120 results about "Taproot" patented technology

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 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.

The invention belongs to the technical field of plant genetic engineering and disease-resistant breeding, and particularly relates to a construction method of soybean GmLNK2 gene four mutants and application of the soybean GmLNK2 gene four mutants in soybean disease-resistant breeding, by means of a CRISPR / Cas9 technology, wild soybean WS82 is used as a material, three target spots are designed for GmLNK2a, GmLNK2b, GmLNK2c and GmLNK2d genes of a GmLNK2 gene family, and simultaneous knockout is performed to obtain a mutant plant. Compared with a wild type WS82, the plant height of a mutant plant is obviously reduced, the length of a main root is obviously shortened, and the leaf area of three-out compound leaves is obviously reduced, which indicates that the mutant plant is more sensitive to pathogenic bacteria in a root rot disease nursery, the susceptibility degree is more serious, and growth and development are obviously inhibited, the key effect of the GmLNK2 gene family in soybean root rot resistance is clarified, and the application of the GmLNK2 gene family in soybean root rot resistance is developed. Important gene resources and technical support are provided for soybean disease-resistant molecular mechanism research and disease-resistant variety cultivation.

The present invention relates to the technical field of planting flower pots, and discloses a bougainvillea root lifting and shaping device and a use method. The structure of the bougainvillea root lifting and shaping device includes a flower pot, a bottomless pot, and a bracket. The present invention adds a bottomless pot to the bougainvillea planting flower pot, and is assembled with a plurality of spliced ​​expansion rings with the help of the bottomless pot. The number of expansion rings can be superimposed according to the required root lifting height of the bougainvillea root system, so that the roots of different heights can be lifted, thereby increasing the variability and adaptability of the root lifting and shaping. In addition, a constraint frame is added to the flower pot, and the constraint frame is placed in the area of ​​the center of the flower pot where the root system needs to be restricted from growing downward. The holes therein can allow the capillary roots of the bougainvillea root system to pass through and absorb nutrients and moisture from the soil inside the flower pot. However, the constraint frame can physically block the main root from deeply rooting outward, forcing the root system to develop towards a preset lifting area, reducing ineffective root growth from the root source, concentrating energy on the shaping part, and improving the efficiency of the root lifting and shaping.

The invention relates to the technical field of fruit tree cultivation, and discloses an apple deep-rooted cultivation method suitable for M9T337 rootstock, the apple deep-rooted cultivation method comprises the steps of nursery stock pretreatment, ditching and field planting, staged soil covering and chemical control management, rootstock cortex rooting is induced by combining layer-by-layer soil covering and chemical control measures, and the problems of shallow root system and poor stress resistance of the M9T337 rootstock are solved. According to the method, a complete technical chain of pretreatment, field planting, root inducing, regulation and maintenance is constructed, a continuous deep root induction environment is created through staged soil covering, and a deep root cultivation mode from passive adaptation to active induction is realized by matching with pretreatment of a composite agent to induce rooting and chemical control management to coordinate nutrient distribution. Practice shows that after M9T337 rootstock apple seedlings cultivated through the method are planted for one year, the proportion of deep root systems below 30 cm is increased to 45-50% from 15-20% of traditional cultivation, the length of main roots can reach 50-60 cm, root system distribution is more reasonable, and the deep water and fertilizer absorption capacity is remarkably 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 belongs to the technical field of microorganism application, and particularly relates to application of Isaria endula 2018BY-1 in production of indoleacetic acid and promotion of plant growth, the amount of indoleacetic acid secreted in a liquid LB culture medium containing L-tryptophan is 226.25 + / -25.98 mu g / mL, and the Isaria endula 2018BY-1 can effectively increase the content of indoleacetic acid in a plant environment to promote plant growth. Specifically, main root cells are induced to divide, propagate and extend, and the height of plants is increased, so that the leaf area of the plants is increased, the crop quality is improved, and the yield is increased.

The invention discloses a container seedling raising method using chaff to assist in root cutting, and belongs to the technical field of container seedling raising. Aiming at the technical pain points that root systems easily break through containers, seedlings are difficult to take and the survival rate is low in existing container seedling raising, the method comprises the steps of laying part of chaff in a nursery, adding the chaff into cup filling soil, guiding the root systems to extend in multiple directions by utilizing the chaff after the containers are placed, filling gaps among cups with the chaff and the like, so that the growth of the root systems is physically regulated and controlled. According to the method, more fibrous roots and less main roots can be generated on seedling roots, so that the seedling taking efficiency is remarkably improved (the seedling taking time is shortened by about 30%, and the seedling taking cost is reduced by about 30%), the seedling survival rate is improved (improved by 3%), and the transportation cost is reduced (reduced by about 15%). Although the seedling raising cost is increased by 3-5%, comprehensive benefits are remarkable, good social benefits and economic benefits are achieved, and the method is suitable for large-scale container seedling raising production of various seedlings such as cedarwood and slash pines; the method has particularly obvious social benefits and economic benefits for culturing cup seedlings of tree species with obvious main roots, such as cyclobalanopsis rubra, cyclobalanopsis glauca, liquidambar formosana hance, phoebe zhennan and the like.

The application belongs to the technical field of biological breeding, and particularly relates to application of D-ribose in improving plant salt stress resistance. The application provides application of D-ribose in improving plant salt stress resistance. As an important plant metabolite, D-ribose plays a key role in the growth and development stage of plants. Under salt stress conditions, application of D-ribose can not only promote the growth of plant taproot, plant height and leaf, reduce the inhibitory effect of salt stress on crop growth, but also has a protective effect on flowering and seed production of later plants. The application method is simple, and the use effect is remarkable.

The application relates to the technical field of forestry seedling raising and ecological restoration, and discloses a root guiding type full-biodegradable tree planting bag based on hybrid material modification and application, the tree planting bag is an integrally injection molded structure, the inner wall is provided with vertical root guiding edges, and the bottom is provided with a cross-shaped easy-to-crack line; the tree planting bag is longitudinally divided into an upper structure area and a lower degradation promoting area. The upper part is composed of PBAT / PLA and hybrid materials and has high strength and weather resistance; the lower part is composed of PBAT / PPC, hybrid materials and plant fibers and has moisture absorption and rapid degradation characteristics. The hybrid material is a composite in which nano-hydroxyapatite grows in situ on the surface of attapulgite. Through the synergy of the longitudinal gradient material and the physical root guiding structure, long-term shape retention during seedling raising and rapid disintegration of the bottom after planting are realized, the problems of seedling taproot and degradation lag are solved, the degradation products can adjust the pH value of the rhizosphere soil and provide phosphorus and calcium nutrition, and the afforestation survival rate is improved.

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 Chinese kale BoaFLZ35 The application of genes in promoting vegetative growth of plants. This invention utilizes a gene-based approach to construct a *Gynostemma pentaphyllum* plant. BoaFLZ35 Heterologous overexpression of the gene in Arabidopsis thaliana was used to observe and analyze its effects on vegetative growth traits such as root elongation and rosette leaf morphology in transgenic plants. The results showed that heterologous overexpression... BoaFLZ35 This gene can significantly increase root cell length, thereby promoting the elongation of the Arabidopsis taproot; simultaneously, it can also increase leaf cell volume, resulting in significantly larger rosette leaves in transgenic plants. Therefore, it is evident that... BoaFLZ35 This is an important gene in the FLZ family of plants that positively regulates vegetative growth. This invention provides new insights into the function of FLZ family genes in the genus Brassica and also provides important candidate genes for high-yield molecular breeding of Brassica vegetables such as Chinese kale.

The invention discloses a management method for large-scale removal of spartina alterniflora, and relates to the technical field of ecological environment management, and the method comprises the following steps: S1, growth surveying and mapping: surveying the distribution density and plant height of spartina alterniflora in a to-be-managed area through an unmanned aerial vehicle remote sensing technology; the method comprises the following steps: S1, cutting spartina alterniflora with water before a flowering period in June to August, S3, directional ploughing: performing first ploughing along a direction perpendicular to a tidal creek by using a hydraulically-driven V-shaped deep ploughing plough, S4, insolating and dehydrating: keeping an exposed state of the ground surface after ploughing, and continuously insolating for 10 days by using natural light, S5, removing residues, S6, deeply burying in a layered manner, S7, performing biological inhibition, and S8, performing ecological restoration. Through the steps S1 and S3, accurate cutting and thorough crushing of main roots and transverse rhizomes of spartina alterniflora are achieved, the root cutting efficiency and range are greatly improved, and a foundation is laid for subsequent removal; through the steps S2 and S5, a full-dimension clearing system is formed, and the regeneration risk is remarkably reduced.

This invention discloses a deep-sea Bacillus strain and its applications, belonging to the field of agricultural microbiology and biocontrol technology. This invention screened and identified a deep-sea Bacillus strain NT-3-7. Experimental verification showed that the deep-sea Bacillus strain NT-3-7 provided by this invention is tolerant of saline-alkali environments (it can grow in 15% NaCl and pH 9.0 environments) and possesses good nitrogen-fixing, phosphorus-solubilizing, and potassium-solubilizing abilities; it has excellent growth-promoting effects on plants, increasing plant height, taproot length, root dry weight, and stem and leaf weight of chili pepper plants. Using the deep-sea Bacillus strain NT-3-7 provided by this invention to prepare products that promote plant growth can help promote sustainable agricultural development while significantly reducing environmental pollution, showing promising application prospects.

This utility model discloses a layered mesh integrated cultivation pot, relating to the field of cultivation pot technology. This layered mesh integrated cultivation pot includes a substrate pot, a lower trapezoidal sand storage pot, and an integrated structure. The lower trapezoidal sand storage pot is fixedly connected to the bottom of the substrate pot, with a ratio of 1:2 between the substrate pot and the lower trapezoidal sand storage pot. The integrated structure includes a mesh, a bottom plate, a feeding port, a rectangular support plate, a cultivation frame, and a spacing plate. The cultivation frame is mounted on the substrate pot, and the bottom of the cultivation frame is integrally formed with a spacing plate. Multiple sets of horizontal holes are provided on the spacing plate to facilitate the growth of seedling roots. Compared with traditional root-promoting cultivation methods, this utility model rationally separates the upper and lower layers. The substrate pot has ideal bulk density and good physicochemical properties, which is beneficial for fixing seedlings or miniature potted plants to maintain upright growth, ensuring normal root development, and achieving simultaneous root strengthening, root promotion, and root nourishment, reducing manpower, material resources, and financial resources during the root promotion period.

The invention discloses an intelligent control method and system for water and fertilizer of under-forest crops based on Internet of Things sensing, and relates to the field of agricultural intelligent equipment. The system comprises a sensing layer, a transmission layer, a data processing layer, an execution layer and an interaction layer, the sensing layer collects soil nutrients, humidity and environmental parameters by deploying multi-parameter sensing nodes (avoiding a tree main root area) in a matrix manner, and transmits the soil nutrients, humidity and environmental parameters to a cloud platform through dual-mode communication; the data processing layer calls a water and fertilizer regulation and control model fusing an expert rule base and an improved BP neural network, and generates a regulation and control scheme in combination with a crop growth stage; the execution layer achieves accurate application through zoned drip irrigation and flow feedback, and closed-loop adjustment is formed. The system solves the problems of monitoring distortion, extensive decision, unstable communication and the like in the prior art, realizes intelligent and accurate regulation and control of water and fertilizer of understory crops, improves the utilization efficiency of water and fertilizer, and adapts to a complex understory environment.

The invention provides a nutrient solution for domestication culture of rubber tree tissue culture seedlings and a water culture domestication seedling raising method, and belongs to the technical field of plant seedling breeding. The invention provides a nutrient solution and a water culture domestication seedling raising method. The nutrient solution can provide sufficient nitrogen, phosphorus and potassium for the tissue culture seedlings of the rubber trees, the plant height, stem diameter, small leaf number and quality of the tissue culture seedlings subjected to domestication seedling culture are improved, and the effects of improving the quality of the tissue culture seedlings and shortening the seedling culture period are achieved. According to the water culture domestication seedling raising method, water or a nutrient solution is adopted as a tissue culture seedling domestication seedling raising substrate, a conical root control device is used for controlling the main root length of a plant, rubber tree tissue culture seedling domestication seedling raising operation is simplified, the main root length of domestication seedlings is controllable, and the domestication seedling raising period is shortened; the low-temperature and high-temperature tolerance capability in the domestication process of the tissue culture seedlings is improved, the survival rate of domesticated seedling culture of the tissue culture seedlings of the rubber trees is favorably improved, and the purposes of reducing cost and improving efficiency are achieved.

This application discloses an ecological slope protection fiber blanket that combines root-based biomimetic anchoring with microbial grouting, relating to the field of slope ecological restoration technology. It includes: a stress-resistant seed water-retaining layer, a microbial microcapsule slow-release layer, and a biomimetic fiber mesh layer. The stress-resistant seed water-retaining layer comprises an upper protective net, a water-retaining nutrient layer, and a bonding layer, arranged sequentially from top to bottom. The microbial microcapsule slow-release layer is located below the stress-resistant seed water-retaining layer and includes a solidified microbial community and a microcapsule embedding layer, with the solidified microbial community filling the microcapsule embedding layer. The biomimetic fiber mesh layer is located below the microbial microcapsule slow-release layer and includes a taproot, fibrous roots, and microroots, which work together to form a biomimetic fiber mesh structure. This application achieves both short-term ecological restoration and long-term stability balance of slopes.

This application relates to the field of agricultural irrigation and soil water and salt management technology, and discloses a method for coordinated regulation of water and salt in the root zone of jujube trees based on continuous vertical pipe irrigation. The method includes: deploying vertical pipes around the main root zone of the jujube tree to continuously supply slightly saline water; obtaining meteorological theoretical water consumption demand and headstock observation flow rate, identifying effective infiltration flow rate and calculating the total external salt mass; constructing surface state quantities, transient transitional inventory in the main root protection zone, and deep state quantities, disassembling the total external salt mass and updating the above state quantities; calculating the freshwater maintenance capacity factor and isolation integrity index, obtaining surface overload contribution items and deep overload contribution items; when the isolation state of the main root zone is determined to be ineffective, comparing the surface overload contribution item with the deep overload contribution item, and outputting a matching hydraulic regulation command. This invention overcomes the defect of soil sensors being prone to corrosion and failure, improves the accuracy of salt distribution measurement, achieves targeted hydraulic remediation, and avoids secondary hydrological hazards caused by flood irrigation.

The invention discloses an organic fertilizer prepared by vinasse fermentation and a preparation method thereof, and relates to the technical field of agricultural resource recycling and fertilizer production. The organic fertilizer is prepared from the following raw materials in parts by weight: 40-60 parts of distillers' grains, 20-30 parts of animal waste, 10-20 parts of fruits under forest, 5-10 parts of brown sugar and 5-10 parts of plant ash. The preparation method comprises the following steps: preparing materials, pretreating and crushing understory fruits, mixing and adjusting the water content, carrying out aerobic fermentation at a high temperature of 60-70 DEG C, turning piles, carrying out after-ripening aging and screening. The method has the advantages that high-valued utilization of waste such as vinasse and fruits under forest is achieved, eggs and pathogenic bacteria are thoroughly killed through high-temperature fermentation, the obtained fertilizer can remarkably promote deep pricking and development of crop roots, thick and strong main roots and dense fibrous roots, the wind resistance and rain resistance of crops are enhanced, the granular structure of soil is effectively improved, and the yield of crops is increased. The organic fertilizer is an efficient, safe and environment-friendly high-quality organic fertilizer.

This invention provides an indirect tensile strength testing method for plant roots using a splitting method, belonging to the field of plant root strength testing technology. This invention draws on the indirect tensile principle of the Brazilian splitting test for rocks, employing a three-point bending splitting method to replace the traditional direct tensile method. The steps include specimen preparation, sample fixing, loading test, strength calculation, and data screening. A single taproot is selected as the specimen, and the equivalent diameter is determined using a cross-shaped bidirectional diameter measurement method. The specimen is placed horizontally on two concave-facing arc-shaped rubber supports. Vertical pressure is applied to the midpoint of the specimen using a convex-facing indenter. The peak load is used as the failure load, and the test is terminated when the load decreases by 20%. The equivalent tensile strength is calculated using an approximate formula for rectangular cross-sections. This invention is simple to operate, has a high success rate, is suitable for the irregular circular cross-section characteristics of plant roots, allows for batch testing, and the test results closely approximate the actual stress state of the root system. It can be widely applied to root strength testing in engineering and scientific research.

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 discloses a planting method for guiding the growth of a main root system of a forest tree and improving the survival rate. The planting method comprises the steps of digging a planting pit, digging a guiding pit, applying a bag-controlled slow-release fertilizer, placing a dry corn cob core, placing a hollow plastic pipe, applying a root-promoting base fertilizer, backfilling soil, planting the forest tree, arranging a water collecting ring and topdressing. According to the method, a water collecting ring, a main root guide pit and a hollow plastic pipe are cooperatively arranged, a bag-controlled slow release fertilizer and a dry corn cob core are placed in the guide pit, and then a root-promoting fertilizer is applied to promote root system cell division. Water collected by the water collecting ring is drained to the guiding pit through the hollow plastic pipe and is absorbed and stored by the dry corn cob core. The root system is guided to grow downwards to absorb nutrients and moisture at the bottom of the guiding pit by utilizing the water and fertilizer tendency of the root system, so that the growth of the main root system is promoted, the stability and stress resistance of the forest are improved, the toppling is prevented, the planting survival rate is finally improved, and additional fertilizer can be applied from a plastic pipe opening.

The invention relates to the technical field of ecological agriculture, and provides a composition prepared by compounding a basidiomycetes oleaginous yeast S.T (with the CGMCC (China General Microbiological Culture Collection Center) preservation number of 2.1816) and a fatty acid composite solution, a preparation of the composition and application of the composition in the aspects of inhibiting soil-borne diseases of panax notoginseng and relieving continuous cropping obstacles of panax notoginseng. The composition is prepared by compounding basidiotype oleaginous yeast S.T (the preservation number of CGMCC (China General Microbiological Culture Collection Center) is 2.1816) and a fatty acid composite solution according to the volume ratio of 1: 1, and compared with a contrast, the composition can reduce the relative abundance of pathogenic bacteria in panax notoginseng planting soil, increase the seedling rate and plant height of panax notoginseng and increase the content of flavone, polysaccharide and other plant resistance related substances in underground main roots. The composition and the preparation thereof disclosed by the invention are used for biological prevention and control of soil-borne root rot of panax notoginseng and can be used for relieving continuous cropping obstacles of panax notoginseng, inhibiting root rot and promoting the quality of panax notoginseng. The method has a wide application prospect.

The utility model discloses an outdoor flowerpot which comprises a flowerpot body and a base, the flowerpot body is detachably connected with the base, the interior of the base is hollow to form a first water storage cavity, a protruding boss is arranged in the center of the bottom of the flowerpot body, and an annular second water storage cavity is formed between the boss and the inner side wall of the flowerpot body. The air permeability of the main roots of plants can be effectively improved through the design of the middle boss, water in the flowerpot is mainly stored in the first water storage cavity and the second water storage cavity, the phenomenon that the main roots are rotted due to long-term soaking in water is effectively prevented, and the flowerpot is suitable for planting orchids with the high requirement for air permeability. And the plants can grow better.

The application discloses a cultivation method of Sichuan bergamot bonsai, and belongs to the field of plant cultivation. The method comprises the following steps: selecting a Sichuan bergamot plant with a growth time of more than 3 years, being healthy and free of pests and diseases as a mother tree, taking a brown branch with a growth time of more than 1 year as a cutting, and cutting to obtain cutting seedlings; mixing ordinary soil, vermiculite and grass carbon to obtain special soil; pruning the lignified main root and fibrous root of the cutting seedlings, soaking the root part in a rooting agent, and pruning the main stem and branches of the seedlings; after the seedlings are planted in the special soil, compacting the special soil, watering, and keeping warm; applying a mixed solution of paclobutrazol and chlormequat, potassium dihydrogen phosphate, a humic acid solution fertilizer and a nitrogen-phosphorus-potassium solution to the planted seedlings in sequence; pruning according to the fertilization time, and applying fertilizer after pruning. The application solves the problems of the existing Sichuan bergamot, such as high plant height, poor ornamental effect and poor appearance of fruits, can significantly dwarf and control the characteristics of the Sichuan bergamot plant and the oversized fruit type, and effectively improves the fruit setting rate and quality of the Sichuan bergamot bonsai.

The invention relates to the technical field of slope reinforcement, and aims to solve the problems that in the prior art, a traditional reinforcement structure hinders plant growth and is poor in ecological benefit, the instant stability requirement of a high and steep slope is difficult to meet by purely depending on root system soil fixation, a slope surface layer is prone to slippage, and the simple superposition synergistic effect of a traditional rigid structure and ecological reinforcement is insufficient. The reservoir bank slope reinforcing method based on the root system-engineering structure coupling effect comprises the following steps that S1, slope pretreatment is conducted; s2, constructing a three-dimensional geonet pad; s3, planting matrix construction; s4, vegetation establishment and maintenance; s5, later monitoring and maintenance; the deep taproot system plants, the shallow creeping system plants and the three-dimensional geonet pad form a composite reinforcing system, the anti-scouring performance of the side slope is improved, the stability of the side slope is enhanced, the long-term durability is better, the ecological restoration and landscape effects are achieved, the construction and maintenance cost is reduced, and the environmental adaptability is higher.

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 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.