965 results about "Drought resistance" patented technology

The invention relates to the technical field of molecular marker development and molecular marker assisted breeding, and particularly discloses a KASP molecular marker closely linked with a wheat drought resistance related gene TaRPL36-8, a primer and application, the nucleotide sequence of the KASP molecular marker is shown as SEQ ID NO.1, and T / C polymorphism exists at the 201bp position of the sequence. By detecting the KASP molecular marker, the drought-resistant variety of wheat is identified, and technical support is provided for wheat breeding.

The invention discloses a gene PtoMYB20 for regulating and controlling salt tolerance and drought resistance of poplars. A nucleotide sequence of the gene comprises a sequence as shown in SEQ ID NO. 1. The gene interference fragment is introduced into a plant to obtain a silent transgenic plant, under the conditions of salt stress, drought stress and salt-drought composite stress, the H2O2 and MDA contents of the silent transgenic plant are lower than those of a wild plant, and the SOD and POD activities of the silent transgenic plant are higher than those of the wild plant, so that the damage degree of the plant is effectively reduced; the method is of great significance in improving salt tolerance and drought resistance of the poplar and relieving damage of adversity stress to forestry yield. The invention also discloses a breeding method of the transgenic poplar with strong salt tolerance and drought resistance, provides a new poplar germplasm which not only improves the stress resistance of the poplar but also does not influence the wood yield, and lays a theoretical and gene resource foundation for the stress-resistant molecular breeding of the poplar.

The invention discloses a winter wheat field soil fertility evaluation data processing method based on comprehensive weight calculation, and relates to the technical field of data processing, and the method comprises the steps: S1, collecting nutrient content and moisture retention data from field soil through a sensor network, performing grouping processing on the acquired nutrient content and moisture retention data by adopting decision node splitting and entropy calculation to obtain a soil fertility layering result; s2, according to a soil fertility layering result, acquiring root depth and leaf moisture content indexes of the winter wheat in different layers of soil from crop monitoring equipment, analyzing association strength of the root depth and leaf moisture content indexes and fertility layering by adopting leaf node classification and feature selection standards, and determining a fertility contribution coefficient; according to the winter wheat field soil fertility evaluation data processing method based on comprehensive weight calculation, efficient resource allocation and stable yield are realized, and the drought resistance and resource utilization efficiency of winter wheat in a drought environment are remarkably improved.

The invention relates to the technical field of mountain afforestation, provides an efficient nursery stock planting method suitable for mountain afforestation, and aims at solving the problems that in existing mountain afforestation, planting is not standard, the survival rate is low, the water and soil conservation capacity is weak, and the labor intensity is high. The forest space layout is optimized, and the water and soil conservation capability is enhanced; the mellow soil and immature soil layered stacking and backfilling technology is adopted, the natural structure of the soil is recovered, and the root zone microenvironment quality is improved; a fertilizer isolation layer is arranged and degradable container seedlings are implanted, so that the risk of root burning is avoided, the integrity of root systems is protected, and the survival rate of the seedlings is remarkably increased; by combining root fixing water slow irrigation, water retention covering and slope water collection and soil conservation structures, natural rainfall is effectively utilized, evaporation and runoff are reduced, and water saving and drought resisting are achieved; the whole process flow is standard, the replicability is high, and the dependence on artificial experience is reduced.

The invention provides bacillus subtilis KC-1 as well as a composition and application thereof, and belongs to the technical field of microorganisms. The preservation number of the bacillus subtilis KC-1 is CGMCC (China General Microbiological Culture Collection Center) No.35237. The bacillus subtilis KC-1 can secrete IAA, has nitrogen fixation capacity and can generate siderophores. The bacillus subtilis KC-1 and whey protein are used as a composition, and the bacillus subtilis KC-1 and the whey protein jointly act to prepare the seed treatment material, so that a synergistic effect can be achieved, and corn seed germination and seedling root development are remarkably promoted. Experiments show that compared with single use of the whey protein and the bacillus subtilis KC-1, the combined use of the whey protein and the bacillus subtilis KC-1 can significantly improve the seed germination rate, the length of buds on the overground part, the length of main roots on the underground part, the total root volume, the total root surface area, the total root length and the seedling auxin concentration, and also can significantly reduce the concentration of abscisic acid in seedlings, so that the survival rate of the seedlings is improved. The germination of seeds and the growth of seedlings under drought conditions are promoted, and the drought resistance of plants is improved.

The invention relates to the technical field of plant drought tolerance, in particular to a plant drought tolerance related protein FYVE4 and application of a coding gene thereof. By inhibiting expression or protein activity of the FYVE4 gene in the plant, the survival rate of the plant under drought stress is increased; according to the method, in genetic improvement of arabidopsis thaliana, after genetic transformation is conducted through an agrobacterium-mediated method or a gene gun method, the stomata closing response speed and chlorophyll accumulation amount of crops can be effectively increased, and therefore plants with stable genetic drought resistance characters are established; the technical scheme is particularly suitable for constructing a water-saving agricultural system, has very important significance for improving crops and cultivating drought-resistant crops, and is suitable for popularization and application.

The invention belongs to the field of plant genetic engineering, and discloses application of a PtNF-YB9 gene of trifoliate orange in drought-resistant genetic improvement of plants. The PtNF-YB9 gene is a transcription factor gene which is separated and cloned from Poncirus trifoliata, and the sequence of the PtNF-YB9 gene is as shown in SEQ ID NO. 1. The gene or the homologous gene thereof is knocked out or inhibited in a plant, the drought resistance of the plant is remarkably reduced, and the drought resistance of the plant is remarkably enhanced by overexpressing the gene or the homologous gene thereof. The development and utilization of the genetic resource are beneficial to reducing the agricultural production cost and realizing the green and environment-friendly agricultural goal.

The invention discloses application of an OsCPN10a gene in regulation and control of vigor, grain shape and drought tolerance of rice seeds, and belongs to the technical field of rice gene engineering. The invention particularly relates to the research of the OsCPN10a gene in the aspects of regulating and controlling the germination rate, the germination potential, the germination index, the grain length, the grain width, the thousand grain weight, the drought tolerance of the rice seeds and the like. Experimental results show that the grain shape of the OsCPN10a knockout mutant seed is obviously lengthened and widened, and the grain shape of the OsCPN10a overexpression seed is opposite; the yield of the Ocpn10a mutant is higher than that of a TNG67 plant; overexpression of the OsCPN10a has the potential of improving the drought resistance of the rice. The invention reveals that OsCPN10a affects genetic mechanisms such as rice seed vigor, grain length, grain width and storability, provides important gene resources and theoretical basis for genetic improvement of rice, and is beneficial to cultivation of a new rice variety with better grain shape and higher yield.

The invention discloses a rice drought resistance phenotype detection and genetic analysis method based on a phenotypic robot, which is characterized in that rice hyperspectral phenotypic character data is acquired based on the phenotypic robot, and the relative water content RWC of rice is predicted. Through high-frequency data acquisition, RWC (t) based on a time sequence is obtained, RWC (t) curve change characteristic indexes are calculated, the dynamic change process of a rice experiment material in the whole drought experiment period is quantified, the drought resistance index DTI of the rice experiment material is obtained, and the drought resistance of the rice variety is comprehensively evaluated. DTI as a user-defined phenotypic character can be used for whole genome association analysis (GWAS), and a key gene for controlling the drought resistance of rice is excavated. According to the invention, the problems of low efficiency and low flux of traditional rice phenotype detection are solved, phenotype-gene mining based on the mobile robot is realized, and a new way is expanded for improvement of rice genetic breeding.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker for identifying drought tolerance of wheat, haplotypes, primers and application. Belongs to the technical field of biological breeding. Research finds that three SNP loci exist on a wheat ARF20-B gene, a wheat drought-enduring haplotype ARF20-BHapI is developed based on the SNP loci, the first locus is located at the 3616bp position of the ARF20-B gene, and the A / G nucleotide polymorphism is A; the second site is located at the 5623bp position of the ARF20-B gene, and G is in the G / A nucleotide polymorphism; the third site is located at the 9795bp position of the ARF20-B gene, and G is in the G / A nucleotide polymorphism. The wheat carrying the ARF20-BHapI haplotype has the advantage that the drought tolerance of the wheat carrying the ARF20-BHapI haplotype is higher. The invention further provides a KASP primer group for detecting the ARF20-BHapI haplotype, and successful detection of the drought tolerance of the wheat is achieved.

The invention discloses a comprehensive evaluation method for drought resistance of corn varieties, which relates to the technical field of corn variety evaluation, and comprises the following steps: obtaining multi-temporal multi-band reflection spectrum data under the condition of continuous drought of corn, and performing structure coupling modeling on the spectrum data in combination with the structural characteristics of corn leaf epidermis wax, so as to obtain the drought resistance of the corn varieties; constructing a time sequence curve capable of representing the dynamic change of leaf wax distribution as a dynamic spectrum monitoring baseline; differential analysis between continuous time points is carried out based on the dynamic spectrum monitoring base line, spectrum abrupt change points caused by leaf wax migration are identified, and space consistency inspection is combined. According to the method, a dynamic spectrum monitoring baseline and an energy migration fingerprint are constructed, wax migration interference is accurately identified, a spectrum stability hypothesis is broken through, high precision, self-adaption and consistency of evapotranspiration rate inversion under a drought condition are realized through multi-level correction and a closed-loop updating strategy, and scientificity and comparability of drought resistance evaluation are improved.

The invention discloses application of a transcription factor BnaMYB52 in regulation and control of drought resistance of rape, and relates to the technical field of biology. The amino acid sequence of the transcription factor BnaMYB52 is as shown in any one of SEQ ID NO. 5 to 8. According to the invention, the negative regulation effect of the transcription factor BnaMYB52 in the drought resistance of the rape is disclosed for the first time, and a brand new molecular target and a genetic improvement strategy are provided for improving the drought resistance of the rape. Through in-depth study, it is found that knockout of the BnaMYB52 gene can significantly enhance the tolerance of rape plants to the drought environment. In addition, a new drought-resistant rape germplasm obtained after genetic modification of the gene shows excellent adaptive capacity in a drought stress environment. The technical breakthrough not only helps to solve practical problems faced by rape planting in arid regions, but also lays a solid theoretical foundation and technical support for cultivating high-yield and high-quality rape varieties adapting to extreme climate conditions.

The invention discloses application of GmFLZ protein or a coding gene thereof in drought tolerance of plants, in particular to application in drought tolerance of soybeans. The soybean GmFLZ protein or the coding gene thereof provided by the invention has a soybean drought-enduring function. According to the invention, the GmFLZ gene is introduced into soybean roots through an agrobacterium transformation method, so that a GmFLZ gene overexpressed soybean complex plant is obtained, and the drought tolerance of soybeans is remarkably improved.

The invention provides application of an OsRTD1 gene in improving drought resistance of rice, and belongs to the technical field of gene engineering and rice drought resistance. The nucleotide sequence of the OsRTD1 gene is as shown in SEQ ID NO: 1, and the amino acid sequence of the protein coded by the OsRTD1 gene is as shown in SEQ ID NO: 2. Compared with a wild plant, the survival rate of the OsRTD1 gene mutant plant osrtd1 under the drought stress of PEG induction and soil dehydration is remarkably improved, the survival rate of the OsRTD1 gene overexpression plant OsRTD1-OE under the drought stress is remarkably reduced, the relative water loss rate of dehydrated leaves is higher, and the survival rate of the OsRTD1 gene overexpression plant OsRTD1-OE under the drought stress is remarkably reduced. The total grain number, the solid grain number, the total grain weight and the like of the OsRTD1 gene mutant plant osrtd1 under the stress of field drought are obviously higher than those of a wild plant. The OsRTD1 gene is a potential candidate new target for regulating and controlling a rice drought resistance mechanism.

The invention discloses a corn drought resistance identification device and method, and belongs to the technical field of agricultural scientific research. According to the method, the problems of inaccurate environment control, long identification period, poor repeatability and the like of an existing method are solved, the drought resistance index of the corn is calculated through the random forest model, the drought resistance grade of the corn is divided, and the drought resistance index threshold value is set; the drought resistance indexes of the corn in different growth periods are analyzed, the drought resistance index threshold value is dynamically adjusted according to the corn growth data monitored in real time, and the drought resistance of the corn in different growth periods can be reflected more accurately; feature importance scores are calculated through a random forest model, feature variables are sorted, and it can be determined that certain features make the greatest contribution to the drought resistance index; based on feature importance analysis, suggestions on corn drought resistance research and breeding are provided, researchers can be helped to optimize breeding strategies, errors caused by subjective judgment are reduced, and the breeding efficiency of drought-resistant varieties is improved.

The invention discloses a method for inducing infiltration of root systems of sandy vegetation. The method comprises the steps of land selection and preparation, pit digging, vegetation selection, arrangement of a PVC pipe water applying system, vegetation planting and backfilling and layered water control operation. According to the method, PVC pipes with water seepage holes with different depths are arranged near the root system of vegetation, a self-descending and lifting piston structure of a water-absorbing expansion cylindrical block and a depth-keeping hook-hanging ring chain is adopted in the pipes for the first time, and the distance between the water seepage holes, the length of a rope section and the size of a hanging ring are accurately calculated, so that it is guaranteed that the distance between the water seepage holes and the rope section is accurately calculated at each stage; water can only seep from the water seepage holes with the specific target depth, the root system is guided to follow a water signal to be deeply pricked downwards continuously, a deep and developed root system is formed, accurate layered water control and root system directional induction are achieved, the drought resistance and wind falling resistance of vegetation are greatly enhanced, the water consumption is low, the vegetation survival rate is high, and the growth vigor is good; the depth-keeping water applying system serves as a multifunctional and permanent ecological restoration unit and further has the functions of soil ventilation, humidification and self-cleaning.

The invention discloses a SiERF109 gene for regulating drought resistance, salt tolerance and flavonoid accumulation of millet and application of the SiERF109 gene, and belongs to the technical field of plant breeding. According to the invention, a gene SiERF109 with a nucleotide sequence shown as SEQ ID NO.1 is separated and cloned from millet, and fluorescent quantitative expression analysis shows that SiERF109 participates in drought and salt stress response of millet. After the gene is over-expressed in foxtail millet, in drought and salt stress experiments, compared with a wild type strain, the survival rate and chlorophyll content of a strain over-expressed with the SiERF109 gene are remarkably increased, the flavonoid content is increased by 33.5%-39.5%, and active oxygen accumulation is remarkably reduced; it is shown that the SiERF109 gene and the protein coded by the SiERF109 gene can remarkably improve the drought resistance, the salt resistance and the flavonoid content of the plant.

The invention relates to the field of plant molecular biology and forest genetic engineering, and particularly provides a PagRAP2.3 protein point mutant and application thereof in drought resistance of poplar. The mutant PagRAP2.3 MA is obtained by mutating methionine at the first site and cysteine at the second site of a wild type PagRAP2.3 protein into methionine and alanine. The invention further discloses a preparation method of the mutant PagRAP2.3. An expression vector containing the PagRAP2.3 MA gene is constructed, poplar 84K is transformed through an agrobacterium-mediated method, and a transgenic line with stable expression is obtained. Functional verification results show that overexpression of PagRAP2.3 MA can significantly increase the plant height of the poplar and promote plant growth, but the sensitivity to moisture is enhanced under drought stress. The mutant can be used for regulating and controlling the growth and development of forest trees and evaluating the drought resistance, and has a forestry breeding application prospect.

The invention relates to the technical field of biological genetic engineering, in particular to application of a brassica napus BnaA01G0331000ZS gene in drought stress resistance. The BnaA01G0331000ZS gene is cloned by using cDNA of double 11 leaves as a template through a sequence published in a brassica napus genome database, an over-expression vector is constructed and genetically transformed into rape variety high oil for transgenic function verification, the drought resistance of the obtained over-expression transgenic line is obviously enhanced compared with that of a wild type, and the BnaA01G0331000ZS gene has the advantages that the BnaA01G0331000ZS gene is obtained; therefore, the gene can positively regulate the drought stress resistance of the rape. Therefore, the invention provides a new gene resource for adversity stress resistance of rape.

The invention discloses an application of a salvia miltiorrhiza SmNCED2 gene and an encoding protein thereof in drought resistance. The invention specifically discloses a protein with amino acid shown as SEQ ID No.1, a coding gene, a related biological material and application of the protein in regulation and control of drought resistance of salvia miltiorrhiza. The SmNCED2 gene from salvia miltiorrhiza is introduced into receptor salvia miltiorrhiza to obtain a transgenic salvia miltiorrhiza plant over-expressing the SmNCED2 gene, and drought tolerance agronomic trait identification and ABA index determination results show that compared with control salvia miltiorrhiza, the salvia miltiorrhiza plant over-expressing the SmNCED2 gene can significantly improve the drought resistance of salvia miltiorrhiza under the drought stress condition, so that the drought resistance of salvia miltiorrhiza is improved, and the drought resistance of salvia miltiorrhiza is improved. The SmNCED2 gene and the encoding protein thereof provided by the invention have important application value in regulating the drought resistance of salvia miltiorrhiza.

This invention discloses the TaJDR1 gene and its application in improving plant resistance to Fusarium head blight and drought. The nucleotide sequence of the TaJDR1 gene is shown in SEQ ID NO.1, and its encoded amino acid sequence is shown in SEQ ID NO.2. This invention is the first to clone the TaJDR1 gene from the local wheat variety Wangshuibai and achieve overexpression of this gene in wheat using gene gun-mediated genetic transformation technology. The results show that the transgenic wheat exhibits significantly improved resistance to Fusarium head blight and drought resistance. Since the TaJDR1 gene originates from wheat itself, overexpression does not affect food safety; therefore, this invention can be widely applied in the field of disease and drought resistance breeding for various plants.

A cultivation box for improving drought resistance of peanut seeds comprises a cultivation frame, a plurality of same cultivation chambers are arranged on the cultivation frame, cultivation boxes are detachably connected into the cultivation chambers, a bottom containing box is arranged at the bottom of the cultivation frame, and an electric control box, a soil preparation box and a water tank are arranged in the bottom containing box. According to the cultivation box capable of improving the drought resistance of the peanut seeds, the multiple independent cultivation boxes are arranged in an integrated mode, multiple sets of cultivation experiments can be conducted at a time, the equipment cost is low, the occupied area is small, the cultivation boxes and the cultivation chambers are independently arranged and do not interfere with each other, and the cultivation box is convenient to use. The growth environment of each group of peanut seed cultivation samples can be independently adjusted, a good contrast effect is achieved, good drought resistance of cultivated peanut seeds is achieved, soil used in a cultivation experiment can be subjected to unified treatment through the arrangement of the soil preparation box, the influence of external factors on the cultivation experiment is reduced, and the cultivation experiment efficiency is improved. And the cultivation accuracy is improved.

The invention relates to the technical field of fertilizer preparation, in particular to a farmland drought-resisting and water-retaining multifunctional green fertilizer and a preparation method thereof. The farmland drought-resisting and water-retaining multifunctional green fertilizer is prepared from the following components in parts by mass: 40-60 parts of mushroom dregs, 10-20 parts of konjac glucomannan residues, 3-5 parts of a water-retaining agent, 11-15 parts of an NPK compound fertilizer, 4-6 parts of trace elements, 0.4-0.6 part of a fermentation inoculant, 1-2 parts of wormcast, 1-2 parts of humic acid and 0.6-0.8 part of a seaweed extract. The prepared fertilizer can significantly improve the physical structure of soil, enhance the water retention capacity of the soil, promote the growth and development of crop roots, and further improve the drought resistance of crops. In addition, the application of the fertilizer is helpful for reducing the use amount of chemical fertilizers, so that the sustainable development of ecological agriculture is promoted.

The invention provides application of an OsERF8 gene in improving drought resistance of rice, and belongs to the technical field of gene engineering and rice drought resistance. The nucleotide sequence of the OsERF8 gene is as shown in SEQ ID NO: 1, and the amino acid sequence of the encoding protein of the OsERF8 gene is as shown in SEQ ID NO: 2. Compared with a wild plant, the survival rate of an oserf8 mutant plant under PEG induction and soil dehydration drought stress is remarkably improved; and the survival rate of the overexpressed plant OsERF8-OE under the induction of PEG (Polyethylene Glycol) is obviously reduced. Compared with a wild type plant, after PEG induces drought stress, the malondialdehyde content of the overground part of the oserf8 mutant plant is reduced, and the proline content is increased; the malondialdehyde content of the overground part of the overexpressed plant OsERF8-OE is increased, and the proline content is reduced. In conclusion, the OsERF8 gene is a potential candidate new target for researching a rice drought resistance regulation mechanism.

The invention belongs to the technical field of cultivation, and discloses a small flat film heat preservation cultivation method for amorphophallus bulbifer in cold and arid areas, and the small flat film is used for covering, so that the ground temperature can be increased, and early sowing and early harvesting of the amorphophallus bulbifer are promoted. The temperature in the mulching film is 7-9 DEG C higher than that in the open field, amorphophallus bulbifer can be sown 30 days earlier, and seedlings emerge 15 days earlier. In addition, the small flat film can reduce water evaporation, prevent rainstorm scouring and keep the soil water content stable, and drought resistance and waterlogging prevention are facilitated.

The invention discloses application and a method of wheat demethylase TaALKBH23 in regulation and control of drought stress resistance of plants, a coding sequence of the demethylase TaALKBH23 is shown as SEQ ID NO: 1, and an amino acid sequence coded by the demethylase TaALKBH23 is shown as SEQ ID NO: 2. The invention provides demethylase TaALKBH23 and a function and application of a coding gene of the demethylase TaALKBH23 in regulation and control of plant drought resistance, and it is found through construction of a TaALKBH23 wheat genetic transformation material that the gene negatively regulates and controls wheat drought resistance. It is found that TaALKBH23 plays an important role in the process of regulating and controlling drought stress resistance of plants, and a new gene resource is provided for improving drought resistance of crops.

The invention provides a sandy soil root domestication layered structure improvement method which comprises the steps that a surface guide layer, a channel induction layer and a deep resource layer are sequentially arranged on the earth surface from top to bottom, in-situ sandy soil is buried in the surface guide layer, a loose channel is constructed in the channel induction layer, and the loose channel is communicated with the deep resource layer; the deep resource layer comprises a water locking substance, a water retention substance, an adsorption substance and a supporting substance; when it is detected that the EC value of the joint of the surface guide layer and the channel induction layer is larger than the preset multiple of the EC value of the joint of the channel induction layer and the deep resource layer, a drip irrigation system is started to conduct drip irrigation on the surface guide layer according to the preset water pressure and water flow so as to guide nutrients in the surface guide layer to be collected towards the deep resource layer; according to the method, replacement of soil dressing is not needed, deep pricking and field planting of plant roots are guided through water and fertilizer stress and nutrition induction mechanisms, the drought resistance and stress resistance of plants are improved, the quality of crop products is optimized, a stable water and fertilizer environment is created for growth of plants in sandy soil, and the economical efficiency and effectiveness of the improvement technology are improved.

Disclosed are a protein TaNHX2 related to wheat drought stress, and a gene encoding same and the use thereof. The technical problem to be solved is how to improve the drought resistance of Angiospermae plants. Specifically, disclosed is the use of a protein as shown in sequence 2 or 4, a substance that up-regulates or enhances or improves the expression of the gene encoding the protein, or a substance that up-regulates or enhances or improves the activity or content of the protein, which use is characterized in that the use is any one of: A1) use in the improvement of the drought resistance of Angiospermae plants; and A2) use in the preparation of a product for improving the drought resistance of Angiospermae plants. Improving the expression of the protein in Angiospermae plants can improve the drought resistance of the plants. The present invention can be applied to agricultural production.

The invention provides a strain of Priestia megaterium M23 and application thereof, belongs to the technical field of agricultural microbial strains, and particularly provides a strain of Priestia megaterium M23 with the preservation number of CCTCC (China Center for Type Culture Collection) NO: M 20232384, and a strain of Priestia megaterium M23 with the preservation number of CCTCC NO: M 20232384 and a strain of Priestia megaterium M23 with the preservation number of CCTCC NO: M 20232384. The strain Pristia megaterium M23 provided by the invention has high salt tolerance and drought tolerance, has the function of promoting plant growth, improves the salt tolerance and drought tolerance of plants, can improve the soluble sugar content of the plants, increases the abundance of soil microorganisms, increases the urease activity of the soil, improves the quality of crop seeds and the like, and has important application value.

The invention discloses a PtoABF2.1 gene for improving drought resistance and salt resistance of poplar and application of the PtoABF2.1 gene, the nucleotide sequence of the gene is as shown in SEQ ID NO.1, a silent transgenic plant obtained by introducing an interference fragment of the PtoABF2.1 gene into the poplar has the growth vigor obviously superior to that of a wild type and an overexpression plant under the conditions of salt stress, drought stress and salt-drought composite stress, and the growth vigor of the silent transgenic plant is obviously higher than that of the wild type and the overexpression plant. According to the method, the MDA content and the H2O2 content are lower than those of wild plants, and the POD content and the SOD content are higher than those of the wild plants, so that the drought resistance and the salt resistance of the poplars are remarkably improved, technical support is provided for further cultivation of new poplar strains, meanwhile, the stability of wood production under the adverse situation is guaranteed, and the method has important significance for improving the ecological environment and maintaining biological diversity.