44 results about "Root length" patented technology

The invention belongs to the technical field of molecular biology and genetic engineering, and particularly relates to a passion fruit PeDREB1 gene and application thereof in regulating temperature and drought stress tolerance. By overexpressing the passion fruit PeDREB1 transcription factor in the plant, the tolerance of the transgenic plant to temperature stress (low temperature and high temperature) and drought stress can be obviously enhanced, the growth recovery capability of the transgenic arabidopsis thaliana overexpressed with PeDREB1 after low temperature stress is obviously superior to that of a wild type, and the leaf area growth rate is increased by about 0.45-2.28%; under the condition that 0.2 mol / L to 0.3 mol / L mannitol simulates drought stress, the seed germination rate is increased by 5.39 percent to 9.29 percent, and the root length growth rate is increased by 1.08 percent to 6.72 percent; the invention provides a clear gene target and a directly applicable molecular resource for plant stress resistance molecular breeding, can provide theoretical support for subsequent clarification of a regulation mechanism of plant response temperature and drought stress, and also lays a foundation for plant stress resistance genetic improvement and new germplasm creation.

The application provides a method for preventing and controlling plant aphids, and the specific steps are as follows: selecting plant germination seeds that have grown roots and the root length is 2-6 cm, applying a light cycle treatment of 8h light and 16h darkness in the growth process of the plant germination seeds; in the plant germination seeds, the seed sources include legumes and cruciferous vegetables; and in the growth process of the plant germination seeds, a boron-containing nutrient solution containing the following components is used: Ca(NO3)2.4H2O 4mM, KH2PO4 1mM, KCl 1mM, MgSO4.7H2O 2mM, K2SO40.5mM, FeSO4.7H2O 50μM, EDTA.Na2 50μM, MnCl2 10μM, ZnSO4.7H2O 5μM, CuSO4.5H2O 0.5μM, (NH4)6Mo7O 24 4H2O 1μM, H3BO3 35-70μM, CoCl20.5μM; the nutrient elements are applied according to the following steps: (1) the first boron-containing nutrient solution is used for 1-5d, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; (2) the second boron-containing nutrient solution is used for 6-15d, and the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The application relates to the field of microbial technology and discloses a Pseudomonas asiatica HNHMPs-260 and application thereof. The strain is preserved in the Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 66854. Fermentation supernatant of the strain can prevent and treat root-knot nematode disease of Hami melon caused by Meloidogyne javanica. Experiments show that the fermentation supernatant has strong toxic effects on second instar larvae of root-knot nematodes and can significantly inhibit the hatching of egg masses and egg grains. In addition, the fermentation supernatant has good thermal stability and storage stability, and still maintains more than 80% nematocidal activity after high-temperature treatment at 121 DEG C and long-term storage at 4 DEG C. Meanwhile, the fermentation supernatant of the strain can promote the growth of Hami melon plants, improve physiological indexes such as root length, stem length, fresh weight and dry weight, and has the application potential of being developed into efficient, environment-friendly and multifunctional biological pesticides.

The invention discloses a plant growth-promoting bacterium and application thereof, relates to the field of microorganisms, and provides a plant growth-promoting bacterium which can generate a growth-promoting effect on corn plants and further improve the growth condition of the corn plants. The growth-promoting bacterium is pumilus minutus E2 and is preserved in the China Center for Type Culture Collection, the preservation address is Wuhan University in Wuhan, the preservation date is September 19, 2025, and the preservation number is CCTCC NO: M 20252071. By applying the strain to a corn culture medium, the bifurcation number, the root tip number, the root length, the dry weight, the fresh weight and the plant height of corn can be increased, the growth promoting effect of the strain on corn plants is proved, and a basic support is provided for further application to production.

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

The invention discloses a tissue culture medium for rapid seedling raising of apple rootstocks and a rapid seedling raising method, and belongs to the technical field of plant tissue culture. The method specifically comprises the following steps: (1) obtaining a sterile material; (2) induction culture: inoculating the treated explants into an induction culture medium, and culturing at room temperature for 15-20 days to obtain adventitious buds; (3) multiplication culture: inoculating the adventitious buds into a multiplication culture medium, and carrying out light-dark culture at room temperature for 25-30 days to obtain cluster buds; (4) rooting culture: inoculating the cluster buds into a rooting culture medium, and carrying out light-dark culture at room temperature until the root length is 2-4cm; (5) transplanting. Through cooperation of the specific induction culture medium, the proliferation culture medium and the rooting culture medium, the growth and development rate and the survival rate of the apple rootstock can be effectively increased.

The invention relates to Cupriavidus sp. X3 and synbiotics with a plant growth promoting function and application of the Cupriavidus sp. X3 and the synbiotics, the Cupriavidus sp. X3 is named as a Cupriavidus sp. X3 strain, the preservation number is GDMCC No: 65855, and the preservation date is January 24, 2025. A new Cupriavidus sp. X3 with a plant growth promoting function is separated from cultivated land soil in Dongchuan mining areas in Yunnan province and is preserved, the strain has an excellent plant growth promoting function, the root length, plant height, root weight and plant weight of plants, especially corn and tobacco, can be improved, and crop growth promoting probiotic resources are enriched.

The invention belongs to the technical field of forest tree genetic engineering breeding, and particularly relates to a CbuLBD19 gene for regulating and controlling root system development and nitrogen absorption and utilization of catalpa bungei and application of the CbuLBD19 gene. The nucleotide sequence of the CbuLBD19 gene is as shown in SEQ ID No.7, and the amino acid sequence coded by the CbuLBD19 gene is as shown in SEQ ID No.8. It is found that overexpression of the CbuLBD19 gene can cause reduction of the total root length and the root biomass of catalpa bungei. Meanwhile, the net absorption rate of nitrate ions in the root system, the activity of nitrate reductase (NR) and the content of amino acid are reduced, and the comprehensive expression is that nitrogen metabolism is reduced. The negative regulation and control function of the CbuLBD19 gene on the nitrogen absorption and utilization of the catalpa bungei is defined, and a technical route for improving the nitrogen absorption and utilization of the catalpa bungei by reducing the expression of the CbuLBD19 gene is provided.

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 invention relates to the technical field of plant tissue culture, in particular to a culture medium for asexual propagation of opisthopapus taihangensis and application of the culture medium. According to the method, the most suitable culture medium components in each stage of in-vitro rapid propagation of the opisthopapus taihangensis are studied, and a key technology for each link of in-vitro rapid propagation of the opisthopapus taihangensis is determined, namely, leaves of an opisthopapus taihangensis plant are used as test materials and are soaked in 75% alcohol for 40 seconds and soaked in 0.1% mercury bichloride for 6 minutes for sterile treatment; and then carrying out callus culture, adventitious bud culture, multiplication culture and rooting culture by adopting a specific culture medium to finally achieve the effects that the rooting rate is 100%, the average roots are 5.61, the average root length is 1.67 cm, the biomass fresh weight of the overground part is 0.14 g, and the biomass fresh weight of the underground part is 0.09 g. The invention provides thinking and technical support for germplasm conservation of opisthopapus longissima, and provides a basic material for research of medicinal value of opisthopapus longissima.

The application provides a strain of protozoan nephrospora NJAU-HN1 and an application thereof, and belongs to the technical field of agricultural microorganisms. The nephrospora NJAU-HN1 has a preservation number of CCTCC NO: C2025172. The nephrospora NJAU-HN1 can directly and effectively inhibit the survival of root-knot nematodes. Application of the nephrospora NJAU-HN1 or a culture thereof can significantly promote the growth of melon plants, increase the fresh weight, dry weight and root length of the plants. The nephrospora NJAU-HN1 provided by the application provides valuable microbial resources for the development of a new microbial preparation for green prevention and control of melon root-knot nematode disease and crop health promotion, and has a good application prospect.

The present application relates to the technical field of rice salt tolerance identification, and discloses a rice seedling stage root length non-damage rapid detection salt tolerance identification device, which comprises an identification tank, the front of the identification tank is a transparent observation window, a culture floating plate is movably arranged in the middle of the identification tank, culture openings are uniformly arranged in the middle of the culture floating plate, culture nets are fixedly installed at the bottom of the culture openings, support bases are fixedly connected to the two sides of the bottom of the identification tank, and movable tracks are fixedly connected to the front and back of the middle of the support bases. The movable supporting plate is additionally arranged at the bottom of the identification tank, and the rotating shaft magnetic strip on the movable supporting plate drives the rotation of the rotor in the identification tank to form a water vortex, so that a downward pulling force is formed on the center line of the vortex, the rice root system at the bottom of the culture opening is gathered and stretched, and the experimenter can directly observe the growth length of the rice seedling root system, thereby avoiding the complicated operation of root length measurement and damage to the rice seedling root system.

The invention belongs to the field of microbial agents and plant growth promotion, and particularly relates to bacillus altitudinis YN18 and application thereof in corn growth promotion. The preservation number of the bacillus altitudinis YN18 is CCTCC (China Center for Type Culture Collection) NO: M 20251694, and the bacillus altitudinis YN18 is preserved in the China Center for Type Culture Collection on July 24, 2025; the invention relates to a bacillus altitudinis YN18, which is classified and named as bacillus altitudinis YN18. According to the invention, a strain of bacillus altitudinis YN18 is obtained through separation for the first time, and the strain YN18 has good siderophore production and IAA secretion capabilities, and can significantly promote corn plant height, root length, fresh root weight and dry root weight; therefore, the method has a good application prospect. The bacillus altitudinis YN18 provided by the invention has a remarkable emission reduction effect on NO emission of corn plants, the actually measured emission reduction rate is up to 106.52%, and the bacillus altitudinis YN18 shows excellent greenhouse gas regulation potential.

The application discloses a nano material related to root elongation and stress resistance and a use method and application thereof, and aims to improve the root length and stress resistance of plants. Specifically disclosed is the use of SPc or a pharmaceutically acceptable salt thereof in improving the root length and / or stress resistance of plants; the SPc or the pharmaceutically acceptable salt thereof is applied to plants, so that the root length and stress resistance of seedling plants can be improved, and the SPc or the pharmaceutically acceptable salt thereof can be used in industrial production.

The invention belongs to the technical field of biology, and discloses a rooting agent based on RhCLE1CM polypeptide and application of the rooting agent in Chinese rose cutting propagation. According to the rooting agent, RhCLE1CM polypeptide with the amino acid sequence shown as SEQ ID NO: 3 serves as a core active component, the application concentration of the rooting agent is 0.01-10 [mu] M, and the preferable concentration of the rooting agent is 1 [mu] M. The invention also provides a nucleotide sequence for coding the polypeptide and the RhCLE1 protein, a corresponding expression vector, an engineering bacterium, a gene silencing vector and a transgenic plant. Researches prove that the rooting rate of Chinese rose cuttings can be remarkably increased, the root number is increased and the root length is prolonged by applying the RhCLE1CM polypeptide externally, and transgenic tobacco with the over-expressed RhCLE1 gene also shows the phenotype of enhanced root system. The invention provides an efficient novel rooting promoter scheme for Chinese rose asexual propagation, and has practical application value for promoting rapid propagation of excellent Chinese rose varieties.

The application belongs to the technical field of field weed control, and particularly relates to application of plant source active substance homoharringtonine in weed control. Research finds that homoharringtonine has the effect of inhibiting the bud length and root length of barnyard grass, cyperus difformis and bidens pilosa. The inhibiting effect of homoharringtonine on the bud length and root length of barnyard grass is the most obvious, and the inhibiting effect of homoharringtonine on the bud length and root length of cyperus difformis and bidens pilosa is slightly weaker than that on barnyard grass, but is better than that of the control agent propanil. The application of homoharringtonine in weed control provides a new solution for green treatment of field weeds and realization of sustainable development of agriculture.

The present application relates to the field of microbial technology, and particularly relates to a rhizosphere basing cupriavidus basellens - 10 and application thereof in dissolving phosphorus and promoting growth. The rhizosphere basing cupriavidus basellens - 10 provided by the present application has a preservation number of GDMCC No. 65501, and the rhizosphere basing cupriavidus basellens - 10 can increase the contents of chlorophyll a, chlorophyll b, carotenoids and total chlorophyll in leaves of cinnamomum chekiangense seedlings, increase the plant height, ground diameter, total fresh weight, root fresh weight, stem fresh weight, leaf fresh weight, total root length and thick root number of the cinnamomum chekiangense seedlings, and promote the accumulation of soluble sugar and effective phosphorus in roots and leaves.

The present application relates to the technical field of plant root determination, and discloses a hydroponic device for plant seedling culture and root observation, which comprises a hydroponic box with an opening on one side, an observation plate is installed at the opening of the hydroponic box, guide mechanisms are installed at the top and bottom of the observation plate and fixed to the hydroponic box, an adjusting and locking mechanism is slidably connected between the two guide mechanisms, a determination mechanism is connected to the adjusting and locking mechanism, and a U-shaped cover plate is slidably connected to the guide mechanism and installed on the side of the determination mechanism away from the hydroponic box. The present application is convenient for fixing and taking out the plants without damaging the plant roots, and is convenient for subsequent culture and determination of the plants, reduces the inaccuracy of the determination caused by the damage of the plant roots, meets the determination requirements of the roots at different positions, avoids the influence of light on the root growth, meets the determination requirements of the root length and the angle deviating from the gravity vector, is convenient for the root measurement operation of the cultivators, and improves the measurement efficiency.

The invention discloses a method for identifying the salt tolerance of wheat seeds in a seedling stage, which comprises the following steps: by taking at least 100 parts of wheat varieties as candidate varieties, carrying out a seedling stage salt tolerance test on tested seeds of each candidate wheat variety under a first salt concentration; measuring the plant height, the root length, the whole plant fresh weight and the root length to crown length of the seedlings in the seedling stage, calculating the weighted membership function value of each candidate wheat variety, performing clustering analysis to classify the salt tolerance grades of the wheat according to the weighted membership function value, and then selecting the most salt-tolerant variety to perform treatment group and control group tests under the second salt concentration for further screening; and finally, selecting the most salt-tolerant variety according to the salt tolerance comprehensive evaluation value. According to the method, the salt tolerance of hundreds of large-scale wheat varieties is screened and identified through multiple indexes, the used time is relatively short, the efficiency is higher, and the obtained result is accurate and reliable.

The invention belongs to the technical field of plant tissue culture and rapid propagation, and particularly provides a tissue culture and rapid propagation method for leaves and flowers of wild primulina rosea, which comprises the following steps: taking vigorously growing tender leaves at the top of primulina rosea and just blooming flowers at the top of primulina rosea as explants; pretreating an explant; disinfecting the explants; performing primary culture; carrying out subculture; rooting and seedling strengthening culture; when the strong seedling culture seedlings reach the growth indexes that the plant height is 1.8-2 cm, the root length is 1.9-2.1 cm and the leaf number is 7-8, seedling hardening treatment is conducted on the strong seedling culture seedlings; and after the seedling hardening is finished, transplanting and culturing. According to the method disclosed by the invention, the aseptic seedlings of the primulina are successfully cultivated through the tissues of the flower organs for the first time, and the transplanting success rate reaches 95% or above.

The application provides a cotton seedling root image segmentation method, a root length and root width measurement method and system. The cotton seedling root image segmentation method comprises: acquiring an image containing cotton seedling roots; inputting the image into a trained improved U-Net network to obtain a cotton seedling root image segmentation result; the improved U-Net network comprises an encoder part, a decoder part and a skip connection part connecting the encoder part and the decoder part, wherein, for each level of feature calculation layer in the encoder part and the decoder part, the standard convolution in the feature calculation layer is replaced with a DSConv; for the encoder part, an SCSE module is embedded between each level of feature calculation layer and a pooling layer; and an ASPP module is integrated in the bottom bottleneck layer. The application can cope with the challenges brought by different target morphologies and variable background textures in the cotton seedling root image, realize accurate and rapid identification and segmentation of the cotton seedling roots in the germination disc environment, and realize calculation of the root length and root width phenotype parameters of the cotton seedling roots based on the identification and segmentation result.

The invention relates to the technical field of biology, in particular to a rice root length and drought resistance related protein RL3 as well as a coding gene and application thereof, and particularly discloses application of any one of a protein, a substance for regulating and controlling the expression of the coding gene of the protein or a substance for regulating and controlling the activity or content of the protein. A1) application in improving the root length of the gramineous plant and / or application in preparing a product for improving the root length of the gramineous plant; a2) application in improving the drought resistance of the gramineous plants and / or application in preparing products for improving the drought resistance of the gramineous plants. The CRISPR mutant phenotype identification of the RL3 gene shows that when the gene is deleted, the rice root length is shortened, and the drought resistance is reduced; overexpression of the RL3 can significantly increase the root length and improve the drought resistance of the RL3, the function and application approach of the gene are proved, and the gene has important significance for analyzing the genetic regulation mechanism of the rice root system and improving the drought resistance of the rice by molecular breeding.

This invention relates to the field of plant genetic engineering, specifically to the MMR1 protein, its encoding gene, and its applications in regulating ROS homeostasis in the root tip meristem of plants. This invention involves knocking out the MMR1 gene to obtain stable transgenic lines of Arabidopsis thaliana. mmr1-1, mmr1-2 and build MMR1 Gene replacement lines and MMRI Gene overexpression lines; mutants compared to wild type mmr1-1, mmr1-2 The results showed shortened root length, shortened root tip meristem, and reduced root tip division ability; reintroduced lines indicated that the MMR1 protein was located in the mitochondria; the roots of the overexpressing lines were longer than those of the wild type, indicating... MMR1 The gene plays an important role in root elongation, root apical meristem development, and root apical meristem cell activity in Arabidopsis thaliana. This invention fills a gap in the field of mitochondrial-localized protein regulation of root development and ROS homeostasis, providing new genetic resources for root improvement and transgenic breeding.

The invention discloses a cladosporium endophytic fungus YT15-1 and application thereof, and belongs to the technical field of microorganisms. The cladosporium endophytic fungus YT15-1 is separated from the root system of sonchus oleraceus, is classified and named as Saroocladium strictum YT15-1, is preserved in the China Center for Type Culture Collection (CCTCC), and has the preservation number of CCTCC NO: M 20252189. The YT15-1 and rice are co-cultured, so that the YT15-1 can be colonized in the root tissue of the rice, and the resistance of the rice to salt stress in the seedling stage can be effectively enhanced. Under the condition of high salt stress, compared with a control group, the stem and leaf height, the root length and the stem and leaf fresh weight of a YT15-1 strain treatment group are respectively increased by 75.54%, 214.71% and 52.63%.

The application discloses application of N-acetyl-L-cysteine in improving drought resistance of plants and belongs to the technical field of plant cultivation.The application first proposes application of N-acetyl-L-cysteine (NAC) in improving drought resistance of Brassica napus L.And through experiments, it is proved that compared with a control group, the fresh weight, dry weight, root length and chlorophyll content of the Brassica napus L seedlings that are sprayed with 150 muM of N-acetyl-L-cysteine on leaves are improved, the leaf water loss rate is reduced, and the drought stress tolerance of the Brassica napus L is enhanced.This reflects that the drought stress tolerance of the Brassica napus L treated with N-acetyl-L-cysteine is obviously improved.Further experiments are conducted to obtain an optimal application concentration of 150 muM, so that the N-acetyl-L-cysteine can be optimally used in improving the drought stress tolerance of the Brassica napus L.

The invention discloses a method for evaluating the root lodging resistance of corn in the flowering period. According to the method, the total length of lateral roots of fifth-layer crown roots of corn is measured, and the longer the length is, the higher the root lodging resistance of the corn in the flowering period is. According to the method, the root lodging condition of a series of corn inbred line materials after rainstorm is evaluated, meanwhile, corn is pulled out of soil, the total root length of lateral roots on a fifth-layer crown root is measured, and it is found that the root lodging resistance of the corn inbred line and the total length of the lateral roots of the fifth-layer crown root show a remarkable positive correlation; the total length of the lateral roots of the fifth-layer crown roots of the corn can be used for evaluating the root lodging resistance of the corn.

The invention relates to the technical field of agriculture and forestry, and discloses a chrysanthemum indicum cutting rooting method. The invention provides a chrysanthemum indicum cutting rooting method. The chrysanthemum indicum cutting rooting method comprises the following steps: S1, soaking cutting slips subjected to primary cutting in a mixed aqueous solution of a rooting agent and a bactericide, and then inserting the cutting slips into a hole tray filled with a cutting medium for cutting seedling raising; s2, spraying water during cutting seedling raising, transplanting 15 days after cutting, or performing topping to obtain terminal buds 25 days after cutting and / or after cutting seedlings are higher than 20cm, and transplanting the topped cutting seedlings; the terminal buds obtained through topping serve as cutting slips for secondary cutting, and the step S1 is repeated for secondary cutting seedling raising. According to the cutting rooting method, rapid propagation of wild chrysanthemum flowers can be achieved, obtained cutting seedlings have the good rooting rate and root length, the quality of new seedlings is guaranteed, secondary cutting can be continued, the propagation coefficient of mother plants of the wild chrysanthemum flowers is increased, the time for obtaining cutting slips is shortened, and the cost for obtaining the cutting slips is saved.

The application belongs to the field of biotechnology, and particularly relates to application of nano iron atoms in promoting plant growth and nodule fixation of nitrogen, wherein the nano iron atoms significantly improve the plant height, root length, fresh weight of aboveground part, fresh weight of root, dry weight of aboveground part and dry weight of root of alfalfa; the application mode of seed soaking + spraying is more beneficial to the growth of alfalfa; meanwhile, the root activity of alfalfa under the treatment of FeNPs is significantly higher than that of the control; according to the phenotype of root nodule, the total number of root nodules and the number of effective root nodules under the treatment of FeNPs are 2.04 times and 1.42 times higher than those of the control respectively; the data of nitrogen fixation enzyme activity further prove that the nitrogen fixation enzyme activity under the treatment of FeNPs is the highest. The content of urea further shows that FeNPs promote alfalfa to fix nitrogen in the air and produce a large amount of urea in the root nodule, promote the growth of alfalfa, thereby improve the quality and biomass of leguminous forage, and have wide application prospect.

The invention belongs to the technical field of microorganisms, and particularly relates to application of Pacific bibaumannia in improving the yield and / or quality of cyperus esculentus. The Pacific bibaumannia is YSS0046, the preservation number is CGMCC NO.34153, and the Pacific bibaumannia is preserved in the China General Microbiological Culture Collection Center on April 10, 2025. Under the stress of salt, the Pacific Bibaumannia can effectively promote seed germination and seedling growth of cyperus esculentus, increase the plant height, root length, fresh weight and tiller number of cyperus esculentus, and provide more sufficient nutrition and energy for growth and development of cyperus esculentus.