16 results about "Fern" patented technology

The invention relates to structures and preparation methods of nine novel guaiane type sesquiterpene dimer compounds in xylostemma oblongifolium, and applications of the dimer compounds in anti-angiogenesis and anti-tumor aspects. The structures of the compounds are as shown in Figure 1. The invention also relates to a preparation method of the dimer compounds, and an application of the dimer compounds in anti-angiogenesis and anti-tumor aspects. The compound provided by the invention has angiogenesis inhibition activity and can be used for development and application of antitumor drugs.

The utility model provides a pteridium aquilinum processing rinsing pool, and belongs to the technical field of pteridium aquilinum processing rinsing, the pteridium aquilinum processing rinsing pool comprises a rinsing pool, the left side and the right side of the top surface of the rinsing pool are fixedly connected with bearing seats, the two bearing seats are internally and rotatably connected with a transverse shaft, and the left end of the transverse shaft is provided with a transmission assembly; two vertical plates distributed up and down are fixedly connected to the transverse shaft, a groove is formed in each vertical plate, a transverse plate is arranged in each groove, an adjusting assembly is arranged on the bottom face of each transverse plate, a movable plate is fixedly connected to the top face of each transverse plate through a spring, and the movable plates can slide up and down along the grooves. And an arc-shaped placing plate is fixedly connected in the float cleaning tank. According to the pteridium aquilinum cleaning device, the transverse shaft can be driven to rotate through the power assembly, so that the vertical plate is driven to rotate, the vertical plate rotates to drive the movable plate to rotate, pteridium aquilinum placed on the arc-shaped placing plate can be stirred, the pteridium aquilinum rolls on the arc-shaped placing plate, and the pteridium aquilinum cleaning effect is improved.

The invention relates to a method for extracting scattered metal gallium in soil by utilizing pteridophyte, and belongs to the technical field of plant mining. The invention provides application of pteridophyte in extraction of metal gallium in soil. According to the method, gallium-enriched plants are screened out according to the enrichment amount of gallium metal by the fern leaves of different types, and then gallium is extracted from the plants by utilizing the screened plants, so that gallium metal recycling is realized. Therefore, gallium in the soil can be enriched and extracted by using the gallium-enriched pteridophyte.

The invention discloses a tissue culture method for botrychium ternatum spore induced prothallium. The culture method comprises the following steps: collecting botrychium ternatum with sporangium, drying, sieving and collecting spores, sequentially carrying out multiple times of disinfection and cleaning pretreatment on the collected spores by using 75% ethanol, sterile water, 2% sodium hypochlorite and the like in a sterile environment, uniformly coating a culture medium with treated spore suspension, and carrying out observation culture, the time from spore inoculation to prothallium formation is 24-26 days, and the time from spore inoculation to juvenile sporophyte formation is 47-63 days. The culture medium consists of the following components: a 1 / 8 MS culture medium, 5g / L of sucrose and 8g / L of agar. The culture medium is simple to prepare, can effectively induce spore germination and prothallus proliferation of the botrychium ternatum, can be further cultured to obtain sporophytes, can also be used for acclimatization and transplantation, shortens the seedling raising period, further realizes large-scale cultivation of the botrychium ternatum, and has important significance for expanded application of pteridophyte.

Aspects of the present disclosure relate to transgenic plants. In particular, the present disclosure relates to transgenic non-fern plants with one or more nucleotide sequences encoding (a) a fern rapid NPQ (frNPQ) light harvesting complex b1 (lhcb1) protein, a frNPQ light harvesting complex b2 (lhcb2) protein, a frNPQ light harvesting complex b3 (lhcb3) protein, a frNPQ light harvesting complex b4 (lhcb4) protein, a frNPQ light harvesting complex b5 (lhcb5) protein, a frNPQ light harvesting complex b6 (lhcb6) protein, and / or a frNPQ additional light harvesting complex (aLHC) protein; (b) a frNPQ photosystem II subunit S (PsbS) protein; and / or (c) a frNPQ zeaxanthin epoxidase (ZEP) protein, a frNPQ violaxanthin de-epoxidase (VDE) protein, or both the frNPQ ZEP protein and the frNPQ VDE protein. Further, the present disclosure relates to methods of increasing plant growth and methods of selecting a plant for improved growth characteristics.

1. Name of the product in this design: Planting board. 2. Purpose of this design: for planting staghorn ferns and other epiphytic plants. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application provides a method for artificially breeding Doerryoptis concolor. The method for artificially breeding Doerryoptis concolor comprises the following steps: (1) sowing spores of Doerryoptis concolor in a breeding substrate, and culturing until obtaining sporophyte seedlings; and (2) transplanting the sporophyte seedlings into a rejuvenation substrate, and performing division rejuvenation culture. The method has high germination rate, high survival rate, high growth quality, and fast growth speed, and can effectively meet the demand of the market for Doerryoptis concolor.

The invention relates to the technical field of plant tissue culture and biological process control, and particularly discloses a method and a device for intelligently and rapidly proliferating fern green spheroid liquid. The method comprises the steps that prior parameters and initial form data are acquired, and batch filing and boundary checking are carried out; an online sensing channel is initialized, data acquisition and calibration are carried out, alignment sensing data are generated, and credibility evaluation is carried out; extracting form and biomass proxy indexes from the sensing data, and estimating a proliferation state and generating stage candidate tags through fusion calculation and anomaly localization; performing adaptive closed-loop control and feeding arrangement based on the state vector; stage discrimination and security window write-back are completed; and finally, quality control archiving is carried out, prior parameters are updated, and a closed loop is formed. According to the invention, the whole-course intelligent perception and accurate control of the proliferation process are realized, the proliferation efficiency and consistency are effectively improved, and the traceability of product quality control is ensured.

This invention relates to the field of plant cultivation equipment technology, and discloses an artificial propagation and cultivation device and method for *Hippophae rhamnoides*, including a frame and a fixed partition plate inside. The top and bottom of the partition plate form two independent chambers with the interior of the frame: a lower chamber (Cavity 1) and an upper chamber (Cavity 2). Chamber 1 contains a propagation component for planting *Hippophae rhamnoides* and its spores. Glass panels are installed on the sides of the frame and on all four sides of Chamber 2. By incorporating a liftable collection plate, an upper interface with a guide surface, and a delivery hose, a spray irrigation method is used to replenish water to mature *Hippophae rhamnoides* mother plants. Simultaneously, it naturally promotes spore detachment and guides them into the distribution channel, ultimately automatically falling into designated propagation pots. This completely replaces the tedious traditional manual collection and sowing of spores, greatly improving efficiency and reducing spore loss.

The invention relates to the technical field of plant preservation, and discloses a preparation method of a multi-component preservation solution for leaf-cut plants, the method takes a general basic formula and an exclusive adapter bag as a core, and the general basic formula contains sucrose, potassium nitrate, magnesium sulfate, 8-hydroxyquinoline citrate and other components and provides energy, nutrition and basic antibacterial guarantee; the special adaptive bags are divided into fiddlehead, woody broad-leaf and herbaceous fine-leaf types, and the characteristics of corresponding cut leaves are adapted through synergistic bacteriostasis and water retention, energy supplementation, cell wall protection and water locking to delay chlorophyll degradation respectively. The preparation method comprises the steps of component weighing, basic liquid preparation, functional component adding, adaptive adjustment, operation protection and waste liquid treatment, parameters such as the stirring rotating speed and time are determined, and it is ensured that the components are evenly dissolved. Precise preservation of the bracken leaves, the woody broad leaves and the herbal thin leaves is achieved, the fresh green period and the shelf life are prolonged, loss is reduced, industrial production and practical application are both considered, and operation is convenient and environmentally friendly.

The invention discloses a living body preservation culture solution for pteridophyte spores. The living body preservation culture solution is prepared from ammonium nitrate, potassium nitrate, monopotassium phosphate, magnesium sulfate, calcium chloride, potassium iodide, boric acid, manganese sulfate, zinc sulfate, sodium molybdate, copper sulfate, cobalt chloride, ferrous sulfate, disodium ethylene diamine tetraacetate, glycine, thiamine hydrochloride, pyridoxine hydrochloride, nicotinic acid, vitamin B1, vitamin B6 and nicotinic acid. The living body preservation culture solution can be used for living body preservation and rapid cultivation of pteridophyte spores in a bacterium-carrying environment, the preservation time is long, the cultivation time is shortened, the method is simple, convenient and easy to operate, and the living body preservation culture solution is suitable for living body preservation and rapid seedling breeding of drynaria fortunei and cibotium barometz spore culture and is suitable for factory-like large-scale batch market production.

The present application provides a kind of fern composite planting method based on birch forest, and belongs to the technical field of agricultural planting.The present application provides a kind of fern composite planting method based on birch forest in the low-quality birch forest area in northeast forest, solves the problem of low utilization rate of existing low-quality birch forest interspace and unbalanced supply and demand of fern market, and solves the problem of fern resource cultivation and artificial large-area planting difficulty.The present application solves the problem of low-quality birch forest space utilization difficulty by different forest type selection method and different canopy density fern planting method, realizes the one-year two-season harvesting mode of spring vegetable picking and autumn fruit picking by low canopy density plot black bud currant and fern intercropping, increases the utilization efficiency and multiple cropping index of interspace in forest, and provides a new mode for forest economy development and lays a foundation for forest fern industry development.

This invention discloses a method for direct seeding propagation of *Cibotium barometz* using native soil without sterilization, belonging to the field of plant propagation and seedling technology. This invention achieves ecological safety, low cost, and high efficiency in *Cibotium barometz* seedling cultivation, completely abandoning the existing method of sterilized substrate + tissue culture. It pioneers a zero-sterilization direct seeding technology using native soil, resolving the core contradiction between the harmful effects of sterilizing agent residues and the destruction of beneficial microorganisms. By utilizing locally sourced materials and natural forest light, the cost per seedling is reduced to ≤0.25 yuan, significantly lower than traditional techniques (≥3 yuan / seedling). Simultaneously, the seedling cultivation cycle is shortened by more than 30%. Relying on the natural microbial community of the native soil and the natural environment under the forest, the seedlings exhibit strong resistance and a high transplant survival rate (≥75%), achieving efficient integration of seedling cultivation and planting.

The culture dish comprises a dish body and a dish cover, the dish cover is detachably arranged on the dish body, and two through holes are formed in the dish cover at intervals; the water adding assembly comprises a water adding pipe, an upper blocking piece, a connecting piece and a lower blocking piece, a plurality of water drainage holes are formed in the water adding pipe, the water adding pipe is detachably connected with one of the through holes, the upper blocking piece is connected with the lower blocking piece through the connecting piece, a baffle is arranged on the lower blocking piece, and the water drainage holes are formed in the water adding pipe. The upper blocking piece is detachably connected with the water adding pipe, and the lower blocking piece can slide in the water adding pipe; and the gas-permeable membrane assembly is connected with the water adding pipe and is arranged above the other through hole. According to the pteridophyte prothallus culture vessel, the inside of the vessel body can be ventilated with the outside under the condition that the vessel body is not polluted, water can be quantitatively added irregularly, and the fertilization rate in the pteridophyte prothallus culture process is increased.

The application discloses a kind of fusion fern ore-indicating multi-source remote sensing rare earth ore prospecting method and system, belong to mineral resources exploration technical field, by multi-source remote sensing data acquisition weathering crust type rare earth ore ore-forming factor remote sensing characteristics, preliminary delineation potential area, deploy the unmanned aerial vehicle of carrying VNIR camera to obtain high-resolution image, with texture, form and spectral index comprehensive extraction fern distribution information, and fern coverage result is down sampled to with other characteristics consistent resolution, form fern coverage layer.Coupling of biological indicator (ferns) and traditional rock-mineral-structure-landform ore-indicating factors, significantly improve the positioning accuracy and exploration efficiency of weathering crust rare earth ore.

The application provides a method for breeding Cycas revoluta spores, comprising the following steps: 1) a first nutrient medium comprising Cycas revoluta spores is subjected to light treatment at a temperature of 24-26 DEG C and a light intensity of 1000-6500 lux for 24 hours per day to obtain prothallus; and 2) a second nutrient medium comprising the prothallus is subjected to light treatment at a temperature of 24-26 DEG C and a light intensity of 1000-3500 lux for 24 hours per day to obtain a sporophyte. The method for breeding Cycas revoluta spores provided by the application greatly shortens the time for forming sporophytes by limiting the temperature, light intensity and light time of the first nutrient medium comprising Cycas revoluta spores and the second nutrient medium comprising the prothallus, solves the problems that the time for breeding and raising seedlings from spores of ferns is relatively long and in-vitro breeding and differentiation are difficult, and provides technical support for the breeding of ferns.