776 results about "Insect pest control" patented technology

The invention provides a crop accurate management method and system based on a crop growth model. The method comprises the following steps: collecting environment data of a crop growth period by integrating a remote sensing technology, a field intelligent sensor and an unmanned aerial vehicle, and carrying out space-time alignment to form a comprehensive environment data set; and dynamically adjusting parameters of the crop growth model by using a Bayesian rule, evaluating the influence of environmental uncertainty on crops in combination with Monte Carlo simulation, and providing yield prediction with a confidence interval. Based on the prediction, a particle swarm optimization algorithm is applied to formulate management schemes such as irrigation, fertilization, pest control and harvesting opportunities, and meanwhile, a multi-objective optimization strategy is adopted to balance economic benefits and environmental protection. After the scheme is implemented, the crop growth response is monitored in real time so as to reinforce learning and automatically adjust management measures, and precise agricultural management is realized. According to the technical scheme provided by the embodiment of the invention, the crop management precision and efficiency are improved.

The invention discloses a crop pest monitoring method and system based on artificial intelligence, and the method comprises the steps: constructing a crop pest recognition model, and recognizing the types and number of pests; the method comprises the following steps: acquiring crop infrared thermal imaging image data of multi-view fusion, and identifying insect pest types and quantity of unshielded areas in a crop monitoring area; identifying a thermal anomaly region, and determining the number of insect pests in a shielded region in the crop monitoring region; constructing an insect pest type identification model, and determining the insect pest type of the shielded area in the crop monitoring area; calibrating the number and type data of insect pests in the crop monitoring area; constructing an insect pest prediction model, and judging a future insect pest diffusion trend; and evaluating the effectiveness of the pest control strategy, and adjusting the pest control strategy and implementing the advance of the pest control strategy. According to the invention, comprehensive monitoring, accurate identification and scientific prevention and control of insect pests are realized, the problems of monitoring blind areas and prevention and control lag are effectively solved, and the efficiency and reliability of insect pest prevention and control are significantly improved.

The invention belongs to the technical field of crop disease and insect pest control, and particularly relates to an agricultural disease and insect pest control method fusing computer vision and a language model. Based on a vision model and an optimized language model, after the vision model and the optimized language model are integrated, dynamic scene information can be combined; the method can identify various crop diseases in real time and give more professional and detailed suggestions in the field of crop disease control, has good disease identification ability and control suggestion generation ability, further significantly improves the efficiency of disease control in agricultural production, reduces the labor cost, and is beneficial to improving the yield and quality of crops.

The invention discloses a satellite and unmanned aerial vehicle remote sensing monitoring control system based on insect behavior regulation and control, which relates to the technical field of remote sensing monitoring and comprises an insect monitoring regulation and control system, an unmanned aerial vehicle remote sensing comprehensive processing system, a satellite remote sensing comprehensive processing system and a visual monitoring command platform. The insect monitoring regulation and control system carries out insect behavior regulation and control on a target area and collects an environment monitoring data set, and ground insect information feature data is obtained through analysis; the unmanned aerial vehicle remote sensing comprehensive processing system collects unmanned aerial vehicle multispectral images of the region after insect behavior regulation and control, and analyzes the images to obtain insect generation types, insect distribution thermodynamic diagrams and insect density change trends; a satellite remote sensing comprehensive processing system collects satellite remote sensing data of the region after insect behavior regulation and control, and a wide-area insect pest thermodynamic diagram is obtained through analysis; and the visual monitoring command platform is used for providing a visual operation interface for a user, presenting an insect pest analysis result to the user, and supporting the user to carry out remote operation and implement a real-time insect pest control scheme.

The utility model relates to the field of agricultural disease and pest control, in particular to an agricultural disease and pest control device which comprises a device base, a pesticide box and a driving box, the pesticide box is fixedly connected to the middle of the top of the device base, and the driving box is fixedly connected to the middle of the top of the pesticide box. The agricultural pest control device comprises a pesticide box, a driving box is arranged in the pesticide box, a motor is fixedly connected to the inner top of the driving box, a second rotating shaft is fixedly connected to the driving position of the motor, and second stirring blades are fixedly connected to the periphery of the lower portion of the second rotating shaft. Meanwhile, by installing a water pipe, a water pump and an atomization spray head, part of pesticide liquid is sprayed to the back faces of crop leaves through a bottom auxiliary atomization spray head, aphids and other pests are prevented from being attached to the back faces of the leaves, and the control effect is limited.

The invention relates to the technical field of agricultural informatization and intelligent decision making, and discloses a vegetable growth cycle pest control decision making system and method based on a knowledge graph. According to the method, an unstructured agricultural data stream including vegetable varieties, growth stages, environmental parameters, pest and disease records and geographic information is collected from an original database. A data tuple set with a time stamp is generated by performing scanning identification and content extraction on a data stream. Then, clustering is carried out according to the growth stages to which the tuples belong, and stage feature clusters sorted according to the growth cycle are formed; and performing multi-dimensional feature correlation analysis on the stage feature cluster, and establishing a dynamic coupling relationship among the environmental parameters, the disease and pest history and the geographic space features under the growth cycle dimension. And based on the dynamic coupling relationship, generating disease and pest control decision parameters of the vegetables in the specific planting area in each growth cycle stage. According to the invention, accurate matching between the control decision and the crop physiological time sequence and regional characteristics is realized.

The invention provides a self-supervised mulberry disease and insect pest recognition method and system fused with a multi-mode YOLO algorithm, and the method comprises the steps: providing a Multi-Modan-YOLO algorithm fused with a multi-mode information processing technology, namely, the multi-mode YOLO algorithm, and carrying out the self-supervised mulberry disease and insect pest recognition method fused with the multi-mode YOLO algorithm; and audio information and thermal imaging information are combined to further improve the accuracy of the identification result of the pest and disease damage types. A self-supervised learning framework driven by a multi-modal large model is introduced, when the identification deviation risk exceeds a preset threshold value, the multi-modal large model is called to generate a category label, and the model is endowed with the ability of dynamically generating a new label for a new type of pest and disease damage. Therefore, misrecognition caused by non-uniform distribution of training data or missing of a certain category of data is effectively prevented; according to the method, targets such as disease spots and insect pests on mulberry leaves are accurately identified, so that the efficiency and accuracy of mulberry disease and insect pest prevention and control are improved, the influence on silkworm production is reduced, and yield increase is promoted.

The invention discloses a comprehensive ecological regulation and control method for compound diseases and insect pests of field crops, relates to the technical field of agricultural disease and insect pest control, and aims to solve the technical problems that various technologies are not effectively matched for use and the control effect is poor in the current control method. Comprising the following steps: investigating the current insect pest occurrence type and occurrence degree of crops, and counting data; according to the method, a beneficial farmland ecological environment is created through ecological regulation and control, for example, special plants are planted to repel and introduce beneficial insects; physical prevention and control means are adopted, for example, trapping with trapping belts can be customized for research and development, sex pheromone trapping and pest mating rhythm are combined, and light trapping selects wavelength according to pest phototaxis; through chemical prevention and treatment, on the basis of selecting low-toxicity pesticides and pesticide application technologies, the pesticide application time and dosage are accurately grasped, and pollution is reduced. According to the invention, a plurality of prevention and control means supplement each other, so that diseases and insect pests can be effectively handled under the condition of conforming to the sustainable agricultural development concept, and the growth of crops is guaranteed.

The invention discloses a multi-head self-attention mechanism-based disease and insect pest identification method for an improved residual network. The method comprises the following steps of: acquiring data; preprocessing the data; a multi-head self-attention mechanism is added behind the residual network, and an improved residual network model is formed; the trained model is evaluated; the trained weight file is transferred into the raspberry Pi, and the raspberry Pi is connected with a camera, so that the plant diseases and insect pests of the trees can be detected in real time. According to the method, a multi-head self-attention mechanism is added on the basis of a ResNet18 network structure, projection matrixes of different queries, keys and values are used each time to generate different attention sub-spaces, and finally outputs of all the sub-spaces are spliced together to form final output, so that the weight of key feature information is enhanced, and the recognition precision of the model is further improved. The method is used for preventing and treating forestry diseases and insect pests, improves forestry income and has wide research and market application prospects.

The utility model discloses a plant root irrigation device for disease and pest control, and relates to the technical field of plant disease and pest control. The pedal is annular and is fixedly arranged on the outer side wall of the opening end of the positioning barrel in a sleeving manner; the threaded sleeve is fixedly connected to the top of the positioning barrel and penetrates through the top; the upper end of the outer circumferential wall of the positioning pipe is provided with external threads, and the positioning pipe penetrates through the threaded sleeve and is connected with the threaded sleeve through the external threads; the rotating handles are fixedly connected to the positioning pipe; the contact pin is conical, is movably arranged at the lower port of the positioning pipe and can block the lower port of the positioning pipe; the root irrigation device has the advantages of convenience in use, good root irrigation effect, difficulty in blockage and the like.

The invention relates to a tartary buckwheat pest and disease damage dynamic monitoring method, system and device and a medium, and belongs to the technical field of agricultural intelligent monitoring, the dynamic monitoring method comprises the following steps: periodically collecting environmental parameter data through fixed sensor nodes deployed in a farmland, and obtaining leaf vibration signals and multispectral image data at the same time; performing space-time alignment on the blade vibration signal and the multispectral image data, correcting radiation distortion in the multispectral image data, and outputting a registration data set; according to the registration data set, fusing to generate a multi-modal feature vector, inputting the multi-modal feature vector into a pre-trained space-time analysis model, and outputting a risk level distribution diagram with a geographic coordinate mark; generating a control instruction set according to the risk level distribution map, and triggering execution equipment to execute pest control operation; and optimizing weight parameters of the space-time analysis model through the generative adversarial network based on the execution log of the control instruction set and the historical multi-modal feature vector. The scientificity and timeliness of pest control can be improved.

The invention provides a garlic planting full-process database service system based on agricultural big data, which relates to the technical field of agricultural planting and comprises a planting planning module, a seeding management module, a growth monitoring module, a topdressing irrigation management module, a pest control module and a harvesting decision module. The planting planning module accurately matches varieties and base fertilizer formulas according to soil and yield data; the seeding management and growth monitoring module dynamically optimizes planting measures in combination with real-time data and historical experience; the topdressing irrigation module, the pest control module and the harvesting decision-making module utilize technologies such as image recognition and spectrum detection to realize a precise and scientific management strategy, effectively improve the resource utilization rate, reduce the influence of environmental fluctuation on garlic growth, reduce the use of chemical agents, realize full-process data driving by integrating multi-source data, and improve the management efficiency. Meanwhile, a complete planting file is formed to support strategy iteration, large-scale and efficient development of garlic planting is facilitated, and then the economic benefits of garlic planting are effectively improved.

The invention discloses an intelligent measuring and reporting device and method for insect pest conditions of vegetables in a facility, and the method comprises the steps: carrying out the color trapping of pests through employing a sticky card according to the color taxis principle of the pests in the daytime, and trapping the pests through employing light according to the phototaxis principle of the pests at night; shooting the insect sticking plate in different time periods to obtain image information, and uploading the image information to a cloud analysis server through a network for image recognition and judgment, data statistics and comprehensive analysis to obtain an insect condition result analysis report; the obtained insect condition result analysis report is issued to a terminal in real time for a user to obtain, and technical support is provided for subsequent insect pest prevention and control.

The invention discloses paenibacillus sp. H31, which is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC NO: M 20252669, and the preservation date is November 24, 2025. The invention further discloses a preparation method of the paenibacillus sp. The paenibacillus H31 disclosed by the invention not only has broad-spectrum disease-resistant activity on pathogenic fungi of various plants, but also has a remarkable growth-promoting effect on pepper, so that the paenibacillus H31 can be widely applied to prevention and treatment of agricultural diseases and insect pests, and sustainable development of green agricultural production is promoted. In addition, the paenibacillus H31 also has the effects of hydrolyzing proteinase and cellulose and decomposing ferritin, so that the paenibacillus H31 also can be applied to the scenes of industrial production and the like.

The invention discloses an early-stage intelligent monitoring system for citrus reiculata Blanco canopy diseases and insect pests based on multispectral imaging, and belongs to the technical field of agricultural information. The system comprises a multispectral imaging module, a three-dimensional point cloud acquisition module, a data fusion module, a time sequence data analysis module, an intelligent identification module and a monitoring result output module. The method comprises the following steps: synchronously acquiring a multispectral image and laser radar point cloud data of a citrus reiculata tree canopy, and generating a point cloud model through spatial registration fusion; continuously recording model data of a plurality of time points, and extracting a time sequence feature vector; identifying disease and pest types and severity by using a deep learning model; and outputting a result to the user terminal. According to the invention, the problem that large-range and high-precision early monitoring of diseases and insect pests of citrus reiculata canopies is difficult to realize in the prior art is solved, early discovery, precise positioning and trend early warning of the diseases and insect pests are realized through air-space-ground integrated data fusion and intelligent analysis, and the intelligent level of orchard management and the disease and insect pest control efficiency are effectively improved.

According to the high-yield and high-quality cultivation technology for the strong-flavor powder glutinous type areca taros, through scientific management measures such as land selection, seed selection, five times of topdressing, four times of stump ridging, irrigation and disease and pest control, the yield, quality and flavor of the areca taros are remarkably improved in combination with application of microbial fertilizers, organic fertilizers, plant ash, organic miscellaneous soil fertilizers and sheep and cow manure fertilizers.

The invention provides a plant disease and insect pest inhibition type organic fertilizer based on nanomaterial loading and a preparation method thereof, and belongs to the technical field of fertilizers, the plant disease and insect pest inhibition type organic fertilizer comprises: a nanocellulose whisker carrier derived from agricultural wastes; the plant-derived insect-inhibiting component is loaded on the surface of the carrier through an ester bond and a hydrogen bond; the sodium alginate-lignin porous gel network is used for wrapping the carrier; through double bonding of an agricultural waste nano-cellulose carrier and tea saponin-allicin and in combination with a sodium alginate-lignin gradient gel network, the residual rate of active ingredients in 60 days is larger than 40%, the rhizosphere targeted enrichment concentration reaches 3.28 times of that of a non-rhizosphere region, the problems that a traditional organic fertilizer is short in lasting period and poor in targeting property, and a synthetic carrier is polluted are solved, and the application prospect is wide. While the pest control efficiency and the crop yield are improved, environment friendliness and cost effectiveness are both considered, and a solution with innovativeness and practicability is provided for organic agriculture.

The invention discloses spraying equipment for pest control of plants and a using method thereof, the spraying equipment comprises a bottom plate, a liquid inlet cylinder and a liquid outlet cylinder arranged at the bottom end of the liquid inlet cylinder, water outlet holes are formed in the surface of the liquid outlet cylinder, a filter screen is arranged at the bottom end of the liquid inlet cylinder, and a sealed cleaning mechanism is arranged on the surface of the liquid inlet cylinder; the sealing cleaning mechanism comprises a sealing assembly arranged on the surface of the liquid inlet cylinder in a sleeving mode and a cleaning assembly, the sealing assembly is used for sealing the water outlet hole, and the cleaning assembly is used for conducting back flushing cleaning on the filter screen; the invention relates to the technical field. According to the spraying equipment for plant pest control and the using method thereof, through the arrangement of the sealing assembly, the water outlet holes can be automatically sealed when direct spraying operation is conducted on plants, and when the spraying range needs to be enlarged, the water spraying pipe is automatically closed, and the water outlet holes are controlled to be opened; the spraying range can be freely switched, the spraying effect of two modes of precise direct spraying can be achieved, and different use requirements are met.

The invention discloses a special pest control method applied to directional vegetable planting, and the method comprises the following steps: obtaining a vegetable planting category planted by a user, and searching a common pest category corresponding to the vegetable planting category in a vegetable pest comparison table according to the vegetable planting category; according to the retrieved common insect pest types, searching a light wavelength range dealing with the common insect pest types in an insect pest control comparison table; setting light parameters corresponding to the detecting and killing all-in-one machine according to the searched light wavelength range; setting the working starting time, pause time and working period of the detecting and killing all-in-one machine; during the running period of the killing all-in-one machine, acquiring insect pest pictures of the vegetable field shot by the killing all-in-one machine, analyzing and determining actual insect pest types, and comparing the actual insect pest types with common insect pest types. The insect pest pictures are shot through the killing all-in-one machine and are analyzed and compared, so that the actual insect pest types can be accurately determined, and an accurate basis is provided for subsequent prevention and control.

The invention discloses an intensive, green and efficient ginger cultivation method. A mode of interplanting ginger and corn is adopted. The method comprises the following steps of (1) interplanting variety selection, (2) ginger seed and corn seedling treatment, (3) land selection, land preparation and sowing, and (4) topdressing and pest control. The corn and the ginger which grow robustly and are free of diseases and pests are selected for interplanting, the ginger root system is shallow, the seedling stage is shade-tolerant, and the corn is a gramineous high-stalk and high-photosynthetic-efficiency crop. The water and fertilizer integration technology is adopted during intercropping of the two crops, the land utilization efficiency is improved, natural resources such as light energy are fully utilized, favorable conditions are provided for vigorous growth of the ginger, and economic benefits are improved.

The invention belongs to the technical field of crop disease and pest control, and discloses a greenhouse tomato disease and pest diffusion distribution diagram prediction method, which comprises the following steps: S1, collecting current growth data of tomatoes in a greenhouse in real time; s2, according to the current growth data, constructing a diffusion velocity model of diseases and insect pests, and predicting a disease radius # imgabs1 # after the time # imgabs0 # of the diseases and insect pests through the diffusion velocity model; and S3, predicting according to the current growth data acquired in the step S1 and the disease radius # imgabs2 # predicted in the step S2 to obtain a disease and pest diffusion distribution diagram. The current pest and disease damage data of the tomatoes in the greenhouse are collected in real time, environmental factors (temperature, humidity and carbon dioxide concentration) and interaction among different pest and disease damage are comprehensively considered, then the pest and disease damage diffusion distribution diagram is predicted and generated, and the generated result is higher in credibility and more accurate. A user can treat diseased plants according to the diffusion distribution diagram and prevent and treat infected plants, so that accurate prevention and treatment of plant diseases and insect pests by the user are facilitated.

The invention discloses a trapping device and method for controlling forest pests and diseases, and relates to the technical field of pest control, including an insect collecting barrel, wherein the upper end of the insect collecting barrel is clamped with a shaping frame, and the invention uses wind in the forest to blow on the surface of the guide fan to drive the guide fan to rotate, and the rotation of the guide fan drives the power gear to rotate through a connecting rod, and the rotating power gear drives the transmission gear ring to rotate, and the rotation of the transmission gear ring drives the linkage plate to rotate, and the rotating linkage plate rubs the surface of the charging hopper through a scraper on the surface to scrape off the pests between the guide funnel and the charging hopper, and when the wind direction changes, the airflow blows the guide fan, and the guide fan drives the wind direction ring to rotate inside the clamping ring, and the position of the guide fan is changed. The locking ring is rotated, and the inner diameter of the upper end of the clamping ring becomes smaller, and the clamping force on the wind direction ring is changed. The clamping force on the wind direction ring is changed according to the wind force at various locations in the forest, and the guide fan is guaranteed to rotate normally under the blowing of the wind.

The invention provides a forage grass pest control device. The forage grass pest control device comprises a tank body with a groove in the middle; the insect plate shaft is rotationally installed on the inner wall of the tank body, one end of the insect plate shaft penetrates through the inner wall of the tank body and extends out of the tank body, an insect plate is fixedly installed on the surface of the insect plate shaft, and the insect plate and the tank body are installed in a matched mode. According to the forage grass pest control device provided by the invention, the ultraviolet lamp is arranged to attract pests, the power grid is used for electric shock to control pests, the driving motor is arranged to link the pest plate to overturn and the scraper blade to clean, so that pest corpse collection and power grid cleaning are integrated, the manual intervention frequency is reduced, and the working efficiency is improved. By arranging an insect plate, under the condition that the dead bodies of pests are few, sealing can be conducted, peculiar smell generated in a biodegradable bag can be prevented from entering the environment, harmful effects are isolated, the biodegradable bag is convenient to replace through a biodegradable bag fixing column, the ecological environment is protected, and secondary damage of the dead bodies of the pests to the environment is avoided.

The utility model relates to the technical field of traditional Chinese medicinal material planting, in particular to a traditional Chinese medicinal material planting insect pest prevention device which comprises a base, an inserting rod connected to the center of the bottom of the base, a rotating disc fixedly connected to the top of the base, supporting blocks connected to the two ends of the top of the rotating disc, a containing frame fixedly connected to the tops of the supporting blocks, and a storage tank connected to the top end of the inner wall of the containing frame. The water pump is connected with the storage tank, the inner wall of the center of the bottom of the storage tank is connected with a discharging pipe, the top end of the inner wall of the discharging pipe is connected with a mesh sieve plate, and the bottom end of the inner wall of the discharging pipe is connected with a discharging valve. The device is simple in structure and convenient to use, insect pest prevention and control work can be conveniently and orderly carried out, meanwhile, the workload of workers is greatly relieved, and therefore the problems and defects in an existing device are effectively solved and overcome.

The present invention relates to the technical field of pest control in rice, and provides a chlorantraniliprole-containing composition, comprising chlorantraniliprole and gossypol, wherein the mass ratio of chlorantraniliprole to gossypol is (1000-50):1. The composition can be used for controlling lepidoptera pests which attack rice. The composition of the present invention has a good control effect on rice stem borers, can reduce the application dosage of chlorantraniliprole and reduce the control costs, and is suitable for use in practical production.

A formulation containing an attractant specific for a targeted pest insect and an entomopathogenic bio-insecticide to control pest insect populations. By attracting the insect pest into a trapping device, loading it with the formulation and then, at exiting the trapping device, the insect will disseminate in the field where it will eventually die. Wherever some formulated material will have been distributed in the field, further fellow creatures of the same species will be attracted and infected, thus multiplying the effect of the primary trapping device. The pest insect is used as the vector of its own demise, effectively using a minimal amount and limited applications of pesticides of biological origin.

The utility model discloses a root irrigation device for plant disease and insect pest control, and belongs to the technical field of plant disease and insect pest control. The device mainly comprises a main body, a pesticide applying structure, a holding part, a battery and a pesticide storage tank, the holding part is installed at one end of the main body, and the battery is embedded between the holding part and the main body; the pesticide storage tank and the pesticide applying structure are installed in the main body, the pesticide applying structure is composed of a pesticide applying assembly, a transverse adjusting structure and a push-pull assembly, part of the pesticide applying mechanism is connected with the pesticide storage tank, and part of the pesticide applying mechanism protrudes out of the main body. The pesticide application device is provided with the adjustable pesticide application structure and the pesticide pre-loading structure, and pesticide application accuracy and pesticide application efficiency can be effectively improved. The device is mainly used for root pesticide application work of food diseases and insect pests.

The invention relates to the field of disease and pest control, and discloses a forestry planting seedling disease and pest control device which comprises a frame, three wheels are rotatably mounted at the bottom of the frame, a handrail and an L-shaped fixing plate are fixedly mounted at the top of the frame, a liquid storage tank is fixedly mounted at the top of the L-shaped fixing plate, and a first liquid storage cavity and a second liquid storage cavity are formed in the liquid storage tank. The first liquid storage cavity and the second liquid storage cavity are both used for containing pesticide liquid, and a first pesticide liquid spraying mechanism is arranged on the right side of the L-shaped fixing plate. Compared with the prior art, the pesticide spraying device has the following advantages and effects that the pesticide spraying mechanism I and the pesticide spraying mechanism II are cooperatively used, so that pesticide liquid can be comprehensively, effectively and uniformly sprayed on seedling stems and leaves and soil for planting seedlings at the same time, a planting area is comprehensively covered, diseases and pests are effectively prevented and treated, and the prevention and treatment effect is improved; healthy growth of the seedlings is guaranteed, and the land sprayed with the insecticide liquid can be effectively leveled through the soil leveling harrow.

The utility model relates to the technical field of pest control, and discloses a forestry plant protection pest control device which comprises an insecticidal lamp, the top of the insecticidal lamp is fixedly connected with a mounting plate, a cleaning mechanism and a fixing mechanism are sequentially arranged outside the insecticidal lamp, and the fixing mechanism comprises a fixing ring, a connecting ring and a fixing rod. The fixing ring is fixedly connected with the connecting ring, a lead screw is rotatably connected to the interior of the fixing rod, a lead screw sleeve is fixedly connected to the tail of the connecting ring, and the lead screw sleeve is detachably connected to the exterior of the lead screw. The insect-killing lamp is installed outside a tree branch by using the fixing mechanism, the position of the insect-killing lamp is fixed by means of a tree, the stainless steel power grid is cleaned by using the cleaning mechanism, and the problem that existing forestry plant protection pest control equipment is suspended outside the tree branch and lack of stability is solved.

The utility model provides a pesticide spraying device for pest control in wheat cultivation, which belongs to the technical field of pest control in wheat cultivation and comprises a movable bottom plate, a plurality of universal wheels are mounted at the lower end of the movable bottom plate, a movable handle is fixedly connected to the upper end of the movable bottom plate, and the movable handle is fixedly connected to the lower end of the movable bottom plate. According to the spraying device, pesticide can be atomized through mutual cooperation of the spraying pipe, the electric fan and the atomizing nozzle, the atomized pesticide is blown off to the distance through strong wind of the electric fan, and therefore the purpose that spraying can be conducted on the central position of a wheat field without moving the whole spraying device into the wheat field is achieved; through mutual cooperation of the damping rotating shaft and the fixed mounting rod, the pitch angle of the spraying shell can be adjusted, the higher the pitch angle is, the farther the spraying distance is, and the lower the pitch angle is, the closer the spraying distance is, so that the spraying distance is adjusted, the overall structure is simple, and the manufacturing cost is low.