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223 results about "Forest pest" patented technology

Intelligent forest pest and disease damage monitoring method and system based on unmanned aerial vehicle remote sensing

The invention relates to the technical field of remote sensing monitoring, in particular to an intelligent forest disease and pest monitoring method and system based on unmanned aerial vehicle remote sensing, and the method comprises the following steps: collecting multispectral data by an unmanned aerial vehicle, extracting reflectivity and smoothing the reflectivity, carrying out differential recognition on abnormal pixels, extracting curves and screening significant changes, segmenting scab boundaries, and classifying health states. And generating a pest and disease map layer prediction trend. According to the method, the reflectivity time sequence is constructed, differential processing is carried out, the vegetation change trend is dynamically captured, abnormal areas are identified by combining slope offset and persistence analysis, significant pixels are screened according to main peak wavelength offset, boundary information is extracted, the scab positioning precision is improved, and the recognition resolution of the lesion state is enhanced through reflectivity combined analysis; accurate description of disease spot dynamic changes is realized, static image dependence limitation is broken through, monitoring time continuity and space response capability are enhanced, and disease and insect pest change capture efficiency and state classification accuracy are effectively improved.
Owner:SHIHEZI UNIVERSITY

Dividing method and system for forest pest control area

The invention provides a division method and system for a forest pest control area, and relates to the technical field of data processing, and the method comprises the steps: building a forest pest control database through collecting pest data and environment data of a control area; and training a pest risk prediction model based on historical data to generate a risk distribution map. And then, in combination with a GIS technology and a deep learning image segmentation algorithm, intelligent division is performed on the target area, and it is ensured that the unmanned aerial vehicle efficiently covers the prevention and control unit. According to the method, the optimal spraying route can be planned by adopting a path optimization algorithm based on the flight capability of the unmanned aerial vehicle, the pesticide carrying capacity and the environmental conditions, spraying parameters are dynamically adjusted by monitoring the wind speed, obstacle information and the like in real time, precise pesticide application is ensured, the pest control efficiency can be improved, repeated spraying and spraying blind areas are reduced, the pesticide use amount is reduced, and the pesticide application cost is reduced. Intelligent and precise forest pest control is achieved, and the method is suitable for large-scale unmanned aerial vehicle autonomous operation scenes.
Owner:RIZHAO COASTAL NAT FOREST PARK MANAGEMENT SERVICE CENT

Forest prevention and control method based on pest and disease monitoring

The invention discloses a forest prevention and control method based on disease and pest monitoring, and belongs to the technical field of forestry prevention and control, and the method comprises the steps: dividing a target forest into regions according to vegetation types, collecting historical multi-source data, filling the missing data, analyzing a time sequence and causal relationship to construct a time sequence causal diagram, and simulating a disease and pest spatio-temporal dynamic state in combination with current data. And determining a prevention and control risk level and a key induction factor of each region, executing a prevention and control strategy according to the level, and updating a causal diagram through reinforcement learning according to forest health response data. According to the method, a closed loop is formed from data processing to model construction, accurate prevention and control are achieved, efficiency and scientificity are improved, forest ecological changes can be dynamically optimized and adapted, and the prevention and control effect is guaranteed.
Owner:SICHUAN AGRI UNIV

Forest pest automatic identification method based on multispectral image and deep learning

The invention relates to the technical field of image recognition, and discloses a multispectral image and deep learning-based forest disease and insect pest automatic recognition method, which comprises the following steps of 1, carrying a multispectral camera containing a red edge wave band through an unmanned aerial vehicle to obtain a forest region image; 2, calculating a red edge normalized vegetation index of the image; 3, performing time sequence modeling on the red edge normalized vegetation index data of more than five consecutive periods, and inputting a time sequence convolutional network to generate an early lesion probability graph; 4, detecting a pest and disease damage target by adopting a multi-scale adaptive feature pyramid network; 5, outputting a disease and pest distribution thermodynamic diagram; and 6, driving the unmanned aerial vehicle cluster to execute precise pesticide spraying. According to the method, through the high sensitivity of the red-edge wave band to chlorophyll degradation and in combination with sequential convolutional network dynamic modeling, an initial lesion area can be recognized 7-10 days before disease development, the early disease recognition capability is remarkably improved, the disease discovery period is shortened, and large-scale disease diffusion is effectively avoided.
Owner:HENAN ACAD OF FORESTRY SCI

Mangrove forest pest remote monitoring and intelligent prevention and control system based on Internet of Things

The invention discloses a mangrove forest disease and insect pest remote monitoring and intelligent prevention and control system based on the Internet of Things. A plurality of modules such as an Internet of Things sensor network, an unmanned aerial vehicle inspection system, a high-definition monitoring camera network, intelligent prevention and control equipment and a software platform are integrated; the Internet of Things sensor network monitors environmental parameters and pest and disease damage signs in real time, the unmanned aerial vehicle inspection system provides aerial inspection support, and the high-definition monitoring camera network realizes 24-hour uninterrupted monitoring on the ground; the software platform is responsible for data acquisition, transmission, analysis and early warning release, and provides a remote control interface for management personnel to perform accurate prevention and control; the intelligent prevention and control equipment automatically or remotely executes prevention and control tasks according to the monitoring data and the early warning information; the system also has additional functions of energy management, network communication, user authority management and the like, and continuous and stable operation and data security of the system are ensured. The implementation of the system can effectively improve the intelligent level of mangrove forest pest control, and provides powerful support for protecting a mangrove forest ecological system.
Owner:GONGBEI CUSTOMS TECH CENT

Forest pest and disease damage accurate spraying system based on unmanned aerial vehicle

The invention provides an unmanned aerial vehicle-based accurate spraying system for forest diseases and insect pests, and relates to the technical field of disease and insect pest treatment, and the system comprises a real-time monitoring module which is used for carrying out real-time monitoring on a forest region; the division and identification module is used for carrying out detection and classification, generating a data classification result, carrying out division and identification on the forest region and determining grid parameters of the forest region; the diffusion prediction module is used for performing disease and pest diffusion prediction to obtain a disease and pest diffusion coefficient; the synchronous updating module is used for constructing a pest and disease prediction spreading trend; and the precise spraying module is used for formulating a spraying task, executing and carrying out effect evaluation, carrying out dynamic feedback optimization, generating a spraying optimization task and carrying out precise spraying of diseases and insect pests. The technical problems that in the prior art, small differences between plant diseases and insect pests and healthy plants are often difficult to distinguish accurately, especially when the plant diseases and insect pests are distributed dispersedly or hidden, spraying leakage or spraying non-uniformity exists, and then the spraying effect is insufficient are solved.
Owner:FEIXIAN STATE-OWNED FOREST FARM

Metarhizium aureoviride strain YEC and application thereof in prevention and treatment of teak camel moths

ActiveCN119530023AThe cultivation method is simplepromote growthBiocideFungiMangroveVermin
The invention discloses a metarhizium aureoviride strain YEC and application of the metarhizium aureoviride strain YEC in prevention and treatment of teak camel moths. The Metarhizium anisoviride YEC provided by the invention is separated from soil in Guangdong province, can infect mangrove forest pests, namely teak camel moths, and can have relatively high fatality rate and stiff insect rate on the teak camel moths within a short time. The metarhizium aureoviride strain YEC is a biological control strain with potential development and application value in control of mangrove forest pests.
Owner:GUANGDONG ACAD OF FORESTRY +1

Forest pest and disease development trend prediction method and system combined with remote sensing monitoring

The invention discloses a forest pest and disease development trend prediction method and system combined with remote sensing monitoring, and relates to the related field of forestry monitoring data processing, and the method comprises the steps: carrying out the remote sensing monitoring of a target forest, building a remote sensing image data set, calling ground monitoring data, and carrying out the rasterization based on a time step after the interpolation; performing multi-feature joint extraction on the remote sensing image data set, and superposing extraction results to a unified grid to form a multi-layer feature map; constructing a joint feature matrix by using the rasterized data and the multi-layer feature map, and performing pest distribution identification through a classification model; performing pest development trend prediction by taking the pest distribution diagram as a basic feature and taking the combined feature matrix as an additional feature; and according to a development trend prediction result, carrying out pest abnormity early warning. The technical problem of insufficient prediction accuracy caused by insufficient monitoring efficiency and accuracy in existing forest pest development trend prediction is solved, and the technical effects of improving the monitoring efficiency and accuracy and improving the pest prediction accuracy are achieved.
Owner:日照市林业保护和发展服务中心

Forest pest recognition and positioning method based on deep learning

The invention discloses a forest pine nematode disease identification and positioning method based on deep learning, and the method comprises the steps: constructing a multi-modal data set through the fusion of LiDAR point cloud, image data and time sequence information, and employing the advantages of a convolutional neural network (CNN), a graph neural network (GNN) and a long short-term memory network (LSTM) in the method, thereby achieving the recognition and positioning of the forest pine nematode disease. According to the method, high-precision capture and analysis of tree geometric structure information and time change conditions are realized, and a scientific basis can be provided for tracking the origin of pathogens by determining an initial infection source, so that a more effective control strategy is formulated; by generating the infection probability graph and predicting the transmission path of the pine nematode disease, the transmission of the pine nematode disease can be predicted in advance, and the source of the pine nematode disease can be found; compared with the prior art, prevention measures can be taken more quickly, the risk of pine nematode disease diffusion is reduced, and the efficiency and accuracy of forest pine nematode disease monitoring are improved.
Owner:YANTU HUIYUN (SUZHOU) INFORMATION TECH CO LTD

Intelligent ecological light-operated pest trapping device

The invention discloses an intelligent ecological light-controlled pest trapping device, belongs to the technical field of intelligent trapping of forest pests, and aims to solve the problem that a related pest trapping device cannot flexibly adjust the color of light according to the difference of insect types. Comprising a camera, a data processing device and a light source device, and the camera is used for collecting image data of pests; the data processing equipment is in communication connection with the camera so as to receive the image data, and the data processing equipment comprises an identification counting module which is used for determining a first pest type according to the image data; the first pest type is the pest type with the largest proportion in all pest types; the light source device can adjust the wavelength of light emitted by the light source device, the data processing equipment is in communication connection with the light source device, and the data processing equipment further comprises a wavelength adjusting module which is used for matching a first pest type with preset pest spectrum sensitivity data, determining first wavelength data of the light source device and sending the first wavelength data to the light source device; and adjusting the wavelength of the light emitted by the light source device according to the first wavelength data.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Forest pest and disease identification method based on data analysis

The invention relates to the technical field of data analysis, and further relates to a forest pest and disease identification method based on data analysis, and the method comprises the steps: 1, obtaining an aviation orthoimage of a target forest region and a trapping point count in a set time interval, and associating the trapping count to a sample region unit according to the recent affiliation; 2, a composite simplex complex composed of a plaque layer, a sample area layer and a trapping layer is constructed on a forest map grid, counter examples are screened out through a two-stage verifier, and then suspected pest and disease damage triggering units are output; step 3, establishing a disease and insect pest atlas database, and describing typical modes by disease type topological fingerprints; and carrying out similarity judgment on the topological evidence packet and the disease type topological fingerprint to generate a disease type, a range and a credibility level, and carrying out layering labeling on a forest map grid. According to the method, the fine-grained structure change of diseases and insect pests can be captured in an early stage, and the recognition accuracy and interpretability are improved through multi-source evidence synthesis.
Owner:SICHUAN AGRI UNIV

Natural enemy insect release device for forest pest control

The invention relates to the technical field of pest control, and discloses a natural enemy insect release device for forest pest control, which comprises an unmanned aerial vehicle body capable of identifying and detecting the state of a tree, a putting mechanism arranged below the unmanned aerial vehicle body and a feeding pipe arranged in the putting mechanism, and a pull rope is arranged at the upper end of the feeding pipe. A fixing shaft is fixedly installed at the upper end of the pull rope, a plurality of guide vanes are fixedly installed on the outer side of the fixing shaft, a fixing cylinder with an opening formed in one end is fixedly installed on the guide vanes, the opening is located in the end, away from the fixing shaft, of the fixing cylinder, a balance weight bead is movably installed in the fixing cylinder, and a winding wire is connected between the balance weight bead and the cylinder wall of the fixing cylinder; the lower end of the feeding pipe is provided with a blocking piece which enables the feeding pipe to be communicated inside and outside when the feeding pipe is put. The natural enemy insect releaser aims at solving the problems that a feeding pipe of an existing natural enemy insect releaser is put on the ground, so that insects cannot quickly reach target trees, and diseases and pests of the target trees cannot be prevented and controlled.
Owner:CHONGQING HANYE GARDEN ENG CO LTD

Forest pest and disease damage prediction system based on data analysis

InactiveCN120296495AOccurrence dataDisease damage
The invention relates to the technical field of pest control, in particular to a forest pest prediction system based on data analysis, which comprises a data preprocessing module, a dynamic weight distribution module, a pest feature recognition module, a prediction model training module and a prediction result output module. According to the method, the feature weight is dynamically adjusted through error distribution analysis, the influence of each feature on a pest event is accurately quantified, the adaptability of weight distribution is improved, multi-feature correlation analysis is combined, key features highly related to pest and disease damage are screened, interference of irrelevant factors is reduced, the model input quality is enhanced, and the weight error change trend is dynamically calculated. According to the method, time sequence optimal weight configuration is formed, high-precision prediction of the occurrence trend of diseases and insect pests is realized, the risk distribution trend is quantified and risk areas are divided based on comparison of prediction data and actual occurrence data, a scientific space-time evaluation result is provided for prevention and control of diseases and insect pests, and accurate prevention and control resource configuration is facilitated.
Owner:WUHAN BORUI CENTURY LANDSCAPE ENG CO LTD

Forest pest and disease monitoring system based on three-dimensional remote sensing and monitoring method thereof

The invention discloses a forest pest monitoring system and method based on three-dimensional remote sensing. The method comprises the steps of 1, collecting remote sensing original data; 2, constructing a standardized space structure data set; 3, constructing a standardized spectral feature set; 4, executing trunk state modeling, structure enhancement modeling and spectrum injection modulation through an improved Vision Mama network, and generating a joint feature tensor; step 5, performing disease and pest area detection, grade classification and type identification on the combined feature tensor to generate a disease and pest area detection result set; step 6, obtaining a historical disease and pest region detection result set, extracting time evolution characteristics of diseases and pests through a pre-trained ConvLSTM model, and outputting a trend prediction result set; and 7, uploading the disease and insect pest area detection result set and the trend prediction result set to a visual interface for visual display. According to the method, the space-time modeling capability and the intelligent early warning level of forest pest and disease monitoring are improved.
Owner:YUNNAN BAIYUN INFORMATION TECHNOLOGY CO LTD

Punching and medicine injection device

The utility model belongs to the technical field of forest pest control equipment, particularly relates to a punching and pesticide injection device, and aims to solve the problems that when punching and pesticide injection are carried out on trees at present, a worker generally needs to hold a drilling machine by hand to drill holes, the operation is troublesome and laborious, and the drilling angle is difficult to fix. The fixing plates are mounted on the right side of the mounting plate, the number of the fixing plates is two, the same positioning shaft is rotatably connected between the two fixing plates, a positioning plate is movably connected to the positioning shaft, an air cylinder is mounted on the positioning plate, a drilling machine is mounted on a piston of the air cylinder, and an injector is mounted at the top of the positioning plate; and two placing plates which are symmetrically arranged are fixedly mounted on the positioning shaft. The device is simple in structure and convenient to use, the device can be conveniently and rapidly fixed to a tree, meanwhile, drilling and medicine injection can be conducted on the tree at different angles, and people can conveniently use the device.
Owner:BEIJING PINANO TECH CO LTD

Insect-trapping lamp for preventing and treating forestry diseases and pests

The utility model discloses a forestry pest control trap lamp which comprises a top frame, a pesticide box is installed on the top plate, the pesticide box is communicated with a pesticide pump, the pesticide pump is communicated with a pipe frame, an installation plate is installed on the pipe frame, a trap lamp is installed on the installation plate, a net frame is installed on the installation plate, and sponge is arranged in the net frame. The mounting plate is provided with a power grid, the power grid is in sliding connection with a brush holder, the bottom end of the power grid is provided with a transverse plate, the transverse plate is fixedly connected with a bottom frame, the bottom frame is in sliding connection with a filter frame, the filter frame is provided with a pull plate, the pull plate is provided with a clamping frame, the clamping frame is in buckle connection with a buckle frame, and a fan is arranged in the bottom frame. The fan is started to drive insect corpses on the power grid to fall into the filter frame to be collected, the brush frame continuously moves up and down to brush the surface of the power grid, and the insect corpses are conveniently cleaned; when the illumination sensor detects that light is strong, the pesticide pump is started to extract the attractant in the pesticide box and convey the attractant into the sponge.
Owner:臧振华 +2

Trunk punching and pesticide injection device for forest pest control

The tree trunk punching and pesticide injection device comprises a drilling gun body, a drill bit is coaxially arranged at the left end of a rotating shaft, the interior of the drill bit is of a hollow structure, and pesticide injection holes are formed in the left side of the exterior of the drill bit in the circumferential direction; the medicine injection barrel is arranged on the rear portion of the drilling gun body, the left side of the outer portion of an inner inserting rod is circumferentially connected with a sealing piece, and the left side of a sealing disc is connected with a first spring; and the screw rod is screwed at the top of the rotating shaft. According to the tree trunk punching and pesticide injection device for forest pest control, an inner inserting rod is pressed to drive a sealing piece to move, so that a pesticide injection hole can be blocked through the sealing piece, wood chips can be prevented from blocking the interior of a drill bit in the drilling process of the drill bit, meanwhile, a screw can be reversely rotated, and then the inner inserting rod can be reset under the action of the elastic force of a first spring; the sealing piece is moved away from the bottom of the medicine injection hole, and the smoothness of the liquid injection process is improved.
Owner:NANJING FORESTRY UNIV

Prevention and control trap for forest diseases and insect pests

The utility model discloses a prevention and control trap for forest pest and disease damage, including adjusting rod, base, power grid and collecting tray, base is fixedly installed on the top of adjusting rod, power grid is fixedly connected on the top of base, collecting tray is fixedly installed on the bottom of base, both sides of base are provided with baffle ring, the baffle ring is fixed on the baffle ring, and the baffle ring is fixed on the baffle ring. The blocking ring is movably connected to the inner wall of the collecting disc. By arranging the blocking ring, the mounting hole and the positioning assembly, the blocking ring can be effectively mounted and positioned by the positioning assembly through the mounting hole, pests fall into the collecting disc through the blocking ring after being caught by a power grid, and then the pests in the collecting disc can be blocked through the blocking ring; the device solves the problems that the device is lack of a protection structure, a collection box cannot be protected after pests are collected through a collection disc, the pests in the collection box splash all around during wind blowing or raining, and the surrounding environment is affected.
Owner:齐齐哈尔市森林病虫防治检疫站(齐齐哈尔市林木种苗站)

Method for predicting probability or degree of occurrence of plant diseases and insect pests of single forest tree

The invention discloses a method for predicting the probability or degree of occurrence of plant diseases and insect pests of a single forest tree. The method comprises the following steps of: predicting the probability or degree of occurrence of the plant diseases and insect pests of the single forest tree by using a cluster index vi of SADIE (Spatial Analysis Distance Indices) as an explanatory variable. The prediction can be carried out on a global scale (the whole investigation area), and can also be carried out on a local scale (a circle taking a single forest tree as a circle center). When local scale prediction is carried out, investigation is carried out on a series of circles with different radiuses, models on different radius scales are established, and then a summary effect of coefficients is obtained by using a Meta analysis method for prediction. The method can provide a suitable prediction method for forest pest control work.
Owner:NORTHEAST FORESTRY UNIV

Forestry disease and insect pest real-time monitoring method and system

The invention provides a forestry pest and disease damage real-time monitoring method and system, and relates to the technical field of data processing, and the method comprises the steps: selecting a position A of an early warning node, a node position B with the maximum yield per unit time in a past one hour, and a node position C with the maximum spatial distribution dispersion; forming a monitoring unit according to the position A, the node position B and the node position C of the early warning node; calculating the radius of a circumcircle of the measurement unit, and determining the grid division density based on the radius of the circumcircle; according to the grid division density, performing adaptive grid division on the monitoring unit to obtain a plurality of grid units; generating a space risk adjustment value according to the space distribution characteristics of the grid units; constructing a spatial diffusion model according to the regional and spatial risk adjustment values of the collaborative outbreak phenomenon; obtaining an insect condition risk level according to the spatial diffusion model; and generating a comprehensive insect condition early warning according to the insect condition risk level. According to the method, the time sequence mutation can be dynamically sensed, and the spatial diffusion risk can be accurately evaluated.
Owner:甘肃祁连山国家级自然保护区管护中心祁连自然保护站(大熊猫祁连山国家公园甘肃省管理局张掖分局祁连保护站)

Artificial mangrove forest pest monitoring and early warning method and system

The invention discloses an artificial mangrove forest pest monitoring and early warning method and system, and belongs to the technical field of ecological environment monitoring, and the method comprises the steps: collecting multi-frequency pest acoustic signals and low-altitude thermal infrared image data, constructing a pest energy density field, and forming a multi-dimensional propagation feature matrix; establishing a pest risk node map based on the matrix, simulating a propagation path and calculating a pest energy coupling strength coefficient; carrying out energy refraction remapping and abnormal superposition region identification, extracting an energy convergence core region, and generating a propagation trend trajectory diagram; constructing a combined prediction model of the microscopic infection characteristics and the macroscopic diffusion situation of the insect pests, outputting an evolution stage risk curve, and identifying secondary outbreak latent points; the method has high adaptability, high accuracy and response preposition, and the intelligent level of mangrove forest pest monitoring and early warning is remarkably improved.
Owner:ZHEJIANG SUB TROPICS CROP INST

Forestry pest intelligent prevention and early warning method and system based on image recognition

The invention discloses a forestry pest intelligent prevention and early warning method and system based on image recognition, and the method comprises the steps: firstly obtaining a multi-dimensional image comprising different spectral frequency bands and spatial resolutions, carrying out the processing of a texture optimization model of multi-dimensional image fusion, and deeply mining the texture features of pests to form a fusion image; then, a forestry pest population recognition algorithm is combined with various parameters such as body types and antennas to judge population types; establishing a spatial distribution model based on categories and related parameters, and predicting a development trend in combination with a growth cycle and environmental adaptability parameters; and finally, generating prevention and early warning information by integrating the category, distribution and prediction data. The system comprises six units including a multi-dimensional image acquisition unit and an image fusion processing unit, all the units cooperate with one another, the whole process processing from image acquisition to early warning information generation is achieved, and an efficient and accurate technical scheme is provided for forestry pest prevention and control.
Owner:TIBET HONGZHIYA IND CO LTD

Forest pest control infusion device

The invention discloses a forest pest control infusion device, relates to the technical field of forestry control equipment, and aims to solve the problems that an existing forest infusion device is large in size and loose in structure, needs additional accessories for carrying in complex terrains, increases load and is easy to lose and damage parts; the technical problems that during drilling installation, the hole diameter is difficult to control, liquid medicine leaks easily, an inserting needle is difficult to fix or a tree trunk is damaged secondarily, a guide pipe is blocked due to the fact that wood chips are not cleaned thoroughly, and infusion is forced to be interrupted and drilling is carried out again are solved. The gun drill is adopted for providing power, so that the use size of the device is reduced, the infusion step can be completed by opening the control valve with the other hand after punching is completed, the use difficulty of the device is reduced, meanwhile, a drill bit does not need to be taken out after punching is completed, and an additional infusion device does not need to be adopted; by means of the integrated design, the tedious steps of replacing equipment are omitted, the drill bit does not need to be repeatedly inserted and pulled, and then secondary damage to forest trees is avoided.
Owner:SHANDONG SHENGYOUJIA BIOLOGICAL CONTROL CO LTD

Monochamus alternatus trapping device

The utility model relates to the field of forest pest control, and particularly discloses a monochamus alternatus trapping device which comprises a pair of trapping plates, the surfaces of the trapping plates are white, the two trapping plates are oppositely inserted in the length direction of the trapping plates, and a collision area is formed between every two adjacent trapping plates. The lower end of the trapping plate is connected with a conveying hopper, and the output end of the conveying hopper is connected with a detachable collecting barrel. According to the trapping device, the oppositely-inserted trapping plate structure is adopted to increase the trapping area, when the trapping device is used, long-horned beetles collide with the trapping plates according to the tendency of the long-horned beetles to the white color, the long-horned beetles are conveyed into the collecting barrel through the conveying hopper, and then trapping of the long-horned beetles is completed; compared with trapping structures in other colors, the white structure is adopted as the trapping core, so that the trapping effect is better; the whole device is simple and reasonable in structure, convenient to use, high in trapping efficiency, low in production cost and easy to popularize and apply, and has important significance on controlling harm of monochamus alternatus.
Owner:SHENZHEN MEGO TECH CO LTD

Forest pest prediction method and system and readable storage medium

The invention provides a forest insect pest prediction method and system and a readable storage medium, and relates to the technical field of forest insect pest prediction.The forest is divided into a plurality of grids, main forest tree types, forest tree characteristics, soil characteristics and meteorological data of each grid are collected, and scientific assessment and management of insect pest risks are achieved. The method mainly comprises the following steps: firstly, carrying out characteristic parameter acquisition on grids, and carrying out similar grid group division based on soil characteristics; secondly, constructing an insect pest prediction model through a random forest algorithm, training by utilizing insect pest data of a sample grid, and predicting insect pest severity levels of other grids; and finally, analyzing the pest severity level change of each grid at the current and historical moments, generating an alarm index, and sending out a corresponding alarm signal according to a preset threshold value. According to the method, the environmental suitability index and the forest vulnerability index are combined, the insect attack grade is determined by adopting the expert scoring method, and the insect attack risk can be effectively monitored and early warned, so that a scientific basis is provided for forest management.
Owner:YANAN UNIV

Intelligent forest pest and disease damage identification method based on unmanned aerial vehicle remote sensing

The invention relates to the technical field of image processing, in particular to a forest pest intelligent identification method based on unmanned aerial vehicle remote sensing, which comprises the following steps: analyzing the position distribution condition of pixel points in each suspected pest connected domain in an LAB color space coordinate system, and obtaining the green sensitivity of each suspected pest connected domain; dividing all suspected pest and disease connected domains into high green sensitivity connected domains and low green sensitivity connected domains based on green sensitivity; acquiring an enhancement coefficient of a remote sensing grayscale image of the to-be-detected man-made forest according to a grayscale difference condition of pixel points between the high green sensitivity connected domain and the low green sensitivity connected domain and the edge feature parameters; enhancing the remote sensing grayscale image of the to-be-detected man-made forest according to the enhancement coefficient to obtain an enhanced remote sensing image of the to-be-detected man-made forest; and performing intelligent forest disease and insect pest identification based on the enhanced remote sensing image of the to-be-detected man-made forest. According to the invention, the recognition degree of the forest regions with diseases and pests in the man-made forest is improved.
Owner:SHENZHEN HENGSHENG FOREST FIRE FIGHTING EQUIP CO

Forest disease and pest control spraying device

The utility model belongs to the technical field of forest disease and pest control, and particularly relates to a forest disease and pest control spraying device which comprises a straight pipe, a piston plate is slidably mounted in the straight pipe, a connecting rod is mounted on the top side of the piston plate, a threaded rod is rotatably mounted on the bottom side of a mounting frame, and a worm gear is mounted on the outer side of the bottom end of the threaded rod. A guide rod is mounted on the top side of the mounting frame, and a worm is mounted on the outer side of the rotating shaft; a servo motor is started, a rotating shaft at the output end of the servo motor drives a worm to rotate, rotation of the worm drives a worm gear to rotate, then a threaded rod rotates, a connecting rod vertically ascends and descends along a guide rod, the connecting rod drives a piston plate to synchronously ascend and descend in a straight pipe, if a forest tree is high, the threaded rod drives the piston plate to ascend, the spraying coverage range of a spraying nozzle is enlarged, and the forest tree is short; the piston plate descends, the spraying area is reduced, the spraying height is accurately adjusted, liquid medicine is intensively sprayed to forest tree parts needing prevention and control, and waste of the liquid medicine is reduced.
Owner:NANJING LINWEI ECOLOGICAL AGRI TECH CO LTD

A device for monitoring damage by forest pests

The application provides a forestry pest damage monitoring device, and relates to the field of forestry pest monitoring. The device comprises a base and an ultraviolet insecticidal lamp. The upper surface of the base is fixedly connected with a monitoring table. The upper surface of the monitoring table is fixedly connected with support columns in a symmetrical manner. The upper surface of the support columns is fixedly connected with mounting plates. The upper surface of the mounting plates is fixedly connected with support plates in a symmetrical manner. The upper surface of the support plates is fixedly installed with a top plate. The ultraviolet insecticidal lamp is fixedly installed on the lower surface of the top plate. The device can attract pests by the ultraviolet insecticidal lamp, and the pests can be knocked off and dropped into the through groove through the guide cylinder and then dropped onto the middle of the upper surface of the monitoring table. When the pests are accumulated on the surface of the monitoring table, the accumulated pests can be swept into the collecting groove by starting the cleaning assembly, and then dropped into the collecting assembly for collection. The device can prevent a large number of pests from being accumulated on the monitoring table and overlapping together, and the long-term non-treatment can affect the monitoring condition of the infrared sensor and the monitoring effect.
Owner:INNER MONGOLIA NONGXIN TECH CO LTD

Intelligent forest pest monitoring method based on remote sensing of unmanned aerial vehicle

The invention relates to the technical field of pest monitoring, in particular to a forest pest intelligent monitoring method based on unmanned aerial vehicle remote sensing. Hyperspectral data and a plurality of forest images of each measuring point of the to-be-measured forest area at different shooting positions are acquired; and determining insect pest characteristic values by using the spectral curve change difference of the hyperspectral data and the wavelength absorbance. Considering that the insect pest area range is gradually expanded and adjacent measuring points have similar characteristics, the mutation of insect pest characteristic values between the measuring points at the same shooting position is analyzed to obtain an insect pest mutation coefficient, and the jitter influence of the unmanned aerial vehicle is represented. And analyzing the number and position features of the edge lines and the ghost lines in the forest image, and determining a shooting jitter feature value. And in combination with the pest mutation coefficient and the shooting jitter characteristic value, the reference value of the pest characteristic value of each measuring point is quantified, the shooting position less affected by the jitter of the unmanned aerial vehicle is screened, and finally monitoring is performed based on the pest characteristic value under the screened shooting position, so that the accuracy is improved.
Owner:SHENZHEN HENGSHENG FOREST FIRE FIGHTING EQUIP CO

Forestry pest trapping box easy to disassemble

The utility model relates to the technical field of forestry pest trapping devices, and discloses an easily-detachable forestry pest trapping box which comprises a first transparent shell, a second transparent shell is arranged on the inner bottom wall of the first transparent shell, and a box cover tightly attached to the top of the second transparent shell is arranged on the top of the first transparent shell. A deinsectization assembly is arranged at the bottom of the box cover, and conical inlet pipes with one ends communicating with the inner wall of the second transparent shell are arranged on the left side wall and the right side wall of the first transparent shell correspondingly. According to the forestry pest trapping box easy to disassemble, by arranging the lock catch assembly, when the box cover needs to be disassembled, a worker can pull two lock catches towards the two sides, so that the lock catches are separated from lock catch bases, and at the moment, the box cover can be disassembled from the first transparent shell; and the box cover can be disassembled without rotating the box cover, so that the disassembly is relatively convenient, the practicability of the device is improved, and the device is convenient to use by a worker.
Owner:SHIYAN LUXIN FORESTRY DEVELOPMENT CO LTD