224 results about "Aphis" patented technology

The invention belongs to the technical field of gallnut artificial cultivation, and particularly relates to a method for cultivating gall flowers by using hamburger as a winter host of rhus chinensis gall flower autumn migrant aphids and application, and the method comprises the steps of S1, winter host hamburger planting, S2, gall flower autumn migrant aphid migration, S3, gall flower overwintering aphid collection, and S4, gall flower cultivation. Compared with the prior art, the method has the advantages that the hamburger is used as a winter host of the gall flower aphids, artificial cultivation of the gall flowers is achieved, and the technical problem of how to achieve artificial cultivation of the gall flowers, increase the yield of the gall flowers and further increase the yield of the gallnuts by artificially breeding the gall flower aphids is solved.

The invention discloses an aphid honeydew discharge behavior identification method based on spatio-temporal feature adaptive fusion. The method comprises the following steps: collecting video data of aphids in a natural feeding environment; performing spatio-temporal feature extraction on the original video data by adopting a time sequence weighted frame difference adaptive fusion framework to obtain a motion feature map, inputting the motion feature map into the trained FGC-YOLO small target fine behavior detection model for detection, and outputting a box-selected aphid behavior category result identifier; and carrying out post-processing on an output result of the FGC-YOLO small target fine behavior detection model, and realizing honeydew discharge behavior identification through a dynamic double-cache interpolation mechanism and a composite behavior dynamic judgment algorithm. The method is high in detection precision and good in real-time performance, effectively solves the problems of low aphid honey dew analysis efficiency, poor real-time performance, complex operation and the like through spatial-temporal feature fusion and multi-module cooperation, and is expected to provide technical support for aphid feeding behavior monitoring and pest prevention and control.

The invention belongs to the technical field of molecular marker assisted breeding, and particularly relates to a fresh sweet corn aphid resistance related SNP site combination and application thereof. The SNP (Single Nucleotide Polymorphism) site combination of the aphid-resistant fresh sweet corn comprises an S4174685152 positioned on a chromosome 4, and an S5207733210 and an S5207734430 positioned on a chromosome 5. The developed aphid-resistant functional breeding marker site combination for the fresh-eating sweet corn can assist in breeding of the fresh-eating corn, rapid detection and early detection are achieved, the resistance of the fresh-eating sweet corn to the corn aphid can be predicted only by detecting the genotype of a specific site, and the aphid-resistant functional breeding marker site combination has the advantages of being clear in selection target, easy and convenient to operate and not affected by the environment. The invention provides an effective way for efficient breeding of fresh sweet corn.

The invention relates to the field of image processing, in particular to a small target aphid identification method and device, equipment and a medium. The method comprises the following steps: firstly, acquiring a to-be-processed crop leaf image, and inputting the to-be-processed crop leaf image into a pre-trained small target aphid identification model; according to the model, an image is processed, and a detection frame set of an aphid target and a continuous density map reflecting the spatial aggregation intensity of the aphid target are synchronously output. The training process of the model comprises the steps that farmland scene images are collected, double-label collaborative labeling is carried out, and bounding box labels and continuous density map labels are generated; training a preset model by using the labeled data, wherein the model has multi-scale feature extraction and fusion capabilities; model parameters are optimized through a loss function, an identification model capable of completing target detection and density estimation at the same time is finally obtained, and the detection capacity of small target aphids under the complex background is improved.

The application provides a method for preventing and controlling plant aphids, and the specific steps are as follows: selecting plant germination seeds that have grown roots and the root length is 2-6 cm, applying a light cycle treatment of 8h light and 16h darkness in the growth process of the plant germination seeds; in the plant germination seeds, the seed sources include legumes and cruciferous vegetables; and in the growth process of the plant germination seeds, a boron-containing nutrient solution containing the following components is used: Ca(NO3)2.4H2O 4mM, KH2PO4 1mM, KCl 1mM, MgSO4.7H2O 2mM, K2SO40.5mM, FeSO4.7H2O 50μM, EDTA.Na2 50μM, MnCl2 10μM, ZnSO4.7H2O 5μM, CuSO4.5H2O 0.5μM, (NH4)6Mo7O 24 4H2O 1μM, H3BO3 35-70μM, CoCl20.5μM; the nutrient elements are applied according to the following steps: (1) the first boron-containing nutrient solution is used for 1-5d, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; (2) the second boron-containing nutrient solution is used for 6-15d, and the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The invention discloses a three-color composite mulching film and a preparation method thereof. The three-color composite mulching film comprises a transparent bottom layer, a middle black layer, a surface silver layer and a transparent layer located in the middle of the film. The transparent bottom layer has hydrophilicity, and does not form dewdrops on the surface of the film layer to reflect sunlight, so that the light transmittance of the mulching film is effectively increased, and the ground temperature and the soil energy storage are improved. And the middle black layer can efficiently block light rays and can effectively inhibit growth of various weeds. The surface silver layer can highly reflect sunlight, can improve photosynthesis of bottom leaves of crops, and can avoid aphids at the same time.

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 discloses a method for preventing and controlling aphids in a seedling stage by using predatory mites, which comprises the following steps of: inoculating latheelaelalaelaps wholei serving as the predatory mites on crop seedlings to prevent and control aphid harm. The invention finds and verifies that the latheelaelalaelaps wholei has obvious predation and control effects on the aphids in the seedling stage for the first time, provides a brand-new and efficient biocontrol natural enemy resource for biological control of the aphids, has important ecological and economic values, is suitable for prevention and control of the aphids in the seedling stage of various crops, and has good popularization and application prospects.

The invention provides an Indian kalimeris herb extract for controlling aphids and a preparation method and application thereof, and belongs to the technical field of biological control. The preparation method of the Indian kalimeris herb extract comprises the following steps: mixing Indian kalimeris herb with an organic solvent, performing ultrasonic extraction, filtering, collecting filtrate, and concentrating to obtain the Indian kalimeris herb extract. Potting and field experiments prove that the Indian kalimeris herb extract prepared by the invention has an obvious control effect on cotton aphids and cotton black aphids.

The invention relates to a fluazinam-containing pesticide composition, a seed treatment suspending agent as well as a preparation method and application of the seed treatment suspending agent. The invention provides a fluazinam-containing pesticide composition. The active ingredients of the fluazinam-containing pesticide composition comprise fluazinam, fludioxonil and clothianidin, the mass ratio of the clothianidin to the fluazinam to the fludioxonil is (6-7): (0.4-0.8): (0.2-0.6), and the composition has an excellent synergistic effect. The suspending agent for seed treatment is compounded with a film-forming agent composed of acrylate and polydimethylsiloxane according to a specific proportion, it can be ensured that seed coats are not prone to falling off after being coated, meanwhile, adjustment can be conducted according to environmental adaptability, a coating layer is evenly mixed with a pesticide and pigment, the release time of effective components of pesticides is prolonged, and the pesticide effect is improved. The problem of seed coating fading is effectively solved, and the pesticide composition has an excellent effect in prevention and treatment of agricultural diseases such as peanut root rot, grub, wheat stem rot and aphid.

The present invention relates to insect neuropeptide compounds of the family of pyroglutamic peptides and analogs thereof having activity against insects, such as Hemiptera, Diptera, Lepidoptera, Blattaria and / or Coleoptera insects, such as aphids and fruit flies, and their use as insect control agents (e.g. insecticides) and plant protection agents.

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 invention belongs to the technical field of cosmetics, and discloses an avocado fermentation composition as well as a preparation method and application thereof. The composition comprises 1%-10% of avocado fermentation filtrate, 0.1%-2% of alpha-glucan oligosaccharide, 0.1%-2% of a wild chrysanthemum flower extract, 3%-8% of a humectant, 0.01%-0.1% of a chelating agent and the balance of deionized water. Wherein the avocado fermentation filtrate is prepared by compound fermentation of aphid torulopsis and candida and is rich in oligopeptide, free amino acid, lactic acid and polyphenol. According to the invention, the filtrate obtained by fermenting avocado with a specific composite strain is scientifically compounded with prebiotics with definite flora selectivity to construct a multifunctional composition with definite structure, synergistic function and high stability; the composition not only provides direct barrier repairing and moisturizing effects, but also actively guides skin micro-ecology to succession to a healthy steady state through nutrition intervention, so that the skin health level is synchronously improved in the two dimensions of molecules and ecology.

The invention relates to application of limonin as a pesticide synergistic aid in prevention and control of corn pests, which utilizes the characteristic that low-concentration limonin has a remarkable synergistic effect on chemical pesticides, 0.5-4g / mL limonin, 5% chlorantraniliprole and 25% thiamethoxam are mixed for use, so that the lethal medium concentration (LC50) of the limonin to corn borers, corn aphids and rhopalosiphum padi can be remarkably reduced; the insecticidal effect of chlorantraniliprole on corn borer and the insecticidal effect of thiamethoxam on aphid are improved. A field pesticide effect test also shows that the field prevention and control effect of the pesticide on Lepidoptera pests such as ostrinia nubilalis is remarkably improved by mixing 4 g / mL of limonin and 5% of chlorantraniliprole, the actual field dosage of chemical pesticides is reduced, the purposes of pesticide reduction and synergism are achieved, and a positive effect is achieved on comprehensive prevention and control of the field pests.

The invention discloses application of a corn RTA9 gene in enhancing aphid resistance of plants in the technical field of plant genetic engineering, a CDS sequence of the corn RTA9 gene is shown as SEQ ID NO.1, an amino acid sequence for coding the corn RTA9 gene is shown as SEQ ID NO.2, subcellular localization shows that RTA9 is mainly localized in mitochondria, and it is known through research of the invention that the corn RTA9 gene can be used for improving aphid resistance of plants. The function deletion of the RTA9 gene weakens the capability of producing ROS (reactive oxygen species) in response to aphid infection of the corn, so that the aphid resistance of the corn is reduced. The content of ROS (reactive oxygen species) in cells can be remarkably increased by overexpressing RTA9 in corn, meanwhile, the aphid resistance of corn is improved, and a theoretical basis and gene resources are provided for developing aphid-resistant crop strains.

The invention relates to a method for analyzing effective components of a flonicamid-veratrine compound preparation. The effective components flonicamid and veratrine in the compound preparation are quantitatively analyzed at the same time by a high performance liquid chromatography external standard method. The binary compound insecticide taking the flonicamid and the veratrine as the effective components has an obvious synergistic effect, is good in fast-acting property and persistent effect and relatively small in dosage of the effective components, reduces the production cost, and is suitable for preventing and treating aphids on cucumber crops.

The invention discloses a composition for repelling aphids and preventing potato Y virus infection and a virus and insect inhibitor, and belongs to the technical field of plant disease prevention and control. The pharmaceutical composition provided by the invention is prepared from at least two of 1-pentene-3-ketone, 2-ethyl furan and cis-4-heptenal, and the pharmaceutical composition is prepared from at least two of 1-pentene-3-ketone, 2-ethyl furan and cis-4-heptenal. The pharmaceutical composition not only can avoid aphids and reduce the probability that crops are infected by potato Y viruses, but also can realize the synergistic interaction among the drugs and avoid or reduce the drug resistance of the aphids to the drugs, so that the pharmaceutical composition has important practical value and application prospect in the technical field of plant disease control.

The present invention relates to a mixture of volatile organic compounds (VOCs) for insect repellency, in particular for aphids, which comprises as VOCs at least linalool and eugenol. The invention also relates to an insect repellent composition comprising said mixture, and its use in agriculture, in particular in fields for protecting plants against damage caused by insect pests.

The utility model discloses an aphid evading device in the technical field of aphid evading, which comprises a stainless steel barrel, the top of the stainless steel barrel is fixedly connected with a barrel cover through bolts, the middle of the bottom of the stainless steel barrel is fixedly connected with an electric heating plate, the middle of the top of the barrel cover is fixedly connected with a mounting pipe, and the mounting pipe is fixedly connected with an electric heating plate. A mounting pipe is fixedly connected to the top of the barrel cover, a high-temperature-resistant plastic fan is fixedly connected to the inner cavity wall of the mounting pipe, a U-shaped mounting frame is fixedly connected to the top of the barrel cover, an L-shaped pipe is rotatably connected to the middle of the top of the U-shaped mounting frame, and the top end of the mounting pipe is inserted into an inner cavity of the L-shaped pipe. According to the liquid level detection device for the repellent, the volatilization rate of the repellent in use can be increased, the distribution range of the repellent is expanded, meanwhile, distribution is more uniform, and therefore the repellent effect is improved, the liquid level height of the repellent can be detected in the use process, and the safety in the use process is guaranteed while the continuity of the repellent effect is guaranteed.

The invention relates to the technical field of agricultural equipment, and discloses an agricultural leaf vegetable insect suction plant protection device which comprises a moving device, a pesticide module is arranged on the moving device, a pesticide spraying module communicated with the pesticide module is installed on the moving device, and the pesticide spraying module is provided with a plurality of adjustable output ends. According to the device, a collaborative operation system of a low-temperature atomization branch, a pesticide spraying pipe and the pest sucking module is innovatively constructed, the pest catching efficiency is enhanced from multiple links, the low-temperature atomization branch cools, atomizes and sprays out a pesticide, the pesticide spraying pipe sprays out the pesticide, the pesticide spraying pipe sprays out the pesticide, the pesticide spraying pipe sprays out the pesticide, and the pest sucking module sprays out the pesticide. Pests such as aphids and cabbage caterpillars are enabled to quickly enter a'cold paralysis' state by utilizing low temperature, nerve conduction and muscle contraction of the pests are inhibited due to low temperature, the action ability is obviously slowed down, and the possibility of active escape is reduced; and the killing is realized by more sufficient attachment and permeation.

The invention provides a high-precision aphid identification and counting method in a mobile computing scene, and relates to the technical field of agricultural pest intelligent monitoring, and the method comprises the steps: taking a monitored plant as a center, collecting a plurality of groups of visible light images and depth images along an annular path, and constructing a plant three-dimensional point cloud model through coordinate registration and point cloud fusion; segmenting and extracting independent blade units by adopting a self-adaptive region growing algorithm, and carrying out plane fitting and two-dimensional projection to generate a blade emmetronized image; recognizing the envisaged image through a pre-trained aphid recognition model to obtain an aphid bounding box set and a fine-grained category; establishing a mapping relationship between the three-dimensional point cloud and the two-dimensional image, and mapping the bounding box back to the three-dimensional point cloud to obtain an aphid candidate point set; and carrying out double-constrained three-dimensional clustering by utilizing spatial Euclidean distance and fine-grained category label consistency, and screening and marking independent aphid individuals. The method can realize high-precision aphid identification and counting, and can be widely applied to the field of agricultural pest intelligent monitoring.

The invention discloses a CAPS molecular marker for identifying aphid resistance of sorghum and application of the CAPS molecular marker, and belongs to the technical field of molecular marker-assisted breeding. A DNA sequence is analyzed through whole genome re-sequencing, SNP sites related to the sorghum aphid resistance character are recognized and developed into a CAPS molecular marker, a primer pair used for amplifying the molecular marker is designed, genome DNA of sorghum seedlings is subjected to PCR amplification through the primer pair, an amplification product is obtained, the amplification product is subjected to enzyme digestion through restriction enzyme, and the sorghum aphid resistance character is obtained. Whether the sorghum has aphid resistance is distinguished according to the obtained enzyme digestion product, so that the purpose of identifying the aphid resistance of the sorghum more quickly and accurately is achieved, and a new molecular marker resource is provided for marker-assisted selection of aphid-resistant sorghum; the method is of great significance to development of effective aphid prevention and control measures and cultivation of broad-spectrum, stable, efficient and durable aphid-resistant varieties.

The application provides a Lecanicillium attenuatum strain and application thereof, the classification and name of the strain are LIO314, which has been preserved in the China Center for Type Culture Collection on June 18, 2025. Lecanicillium aphanocladii The address for preservation is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20251419. Research shows that the strain exhibits significant inhibitory effect on plant pathogenic fungi such as Fusarium graminearum and Colletotrichum gloeosporoides, can efficiently kill pepper aphids, has nitrogen fixation, potassium and starch decomposition activities, can significantly promote the growth of rice, wheat and lettuce seedlings, can be used as an efficient, environment-friendly and low-cost biological control agent, simultaneously has plant growth regulation function, can be used as a biological bacteria organic fertilizer, and has wide development and utilization value and application prospect in agricultural production.

This invention discloses the application of plant extract saponins in aphid control and an aphidicide, belonging to the field of pesticides. This invention provides a novel plant-derived pesticide with aphid-killing activity, contributing to reducing aphid resistance and the use of chemical pesticides. Furthermore, the aphidicide prepared from plant extract saponins exhibits comparable aphid-killing efficacy to other commercial aphidicides, demonstrating broad development prospects and application value. It is an effective and feasible new aphidicide. Simultaneously, plant extract saponins are widely available and have a simple preparation process, which helps reduce the cost of aphidicides and facilitates widespread adoption.

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 relates to the technical field of biological prevention and control of agricultural pests, and discloses a preparation method of a vegetable aphid biological insecticide based on an artemisia frigida extract. The preparation method comprises the following steps: S1, collecting raw materials: selecting stems and leaves of the overground part of fresh artemisia frigida, and cleaning for later use; s2, crushing treatment: crushing the cleaned stems and leaves of the artemisia frigida to obtain artemisia frigida powder; s3, extraction: inorganic extraction: weighing 100g of cold artemisia powder, adding 500ml 1% alcohol and 500ml 1% sodium carbonate, mixing, performing inorganic extraction, filtering after the inorganic extraction is completed, and collecting an inorganic extracting solution; organic extraction: taking 20ml of terpenoid substances, mixing with 60g of vegetable protein, and stirring for 15 hours to complete organic extraction, so as to obtain an organic extracting solution; and mixing and extracting: combining the inorganic extracting solution and the organic extracting solution, adding 15kg of water, and uniformly stirring. According to the preparation method and application of the artemisia frigida extract-based vegetable aphid biological insecticide, the biological insecticide has an efficient prevention and treatment effect on aphids on vegetables such as cucumbers, eggplants and peppers, and the harm of the aphids to the vegetables can be effectively reduced.

The invention discloses a plant insect repellant, which is prepared from the following raw materials: euphorbia thymifolia, wedelia chinensis, humifuse euphorbia herb, wormwood, kudzu vine, four-leaf rattan, Chinese arrowroot herb, red-knees herb, wild chrysanthemum flower and spanishneedles herb. The plant insect repellant has good prevention and treatment effects on aphids, does not pollute soil and environment, and has no side effects on human and livestock.

The present application belongs to the technical field of artificial propagation of natural enemy insects and biological control of agricultural pests, and discloses a method for mixed feeding of two kinds of aphid parasitic wasps, which mainly has the following technical features: the steps include breeding of host plants, inoculation and propagation of aphids, obtaining and inoculation of two kinds of aphid parasitic wasp eggs, collection of parasitic wasps, removal of impurities, and separation of the two kinds of parasitic wasps. The method for mixed feeding of two kinds of aphid parasitic wasps provided by the present application inoculates two kinds of parasitic natural enemies, i.e. Aphidius gifuensis and Encarsia spp., at different time periods, improves the parasitic efficiency of single wasps, avoids interspecific competition between adult wasps, collects the two kinds of parasitic wasps at the same time, and saves manpower and material resources.

The invention relates to a pesticide preparation for preventing and treating aphids on apple trees, which is prepared from neonicotinoid insecticides, pyrethroid insecticides, cosolvents, synergists, nano silicon dioxide dispersing agents, organic silicon surfactants, sodium lignin sulfonate, penetrating agents JFC, xanthan gum and deionized water. A nano silicon dioxide dispersing agent is sprayed on apple leaves to construct a micro-rough surface, the contact area of the liquid medicine and the apple leaves is increased, the sprayed liquid medicine is prevented from rapidly sliding off from the apple leaves, the adhesion of the liquid medicine to the apple leaves is enhanced, meanwhile, an organic silicon surfactant can reduce the surface tension value of the liquid medicine, and the effect of preventing the liquid medicine from falling off is achieved. The problem that the aphid control effect is affected due to the poor attachment effect after the traditional pesticide is sprayed is avoided as far as possible.