150 results about "Aphis" patented technology

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 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 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 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 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 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 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 application discloses a sorghum aphid repellent, wherein the efficacy component is trans-2-decenal, and the trans-2-decenal can be configured into a liquid paraffin solution of trans-2-decenal for use, preferably a liquid paraffin solution of 0.1 mu g / mu L-0.5 mu g / mu L trans-2-decenal. The sorghum aphid repellent is prepared from existing chemical products, the components are stable, the preparation method is simple, the repellent effect on the sorghum aphid is obvious, and the sorghum aphid repellent is expected to be used in the prevention and control of the sorghum aphid. The repellent can be used for preventing the harm of the sorghum aphid, the compound in the application is an industrial raw material, the preparation method is simple, the price is low, the compound is safe for human and livestock, and the environment is not polluted, so the application has a wide application prospect.

The application discloses a pinene analogue containing an ester group and preparation and application thereof, and belongs to the field of agricultural chemicals. The pinene analogue containing the ester group provided by the application has a structural formula as shown in formula I: the application obtains a pinene analogue containing an ester group by esterification modification of an aphid alarm pheromone pinene; through biological activity research, it is found that the compound has double functions of repelling aphids and attracting natural enemies of the aphids, and has a good application prospect in green prevention and control of the aphids.

The present disclosure relates to insecticidal combinations and compositions comprising two or more insecticide compounds. Particularly, the present disclosure provides insecticidal combinations for controlling insect pest selected from aphids, jassids, and whiteflies in crops such as cotton and okra. The disclosure also relates to corresponding methods and uses thereof.

This invention belongs to the field of pharmaceutical synthesis technology, specifically relating to indomethacin derivatives, their synthesis methods, and applications. The derivatives possess the chemical structures described in formulas (I), (II), and (III). This invention is the first to propose a series of novel indomethacin derivatives. Furthermore, this invention also proposes a synthesis method for indomethacin derivatives, using 5-hydroxy-1-indanone as a base material, to obtain the indomethacin derivatives of this invention through a series of reactions. This synthesis method yields high-yield products that are easily separated, making it the optimal method for preparing the indomethacin derivatives of this invention. Bioassays have confirmed that the indomethacin derivatives provided by this invention exhibit good toxic activity against aphids, spider mites, and armyworms, and can be applied to the control of plant pests.

The invention discloses a whole-cycle green comprehensive management method for waxberries, and belongs to the technical field of agricultural planting. According to the method, the compound microorganism fertilizer is applied underground, mineral oil is continuously sprayed on the ground in multiple growth stages to prevent and control aphids, whiteflies and scale insects, and multiple biostimulant combinations are accurately sprayed in the key phenological stage to comprehensively improve the quality of leaves and fruits. And the problems of demulsification, flocculation and phytotoxicity of mineral oil caused by water hardness in traditional mixing are effectively solved through an innovative barrel mixing process. According to the method, three technical means are systematically integrated to form a synergistic green management system, the problems that in traditional waxberry planting, chemical pesticide dependence is high, and the contradiction between pest control and quality improvement is prominent are effectively solved, and efficient, high-quality and sustainable development of waxberry production is achieved.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

This invention relates to the field of pest control technology, and discloses a double-stranded RNA and its application in the control of citrus aphids. The double-stranded RNA comprises a double-stranded RNA consisting of the nucleotide sequence shown in SEQ ID NO:2 and its reverse complementary nucleotide sequence; the nucleic acid molecule encoding the double-stranded RNA is shown in SEQ ID NO:1 or SEQ ID NO:3. The double-stranded RNA provided by this invention can simultaneously target the chitin synthase gene, cytochrome P450 monooxygenase gene, and epidermal protein gene of the brown citrus aphid, and simultaneously silence the expression of these three key genes through an RNA interference mechanism, leading to inhibited growth and development or death of the brown citrus aphid. Therefore, the double-stranded RNA provided by this invention can efficiently and specifically control the brown citrus aphid; it can reduce the use of chemical pesticides, is green and environmentally friendly, and safe and harmless.

This invention provides a leaf moisturizing device for indoor aphid experiments, comprising: a cup body and a cup lid. The cup lid covers the top of the cup body, and a cup lid hole is provided at the center of the top of the cup lid. A water storage tube protruding upwards is installed on the cup lid hole. A high-density sponge is installed at the bottom opening of the water storage tube. The plant leaf stem or the entire plant stem is placed inside the high-density sponge, and the plant leaf stem or the entire plant stem extends downwards into the cup body. Nutrient solution is loaded in the water storage tube above the high-density sponge. This leaf moisturizing device for indoor aphid experiments has a simple structure and is easy to install and use. It can solve the problem of insufficient leaf moisturizing time and leaf wilting caused by ordinary leaf disc methods. It can also solve the problem of aphids dying after escaping and coming into contact with the liquid, thus affecting the statistics. It is especially suitable for the early effect exploration and coarse screening of large quantities of raw materials and agents, and for situations requiring a large number of treatment groups.

The invention relates to the technical field of pest resistance identification, and discloses a rapid identification method for resistance of broad beans to aphids. Insect inoculation and observation are carried out under the manual control condition, the problems of uneven population density and the like in the natural environment are avoided, the identification period is shortened, only several days to several weeks are needed from insect inoculation to obtaining of a reliable identification result, compared with several months in the prior art, the efficiency is greatly improved, and the method is suitable for large-scale popularization and application. Manual control conditions can ensure that environmental conditions of each experiment are consistent, interference of environmental factors on experiment results is reduced, meanwhile, strict experiment operation and a data processing method also improve the accuracy and repeatability of the results, the identification results are more reliable, operation is relatively simple and convenient, complex equipment and a large amount of labor force are not needed, and the method is suitable for large-scale popularization and application. And the identification process can be completed only by carrying out simple insect inoculation and observation recording work in a manually controlled environment.

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 wheat aphid-resistant gene TaAHL19, its application, and a method for obtaining aphid-resistant wheat varieties. The nucleotide sequence of the wheat aphid-resistant gene TaAHL19 is shown in SEQ ID NO.1. The amino acid sequence encoded by the wheat aphid-resistant gene TaAHL19 is shown in SEQ ID NO.2. In this invention, overexpression of the TaAHL19 gene in wheat plants promotes the accumulation of rutin, an insect-resistant flavonoid, in wheat plants, thereby increasing the resistance of wheat plants to aphids without affecting wheat yield.

The present invention relates to natural or natural-like analogues of insect pyrokinin neuropeptide [Pyr]-AIMARPQVPRL-[NH2](SEQ ID NO:2) having activity against insects, for example hemipteran, dipteran, lepidopteran, blattodean and / or coleopteran insects, such as aphids, moths and fruit flies, and their use as insect control agents (e.g. insecticides) and plant protection agents.