27 results about "Citrus tree" patented technology

The present application relates to the technical field of resource utilization of fruit tree branches, and provides a method for returning citrus branches to the orchard, which comprises the following steps: (1) crushing and fermenting the pruned citrus branches, and mixing the branches with organic fertilizer to obtain material A; (2) digging a ditch along a direction parallel to the tangent of the tree crown drip line; and (3) applying the material A obtained in the step (2) into the ditch, and then covering the ditch with soil. The method for returning citrus branches to the orchard can significantly improve the diversity of arbuscular mycorrhizal fungi and the stability of the community structure in the soil, and promote more arbuscular mycorrhizal fungi to act on the rhizosphere soil and root hairs of citrus, so as to effectively improve the physicochemical properties of the soil and promote the growth and development of citrus. The method for returning citrus branches to the orchard is a resource utilization of waste, and can better promote the green, low-carbon, efficient and sustainable development of the citrus industry.

The utility model belongs to the technical field of agricultural machinery, and particularly relates to an anti-brown-spot layered pruning support suitable for canopies of tangelo trees. Comprising first connecting rods, second connecting rods, first connectors, second connectors and telescopic stand columns, the multiple first connecting rods and the multiple first connectors are connected to form a first closed loop, the multiple second connecting rods and the multiple second connectors are connected to form a second closed loop, and the adjacent first connectors are connected with the second connectors. Layered pruning management is achieved, the light transmittance is improved, humidity accumulation is reduced, the support can be rapidly assembled, the device adapts to different tree ages and tree forms, the manual climbing risk is reduced, operation is easy and convenient, and practicability is high.

The invention discloses a smart agricultural variable fertilization control system and method based on image recognition, and relates to the technical field of smart agriculture, and the method comprises the steps: collecting an orchard multi-source image and laser radar data through an unmanned aerial vehicle, and dividing an orchard into different microclimate management units according to topographic features; extracting the vein mesophyll color difference ratio of the citrus leaves from the visible light image, correcting the traditional spectral index, and eliminating the interference of light environment difference on nutrition diagnosis; based on the corrected spectral index, establishing a nitrogen demand model in combination with terrain and tree body parameters, and generating a single-plant personalized variable fertilization prescription map; and importing the prescription map into the intelligent fertilizer applicator, and controlling fertilizer discharge to execute variable-rate fertilizer application operation by locating and inquiring the fertilizer application amount in real time. According to the method, the dynamic compensation model based on the vein and mesophyll color difference ratio is constructed, the leaf morphological characteristics and the spectral information are cooperatively processed, the traditional vegetation index is dynamically corrected, and the spectral response deviation caused by the light environment difference under the complex terrain can be reduced.

The invention discloses a comprehensive nutrition regulation and control method for improving overwintering cold resistance of citrus fruit trees, and relates to the field of fruit tree cultivation, and the method comprises the following steps: S1, soil conditioning and mycorrhiza inoculation after fruit picking: determining the content of rapidly available phosphorus in orchard soil, when the content of rapidly available phosphorus is greater than 30mg / kg, firstly applying humic acid and calcium magnesium phosphate fertilizer for phosphorus reduction treatment, and after the content of rapidly available phosphorus is reduced to be less than or equal to 20mg / kg, then applying a nutrient solution; digging radial short ditches on the inner side of a water drip of a tree crown, mixing a pre-activated arbuscular mycorrhizal fungus inoculant with an organic carrier, filling the mixture into the ditches, and earthing and watering; according to the comprehensive nutrition regulation and control method for improving the overwintering cold resistance of the citrus fruit trees, through soil phosphorus pre-regulation and local enrichment inoculation methods, the mycorrhizal fungus colonization rate is increased to 50% or above from less than 20%, and the mycorrhizal inoculation effect and the input-output ratio are remarkably improved.

The invention provides a hyperspectrum-based citrus leaf lesion diagnosis system and a hyperspectrum-based citrus leaf lesion diagnosis method, and the hyperspectrum-based citrus leaf lesion diagnosis system and the hyperspectrum-based citrus leaf lesion diagnosis method disclosed by the invention have the advantages that on the basis of analyzing hyperspectral imaging data of citrus leaves without diseases, lack of nutrients, black spots and yellow shoot; three parameters of yellow wave band reflectivity, infrared wave band slope and inflection point wavelength are used as characteristic quantities, and classification of four types of blades is realized by applying a support vector machine (RBF-SVM) classification model based on a Gaussian radial basis kernel function. The method solves the problems that when citrus tree disease information is detected through a field detection method at present, long-time observation with eyes is needed, subjective judgment of observers is depended, and misjudgment is likely to be caused; according to the present invention, the problem that the citrus tree disease information detection by using the chemical detection method needs the special person to detect by using the professional equipment so as not to accurately and rapidly detect each production stage of the citrus tree can be solved, and the citrus leaf disease can be rapidly and accurately diagnosed.

This utility model provides a protective device for citrus trees against frost damage, comprising a first elastic sleeve, a cold-proof cloth layer, and a second elastic sleeve. The first elastic sleeve is positioned above the second elastic sleeve. A first elastic band and a second elastic band are respectively wrapped inside the first and second elastic sleeves. A cold-proof cloth layer is sewn between the first and second elastic sleeves. An insulation cotton layer is attached to the inner side of the cold-proof cloth layer, and a non-woven fabric layer is sewn to the inner side of the insulation cotton layer. A first sewn fabric is sewn to the left side of the cold-proof cloth layer, and a second sewn fabric is sewn to the right side. Multiple Velcro loops are sewn onto the outer surface of the first sewn fabric. This design solves the problems of fixed dimensions, poor versatility, easy insulation failure or damage to the citrus tree surface, and complex installation of existing low-temperature protection devices for late-maturing citrus trees. This utility model, with its multi-layered structure, can protect the main trunk of the citrus tree from frost damage. Its flexible design facilitates installation on citrus trees of different thicknesses and curvatures, and its operation is simple.

This invention relates to the application of a thiazolium copper and glucan composition for the control of citrus Huanglongbing (HLB), belonging to the field of biotechnology. The application of the glucan composition of this invention in the control of citrus HLB shows significant effects on the control of HLB and the recovery of citrus tree vigor. The glucan and thiazolium copper suspension have a synergistic effect, which can improve the control efficacy of citrus HLB, reduce the dosage, reduce the number of applications, and lower the cost.

The utility model relates to the technical field of irrigation devices, in particular to an irrigation device for citrus cultivation, which comprises a circulation mechanism and a supporting mechanism, the circulation mechanism comprises a drip irrigation connection barrel and connection threaded barrels arranged at two ends of the drip irrigation connection barrel, and connection screw holes are formed in the connection threaded barrels; the supporting mechanism comprises an external pipe installed on the circumferential side face of the drip irrigation connecting cylinder. The end, away from the drip irrigation connecting cylinder, of the external pipe is connected with an erecting assembly. According to the device, by arranging the drip irrigation connecting cylinder with the conveying water pipes at the two ends, the drip irrigation connecting cylinder can be placed near a citrus tree to be irrigated, the conveying water pipes are connected with an external water source, and the irrigation water source can enter the erecting assembly through an external pipe; the assembly is erected, and then a water source uniformly drips onto the soil of the root system of the citrus tree through the water outlet bent pipe, so that the irrigation uniformity can be improved, the pipe orifice can be pulled up, and the situation that the pipe orifice is blocked by a mud-water mixture is avoided.

The utility model discloses a grooving cutter for citrus tree grafting, and belongs to the field of fruit tree grafting tools. A grooving cutter for citrus tree grafting comprises a cutter handle and a cutter head rotationally connected to the cutter handle, and further comprises a blocking strip installed on the cutter handle, a protection pad is fixedly connected to the side, close to the cutter handle, of the blocking strip, a forming groove is formed in the protection pad, an elastic piece is arranged on the cutter handle, and when the blocking strip is subjected to external acting force, the elastic piece is fixed to the cutter handle. A clamping area is formed between the protection pad and the knife handle through the elastic force of the elastic piece and used for limiting fingers in the forming groove, and a carborundum sharpening stone used for sharpening the knife head is installed on the knife handle. The blocking strip and the protection pad are adjusted through the elastic piece, the hand of a user can be clamped in a self-adaptive mode, the situation that the grooving cutter falls off due to fatigue of the hand is avoided, meanwhile, the detachable carborundum sharpening stone is integrated on the cutter handle, the user can conveniently polish and maintain the cutter head, and therefore the grafting efficiency of citrus trees is improved.

This invention belongs to the field of citrus cultivation technology, specifically relating to a method for increasing the β-cryptoxanthin content in mandarin oranges through artificial lighting. This invention involves applying specific wavelengths of artificial lighting to fully mature mandarin orange trees, including Satsuma mandarins, during the period from late September (Autumn Equinox) to the harvest season when natural daylight hours are shorter. This effectively increases the β-cryptoxanthin content in mandarin oranges. Furthermore, the method described in this invention is simple, easy to implement, low-cost, and suitable for widespread application.

The utility model discloses a kind of rapid fertilizing device for pericarpium citri reticulatae planting, it is related to fertilizing device technical field, including mobile car, the mobile car upper end is provided with storage tank, the lower end of the storage tank is connected with two symmetrical settings have hopper, the hopper lower end is provided with material spraying distance adjusting mechanism, material spraying distance adjusting mechanism includes: downcomer, the downcomer is obliquely arranged, and its upper end is connected with hopper;Moving pipe, the moving pipe is also obliquely arranged, and its sliding connection is in downcomer outer end;Rotary cap, the rotary cap is conical, and its outer surface is provided with protruding strip, and the rotary cap is located in moving pipe tail lower end.The utility model design structure is reasonable, and it can be according to the planting row distance of citrus tree, and fertilizer is accurately applied to root system concentrated distribution area, avoid fertilizer waste, improve fertilizer utilization, solve the problem that traditional fertilizing device is difficult to adjust fertilizing area according to planting row distance, and it is prone to cause fertilizer waste.

The invention belongs to the technical field of plant disease prevention and control, and particularly relates to application of epicatechin and protocatechuic acid in prevention and control of citrus huanglongbing. Through systematic experimental research and application verification, it is found that epicatechin and protocatechuic acid can remarkably inhibit the number of citrus huanglongbing pathogenic bacteria, have a good synergistic effect, can remarkably improve the overall health condition of citrus trees and have excellent application prospects and popularization value. As epicatechin and protocatechuic acid have the characteristics of being natural, environment-friendly and efficient, the epicatechin and protocatechuic acid show important application potential in the field of prevention and treatment of the citrus huanglongbing, and are expected to become novel key tools in the field. The discovery not only provides a new thought for green prevention and control of the citrus huanglongbing, but also provides powerful technical support for sustainable development of the global citrus industry, and is of great significance for guaranteeing stable development of the industry.

The invention discloses a flower and fruit retention and peel beautifying method for citrus, and aims to solve the problems that although the fruit setting rate can be increased by the existing fruit retention technology, the peel thickening and peel cracking are easily caused, and the concentration of a single nutrient in soil is too high due to the application of a large amount of inorganic simple substance fertilizers with high nitrogen, high phosphorus and the like. According to the method, growth regulators of a benzylamino.gibberellic acid A4 + A7 composite formula and a gibberellic acid A4 + A7 formula are sprayed at low concentration for multiple times, A4 and A7 are matched with each other and synergistically form standard fruit shapes, flowers and fruits can be preserved, fruit peels can be beautified, the pesticide effects of A4 and A7 are soft, rough fruit peels cannot be caused, the stress resistance of fruit surfaces can be improved, and the fruit quality is improved. The added surfactant enhances the permeation of the liquid medicine, the trace element fertilizer supplements calcium and boron elements and enhances the formation of a peel wax coat, the incidence rate of citrus can be reduced, the fruit setting of citrus is facilitated, the synthesis of chlorophyll can be promoted, the flavor and fruit size of citrus and the growth vigor of citrus fruit trees are ensured, and the quality and yield of citrus are effectively improved.

The application relates to application of a thiazole zinc and glucoside composition for preventing and treating citrus Huanglongbing, and belongs to the technical field of biotechnology. The application of the glucoside composition in the prevention and control of citrus Huanglongbing shows remarkable effects on the control of citrus Huanglongbing and the recovery of citrus tree vigor. The thiazole zinc and glucoside suspension agent has a synergistic effect, can improve the effect of preventing and treating citrus Huanglongbing, reduce the application amount, reduce the use frequency, and reduce the use cost.

The invention discloses a rapid detection system for citrus liberobacter asiaticum based on infrared imaging, which relates to the technical field of citrus disease detection and comprises a data acquisition module, an environment correction module, a leaf extraction module, a feature calculation module and an infection identification module. The data acquisition module is used for deploying infrared thermal imaging equipment at key observation points of citrus tree canopies and acquiring infrared radiation images and environment temperature and humidity; the environment correction module calculates a compensation coefficient through a temperature and humidity correction model, and corrects an image pixel gray value to eliminate environment interference; the blade extraction module extracts a refined blade thermal image; the feature calculation module calculates the pixel gray scale standard deviation of the local region of interest as a transpiration heat dissipation difference feature value; and the infection identification module compares the characteristic value with the thermal physiological baseline, marks a suspected infection site and generates an infection risk thermodynamic diagram. The system can realize rapid and accurate detection of the Candidatus Liberibacter asiaticum and assist disease prevention and control.

According to the girdling device for the citrus, the girdling depth can be effectively controlled, girdling is achieved through mechanical driving, the working efficiency is effectively improved, the labor intensity is reduced, and the requirement for large-scale citrus planting is met. The girdling device comprises a mounting plate, a clamping assembly is arranged on the mounting plate, an arc-shaped rail is connected to the mounting plate through a connecting rod, and a girdling assembly is arranged on the arc-shaped rail; an energy control bin is arranged below the mounting plate, controls the girdling assembly and provides kinetic energy for the girdling assembly; the whole device is clamped and fixed to a citrus tree trunk through the arranged clamping assembly, and the girdling assembly is controlled and started to rotate by an angle larger than 180 degrees along the arc-shaped track through the arranged energy control bin, so that complete girdling can be achieved; the cutting depth can be kept unchanged through the girdling assembly, and adverse effects caused by too large or too small girdling depth during cutting are effectively avoided.

The utility model relates to the technical field of adjusting supports, in particular to branch supporting equipment for grapefruit tree cultivation. The device comprises a bottom plate, an adjusting device is arranged at the top end of the bottom plate, the adjusting device comprises an outer rod, one end of the outer rod is fixedly connected with the bottom plate, two racks are fixedly connected to one side of the outer rod, an inner rod is slidably connected to the interior of the outer rod, one end of the inner rod is fixedly connected with a U-shaped supporting plate, and the U-shaped supporting plate is fixedly connected with the bottom plate. A T-shaped hole is formed in one side of the inner rod, an anti-skid round block is slidably connected to the interior of the T-shaped hole, a round rod is fixedly connected to one end of the anti-skid round block, the arc face of the round rod is slidably connected with the T-shaped hole, and a cylinder is fixedly connected to one end of the round rod. The problems that traditional branch supporting equipment for grapefruit tree cultivation cannot adapt to branches with different heights, so that the growth of the branches is unnecessarily limited, the branches are bent or deformed due to improper support, and then the normal growth track of the branches is affected are solved.

The utility model relates to the technical field of fruit tree planting, and discloses a tree body forming device for citrus planting, which comprises a base, an adjusting mechanism is arranged in the base, the adjusting mechanism comprises an adjusting plate, a first gear is rotatably arranged at the lower end in the adjusting plate, a first pressure spring is fixedly arranged at the upper end in the adjusting plate, and a second gear is rotatably arranged at the lower end in the adjusting plate. A sliding block is fixedly arranged at the upper end of the first compression spring, a supporting column is rotatably arranged at the upper end of the sliding block, a screw rod is in threaded connection with the interior of the supporting column, a supporting block is fixedly arranged at the upper end of the screw rod, a transverse rod is fixedly arranged at the rear end of the base, a plurality of storage mechanisms are arranged outside the transverse rod, and each storage mechanism comprises a mounting block. According to the citrus tree shaping device, the adjusting mechanism adjusts the position of the supporting column, the citrus tree shaping device can adapt to citrus trees of different heights and shapes, tree body shaping is facilitated, the elastic rope is more convenient to use due to the design of the storage mechanism, and the working efficiency can be improved.

The present application relates to the field of pest control of fruit trees, and particularly relates to an integrated method for reducing citrus leaf roller damage, which is divided into citrus tree fertilization management, water management and citrus tree control management, the spring citrus tree sprouting period is applied with a shoot promoting fertilizer, the summer dormancy period is applied with a fruit promoting fertilizer, the autumn is applied with a tree vigor restoring fertilizer, the soil humidity is kept at 60% to 80% of the maximum field water holding capacity during the spring sprouting, flowering period and fruit swelling period, the citrus fertilizer and water management, citrus fruit thinning treatment, chemical pesticide control and shaping pruning control are carried out according to the summer and autumn fertilization nodes of the citrus tree, the chemical pesticide control is leaf spraying of the citrus tree, and the shaping pruning control is after the citrus sprouting, which achieves precise and controllable and unified and neat citrus sprouting time, is the key basis for the later comprehensive prevention and control of citrus leaf roller, achieves the purpose of labor saving and cost reduction for the prevention and control of citrus leaf roller, and promotes the healthy and sustainable development of the citrus industry.

The utility model relates to the technical field of robots, in particular to a citrus harvesting, cleaning and packaging integrated robot which comprises a picking end effector, a depth camera, a mechanical arm, a storage box body, a packaging device, a packaging support, a pushing hydraulic cylinder, a cleaning device, a cleaning top cover and a moving mechanism. The moving mechanism drives the whole device to be beside a citrus tree, the depth camera captures three-dimensional information of citrus, the mechanical arm is used for adjusting the posture of the picking end effector, the steering engine drives the long clamping jaw and the cutting edge to clamp and shear the citrus, the mechanical arm adjusts the posture to put the citrus into the cleaning top cover, and the citrus is cleaned through the cleaning device. The rotating steering engine drives the rotating tray to convey the cleaned oranges to the packaging device one by one, packaging sealing is achieved, the steering engine is overturned to drive the tray, the packaged oranges are put into the storage box body, and therefore harvesting, cleaning and packaging of the oranges are achieved.

The application discloses a method for decision-making of water and fertilizer management in the flowering and fruit setting period of citrus, and is characterized in that the method comprises the following steps: collecting crown layer images of the citrus trees in the daytime, air temperature and soil moisture content data, obtaining spring shoot growth states, high temperature indexes and soil moisture abundance and deficiency indexes; comprehensively evaluating daily environmental stress conditions based on the three indexes, and making decisions on supplementing appropriate irrigation management; comprehensively evaluating the high temperature stress degree in the flowering period, and making decisions on normal application of flower fertilizer in the fruit setting period, increase of foliar spraying fertilizer or increase of foliar spraying fertilizer and hormone management measures. The application can effectively solve the problems that the decision-making of water and fertilizer management in the flowering and fruit setting period of conventional citrus trees relies on artificial experience and lacks automatic decision-making, and improves the intelligent level of the cultivation and management of the citrus trees.

The invention discloses a citrus branch thorn identity determinant TI3 gene and application thereof, and belongs to the field of plant biotechnology and fruit tree genetic breeding. The nucleotide sequence of the citrus TI3 gene is shown as SEQ ID NO: 1, branch thorns can be effectively converted into normal branches or dormant buds by knocking out or inhibiting the function of the TI3 gene, and therefore citrus plants without thorns or with few thorns are created; and the function of knocking out or inhibiting the TI3 gene has no adverse effect on vegetative growth, reproductive growth and other important agronomic traits of the citrus. The invention provides an application of a citrus TI3 gene. The application comprises an application in reducing the number of citrus branch thorns, an application in cultivating citrus varieties without branch thorns or with few branch thorns and an application in improving citrus tree forms. The method disclosed by the invention has extremely high application value and wide industrialization prospect in citrus breeding.

The utility model discloses a portable assembled citrus fruit tree drip irrigation and fertilization device, belongs to the field of drip irrigation and fertilization, and solves the problem that a liquid storage bag is easy to deform after liquid injection. Comprising a water storage bag, the upper surface of the water storage bag is fixedly connected with a limiting mechanism, the lower portion of the side surface of the water storage bag is fixedly connected with a drip irrigation mechanism, the drip irrigation mechanism comprises a hollow threaded column fixedly connected to the side surface of the water storage bag, and the outer surface of the hollow threaded column is in threaded connection with a connecting nut. The water storage bag is limited and supported by the first rubber strip and the second rubber strip, so that the water storage bag is effectively prevented from being excessively expanded and deformed after water and fertilizer are injected, the reading accuracy of the scale marks on the outer surface is ensured, and the fertilizing amount is accurately controlled. Meanwhile, the design of the scale lines further helps users quantify the water and fertilizer ratio, waste or insufficiency is avoided, and the fertilization efficiency of the citrus fruit trees is improved.

The invention relates to the technical field of agricultural science, solves the technical problem of insufficient single plant nitrogen evaluation precision caused by canopy heterogeneity in the prior art, and particularly relates to a citrus nutrition evaluation method used in different ecological environments, which comprises the following steps of: performing hierarchical division on crown leaves of citrus trees; collecting spectral data of different layers of leaves in batches, and respectively obtaining upper-layer spectral data, middle-layer spectral data and lower-layer spectral data; and carrying out fusion processing on the spectral data of the leaves at different levels to generate a spectral feature fusion matrix. According to the method, the problem of spectrum interference caused by citrus tree canopy heterogeneity is effectively solved through a layered spectrum acquisition and processing technology. According to the method, multi-angle hyperspectral imaging is combined with a hierarchical processing strategy, spectral characteristics of upper-layer, middle-layer and lower-layer leaves can be accurately distinguished, data distortion caused by mutual shielding of the leaves and illumination difference in a traditional method is avoided, and the accuracy of single-plant citrus nitrogen state evaluation is greatly improved.

The invention belongs to the technical field of fruit tree cultivation management and postharvest preservation, and particularly relates to an efficient prevention and control method for citrus juice sac granulation and application thereof. In order to reduce the citrus juice sac granulation rate and improve the fruit quality and yield, the invention discloses a prevention and control method for citrus fruit juice sac granulation, namely, gibberellin or / and brassinolide are / is sprayed to the whole citrus tree exogenous source in the specific development stage, and conventional orchard cultivation management measures are adopted after the gibberellin or / and brassinolide are / is sprayed. Experiments show that both gibberellin and brassinolide can effectively inhibit citrus juice sac granulation and improve the fruit quality and yield, and the combined application of gibberellin and brassinolide has a significant synergistic effect. The method adopts a whole-plant spraying mode, is convenient and fast to operate, can be mixed with a leaf fertilizer for spraying, is high in practicability, is easy to popularize and apply in a large scale, and has important significance on quality improvement and yield increase in the citrus industry.

The invention discloses a night insect prevention device for grapefruit tree planting, and relates to the technical field of orchard insect pest control. The device comprises a supporting seat, and a splicing mechanism and a matching mechanism are arranged on one side of the supporting seat; the splicing mechanism comprises at least four sets of supporting frames arranged on one side of the supporting base, the supporting frames are annularly arranged, and sliding grooves are formed in the tops of the supporting frames, so that the insect-proof net is changed into a covering state from a rolling state, it is ensured that the whole grapefruit tree is covered, and pests are prevented from entering the grapefruit tree through the insect-proof net. The physical barrier can effectively reduce insect attack, improve the growth environment quality of grapefruit trees and avoid fruit damage caused by insect attack, meanwhile, the humidity sensor can monitor the humidity in the insect-proof net in real time, and the height of the supporting frame is automatically adjusted according to the change of the humidity. When the humidity is high, the supporting frame can automatically rise, and therefore moisture accumulation caused by the fact that the insect-proof net is too low is avoided. Excessive moisture can promote breeding of germs, and the risk of diseases of the grapefruit trees is increased.

The application discloses a kind of unmanned plane citrus picking sequence planning methods based on multi-target tracking, comprising the following steps: S1, acquisition and processing citrus image dataset;S2, construct lightweight YOLOv8-Clementine target detection model, and carry out target detection to citrus;S3, based on lightweight YOLOv8-Clementine target detection model, adopts BotSort multi-target tracking algorithm to carry out real-time dynamic tracking to citrus;S4, adopts Corner-Kmeans clustering algorithm to divide the region of citrus tree;S5, picking sequence planning based on global strategy optimization.The application is aimed at real orchard complex scene, based on the efficient optimization of picking sequence of citrus visual perception and tracking model, to make the optimal picking order for picking unmanned plane, improve the safety and efficiency of picking.