38 results about "Young tree" patented technology

The invention discloses a preparation method of a prevention and control agent for winter low-temperature freezing injury of walnuts. The prevention and control agent is prepared from the following active ingredients in percentage by mass: 0.2 part of agricultural chitosan oligosaccharide, 1 part of carboxymethyl cellulose, 7.8 parts of jasmonic acid methyl ester, 0.3 part of monopotassium phosphate, 0.1 part of compound amino acid, 0.05 part of brassinolide and 100 parts of water. The method effectively solves the problems that the annual branches of the Xinjiang walnuts in winter are prone to freezing, and the existing prevention and control means are poor in effect, reduces the conditions of branch water loss and drying, tree body weakness and even death, can obviously improve the cold resistance of the annual branches and mixed buds, greatly relieves the freezing injury symptoms after adult trees and young trees are treated, and obviously optimizes physiological indexes.

This invention relates to a method for monitoring the growth of saplings in forest understory and analyzing influencing factors based on airborne lidar, belonging to the field of sapling growth monitoring technology. The invention first acquires airborne lidar data from two consecutive periods. Then, it classifies the original point cloud of one period's airborne lidar data into ground points to obtain a final baseline ground point. Based on the final baseline ground point, it normalizes the point clouds of the two periods' lidar data to obtain a highly normalized point cloud. Sapling point clouds are extracted from the highly normalized point clouds, and individual tree segmentation and tree height extraction are performed on these point clouds. Subsequently, correlation analysis is conducted between canopy porosity and forest gap area and growth. This invention enables the acquisition of sapling point cloud data, providing an efficient and repeatable data foundation for high-precision identification, structural parameter extraction, long-term growth dynamic monitoring of saplings, and systematic research on the influence mechanism of canopy structure on forest regeneration.

The invention discloses a camellia oleifera close planting vigorous afforestation sapling cold-proof and anti-freezing protection device, and relates to the technical field of sapling protection, the camellia oleifera close planting vigorous afforestation sapling cold-proof and anti-freezing protection device comprises a stable base, a supporting protection plate and protection baffles, the supporting protection plate is arranged in the protection baffles, and the protection baffles comprise the first protection baffle and the second protection baffle; the number of the stable bases is two, and the number of the supporting protection plates is four. According to the cold-proof and anti-freezing protection device for the camellia oleifera close planting vigorous afforestation young trees, the combined design of the stable base, the double-layer protection baffles and the inner-layer supporting protection plates is adopted, conical stable piles at the bottom of the stable base can penetrate into soil, and the anti-dumping capacity of the device in complex terrains such as mountainous regions and sloping fields and in the strong wind environment is greatly improved; the first protective baffle and the second protective baffle are matched in an inserted mode through the limiting strips and the limiting grooves, the bottoms of the first protective baffle and the second protective baffle and the stable base form multiple fixation through the clamping blocks, the L-shaped connecting blocks and the inserting blocks, and a complete and firm outer layer protective barrier is formed after splicing.

The invention relates to the technical field of supporting and fixing devices, and particularly discloses an anti-lodging self-adaptive supporting and fixing device for a cherry sapling, a fixing assembly is arranged on the outer side of the sapling, the fixing assembly comprises a bottom shell and an upper shell, and a semi-ring is designed between the bottom shell and the upper shell; the left and right bottom shells, the upper shell and the semi-ring are located on the outer side of a sapling, clamping rods are arranged on the inner sides of the bottom shells and the upper shell, and the adjacent ends of the left and right clamping rods are attached to the outer side face of the sapling; the fixing assembly is composed of a bottom shell, an upper shell and a semi-ring, the clamping rod on the inner side can be attached to the stem of the sapling, the clamping position and force can be adaptively adjusted according to the thickness change of the stem of the sapling through linkage of the semi-ring, a tooth groove ring and an adjusting rod, firm clamping is guaranteed, the lodging prevention effect is achieved, bark damage caused by rigid clamping is avoided, growth of the sapling is restrained, and the service life of the sapling is prolonged. The compatibility of supporting and fixing and sapling growth is achieved.

The utility model provides a detachable device for regulating and controlling bearing branches of prunus armeniaca, and belongs to the technical field of fruit tree cultivation. Comprising a regulation and control ring; a plurality of elastic protection pads are fixed on the inner wall of the regulation and control ring through second hook and loop fasteners; the primary and secondary surfaces of the second hook-and-loop fastener are respectively fixed on the inner wall of the regulating ring and the outer ring of the elastic protection pad; a plurality of hanging lugs are arranged on the periphery of the regulation and control ring and used for being connected with the regulation and control belt. According to the utility model, more flower buds can be obtained by regulating and controlling the branch angle when young apricot and plum trees are 1-3 years old, and the branches of trees more than 4 years old are subjected to fixed angle regulation and control, so that the fruiting branches are prevented from being broken, and higher yield and economic benefits are obtained. The regulator can be detached and repeatedly used, the defect that a rope can only be used for one year is effectively overcome, and the cost can be saved.

The invention relates to the technical field of high-yield cultivation, in particular to an illicium verum dwarf close planting high-yield cultivation system and method.The system comprises a planning setting module, a ground temperature sensing and monitoring module, a ground temperature analysis module and a pruning and fertilization adjusting module, and the ground temperature sensing and monitoring module comprises a plurality of temperature sensors buried in rhizosphere soil of illicium verum roots; the ground temperature analysis module is used for receiving the ground temperature daily mean value and the ground temperature daily difference value collected by the ground temperature sensing and detecting module, and converting the ground temperature daily mean value and the ground temperature daily difference value into microbial activity and canopy leaf density of star anise tree planting soil to adjust planting pruning and fertilization; the method comprises the steps of S1, variety and stock selection, S2, close planting planning, S3, planting and ground temperature collection and arrangement, S4, young tree pruning and fertilization and S5, mature tree management. According to the method, a dynamic regulation and control system driven by ground temperature data is constructed, so that the technical defects that unified shaping management is not matched with tree body growth requirements and the yield fluctuates due to environmental heterogeneity in traditional dwarfing and close planting of the star anise trees are overcome.

A sapling grafting seedling cultivation method belongs to the field of grafting technology, and comprises the following steps: S1, selecting branches from a new variety of saplings as scion branches; S2, cutting the scion branches and the new variety of saplings; S3, placing the scion branches in a culture solution for rooting; S4, trimming the broken ends of the scion branches after rooting to form T-shaped grafts for standby use; S5, vertically cutting the grafted end on the rootstock to form a T-shaped port; S6, inserting the T-shaped graft of the scion branch into the T-shaped port of the grafted end on the rootstock, and injecting a culture medium into the gap; S7, wrapping the wounds of the scion branch and the rootstock with a winding plastic film; S8, regularly injecting nutrient solution into the culture medium covering the grafted end to complete maintenance.

The invention provides a fruit tree pruning device and a working method, relates to the field of orchard operation machinery, and aims to solve the problem that existing fruit tree pruning equipment is poor in adaptability to requirements of different tree ages and tree forms. The trimming mechanism on one side is driven to move through transverse translation of the sliding rod, so that the transverse distance between the trimming mechanism and the trimming mechanism on the other side is independently adjusted on the premise that the trimming angle is not changed, meanwhile, independent swing adjustment of the inclination angle is achieved in cooperation with a hinged suspension structure of the side rod, and mechanical decoupling of the trimming width and the trimming angle is effectively achieved; the device can flexibly adapt to width changes of different crown diameters from a young tree to a full bearing period, can accurately control slopes of different tree forms such as a vertical form or an inclined form, is compact in structure and stable in gravity center due to a sliding adjustment mode, and improves adaptability and stability of the device to refined pruning operation of a standardized orchard.

This utility model relates to the field of fruit tree seedling protection technology. A positioning frame has several positioning nails fixed to its bottom surface; several positioning rings are symmetrically fixed to the positioning frame; the bottom ends of several support rods are bolted into the positioning rings; the front and rear ends of two adjusting rods are movably inserted into corresponding support rods; a fixing screw passes through the side wall of the adjusting rod and is threaded onto the support rod; an adjusting groove is formed through the adjusting rod; one end of two moving rods in the same group is inserted into the adjusting groove; a positioning screw passes through the side wall of the adjusting rod and is threaded onto the moving rod; a fixing groove is formed at the opposite ends of the two moving rods in the same group; the bolted connection facilitates the assembly of the support rods, adjusting rods, and moving rods, thus forming a protective frame on the outside of the seedling, making operation simple.

The application discloses a method for promoting population renewal of endangered plant Melia toosendan, which comprises the following steps: obtaining a Melia toosendan population with poor ecological resistance and low plant reserves by investigating forestry data of previous years; performing field investigation on seedlings, saplings and seedling survival rate of the Melia toosendan population to screen out a Melia toosendan population to be intervened; opening a transplant pit at the best growth range of seedlings of a non-flowering and fruiting plant of the Melia toosendan population to be intervened; placing a degradable waterproof bag in the transplant pit; and transplanting and domesticating a Melia toosendan seedling obtained by domestication after injecting nutrient solution into the waterproof bag. The method transplants and domesticates a Melia toosendan seedling for a small Melia toosendan population with low plant reserves and low renewal capacity, and uses nutrient solution and a degradable waterproof bag to improve the survival rate of the transplanted Melia toosendan seedling, so that the number of seedling reserves of the small Melia toosendan population is increased, and the population renewal capacity of the small Melia toosendan population is improved.

The invention provides a pinus khasys dwarfing pruning treatment method, and relates to the technical field of pinus khasys dwarfing afforestation. The treatment method mainly comprises the following steps: girdling bark at the top end of a pinus khasys sapling, cutting off below a girdling position after a period of time, carrying out primary pruning on a primary side branch, then carrying out branch pulling treatment, taking a part as a fixed side branch, taking a part as an allowance side branch, and arranging a notch at the joint of the allowance side branch and a trunk, after the cut grows into a tree knot, the remaining lateral branches are cut off, the fixed lateral branches are subjected to secondary pruning, the fixed lateral branches are subjected to third-time pruning after a period of time, and final pruning is completed. According to the method, the defects in the prior art are overcome, thickening of trunks and lateral branches of pinus khasys is effectively promoted in a pruning mode, and the purpose of dwarf afforestation is achieved.

The present disclosure relates to a method and system for reforestation or afforestation, said system comprising a remotely and / or autonomously controlled unmanned aerial vehicle, UAV, a planting device (7), and a base station, said planting device (7) removably attached to the underside of said UAV (1), the planting device (7) comprising: a planting tube (4) configured for planting at least one seed, seedling and / or sapling into or onto ground soil (10); and a ground soil preparation means configured for modifying the ground soil (10) in preparation for planting, wherein said base station is configured to communicate with said UAV (1) and / or said planting device (7).

The invention relates to a grape planting technology, and discloses a grape cultivation frame and a planting method thereof. The grape cultivation frame comprises at least four stand columns, and first cross beams and second cross beams are arranged at the upper ends of the stand columns; the first cross beam and the second cross beam are distributed in a crossed manner; an upper layer and a lower layer are formed; vertical guide ropes with adjustable positions are arranged on the first cross beam and the second cross beam; first guide ropes are stretched at two ends of the first cross beam, and second guide ropes are stretched at two ends of the second cross beam; a third guide rope is arranged on the second guide rope; and a fourth guide rope is arranged between the first guide rope and the second guide rope. The grape planting method comprises the following steps: S1, soil preparation; s2, setting up a grape cultivation frame; s3, field planting and young tree management; s4, shaping and pruning; s5, annual branch tip and flower and fruit management; s6, treatment in the dormancy period after leaf falling. According to the grape cultivation frame and the planting method thereof, installation is convenient, the yield can be increased, and meanwhile field management is facilitated.

This item is a cylindrical body made of a polypropylene mesh material, and is a cylindrical young tree protector that covers seedlings to prevent them from being eaten by wild animals. It consists of a single piece of mesh material, and as shown in the enlarged view of the reference AA part, the cylindrical body and the support insertion part are formed by sewing at two joints.

The extensible sapling bark protection device comprises a first protection sleeve and a second protection sleeve, the rear side of the first protection sleeve and the rear side of the second protection sleeve are connected in a matched mode through a hinged support, inserting grooves are formed in the upper side of the first protection sleeve and the upper side of the second protection sleeve, extension sleeves are connected to the upper sides of the inserting grooves in an inserted mode, and the extension sleeves are connected with the first protection sleeve and the second protection sleeve in a matched mode. Strip-shaped notches are formed in the two sides of the front side of the inserting groove. The utility model relates to the technical field of sapling bark protection, a first protection sleeve and a second protection sleeve are used as main bodies, an extension sleeve is inserted on the upper sides of the first protection sleeve and the second protection sleeve, after sapling planting, the first protection sleeve and the second protection sleeve can be sleeved on the outer side of a sapling body, and the first protection sleeve and the second protection sleeve are made of rubber materials. Good ductility is achieved, and therefore the protection effect of the sapling bark can be guaranteed.

The application discloses a kind of in south desertification land prune high-efficiency garden planting method of plum, belong to biotechnology field.The application discloses a kind of in south desertification land prune high-efficiency garden planting method of plum, including first year cultivation stock, second year grafting promotes seedling, the third year shaping promotes flower bud.The application is through innovative technical means, accurately controls the growth condition of prune seedling under the special environment of desertification land.Under the premise of effectively reducing the capital investment, labor cost and material loss before garden construction, the survival rate of prune seedling is significantly improved, the growth of young tree is promoted, and the cultivation period of young tree is shortened.Meanwhile, scientifically planning orchard management system, realize the efficient construction of desertification land prune orchard, help orchard to enter the high yield period early, and quickly produce economic benefits.

The application discloses a method for applying organic fertilizer to young trees of different drought areas of Ruisnow apples, and relates to the technical field of agricultural planting. The method comprises the following steps: determining influence factors of the application conditions of the organic fertilizer of the young trees of the Ruisnow apples; determining the relative importance of each influence factor by using a combination weight method; analyzing comprehensive evaluation results of the young trees of the apples under different water-fertilizer coupling treatments to obtain optimal fertilization and irrigation water amounts; applying appropriate organic fertilizer to the planting plots of the young trees of the apples and performing irrigation; and calculating the annual supplementary organic fertilizer amount required by the application through monitoring the growth conditions of the young trees. The method is not dependent on specific regional experience, has strong replicability and promotion value, and can be quickly applied to various unfamiliar environments such as the northwest arid area and the seasonal arid area in North China, thereby providing a standardized and operable technical scheme for the high-quality and efficient cultivation of the young trees of the Ruisnow apples in the arid areas.

The invention discloses a method for artificially promoting natural renewal of cathaya argyrophylla, which comprises the following steps: forest stand thinning: properly cutting broad-leaved trees in cathaya argyrophylla communities, forming forest gaps around cathaya argyrophylla seed trees and under-forest saplings, and keeping the forest stand canopy density at 0.5-0.6 after cutting; litters on the vacant land in the forest windows are cleaned and stacked to the periphery of the seedlings of the cathaya argyrophylla saplings, the vacant land in the forest windows is loosened, and the soil loosening depth is about 2-3 cm; and tending management: cleaning miscellaneous irrigation weeds and pests which influence the growth of the seedlings around the cathaya argyrophylla saplings in the forest windows, and carrying out stump cultivation and topdressing. According to the method, forest gaps are formed through forest stand thinning, under-forest illumination is increased, and growth of the silver fir saplings is promoted; through manual soil loosening, the contact probability of the cathaya argyrophylla seeds and soil is increased, and the germination rate of the cathaya argyrophylla seeds is increased; meanwhile, through tending management, growth of the seedlings of the cathaya argyrophylla saplings is promoted, and the purpose of promoting renewal of the cathaya argyrophylla forest is achieved.

The utility model relates to the technical field of fruit tree pruning, and provides an apple sapling branch opening angle device which comprises a branch pulling device and two silica gel hoses, the silica gel hoses are fixedly connected to the two sides of the branch pulling device, the whole branch pulling device is in a W shape, the branch pulling device is made of 45 # steel, the length of the branch pulling device is 180.0 mm, the diameter of the branch pulling device is 2.2 mm, the color of the branch pulling device is light gray, and the length of the branch pulling device is 180.0 mm. The length of the silica gel hose is 15.0 mm, the inner diameter of the silica gel hose is 2.2 mm, the outer diameter of the silica gel hose is 3.2 mm, the wall thickness of the silica gel hose is 0.5 mm, and the silica gel hose is firmly arranged in the middle of the two ends of the branch drawing device in a sleeving mode and used for reducing damage of exposed steel wires to branches; the device is made of hot-dip galvanized stainless steel wires, is excellent in material, has better tensile strength and corrosion resistance, ensures the firmness and durability of the branch drawing device when the branch drawing device is used in the open field, can bear various weather conditions and is not easy to damage, and the service life is prolonged.

The utility model discloses an auxiliary growth adjusting device for peach tree planting, and belongs to the technical field of peach tree planting. The auxiliary growth adjusting device for peach tree planting comprises two fixing rings and water storage blocks located on the outer surfaces of the fixing rings, the outer surfaces of the water storage blocks are fixedly connected with adjusting mechanisms, the interiors of the adjusting mechanisms are rotationally connected with main supporting rods, the main supporting rods can be unfolded outwards, and the interiors of the main supporting rods are in threaded connection with threaded supporting rods; the interior of the fixing ring is of a hollow structure, the interior of the fixing ring is communicated with the interior of the water storage block, a water inlet is formed in the upper surface of the water storage block, and the lower end of the water storage block is connected with an irrigation mechanism used for irrigating young trees. The growing device for peach tree planting solves the problem that an existing growing device for peach tree planting is inconvenient to adjust, the threaded supporting rod capable of ascending and descending in a threaded mode is arranged in the main supporting rod, and the growing device can stretch out and draw back freely and can be adjusted according to growth of young trees.

The invention relates to the technical field of agriculture and forestry, and provides a jujube tree high-photosynthetic-efficiency tree shape forming method which comprises the following steps: shaping in the first year: determining a trunk at a position 1.2 m away from a young tree, retaining plump buds under a cut, promoting two young shoots (parallel to a bracket) in opposite directions to germinate within 20 cm below the cut, meanwhile, other sprouts are erased to centralize nutrients to promote growth of new trunks and young sprouts; three layers of supporting frames are arranged; when the trunks grow to 2 meters and young sprouts grow to 30-40 cm, selecting and remaining main branches on the first layer, pulling the branches and fixing the branches on the first layer of the supporting frame, and meanwhile, reserving the central leading trunk. Shaping in the second year: after winter pruning is carried out, all branches on the central leading trunk are removed, bud carving is carried out at the positions 50 cm and 100 cm away from the first layer of main branches to culture a second layer of main branches and a third layer of main branches, when the main branches grow to 30-40 cm, the main branches are fixed to the second layer and the third layer of the supporting frame respectively, and a tree shape shaped like a Chinese character'feng 'with three layers of main branch frameworks is formed. The method can form a big tree in one year in transformation of the big tree shape, and the culture period is greatly shortened.

The invention provides a method for promoting sprouting and cutting rooting of fraxinus mandshurica by spraying 5-azacytidine. A three-year-old fraxinus mandshurica sapling is used as a material, 25-75 [mu] mol.L <-1 > 5-azacytidine (5-AzaC) is used as an apparent regulating agent, spraying is performed on the cut sapling continuously for one month after spring germination, spraying is performed once every three days, semi-lignified tender branches of fraxinus mandshurica are taken at the beginning of July, and the rooting rate reaches 83.33% after cuttage is performed for 30 days and is improved by 32.22% compared with a contrast. The length and the stem width of sprouting branches of sprayed plants are reduced, and the number of the sprouting branches is increased, so that the appearance regulating agent 5-azacytidine can effectively improve the sprout tillering and cutting propagation capacity, a trunk cutting treatment group is remarkably superior to a trunk non-cutting treatment group, and survived cutting slips can be transplanted to a nursery field in the second year after being covered with snow and overwintering.

The invention discloses a hilly area water and soil loss ecological restoration mechanism which comprises a base, the base is U-shaped, notches are formed in the two sides of the base, rotating blocks are rotationally connected into the notches, fixing anchor rods are arranged on the lower sides of the rotating blocks, and a storage groove is formed in the lower side of the base. A storage groove is formed in the base, a first limiting seat corresponding to the fixed anchor rod is arranged in the storage groove, a fixed rod is arranged on one side of the base, a telescopic rod is connected to the fixed rod in an inserted mode, and positioning holes are evenly formed in the telescopic rod. The invention relates to the technical field of water and soil loss repair, through the collaborative design of the U-shaped base and the rotatable fixed anchor rod, the stability of vegetation planting is remarkably enhanced, and the notch of the U-shaped base is matched with the rotating block, so that the anchor rod can flexibly adjust the insertion direction according to the terrain angle and go deep into soil to form multi-point anchoring; the impact of strong wind or heavy rainfall on the saplings can be effectively resisted.

The utility model belongs to the technical field of forestry protection, discloses a forest seedling protection device, and aims to solve the problems that the existing seedling protection device fixes seedlings through a bracket structure, but the bracket structure cannot be adjusted according to the growth of the seedlings, and the development of the seedlings is influenced. The ends of the arc-shaped plates are sequentially connected through connecting structures, mounting holes are formed in the top faces of the arc-shaped plates, telescopic rod structures are fixedly mounted on the top faces of the arc-shaped plates correspondingly, mounting plates are fixedly mounted at the upper ends of the telescopic rod structures correspondingly, through screw holes are formed in the mounting plates, and outer screw pipes are arranged in the screw holes. According to the seedling raising device, the outer screw tube is arranged, the tightness of the spring can be adjusted, so that the stress strength of seedlings is adjusted, and the situation that normal development of the seedlings is affected due to the fact that the seedlings are stressed excessively is avoided.

The application provides a Pinus oocarpa dwarfing pruning treatment method and relates to the technical field of Pinus oocarpa dwarfing afforestation. The treatment method mainly comprises the following steps: ring peeling the bark of the top of a Pinus oocarpa sapling, cutting off the sapling below the ring peeling position after a period of time, preliminarily pruning the first-order lateral branches and then performing branch pulling treatment, part of the lateral branches serving as fixed lateral branches and part of the lateral branches serving as excess lateral branches, setting a notch at the connection position of the excess lateral branches and the main stem, cutting off the excess lateral branches and performing secondary pruning on the fixed lateral branches after the notch grows into a knot, performing tertiary pruning on the fixed lateral branches after a period of time, and finally completing the final pruning. The application overcomes the defects of the prior art, effectively promotes the thickening of the main stem and the lateral branches of Pinus oocarpa through the pruning method, and achieves the purpose of dwarfing afforestation.

This invention discloses a method for intercropping in newly established orchards, including S1 planting site planning and the construction of a three-layer biomimetic fish-scale fan-shaped tree basin: Durian planting sites are determined according to the contour lines of the plot, following the slope. The spacing between durian plants is set at 6 meters, and the row spacing at 10 meters. For steep slopes greater than 15°, planting pits of 1 meter square are pre-excavated, the soil compaction layer is broken up, and well-rotted organic fertilizer and NPK compound fertilizer are added to the pits. Subsequently, a three-layer biomimetic fish-scale fan-shaped tree basin with a height of 0.2-0.3 meters and a diameter of 2.5-3 meters is constructed at the planting sites. This invention solves problems such as soil erosion, water and fertilizer competition, extensive management, pest and disease breeding, and low sapling survival rates associated with traditional intercropping through structural innovation, precise parameters, system synergy, and ecological recycling. It improves land utilization, water and fertilizer utilization, and sapling survival rates, shortens the capital recovery cycle, and promotes the large-scale and green development of tropical steep-slope durian orchards.

The invention relates to the technical field of forest management, and discloses a management method capable of controlling expansion of oligodendrocalamus affinis. Comprising the following steps that S1, felling is conducted from the beginning of autumn to white dew, and nutrition supply of overground parts to bamboo rhizomes is cut off; s2, the cutting residues are subjected to strip-shaped composting, and nutrient returning is achieved; s3, carrying out hole reclamation and soil preparation from March to April in the next year, complementarily planting indigenous tree species, interplanting soybeans or peanuts in gaps, and carrying out knife smoothing in September; s4, cleaning redundant saplings and miscellaneous irrigation, and determining a target tree; s5, soil loosening, weeding and covering are conducted on the 1-5-year-old target trees, and fertilization is conducted according to needs. By means of the method, the expansion control rate of the oligostachys affinis can reach 100%, the under-forest renewal rate is increased by 20% or above, a reference method and basis are provided for effectively inhibiting disordered expansion of the oligostachys affinis, and remarkable ecological and economic benefits are achieved.

The utility model discloses a sapling budding device of accurate control direction has handled, and the top of handle is fitted and has established the rotating sleeve, and the top center of rotating sleeve is fixedly connected with the support, and the top of support is inlayed and fixed with the axle frame, and the middle part outside of axle frame is rotationally combined with the first shaft sleeve, and the inside of rotating sleeve of first shaft sleeve's just below is inlayed and rotates and has established the second shaft sleeve, and the middle part of the outside of first shaft sleeve and second shaft sleeve all surrounds and is equipped with the ring groove, and the first shaft sleeve and second shaft sleeve are passed through the ring groove and are equipped with the belt transmission, and the top outside of first shaft sleeve is fixedly connected with the U type scraper, and the top horizontal establishment of U type scraper has the tangent, makes the user in not excessive wrist twist state through the thumb press hand wheel to rotate sleeve and hand wheel simultaneously and then accurate control the direction of tangent and complete the accurate budding operation of the redundant side bud, reduce the wrist twist amplitude, prolong the operation time.

The invention relates to the technical field of plant stress resistance detection, in particular to a peach sapling cold resistance grading detection method based on a time sequence resistance atlas, which comprises the following steps: carrying out gradient low-temperature stress treatment on peach saplings, and monitoring resistance changes at different time points in real time to construct the time sequence resistance atlas; and multi-dimensional physiological indexes such as proline content, antioxidant enzyme activity (SOD and POD) and metabolites (xanthine nucleoside and adenosine) are synchronously detected, and a cold-resistant grading model is established in combination with a machine learning algorithm. According to the method, through fusion of the dynamic characteristics of the time sequence resistance map and multiple indexes, accurate grading of the cold resistance of the peach saplings is realized, and the method is suitable for different varieties.

This item is a cylindrical body made of a polypropylene mesh material, and is a cylindrical young tree protector that covers saplings and other young trees to prevent them from being eaten by wild animals. The black lines are for marking the points where the black lines intersect when driving stakes into the ground.