681results about "Vegetative propogation" patented technology

The invention discloses a degraded wetland near-natural restoration method based on provenance production improvement, belongs to the technical field of wetland ecological engineering, and solves the restrictive problems of plant provenance deficiency caused by exogenous interference and low sustainable efficiency after wetland restoration. The method comprises the following steps: 1, defining provenance deletion and recovering wetland site selection; 2, creating a grid habitat of the target wetland; 3, collecting and cultivating a breeding matrix; 4, performing segmented management and control on hydrological conditions; and 5, seed source production monitoring and propagation mediation. The method is suitable for a degraded wetland near-natural recovery scene with provenance production obstacles.

A method for producing, without the help of a substrate, a plurality of rooted cuttings includes inserting at least one unrooted cutting into pockets arranged successively in a longitudinal direction of a strip element. Each pocket has an opening at a top side facing a transverse direction and a bottom side that is at least partially closed. The strip element is formed at least in part of biodegradable material having a liquid retaining capacity of at least about 100 g liquid per 100 g of biodegradable material dry weight. The strip element has first and second wall-forming members fixed to each other in a spacer area adjacent each pocket and arranged to at least partly overlap in the longitudinal direction and to not fully overlap in the transverse direction. The first wall-forming member extends past the second wall-forming member in the transverse direction at the top side of each pocket.

The invention relates to the technical field of desert tree planting, in particular to full-automatic desert tree planting equipment which comprises a vehicle body, a driving frame, a driving seat, an impact sleeve, an impact pipe, a seedling inserting seat, a seedling inserting sliding block, a supporting frame, a seedling inserting guide rod, a first spring, a direction adjusting plate and the like. A driving frame is fixedly connected to the vehicle body, a driving seat capable of ascending and descending is slidably connected to the driving frame, an impact sleeve is mounted on the driving seat, an impact pipe used for impacting out of the planting holes is fixedly connected in the impact sleeve, a seedling inserting seat is fixedly connected to the vehicle body, a seedling inserting sliding block is slidably connected to the seedling inserting seat, and a supporting frame is rotatably connected to the seedling inserting sliding block; the supporting frame is slidably connected with a direction adjusting plate through a seedling inserting guide rod. The equipment can achieve the functions of automatically impacting the planting holes, automatically pushing branches and automatically inserting the branches into the planting holes, the defect that equipment in the prior art does not have the hole impacting function is overcome, only one electric push rod is adopted for driving, and the purchase and maintenance cost of the equipment is effectively reduced.

The invention relates to the technical field of sapling cultivation, and particularly discloses a poplar sapling cultivation device. The top of the cultivation part is slidably connected with an adjusting part, one side of the cultivation part is fixedly connected with a water storage part, the side, away from the water storage part, of the cultivation part is fixedly connected with a drainage part, the cultivation part comprises a cultivation box, and the inner side of the cultivation box is fixedly connected with a fixing plate; cultivation boxes are evenly placed on the top of the fixing plate. According to the poplar seedling cultivation device provided by the invention, by arranging the adjusting part, in the growth process of poplar seedlings, the two driving mechanisms are started to drive the two adjusting frames to move relatively, and meanwhile, when the adjusting frames move, the adjusting mechanisms are synchronously driven to move upwards, so that growth guiding can be performed on branches and trunks of the poplar seedlings; and the poplar seedlings are prevented from slanting.

The invention discloses a cutting propagation method for ormosia rubescens, and belongs to the technical field of cutting of ormosia rubescens, the method comprises the steps of cutting slip collection, cutting slip pretreatment, cutting and the like, water and fertilizer regulation particles are prepared and mixed into a matrix, and the water and fertilizer regulation particles can promote absorption of nutrients and moisture in the matrix by the cutting slips in a long-acting mode and promote rooting, so that the survival rate of the cutting slips is increased; the cutting rooting time is shortened, meanwhile, absorption and utilization of nutrients and water of the cutting slips are guaranteed, the problem that the cutting slips die due to water and nutrient deficiency caused by long rooting time of the red beans is solved, the cutting survival rate of the red beans can be effectively increased, and the method has important significance on resource expansion of the red beans.

The invention relates to the technical field of forest tree seedling raising, in particular to a seedling cutting propagation device which comprises a cutting box. A material rack; and a lifting seat. Therefore, the device is reasonable in structure, core components such as the material frame and the lifting base are integrated in the cuttage box, a large swing arm is omitted, occupied space is greatly reduced, modular integration with watering equipment, fertilizing equipment and the like is facilitated, the space utilization rate of a movable vehicle body is increased, all the components are detachably connected, the device adapts to different vehicle bodies and branch sizes, and the transformation and maintenance cost is reduced; stable limiting of branches is achieved through cooperation of multiple sets of U-shaped containing grooves, the cutting perpendicularity is guaranteed through cooperation of material frame overturning and pressing rod pushing, soil extrusion and branch deviation are reduced, the cutting depth error is small, the survival rate is increased, manual intervention is reduced through the automatic feeding design of a power mechanism and a material guiding base, and the single plant cutting efficiency is remarkably improved. The large-scale seedling growing requirement is efficiently met.

The invention relates to a rapid production method of bamboo reed seedlings based on an aerial fog cutting rooting induction system, belongs to the technical field of energy plant seedling culture, and solves the technical problems that the production quantity of the bamboo reed seedlings cannot meet the requirement and the quality of the seedlings is uneven, the rapid production method comprises the following steps: S1, selecting high-quality bamboo reed stalks, and cutting after cutting; s2, preparing a rooting solution and a bamboo reed enzyme nutrient solution; s3, atomizing and spraying a rooting solution, and inducing the stem sections to root; s4, spraying an arundo donax enzyme nutrient solution, and inducing the stem sections to germinate; s5, root growth monitoring of the seedlings. According to the method, the seedling raising period is effectively shortened, the seedling quality is improved, the rooting period is about 15 days, the cultivated bamboo reed seedlings are similar in individual size, and the method is an industrial seedling raising method for the bamboo reed suitable for saline-alkali soil improvement, marginal land utilization and heavy metal contaminated soil remediation and treatment.

The invention discloses a seedling dropping and cutting device suitable for desert planting, and belongs to the technical field of agricultural instruments.The seedling dropping and cutting device comprises a frame body, a seedling feeding mechanism, a ditching mechanism and a cutting mechanism, the ditching mechanism and the cutting mechanism are both arranged on the frame body and arranged from front to back in the walking direction, the seedling feeding mechanism is arranged on the frame body, and the cutting mechanism is arranged on the frame body. The seedling conveying mechanism is arranged above the cutting mechanism and is used for conveying to-be-cut seedlings to the cutting mechanism. The device is reasonable in structural design, through the integrated design of the seedling feeding mechanism, the ditching mechanism and the cuttage mechanism, a series of continuous automatic cuttage work of ditching, seedling feeding and cuttage can be achieved, seedling cuttage automation is achieved, the structure is simple, the cuttage efficiency is high, the cuttage effect is good, and the device can be used for rapid salix psammophila seedling throwing and cuttage. The problems that an existing salix psammophila grid cutting robot is complex in structure, low in cutting efficiency, poor in cutting effect and the like are solved.

The invention provides an asiatic toddalia root twig cutting seedling raising method, and relates to the technical field of asiatic toddalia root artificial planting. The Asiatic toddalia root twig cutting seedling raising method mainly comprises the steps of selecting cutting branches, preparing a soaking solution from a 0.05% boric acid solution, IBA and DL-malic acid, treating the upper ends of the cutting branches with an ice-water bath soaking solution, treating the lower ends of the cutting branches with a normal-temperature soaking solution, soaking the cutting branches with quicklime mixed cooked rice milk and the like. According to the method, the defects in the prior art are overcome, the branch cutting rooting rate is effectively increased through treatment of the cutting branches, meanwhile, growth of lateral roots and fibrous roots is promoted, and the quality of Asiatic toddalia root cutting seedlings is improved.

The invention relates to a seedling raising method for improving the cuttage survival rate of piebalm, and belongs to the technical field of seedling breeding. The seedling raising method comprises the following steps: selecting 2-3-year-old robust eichhornia crassipes with more than 8 three-stage branches as a stock plant for scion picking, cultivating until fruits grow, and retaining the three-stage branches to obtain robust cuttings; in the next year, middle-upper twigs of semi-lignified branches which grow in the current year and have more than 4-grade branches are prepared as cutting slips; treating the cutting slips with a root growth promoting agent, cutting the cutting slips into a seedling culture substrate, and performing cutting management. According to the method, the purposes of low cost and rapid propagation of the excellent seedlings of the eriodictyon lanceolatum are achieved, the supply capacity of the seedlings of the eriodictyon lanceolatum is greatly improved, the requirement for the high-quality seedlings of the eriodictyon lanceolatum in production can be met, and the application prospect is wide.

The invention provides a planting method for improving dendrobe quality, and relates to the technical field of dendrobe planting. The method comprises the following steps: preparing a soil matrix from crushed stone, a zizania aquatica shell fermentation product and pine bark in a mass ratio of (5-8): (10-15): (10-15); good drainage and air permeability are ensured, and growth of dendrobium nobile roots and nutrient absorption are facilitated. Then the roots of the cutting slips are soaked with a rooting solution containing glucamylase and eudesmol, and the growth speed and quality of the cutting slips can be effectively improved. Glucoamylase helps to decompose organic matters, provides more energy for the cutting slips, and can significantly promote the growth of dendrobium nobile by combining with eudesmol.

The invention relates to the field of asexual propagation of avocados, in particular to a method for inducing rooting of avocado cutting slips by utilizing agrobacterium rhizogenes. The method comprises the following steps: under open experimental conditions, taking current-year-old semi-lignified shoots of grafting plant scions of persea americana L. of 2-3 years old as experimental materials, taking high-temperature sterilized coco coir as a cutting medium, carrying out vacuum infiltration infection on the shoots in an agrobacterium rhizogenes K599 infection solution for 20 minutes, infecting wounds of seedlings, inducing rooting, and carrying out rooting. A system for inducing avocado cutting rooting by using agrobacterium rhizogenes is established. According to the method, the technical problem that the avocado cutting slips are difficult to root is solved, and the technical effect of rapidly breeding the avocado clonal rootstock seedlings is achieved. According to the method, clonal breeding, popularization and application of the excellent stock variety can be realized, a more convenient and efficient way is provided for breeding, popularization and application of the excellent persea americana stock variety, and the method has important significance for breeding, popularization and application of the excellent persea americana stock.

The invention discloses a submerged plant recovery and monitoring operation and maintenance method in ecological restoration, which belongs to the technical field of submerged plants and comprises the following steps: screening submerged plant planting cultivation materials, quickly cultivating submerged plant seedlings, determining underwater planting points and automatically planting the submerged plant seedlings by adopting an underwater robot. Inputting the plurality of initial planting point distribution results into an efficiency benefit prediction scoring model to obtain a prediction scoring value of each initial planting point distribution result, and determining underwater planting points based on the initial planting point distribution result with the maximum prediction scoring value; and monitoring and managing the recovered submerged plants. The problems that existing planting is low in efficiency, high in cost and low in survival rate are solved. By establishing a systematic system of submerged plant seedling cultivation, modular propagation, automatic efficient planting and intelligent monitoring and operation and maintenance, efficient modular cultivation of submerged plants can be achieved, the planting efficiency and the survival rate of the submerged plants are improved, and the planting cost is reduced.

The invention relates to the technical field of cutting seedling raising, in particular to a cutting seedling raising method for camellia sinensis. According to the method, the cutting slips are soaked in the mixed solution of IBA, NAA and rooting powder GGR with the specific concentration, rooting of the camellia longissima cutting seedlings can be promoted, and therefore the survival rate of cutting propagation of the camellia longissima is increased. The invention also provides a camellia japonica cutting seedling raising method based on the mixed solution. The camellia japonica cutting seedling raising method comprises the following specific steps: obtaining camellia japonica cuttings and cutting the camellia japonica cuttings into scion sections; soaking the scion sections in a rooting solution to obtain cutting slips; cutting the cutting slips; seedling management. According to the method, a simple, convenient, safe and efficient camellia sinensis cutting seedling raising technical system is established through a cutting means, a theoretical basis can be provided for large-scale production of high-quality camellia sinensis seedlings, and experimental materials are also provided for camellia sinensis tissue culture seedling raising.

The utility model discloses an auxiliary white kidney bean cuttage bean rod ground inserting device which comprises a movable base, the top of the movable base is fixedly connected with a vertical plate, the side wall of the vertical plate is provided with a cuttage bean rod ground inserting mechanism in a lifting mode, the whole vertical plate is of an L-shaped structure, and a lifting screw rod is rotationally connected between the vertical plate and the movable base. A servo motor is fixedly mounted at the top of the vertical plate, the end of an output shaft of the servo motor extends into the vertical plate to be fixedly connected with the lifting screw, a lifting plate is slidably connected to the side, located on the soybean stalk cutting and ground inserting mechanism, of the vertical plate, a lifting groove is formed in the side wall of the vertical plate, protruding blocks are fixed to the two ends of the lifting plate, and the ends of the protruding blocks penetrate through the lifting groove. The cutting device is suitable for cutting of cutting rods with different depths, the use range is expanded, the cutting rods are detachably installed at the bottom of the supporting plate, the abraded cutting rods can be detached and replaced, and the service life of the device is prolonged.

The invention relates to the field of branch propagation of flowers and plants, in particular to a cutting propagation method and a special cutting potting for Riezelia. According to the cutting propagation method for the Rielogyne, hormones and EM compound probiotics are used for jointly promoting germination of stem roots of the Rielogyne, the seedling propagation method is achieved, the tedious tissue culture seedling process is omitted, raw materials are saved, the risk of disinfection of tissue culture explants is reduced, operation is easy and convenient, cost is low, the period is short, and compared with orchid tissue culture seedling production, the cutting propagation method has the advantage that the yield is high. Compared with the prior art, the method has the advantages that the growth rate is higher, and the rooting rate is higher, in addition, the combined covering state of the main shading net and the auxiliary shading net can be automatically adjusted according to requirements by using the cuttage potted plant special for the Riezelia cutting propagation, and the survival rate of the Riezelia is increased on the basis that the application of the Riezelia cutting propagation method is met. And an intelligent culture environment is provided for cutting propagation of the Rieguinensis.

The present invention belongs to the technical field of seedling cuttings, and discloses a device for breeding seedlings that are easy to root and cuttings and a method for using the device. The device comprises a seedling bed assembly, a heat preservation assembly is installed on the top of the seedling bed assembly, a matrix basket assembly is installed on the bottom of the seedling bed assembly, the seedling bed assembly comprises a seedling frame, two first chutes are arranged on the top of the seedling frame, both ends of the seedling frame are fixedly connected with a water tank box, two supporting feet are fixedly connected to the bottom of the two water tank boxes, one of the water tank boxes has two second chutes on the top, and the two second chutes are respectively connected to the corresponding first chutes. The device of the present invention can facilitate operators to load the matrix required for seedling cultivation into the base frame, and quickly inject water onto the matrix so that the matrix is ​​evenly in contact with the cuttings, thereby solving the problem that traditional matrix bagging is relatively time-consuming, and the device can be used for a long time and repeatedly.

The utility model provides a cottage bed with a cottage positioning structure, which comprises a cottage plate, a cottage bed and a recovery assembly, the recovery assembly is arranged on the lower side surface of the cottage bed, and the recovery assembly comprises a recovery box used for collecting irrigation water and a baffle used for changing the water flow direction. Compared with the prior art, the cutting device has the advantages that the cutting plates are arranged, the cutting holes are formed by the cutting plates, it is guaranteed that each cutting seedling is cut in the corresponding cutting hole, the cutting position is accurate, meanwhile, a user can adjust the number and the position of the cutting holes through the cutting plates of different numbers according to different requirements, and the cutting efficiency is improved. By arranging the recycling assembly, waste is reduced, irrigation water is recycled in a centralized mode, follow-up treatment is facilitated, meanwhile, the phenomenon that water accumulates at the bottoms of the cuttage holes is avoided, diseases are reduced, and the situation that roots of cuttage plants are soaked with excessive water, and consequently the plants die is prevented.

The invention discloses a Chinese wolfberry seedling raising method for improving paddy field soil, which comprises the following specific steps: collecting cutting slips: collecting branches with the diameter of more than 0.3 cm, cutting the branches into cutting slips with the length of 12-15 cm, and reserving 2-3 tender shoots on each cutting slip without damage; rooting liquid treatment: preparing a rooting liquid, and soaking the positions 3-5 cm above the bottom ends of the cutting slips in the rooting liquid for 12-24 hours; the rooting liquid is mainly prepared from rice vinegar and brown sugar; temperature-controlled root promoting: controlling the environment temperature to be 15-25 DEG C, and vertically inserting the cutting slips treated by the rooting liquid into the seedling raising container; the seedling raising container is filled with improved paddy field soil in advance; when 1-2 tender shoots newly grow on the cutting slips and 7-8 tender leaves grow on the cutting slips, shoot tips are removed, so that the tender shoots on the cutting slips are converted into semi-lignified from fleshy, apical dominance is inhibited, rooting is promoted, and seedling raising is continued; when new buds grow out again, seedling raising is completed, and the seedlings are transplanted to a field for planting. The lycium barbarum seedling raising method has the advantages of being low in cost, environmentally friendly, high in survival rate, suitable for improved paddy field soil and the like.

The utility model belongs to the technical field of agricultural robots, and relates to a nursery stock cuttage robot which comprises a base and a linear module which is installed on the base and can move in multiple degrees of freedom of X-axis, Y-axis and Z-axis, a vibration disc is arranged in the middle of the base, a feeder is arranged on one side of the vibration disc, and the output end of the feeder is located above the vibration disc. The feeder is used for storing and providing nursery stocks to be cut for the vibration disc, the other side of the vibration disc is provided with a plurality of hole trays, the hole trays are used for cutting the nursery stocks to be cut according to an array, the bottom of the linear module can be leveled, the linear module is provided with a tail end gripper, and the linear module drives the tail end gripper to move left and right, front and back and up and down. And the rotating hand at the tail end grabs the to-be-cut seedlings in the vibration disc and accurately cuts the seedlings into the hole disc. According to the utility model, the running speed and the running precision of the robot are improved, the gripper at the tail end can quickly and accurately stop at any position, cutting seedlings at all angles can be grabbed and cut into a hole tray, the accuracy of the cutting operation is improved, and the application range is expanded.

The present invention is directed at a method to produce a substantial number of seeds (e.g., 10,000) from a single plant. The method involves growing a mother plant under conditions designed to substantially maintain the mother plant in a vegetative state and substantially delay reaching reproductive stage. Then, removing the apical meristem once the mother plant has reached a desired stage of growth. The method further involves removing one or more branches from the mother plant (as branch cuttings). The method additionally involves maintaining each of the branch cuttings in growth media under acclimation conditions until each of the branch cuttings resume growing vegetatively as clone plants, then inducing the clone plants to flower and once the clone plants have been induced to flower, returning them to vegetative growth conditions. The clone plants are then maintained under vegetative growth conditions until they have produced a desired number of seeds.

The present application belongs to the technical field of seedling raising, and provides a seedling raising and pruning device, which comprises a mounting seat, a first cutter seat and a second cutter seat oppositely arranged on the mounting seat, a first through hole formed in the first cutter seat, a first cutter head arranged on one side of the first cutter seat away from the second cutter seat and used for removing end leaves of seedling branches, a second cutter head and a first elastic member arranged on one side of the first cutter seat close to the second cutter seat, a cutter groove matched with the second cutter head arranged on the second cutter seat, a second through hole formed in the second cutter seat, a centering assembly fixedly connected to one side of the second cutter seat away from the first cutter seat and used for positioning and clamping seedling branches, a clamping assembly arranged on one side of the centering assembly away from the second cutter seat and used for clamping seedling branches, and a shearing assembly used for shearing seedling branches. The present application solves the technical problem that the treatment of seedling branches before cutting in the prior art relies on manual operation, which is time-consuming and laborious and has low production efficiency, saves time and labor cost, and improves production efficiency.

The invention discloses a leymus chinensis accelerant and a method for repairing grassland by using the leymus chinensis accelerant, and belongs to the technical field of plant accelerant preparation. The method for repairing the grassland through the leymus chinensis accelerant comprises the following steps that P1, the underground part of leymus chinensis is cut up, and a pretreated leymus chinensis bud propagule is obtained; p2, spraying a leymus chinensis accelerant to the pretreated leymus chinensis bud propagules to obtain bud propagule segments; and P3, sowing the propagule section into the natural grassland by using a sowing machine, and repairing the grassland. By spraying the leymus chinensis accelerant, the vigor of leymus chinensis bud propagules can be effectively improved, the growth of leymus chinensis is promoted, and the biomass is increased, so that the restoration of grassland is realized.

The invention belongs to the technical field of plant regeneration through a tissue culture technology, and the classification number is A01H; the invention particularly relates to a radix fici simplicissimae seedling raising method and application thereof. The seedling raising method comprises the following steps: cleaning and disinfecting radix fici simplicissimae leaf tissues, and then airing for later use; the method comprises the following steps: soaking radix fici simplicissimae leaf tissues serving as explants in a germination-promoting induction culture medium at room temperature for 12-20 hours, wherein the germination-promoting induction culture medium is 5-aminolevulinic acid loaded modified nano-zeolite dispersion liquid; placing the soaked leaf tissues on a seedbed paved with nutrient soil according to the number of 1-2 leaf tissues in each hole for culture, and spraying water until the soil is moist at the same time; after leaf tissue culture is conducted for 10-20 days, a nutrient solution is sprayed every 3-5 days, spraying is conducted every time till soil is moist, and when seedlings are cultured to be 10-15 cm high, the seedlings are transplanted to a field. The prepared culture medium can improve the germination rate of the radix fici simplicissimae, promote the growth of seedlings and reduce the seedling culture cost.

The invention provides a method for improving the cutting survival rate of clematis orientalis and promoting seedling growth. By optimizing the cutting medium ratio and the auxin treatment process, the technical breakthrough of increasing the survival rate, the vine length and the number of leaves is achieved. The method specifically comprises the steps that peat, perlite and vermiculite matrixes are selected, cuttings are treated in cooperation with an IBA solution in a rapid dipping mode, the cutting preparation technology that 2-4 leaves are reserved at nodes is combined, the greenhouse environment, the matrix water content and the air humidity are strictly controlled, a graded seedling raising system with the breathable bottom is innovatively adopted, and the annual yield of a greenhouse per mu reaches 20-25 thousand plants. The industrial bottleneck of low breeding efficiency and long period is solved, and reliable technical support is provided for large-scale production of medicinal and ornamental clematis.

The invention discloses a passion fruit cutting and atomizing rapid seedling raising method. The method comprises the following steps: (1) preparing a seedling raising substrate; (2) selecting a cutting material; (3) treating before cutting; the passion fruit cuttage atomizing rapid breeding method is easy and convenient to operate, high in seedling emergence survival rate, high in survival rate after transplanting and worthy of application and popularization.

The invention discloses a cuttage method for garden small chrysanthemum, and relates to the technical field of agricultural production. The method comprises the following steps: S1, selecting cutting slips: preferentially selecting top shoots and twigs, cutting the cutting slips with the length of 5-10cm, reserving 1-2 leaves at the top, cutting large leaves into halves, removing redundant leaves at the bottom, and cutting the large leaves into halves to reduce transpiration; s2, performing incision treatment and disinfection: obliquely cutting the base parts of the cutting slips by using a sharp cutter to increase the water absorption area, then soaking the cutting slips in a disinfectant for disinfection, and promoting rapid healing of the incision after disinfection. S3, rooting agent supplementation: soaking the bases of the cutting slips with a rooting agent to accelerate rooting; a loose and breathable mixed substrate is used, base fertilizer application is avoided, root burning is prevented, thorough watering is performed before cuttage, punching is performed with bamboo sticks, the rooting speed of the chrysanthemum can be effectively increased, and meanwhile the root quantity can be increased.

There is provided a pick-and-plant head for planting plant cuttings in a cultivation medium. The pick-and-plant head is provided with a grasper comprising opposed grasping surfaces for grasping a portion of a cutting between them and with an abutment that abuts a cutting. The grasper and abutment are moveable relative to one another and are arranged so that during release of a cutting from the grasper the abutment passes between the opposed grasping surfaces and the cutting is abutted by the abutment.

The invention relates to the technical field of plant stress regulation and medicinal plant cultivation. A salt stress damage repair method for cutting seedlings of aromatic medicinal plants comprises the following steps: after asexual cutting seedlings of the aromatic medicinal plants suffer from salt stress, spraying a melatonin aqueous solution with the concentration of 50-200 [mu] mol.L to the leaves of the seedlings in a repair window period of 3-6 days after the salt stress occurs, spraying 1-2 times a day, continuously spraying for 2-3 days, and continuously spraying the melatonin aqueous solution with the concentration of 50-200 [mu] mol.L to the leaves of the seedlings in the repair window period of 3-6 days after the salt stress occurs. Melatonin is used for repairing salt damage of the asexual cuttage seedlings of the aromatic medicinal plants. The melatonin can be accurately applied before the salt damage critical point to repair the physiological damage of the cutting seedlings of the aromatic medicinal plants, and the salt damage influence of the cutting seedlings of the aromatic medicinal plants is greatly reduced; the problems that cutting seedlings of the aromatic medicinal plants are prone to salt damage under salt stress, the survival rate is low, and the content of main medicinal components is reduced are solved, and the dual effects of seedling physiological restoration and medicinal component content stabilization can be achieved.

The invention relates to the technical field of plant cutting propagation, in particular to a method for cutting propagation of twigs of dalbergia humilis. The method comprises the following steps that 1, cutting environmental factors are set in a closed greenhouse, the light transmittance is 70%-75%, and spraying is conducted regularly so that the humidity can be kept at 85%-90%; 2, cutting slips are sheared, and cutting branches are selected as semi-lignified middle parts; 3, selecting a cutting medium, wherein the cutting medium is loess; and 4, hormone treatment: soaking the cutting slips in a 250 mg / L IBA solution for 30 minutes, then performing cuttage, and inserting half branches into the substrate. According to the technical scheme, by controlling the cutting time, the cutting environment, the cutting treatment, the cutting medium and other factors, the cutting rooting rate and the survival rate of the twigs of the dalbergia huang are remarkably increased, and the rooting rate is increased by 20%-50% or above.