17 results about "Cynodon dactylon" patented technology

The invention relates to the technical field of tailing sand treatment, in particular to a method for repairing vanadium titano-magnetite tailing sand by utilizing plants, which comprises the following steps: ploughing and flattening the surface layer of the tailing sand, then applying an organic modifier and a pH regulator, and fully mixing with the tailing sand of 20-40cm on the surface layer; synchronously applying a microbial agent containing heteroform rhizopus in the plant growth substrate, and sowing bermuda grass; performing field management after the cynodon dactylon seedlings survive; after at least one complete growth cycle of the cynodon dactylon is completed and the cynodon dactylon enters a mature period, stubbles of 5-10 cm are reserved by using a harvesting machine for cradling so as to ensure that the cynodon dactylon keeps necessary growing points, so that the cynodon dactylon can be quickly regenerated in the next growing season, and then the cradled cynodon dactylon is treated. The phytoremediation efficiency of the vanadium titano-magnetite tailing sand can be improved, and ecological restoration, resource circulation and environmental safety are also considered.

The invention discloses an ecological base material suitable for ecological restoration of a high and steep rock slope and an ecological restoration method and application of the ecological base material, the ecological base material comprises the following raw materials: a matrix component, a reinforcing component and plant seeds, and the matrix component comprises the following raw materials in parts by weight: 40-50 parts of local loam, 6-10 parts of organic matter, 3-5 parts of a water-retaining agent and 2-4 parts of a pH regulator; the reinforcing component comprises the following raw materials in parts by weight: 15 parts of a fiber material, 5-8 parts of a binder, 3-5 parts of a slow release fertilizer and 0-0.1 part of a modifier; the plant seeds comprise herbaceous plants and shrubs, the herbaceous plants comprise cynodon dactylon and festuca arundinacea, and the shrubs comprise magnolia floribunda and lespedeza, specifically, 0.4 part of cynodon dactylon, 0.3 part of festuca arundinacea, 0.15 part of magnolia floribunda and 0.05 part of lespedeza. According to the ecological base material and the ecological restoration method thereof, the site conditions of the high and steep slope can be met, vegetation can be attached to the surface of the slope body easily, the rock and soil conditions of the surface of the high and steep rock slope are improved, and development and implementation of ecological restoration are facilitated.

The application discloses a method for promoting growth of cymbidium on a steel slag flat bed based on microbial organic matrix, and belongs to the technical field of steel slag resource utilization. The application inoculates eight kinds of bacillus agents with different concentrations on the bacterial residue to prepare the organic matrix, and then covers the matrix on the converter slag to promote the growth of cymbidium on the converter slag, and selects the bacillus strain with the best growth promotion effect and the most suitable inoculation concentration. The results show that after being inoculated with bacillus megaterium, bacillus polymyxa and bacillus mucilaginosus, the sucrose activity of the soil is enhanced; the hydrogen peroxide activity of the soil in the four groups of treatments inoculated with the bacillus agent is stronger than that in the control group; the application of the bacillus megaterium, bacillus polymyxa and bacillus mucilaginosus enhances the urease activity in the soil; the inoculation of the bacillus megaterium promotes the release of Ca and P elements in the soil and the absorption of Ca, P, Mg, Mn and Si elements by the plant.

The invention provides a bermuda grass slope protection base material and a preparation and use method thereof, and the preparation and use method comprises the following steps: S1, respectively preparing a bacillus amyloliquefaciens microbial inoculum, cellulose and humic acid, the humic acid takes bottom mud of rivers or lakes as a preparation raw material; s2, mixing the bacillus amyloliquefaciens microbial inoculum prepared in the step S1, cellulose, humic acid and polyacrylamide according to a certain proportion, wherein the mixing proportion is 2-3 parts by mass of the bacillus amyloliquefaciens microbial inoculum; 20-30 parts by mass of cellulose; 5-10 parts by mass of humic acid; 0.1 to 0.4 part by mass of polyacrylamide; and S3, the mixture obtained in the S2 is sieved, and the rapid field planting bermuda grass slope protection base material in the silty soil mud flat reclamation area is obtained. According to the method, the survival rate and disease resistance of the cynodon grass seeds can be improved under the drought condition, the water retention capacity of soil is improved, and meanwhile recycling of waste such as straw and bottom mud is achieved.

This invention relates to the field of fluorescence detection technology, specifically disclosing a dual-colorimetric fluorescent probe for detecting methyl orange, its preparation method, and its application. The probe is prepared by in-situ synthesis of carbon dots and copper nanoclusters. The carbon dots are synthesized from Bermuda grass as a precursor via a hydrothermal method, and the copper nanoclusters are obtained by reducing copper ions with penicillamine and bovine serum albumin as dual stabilizers. The dual-colorimetric fluorescent probe provided by this invention has a detection limit for methyl orange as low as 0.06 μM, exhibiting good selectivity, stability, and anti-interference ability. It can be applied to the spiked recovery detection of methyl orange in actual water samples and can achieve visualized semi-quantitative analysis through filter paper loading, making it suitable for rapid on-site screening.

The invention provides a lawn based on lake bottom mud and a construction method and application thereof, and belongs to the field of urban ecological engineering and environmental engineering.The construction method comprises the following steps that S1, a base layer is laid, specifically, lake bottom mud is subjected to particle screening, and bottom mud with the particles larger than 30 mm serves as the base layer to be laid; s2, a bearing layer is laid, specifically, asphalt concrete is laid on the base layer to serve as the bearing layer, and the bearing layer is formed by wrapping round stones with asphalt; s3, laying a buffer layer: 4-5 weeks after the bearing layer is laid, laying lake bottom mud with particles smaller than 30mm on the bearing layer as the buffer layer; s4, planting layer construction: sowing lawn grass seeds, wherein the lawn grass seeds are selected from at least one of ryegrass or cynodon dactylon; according to the method, the lake bottom mud is used as a main planting substrate, so that the purpose of treating waste with waste is achieved, the bottom mud treatment cost is reduced, and a safe, economical and feasible path is provided for lake pollution treatment and ecological restoration.

The invention discloses an agrobacterium rhizogenes-mediated rapid and efficient genetic transformation method for cynodon dactylon. The method comprises the following steps: (1) transforming, culturing and treating agrobacterium rhizogenes; (2) disinfecting and treating stolon sections of cynodon dactylon; (3) impregnating the stolons of the cynodon dactylon with agrobacterium rhizogenes, and inducing to form hairy roots; and (4) regenerating the transgenic cynodon dactylon plant. Compared with an existing universal genetic transformation method of the cynodon dactylon mediated by a gene gun and agrobacterium tumefaciens, the method has the advantages that tedious and low-efficiency callus induction and regeneration operation does not need to be carried out, the whole operation process can be completed within two months, and a convenient technical means is provided for genetic breeding and gene function research of the cynodon dactylon.

The application belongs to the technical field of plant stress resistance regulation, and particularly relates to application of kynurenic acid in improving salt stress adaptability of cynodon dactylon. The application finds that, before and / or during salt stress, exogenous application of kynurenic acid to cynodon dactylon can significantly reduce the degree of oxidative stress (H2O2), the level of membrane lipid peroxidation (MDA) and the content of osmotic regulator substance proline, effectively relieve salt damage reaction and improve the adaptability of cynodon dactylon in a high-salt environment. The method is simple in operation, suitable for plant remediation and environmental protection planting in saline soil, and has a good application prospect.

The invention provides a preparation method of a microbial combined modifier for cadmium-polluted rice soil remediation, which comprises the following steps: carrying out swelling treatment on a porous carrier material, and carrying out attenuation or disinfection treatment by using growth promoting liquid; the growth promoting liquid is a root exudate solution of cynodon dactylon, rice, ryegrass or rape; adding a porous carrier material and a growth promoting solution into the aspergillus aculeatus solution, and oscillating to obtain a mixed solution; and mixing the mixed solution with sodium alginate, and carrying out gelation treatment to obtain the microorganism combined modifier. The microorganism combined modifier overcomes the defects of biotoxicity, agglomeration and the like of a porous carrier material, solves the problems of low survival rate, poor tolerance and the like in a functional microorganism repairing process, increases the content of crop rhizosphere microorganism source growth-promoting hormone, effectively promotes the yield and stress resistance of rice, and improves the quality of the rice. Meanwhile, migration and bioavailability of rice rhizosphere heavy metal are effectively reduced, and absorption of rice to heavy metal such as cadmium is inhibited.

The application discloses a method for annual efficient production of centipedegrass seedling, which comprises the following steps: building a multi-layered culture shelf, preparing a seedbed, sowing seedlings, managing a rooting stage, managing a seedling forming stage, pre-harvest management, harvesting seedlings, and post-harvest management. According to the technical scheme, the centipedegrass seedlings can be rapidly propagated under the precise environment control of temperature and light by building a multi-layered shelf indoors, and the seedlings can be harvested 6-8 times per year after one-time planting, so that the annual efficient production of the centipedegrass seedlings is realized, sufficient seedling materials are provided for national land greening, sports field lawn planting and ecological restoration, and remarkable economic benefits are achieved.

The invention discloses an eleusine indica control method for a cynodon dactylon lawn, which comprises the following steps: 1) in a 3-5 leaf period of eleusine indica, 2, 4-D isooctyl ester is sprayed, and the effective content of the 2, 4-D isooctyl ester is 1800g a.i. Ha <-1 >; 2, grass cutting treatment is conducted for the first time after spraying is conducted for one week, the stubble height is 5 cm, then grass cutting treatment is conducted every two weeks, and grass cutting treatment is conducted for four times in total. The goosegrass prevention and removal method for the cynodon dactylon lawn can well prevent and remove goosegrass under the condition that the influence on the attractiveness of the cynodon dactylon lawn is small.

The invention relates to the technical field of salt tolerance of cynodon dactylon, in particular to a method for improving salt tolerance of cynodon dactylon by using exogenous trimethylamine oxide, which comprises the following steps: step 1, preparing trimethylamine oxide solutions by using 300mM NaCl and a 1 / 2 Hogland improved nutrient solution respectively, and preparing a salt-containing trimethylamine oxide solution and a salt-free trimethylamine oxide solution respectively; step 2, cutting out ervatamia rhizome sections with the length of about 10cm and excellent growth vigor, and culturing the ervatamia rhizome sections with excellent growth vigor; and step 3, after culturing the rhizome section of cynodon dactylon for 3 weeks, culturing the cynodon dactylon plant for 2 days by using a salt-free trimethylamine oxide solution, and then adding a salt-containing trimethylamine oxide solution for further treatment and culture. The trimethylamine oxide is applied to Bermuda grass plants stressed by 300mM NaCl, the application concentration is 0.3-0.8 mM, the application effect is remarkable, the content of H2O2, MDA and proline can be reduced, the growth state of Bermuda grass under salt stress is improved, and damage of high salt stress to Bermuda grass is reduced.

The invention relates to the technical field of greening, in particular to a lawn with a self-repairing function and a construction method thereof.The construction method includes the steps that rotary tillage equipment is used for conducting scarification pretreatment on surface soil of a construction area, mixed grass seeds of zoysia japonica and cynodon dactylon are selected, and composite coating treatment is conducted to obtain composite coating type grass seeds; sodium carboxymethyl cellulose and nano layered silicate with the mass being 2%-5% of the mass of the sodium carboxymethyl cellulose are compounded to form thixotropic hydrogel, a hydrogel matrix is obtained, the composite coated grass seeds and the hydrogel matrix are mixed according to the mass ratio to prepare slurry, the slurry is evenly sprayed to a target area through a spray head, first irrigation is conducted through a mist sprayer within 5 minutes after spray-seeding is completed, and the thixotropic hydrogel is obtained. According to the method, the grass seeds are subjected to composite coating treatment, particularly, the first layer of nutrient gel coating film provides initial nutrients needed by germination of the grass seeds, the water retention layer effectively maintains the microenvironment humidity around the grass seeds, and rapid germination of the grass seeds and robust growth of seedlings are jointly promoted.

The invention belongs to the technical field of herbicides, and particularly relates to an efficient weeding composition for airport lawn broadleaf weeds and application thereof.The efficient weeding composition is prepared from carfentrazone-ethyl, chipton sodium, fluroxypyr-mepthyl and 2, 4-D isooctyl ester as main effective components, by matching with a special auxiliary agent composed of xanthan gum, polyethylene glycol and the like and a pesticide application method matched with an airport scene, efficient prevention and control of rumex plicata broadleaf weed plants are achieved, and the weeding composition is safe, free of phytotoxicity and low in soil residue on common airport turfgrass such as cynodon dactylon, bluegrass, agrostis pilosa and festuca arundinacea. The device can cut off a grass-insect-bird ecological chain of an airport, remarkably reduces the bird strike risk, is suitable for lawns of various airport flying areas, and has extremely high popularization value.

‘OSU2082’ is disclosed as a new clonally propagated F1 hybrid turf Bermudagrass cultivar which performs exceptionally well in severe drought conditions. It does not produce frequent seed heads. The variety demonstrates excellent establishment characteristics and leaf spot disease resistance, with fine leaf texture, and sufficient sod tensile strength for reliable, large scale commercial production on farms.

This invention provides a turfgrass based on lake sediment, its construction method, and its application, belonging to the field of urban ecological engineering and environmental engineering. The establishment method is as follows: S1, Base layer laying: The lake sediment is screened for particles, and sediment with particles >30mm is used as the base layer; S2, Load-bearing layer laying: Asphalt concrete is laid on the base layer as the load-bearing layer, which is composed of asphalt-coated rounded pebbles; S3, Buffer layer laying: 4-5 weeks after the load-bearing layer is laid, lake sediment with particles smaller than 30mm is laid on the load-bearing layer as a buffer layer; S4, Planting layer construction: Turfgrass seeds are sown, and the turfgrass seeds are selected from at least one of ryegrass or bermudagrass. This invention uses lake sediment as the main planting substrate, realizing waste-to-waste treatment, which not only reduces the cost of sediment disposal, but also provides a safe, economical, and feasible path for lake pollution control and ecological restoration.

The invention discloses a dressing bag for dredging collaterals, relaxing tendons and ironing bones. Comprising phryma leptostachya, lycopodium clavatum, radix clematidis, caulis spatholobi, kadsura pepper stem, caulis sinomenii, Chinese starjasmine stem, photinia serrulata, tinospora sinensis merr, honeysuckle stem, ramulus mori, dryopteris pubescens, angelica sinensis, safflower, peach kernel, radix paeoniae rubra, hematoxylon, herba lycopi, artemisia anomala, prepared frankincense, prepared myrrh, pseudo-ginseng, ground beeltle, rhizoma bletillae, muskmelon seed, rhizoma drynariae, eucommia ulmoides, teasel root, radix cyathulae, cortex acanthopanacis, rhizoma cibotii, obscured homalomena rhizome, cassia twig, rhizoma zingiberis, folium artemisiae argyi, radix saposhnikoviae, notopterygium root and radix angelicae pubescentis. The preparation method comprises the following steps: decocting the medicinal materials except the borneol in the rice wine or yellow rice wine of 35-38 degrees, stirring and dissolving with the borneol to form a mixture, filtering the liquid in the mixture to obtain decoction dregs, packaging the decoction dregs to form the outer medicine bag, and heating the outer medicine bag to apply on the affected part firstly and then performing hot compress. According to the traditional Chinese medicine composition, the effects of warming and smoothing qi and blood are achieved, so that the effects of promoting blood circulation to remove blood stasis, relieving pain, promoting reunion of fractured tendons and bones, promoting tissue regeneration and meat growth and repairing soft tissues of the traditional Chinese medicine composition are accelerated.