96 results about "Pear tree" patented technology

The invention relates to the technical field of microorganisms, and particularly discloses a saline-alkaline tolerant bacillus deserticola BW-13 with biocontrol and growth promoting functions and application thereof. The bacillus safensis BW-13 is preserved in the China Center for Type Culture Collection on January 13, 2025, the classification name of the bacillus safensis BW-13 is bacillus safeensis, and the preservation number of the bacillus safensis BW-13 is CCTCC NO: M 2025108. The strain BW-13 has relatively high salt tolerance, and still keeps good resistance under various stress conditions; meanwhile, the plant growth promoting agent has various plant growth promoting characteristics including nitrogen fixation, phosphorus solubilization and cellulase and protease secretion capacity, and pot experiment verifies that the plant growth promoting agent can improve the salt resistance of cucumber seedlings and promote plant growth; the strain has an antagonistic effect on a plurality of phytopathogens, and especially has a remarkable prevention and treatment effect on plant diseases such as apple ring spot, polygonatum kingianum anthracnose, pear tree rot and tomato gray mold caused by ascomycophyta pathogenic fungi.

The invention relates to the technical field of microorganisms, in particular to a strain of Senotrophomonas sepilia DB3 with disease-resistant, iron-dissolving and growth-promoting functions and application thereof, and the strain is separated from calcareous soil pear tree rhizosphere and has good capabilities of producing IAA (Indoleacetic Acid), quickly growing, dissolving insoluble iron, producing iron carriers and effectively antagonizing various pathogenic bacteria. Pot experiments show that the DB3 microbial inoculum can significantly promote growth of peanut and pyrus betulaefolia seedlings, improve root development and iron nutrient content, enhance leaf SPAD value and iron absorption and relieve iron-deficiency yellows, can be used for preparing biological bacterial fertilizers and reducing chemical iron fertilizer investment, and has good development and application prospects.

The invention provides a method for regulating and controlling phenological periods of outdoor pear trees, and belongs to the technical field of pear tree cultivation. According to the phenological period delaying method suitable for the outdoor cultivation pear orchard in the south, the phenological period of pears can be delayed by 5-7 days through grass growing in winter, grass covering in early spring and irrigation in early spring, soil temperature rising is restrained, root activity recovery is restrained, and the phenological period of pears can be delayed by 5-7 days. Specifically, by maintaining high soil water content and low soil temperature, inhibiting respiration and physiological activity recovery speed of root systems of pear trees in spring and delaying absorption and transfer of moisture and nutrients by the root systems, the metabolism level of the tree bodies is reduced, and the phenological period of the pear trees is delayed by about 7 days. Through the synergistic effect of vegetation covering and moisture regulation, accurate delay of the phenological period of the pear tree is achieved, operation is easy and convenient, the ecological cultivation requirement is met, and the method is suitable for open-air pear cultivation areas in the south.

The invention provides an orchard building method and a pruning method of a double-layer dwarf open-center-shaped high-photosynthetic-efficiency cultivation pear orchard, and belongs to the technical field of fruit tree cultivation. According to the orchard building method for the high-photosynthetic-efficiency cultivation pear orchard, multiple factors such as the sun drift angle, the day photosynthetic efficiency change around pear trees, the geographic latitude of the orchard and the growth period of pear varieties are comprehensively considered, and the planting row direction and the high-photosynthetic-efficiency tree form are determined and pruned according to the latitude of the place where the orchard is located and the day photosynthetic efficiency change around the pear trees. By means of the orchard building method, by selecting a high-light-effect tree form and a scientific pruning method, controlling the height and size of a tree crown, thinning and removing over-dense branches on the upper portion and adjusting a fruiting branch group, the ventilation and light transmission conditions in the tree crown can be effectively improved, shielding of the tree crown to lower leaves is reduced, and illumination of the lower leaves is further improved. The method is simple and easy to implement, convenient to popularize and apply, and capable of remarkably improving the pear tree photosynthesis efficiency and improving the fruit yield and quality of pears.

The invention belongs to the technical field of microorganisms, and discloses bacillus velezensis and application thereof in plant disease control. A bacillus velezensis strain is separated and screened from rhizosphere soil of a wolfberry plant in a Nomuliflood farm in Qinghai province, the strain is bacillus velezensis G3 and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No. 36136. The bacterial strain has a better antibacterial effect on pathogenic bacteria fusarium oxysporum of Chinese wolfberry root rot, also has an inhibiting effect on pathogenic bacteria of Chinese wolfberry verticillium wilt, botrytis cinerea, sclerotinia rot of colza, alternaria alternata, apple anthracnose, apple rot, pear wilt and wheat scab, and has broad-spectrum antibacterial activity; wide application prospects are realized in plant disease prevention and treatment.

The invention belongs to the technical field of biology, and discloses Aspergillus tubingensis Pa6 and application of the Aspergillus tubingensis Pa6 in prevention and treatment of fruit tree diseases in order to improve the biological prevention and treatment effect of the fruit tree diseases, the strain number of the Aspergillus tubingensis is Pa6, and the registration number of the Aspergillus tubingensis in the General Microbiological Center of China Committee for Culture Collection of Microorganisms is CGMCC No.41994. The invention further discloses an application of the Aspergillus tubingensis Pa6 in the prevention and treatment of the fruit tree diseases. The Aspergillus tubingensis can prevent and / or treat strawberry gray mold, strawberry black spot or pear tree rot, or can be used for preparing products for preventing and / or treating strawberry gray mold, strawberry black spot or pear tree rot. The bacterial strain also has a relatively good antibacterial effect on fungi such as strawberry botrytis cinerea, strawberry black spot pathogen, apple ring spot pathogen, apple colletotrichum gloeosporioides, pear rot pathogen and the like.

The application discloses application of a fungal virus in prevention and treatment of pear tree and apple tree Valsa diseases. The fungal virus is a positive single-stranded RNA virus, and a cDNA nucleotide sequence of the fungal virus is shown as SEQ ID No. 1. A fungus containing the virus is Valsa pyri HJL1-22 (gamma), the fungus is infected by the fungal virus of claim 1, the fungus is named as HJL1-22 (gamma), is classified and named as Valsa pyri, and has a preservation number of CGMCC No. 41449 in China General Microbiological Culture Collection Center. The virus Vphv1-gamma can be secreted to outside of cells, therefore, culture liquid filtered off mycelium can be used as a biocontrol agent for prevention and treatment of pear tree and apple tree Valsa diseases, and can effectively weaken or inhibit pathogenicity and diffusion of Valsa pyri and Valsa mali, and has a prospect for being used for producing and practicing biological prevention and treatment of pear tree and apple tree Valsa diseases.

This invention relates to the field of fruit tree pollination equipment, specifically to an integrated device for precise pollination of pear tree inflorescences and constant temperature maintenance of pollen activity. The device includes a guide tube, with a constant temperature tube sleeved outside the guide tube and fixedly connected to it. One end of the guide tube has a gas path switching component for switching gas flow direction. The gas path switching component includes a switching cavity fixedly connected to one end of the guide tube, with several air inlets on the sidewall of the switching cavity. The end of the switching cavity away from the guide tube is fixedly connected to the inner sidewall of the constant temperature tube, and the end of the constant temperature tube away from the switching cavity has several exhaust holes. A T-shaped slider is slidably fitted onto the inner sidewall of the switching cavity. This invention, through the gas path switching component and the telescopic guide hood assembly, solves the problems of poor pollen activity maintenance due to large temperature fluctuations before spraying and during transport in existing pear tree inflorescence pollination processes, as well as inaccurate pollination caused by external wind disturbances during pollination.

The utility model discloses a pesticide spraying device for pear tree blooming and freezing prevention, which belongs to the technical field of spraying equipment and comprises a liquid storage tank, a cover plate is mounted at the upper end of the liquid storage tank, a mixing component is mounted in the liquid storage tank, and one end of the mixing component penetrates to the center end of the top side of the cover plate. According to the scheme, various anti-freezing agents needing to be sprayed can be quantitatively released into the liquid storage tank in the two quantitative assemblies, then a worker repeatedly pulls the mixing assemblies up and down, and the anti-freezing agents can be sprayed in the liquid storage tank, so that the anti-freezing agents can be sprayed in the liquid storage tank, and the anti-freezing agents can be sprayed in the liquid storage tank. According to the pesticide spraying device, the liquid storage tank is arranged, so that the fed pesticide can be fully mixed and stirred in the liquid storage tank, the subsequent pesticide spraying effect is better, meanwhile, the operation that a worker mixes and stirs the pesticide in other utensils in advance, quantifies the pesticide and then feeds the pesticide into the liquid storage tank for spraying is omitted, the working efficiency of the worker is greatly improved, and the labor intensity of the worker is reduced. And the labor burden is reduced.

The utility model relates to the field of tree pruning devices, in particular to a dwarf close planting pear tree pruning device which comprises a power rod and a supporting cylinder, a shearing blade buffering mechanism is arranged between a fixing frame and the supporting cylinder, and the buffering mechanism comprises a moving block connected to the inner wall of the supporting cylinder in a sliding mode. Two triggering blocks are fixedly connected to the top end of the moving block, and two cylinder bodies are fixedly connected to the inner top wall of the supporting barrel; when a moving rod is arranged to drive a shearing blade to cut thick branches, the moving rod drives a trigger block on a moving block to compress gas in a cylinder body through a piston, impact of the blade on a fixing frame is reduced, device damage is avoided, and therefore the purpose of prolonging the service life of the device is achieved; and a rotating sleeve is arranged on the cylinder body to be matched with rotating connection of a positioning block and a moving rod, so that the device can be rotated and adjusted to a position most suitable for self power generation, and the use convenience of workers is improved.

The utility model relates to the technical field of pear tree management devices, in particular to a pear tree fruit thinning device. Comprising an upper plate, a rectangular groove is formed in the upper portion of the upper plate, the portions, on the left side and the right side of the groove, of the upper plate form shifting rods, the upper ends of the shifting rods are pointed ends, and the portions, on the left side and the right side of the groove, of the upper plate are elastically and rotationally connected with cutting assemblies; the rotating rod is connected with a driving unit, the driving unit can enable the free ends of the blades to rotate towards the middle of the upper plate, forward projections of motion trails of the free ends of the two blades from front to back have an intersection point, a supporting rod is fixed to the lower end of the upper plate, and a handle is fixed to the lower end of the supporting rod. According to the device, the groove is formed in the upper part of the upper plate, so that fruit stems of young fruits needing to be removed on a pear tree can conveniently enter the groove, the young fruits needing to be removed can be conveniently separated from the young fruits needing to be reserved, and the fruit thinning efficiency can be improved.

The invention relates to the technical field of genetic breeding, and particularly provides a gene related to drought tolerance of pear trees and application of the gene, the gene is specifically a PbAREB3 gene, the nucleotide sequence of the gene is shown as SEQ ID NO.1, and the amino acid sequence of the gene is shown as SEQ ID NO.2; the PbAREB3 gene provided by the invention can be used for effectively judging the drought tolerance of various pear tree materials, and the PbAREB3 gene with high expression quantity is high in corresponding drought tolerance; according to the gene, the screening efficiency can be effectively improved, and meanwhile, a guidance thought can be effectively provided for cultivating a drought-resistant pear tree transgenic material.

The invention discloses a pear tree planting and seedling raising liquid supply treatment system, which comprises a supply box and uniformly distributed universal wheels, the universal wheels are installed at the bottom of the supply box, the inner wall of the supply box is fixedly connected with a partition plate, two liquid pumps are fixedly installed on the inner bottom wall of the supply box, and the two liquid pumps are fixedly connected with the partition plate. And the top end of the infusion pump is fixedly connected with a spraying pipe. According to the system, a large number of pictures and information in the pear tree planting and seedling growing process are stored in the storage module, when liquid is supplied to the pear tree seedling growing container, the industrial camera located in the front portion can conduct image collection on the state of pear seedlings, and therefore the growth state of the pear seedlings is judged through the comparison and analysis module, and the corresponding flow is set; when the nutrient solution is sprayed, monitoring and timely blocking are carried out through the flow sensing valve, so that automatic and accurate nutrient solution spraying can be realized, the steps and the labor amount required by personnel are reduced, and help can be provided for the personnel who do not understand the knowledge of pear tree planting and seedling raising.

This invention relates to a reverse spraying structure for treating diseases on the underside of pear leaves. It includes a mounting chassis, a first medicine tank, a second medicine tank, a spraying moving mechanism, a spraying adjustment mechanism, a spraying connection module, and a spraying module. The spraying moving mechanism drives the spraying adjustment mechanism to move linearly along a moving guide rail, achieving precise adjustment of the spraying position. The adjustment motor in the spraying adjustment mechanism drives the spraying pipe to rotate axially via a gear ring, causing the fan-shaped nozzle to spray the pesticide solution upwards from below the plant, directly targeting and infecting diseases such as black spot disease on the underside of pear leaves. The spraying connection module is equipped with a separating sealing plate. This invention divides the inner cavity of the spraying pipe into two independent chambers, each connected to one of the two medicine tanks. Combined with the limiting action of the intercepting bracket and the rotation of the spraying pipe to close the spraying nozzle, the pressure of the pesticide solution pushes the separating sealing plate to slide, achieving rapid switching between the two pesticide solutions with zero cross-contamination.

The application discloses application of a Pyrus betulaefolia E3 ubiquitin ligase gene PbrATL18 in genetic improvement of plant drought resistance and anthracnose resistance and belongs to the technical field of genetic engineering. The nucleotide sequence of the PbrATL18 gene is shown as SEQ ID NO. 1, and the amino acid sequence of the encoded protein is shown as SEQ ID NO. 2. The plant drought resistance and / or anthracnose resistance performance is improved by overexpressing the PbrATL18 gene in the plant or improving the protein activity. The application constructs a gene overexpression Arabidopsis transformation vector and a gene silencing P. betulaefolia seedling transformation vector respectively, obtains positive plant seedlings, and carries out drought and anthracnose treatment. The results show that overexpression of the E3 ubiquitin ligase gene PbrATL18 can effectively maintain the balance of active oxygen in cells, keep the cell osmotic potential stable, and significantly improve the plant drought resistance and anthracnose resistance performance, thereby providing a new idea for high drought tolerance and disease resistance breeding of pear trees.

The utility model relates to the technical field of fertilization for dwarfing and dense planting of pear trees, in particular to water and fertilizer regulation and control equipment for dwarfing and dense planting of pear trees, which comprises a proportioning tank, and one side of the top of the proportioning tank is fixedly connected with a placement box; the regulation and control mechanism capable of precisely regulating and controlling water and fertilizer for dwarfing and close planting of the pear trees is arranged at the top end of the proportioning tank; by arranging a regulation and control mechanism, the upper end and the lower end of a packing auger in the middle of a placement box communicate with a placement groove and a weighing box correspondingly, the packing auger can convey solid water and fertilizer raw materials in the placement groove into the weighing box, water and fertilizer needing to be proportioned are regulated and controlled through a weighing disc, and a sealing plate can seal and intercept a groove in the bottom end of the weighing box; water and fertilizer leakage can be prevented during liquid water and fertilizer proportioning, the water storage barrel can adjust the position of the piston plate through the threaded rod, the position of the piston plate can be adjusted through the dial gauge, the pear tree dwarf close planting water and fertilizer can be accurately regulated and controlled, and the irrigation effect of the water and fertilizer is improved.

The present application belongs to the technical field of fruit tree cultivation, and particularly relates to a continuous trunk improved pear tree shape and a cultivation method thereof. Specifically, for the mature pear tree with open heart-shaped training, the vertical branch in the middle of the inner cavity of the tree body is selected as the stock after being short-cut and grafted with pollination branches to be the central trunk; the following year, the central trunk is short-cut in the middle in winter; in the third year, the central trunk plays the role of pollination in the flowering period and the inflorescences are removed after flowering; the main branches on the top of the central trunk are pulled to form a "tree on tree" shape; in the fourth year, the central trunk plays the role of pollination in the flowering period and the inflorescences are removed after flowering or the fruits are left after flowering, and the strong branches are removed; in the fourth winter, the main branches of the central trunk are removed to leave the weak and curved branches, and the side branches are removed to leave the strong and vigorous branches. The method can reduce the germination rate of the vertical overgrowth branches on the main branches of the original tree by more than 40%, significantly saving the nutrients of the tree body, increasing the average fruit setting rate of the inflorescences, and significantly improving the single fruit weight of the fruits due to the pollen collective effect, and increasing the orchard output value.

The present invention discloses a method for controlling pear tree pests and diseases using a combination of predatory mites and Bacillus amyloliquefaciens. The predatory mite is Neoseiulus barkeri. The method comprises the following steps: 1) preparing biocontrol bacteria: preparing a Bacillus amyloliquefaciens powder; 2) preparing predatory mites: preparing adult Neoseiulus barkeri mites in a matrix material; 3) preparing a mixed biocontrol product: mixing the Bacillus amyloliquefaciens powder with the matrix material containing Neoseiulus barkeri mites before use; the mixed biocontrol product is sealed in a package and stored at 13-17°C; 4) applying the agent: applying the mixed biocontrol product during the second physiological fruit drop period of the pear tree, opening the package and securing it to the trunk of the pear tree; the mixed biocontrol product used per pear tree contains 160-190 million CFU of Bacillus amyloliquefaciens and 2,900-3,100 Neoseiulus barkeri mites. The method can simultaneously control pear mite pests and pear fire blight, achieving a fire blight control efficacy of over 80%.

The invention provides a composition for preventing and treating rot of pear trees as well as a preparation method and application of the composition, and belongs to the technical field of pesticide preparation. The composition is prepared from osthole and tebuconazole. The biological source bactericide cnidium lactone and the chemical bactericide tebuconazole are combined for preventing and treating the bergamot pear tree rot disease or inhibiting the bergamot pear tree rot disease, the effect of preventing and treating the bergamot pear tree rot disease is improved, and the synergistic interaction effect is achieved. The method for preparing the composition is simple and easy to implement. According to the composition, the use of a chemical agent tebuconazole is reduced, a way for improving the environment and reducing pollution is provided, and a basis is provided for sustainable and long-term development of a method for preventing and treating the rot diseases of the bergamot pear trees.

The utility model relates to the technical field of supporting frames, in particular to a foldable pear tree branch supporting frame which is characterized in that an H-shaped angle adjusting seat is rotatably connected to the interior of a telescopic reinforcing rod, a supporting ring is fixedly connected to the outer surface of the telescopic reinforcing rod, and a jacking spring is fixedly connected to the interior of the supporting ring. And the H-shaped angle adjusting seat rotationally connected in the telescopic reinforcing rod is manually screwed, so that the H-shaped angle adjusting seat rotates around a connecting point. During rotation, the inclined surface of the arc-shaped clamping groove in the H-shaped angle adjusting seat extrudes the triangular limiting block, so that the triangular limiting block compresses the jacking spring to slide down. When the H-shaped angle adjusting seat rotates to the position of the next arc-shaped clamping groove, the triangular limiting block loses extrusion force, the triangular limiting block is ejected and clamped into a new clamping groove under the elastic force effect of the jacking spring, due to the five arc-shaped clamping grooves, limiting of the adjusting angle of the H-shaped angle adjusting seat is achieved, the H-shaped angle adjusting seat is stably kept at the corresponding screwing installation position, and the placement position is stably kept. And a worker can conveniently finish screwing installation work with one hand.

The invention belongs to the technical field of microorganisms, and discloses bacillus velezensis with induced resistance activity and application of the bacillus velezensis in plant disease control. According to the bacillus velezensis H-33 and the application thereof, the bacillus velezensis H-33 is separated and screened from healthy kiwi fruit branches, the strain can improve the disease resistance of plants by inducing the systemic resistance of the plants, and the bacillus velezensis H-33 has a prevention and treatment effect on plant diseases such as kiwi fruit bacterial canker, pear tree canker, apple tree canker and apple anthracnose, and can be used for preventing and treating the plant diseases such as kiwi fruit canker, pear tree canker, apple tree canker and apple anthracnose. The broad-spectrum antibacterial activity is realized. The invention provides a new strain resource for green prevention and control of plant fungal diseases and plant bacterial diseases, and has a good application prospect.

The invention relates to water and fertilizer regulation and control equipment and method for pear trees. The equipment comprises a rack, a water pump, a plurality of delivery pipes, an electric control box and a control box, a first flow dividing pipe and a second flow dividing pipe are arranged on the rack, and the first flow dividing pipe is located above the second flow dividing pipe; one end of the water-fertilizer pipe is used for introducing water and fertilizer, and the other end of the water-fertilizer pipe is communicated with the first shunt pipe; the water inlet end of the water pump is connected with a water inlet pipe, the water outlet end of the water pump is connected with a water conveying pipe, and the water conveying pipe is further connected with the second flow dividing pipe. One end of each leading-out pipe is communicated with the first flow dividing pipe and the second flow dividing pipe; the other end is communicated with the drip irrigation pipe; an electromagnetic valve and a flow meter are arranged on each lead-out pipe; the electric control box is arranged on the rack; the electric control box is electrically connected with the water pump; the control box is electrically connected with the multiple electromagnetic valves, the multiple flow meters and the electric control box. Compared with the prior art, water and fertilizer drip irrigation to pear trees can be accurately controlled.

The invention discloses a PyYABBY gene of a pear and application of the PyYABBY gene. The PyYABBY gene separated from Dangshan pear and capable of promoting pear leaf enlargement has a nucleotide sequence as shown in SEQ ID No.1, and an amino acid sequence coded by the PyYABBY gene is as shown in SEQ ID No.2 in a sequence table. In order to verify the function of the PyYABBY gene, a yabby mutant arabidopsis thaliana (lacking the YABBY gene) is adopted, and a supplementation experiment is carried out. The results show that the leaf of the PyYABBY back-complemented strain is obviously larger than that of the yabby mutant (without the YABBY gene) and that of the wild-type arabidopsis thaliana, and further confirms that the PyYABBY gene plays a positive regulation role in leaf size development and can promote leaf enlargement. A new gene resource is provided for molecular mechanism research of pear tree leaf development, and meanwhile, a potential application target is provided for pear tree variety improvement and molecular breeding.

The utility model provides a kind of multi-band trapping device for pear tree disease and insect pest control, it is related to pest control device technical field, including base, the top of base is fixedly installed with mounting seat, the top of mounting seat is provided with thread structure, in the utility model, on the one hand, by setting rotating assembly, by half gear, gear drives rotating shaft rotation, and then make connecting pipe and install above connecting frame and stick insect board rotate.Stick insect board of rotation can capture pest from multiple angles, avoid the capture blind area that fixed type trapping device can exist, improve the efficiency of trapping pest, on the other hand, by the thread structure of base top mounting seat and the thread structure of net cover bottom cooperation, so that net cover can be conveniently installed and disassembled, simultaneously, stick insect board is connected by magnetic attraction strip and connecting frame, when the pest captured on stick insect board is more and needs to be replaced, staff can easily take down stick insect board from connecting frame.

The utility model discloses a pear tree insect-proof net cover convenient to mount and dismount, which relates to the technical field of pear tree insect prevention and comprises a cover body, two zippers are arranged on the cover body, a chain ring is arranged below the cover body, a connecting pipe is arranged at the connecting end of the chain ring, two pressing blocks are movably sleeved with the connecting pipe, and a pear tree is completely covered by the cover body. A chain ring penetrates through a group of connecting holes formed in the lower end of the cover body and is tightened at the moment, so that the lower end of the cover body is tightly attached to the pear tree trunk, the chain ring is fixedly connected with the two clamping blocks, and the whole cover body is tightly attached to the trunk, so that pests can be prevented from entering from a gap between the cover body and the trunk; the pears are protected, damage of pests to the pears is reduced, growth and fruit quality of the pears are protected, the cover body can be better fixed to the pears through fixing, displacement and damage caused by wind blowing shaking or tree trunk friction are avoided, the service life of the cover body is prolonged, and continuous and stable protection is provided for the pears.

A growth model construction based evaluation method for branch pulling of trellised pear trees. A "double-armed parallel" trellised pear tree is taken as a research object, branch pulling treatment is carried out on one-year shoots of the pear tree, a linear or nonlinear regression equation is established by detecting relevant indexes of the length and thickness of the shoots and the growth of fruits, and the dynamic trend of fruit quality formation under different treatment conditions is analyzed. Results show that, in a trellised cultivation mode, different branch treatment angles are closely related to the transport efficiency of carbon from a "source" (branches and leaves) to a "sink" (fruits) of and the growth vigor of the pear tree. The nutritional management of the branches and the fruits can be coordinated and enhanced within 95-110 days after full blooming, so that the formation of the fruit quality and the stabilization of the tree vigor in the later period can both be ensured. The solution provides a theoretical basis for formulating rational technical measures for standardized and refined management of "Cuiguan" trellised pear tree bodies.

The utility model discloses water and fertilizer integrated precise irrigation equipment for pear trees, which comprises a water pipe, a water source interface, a seal head, support blocks, a three-way pipe, a connecting pipe, a joint and a tree-surrounding irrigation structure, and is characterized in that the water source interface is mounted at the rear end of the water pipe, the seal head is plugged at the front end of the water pipe, and the support blocks are distributed at the bottom of the side end of the water pipe; the three-way pipe is distributed at the side end of the water pipe, the bottom of the connecting pipe is connected to the three-way pipe, the connector is installed at the top end of the connecting pipe, and the tree-surrounding irrigation structure is connected to the connecting pipe through the connector. The utility model solves the problems that the existing water and fertilizer integrated irrigation equipment mostly performs drip irrigation or slow spraying on one side of a pear tree, so that the irrigation is inaccurate, the root development is unbalanced, the water and fertilizer absorption is uneven, and the growth is influenced.

The invention discloses a soil digging device convenient for planting small pear saplings, which comprises a trolley, the outer side of the trolley is provided with a traction device, the inner wall of the trolley is fixedly connected with a triangular block, the triangular block is slidably connected with a soil sampling plate, the left side of the soil sampling plate is downwards inclined, the triangular block is fixedly connected with a first electric push rod, and the first electric push rod is fixedly connected with a second electric push rod. The left end of the first electric push rod is fixedly connected with the soil sampling plate. According to the soil loosening trolley, soil in an area needing soil loosening and stones in the area can be shoveled up and screened together, the stones and caked soil can be screened out, then the caked soil can be smashed and then discharged, only the stones are left in the trolley, the existing mode that blades are used for digging soil is replaced, and the soil loosening effect is effectively improved; and moreover, stones in the soil can be screened out, so that the influence of the stones on the subsequent planting and growth of small pear trees or other crops is effectively avoided.

The application discloses a method for accelerating and early fruiting of pear hybrid branches, a cultivation device and a method, and steps are as follows: grafting a top bud of a second-year pear hybrid branch to a perennial pear rootstock, realizing growth of the top bud into a fruiting branch, and realizing provision of fruiting nutrition by the pear rootstock, so that a technical problem that the pear hybrid branch needs to be fruiting for at least 5-10 years is solved, and thus the pear hybrid fruiting branch is obtained in the third year.