132 results about "Lateral root" patented technology

The invention discloses a growth-promoting rhizosphere bacterium streptomyces cerevisiae QS9-7 and application thereof, and belongs to the technical field of microorganisms. According to the invention, a strain of Streptomyces setonii QS9-7 is obtained through separation, and the preservation number of the Streptomyces setonii QS9-7 is CGMCC (China General Microbiological Culture Collection Center) No.32329. Experiments show that the strain QS9-7 has a relatively strong inhibition effect on various plant pathogens, and shows excellent biocontrol bacterium potential. The strain can effectively improve radicle length, germ length, lateral root number and germination rate of plant seeds and plant height and stem diameter of plant seedlings, obviously promotes plant growth, and has high application value in green prevention and control of plant diseases.

The invention discloses a ZmLG3 gene and application thereof in regulation and control of nitrogen efficiency and lateral root number, and belongs to the field of plant biotechnology breeding. According to the corn ZmLG3 gene provided by the invention, after the endogenous gene generates function loss mutation in a plant or the expression of the ZmLG3 gene is inhibited, phenotypes with improved nitrogen utilization efficiency and / or increased lateral root number can be obtained, and the gene resource and the application method thereof have wide application prospects in the field of corn breeding.

The invention discloses application of a PdeTLP protein and a related biological material thereof in regulation and control of plant root system development. Experiments prove that compared with wild poplar, the number of adventitious roots, the number of adventitious root lateral roots, the root length and the root included angle of PdeTLP knockout poplar are obviously increased, and the plant height, the number of stem nodes and the stem diameter are also obviously increased. In addition, the xylem width, the phloem width and the xylem cell area of the poplar with the PdeTLP knocked out are obviously higher than those of the wild poplar. The PdeTLP gene participates in regulation and control of the root system number, the root system length, the root system included angle, the plant height, the stem node number, the stem diameter and the secondary microtubule tissue development of the poplar. The method not only has important significance on molecular mechanism and theoretical research of regulating and controlling the number and length of poplar root systems, plant height, number of stem nodes and stem diameter, but also has important guiding significance on directionally cultivating trees meeting actual production requirements.

This disclosure relates to methods of altering crown root architecture, lateral root formation, and / or stalk height in plants by reducing or eliminating expression of a PIN-likes 6 (PILS6) gene in a plant or a plant cell. Also disclosed are plant cells, plants comprising the plant cells, nucleic acid constructs, expression vectors, and breeding methods.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

This invention relates to a hydroponic root-inducing method for *Cinnamomum camphora*, characterized by the following steps: plant pretreatment; hormone-induced root treatment; perlite substrate for root induction transition; mist-controlled humidification environment for root induction; hydroponics; and disease prevention. The hydroponics includes: hydroponics in clean water until secondary lateral roots of a predetermined length are formed, followed by nutrient solution cultivation; the nutrient solution is supplied using a gradient approach. This invention's hydroponic root-inducing method employs a synergistic model of hormone-induced root induction, perlite fixation, and a high-humidity environment, significantly improving the success rate of root induction and avoiding the mortality problem caused by direct hydroponics. Through gradient acclimatization with nutrient solution concentrations, it significantly reduces the incidence of early root tip necrosis and root rot, improving survival rate and root vitality.

The invention discloses a fertilizer for promoting and improving the immunity of plants and a preparation method, and relates to the field of fertilizers. The preparation method comprises the following steps: mixing, smashing and grinding earthworms, eucalyptus leaves, wheat leaves and hawthorn leaves, putting into an ethanol solution, oscillating for 20-24 hours in a shaking table, and centrifugally filtering to obtain an active extracting solution; adding a sodium alginate solution into the suspended bacteria solution and the active extracting solution, and slowly adding carboxymethyl chitosan and a calcium chloride solution; and preparing. According to the invention, the plant growth-promoting rhizobacteria are fixed in the composite hydrogel, and the composite hydrogel can promote colonization of strains at plant root tips and lateral roots so as to regulate deposition of endothelial cell suberite, optimize mineral nutrition balance and abiotic stress response of plants and improve accumulation of auxin at the root tips; meanwhile, an active extracting solution is added into the composite hydrogel, immune response can be activated, and the metabolic activity and antioxidant activity of plants are greatly improved in combination with extracts of other substances.

The application provides a bamboo shoot seedling raising device and method, and relates to the technical field of bamboo shoot seedling raising, which comprises a supporting platform, the top end of the supporting platform is provided with a supporting frame, the top end of the supporting frame is provided with a connecting plate, and the periphery of the supporting frame is provided with a plurality of electric light curtains; a plurality of seedling raising baskets are detachably connected to the supporting platform; a plurality of lifting light supplementing mechanisms are arranged on the connecting plate, the lifting light supplementing mechanisms are connected with bamboo whip guiding mechanisms, and the bamboo whip guiding mechanisms are arranged correspondingly to the seedling raising baskets; and a spraying mechanism is arranged on the supporting platform. The seedling raising basket, low-nutrient light substrate and high-nutrient light substrate are used to avoid damage of the bamboo seedlings in the transportation process, and to improve the survival rate of transplanting. The top end advantage of the fast and robust growth of the whip tip is broken, the new bamboo whip is thickened in the high-nutrient light substrate, the number of lateral roots and the number of activated lateral buds are increased, and the quality of the nursery seedlings is ensured. The growth direction of the new bamboo whip is guided by the bamboo whip guiding mechanism, and the consistency of the nursery seedlings is improved.

The invention discloses an application of an OsCFIm68b gene in regulation and control of Cd resistance of rice and Cd accumulation of grains. The OsCFIm68b gene in rice is knocked out through gene editing to obtain a knockout mutant, and it is found that under the Cd polluted soil culture condition, the length of a main root is shortened, the number of lateral roots is reduced, the length of a total root is shortened, and the Cd concentration of grains is reduced to 1 / 3 of that of a wild type. Therefore, the OsCFIm68b gene is a negative regulatory factor for encoding Cd accumulation of the rice grains, the Cd accumulation of the rice grains can be improved by weakening the expression of the OsCFIm68b gene, the Cd resistance of the rice is improved, and a new gene target is provided for Cd low-accumulation breeding of the rice.

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.

This invention discloses a method for breeding salt-tolerant maize based on root function and artificial intelligence prediction, belonging to the field of crop breeding. It includes constructing a core germplasm resource bank, conducting high-throughput root phenotypic identification under 150mM NaCl stress, screening superior root systems based on quantitative thresholds such as a root-to-shoot ratio increase of more than 20% and lateral root density exceeding the mean by 1.5 times the standard deviation, performing dynamic multi-omics analysis at seven time points (0h, 3h, 6h) after stress to identify early response markers within 3-12h after stress, creating core parents by combining molecular markers and root traits, integrating seedling phenotypic, omics, and genotypic data, training an AI model with a prediction accuracy R² of no less than 0.65, and using the model to eliminate the last 50% of predicted potential materials in the early stages of breeding to guide parent selection. This invention achieves a paradigm shift from empirical screening to precise prediction, significantly improving breeding efficiency and directionality.

This utility model relates to the field of soybean planting technology, specifically disclosing a soybean planting box, including a base, a water collection tank fixedly connected to the upper end of the base, multiple planting box bodies arranged above the water collection tank, an adjustment mechanism arranged between the multiple planting box bodies, multiple evenly distributed conical protrusions arranged at the bottom of the inner wall of each of the multiple planting box bodies, and multiple drainage holes arranged alternately with the conical protrusions through the lower end of each of the multiple planting box bodies, and planting substrate filled in each of the multiple planting box bodies. By setting the conical protrusions at the bottom of the inner wall of the planting box body to form a three-dimensional slope, the main root of soybean is guided to grow down along the sloping surface of the protrusion, while the lateral roots extend laterally from the gaps between the cones, avoiding the root entanglement caused by the traditional flat bottom wall. The conical structure makes the bottom wall surface form a non-planar drainage channel, and excess water flows quickly to the surroundings along the sloping surface of the cone and is discharged from the drainage holes, preventing soybean roots from rotting due to waterlogging.

This invention discloses the application of the CLE11 small peptide gene in regulating plant salt tolerance, belonging to the field of biomaterials technology. This invention uses millet as the research material and clones... SiPROCLE11 Gene (CLE11 small peptide gene), construction SiPROCLE11 Overexpression and silencing of millet materials, exogenous application of the synthetic peptide SiCLE11p, and its role in enhancing millet salt tolerance were determined. Further investigation revealed that it can promote lateral root development and reduce Na+ in the roots. + This accumulation of knowledge laid the foundation for the discovery of salt-tolerant genes in millet and for salt-tolerant millet breeding.

The invention belongs to the technical field of plant tissue culture, and relates to a tissue culture and rapid propagation method for castanopsis sclerophylla. According to the method, castanopsis sclerophylla seeds are used as materials, and through sterilization method comparison, basic culture medium screening, hormone proportioning optimization and the like, an efficient tissue culture and rapid propagation technical system of castanopsis sclerophylla is established through seed sterile germination, bud proliferation, strong bud rooting and acclimatization and transplantation, and complete tissue culture progeny plants are formed. 100.0% of the seeds in the system germinate and sprout; the propagation coefficient of buds is large and reaches 6.8; the rooting rate reaches 92.8%, the root system is developed, the average is 4.1 roots per plant, the root length is 4.6 cm, and lateral roots are dense; the transplanting survival rate is high and can reach 95.2% or above; and the method is not limited by factors such as seasons, climate and regions, and can realize annual efficient and rapid propagation. According to the method, the blank of tissue culture and rapid propagation of the castanopsis sclerophylla is filled, a stable and efficient regeneration method for the in-vitro culture plant of the castanopsis sclerophylla is provided, large-scale seedling culture can be carried out, the cultured castanopsis sclerophylla seedlings are robust, neat and consistent, and a high-quality seedling guarantee is provided for improving the economic benefit of an artificial forest of the castanopsis sclerophylla.

The application discloses a kind of quick transplanting equipment and method suitable for angelica sinensis belonging to plant transplanting technical field.It includes: frame, the frame rotationally connected with mirror image arranged second rotating shaft, the second rotating shaft is fixedly connected with mirror image arranged sprocket, chain is wound between the sprocket in the same vertical plane, the chain is fixedly connected with interval arranged fixing part, the fixing part spline connection has first limiting part, the first limiting part is fixedly connected with air bag by first moving part, the frame is provided with first limiting slot, and the first limiting slot is used to limit the first limiting part.The limiting of first limiting slot to first limiting part makes adjacent first limiting part move oppositely, and the vertical clamping of angelica sinensis during transplanting is carried out using the morphological change of air bag, so as to reduce the degree of lateral root proliferation of angelica sinensis in subsequent growth process, and then improve the growth quality of angelica sinensis subsequently.

The invention provides a gene for regulating nitrogen absorption and root growth under salt stress and application of the gene. OsGSK1 gene is knocked out from rice to obtain OsGSK1 mutant rice; the nucleotide sequence of the OsGSK1 gene is as shown in SEQ ID NO: 1. According to the invention, the OsGSK1 gene in rice is knocked out to generate frame-shift mutation, and the OsGSK1 mutant rice is obtained. A mutant strain is compared with a wild strain, the lateral root density of the mutant in a high-salt environment is remarkably higher than Taizhong 65, and meanwhile, the total nitrogen content and the nitrogen absorption and utilization rate of the overground part of the mutant strain are also remarkably higher than Taizhong 65. The results show that the rice OsGSK1 gene has potential application value in improvement of nitrogen utilization under rice salt stress, and has important significance in stress-resistant breeding of rice and improvement of rice yield.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of an LsSLR1 gene or a related biological material containing the LsSLR1 gene in plant character improvement. The invention discloses a nucleotide sequence of an LsSLR1 gene as shown in SEQ ID NO.3. A recombinant expression vector pCAMBIA1300-GFP-LsSLR1 is constructed, the recombinant expression vector is introduced into a model plant arabidopsis thaliana, and a transgenic arabidopsis thaliana plant over-expressing the LsSLR1 is obtained. Experiments find that overexpression of the LsSLR1 gene can promote development of lateral roots of plants, dwarf the plants, shorten the growth cycle of the plants and improve stress resistance of the plants to salt stress, drought stress or abscisic acid stress, and genetic improvement can be performed on plant traits by using the LsSLR1 gene.

The invention discloses a slope surface protection supporting structure of a high and steep soil slope and a construction method of the slope surface protection supporting structure, and relates to the field of slope supporting. S2, a traditional slope supporting structure is constructed, and the stability is detected; s3, digging a planting pit and carrying out wall protection treatment; s4, a root system control cage body is installed and fixed; s5, seedlings are planted and cultivated in the root system control cage body, and lateral roots extend into the soft soil body area in a directional mode; s6, the plants and the root system control cage are removed, and root system holes are protected; s7, a grouting anchoring assembly is arranged; s8, performing pressure grouting construction; s9, maintaining the grouting body and detecting the stability of the side slope; and S10, the planting pits are sealed and filled, and slope ending is completed. The problems that according to a traditional grouting technology, grout is difficult to permeate into a soft area in a soil body, and gaps are prone to being generated on the combination face of the grout and the soil body are solved, the grouting body can deeply permeate and be tightly combined with the soil body, and the overall construction technology gives consideration to the short-term ecological soil fixation requirement and the long-term engineering stability requirement.

The invention discloses a plant root system lossless seedling raising supporting device and a seedling raising method, and belongs to the technical field of plant seedling raising and root system research. The invention aims to solve the problems of root hair tearing and lateral root damage during seedling transfer or root system observation due to dependence on a solid substrate in the existing seedling raising technology. The device comprises a supporting base of an annular opening and closing structure, first supporting columns and second supporting columns which are alternately and obliquely arranged are arranged on the lower side of the supporting base and form a necking structure, supporting filter paper is arranged in the necking structure, and drainage filter paper making contact with the supporting filter paper is detachably connected to the supporting base; the seedling raising method is completed through device assembly, nutrient solution supply, seed cultivation, lossless seedling taking and device reuse. Seeds are supported in an auxiliary mode through a small amount of ceramsite on the supporting filter paper, nutrients are conveyed through the drainage filter paper, seedlings are taken out in a lossless mode in cooperation with the open-close type supporting base, it is guaranteed that the root system structure is complete, and the device is simple in structure, convenient to assemble, reusable and suitable for large-scale root system research and crop breeding and seedling raising operation.

The application provides application of RanGAP in regulation of symbiotic nodulation. A novel functional gene RanGAP (including RanGAP1 or RanGAP2) is disclosed, which encodes RanGAP protein with important biological function, and the protein is involved in symbiotic nitrogen fixation process of leguminous plants and rhizobium, and the application has significant meaning in genetic improvement of plant traits and soil improvement. An isolated promoter from RanGAP genome (upstream) is also disclosed, which has the function of driving gene-specific expression; more particularly, the promoter drives specific expression of the gene in root vascular bundle, lateral root / nodule primordium.

The application relates to the technical field of plant genetic engineering, and discloses application of a soybean low-phosphorus-tolerant gene GmAP2 in improving the low-phosphorus-stress tolerance of plants. The application finds that, under low-phosphorus stress, the expression level of the GmAP2 gene in plants is significantly up-regulated. By heterologously overexpressing the GmAP2 gene in Arabidopsis, the stress suffered by plants under low-phosphorus conditions can be effectively relieved, and the fresh weight and lateral root length of the Arabidopsis can be significantly increased, so that the growth of the Arabidopsis plant is promoted. In addition, under low-phosphorus conditions, overexpression of the GmAP2 gene can improve the phosphorus deficiency symptoms of soybean, improve the absorption of phosphorus nutrients by plants, and promote the growth of the roots and leaves of the plants. Therefore, the GmAP2 gene plays a very important role in the response of plants to a phosphorus-starvation stress environment.

The invention belongs to the technical field of biological agriculture, and particularly discloses application of a small peptide GhDIRSp1 in enhancing drought resistance of plants in a seedling stage. According to the application of the small peptide GhDIRSp1 in enhancing the drought resistance of plants in the seedling stage, the amino acid sequence of the small peptide GhDIRSp1 is as shown in SEQ ID NO: 1. The invention discloses an application of a small peptide GhDIRSp1 in enhancing drought resistance of a plant in a seedling stage, the small peptide GhDIRSp1 is applied to a plant root system, elongation of a main root and development of a lateral root of the plant can be effectively promoted, and the drought resistance of the plant is effectively enhanced.

The invention belongs to the technical field of plant breeding, and particularly relates to application of a GhPEP72 gene in regulation and control of plant salt tolerance. The nucleotide sequence of the GhPEP72 gene provided by the invention is as shown in SEQ ID NO. 1, and the amino acid sequence of the protein expressed by the GhPEP72 gene is as shown in SEQ ID NO. 2. A research result proves that the growth inhibition of a GhPEP72 gene silencing plant under salt stress treatment is more obvious, the salt damage characteristic is more obvious, sodium ion accumulation in roots, stems and leaves is increased, the potassium ion content is reduced, the ratio of sodium ions to potassium ions in the leaves is increased, and the GhPEP72 gene silencing plant is more sensitive to salt stress; compared with wild arabidopsis thaliana under salt stress treatment, the overground part of a GhPEP72 gene overexpression transgenic homozygous plant grows more vigorously, the number of lateral roots of the underground part is larger, the lateral roots are longer, and the GhPEP72 gene has good stress resistance, so that the GhPEP72 gene plays a positive regulation role in regulating plant salt stress.

The invention discloses an application of a corn ZmMYB165 gene and an encoding protein thereof in enhancing low-phosphorus stress tolerance of corn. The polynucleotide sequence of the corn ZmMYB165 gene is as shown in SEQ ID No: 1. Under a normal phosphorus supply condition, the number of lateral roots of a ZmMYB165 overexpression material and the number of lateral roots of a wild type material have no significant difference; after low-phosphorus treatment, the number of lateral roots of a ZmMYB165 overexpression material and the number of lateral roots of a wild type material are both remarkably increased, the number of the lateral roots of the wild type material is increased by about 16.39%, and the number of the lateral roots of a ZmMYB165 overexpression strain is increased by about 32.55%. Under low phosphorus stress, the biomass of the wild type overground part is obviously reduced, and the overground part of the ZmMYB165 overexpression strain is increased, which indicates that the ZmMYB165 overexpression material has stronger tolerance to low phosphorus stress.

The invention relates to the technical field of planting machines, in particular to a stevia rebaudiana and peanut interplanting planting machine and a planting method.The stevia rebaudiana and peanut interplanting planting machine comprises an equipment body, a plurality of rotating cylinders are rotationally connected to the equipment body, a pretreatment box is fixedly connected to the equipment body, and a plurality of seedling conveying pipes corresponding to the rotating cylinders are fixedly connected to the interior of the pretreatment box; a plurality of multi-section telescopic rods are fixedly connected to the interior of the pretreatment box, pretreatment pipes are fixedly connected to the ends of the multi-section telescopic rods, soil removing mechanisms are arranged on the pretreatment pipes, in the stevia rebaudiana seedling root hair pruning link, aged lateral roots longer than 5 cm can be accurately cut off through a cutter, invalid nutrient consumption is reduced, and the yield of the stevia rebaudiana seedlings is increased. The nutrient solution sprayed immediately after pruning can quickly stimulate healing of root hair cuts, the germination rate of new roots is increased, meanwhile, microelements and stress-resistant components are supplemented for root systems, and the tolerance degree of seedlings to adverse environments such as drought and slight salt and alkali is remarkably improved.

This invention discloses a gene, PagSKP2a, related to poplar root growth and development. The coding region of this gene includes the sequence shown in SEQ ID NO.1. Overexpression of this gene significantly improves the rooting rate, taproot length, and lateral root number of poplar trees, which is of great significance for breeding poplar plants with easy rooting and well-developed root systems and for the innovation of poplar germplasm resources. This invention also discloses a breeding method for promoting poplar root growth and development and the application of the PagSKP2a gene in screening poplar varieties with easy rooting and well-developed root systems. It can be directly used for molecular-assisted breeding related to poplar root growth and development, effectively shortening the poplar breeding cycle.

This invention discloses a peony PsLBD12 Genes and their application in regulating root development PsLBD12 The nucleotide sequence of the gene is shown in SEQ ID NO.1, and the amino acid sequence of its expressed protein is shown in SEQ ID NO.2. This invention was cloned from the peony cultivar 'Zhengwu'. PsLBD12 The gene sequence was obtained and its expression was analyzed in peony. Subsequently, an overexpression vector was constructed and introduced into the target plant to verify its function. It was found that overexpression... PsLBD12 Compared with wild-type Arabidopsis seedlings, the Arabidopsis seedlings with this gene grew faster, exhibited earlier stem elongation, and showed earlier senescence of basal leaves in the later stages of growth. The taproot length was significantly shortened, the number of lateral roots was significantly increased, and the endogenous hormones IAA and ABA in the leaves were significantly increased. The average number of roots in detached leaves was significantly increased on MS medium containing IAA, and the average root length was significantly increased on MS medium containing IBA. It is evident that this gene will have wide applications in the cultivation and genetic improvement of peonies and other horticultural plants.

The invention discloses application of a CLE11 small peptide gene in regulation and control of plant salt tolerance, and belongs to the technical field of biological materials. According to the invention, foxtail millet is used as a research material, a SiPROCLE11 gene (CLE11 small peptide gene) is cloned, a SiPROCLE11 overexpression and silent foxtail millet material is constructed, an artificially synthesized small peptide SiCLE11p is externally applied, and the effect of the small peptide SiCLE11p on enhancing the salt tolerance of foxtail millet is determined. Furthermore, it is found that the Setaria italica can promote lateral root development of Setaria italica and reduce Na < + > accumulation in root systems, and a foundation is laid for digging of salt-tolerant related genes of Setaria italica and salt-tolerant breeding of

This invention discloses the Anti-WOX11 small peptide from Aquilaria sinensis and its application in promoting plant root regeneration. Through genetic transformation, this invention obtained transgenic Aquilaria sinensis and Arabidopsis thaliana containing the Anti-WOX11 fragment. Experiments demonstrated that Anti-WOX11 can promote the regeneration of plant cuttings and the development of lateral roots. This invention fills the research gap on the direct regulation of cutting regeneration by small peptides in Aquilaria sinensis, providing a feasible solution for improving the survival rate of Aquilaria sinensis after root pruning and transplanting. It has great research potential and broad application prospects, and can be applied to promoting agarwood formation and the production and preparation of agarwood-related products.

The present invention discloses a self-circulating strawberry seedling raising device, comprising a seedling support, a liquid supply mechanism, a seedling tray module and multiple groups of seedling cups. The seedling cup adopts an inverted cone structure, with a horizontal induction layer and a central axis electrode rod provided therein, and an ultrasonic atomization module provided at the bottom. The liquid supply mechanism continuously supplies liquid to the atomization module, and the atomization module atomizes the nutrient solution into micron-level fine mist, providing a high-oxygen and high-humidity environment for the strawberry root system. The central axis electrode rod and the induction electrode ring embedded in the wall of the seedling cup work together to apply an axial and horizontal composite electric field to form a local electric fog dual-field environment. This environment stimulates the proliferation of the root hairs of the strawberry seedlings, promotes the main root to grow straight downward and the lateral roots to expand evenly horizontally, realizes a three-dimensional layout of the root system, and prevents the root packing phenomenon. The present invention improves the root quality of the strawberry seedlings, shortens the seedling acclimatization period, and enhances the survival rate of transplanting. It has the advantages of high seedling raising efficiency, excellent root system structure, and significant industrial application value.