197 results about "Grafting method" patented technology

The invention relates to a same-variety grafting method for Tibetan pinus bungeana, and belongs to the technical field of forest vegetative propagation. In order to solve the technical problems that in the high-altitude environment, the grafting survival rate of the white bark pine is low, a connector is prone to being infected by microorganisms, and callus is formed slowly, efficient grafting is achieved through collaborative optimization of scion pretreatment and stock incision treatment. The method comprises the steps that a one-year-old branch with the diameter being 4-6 mm is selected and subjected to temperature and humidity control and composite antibacterial liquid dipping treatment; a sterile healing interface is formed in cooperation with rootstock incision slope cutting and four times of composite antibacterial liquid brushing; a one-year-old branch is cut, at least two or more bud points exist on the branch, two plump bud points are reserved, the branch is cut open from the position between the two plump bud points, and the scion is obtained. According to the method, the grafting survival rate and the interface stress resistance of the pinus bungeana in the alpine region are remarkably improved, the method is suitable for rapid breeding and hereditary characteristic retention of excellent germplasm of the pinus bungeana in Tibet plateau ecological restoration engineering, and more scion resources of the pinus bungeana can be utilized and protected.

The invention provides a grafting method and system for reinforcing UV glue based on ultraviolet interference, the system comprises a spraying and irradiating integrated device, a clamping mechanism and a cutting mechanism, the clamping mechanism is used for clamping a scion and a stock to be grafted and driving the scion and the stock to move close to or away from each other along a straight line; the cutting devices are arranged on the two sides of the clamping mechanism and used for cutting the scion and the stock to form an inclined cutting face used for grafting butt joint. The spraying and illuminating integrated device is arranged on the side portion of the grafting butt joint position in the middle of the clamping mechanism and used for spraying UV glue to the grafting butt joint position of the scion and the stock and conducting light irradiation on the UV glue so that the UV glue can be rapidly cured. Under the comprehensive synergistic effect of the spraying and irradiating integrated device, the clamping mechanism and the cutting mechanism, automatic shearing, butt joint, UV glue spraying and UV glue curing of grafting are achieved, and the grafting efficiency is greatly improved.

The invention discloses a chrysanthemum grafting tool and a grafting method.The chrysanthemum grafting tool comprises a tool body, the tool body comprises a handle, the top end of the handle is fixedly connected with a fixing seat, the two ends of the fixing seat are rotationally connected with auxiliary plates through rotating shafts, and the upper surface of the fixing seat is fixedly connected with a positioning frame; a notch assembly is arranged on the surface of the positioning frame; and the notch assembly comprises a sliding rod fixedly connected to the inner wall of the positioning frame, the surface of the sliding rod is slidably sleeved with a limiting sliding block, and the surface of the limiting sliding block is fixedly connected with an extension rod. The auxiliary plates are arranged at the two ends of the fixing base, arc-shaped clamping plates on the surfaces of the auxiliary plates can be used for limiting the two sides of a stock, then a pull ring is pulled downwards, then a cutting blade is driven to cut the chrysanthemum stock, operation is easy and safe, fingers can be prevented from being injured in the cutting process, and the cutting efficiency is improved. The grafting work efficiency is improved.

The invention relates to an energy-level-controllable small laser irradiation grafting and crosslinking system and an application method thereof, and belongs to the technical field of material processing and modification. The system is composed of an adjustable laser source, a focusing optical system, a laser energy regulation and control module, a machining platform, a chemical reaction auxiliary module, a real-time monitoring and feedback system and an intelligent control system, laser wavelength, power and pulse width can be accurately controlled, and micron-level machining precision is achieved. Compared with a traditional chemical grafting method, a thermal induction crosslinking method and a plasma treatment method, the method has the remarkable advantages of non-contact processing, low energy consumption, high precision, environmental friendliness and the like. The system supports efficient grafting and crosslinking of various materials (such as polymers, metals and ceramics), the processing efficiency and the material performance are remarkably improved, and an innovative solution is provided for material functionalization and green manufacturing.

The invention discloses a high-survival-rate grafting method for grafting pinus sylvestris to pinus koraiensis in arid regions, which comprises the following steps: selecting pinus sylvestris stock with the growth period of 4-6 years, flatly cutting below a terminal bud branch point to form a cross section, downwards and obliquely cutting twice from the cross section to form a triangular pyramid-shaped chimeric structure, cutting a semi-lignified pinus koraiensis scion with a terminal bud, and grafting the semi-lignified pinus koraiensis scion with the terminal bud to obtain the pinus sylvestris scion. After main buds are reserved and lateral buds are cut off, two oblique triangular xylem sections are obliquely cut out from the lower portion of spores through two cutters, and a double-slope wedge-shaped joint body is formed; when the rootstock and the scion are cut, the cutting blade is immersed in an aqueous solution containing a plant growth regulator and a bactericide; the double-slope wedge-shaped joint body is inserted into the triangular pyramid-shaped embedding structure, so that the scion medullary layer and the stock medullary layer are overlapped; wrapping the interface with a composite hydrogel film containing a temperature-sensitive polymer and an antibacterial component; shading treatment is carried out after grafting is completed. The method can significantly improve the survival rate of grafted seedlings.

A grafting device and a grafting method based on a UV (Ultraviolet Rays) adhesive are provided. The grafting device includes a workbench, a transfer mechanism, a seedling loading mechanism, a cutting mechanism, an adhesive spraying mechanism, a curing mechanism and a seedling unloading mechanism. Along the circumferential direction of the transfer mechanism, a seedling loading station, an adhesive spraying station, a curing station and a seedling unloading station are sequentially arranged. The seedling loading mechanism is configured for bearing a rootstock and a scion, and the cutting mechanism is configured for cutting the rootstock and the scion. The transfer mechanism is configured for receiving and fixing the rootstock and the scion, and transporting the rootstock and the scion intermittently from the seedling loading station, the adhesive spraying station, the curing station and the seedling unloading station in turn to obtain a grafted seedling.

The application discloses a grafting seedling cultivation method for improving grafting survival rate, relates to the technical field of grafting seedling cultivation, and aims at the problem of poor success rate of seedling grafting. The application deeply fuses plant physiological characteristics, geometric morphological parameters and grafting mechanics principles, constructs a quantifiable and traceable method selection model, improves the adaptation efficiency of the grafting method by more than 3 times, realizes continuous optimization of the healing environment through continuous circulation of data comparison and parameter adjustment, guarantees efficient grafting process, sets evaluation indexes such as callus development, new shoot growth, environmental stability and root development, accurately judges the growth quality of the grafting seedling at different healing stages, realizes continuous optimization of the healing environment through continuous circulation of data comparison and parameter adjustment, and guarantees efficient grafting process.

The invention provides a graft modified PVDF (Polyvinylidene Fluoride) membrane and a preparation method thereof. The pollution resistance of the PVDF membrane is improved by adopting a physical blending-chemical grafting method. Firstly, the SMA-PVDF blended membrane is prepared by utilizing a thermally induced phase separation technology (TIPS), the SMA-PVDF blended membrane has the advantage that PVDF and SMA chain segments are entangled and are not easy to fall off, and a polyhydroxy (-OH) group or a polyamino (-NH2) group is fixed on the surface of the PVDF membrane by a subsequent grafting method, so that the hydrophilicity and the pollution resistance of the PVDF membrane can be improved, the modification effect can be lasting and stable, and the PVDF membrane can be used for preparing the PVDF membrane. And the prepared graft modified PVDF membrane has excellent performance.

The invention relates to the technical field of grafting devices, and discloses a grafting device for muskmelon seedling raising and a grafting method thereof.The grafting device comprises a cutting assembly, an L-shaped guide rail, a stock clamping assembly, a scion clamping assembly and a grafting fixing assembly; the long edge of the L-shaped guide rail is transversely arranged, the short edge is located at the upper end of the long edge, the L-shaped guide rail comprises a horizontal sliding block and a vertical sliding block, the horizontal sliding block is slidably connected to the long edge, the vertical sliding block is slidably connected to the short edge, and a grafting fixing assembly is fixed to the corner of the L-shaped guide rail. The stock clamping assemblies are fixed to the horizontal sliding block, the scion clamping assemblies are fixed to the vertical sliding block, and the cutting assembly is fixed to the middle section of the long edge of the L-shaped guide rail. According to the grafting device for muskmelon seedling raising and the grafting method thereof, the muskmelon grafting efficiency can be improved.

The invention belongs to the field of forestry, and particularly relates to a carya illinoensis big tree variety optimization and rapid yield increasing method which comprises the steps of variety selection and configuration, scion collection and preservation, big tree treatment, grafting and post-grafting management. According to the method, multi-head layered grafting is adopted for grafting, new varieties suitable for localized development (which is approved (recognized) by the national or provincial forest and grass improved variety certification committee and is suitable for local development) are used for optimizing original varieties, and integration of a rapid high-yield cultivation technology is matched; compared with other grafting methods (such as stem-cutting grafting and an existing layered grafting technology), the survival rate is increased by 30% or above, and the cultivation period before fruiting is shortened by 3 years or above. According to the method, the scions are treated in a dry ice sand blasting-room-temperature water buffering-low-temperature water heat shock mode, the scion rescue rate can be remarkably increased, and meanwhile the fruit malformation rate of first fruiting of the scions is not affected.

The invention discloses a polypropylene grafted copolymer self-reinforced polypropylene cable insulation material and a preparation method thereof, and relates to the field of high polymer materials. The preparation method of the material comprises the following steps: firstly, preparing a polypropylene grafted copolymer by a melt grafting method or an electron beam radiation grafting method; carrying out melt blending on the master batch and polypropylene to prepare a primary master batch; and finally, carrying out melt blending on the primary master batch, polypropylene, an antioxidant, a voltage stabilizer and a processing aid to obtain the cable insulating material. The polypropylene grafted copolymer induces the matrix polypropylene to generate a beta crystal form, and the beta crystal form and the polar vinyl monomer jointly realize self-enhancement independent of an elastomer, so that the toughness, the heat resistance and the direct-current dielectric property of the material are synchronously improved, and the problem of performance reduction caused by blending of traditional elastomers is solved; the method is suitable for the high-voltage direct-current cable insulation field.

The invention relates to the technical field of plant grafting, in particular to a method for improving the grafting survival rate of malania oleifera, which comprises the following steps: S1, scion preparation: treating branches of excellent perennial wild malania oleifera plants in the field, conveying the branches to an inoculation field, and disinfecting to obtain disinfected branches; s2, stock preparation; s3, grafting: preparing a scion by using the disinfected branch, treating a stock, tightening the stock and a grafting film for tongue grafting of the scion, and smearing a healing agent on a cut of the cut stock and the upper end of the grafting film; s4, management after grafting. Compared with the prior art, the method has the advantages that superior plant branches and artificially cultivated stocks are subjected to tongue grafting, and compared with bud grafting, the yield time of grafted seedlings is shortened; and then the branch of the malania oleifera superior plant is treated immediately when the scion is collected, so that the problems that the activity of the branch is reduced in the transportation process and the formation of the callus of the stock and scion cambium is slow are solved, the grafting survival rate is increased, and the grafted seedling obtaining time is shortened.

The invention discloses a grafted sapling cultivation method capable of improving the grafting survival rate, relates to the technical field of grafted sapling cultivation, and aims to solve the problem that the sapling grafting success rate is poor. According to the method, a quantifiable and traceable method selection model is constructed by deeply fusing plant physiological characteristics, geometrical morphology parameters and a grafting mechanics principle, so that the adaptation efficiency of the grafting method is improved by more than three times, and continuous optimization of a healing environment is realized through continuously circulating data comparison and parameter adjustment; according to the method, high-efficiency grafting is guaranteed, growth quality of grafted saplings in different healing stages can be accurately judged by setting evaluation indexes such as callus development, shoot growth amount, environmental stability and root development, continuous optimization of healing environment is realized by continuously circulating data comparison and parameter adjustment, and the survival rate of the saplings is increased. And high efficiency of the grafting process is ensured.

A grafting device and a grafting method based on a UV (Ultraviolet Rays) adhesive are provided. The grafting device includes a workbench, a transfer mechanism, a seedling loading mechanism, a cutting mechanism, an adhesive spraying mechanism, a curing mechanism and a seedling unloading mechanism. Along the circumferential direction of the transfer mechanism, a seedling loading station, an adhesive spraying station, a curing station and a seedling unloading station are sequentially arranged. The seedling loading mechanism is configured for bearing a rootstock and a scion, and the cutting mechanism is configured for cutting the rootstock and the scion. The transfer mechanism is configured for receiving and fixing the rootstock and the scion, and transporting the rootstock and the scion intermittently from the seedling loading station, the adhesive spraying station, the curing station and the seedling unloading station in turn to obtain a grafted seedling.

The invention discloses a Ilex rotunda grafting method which comprises the following steps: from late February to mid-March, preparing a 3-5-year-old Ilex rotunda rootstock for cultivation, and irrigating the Ilex rotunda rootstock; preparing a scion with double inclined planes; cutting a cut with the depth of 3cm in the rootstock, inserting the scion and aligning to the cambium; and carrying out double-layer binding by using a viscous PVC grafting film and a grafting soft film. The final-period management comprises the steps of sunshelter building, irrigation, bud picking, unbinding, pinching, fertilization and weeding. The problem that Ilex rotunda is difficult to breed is solved, the grafting survival rate is high, and the seedling raising period is short.

The invention relates to the technical field of coatings, in particular to a ceramic surface layer water-based color-changing paint, which is prepared from the following components in parts by weight: 40 to 50 parts of water-based acrylic resin, 35 to 45 parts of water-based polyurethane, 0.3 to 0.5 part of dispersing agent, 0.4 to 0.6 part of wetting agent, 2.5 to 3.5 parts of coalescing agent, 1.2 to 1.4 parts of flatting agent, 0.4 to 0.6 part of defoaming agent, 0.1 to 0.2 part of pH regulator and 12 to 18 parts of color filler. The activating component comprises the following components in parts by weight: 20-25 parts of a silane coupling agent, 12-18 parts of a siloxane polymer, 6-10 parts of nano silicon dioxide and 14-20 parts of epoxy resin grafted phosphate; the grafting method of the epoxy resin grafted phosphate ester comprises the following steps: reacting phosphate ester with a phenolic compound containing polyfunctional groups, and then reacting with epoxy resin. Through the synergistic effect of the silane coupling agent, the siloxane polymer, the nano silicon dioxide and the epoxy resin grafted phosphate, the technical problems of insufficient adhesive force, poor appearance and performance stability and the like in practical application can be solved.

The invention discloses a grafting method of a lantern tree, and relates to the technical field of plant grafting, and the main points of the technical scheme are that the grafting method comprises the following steps: S1, rootstock selection and treatment: selecting a pendant flower as a rootstock, cutting off the upper part of the rootstock, vertically and downwards cutting a notch on one side of the cross section of the rootstock, and forming a cut-grafting interface with the depth just reaching the xylem; s2, scion selection and treatment: selecting a lantern tree qualitative branch as a scion, cutting the scion into branch sections, cutting a long cut surface at the lower end of the scion by using a knife to expose a cambium, and cutting a short cut surface on the opposite side of the long cut surface to enable the lower end of the scion to be wedge-shaped; s3, grafting operation: inserting the pretreated long cut surface of the scion into a pre-cut vertical cut of the stock, so that the long cut surface of the scion is attached to a cambium on at least one side of the stock; a plastic film is wound upwards from the lower portion of the connector, and the combination portion of the stock and the scion is tightly bound and fixed and bagged. The invention fills up the blank of research in the field and is expected to cultivate a more heat-resistant lantern tree variety.

The invention belongs to the technical field of preparation of fluorescent elastomer materials, and particularly relates to an elastomer material capable of synchronously enhancing mechanical properties and fluorescence properties as well as a preparation method and application of the elastomer material. The elastomer material prepared by the method comprises the following raw materials in percentage by mass: 60-75% of dihydric alcohol, 12-15% of diisocyanate, 0.1-0.3% of a catalyst and 10-28% of a chain extender, the chain extender comprises a mechanical chain extender and a fluorescent chain extender, the fluorescent elastomer is specifically designed and manufactured by assembling two molecules in a controllable manner, and the elastomer material has the characteristic of simple and controllable synthesis method. The problems that an elastomer prepared by a traditional chemical grafting method is relatively low in mechanical property and the mechanical property and the fluorescence property of the elastomer cannot be synchronously enhanced are solved, and the method has relatively high practical applicability.

The utility model relates to the technical field of grafting devices, in particular to a vegetable grafting robot which comprises a rack, a cutting mechanism and a grafting mechanism, and the cutting mechanism is assembled on one side of the rack and used for cutting stocks and vegetables; the grafting mechanism comprises a conveying assembly and clamping assemblies, and the clamping assemblies are installed on the two sides of the rack and used for clamping vegetables; the conveying assembly is installed on the rack, located between the clamping assemblies and used for conveying grafted vegetables. The objective of the utility model is to improve the automation degree of grafting and increase the success rate of grafting based on the beveling attachment grafting method as the operation process basis of the grafting robot.

The invention discloses a cinnamomum migao bud stock grafting method. The method comprises the steps of seed selection, treatment, stock cultivation, scion collection, grafting, transplanting, seedling stage management and the like. The grafting method adopts a bud seedling stock grafting technology, is an effective way for accelerating the improved variety process of cinnamomum migao, effectively shortens the seedling raising period, is low in seedling raising cost, good in seedling quality, capable of realizing fast growth and early fruiting, simple and convenient to operate, easy to master by the masses, and convenient to popularize and apply.

This invention discloses a method for improving the asexual propagation of the new double-flowered crape myrtle variety 'Yunshang', comprising the following steps: (1) selecting a suitable grafting time; (2) selecting a suitable type of grafting rootstock; (3) selecting a suitable scion; and (4) selecting a suitable grafting method. By optimizing relevant process parameters using the method of this invention, the grafting survival rate of the new double-flowered crape myrtle variety 'Yunshang' is extremely high (96.67%), and its growth rate is also relatively fast (i.e., an annual growth of 167.68 cm). This allows for the rapid propagation of a large number of double-flowered crape myrtle 'Yunshang' seedlings, with excellent seedling quality. This method can maintain the superior traits of the new double-flowered crape myrtle variety 'Yunshang', meet the grafting requirements of the new double-flowered crape myrtle variety 'Yunshang', and quickly obtain high-quality seedlings of the new double-flowered crape myrtle variety 'Yunshang', which can be widely promoted and applied.

The present invention discloses a pitaya grafting and splicing method and a cutting device thereof, comprising a base, a scion placement convex strip, a slip ring, a sliding device and a cutting line, wherein the upper surface of the base is fixedly provided with a scion placement convex strip, the slip ring is fixedly provided on the right end of the base; the sliding device is slidably provided on the slip ring; one end of the cutting line is fixedly provided on the inner side surface of the slip ring, and the other end of the cutting line is fixed on the front end inside the sliding device; the fixed positions of the two ends of the cutting line are on the same plane; the grafting and splicing method is completed by the steps of stock processing, scion processing, splicing and matching, and binding and fixing. The main innovation of the present invention is that the scion is ring-cut by a rotating cutting line so that the fleshy cutting at the rear end is independent and convenient for subsequent separation, which meets the use requirements of different scions of different sizes and shapes, achieves the purpose of fast cutting to avoid hand fatigue, and also simplifies the steps of the pitaya grafting and splicing method.

The invention relates to the technical field of cucumber grafting, and particularly discloses a cucumber single-shoulder oblique splitting grafting method which comprises the following steps: step 1, a preparation stage: S1, selecting pumpkin seedlings which grow robustly, have developed root systems and are high in disease resistance as rootstocks; s2, cucumber seedlings which grow well and are free of plant diseases and insect pests are selected as scions; according to the method, one cotyledon is cut off through an oblique cleaving method with growing points in stock treatment, the grafting speed is greatly increased, the later problem that the growing points are not thoroughly removed is avoided, tight and stable combination of scions and stocks is achieved by accurately controlling the oblique cleaving angle and the attaching connection mode, and the grafting efficiency is improved. Water loss and germ invasion in the grafting process are effectively reduced, so that the grafting survival rate is remarkably increased; compared with a traditional grafting method, the method has the advantages that the operation steps are simplified, the strict requirements for the sizes, shapes and the like of scions and stocks are reduced, the difficulty of the grafting technology is lowered, and more farmers and gardening workers can easily master and apply the method.

The invention discloses a TEPA modified bimetallic MOF material for CO2 adsorption and a preparation method of the TEPA modified bimetallic MOF material, and belongs to the technical field of CO2 adsorption. The preparation method comprises the following steps: firstly, by virtue of a solvothermal method, taking zinc nitrate hexahydrate and magnesium nitrate hexahydrate as bimetallic sources, and reacting with an organic ligand 2, 5-dihydroxy terephthalic acid, so as to prepare Zn-Mg bimetallic MOF-74; and then grafting tetraethylenepentamine to the skeleton of the bimetallic MOF-74 in an inert atmosphere by adopting a post-synthesis grafting method. The chemical adsorption site of TEPA is combined with the physical adsorption framework of Zn-Mg bimetal MOF-74, the regulation and control effect of bimetal on the pore structure and rich amino functional groups introduced by TEPA are utilized, the CO2 adsorption capacity, the amine efficiency and the cycle stability are improved, and the preparation method is mild in condition, simple in process, easy to expand and suitable for industrial production. The method has a wide application prospect in the fields of industrial flue gas CO2 capture and the like.

The invention provides an idesia grafting seedling raising method, relates to the technical field of grafting seedling raising, and adopts the technical scheme that the method comprises the steps of scion type determination, grafting method determination, grafting time determination and the like. According to the statistical data of the survival rate, the determination of appearance growth indexes of the grafted seedlings, and the fruit yield and quality, the optimal grafting mode is determined to be grafting in an axillary bud cut-grafting mode at the beginning of spring. The grafting combination most suitable for idesia polycarpa branch grafting is researched from different grafting periods and different grafting methods, a set of grafting method suitable for idesia polycarpa branches is established, and a set of feasible grafting method capable of achieving industrialized seedling raising is provided for asexual propagation of idesia polycarpa. And the method has important practical significance on the popularization of improved varieties of idesia polycarpa, the preservation of germplasm resources and the improvement of industrial quality and efficiency.

This invention belongs to the field of biomedical materials, specifically providing a highly permeable hydrophilic polyurethane artificial membrane based on chemical grafting and its preparation method, comprising the following steps: S1 - Substrate pretreatment: Immersing a polyurethane film in an organic solvent, ultrasonically cleaning and soaking for 0.5-2 hours, then removing and drying to constant weight to obtain a pretreated substrate; S2 - Preparation of hydrophilic modified polyurethane: Completely immersing the substrate obtained in step S1 in a hydrophilic modification solution, introducing an inert gas for 10-30 minutes, heating to 35-45°C, and reacting under stirring or shaking in the dark for 6-24 hours to obtain a hydrophilic modified polyurethane membrane; S3 - Post-treatment: The hydrophilic modified polyurethane membrane from step S2 is sequentially acid-washed, water-washed, and then vacuum-dried to obtain the hydrophilic polyurethane artificial membrane. The hydrophilic polyurethane artificial membrane of this invention, prepared by chemical grafting, possesses high permeability and excellent mechanical properties.

The present invention discloses a seedling raising method for improving the survival rate of high-quality chestnut branch grafting, which belongs to the technical field of chestnut seedling raising. The method comprises the following steps: (1) scion picking and storage: collecting scions, wax-sealing and then storing them in a cellar for use; (2) rootstock treatment: applying compound bacterial fertilizer to the rootstock; (3) grafting: brushing treatment agent A on the rootstock after pretreatment; grafting the cellared scion onto the rootstock, and then wrapping the grafting interface with plastic film; (4) grafting interface treatment: removing the plastic film after 3 days, coating the grafting interface with treatment agent B, and then wrapping the grafting interface with plastic film again, and subsequently maintaining it according to conventional methods. By improving the grafting method, controlling the grafting process, reducing the adverse effects of bleeding fluid and pathogens on the grafting survival rate, promoting the healing of the grafting interface, and ensuring the nutrient transport of the rootstock to the scion, the chestnut grafting survival rate is improved, the problem of low chestnut survival rate after grafting by conventional methods is solved, the breeding of chestnut seedlings is accelerated, and the further development of the chestnut industry is promoted.

The present invention provides a method for rapidly cultivating fingered citron seedlings resistant to "dry fingers", which solves the problems of long cultivation cycle and easy occurrence of "dry fingers" in the existing fingered citron cultivation. The method for rapidly cultivating fingered citron seedlings resistant to "dry fingers" includes: before the fingered citron germinates, pruning the rootstock and the fingered citron, and retaining the rootstock branches and the fingered citron branches; pruning the rootstock branches into rootstock cuttings of 8-12 cm; taking scions from the fingered citron branches, and grafting the scions onto the rootstock cuttings by the bark grafting method; inserting the grafted rootstock cuttings into the plug trays filled with the substrate; in September-October of the same year, transplanting the plug seedlings in the plug trays into flower pots. Grafting the fingered citron scions onto the rootstock cuttings of 'Zhejiang citron' by the bark grafting method and then conducting cutting, it only takes 30 months from cutting to forming commercial potted plants, which can shorten the cultivation cycle by 12 months compared with the traditional method of cultivating fingered citron potted plants by cutting the fingered citron branches from seedlings; it can also effectively reduce the occurrence of the "dry fingers" phenomenon in fingered citron potted plants and improve the commercial rate of fingered citron potted plants.

The application relates to the technical field of plant grafting, and particularly discloses a grafting method capable of improving disease resistance of eggplants, which comprises the following steps: Solanum nigrum seedling, eggplant seedling, seedling period management and grafting; in the application, the wild Solanum nigrum is selected as the stock, has the advantages of fast growth speed and good disease resistance, and can greatly improve the disease resistance and yield of the plant as the stock; the eggplant has a high incidence rate during the growth process, especially the occurrence of the yellow wilt disease is serious, and the yield is completely lost in serious cases; the grafting can solve the fundamental problem; the Solanum nigrum seed has a large amount, is easy to breed, and has a high germination rate; the special nutrient solution is sprayed, the wound healing speed of the grafting is greatly accelerated, and the healing effect is good; the grafting method of the sleeve pipe is adopted, the grafting speed is improved, the wound is protected, and the bacteria are prevented from invading the wound.

The invention relates to the technical field of crop planting, in particular to a watermelon seedling grafting method capable of rapidly healing a wound surface, which comprises the following steps of: performing strong seedling management before grafting a stock and a scion, protecting the wound surface by using healing-promoting gel during grafting operation, protecting the wound surface by using a film formed by the healing-promoting gel, and matching with environment management after grafting. According to the method, the grafting survival rate is greatly increased, the seedling recovery speed is high, the growth vigor is good, and wilting and disease phenomena are avoided in the healing process.