73 results about "Aphid" patented technology

The invention provides a fusarium oxysporum FOZJ2024 strain and an application of the fusarium oxysporum FOZJ2024 strain. The strain is preserved in Guangdong Province Microbial Culture Collection Center on November 20, 2024, the preservation number is GDMCC No: 65511, the preservation address is the fifth floor of building 59, No.100 Courtyard, Xianlie Middle Road, Guangzhou City, and the strain has an excellent killing effect on crape myrtle leaf aphid, mealybug, Spodoptera frugiperda and Solenopsis invicta, and is suitable for preventing and treating plant insect pests and agriculture and forestry harms caused by the crape myrtle leaf aphid, mealybug, Spodoptera frugiperda and Solenopsis invicta.

The invention belongs to the technical field of insect prevention and control, and particularly discloses an Mscht9 gene of sorghum aphid, application of the Mscht9 gene and a method for preventing and controlling the sorghum aphid. According to the present invention, the life activity of the sorghum aphid is inhibited through the leaf uptake nucleotide sequence such as the dsRNA sequence represented by SEQ ID NO.1, such that the sorghum aphid prevention and control effect is achieved, and the advantages of efficient gene specific interference, environmental protection and the like are provided.

The present invention relates to natural or natural-like analogues of insect pyrokinin neuropeptides and AKH neuropeptides, and combinations thereof, 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.

The invention provides an insecticide delivery preparation based on binary synergistic nanoparticles and a preparation method thereof, an IMI (at) AgNPs (at) CMSNs compound is prepared, and the binary system remarkably overcomes the drug resistance of cotton aphid to imidacloprid by integrating silver nanoparticles (AgNPs) and mesoporous silica nanoparticles (MSNs).

The present application relates to the field of insect control, and particularly relates to a SIRT1 gene of Rhopalosiphum padi and application thereof and a method for controlling Rhopalosiphum padi. The gene encodes a protein with an amino acid sequence as shown in SEQ ID NO: 2. The present application finds that the SIRT1 gene plays a role in the growth and development of Rhopalosiphum padi. Inhibition of the expression of SIRT1 can significantly increase the mortality rate of Rhopalosiphum padi nymphs, significantly reduce the proportion of winged aphids, and ultimately cause the population to decline and the toxin transmission ability to weaken. By using RNA interference technology, it is found that inhibition of the expression of the SIRT1 gene of Rhopalosiphum padi can significantly increase the mortality rate of the nymphs, and significantly reduce the proportion of winged adults after development. In addition, by spraying dsRNA of the SIRT1 gene interference sequence of Rhopalosiphum padi encapsulated by a nano material, the mortality rate of the Rhopalosiphum padi nymphs is significantly increased.

The utility model belongs to the technical field of winged aphid trapping and killing, and particularly relates to a winged aphid trapping and killing device which comprises a bearing plate, trapping and killing assemblies are arranged on the two sides of the bearing plate, first ground inserting rods are fixedly installed at the two ends of the bottom of the bearing plate, and reinforcing assemblies used for increasing the contact area between the first ground inserting rods and the ground are arranged on the first ground inserting rods. The reinforcing assembly comprises a supporting plate, the supporting plate is detachably connected to the first ground inserting rods through first connecting assemblies, through holes are formed in the two ends of the supporting plate, inner cavities of the through holes are slidably connected with the first ground inserting rods, and a plurality of second ground inserting rods are fixedly installed at the bottom of the supporting plate. Through the arrangement of the reinforcing assembly, the effect of increasing the contact area with the ground is achieved, by increasing the contact area with the ground, the phenomena of tilting and the like of the first ground inserting rod can be avoided to a certain degree, and therefore the stability of the device can be improved.

The plant source insecticide contains effective components of parathion and avermectin, the weight ratio of parathion and avermectin is 10-50:1, and is supplemented with an acceptable agricultural adjuvant to form one of emulsifiable concentrate, wettable powder, water dispersible granule, water emulsion or suspension agent suitable for agricultural use, and belongs to the field of pesticides. The plant source insecticide shows activity on peridroma saucia, aphid and cotton red spider, especially high acaricidal activity on red spider. The prevention and treatment effect on citrus red spider is obviously improved after parathion and avermectin are compounded, which shows that the combination of parathion and avermectin has significant synergistic effect on citrus red spider. Parathion is derived from Chinese herbal medicine plant, and there is no problem of pesticide residue, and the risk of drug damage is greatly reduced. At the same time, the two single agents of the composition have great difference in chemical structure and completely different action mechanism, and there is no cross resistance, which can delay the resistance problem caused by the use of the two single agents alone.

The utility model discloses a reciprocating cutting type bevel harvester for broad bean seedlings with aphids, which comprises an obliquely arranged rack, a conveying mechanism arranged on the rack, a harvesting mechanism arranged on the rack, and a moving channel for seedling trays arranged between the harvesting mechanism and the conveying mechanism. The harvesting mechanism is used for cutting and collecting broad bean seedlings with aphids on the seedling raising plate; according to the utility model, through a simple and small-volume structure, the device can pass between indoor culture frames; cutting vibration is small, and aphidoletes aphidimyza larvae attached to broad bean seedlings cannot be vibrated away.

The invention relates to an insect inhabitation density prediction method. Comprising the steps that a research area is divided into a plurality of micro-inhabitation units MHU, and the division granularity is based on the activity radius of a target insect; introducing a density-driven causal model of a behavior and climate coupling map; aiming at specific insects such as aphids and pine moths, constructing a day and night behavior rhythm map and a climate response preference curve; extracting a high-weight path in the coupling map, and deducing a causal path of a density lifting chain: a certain climate trend-certain behavior enhancement-inhabitation probability increase-density increase; performing spatial diffusion prediction by adopting a density transfer mechanism; defining an ecological communication weight between the MHUs, and outputting insect inhabitation density distribution at a future time point; time sequence uncertainty evaluation of a density fluctuation confidence interval is introduced; performing multi-step prediction on the inhabitation density of each MHU by using a time sequence model, and introducing uncertainty by using a Dropout regularization depth model; and outputting a confidence interval of a predicted value, and correcting a confidence boundary in combination with real-time information of trapping data and remote sensing data.

The invention discloses a light-weight empoasca flavescens insect attack detection method based on deep learning, relates to the technical field of agricultural disease detection, and is used for solving the problem that the disease condition cannot be quickly and comprehensively mastered when tea empoasca flavescens is manually detected. Comprising the following steps: S1, making a tea lesser leafhopper original data set containing different environment variables in a real tea garden environment; s2, dividing the marked image data into a training set, a verification set and a test set; and S3, constructing an improved tea lesser leafhopper detection model based on Yolov. And S4, training the Yov-based improved tea lesser leafhopper detection model constructed in the step S3 by using the training set in the step S2 to obtain a final optimization model. And S5, detecting the tea lesser leafhoppers trapped in the tea garden by adopting the optimization model finally obtained in the step S4 to obtain a detection result. And S6, deploying and putting into use. The problems of time and labor consumption and low efficiency of artificial pest detection are solved, labor force is liberated, cost input is reduced, and practicability is high.

The invention discloses an insecticidal synergistic composition containing tea saponin and application thereof, and belongs to the technical field of pest control. The insecticidal synergistic composition comprises tea saponin and an insecticidal active component, the insecticidal active component comprises but is not limited to one of neonicotinoid insecticides, sulfoxaflor or spinetoram, and the weight ratio of the tea saponin to the insecticidal active component is (1: 1)-(50: 1). The invention discloses an insecticidal synergistic composition containing tea saponin and application of the insecticidal synergistic composition. The insecticidal synergistic composition can be used for effectively preventing and treating plant diseases and insect pests, improving the insecticidal effect and effectively delaying the resistance accumulation of cotton aphids and Frankliniella occidentalis on imidacloprid, sulfoxaflor and spinetoram.

The present invention relates to natural or natural-like analogues of insect adipokinetic hormone (AKH) neuropeptide [Pyr]-LTFTSSWGG-[NH2] (SEQ ID NO:2) having activity against insects, for example hemipteran, dipteran, lepidopteran 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.

The application relates to the technical field of agricultural pest control, and specifically discloses an emergency disposal method for a cotton aphid outbreak in a dwarf and densely planted apple orchard. The method first completes three-dimensional containment by constructing a surface isolation belt, a main stem closed loop and an underground transverse blocking wall, simultaneously carries out insect source tracing and marking and pre-closed disposal, then sequentially implements underground insect source precise killing, crown layer time period precise killing, and finally realizes long-term protection through whole cycle closed loop control. The application is matched with a containment and repellent composition, an underground insect source disposal composition, a crown layer killing special composition and a killing paste, each composition is adapted to the scene requirement of the corresponding disposal link, the preparation process is simple, and the composition can be prepared and used immediately. The method can be used for emergency prevention and control after the cotton aphid outbreak in the dwarf and densely planted apple orchard, can quickly curb the spread of the cotton aphid in the whole orchard, greatly reduces the prevention and control difficulty, has high efficiency, long-term effect and safety, and can also be adapted to the special prevention and control scene before apple picking.

The utility model relates to the technical field of wheat planting, especially to a wheat planting insect prevention and killing device, which comprises a supporting seat, a supporting shaft is installed on the top of the supporting seat, the supporting shaft is slidably connected to an installation plate through a moving hole, a supporting outer thread is arranged on the outer surface of the supporting shaft, the supporting outer thread is threadedly connected to the inner surface of a lower supporting cylinder, a plurality of connecting shafts are connected to the circumferential surface of the installation plate, the outer surface of the connecting shafts is slidably connected to the inner surface of a connecting cylinder, the connecting cylinder is installed on the side of a yellow plate, the connecting shafts connected to the circumferential surface of the installation plate are arranged, the installation of a plurality of yellow plates can be realized, the installation plate is circular, the connecting shafts are equidistantly and circumferentially distributed, the yellow plates are equidistantly and circumferentially distributed above the supporting seat, the adhesive surface of the circular plate can be directed to different directions, the insect killing operation on the wheat aphids in multiple directions can be realized, and the common operation of the yellow plates can effectively increase the insect killing area of the device.

The invention relates to a sex pheromone of eutrophia maca and application of the sex pheromone. The sex pheromone of the eupolymyza cochinchinensis is 9, 12, 15-octadecatrienoic acid ethyl ester, and the sex pheromone of the eupolymyza cochinchinensis can be used for inducing male adults of the eupolymyza cochinchinensis or increasing the mating rate of the male adults and female adults of the eupolymyza cochinchinensis.

The invention relates to a compound with a cyclopropane carboxylic acid pyrazole ester structure and application thereof, and belongs to the technical field of pesticides. The structure of the compound is shown in the specification. The invention further provides application of the compound shown in the formula I in prevention and control of agricultural pests. The compound represented by the formula I provided by the invention shows an excellent effect on various pests, especially on prevention or control of pests such as aleyrodidae, aphididae, tetranychidae and glophidae, and the compound has low toxicity.

The invention discloses a comprehensive prevention and control method for tobacco pepper vein mottle virus disease, which comprises the following steps: S1, optimizing agricultural layout and preparing a field parcel: selecting an area far away from a vegetable field, a curing barn and an airing shed as a seedling raising and planting field, removing weeds in the seedling raising and planting field, then intercropping gramineous crops, and deeply ploughing and sunning upturned soil before winter; s2, prevention and control management in a seedling raising period: detecting pathogens, preventing and controlling diseases and pests, and managing, cleaning and disinfecting facilities; the application not only pays attention to reasonable use of pesticides, but also combines physical prevention and control (such as covering an insect-proof net), biological prevention and control and agricultural management (such as crop rotation and weed removal) to form a comprehensive prevention and control system; the virus resistance of the tobacco can be effectively improved, and meanwhile, the influence on the environment is reduced; aphidius avenae is used for biological control, biological insecticides (such as sophocarpidine and azadirachtin) are released to be alternately used with chemical agents, natural enemies are effectively utilized for pest control, and use of the chemical agents is reduced.

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 and fruit flies, and their use as insect control agents (e.g. insecticides) and plant protection agents.

The present invention discloses an RNAi molecule for inhibiting the ATP synthase gene of radish aphids, which is a double-stranded RNA molecule consisting of a sense strand and a complementary antisense strand, wherein the nucleotide sequence of the sense strand is SEQ ID NO: 2. RNAi pesticides containing the RNAi molecule can effectively kill radish aphids.

The invention discloses an insecticide composition and a preparation method thereof, and relates to the technical field of pesticide compounding. According to the composition, Oxazosulfyl and beta-cypermethrin are compounded, a multifunctional modified white carbon black composite carrier serves as a carrier, and synergistic interaction is achieved through a micelle-slow release technology. The insecticide composition has quick-acting and persistent control effects on beet armyworms, ostrinia nubilalis, laodelphax striatellus and wheat aphids, is obviously superior to a single agent, and can delay the generation of resistance. The preparation process is simple, various dosage forms such as a suspending agent, an emulsion in water and the like can be processed, and good application prospects are achieved.

The invention is suitable for the technical field of pest control, and provides application of cinnamyl aldehyde in control of agricultural pest macrosiphum avenae. The application effect of the cinnamyl aldehyde in prevention and treatment of the agricultural pest sitobion avenae is defined, and the application effect is specifically shown as follows: in the action activity, the cinnamyl aldehyde has remarkable repelling, fumigating and contact killing effects on the sitobion avenae; on the influence of growth and development, the cinnamyl aldehyde treatment can significantly prolong the period and the earlier stage of reproduction of macrosiphum avenae, shorten the life of adults, the period of reproduction and the earlier stage of aphid production, reduce the amount of aphids produced by single female aphids, significantly reduce population parameters such as intrinsic growth rate, weekly limit growth rate and net value-added rate, effectively inhibit population growth, and improve the survival rate of macrosiphum avenae. Meanwhile, the macrosiphum avenae is abnormal in embryonic development, difficult in ecdysis, dead and malformation of winged aphids. In conclusion, the cinnamyl aldehyde has double effects of directly preventing and controlling the sitobion avenae and inhibiting population growth on the sitobion avenae, has the potential of being developed into a green pesticide due to high safety and low residue, and provides a new way for comprehensive treatment of the sitobion avenae.

The invention relates to a plasma activated water enhancement-based pesticide composition and application thereof, and aims to solve the technical problems of drug resistance crisis, environmental residue pollution and unstable control effect existing in chemical control of cotton aphids. Plasma activated water (PAW) and neonicotinoid / picolinamide insecticides are compounded to form a synergistic system with the concentration of LC10-LC75, oriented application is conducted on the basis of the insect age adaptation rule (imidacloprid is used for evaluation for 24 h, flonicamid is used for evaluation for young aphids, 72 h is used for evaluation for young aphids), the epidermis structure of cotton aphids is destroyed through reactive oxygen nitrogen substances (RONS) in the PAW, the permeability of the pesticides is enhanced, and therefore the cotton aphids with the concentration of LC10-LC75 are obtained. The comprehensive technical effects of remarkably improving the fatality rate of the cotton aphids at each age, reducing the pesticide dosage, reducing environmental residues and delaying the development of drug resistance are achieved.

This invention relates to the field of smart plant protection technology, specifically a method for detecting winged aphids on sticky traps based on a two-level coordinate collaborative network. The method includes the following steps: collecting and standardizing images of winged aphids on sticky traps to construct a target detection dataset containing target size features; constructing a PCSNet-YOLOv12 target detection model, using YOLOv12 as the baseline model, setting a two-level coordinate attention (CA) module in its backbone network, adding a shallow feature extraction branch in its neck network, and introducing a Shape-NWD loss function to optimize the model's bounding box regression process. This invention provides an effective technical solution for constructing a real-time, automated intelligent pest monitoring system, and has significant application value in promoting the intelligent transformation of pest monitoring and green prevention and control practices.

The invention provides a construction method and application of a chrysanthemum aphid resistance prediction system based on whole genome selection. According to the method, SNP loci remarkably related to the aphid resistance of the chrysanthemum are identified through whole genome association analysis, the influence of different statistical models and SNP markers with different densities on the whole genome prediction precision is compared, the method for rapidly, efficiently and accurately predicting the aphid resistance of the chrysanthemum based on GWAS-assisted whole genome selection is established, and the prediction accuracy can reach 0.882. The whole genome selection system constructed based on the method can realize early selection of the aphid resistance of the chrysanthemum, accelerates the breeding process of the excellent new variety of aphid resistance of the chrysanthemum, saves the breeding cost, effectively overcomes the technical problems that the field aphid resistance identification work is tedious, long in period and easy to be influenced by environmental factors and human subjective factors and the like, and improves the identification efficiency of the aphid resistance of the chrysanthemum. The method has important theoretical and practical significance.

The present invention relates to natural or natural-like analogues of insect pyrokinin neuropeptide [Hy]-GGSMTFSPRL-[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.

The present invention relates to natural or natural-like analogues of insect pyrokinin neuropeptide [Hy]-SPPYSPPFSPRL-[NH2] (SEQ ID NO:2) having activity against insects, for example hemipteran, dipteran, lepidopteran 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.

The present invention relates to a new isolated strain of the microorganism Bacillus halosaccharovorans which has nematicidal and insecticidal effect, the bacterial culture and the composition comprising it and their uses in the control of nematode and / or aphid infection in a plant. Also refers to a method to obtain the mutant strain of the invention.

This invention belongs to the field of agricultural nanoparticle formulations and green pest control technology, specifically relating to an insecticide nano-synergist Cu-TA, its preparation method, and its application. The Cu-TA consists of nanoparticles formed by the coordination assembly of copper ions and tannic acid. The Cu-TA can be used in combination with various insecticides to increase the sensitivity of brown planthoppers, white-backed planthoppers, cotton aphids, rice stem borers, and common thrips to pesticides, and to improve the field control effect on brown planthoppers. Furthermore, the combined use of Cu-TA and acetamiprid can reduce the actual heritability of resistance to acetamiprid in brown planthoppers, thereby delaying the development of resistance.

The present invention relates to natural or natural-like analogues of insect pyrokinin neuropeptide [Hy]-NADEDQQQSVDFTPRL-[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.

The invention belongs to the technical field of biological prevention and control, and provides a dsRNA nucleic acid pesticide for preventing and controlling cedar macroptera longipes and application of the dsRNA nucleic acid pesticide for preventing and controlling cedar macroptera longipes, and the application is that a dsRNA sequence of Aminopeptidase is used for silencing expression of Aminopeptidase. According to the invention, by synthesizing the dsRNA sequence, the effect of the dsRNA sequence in Aminopeptidase expression and the aphid killing effect are evaluated; the result shows that the dsRNA sequence corresponding to the Aminopeptidase of the cedar aphis longibrachii can effectively inhibit the expression of the Aminopeptidase, so that the cedar aphis longibrachii is killed, and the purpose of pest control is achieved.