12 results about "Helicoverpa armigera" patented technology

The invention discloses a fruit-piercing moth food attractant for orchard pest prevention and control, and belongs to the technical field of green prevention and control of agricultural pests. The invention provides application of tetrandrine in preparation of a fruit-piercing moth food attractant, and saccharides, organic acid and a water-soluble gel matrix are added as auxiliary components. A trapper containing the fruit-piercing moth food attractant is hung in an orchard, it is found that the fruit-piercing moth food attractant can efficiently trap fruit-piercing moths, damage of pests to fruits is reduced, and the trapping effect is obviously better than that of traditional sweet and sour liquid. According to the method, low-value materials are utilized, the cost is low, the operation is simple, the population density of fruit-piercing moths in the orchard can be effectively reduced, the fruit loss of the orchard is reduced, and the method has a positive promotion effect on the development of the fruit industry.

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 application discloses an extract of Marchantia paleacea with insect antifeedant activity, a preparation method and application thereof, and belongs to the field of pest repellents. Radula complanata The application carries out research on insect antifeedant activity of Marchantia paleacea, extracts by heating and refluxing, extracts by different polar solvents, obtains petroleum ether phase, ethyl acetate phase, n-butanol phase and water phase, and carries out screening on the antifeedant activity by using Plutella xylostella and Helicoverpa armigera, researches show that each phase extract of Marchantia paleacea contains insect antifeedant activity, especially the petroleum ether phase and the ethyl acetate phase have the highest antifeedant activity on Plutella xylostella, and a new idea is provided for biological control.

Disclosed are the H. zea nudivirus sequence, two additional related sequences from H. virescens and H. armigera nudiviruses for development of genetically modified nudiviruses capable of being sexually transmitted by an insect useful for controlling pest populations, methods for preparing egg populations for controlling pest populations and methods for controlling pest populations utilizing such egg populations. Such genetically modified nudiviruses are capable of causing sterility in a target population of insects. Previously disclosed were insects infected with the previously disclosed genetically modified H. zea nudivirus, methods of making genetically modified nudiviruses, and methods of using genetically modified nudiviruses to control an insect pest population.

The invention relates to the technical field of preparation of isoxazoline derivatives, in particular to preparation and application of an isoxazoline derivative containing an oxime ether structure, the structural formula of the isoxazoline derivative containing the oxime ether structure is shown as a general formula I. In the formula, R1, R2 and R3 are hydrogen, halogen, cyano, nitro, trifluoromethyl, alkoxy or alkyl; r4 is hydrogen, halogen, cyano, nitro, C1-C6 alkyl, substituted benzyl, naphthenic base or heterocyclic ring; the isoxazoline derivative containing the oxime ether structure, disclosed by the invention, can be used for preventing and treating major lepidoptera agricultural pests, such as plutella xylostella, spodoptera frugiperda, ostrinia nubilalis, helicoverpa armigera, mythimna septemmina and the like. The isoxazoline derivative containing the oxime ether structure disclosed by the invention can be used for preventing and treating major lepidoptera agricultural pests, such as the plutella xylostella, the spodoptera frugiperda, the ostrinia nubilalis, the helicoverpa armigera, the mythimna septemmina and the like.

The application relates to the technical field of pesticide chemistry, and discloses a phenyl isoxazole derivative containing a triazole ring as well as a preparation method and application thereof. The phenyl isoxazole derivative containing the triazole ring has the structural formula: The phenyl isoxazole derivative containing the triazole ring provided by the application has good insecticidal activity on agricultural pests such as Plutella xylostella, Spodoptera frugiperda, Helicoverpa armigera, Ostrinia nubilalis, and aphids when the concentration is 50 mu g / mL. Therefore, the phenyl isoxazole derivative containing the triazole ring provided by the application can be applied to the prevention and control of agricultural pests as an active pesticide ingredient.

The invention discloses a cotton bollworm source pediococcus acidilactici with gossypol degradation capability and application thereof, and belongs to the technical field of microorganisms, the cotton bollworm source pediococcus acidilactici with gossypol degradation capability is classified and named as JYM-1, the preservation unit is China Center for Type Culture Collection, the preservation number is CCTCCM2025009, and the preservation number is CCTCCM2025009. The 16SrDNA sequence of the cotton bollworm source pediococcus acidilactici is as shown in SEQ ID NO: 1. Probiotics capable of degrading gossypol are separated from intestinal tracts of cotton bollworms, the probiotic characteristics and safety of the probiotics are evaluated through tests of gossypol tolerance, gossypol detoxification capacity, antioxidant capacity, bacteriostatic activity, gastrointestinal stability, antibiotic sensitivity, non-hemolysis and the like, and the nutritional quality of the cottonseed meal can be remarkably improved by fermenting the cottonseed meal with the probiotics. The achievement of the invention provides a new method for improving the safety and nutritional value of the cottonseed meal as the feed, and is also beneficial to developing new probiotic resources and promoting the innovative development of the feed industry.

The invention discloses an Aspergillus ochraceus Slt L1 strain and application thereof. The Aspergillus ochraceus Slt L1 strain has the morphological characteristics that after the Aspergillus ochraceus Slt L1 strain is cultured on a PDA culture medium for 7 days, typical Aspergillus ochraceus colony characteristics are formed, hyphae are separated and branched, conidiophore is upright, and conidia are spherical to nearly spherical. The prodenia litura strain has obvious pathogenicity to prodenia litura eggs, can lead to 100% of egg death rate, and has wide metabolic adaptability and environmental tolerance. Through the determination of a Biolog phenotype chip system, the bacterium can efficiently utilize a carbon source, a nitrogen source, a phosphorus source, a sulfur source and a plurality of biosynthetic pathways, and can keep the growth activity under the extreme conditions of osmotic pressure and pH. The microbial inoculum can be used for biological control of prodenia litura, and has the characteristics of greenness, high efficiency, environmental friendliness and the like.

The invention provides a biological determination method for determining resistance of VIP3A gene-modified corn grassland spodoptera frugiperda based on a feed blending method, and relates to the technical field of determination of insect resistance of transgenic insect-resistant corn, and the biological determination method comprises the following three steps: preparing a sample, preparing a toxic feed, setting a control group, and performing biological determination and data acquisition. According to the method, highly uniform distribution of test substances in the feed is realized in a powder mixing manner, so that accurate dose effect analysis can be carried out, meanwhile, the steps of protein extraction, purification and substantial equivalence analysis are omitted, the process is simplified, and the cost is reduced. The method has the advantages that the method is particularly suitable for early-stage and rapid high-throughput screening of a large number of transgenic breeding materials, the real situation that pests eat transgenic plants in the field is simulated to the greatest extent under controllable experimental conditions, and the evaluation result has higher predictive value. The actual resistance performance of the pests in the field is more truly reflected.

The invention discloses bacillus YB87 and application thereof, and belongs to the technical field of insecticides. The invention provides bacillus with lepidoptera pest killing resistance. The bacillus mainly has insecticidal activity on resistant diamondback moth second-instar larvae, beet armyworm second-instar larvae, prodenia litura second-instar larvae, resistant rice-stem borer second-instar larvae and cotton bollworm second-instar larvae. The strain is collected from soil in high mountainous areas in Yunnan province, is named as bacillus YB87, is preserved in China General Microbiological Culture Collection Center (CGMCC) on March 17, 2025, and has a preservation number of CGMCC NO.33854. Insect bodies treated by the bacillus YB87 crystal protein are rigid and dead, which indicates that the bacillus YB87 crystal protein has a strong lethal effect on resistant plutella xylostella, prodenia litura, beet armyworm, resistant rice-stem borer and cotton bollworm larvae.

The invention belongs to the technical field of pesticides, and particularly relates to a fused heterocyclic compound, a preparation method thereof, an insecticidal composition and application. The compound is shown as a general formula I, Q1 and Q2 independently represent N or CR8 respectively, and Q1 and Q2 are not N at the same time; q3 represents O or NR9; q4 represents O, S or CR10R11; r5 represents-S (O) nR21; r1, R2, R3, R4, R6, R7, R8, R10, and R11 each independently represent hydrogen, halogen, an alkyl group, or the like; r9 represents hydrogen, an alkyl group, a haloalkyl group, an alkenyl group, or the like; the compound has excellent prevention and treatment effects on spodoptera frugiperda, armyworm, prodenia litura, brown planthopper, rhopalosiphum padi and the like.

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;