated method, so that a transgenic cotton event BrsC35 of which the resistance to lepidoptera insects such as cotton bollworms, ostrinia nubilalis and spodoptera frugiperda is remarkably improved is obtained. The transgenic cotton event BrsC35 is preserved in China General Microbiological Culture Collection Center (CGMCC) on February 17, 2025, and the preservation number is CGMCC No.32181. The transgenic cotton event BrsC35 has been preserved in China General Microbiological Culture Collection Center (CGMCC). The invention also provides a method for identifying whether a plant sample is derived from the transgenic cotton event BrsC35 or an offspring of the transgenic cotton event BrsC35, the transgenic cotton event BrsC35 can be specifically detected, and the transgenic cotton event BrsC35 can be better supervised and managed. The method has an important application value.

The invention belongs to the technical field of pesticides, and particularly relates to a substituted benzoheterocycle compound, a preparation method thereof, an insecticidal composition and application. The compound is shown as a general formula I, wherein A1 represents O or NR6; a2 represents N or CH; x represents-S (O) mR7; r1, R2 and R3 independently represent hydrogen, halogen, alkyl or the like; r4 and R5 independently represent hydrogen, halogen or alkyl; r6 represents hydrogen, an alkyl group, an alkenyl group, or the like; r7 represents an alkyl group, an alkenyl group, an alkynyl group, a haloalkyl group or the like; and m represents 0, 1 or 2. The compound has excellent prevention and treatment effects on spodoptera frugiperda, armyworms and the like.

An attractant for Telenomus remus Nixon to control Spodoptera litura Fabricicus is provided. The attractant includes a solvent and at least one of the following components: 1,3-dichlorobenzene, benzothiazole, and octane. The attractant can effectively attract Telenomus remus Nixon to parasitize Spodoptera litura Fabricius eggs, such that the growth of a pest quantity is inhibited and the pest population gradually dies out, which achieves the purpose of pest control. The attractant is a green, non-toxic, and pollution-free attraction substance. Therefore, the attractant can solve a series of problems such as pesticide residues, environmental pollution, and food safety caused by chemical control, and is of great significance for the green control of Spodoptera litura Fabricius.

The invention relates to a pesticide composition containing ecdysone compounds and application of the pesticide composition. The pesticide composition is composed of flufeniprole and methoxyfenozide or tebufenozide. The pesticide composition has an obvious synergistic effect, and the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The pesticide composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, tryporyza incertulas, rice leaf folders, plant hoppers, prodenia litura, beet armyworms, plutella xylostella, cabbage caterpillars, aphids, aleyrodids, thrips and flea beetles.

The present invention relates to the technical field of pesticides, and specifically relates to a substituted fused-imidazole ring compound, and a composition thereof and a use thereof. The compound is as shown in general formula I, wherein Q1 and Q2 each independently represent CH, C-halogen or N; X represents fluorine; Y represents alkyl; R1 represents hydrogen, halogen, alkyl, alkenyl or the like; and R2 represents hydrogen, alkyl, alkenyl, alkynyl or the like. The compound exhibits excellent control efficacy against pests such as Spodoptera frugiperda and Mythimna separata.

The invention discloses an artificial feed for efficient propagation of low-age larva parasitic wasps of prodenia litura. The artificial feed is prepared from the following raw materials: agar powder, soybean meal, sweet potato vines with leaves, yeast powder, wheat germs, sodium benzoate, vitamin C, multivitamins, linseed oil, chlortetracycline hydrochloride soluble powder and the like. The artificial feed is used for feeding 2-5-year-old prodenia litura larvae parasitized by parasitic wasps, and the pupation rate and eclosion rate of the parasitic wasps can both exceed 93%.

The invention discloses a polyketone compound japondiene A as well as a preparation method and application thereof, and belongs to the technical field of microbial metabolites. According to the present invention, the Aspergillus japonicus TE-739D is found, the polyketone compound japondiene A is successfully separated, extracted and prepared from the metabolic fermentation product of the Aspergillus japonicus TE-739D, and through the SciFindern database retrieval and compared with the currently reported compound, the polyketone compound japondiene A is the new structure compound reported for the first time, and can be used for preparing the new structure compound. Functional studies find that the polyketone compound japondiene A has insecticidal activity on spodoptera frugiperda, and technical support is provided for further development of biopesticides.

The invention belongs to the technical field of disease and pest control, discloses application of tyrosine hydroxylase as a target spot in prodenia litura pest control for the first time, screens out a dopamine synthesis inhibitor AMPT aiming at tyrosine hydroxylase, and develops a technology for efficiently controlling prodenia litura. According to the technology, AMPT is injected into the fourth-instar larvae of the prodenia litura, and the melanin deposition of the exoskeleton of the larvae is reduced, the color of the body surface becomes light and the athletic ability is remarkably reduced by utilizing the dopamine synthesis inhibition function of AMPT. On one hand, reduction of melanin deposition weakens the environmental adaptability of pests, and the exposure risk of the pests in the natural environment is increased; on the other hand, the migration behavior of the pests is directly influenced by the decline of the exercise ability, and the population diffusion and hazard range of the pests are limited. The dual-action mechanism reduces the environmental adaptability and survival competitiveness of the pests, and provides a new strategy for green prevention and control.

The application discloses application of alpha-pinene and citral in combination in luring Spodoptera frugiperda, and belongs to the technical field of biological control. The application determines habitat selection and oviposition selection preference of Spodoptera frugiperda on different host plants, collects volatiles of nine kinds of host plants preferred by Spodoptera frugiperda by using a dynamic headspace method, and successfully screens out alpha-pinene and citral combination with good luring effect on female and male adult Spodoptera frugiperda by means of GC-MS technology, indoor behavior selection experiment and semi-field verification. Alpha-pinene and citral both belong to natural plant volatiles, and have the characteristics of easy acquisition, low cost, environmental friendliness and the like, and can serve as background materials or combined components of efficient luring agents of Spodoptera frugiperda. The application can effectively promote the construction and improvement of green control technology of Spodoptera frugiperda, and provides a new and effective tool for Spodoptera frugiperda control work.

The invention belongs to the technical field of pesticides, and particularly relates to a heterocyclic substituted pyridine compound, a preparation method thereof, an insecticidal composition and application. The compound is shown as a general formula I, wherein R1, R2, R4, R5, R6, R8, R9 and R10 respectively and independently represent hydrogen, halogen, alkyl, alkenyl and the like; r3 represents hydrogen, an alkyl group, a haloalkyl group, an alkenyl group or the like; and R7 represents halogen. The compound has excellent prevention and treatment effects on spodoptera frugiperda, armyworm, prodenia litura, beet armyworm, agrotis ypsilon, chilo suppressalis, plutella xylostella, brown planthopper, rhopalosiphum padi and the like.

The application belongs to the technical field of pesticide synergists, and discloses a use of an amide compound as a pesticide synergist. The application takes CYP6AE48 of Spodoptera litura as a main target, adopts a method combining computer-aided drug design technology and biological effect screening, and screens an amide compound, which is N-{5-[2-(2-{3-[2-(2-methylphenoxy)ethoxy]benzyl}hydrazino)-2-oxoethyl]-1,3,4-thiadiazol-2-yl}benzamide. It is known through experiments that the compound has a good inhibitory effect on CYP6AE48 of Spodoptera litura, can prevent degradation of lambda-cyhalothrin and chlorantraniliprole, and can play a synergistic effect as a pesticide synergist in pest control.

The present invention relates to an insecticidal composition comprising of N-(phenylthio) phthalimide (NPP), neem oil and chitosan and method of preparation thereof. The composition of the present invention is useful against insects selected from Helicoverpa armigera, Mythimna separata, Spodoptera frugiperda and other Lepidopteran species of insects. The composition can serve as a formulation that possesses a lower probability of acquiring resistance.

The present application relates to the technical field of insect feeding, in particular to a feeding method for feeding Spodoptera exigua larvae with switchgrass. The method comprises the following steps: placing 2nd instar larvae in a culture container, placing one larva in each culture container, putting 1-4 pieces of switchgrass leaf segments into the culture container every day, sealing the gap between the upper cover and the lower bottom of the culture container and leaving a ventilation opening, putting 2-4 pieces of switchgrass leaf segments into the culture container every day when the larvae grow to 3rd instar-4th instar, keeping the gap between the upper cover and the lower bottom of the culture container, putting 2-5 pieces of switchgrass leaf segments into the culture container every day when the larvae grow to 5th instar-6th instar, keeping the gap between the upper cover and the lower bottom of the culture container, and feeding the larvae until they pupate. The present application feeds Spodoptera exigua larvae individually, feeds the larvae with a specific amount of switchgrass leaf segments at different instars and controls the contact amount with air, thereby providing highly suitable food and optimal nutrition and feeding environment for the larvae and improving the survival rate of the larvae.

The invention belongs to the field of agricultural pest control, and particularly relates to a bHLH family key gene Sim and application thereof in grassland spodoptera frugiperda control. The invention provides a bHLH family protein Sim which is a protein composed of amino acids as shown in SEQ ID NO.2, and a gene Sim for coding the bHLH family protein, and a coding region of the gene Sim is a DNA (deoxyribonucleic acid) molecule with a sequence as shown in SEQ ID NO.1. By reducing the expression of the Sim gene, spodoptera frugiperda larvae can grow slowly and die, the egg laying amount of adults is remarkably reduced, even the adults do not lay eggs, so that the population number of the adults is effectively controlled, and the harm caused by pest outbreak is reduced. A novel environment-friendly high-specificity RNA pesticide is developed based on the gene, and a new solution is provided for pest control.

The application discloses application of a microbial natural product GameXPeptide-A in improving the control effect of insecticides on pests, and belongs to the technical field of biological control. Experiments prove that GameXPeptide-A can effectively improve the insecticidal activity of insecticides on agricultural pests such as thrips, corn borer and prodenia litura when GameXPeptide-A is combined with insecticides such as Metarrhizium anisopliae, Beauveria bassiana, nuclear polyhedrosis virus, 4% abamectin and pyridaben, 10% dimethoate and spinosad, 30% ethoxazole, 45% bifenthrin and etoxazole, 5% spinosad, 5% chlorantraniliprole, 5% abamectin and the like, and it is indicated that the substance can be combined with different insecticides to improve the insecticidal activity of insecticides on pests such as Lepidoptera, Diptera, Coleoptera, Orthoptera, Hemiptera and Homoptera in agricultural production, and can be used for the development and application of a new type of pest immunosuppressant or insecticide synergist.

The invention belongs to the technical field of pesticides, and particularly relates to a pyridyl-substituted imidazole ring compound as well as a composition and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent CH, C-halogen or N; x represents a halogenated alkoxy group; y represents alkyl; r1 represents hydrogen, halogen, alkyl, alkenyl or the like; r2 represents hydrogen, an alkyl group, an alkenyl group, an alkynyl group or the like; the compound has excellent prevention and treatment effects on spodoptera frugiperda, armyworms and the like.

The application discloses an automatic counting method for the egg-laying quantity or hatching rate of Spodoptera exigua. The method comprises the following steps: collecting a multilayer focal plane image sequence of an egg mass, constructing a height field model of the egg mass, dividing egg grains into different physical layers based on the spatial position relationship in the vertical direction, and respectively counting the number of each layer. The method also introduces a shielding compensation calculation to correct the lower layer of the blocked egg grains, so as to accurately obtain the layered egg quantity data. The application solves the problem that the traditional two-dimensional image recognition cannot distinguish the hierarchy of the egg mass, which leads to a serious low count, realizes the accurate counting of the stacked egg mass, and provides a reliable technical means for entomological research and pest forecasting.

The invention discloses an intestinal symbiotic bacterium for enhancing baculovirus resistance of spodoptera frugiperda and application thereof, and relates to the technical field of microorganisms, the intestinal symbiotic bacterium is derived from the midgut of the spodoptera frugiperda, is separated and purified and is subjected to 16S rDNA (ribosomal deoxyribonucleic acid) gene sequencing identification, the sequence length is 1397 bp, and the sequence homology with the known Glutamicibacter soli is 99.93%. The strain is preserved in Institute of Microbiology, Chinese Academy of Sciences, and the preservation number is CGMCC No.34972. The invention provides intestinal symbiotic bacteria for enhancing baculovirus resistance of spodoptera frugiperda and application of the intestinal symbiotic bacteria, and provides an experimental basis for further revealing an interaction mechanism among a host, a pathogen and the symbiotic bacteria. And meanwhile, a technical basis is provided for realizing a comprehensive virus prevention and control strategy of targeted biological prevention and control and non-target beneficial insect protection of the lepidoptera pests.

The invention relates to the technical field of green prevention and control of agricultural pests, in particular to preparation and application of an insecticidal fungus compound for efficiently preventing and controlling spodoptera frugiperda. Diatomite is dispersed in a dispersing agent, and diatomite dispersion liquid is obtained; the preparation method comprises the following steps: dispersing chitosan in a dispersing agent to obtain a chitosan dispersion liquid; dispersing the insecticidal fungal spores in a dispersant to obtain an insecticidal fungal spore dispersion liquid; and mixing the diatomite dispersion liquid, the chitosan dispersion liquid and the insecticidal fungal spore dispersion liquid to obtain the insecticidal fungal compound. The insecticidal fungus compound has a good control effect on major agricultural pests such as spodoptera frugiperda and has a wide application prospect in the field of agricultural pest control, promotion of green agriculture development and the like.