33 results about "Populus euphratica" patented technology

The invention discloses a desert riparian forest biomass estimation method and device, equipment and a medium, and relates to the technical field of biomass monitoring, and the method comprises the steps: firstly, researching tree wheel information at different trunk heights, and obtaining the annual variation of the annual biomass of trunks through the radial growth; based on the three-dimensional scanning information of the trunk, constructing a trunk hierarchical volume algorithm to calculate the volume of the trunk, and establishing a trunk volume model to calculate the biomass of the trunk; and finally, based on field investigation statistical analysis, analyzing a trunk and branch biomass distribution pattern. According to the process, trunk morphological characteristics and growth characteristics represented by tree wheel information and three-dimensional scanning information are introduced into estimation of the trunk volume, so that the problem of large trunk biomass estimation difficulty caused by large individual differences of populus euphratica and irregular tree distribution is solved, and the biomass estimation difficulty of the trunk biomass is improved by combining the trunk and branch biomass distribution rule of a riparian forest. The populus euphratica individual difference phenomenon is further considered, so that the statistical accuracy of the large-area populus euphratica biomass is integrally improved.

The invention discloses paenibacillus FHY1 and application thereof, and belongs to the field of microorganisms. A strain of paenibacillus FHY1 is screened from Xinjiang populus euphratica juice, and experimental verification shows that a liquid culture of the paenibacillus FHY1 strain provided by the invention has a remarkable inhibition effect on magnaporthe oryzae, the bacteriostasis rate can reach 84%, and the inhibition rate on magnaporthe oryzae spore germination is 92%. And the rice growth can be promoted under the conditions of 150mM NaCl and 250mM NaCl. Meanwhile, the strain also has a good inhibition effect on pyricularia grisea, fusarium oxysporum, fusarium graminearum, sclerotinia sclerotiorum and colletotrichum gloeosporioides. Therefore, the invention provides a new strain with a good control effect on pathogenic fungi, and meanwhile, the growth and development of rice are remarkably promoted in a salt stress environment.

The invention discloses a populus euphratica PeXTH7 gene and application of the populus euphratica PeXTH7 gene in improving drought resistance of plants, and belongs to the technical field of gene engineering. The CDS sequence of the populus euphratica PeXTH7 gene is disclosed for the first time and is as shown in SEQ ID NO.1, and the coded amino acid sequence is as shown in SEQ ID NO.2; the effect of the populus euphratica PeXTH7 gene in improving the drought resistance of the plant is disclosed for the first time, the root length and lateral root density of the plant are remarkably improved through overexpression of the populus euphratica PeXTH7 gene, and the drought resistance of the plant is improved by adjusting the root structure of the plant and promoting root development; the populus euphratica PeXTH7 gene provided by the invention can be used as a candidate gene for breeding the drought-resistant new variety of the plant, and is of great significance for cultivating the drought-resistant new variety of the plant by adopting a genetic engineering method, accelerating the breeding process and reducing the breeding workload.

The present application relates to the intelligent mining direction of remote sensing data, and particularly relates to a poplar single tree crown segmentation method, device and equipment based on aerial image. The method comprises the following steps: acquiring a first multi-spectral unmanned aerial vehicle aerial image, and preprocessing the first multi-spectral unmanned aerial vehicle aerial image; inputting the first multi-spectral unmanned aerial vehicle aerial image into a crown top identification model based on a D-LinkNet network to obtain a poplar crown top seed point graph; using a watershed segmentation algorithm based on label control, taking the poplar crown top seed point graph and a first band of the first multi-spectral unmanned aerial vehicle aerial image as inputs to perform calculation, and segmenting a poplar single tree crown based on the first multi-spectral unmanned aerial vehicle aerial image; wherein the first band is an infrared band or a red edge band.

The invention relates to a salt-tolerant protein derived from populus euphratica and application of the salt-tolerant protein. The amino acid sequence of the salt-tolerant protein is as shown in SEQ ID No. 4. The salt-tolerant protein gene is transferred into a poplar, and after the poplar expresses the protein, the poplar can show the salt-tolerant characteristic, so that the protein can be expressed in a plant, and the plant can obtain the salt-tolerant characteristic.

The utility model discloses a populus euphratica seedling temperature control cultivation device, which belongs to the field of populus euphratica seedling cultivation and comprises a cultivation box, air ports are arranged on the front side wall and the rear side wall of the cultivation box, and a box door is mounted on the side wall of the cultivation box through hinges. A heating plate and a temperature sensor are mounted on the right side wall of the inner cavity of the cultivation box; through a heating plate, a fan, a temperature sensor and the like, the temperature sensor is set to be the optimal growth temperature value of populus euphratica seeds or seedlings, when the air temperature in an incubator is lower than the set value of the temperature sensor, the heating plate is started to heat air to the set temperature value, and when the air temperature is higher than the set value of the temperature sensor, the fan is started to blow air into the incubator; heat transfer and dissipation in the cultivation box are accelerated, the temperature is reduced to a set value, the problems that the temperature in an existing populus euphratica seedling cultivation device cannot be stably controlled, and seed germination and seedling growth are not facilitated are solved, and therefore the growth speed of populus euphratica seedlings can be increased.

The invention discloses a biomass-based degradable afforestation water-retaining agent and a preparation method thereof, and belongs to the technical field of water-retaining agents. The raw materials of the composite microbial degradation agent comprise plant starch, alkali modified cellulose, a composite microbial degradation agent subjected to microcapsule embedding treatment, poly (N-isopropylacrylamide), a sodium polyacrylate-acrylamide copolymer, a salt-alkali buffer agent, MOFs-sodium alginate, a photosensitizer, a cross-linking agent and an initiator. The wall material of the microcapsule is sodium alginate-chitosan. The biomass-based degradable afforestation water-retaining agent provided by the invention is an innovative functional material developed for growth requirements of drought-enduring plants such as haloxylon ammodendron and populus euphratica aiming at extreme environments such as high temperature and drought, high salinity and alkalinity and strong wind and sand erosion in desert areas. According to the water-retaining agent, through multi-component collaborative design, the technical bottlenecks of traditional materials in the aspects of long-acting water retention, controllable degradation and the like are broken through.

The application discloses a method for assisting Populus euphratica seed germination and seedling growth in saline-alkali land, and the method is characterized in that a seedling making base is applied in a high-alkali environment to block the surface layer of saline-alkali, so that the Populus euphratica seed germinates and grows in the base, and a low-to-high saline-alkali gradient is formed from the center to the edge of the seedling making base, so that the early seedling of the Populus euphratica gradually adapts to the saline-alkali environment; when the root system of the seedling is completely developed and the seedling preliminarily has the stress resistance to the saline-alkali, the seedling penetrates the seedling making base to contact the saline-alkali soil in the natural environment, so that the transition of the life process of the Populus euphratica seed developing into a whole body is realized, the adverse effect of a large amount of saline-alkali left on the surface layer after the evaporation of the perennial large amount of river water irrigation on the germination of the Populus euphratica is avoided, and the survival rate of the seedling growth of the Populus euphratica seed is increased.

The invention discloses a populus euphratica cloned sub-plant water utilization strategy optimization method based on branch seepage rotation irrigation, and relates to the technical field of desert plant ecological restoration, the optimization method comprises the following specific steps: selecting a branch seepage rotation irrigation ecological restoration test area, dividing a root cutting area and digging a root cutting ditch, and adopting three irrigation modes for processing; determining a cloned child plant-mother plant pair as a research object in September after three years; synchronously collecting multiple types of samples, and sealing and storing at low temperature; treating the sample and measuring indexes; quantifying a water contribution proportion through a comparison method and a model, determining an optimal irrigation mode, and optimizing a water utilization strategy; by combining the multi-mode irrigation and isotope analysis technology, the water source of the populus euphratica cloned sub-plants is accurately analyzed, a traditional experience-driven mode is broken through, the water resource utilization efficiency is improved, meanwhile, the Bayesian model is utilized to quantify the water absorption difference of the cloned sub-plants of different tree ages, a theoretical basis is provided for formulating a differential irrigation scheme, and the method is suitable for popularization and application. And sustainable restoration of an ecological system is promoted.

The present application belongs to the technical field of agricultural compositions, and relates to an agricultural composition for preventing and treating populus euphratica wood lice. The present application provides an agricultural composition for preventing and treating populus euphratica wood lice, wherein the effective components are composed of fluopyram and echinacoside, and the mass ratio of fluopyram to echinacoside is 1:1-37.5. It is found through insecticidal effect verification that echinacoside has a synergistic effect on the chemical insecticidal component fluopyram, and the combination of the two can effectively reduce the effective component dosage of chemical pesticides, fully exert the efficacy of fluopyram, as much as possible reduce the probability of populus euphratica wood lice developing drug resistance, reduce environmental pollution, and improve the effect of fluopyram.

The present application relates to the technical field of poplar plant genetic engineering and stress resistance molecular breeding, and particularly relates to a Populus euphratica PeBCH1 gene, a recombinant vector and an application of a coded protein of the recombinant vector in salt tolerance of poplar, and the recombinant vector. The present application verifies that the Populus euphratica PeBCH1 gene participates in a response process of poplar to salt stress through a 84K poplar genetic transformation experiment, and has a role of regulating salt tolerance of poplar. Since the recombinant vector contains the Populus euphratica PeBCH1 gene, and the PeBCH1 protein is coded by the gene, therefore, the recombinant vector containing the Populus euphratica PeBCH1 gene and the coded PeBCH1 protein can be used to improve the salt tolerance of poplar. This lays a foundation for studying a response mechanism of poplar to salt stress, and provides a theoretical basis for cultivating a salt-tolerant poplar variety.

This invention discloses a strain of Bacillus subtilis FHY1 and its applications, belonging to the field of microbiology. The present invention obtained a strain of Bacillus subtilis FHY1 from the juice of Populus euphratica in Xinjiang. Experimental verification shows that the liquid culture of the Bacillus subtilis FHY1 strain provided by this invention has a significant inhibitory effect on rice blast fungus, with an inhibition rate of 84% and an inhibition rate of 92% on rice blast fungus spore germination. It can promote rice growth under conditions of 150mM NaCl and 250mM NaCl. Simultaneously, this strain also has good inhibitory effects on rice blast fungus, Fusarium oxysporum, Fusarium graminearum, Sclerotinia sclerotiorum, and Anthracnose fungus. Therefore, this invention provides a new strain with good control effect against pathogenic fungi, and significantly promotes rice growth and development under salt stress.

The application belongs to the technical field of plant genetic engineering, and particularly relates to a Populus euphratica PeAREB1 gene and application thereof in improving drought resistance of plants. The nucleic acid sequence of the Populus euphratica PeAREB1 gene is shown as SEQ ID NO. 1, and the amino acid sequence coded by the gene is shown as SEQ ID NO. 2. The gene is constructed into a plant expression vector, and is transformed into plants, so that the drought resistance of the plants can be improved, and the application prospect in breeding of plants with stress resistance is good.

The invention discloses a method for manufacturing a seedling-making base disc and a method for assisting populus euphratica seed seedling raising, the seedling-making base disc is applied to a high-alkali environment to block surface salt and alkali, so that populus euphratica seeds germinate and grow in the seedling-making base disc, and a low-to-high salt and alkali gradient is formed from the center to the edge of the seedling-making base disc, so that early-stage populus euphratica seedlings gradually adapt to the salt and alkali environment; after the root systems of the seedlings are developed completely and have stress resistance to salt and alkali preliminarily, the seedlings penetrate through the seedling-making basal disc to contact with saline-alkali soil in the natural environment, so that the transition of the life process that the populus euphratica seeds develop into complete individuals is realized, and the adverse effect of a large amount of salt and alkali left on the surface layer after a large amount of river water overflows and evaporates throughout the year on populus euphratica germination is avoided; the populus euphratica seed seedling survival rate is increased.

The invention provides populus diversifolia alkali soda water or flavored populus diversifolia alkali soda water as well as a preparation method and application thereof, and belongs to the technical field of populus diversifolia alkali processing. The populus diversifolia alkali extracting solution is used for preparing the soda water, and the populus diversifolia alkali stock solution contains a large number of mineral elements, is simple and easy to obtain and is an ideal raw material for preparing the soda water. After the populus diversifolia alkali stock solution is subjected to activated carbon decoloration treatment, the obtained populus diversifolia alkali extracting solution is high in decoloration efficiency, and the components contained in the decolorized populus diversifolia alkali stock solution can still meet the soda water preparation requirements. According to the populus diversifolia alkali soda water obtained by compounding the white granulated sugar, the acesulfame potassium, the citric acid, the nicotinamide and the populus diversifolia alkali extracting solution, the astringent taste of the populus diversifolia alkali extracting solution is improved, the sensory quality of the populus diversifolia alkali soda water is improved, the populus diversifolia alkali soda water and the flavor product thereof are good in stability and high in safety, and the raw materials are simple.

The invention discloses a method for regulating and controlling propagation of populus euphratica and stability of rhizosphere microorganisms through branched seepage rotation irrigation, and relates to the technical field of ecological restoration. According to the method, by differentiating branched seepage rotation irrigation modes, precisely matching habitat requirements of sexual and clone propagation populus euphratica seedlings, and adopting a long-interval and gradually-water-increasing irrigation mode for the clone propagation seedlings, the propagation of populus euphratica and the stability of rhizosphere microorganisms are regulated and controlled; according to the method, soil salt leaching and nitrogen and phosphorus accumulation can be promoted, functional florae such as rhizosphere actinomycetes and thick-wall bacteria are activated, complex organic matter is degraded by secreting extracellular enzyme, the phosphorus dissolving capacity is enhanced, the nutrient obtaining efficiency of seedlings in a medium-high-salt environment is improved, a short-interval and high-water-quantity mode is adopted for sexual propagation seedlings, a low-salt and high-humidity habitat is created, and the survival rate of the seedlings is increased. Growth-promoting florae such as pseudomonas are enriched, and by secreting growth hormones and antagonistic substances, the planting capacity of the seedlings in a humid environment is enhanced, so that directional regulation and control of the two breeding modes are realized.

The invention belongs to the technical field of forest tree genetic breeding, and particularly relates to application of ethylene glycol bis (2-aminoethyl ether) tetraacetic acid in populus euphratica distant hybridization breeding. The invention provides an application of ethylene glycol bis (2-aminoethyl ether) tetraacetic acid in cross breeding of populus euphratica and populus euphratica. The ethylene glycol bis (2-aminoethyl ether) tetraacetic acid is used for overcoming distant hybridization obstacles of populus euphratica. Compared with the application of exogenous plant growth regulators such as 1-naphthylacetic acid and gibberellin A3, the application method provided by the invention has the advantages that the pollination success rate can be obviously improved, distant hybridization obstacles are overcome, the operation is simple and convenient, and the application method is suitable for being popularized in forestry breeding.

The application discloses a method for supplementally planting Populus euphratica and its companion species by drip irrigation combined with underground water, and steps are as follows: S1, determining a supplementally planting plot and a water source, and carrying out land preparation; S2, calculating a required Populus euphratica number, and determining a companion species type, a planting mode and a required number; S3, reasonably arranging seedling raising according to a supplementally planting time; S4, carrying out supplementally planting seedling transplanting and seed direct sowing; and S5, reasonably carrying out seedling period management.The method provided by the application has multi-effectiveness, can significantly improve a Populus euphratica forest seed update survival rate, simultaneously fully utilizes topographic advantages and residual flood storage of a previous year, improves water utilization efficiency, and plays a good water-saving role; the method is good in economic practicability, is simple in technical operation and easy to master, is good in material economy and practicability, greatly reduces an ecological forest protection and repair input cost, and is suitable for wide range of popularization and application.

This invention relates to the field of plant care technology and provides a poplar seedling cultivation system, comprising: a soil analysis module for analyzing soil information per unit area and evaluating the soil score of each unit area; a seed screening module for initial screening of poplar seeds and evaluating the sowing score of each seed; a seedling cultivation module for allocating poplar seeds with each sowing score to a unit area corresponding to the soil score, and providing seedling temperature and humidity conditions based on the sowing score; and a maintenance module for acquiring the height information of the poplar seedlings in real time, determining the growth level based on the height information, and setting control parameters for irrigation and nutrient units for each unit area based on the growth level. This invention achieves precise planting and personalized maintenance of poplar seedlings, helping to improve the growth efficiency and quality of poplar seedlings.

The application discloses a Populus euphratica rust detection and prevention method, which comprises the following steps: preparing a Zanthoxylum bungeanum extract by taking Zanthoxylum bungeanum branches and leaves; preparing a Sophora flavescens extract by taking dried Sophora flavescens roots; mixing and compounding the Zanthoxylum bungeanum extract, the Sophora flavescens extract, 15% triazole ketone wettable powder, calcium lignosulfonate, chitosan and urea to obtain a Populus euphratica rust prevention agent; and spraying the prepared Populus euphratica rust prevention agent on Populus euphratica. The Fv / Fm value of the test leaf is determined by using a chlorophyll fluorometer, statistical analysis is performed on the obtained Fv / Fm value, and the Fv / Fm value range of the healthy leaf and the diseased leaf is obtained, which is used for determining the health condition of the Populus euphratica according to the Fv / Fm value. The application utilizes the chlorophyll fluorescence characteristics of the Populus euphratica leaf, and provides a simple and effective detection method, which provides a certain basis for controlling the spread of the rust. The application also provides a Populus euphratica rust prevention method, and the prepared Populus euphratica rust prevention agent has excellent prevention effect and can effectively control the occurrence or spread of the rust.

The invention discloses a method for detecting, preventing and treating rust disease of populus euphratica. The method comprises the following steps: preparing a Chinese prickly ash extract from Chinese prickly ash branches and Chinese prickly ash leaves; preparing radix sophorae flavescentis extract liquid from dry radix sophorae flavescentis roots; mixing and compounding the pepper extract liquid, the radix sophorae flavescentis extract liquid, 15% triadimefon wettable powder, calcium lignosulphonate, chitosan and urea to obtain the populus euphratica rust disease control agent. And spraying the populus euphratica with the prepared populus euphratica rust disease control agent. And measuring the Fv / Fm value of the leaf to be measured by using a chlorophyll luminoscope, carrying out statistical analysis on the obtained Fv / Fm value, and obtaining the Fv / Fm value range of the healthy leaf and the diseased leaf for subsequently judging the health condition of the populus euphratica according to the Fv / Fm value. The invention provides a simple and effective detection method by utilizing chlorophyll fluorescence characteristics of populus euphratica leaves, and provides a certain basis for controlling the spread of rust diseases; the invention further provides a control method for the rust disease of the populus euphratica, and the prepared control agent for the rust disease of the populus euphratica has an excellent control effect and can effectively control occurrence or spreading of the rust disease.

The invention discloses an ecological restoration method for improving quality and efficiency of a declined artificial haloxylon ammodendron forest, and belongs to the technical field of desert vegetation restoration. According to the method, a comprehensive decline index is calculated by measuring multiple indexes such as the ratio of dead and dead trees in the haloxylon ammodendron forest, the canopy coverage loss rate of the haloxylon ammodendron forest, the shoot withering rate of the haloxylon ammodendron forest, the total vegetation coverage of the haloxylon ammodendron forest and the root exposure rate of the haloxylon ammodendron forest, and the haloxylon ammodendron forest is accurately divided into four grades of non-degradation, mild decline, moderate decline and severe decline. Then differentiated restoration is carried out according to different decline grades, wherein redundant branches are mainly pruned in light decline forests; thinning two-stage branches and cleaning secondary dead branches in the moderately declined forest; in the severe decline forest, stumping is carried out on the trunk withered plants. And the branches obtained by pruning or stumping are laid on the spot to form a sand barrier, so that resource recycling is realized. The problems that in the prior art, degradation grade division is fuzzy, repairing measures are homogenized, the cost for supplementing other sand barrier materials is high, and the environmental hidden danger is large are solved, precise diagnosis and targeted repairing of the declined haloxylon ammodendron forest are achieved, and the ecological function and stability of the forest stand are effectively improved.

The invention provides a method for separating extracellular vesicles from populus euphratica alkali and application of the extracellular vesicles to nerve cell injury, and the separation method comprises the following steps: crushing populus euphratica alkali into powder, adding into a balanced salt solution, placing in a shaking table, and oscillating overnight; carrying out rough filtration, centrifugation and fine filtration on the obtained solution to remove large-particle impurities in the solution; and separating the extracellular vesicles from the obtained filtrate in an ultracentrifugation manner. According to the invention, the extracellular vesicles are separated from the populus diversifolia alkali, and the separated extracellular vesicles of the populus diversifolia alkali can inhibit hydrogen peroxide induced SHSY5Y nerve cell apoptosis after being swallowed by cells, so that the effect of inhibiting generation of active oxygen in the cells is very remarkable; the protection effect can realize prevention and treatment of the populus euphratica alkali extracellular vesicles on neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease and the like, and can promote rapid development of research and development of drugs for preventing and treating neurodegenerative diseases.

The application belongs to the technical field of irrigation and relates to a Populus euphratica forest area division and rotation irrigation method, comprising the following steps: division into a first flooding irrigation area, a second flooding irrigation area and a third flooding irrigation area; comparison of the water inflow frequency value with a preset water inflow frequency interval; determination of the number of flooding irrigation times and the number of flooding irrigation days in the current year; and drainage irrigation. The application can dynamically select different flooding irrigation areas for irrigation according to the water inflow frequency value corresponding to the real-time flow of the main river channel, so that the first flooding irrigation area, the second flooding irrigation area and the far river area can obtain irrigation opportunities under different water inflow conditions, the far river area can be prevented from continuously degrading due to insufficient water distribution, the ecological water resources can be evenly distributed among different areas away from the river channel, the number of irrigation times and the number of irrigation days of each flooding irrigation area can be accurately determined in combination with the underground water depth data, and the overall restoration scale and ecological restoration effect of the Populus euphratica forest are improved.

The invention discloses a PeHB7 gene related to salt tolerance of poplar, a protein, a recombinant vector, a host cell and application, and relates to the technical field of plant molecular biology. The nucleotide sequence of the PeHB7 gene is as shown in SEQ ID NO. 1. The HD-Zip I subfamily gene PeHB7 gene related to salt tolerance is cloned from populus euphratica for the first time, the nucleotide sequence, the coded protein structure and the salt tolerance function of the gene PeHB7 gene are defined, poplar HD-Zip gene family research resources are enriched, and a key candidate gene is provided for analyzing a poplar salt tolerance molecular mechanism. The salt tolerance of the obtained transgenic plant can be remarkably improved under the high-salt condition through the ways of maintaining cell membrane integrity, reducing MDA and ROS accumulation, maintaining photosynthetic function stability and the like, and the growth state of the transgenic plant is far superior to that of a wild type. The PeHB7 gene and the related technology provided by the invention are simple and convenient to operate and high in efficiency, can be directly applied to salt-tolerant molecular breeding of the poplar and cultivation of a new salt-tolerant poplar variety, provide excellent germplasm for afforestation of the poplar in saline-alkali soil, and have theoretical significance and practical value.

The invention belongs to the technical field of agricultural compositions, and relates to an agricultural composition for preventing and treating populus euphratica. The invention provides an agricultural composition for preventing and treating populus euphratica, the effective components of the agricultural composition comprise flupyradifurone and echinacoside, and the mass ratio of flupyradifurone to echinacoside is 1: (1-37.5). Insecticidal effect verification finds that echinacoside has a synergistic effect on the chemical insecticidal component flupyradifurone, and the echinacoside and the flupyradifurone are combined, so that the dosage of effective components of chemical pesticides can be effectively reduced, the pesticide effect of the flupyradifurone can be fully exerted, the probability of drug resistance of the populus euphratica can be reduced as much as possible, the environmental pollution is reduced, and the effect of the flupyradifurone is improved.

The invention belongs to the technical field of transgenosis, and particularly relates to an agrobacterium tumefaciens-mediated populus euphratica callus genetic transformation system which comprises the following steps: step 1, activating strains; step 2, preparing an infection solution; step 3, generation of calluses; step 4, infection and co-culture; step 5, removing bacteria; step 6, screening and culturing; step 7, detecting positive seedlings by a PCR (Polymerase Chain Reaction) method; step 8, detecting a positive seedling by a Ruby method; and step 9, regeneration and transplanting are carried out, and the strain activation is to take an agrobacterium liquid containing a binary plant expression vector pCX-GUS-PeuCIPK1 preserved at-80 DEG C, place the agrobacterium liquid on ice and melt the agrobacterium liquid in a super clean bench. According to the method, the populus euphratica callus is used as a gene receptor material for agrobacterium tumefaciens mediation, so that a transgenic plant is obtained, the operation is simple, and a powerful technical support is constructed for applying a modern biotechnology to populus euphratica transgenic research.

The invention provides a method for preparing populus euphratica water by taking populus euphratica alkali as a raw material and application of the populus euphratica water, and belongs to the technical field of soda water beverages. The populus euphratica alkali powder, CO2 and water are used as raw materials, and the populus euphratica water is prepared through a normal pressure method or a medium pressure method. The normal pressure method comprises the following steps: enabling populus diversifolia alkali powder, CO2 and water to react through a two-section fixed bed device to obtain reduced powder, adding water into the reduced powder, dissolving, and removing insoluble substances to obtain populus diversifolia water; the medium pressure method comprises the following steps: placing populus diversifolia alkali powder, water and CO2 in a reaction kettle for reaction, diluting, and removing insoluble substances to obtain populus diversifolia water. According to the method, the component of the populus diversifolia alkali can be reduced into the component of the populus diversifolia water and is close to the component of the natural populus diversifolia water. The invention further provides the populus euphratica soda water prepared from the populus euphratica water, and a new thought is provided for the field of soda water preparation.

The invention belongs to the technical field of planting, and discloses a populus euphratica forest fragmentation plaque root tiller seedling updating method, which comprises the following steps: determining the characteristics and spatial distribution of populus euphratica root tiller seedling roots; distribution characteristics of propagation roots of broken plaques in the populus euphratica forest; the relationship between the stock forest growth characteristics and propagation root distribution characteristics; nutrient substance characteristics of populus euphratica root tiller seedlings; and researching key environmental factors of populus euphratica root tiller updating. According to the method, the concept of crushing plaques in the populus euphratica forest is put forward for the first time, and the crushing plaques in the populus euphratica forest are independent crushed plaques formed by artificially reclaiming the populus euphratica forest into cultivated lands with different sizes and embedding the cultivated lands in the populus euphratica forest after artificial discarding.

The invention discloses an efficient tissue culture and regeneration system for populus euphratica. The efficient tissue culture and regeneration system comprises the following steps: step 1, selecting and disinfecting an explant; step 2, generation of calluses; 3, carrying out differentiation culture and bud generation; step 4, culturing strong buds; step 5, rooting culture; and step 6, transplanting of populus euphratica seedlings: selecting and disinfecting explants, namely selecting annual branches growing in the field in spring, cleaning dust on the surfaces of the branches, inserting the branches into water in bundles, standing indoors for two days, selecting tender complete wicker-shaped leaves at the front ends of the annual branches, disinfecting the tender complete wicker-shaped leaves with a 7.5% sodium hypochlorite solution for 5 minutes, and cleaning the tender complete wicker-shaped leaves with sterile water twice for 5 minutes each time. According to the method, regenerated plants obtained by tissue culture and rapid propagation of leaves are extremely high in regeneration efficiency, high in propagation coefficient, high in propagation speed and good in rooting effect, and the yellowing condition of populus euphratica is effectively reduced.