97 results about "Tree breeding" patented technology

The invention discloses an irrigation device and method for forest tree breeding, and belongs to the technical field of forest tree breeding, the irrigation device comprises a liquid conveying pipe connected with a liquid conveying pump, the outer side of the liquid conveying pipe is connected with a sleeve, the outer side of the sleeve is fixedly connected with a branch pipe, and the outer side of the branch pipe is communicated with an irrigation pipe; the connecting pipe is rotationally connected to the outer end of the branch pipe, the end, away from the infusion pipe, of the connecting pipe is fixedly connected with an irrigation pipe, and a pressure valve assembly is arranged on the inner side of the branch pipe; the fixing plates are fixedly installed on the outer sides of the branch pipes, fertilizer feeding assemblies are arranged above the fixing plates, fixing assemblies are rotationally installed at the tops of the fertilizer feeding assemblies, and meanwhile the two fixing assemblies are spliced and fixed to the outer side of the trunk. According to the irrigation device and method for forest tree breeding, swing type uniform irrigation can be achieved through the water pressure effect, application of a corresponding amount of fertilizer can be achieved according to the specific growth progress of trees, and the forest tree breeding effect is effectively improved.

The invention discloses a pest control management system and method for forest tree breeding, and relates to the technical field of forest tree breeding and seedling raising, and the method comprises the following steps: collecting environment data and soil rhizosphere data by collecting multi-mode images of leaves and trunks of a pinus massoniana young forest and videos that pinus massoniana caterpillars gnaw leaves and cluster diffusion; constructing a disease and insect pest recognition model by using a convolutional neural network, performing definite diagnosis on pine wood nematode disease, pine caterpillars and monochamus alternatus hope, and quantifying the disease and insect pest occurrence area and population density of each sub-region; calculating a pine wood nematode disease control demand index, comparing the pine wood nematode disease control demand index with a threshold value, and triggering a corresponding control strategy; the diffusion coefficient of the pine caterpillars is calculated and compared with a risk threshold value, and a prevention and control scheme is formulated; calculating the propagation coefficient of the monochamus alternatus hope, judging the propagation risk and giving a prevention and control strategy; according to the invention, intelligent pest identification, risk quantification and control strategy closed-loop control are realized, treatment and scientific prevention and control are facilitated, and the pest control efficiency of the pinus massoniana young forest and the forest stand health level are improved.

The utility model discloses forest tree breeding culture equipment, which relates to the technical field of forest tree breeding and comprises a support frame, a plurality of planting trays are fixed on the support frame and are linearly arranged from left to right, a plurality of planting grooves are linearly arranged at the top of each planting tray, and a fixing plate is fixed on each planting tray. A first electric push rod is arranged on the fixing plate, a transmission box is fixedly installed at the output end of the first electric push rod, a plurality of carrying rods are inserted into the top of the transmission box, and the transmission box is rotationally connected with the carrying rods through bearings. A driving assembly is utilized to pull a first bevel gear to rotate, so that the first bevel gear pulls a carrying block and an L-shaped cutter to rotate by virtue of a carrying rod, and the L-shaped cutter is utilized to cut soil in a planting groove, so that forest seedlings and root soil can be better separated from the planting groove, and transplanting of the forest seedlings is facilitated; and the forest seedling transplanting efficiency is improved to a certain extent.

The invention provides a tree species screening method for high-altitude drought afforestation, an afforestation method and application, and belongs to the technical field of forest tree breeding and cultivation. According to the screening method, five physiological and biochemical indexes of soluble protein, malondialdehyde, proline, peroxidase and soluble sugar in the tree species are measured through a gradient drought stress experiment, and comprehensive scoring is performed by adopting a membership function, so that the drought-resistant tree species are scientifically screened. The tree species such as sophora moorcroftiana, rosa serrulata and amorpha fruticosa screened by the method are applied to afforestation in the high-altitude arid region, and the afforestation survival rate and preservation rate can be remarkably increased. The invention provides a reliable technical scheme for solving the long-term problem that the selection of tree species in the difficult site field lacks scientific basis.

The utility model relates to the technical field of seed soaking and germination accelerating devices, and discloses a seed soaking and germination accelerating device for forest tree breeding, which comprises a bottom plate, a seed soaking and germination accelerating mechanism is arranged at the top of the bottom plate, and a quantitative seed shifting mechanism is arranged at the top of the seed soaking and germination accelerating mechanism. A third motor drives a gear outside a crushing roller to rotate, so that the gear drives the gear crushing roller and the crushing roller to rotate at the same time, caked sandy soil is easily scattered, the device is prevented from being blocked, a placing plate is pulled out, and a second motor drives a double-end rotating cam rod to rotate, so that the double-end rotating cam rod drives a guide rod at the bottom of a sieve plate to slide in a connecting plate; a sieve plate is rebounded by a spring, so that the sieve plate rotates, sandy soil at the bottom of the sieve plate is vibrated off, the sandy soil and breeding seeds are separated, the breeding seeds are taken out quickly, and breeding rhizomes are prevented from being damaged; a fourth motor drives a quantitative rotating roller to rotate, quantitative seeds fall into the quantitative rotating roller, and the quantitative rotating roller rotates to sow the seeds; and uniform sowing is facilitated.

The invention relates to the technical field of desert forest breeding and seedling raising, in particular to an intelligent monitoring system for irrigation of trees on two sides of a road in a desert area. The cruise planning module is used for planning a cruise route according to the plant growth vigor; the irrigation control module is used for analyzing the irrigation water amount according to the cruise route; and the irrigation monitoring module is used for monitoring the plant irrigation condition according to the image fragments, carrying out plant irrigation cost analysis according to the plant irrigation condition, analyzing the special irrigation necessity according to a plant irrigation cost analysis result, and carrying out feedback adjustment on the cruise route of the task irrigation trolley. The desert irrigation trolley is managed, irrigation and irrigation monitoring of trees on the two sides of the desert road are achieved, seedling and breeding differentiated irrigation is conducted on the trees on the two sides of the desert road, and the utilization efficiency of desert irrigation water resources is improved.

The invention discloses a forestry afforestation sapling transplanting protection device and method convenient to move, and relates to the field of forest tree breeding, the forestry afforestation sapling transplanting protection device comprises a base, a moisturizing mechanism, a clamping mechanism and a placing mechanism are fixedly arranged on the upper surface of the base, and the moisturizing mechanism is connected with the placing mechanism; and fixing mechanisms are arranged on the bottom surfaces of the placing mechanism and the base. The bottom surface of the base is provided with a groove, a supporting shaft, a supporting rod and universal wheels, and a placing mechanism is arranged above the base, so that when the device is used for auxiliary work of sapling transplanting, a user can place a to-be-transplanted sapling on two second clamping plates, and the to-be-transplanted sapling is placed on the second clamping plates; at the moment, a plurality of universal wheel moving devices can be used for moving the saplings, the saplings are moved and transferred to a transplanting site, so that a user can conveniently move the saplings which are large in size and heavy, the user can conveniently move and transfer the device body through a plurality of universal wheels, and the use convenience of the device is further improved.

The invention relates to the technical field of greenhouse cultivation, and discloses a multi-section temperature control ventilation agricultural forest tree breeding assembly type greenhouse which comprises a supporting framework, the supporting framework is covered with an inner layer film, a plurality of fixing frames are fixed to the top end of the supporting framework and distributed in a linear array, and the inner layer film covers the supporting framework. A shielding plate is arranged above the supporting framework, and the shielding plate is connected with the fixing frames through a plurality of connecting rods. The first motor drives the first rotating shaft to rotate to drive the outer layer film to rotate, accumulated snow is conveyed to the two ends of the greenhouse, automatic cleaning is achieved, a worker does not need to hold a tool to clean the snow, the snow cleaning efficiency is improved, in addition, the scheme replaces a traditional mechanical snow cleaning mode, and the labor intensity is reduced. Direct contact between the snow cleaning tool and the greenhouse film and possible damage are avoided, and the service life of the film is prolonged.

The invention relates to the field of genome prediction, and particularly discloses a GEP-GANGP-based genome prediction system and method, and the method comprises the steps: generating synthetic phenotype data by using GEP-cGAN; processing real and synthetic data through a feature extraction network; calculating interaction characteristics of the genotype and the environment by adopting a cross-modal attention mechanism; a transfer learning module is used for realizing knowledge transfer and feature enhancement; synchronously outputting a phenotype prediction value, an effect weight and an interpretability characteristic through a multi-task decoder; the system comprises a GEP-cGAN module, a biological multi-head attention mechanism BMAM module, a cross-modal interaction feature extraction module, a transfer learning TrG2P module and a multi-task decoder module. According to the method, the problems of low prediction precision, poor generalization ability and weak model interpretability in a small sample scene in forest tree breeding are solved, the accuracy and practicability of genome prediction are remarkably improved, and reliable technical support is provided for forest tree genetic improvement.

The invention discloses intelligent farmland soil moisture content monitoring and water and fertilizer regulation and control equipment, and belongs to the technical field of forest breeding and fertilization, the intelligent farmland soil moisture content monitoring and water and fertilizer regulation and control equipment comprises a cylinder, a mounting seat is fixedly mounted at the top end of the cylinder, and a drill bit is fixedly mounted at the bottom end of the cylinder. The drill bit is arranged at the bottom end of the barrel, the spray hole is formed in the drill bit, the drill bit is used in cooperation with the water injection mechanism, in the installation process, the adjusting ring is held by hand to control rotary insertion of the barrel, installation is more convenient, and in the installation process, the insertion groove larger than the barrel diameter can be formed through impact of water flow; the sensor probe extends out of the cylinder body through the telescopic mechanism, the sensor probe does not make contact with the inner wall of the insertion groove, finally, the filter cylinder is used for screening soil and falling the soil into the insertion groove containing water, the sensor probe is buried, monitoring operation is conducted after the soil is dried, the contact effect of the sensor probe and the soil is guaranteed, and the monitoring efficiency is improved. And in addition, a contact type measurement mode is adopted, so that the measurement result is more accurate.

The invention discloses a genome selective breeding method based on poplar multi-generation hybrid population growth traits and application, and belongs to the technical field of poplar genetic breeding. Based on a multi-generation hybrid population of 762 American black poplar plants, a growth character genome selective breeding research is systematically developed, an optimal reference genome is selected, and SNP loci significantly related to the growth character of the poplar are identified through hybrid population re-sequencing and whole genome association analysis. The influence of 10 GS statistical models and different marker screening strategies on the whole genome selection prediction precision is evaluated, the optimal genome selection prediction method for the growth traits of the populus americana is established, and compared with random markers, the prediction precision is averagely improved by 114.48%. According to the method, early prediction of poplar growth traits can be realized, and fast-growing excellent parents and filial generations can be screened out, so that the forest tree breeding period is shortened, the forest tree breeding precision is improved, the test scale is reduced, and the breeding process of forest tree excellent germplasm is accelerated.

The application provides a large-scale rapid tree planting device and method for forest tree breeding, which comprises a mobile vehicle body, a first circular hole is symmetrically formed in the mobile vehicle body; a lead screw motor is symmetrically installed on the mobile vehicle body; a lifting plate is slidably connected to the mobile vehicle body, and a lead screw of the lead screw motor is threadedly connected to the lifting plate; and a rotating cylinder is symmetrically rotatably connected to the lifting plate. Through the cooperation of the rotating cylinder, the first spiral blade, the conical plate and the second spiral blade, the tree seedling placing and soil covering processes can be automatically completed during the digging process. Specifically, the rotating cylinder is driven to rotate by the rotating assembly, the conical plate is controlled to open and close by the unfolding assembly, the tree seedling is accurately placed into the hole, and the soil covering assembly automatically backfills the soil. The series of actions are seamlessly connected, the continuity is high, the overall planting efficiency can be improved, and the device is suitable for large-scale rapid tree planting operation.

The application discloses a kind of saline-alkali resistant kandelia candel tree breeding soil salt content detection adjusting equipment, it is related to kandelia candel tree breeding technical field, it solves equipment when using, it cannot be automatically adjusted according to salt content, and when soil is watered to adjust salt content, it is usually watered to soil outside, moisture is difficult to soak to inner layer, leading to the adjustment of soil salt content has error, and device is difficult to use in combination, and the problem of large space occupation.A kind of saline-alkali resistant kandelia candel tree breeding soil salt content detection adjusting equipment, including breeding component, the rear side of the breeding component is equipped with adjusting component, the both sides of the adjusting component are respectively equipped with fresh water tank and salt water tank.The application is cooperated by flow pipe and mounting framework, so that water is directly discharged into the soil inside through the flow pipe, then sprayed outward through the spray head and enters the soil inside through the surface of the filter screen, so that the device can directly spray water inside the soil to prevent the situation that water does not penetrate into the soil inside.

The invention relates to the technical field of breeding hybridization, and discloses a jujube tree breeding hybridization isolation device which comprises a top cover, the top end of the top cover is fixedly connected with a glass cover plate, the surface of the top cover is fixedly connected with an insect-proof gauze element, and the inner wall of the side, away from the insect-proof gauze element, of the top cover is fixedly connected with a frame plate. The end face of the end, away from the top cover, of the frame plate is provided with a rotating wheel, the surface of the side, close to the rotating wheel, of the frame plate is fixedly connected with an inner control plate, and the inner wall of the end, away from the rotating wheel, of the frame plate is fixedly connected with a control valve. When the device is used, the device is pushed to a jujube tree seed needing to be isolated, at the moment, in an external isolation component, a control valve drives an output rod to operate, the output rod drives an output bevel gear to operate, when the output bevel gear operates, a stress bevel gear is driven to operate through the surface meshing effect, and when the stress bevel gear operates, the control valve drives the output bevel gear to operate. When the fan plate groove runs, the stress rod is driven to rotate and run along the inner wall of the fan plate groove, and when the fan plate groove runs, the fan plate on the surface is driven to run.

The invention relates to the technical field of forest tree breeding and seedling raising, in particular to a forest farm forestry efficient planting device which comprises a base, a plate trailer is adjustably mounted at the bottom of the base, an air pump is mounted at one corner of the top end of the plate trailer, a protective seat is mounted on one side of the top end of the base, and a seedling seat is rotatably embedded into the edge of the top end of the protective seat. According to the device, soil loosening and hole digging, seedling conveying and seedling inserting, soil filling and compacting and watering and fertilizing are integrated, the connection stability of all workshops is improved, the failure rate of the device is reduced, the space occupation ratio of the device is reduced, the energy consumption of the device is effectively reduced, and the device is suitable for popularization and application. The planting depth of the saplings is dynamically controlled, the adaptability of the device is improved, the application range of the device is expanded, meanwhile, the flexibility and reliability of sapling planting work are improved, and the survival rate of the saplings after planting is improved.

The present invention belongs to the technical field of forest tree breeding, and particularly relates to a salt-tolerant SSR molecular marker, reagent and application thereof for Fraxinus. The salt-tolerant SSR molecular marker for Fraxinus includes one or more combinations of 213, 167, 217, 92, 208, 203, 202 and 186. The molecular marker is significantly associated with the salt-tolerant trait of Fraxinus. Furthermore, the salt-tolerant SSR molecular marker combination and its primer set can be used to detect the tolerance of Fraxinus and assist in cultivating salt-tolerant Fraxinus varieties, effectively improving the efficiency of salt-tolerant breeding.

The invention discloses a robinia pseudoacacia rejuvenation, cuttage propagation and rejuvenation effect evaluation method and system, and belongs to the field of biological forest breeding, the method comprises the following steps: stem cutting and rejuvenation: selecting a robinia pseudoacacia seed tree for stem cutting and coppice shoot generation in a set stem cutting time; selecting a cutting rejuvenation material, namely selecting a stump current-year robinia pseudoacacia root coppice shoot within a set sampling time, and performing cutting in a greenhouse; rooting index statistics: performing statistics on rooting indexes of the cutting seedlings after cutting, and calculating the rooting indexes; and rejuvenation effect evaluation: after the cutting seedlings grow for a set time, counting growth indexes and age marker gene expression conditions, and combining rooting indexes to obtain rejuvenation effect evaluation. According to the method, the rejuvenation effect of the robinia pseudoacacia is evaluated from multiple aspects through phenotype and rejuvenation gene expression conditions, the reliability and scientificity of the method are ensured, the problems of age effect and scion yield in asexual reproduction of the robinia pseudoacacia are solved, and technical support is provided for the asexual reproduction process of excellent genotypes of the robinia pseudoacacia.

The application provides a method for improving the germination rate and storage capacity of kiwi pollen, and belongs to the technical field of forest tree breeding. The method comprises the following steps: S1, placing the pollen of male kiwi flowers in 24-28 DEG C light treatment for 10-14 hours; S2, spreading the pollen treated in S1 on an in vitro germination medium for light culture; S3, observing the germination state of the pollen and calculating the survival rate of the pollen. According to the method, the pollen is first placed in 24-28 DEG C light pretreatment for 10-14 hours, so that the germination rate of the pollen is significantly higher than that of fresh pollen, and compared with the pollen without pretreatment, the method can further improve the pollen storage capacity of kiwi pollen under 4 DEG C and-20 DEG C storage conditions, and the decrease range of the pollen germination rate during storage is significantly reduced.

The invention discloses a SNP site combination and application related to rubber tree breeding traits, and belongs to the field of molecular biotechnology. The 298 SNP sites adopted by the present invention are related to the important breeding traits such as bark thickness, cold resistance, stem girth production rate, latex yield and number of latex tubes of rubber tree, and it can be applied to the molecular marker-assisted breeding work of rubber tree, by measuring the genotype of these 298 SNP sites in rubber tree individual DNA, quickly analyzing germplasm resources, determining the dominant allele carried in breeding parent materials, and accelerating breeding process. In addition, 298 SNP sites are relatively few in number, not only reducing the cost of genotype detection, compared with the SNP sites of the whole genome, more suitable for the rough screening of a large number of samples, and more advantageous in the comprehensive trait evaluation of rubber tree breeding than the SNP sites of the whole genome.

The invention provides a large-scale rapid tree planting device and method for forest tree breeding, and the device comprises a mobile vehicle body which is symmetrically provided with first round holes; the screw rod motors are symmetrically mounted on the mobile vehicle body; the lifting plate is slidably connected to the movable vehicle body, and a lead screw of the lead screw motor is in threaded connection with the lifting plate; and the rotating cylinders are symmetrically and rotationally connected to the lifting plate. Through cooperation of a rotating cylinder, a first spiral blade, a conical plate and a second spiral blade, sapling throwing and soil covering processes can be automatically completed in the pit digging process, specifically, the rotating cylinder is driven to rotate through a rotating assembly, opening and closing of the conical plate are controlled in combination with an unfolding assembly, saplings are precisely thrown into pits, and the pit digging efficiency is improved. Meanwhile, the soil covering assembly automatically backfills the soil, the series of actions are seamlessly connected, the continuity is high, the overall planting efficiency can be improved, and the device is suitable for large-scale rapid tree planting operation.

The utility model relates to the technical field of forest tree breeding devices, and discloses a forest tree breeding device with an adjustable spraying angle, which comprises a main body, soil is arranged on the inner side of the bottom of the main body, a water seepage diversion pipe is fixedly connected to the inner side of the bottom of the main body, and a water pump is fixedly connected to the left side of the water seepage diversion pipe. A water tank is fixedly connected to the left side of the water pump, a flexible hose is fixedly connected to the top of the water seepage flow dividing pipe, a lifting mechanism is arranged at the top of the main body, and a worker can quickly adjust the horizontal rotating angle of a spraying head through a rotating angle adjusting mechanism and a manual rotating worm; the support rotates with the connecting point of the connecting rod and the rotating column as the axis, so that the rotating vertical angle of the spraying head on the support can be rapidly adjusted, the device can accurately spray the pesticide to a target area, uneven pesticide receiving of forest trees is avoided, the control effect is improved, and waste is avoided.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to a peach tree MADS BOX transcription factor PpAGL24 gene and application thereof. Specifically, an MADS BOX transcription factor PpAGL24 gene is cloned in a peach tree root system, and the nucleotide sequence of the gene is shown as SEQ ID NO.1. Molecular biology experiments and genetic engineering means prove that the gene actively responds to low-nitrogen signals, peach lateral root generation and nitrogen absorption and utilization can be promoted, the nitrogen utilization efficiency of transgenic plants can be effectively improved, and the transgenic plants can be applied to the field of plant growth. Gene resources are provided for peach tree breeding with high nitrogen utilization efficiency, the current situation that nitrogen fertilizer is excessively used due to low nitrogen utilization efficiency in peach tree production can be solved, and the application prospect is very high.

The invention discloses an accurate pest expelling device for forest breeding, which comprises a monitoring station and a moving device, the upper end of the monitoring station is fixedly connected with a camera, the monitoring station is internally provided with an information assembly, a spraying assembly and an evaluation assembly, the moving device is provided with a shell, a feeding bin and an arc-shaped rail, and the arc-shaped rail is slidably connected with the evaluation assembly; through alternate use of two kinds of reverse pheromones built in the information assembly, pest expelling and luring effects can be achieved in different time periods, pests are caught into a collecting barrel in cooperation with the spraying assembly, then the situation of pest reproduction is effectively avoided and reduced, the caught pests can be collected through the evaluation assembly, meanwhile, a moving device is linked, and the pest trapping effect is improved. The general variety and number of pests are recognized through the recognition head, meanwhile, the distribution conditions of the pests in different areas can be obtained in cooperation with the camera, so that hostile organisms are automatically discharged, biological targeted releasing and repelling are conducted, and the pest repelling precision is improved.

The invention discloses an ecological tree pool facilitating forest tree breeding, and relates to the field of forest tree breeding. The ecological tree pool facilitating forest tree breeding comprises an ecological tree pool body, a net plate fixedly connected to the bottom of the ecological tree pool body and a plurality of mounting holes formed in the surface of the net plate, movable sleeves are mounted on the hole walls of the mounting holes in a matched mode, and a plurality of fixed sleeves are fixedly connected to the surfaces of the movable sleeves; the movable sleeve is communicated with a plurality of fixed sleeves, a plurality of spray heads are fixedly connected to the surfaces of the fixed sleeves, convex blocks are fixedly connected to the hole walls of the mounting holes, spiral grooves are formed in the outer sides of the fixed sleeves, the convex blocks are in sliding connection with the spiral grooves, and first springs are arranged on the outer sides of the fixed sleeves in a sleeving mode; according to the method, water is supplied to the roots while soil in the ecological tree pool is loosened, so that root development is guaranteed, and the forest tree breeding effect is further guaranteed.

The invention provides a withered stump removing device for forest tree breeding and a using method thereof.The withered stump removing device comprises a supporting frame, moving wheels, a hydraulic rod, a lifting rod and a clamping mechanism, the symmetrical moving wheels are arranged at the bottom of the supporting frame, one end of the lifting rod is rotationally connected to the upper end of the supporting frame, and the other end of the lifting rod is connected with the clamping mechanism; the hydraulic rod is fixed in the supporting frame, and the movable end of the hydraulic rod is connected to the middle of the lifting rod through a hinge seat. The closed annular area formed by the first tooth clamp and the second tooth clamp is adjusted through the adjusting assembly so as to adapt to the size of a withered tree stump, compared with an existing pulling device, the size of the clamping mechanism can be conveniently adjusted, the clamp does not need to be repeatedly replaced, and the convenience and efficiency of tree stump pulling work are improved.

The invention relates to the technical field of forest tree breeding and cultivation, in particular to an integrated method for improved variety breeding, rapid propagation and container seedling cultivation of poplar pie suitable for semi-arid regions. The integration method comprises the following steps: hybridizing populus arabinosa or populus sinkiang as a female parent and populus tomentosa or populus arabinosa as a male parent, screening by using a molecular marker to obtain F1-generation plants with salt-tolerant and drought-resistant characteristics, and sequentially carrying out rapid propagation, container seedling cultivation and afforestation planting on the F1-generation plants. Compared with the prior art, the method can solve the problem of rooting of the poplar pie, the afforestation survival rate is remarkably increased, and the method has the advantages of shortening the breeding period and accurately improving the stress resistance.

The invention discloses a method for rapidly propagating populus lanceolata by using winter dormant coppice shoots, and belongs to the technical field of biological agriculture and related industries, forest tree breeding and seedling raising and seed and seedling cultivation. Comprising the following steps: (1) collecting annual coppice shoots of populus lanceolata and annual coppice shoots of populus taishanensis in a dormant state; (2) cutting the lower part of the dormant coppice shoot of the populus lanceolata to form an inclined surface, and splitting the upper part of the dormant coppice shoot of the populus tai from the middle; (3) inserting the cut dormant coppice shoot of the populus lanceolata into a split crack of the dormant coppice shoot of the populus lanceolata, and enabling phloems of the dormant coppice shoot of the populus lanceolata and the dormant coppice shoot of the populus lanceolata to be connected to obtain a populus lanceolata-populus (4) carrying out cleft grafting on coppice shoots of the populus lanceolata and the populus taishanensis and carrying out sand storage; and (5) taking out the sand-stored populus lanceolata-populus tai cleft grafting coppice shoots, and cutting the coppice shoots on outdoor open-air land. According to the method for rapidly propagating the populus sutchuenensis by using the winter dormant coppice shoots, the propagation speed of the populus sutchuenensis is increased, and the growth time of the populus sutchuenensis in the current year of propagation is prolonged.

The application relates to the technical field of irrigation devices, and discloses an irrigation device for forest tree breeding and a use method thereof, which comprises a total water delivery pipe, branch pipes fixedly connected to the total water delivery pipe, an adjusting part arranged on the branch pipes, a limiting part arranged on the adjusting part, a protection part arranged on the total water delivery pipe, an adjusting assembly arranged on the branch pipes, a reset assembly arranged on the adjusting assembly, and a sealing ring one fixedly connected to the inner wall of the branch pipes. The adjusting part is arranged, so that the problem that the existing forest tree breeding irrigation device is difficult to irrigate according to the water requirement of saplings in the using process, which leads to the root rot of part of saplings and affects the normal growth and development of the forest seedlings is solved.

The invention discloses a poplar transcription factor PagERF106, a coding gene and application of the poplar transcription factor PagERF106 to improvement of drought resistance of plants, and relates to the technical field of biology. The amino acid sequence of the poplar transcription factor PagERF106 is as shown in SEQ ID NO. 2. Researches find that the PagERF106 gene is overexpressed in a plant body, and the drought resistance of the plant can be remarkably improved. The overexpression of PagERF106 can significantly up-regulate the expression levels of drought stress related genes such as P5CS, DREB46, RD22, RD29 and the like, and further strengthen the drought resistance mechanism of plants. As a key transcription factor of poplar responding to drought stress, the gene provides important reference for analyzing a plant drought-resistant molecular mechanism, also provides an efficient and feasible way for creating novel plant drought-resistant germplasm resources through genetic engineering, and has important application value in forest breeding and ecological restoration in arid regions.

The invention discloses an efficient seeding device for forest tree breeding, and relates to the technical field of forest tree seeding, the efficient seeding device comprises a bottom plate, and further comprises a dual-purpose box, a storage cavity and a water storage cavity are formed in the dual-purpose box, a separation hopper is fixedly mounted at the bottom of the dual-purpose box, and a plurality of conveying pipes are fixedly communicated with the bottom of the separation hopper; a depth adjusting assembly is mounted on the bottom plate, the depth adjusting assembly is used for adjusting the seeding depth, the depth adjusting assembly comprises a connecting plate which is mounted on the bottom plate in a sliding manner, a plurality of seeding pipes are mounted on the connecting plate through a lifting mechanism, and each seeding pipe is matched with the corresponding conveying pipe. The sowing device has the advantages that the sowing of seeds at different depths can be completed according to different properties of soil, and the sown seeds are watered at corresponding displacement, so that the growth requirements of the seeds in different soil can be met, and the survival rate of the seeds is effectively improved.