103 results about "Spodoptera" patented technology

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 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.

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 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 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 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 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 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 application discloses a kind of evaluation Spodoptera frugiperda to corn ear damage method, belong to harmful insect ecological control technical field.The application first proposes a kind of new method by measuring corn ear bending angle to judge the damage degree of Spodoptera frugiperda to corn ear, specifically: corn milk ripening period, select the corn damaged by Spodoptera frugiperda, and measure corn ear bending angle, according to corn ear bending angle, the damaged condition of corn yield is evaluated.The application can not only efficiently, quickly and objectively judge the damage degree of corn ear, but also solve the problems of high difficulty in area measurement and large error caused by irregular damaged parts of corn ear in the existing evaluation method, provide a scientific basis for transgenic corn insect resistance evaluation, and have important significance for improving Spodoptera frugiperda control technology system.

The present application belongs to the field of bio-technology of agriculture and forestry, and relates to a method for increasing the egg production of Spodoptera litura based on irradiation mode. 60 Co source irradiation treatment; the irradiated Spodoptera litura pupae are cultured in an incubator to emerge, then the adults are moved to an adult rearing cage for rearing, and honey water is provided for nutrition. Through effective accumulated temperature treatment, a large number of Spodoptera litura pupae with consistent development are selected as irradiation objects, which can greatly increase the egg production of Spodoptera litura under the premise of ensuring the emergence rate of Spodoptera litura pupae and the lifespan of adults, increase the production of test insects, and the operation process is simple, safe and reliable, which provides a large amount of production insect source for conveniently and quickly producing biological control agent nuclear polyhedrosis virus by using Spodoptera litura, and expanding the host parasitic wasp by using the insect as host.

The application discloses a strain of cactus Hansenula spodoptera LM12 and application thereof in preparation of pineapple-flavored coffee, the cactus Hansenula spodoptera has a preservation number of CGMCC No.35856 in China General Microbiological Culture Collection Center, the cactus Hansenula spodoptera LM12 has low-temperature resistance, can be applied in preparation of pineapple-flavored coffee at low temperature, and the addition of the cactus Hansenula spodoptera LM12 can effectively promote the pineapple aroma to be integrated into coffee beans, and solves the problem of excessively high product acidity in preparation of the pineapple-flavored coffee, thereby providing a new technical scheme for producing high-quality, non-bad-flavor and aroma-outstanding pineapple-flavored coffee, and the application is suitable for industrialized production and market popularization and application.

The present application relates to a kind of protein and its application in the prevention and treatment of Spodoptera frugiperda.The amino acid sequence of the protein is shown in SEQ ID No.4.

The invention relates to the technical field of genes, in particular to cloning and application of a spodoptera frugiperda sex pheromone precursor synthetase fatty acyl-CoA reductase SfruFAR1 gene. The research finds that the SfruFAR1 gene is specifically and highly expressed in the insect sex pheromone gland. Through heterologous expression in a yeast system and assisted by enzyme activity analysis and GC-MS identification, it is proved that the SfruFAR1 protein has the biological activity of catalyzing the reduction of multiple fatty acyl-CoA with different carbon chain lengths into corresponding fatty alcohol. Experimental results show that the SfruFAR1 protein plays a core role in a process of synthesizing a precursor of the lepidoptera insect sex pheromone and fatty alcohol which is a component of the precursor. According to the invention, a molecular foundation is laid for realizing in-vitro efficient biosynthesis of the lepidoptera insect sex pheromone by using the SfruFAR1 gene, and a key functional gene tool is provided.

The application discloses an odor receptor derivative peptide capable of effectively monitoring sex pheromone of Spodoptera frugiperda and a biosensor, and belongs to the field of biosensors. At present, the monitoring of Spodoptera frugiperda is usually performed by means of sample plot investigation, sex lures and the like, and problems of poor timeliness, high labor cost and insufficient data continuity exist. In order to solve the above problems, the pheromone binding protein derivative peptide provided by the application has an amino acid sequence as shown in SEQ ID NO: 5, the biosensor comprises a substrate and an interdigital electrode, single-walled carbon nanotubes are attached to the electrode, and the odor receptor derivative peptide is further connected. The sensor can specifically detect the sex pheromone of Spodoptera frugiperda and has no response to 17 kinds of plant volatiles, and can detect the sex pheromone released by as low as two live female Spodoptera frugiperda under laboratory conditions. The sensor has application potential in the fields of early-stage pest monitoring, improvement of prevention and control efficiency and guarantee of ecological safety.

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 invention belongs to the technical field of biological control, and particularly relates to application of protein coded by a prodenia litura gloverin gene in combination with beauveria bassiana in insect control. The technical problem to be solved by the invention is to provide a new method for biological control of agricultural pests. The technical scheme of the invention is the application of the protein coded by the prodenia litura gloverin gene in insect prevention and control. The amino acid sequence of the protein is shown as SEQ ID No.2. According to the method disclosed by the invention, the insects are effectively prevented and controlled by reducing the expression of the gloverin gene in the insects; meanwhile, the death rate of the insects can be further increased by combining the reduction of the expression of the gloverin gene in the insects with the combination of Beauveria bassiana.

The application relates to an anti-apoptosis baculovirus expression vector, which realizes a broad-spectrum anti-apoptosis effect by expressing siRNA targeting a Sf-caspase-1 and Tn-caspase-1 common sequence of Spodoptera frugiperda and Trichoplusia ni insect cells through the vector. The baculovirus vector contains a specific DNA sequence, the DNA sequence contains an siRNA sequence targeting the Sf-caspase-1 and Tn-caspase-1 common sequence transcribed by an RNA polymerase III promoter; the recombinant virus of the vector can express double-stranded small RNA in a host cell, silences the caspase-1 encoded by the host cell through an RNA interference pathway, thereby inhibiting the apoptosis of the host cell, and significantly improving the expression level of an exogenous protein. The application can be used for industrialized production of protein preparations and vaccines.

The present application belongs to the technical field of microorganisms, and discloses a new Talaromyces amestolkiae strain with broad-spectrum lepidopterous insecticidal activity and application thereof. The new strain is isolated from the pests of Spodoptera litura, and is named as Talaromyces amestolkiae GZTA01, which has been preserved in China Center for Type Culture Collection on January 6, 2026, and the strain preservation number is CCTCC NO: M2026033. The Talaromyces amestolkiae strain of the present application has a minimum lethal rate of 62.14% and a maximum lethal rate of 86.67% on Spodoptera litura, Myzus persicae, Plutella xylostella and Mythimna separata, and exhibits excellent broad-spectrum control potential on lepidopterous and hemipterous pests.

The application discloses a novel insect short neuropeptide sNPF analogue and application thereof in pests, and relates to the technical field of agriculture; the application provides a structural general formula of the novel insect short neuropeptide sNPF analogue, and the novel insect short neuropeptide sNPF analogue is applied to the prevention and treatment of aphids, thrips, Plutella xylostella and Spodoptera frugiperda. The terminal tyrosine Y, arginine R or leucine L residue is substituted and modified by using hydrophilic, hydrophobic, steric hindrance natural amino acids or unnatural amino acids and other groups on a lead compound, and the obtained novel insect short neuropeptide sNPF analogue can be used in the prevention and treatment of various pests.

The invention relates to bacillus thuringiensis for preventing and treating spodoptera frugiperda. The bacillus thuringiensis strain is IPPO68 and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.37126, and the exopolysaccharide produced by the bacillus thuringiensis strain has insecticidal activity on spodoptera frugiperda.

The invention belongs to the technical field of pesticides, and particularly relates to a pyridyl-substituted triazole ring compound as well as a composition and application thereof. The compound is shown as a general formula I, wherein Y1 represents O or N-Y3; y2 represents an alkyl group, a haloalkyl group, an alkenyl group, a haloalkenyl group, or the like; y3 each independently represents hydrogen, an alkyl group, a haloalkyl group, or the like; m1 and M2 respectively and independently represent N or CX4; r1, R3, R4, R5, X1, X3, and X4 each independently represent hydrogen, cyano, nitro, halogen, alkyl, alkenyl, or the like; r2 represents a halogenated alkyl group; and X2 represents a halogenated alkoxy group. The compound has excellent prevention and treatment effects on spodoptera frugiperda, armyworm, prodenia litura and the like.

The present application relates to the field of biological control, and discloses screening of entomogenous fungi with high pathogenicity to Spodoptera litura and application of the fungi in combination with emamectin benzoate. The high-toxicity strain of Penicillium polonicum for Spodoptera litura is collected from cotton fields in Qapqal County, Xinjiang Uygur Autonomous Region. Furthermore, an efficient, pollution-free and residue-free insecticide with synergistic effect, emamectin benzoate and Penicillium polonicum, is provided. The present application finds that the insecticide can exhibit significant synergistic effect, improve the control effect, and significantly reduce the dosage of the single chemical pesticide and the environmental pollution by studying the combination effect of emamectin benzoate and Penicillium polonicum.

The invention discloses an identification method for variable splicing of a smelly spodoptera frugiperda antenna odor receptor gene and application of the identification method. According to the invention, the variable spliceosome protein of the key OR gene of the antenna is obtained by constructing a standardized identification method comprising'full-length transcriptome sequencing, bioinformatics screening, PCR amplification verification and sequencing verification, and sequence comparison ', and electrophysiologically active compounds are efficiently screened by taking the variable spliceosome protein as a target spot; the problems that in an existing prevention and control technology, a target spot cannot be accurately positioned, and the active compound screening efficiency is low are solved, and a molecular basis and technical support are provided for targeted interference of smelly recognition behaviors of spodoptera frugiperda and research and development of a novel pest prevention and control technology.

The application provides application of ursolic acid lactone in prevention and treatment of Spodoptera exigua, and relates to the technical field of pest control. The ursolic acid lactone can produce significant antifeedant effect on Spodoptera exigua at a certain concentration, can inhibit the growth of Spodoptera exigua larvae to a certain extent, and can even cause the death of Spodoptera exigua larvae, and can be used as a new Spodoptera exigua control agent. The present application overcomes the shortcomings of the prior art, and the plant source extract component, i.e. ursolic acid lactone, can effectively control Spodoptera exigua, and the component is green and safe, reduces environmental pollution, and has a good prospect in the development of Spodoptera exigua control agents.