128results about How to "Easy to grow seedlings" patented technology

The invention discloses a method for improving cold and disease resistance of tobacco, which includes: raising tobacco seedlings by floating process, inoculating mycorrhizal fungi 2-3cm below sowing positions of tobacco seeds in each foamed floating porous seedling tray filled with substrate, guaranteeing each single tobacco plant to contain 90-150 spores of the mycorrhizal fungi, sowing the tobacco seeds, cultivating, and waiting for tobacco seedlings to grow up; and inoculating phosphate-solubilizing microorganisms liquid inoculant for two to five times in two weeks before transplanting of the tobacco seedlings, guaranteeing inoculation amount to be 103-105 phosphate-solubilizing microorganisms per tobacco seedling each time, transplanting the tobacco seedlings, covering with earth, andmanaging the tobacco seedlings conventionally. By using the method to treat tobacco, the cold and disease resistance of the tobacco is improved, and nutrition and growth of the tobacco can also be improved.

The invention discloses a fungus for promoting the symbiotic germination of paphiopedilum hirsutissimum seeds and application thereof. The strain PhI17 provided by the invention is identified as Epulorhiza sp., the preservation number of the strain PhI17 is CGMCC No.6756. According to the invention, the strain PhI17 and the paphiopedilum hirsutissimum seed are subjected to co-culture, so that the germination of the paphiopedilum hirsutissimum seeds can be successfully promoted, the growth of seedlings can be further promoted, and leaves capable of photosynthesizing are grown; and the seedlings are transplanted to a matrix for culture, and the seedlings can all survive and well grow. The method provided by the invention can promote the germination of the paphiopedilum hirsutissimum seeds or is used for carrying out culture of paphiopedilum hirsutissimum seedlings, is easy to operate and low in cost. The fungus disclosed by the invention has important economic value on the artificial breeding of paphiopedilum hirsutissimum.

The invention relates to a large-scale seedling-culturing method for cultivating cassia sophera seedlings without bacterial infection by utilizing cassia sophera seeds in a direct seeding mode, which solves the problem that the existing seedling-culturing land has no selecting standard, and seedlings are low in sprouting percentage, high in infective rate of putridity at the seedling stage, dark in root system, small in earthnut, weak, high in death rate and low in survival rate after being transplanted. New sandy soil with good breathability or rice fields are utilized, a shell breaking machine is utilized to carry out partially shell breaking, and seeds are used for cultivating the seedlings in the direct seeding mode by means of prepared matrixes laid on a seed bed to reduce rice field. Mulching films are utilized to keep the temperature and the humidity of the ground. By spraying prepared nutrient solution by stages, needs for nutrient of the seedlings are met, environment is clean, the plant diseases and the insect pests are reduced, the seedlings are robust, root systems are strong and white in color, rhizomes are thick and strong, the infective rate of putridity is low, the survival rate after transplantation is high, operation is simple and convenient, and the seedling-culturing method is suitable for cultivating the cassia sophera seedlings in a large-scale mode. Strong seedlings can be cultivated more than zero point four million per mu, and the survival rate after the transplantation reaches to above 98%.

The invention relates to a method for planting seed in water, especially uses crop water induce liquid. The invention uses seeding disc, base medium and crop water induce liquid to replace present nourishment to plant seed in water, to improve the yield and quality, and increase the nourishment content. The invention can transplant the seed with two blades and one corn. The inventive method can be processed in room while the root system is developed to absorb nourishment quickly. The invention has simple operation, with the application for the plant with one blade and one corn, and four blades and one corn.

The invention provides a method for breeding rhizoma panacis majoris seedlings in high and cold areas and belongs to the field of planting of medicinal plants. The method for breeding the rhizoma panacis majoris seedlings in the high and cold areas comprises the steps of building a breeding greenhouse and a breeding platform, preparing a matrix, performing sowing, seedling management and transplantation, wherein the breeding greenhouse is firstly built, then the breeding platform is set up, the matrix for breeding seedlings is prepared by mountain forest humus soil, burned soil and river sand according to the proportion of 5:3:2, and the seedlings are bred for 14-16 months and are transplanted after the height of the seedlings reaches 5-6 cm. The method is suitable for breeding of the rhizoma panacis majoris seedlings in the high and cold areas with the elevation ranging from 1800 m to 3000 m, the seedling breeding time can be effectively shortened, the survival rate and quality of the rhizoma panacis majoris seedlings are improved, the survival rate of the seedlings can be higher than 90%, and the seedlings are in order and healthy. The seedlings are bred by using breeding plates, land selection, soil preparation and water draining for preventing waterlogging are not needed, and the seedlings are quick, simple and convenient to breed.

The invention discloses a method for efficiently propagating dendrobium by using roots and a culture medium of the dendrobium. The method in the invention comprises the following steps of: selecting a root section of the dendrobium, and incubating and inducing the root section to obtain an embryonic callus, wherein the embryonic callus can be greatly multiplied through subculture; transferring the embryonic callus into a protocorm induction culture medium for induction and multiplication to obtain protocorm and bud seedlings; and transferring the protocorm and the bud seedlings into an adult seedling culture medium and culturing a dendrobium rooting plant. According to the method, MS is used as a basic culture medium; 6-BA and PIC are required to be added into the culture medium for the embryonic callus induction or subculture; CPPU and NAA are required to be added into the culture medium for the protocorm induction. The method for culturing regenerated plants by using the dendrobium roots provided by the invention is high in propagation coefficient, high in planting percentage and low in cost; a seedling growing process, a seedling robusting process and a rooting progress of the protocorm can be further finished; the plants are robust, and the roots are robust.

The invention belongs to the field of plant tissue culture of plant cell engineering techniques, and in particular relates to a tissue culture propagation method for reducing the tissue culture browning rate of traxacum koksaghyz. The tissue culture propagation method comprises the following steps: inoculating, namely, selecting mature seeds of a traxacum koksaghyz strain; performing induced differentiation on calluses; inducing callus formation; proliferating adventitious buds; performing rooting culture; separating multiple shoots into single plants, and transferring to a rooting culture medium for rooting culture; performing acclimatization and transplantation, thereby obtaining regenerated plants of traxacum koksaghyz. By adopting the tissue culture propagation method, a method for effectively reducing the tissue culture browning rate of traxacum koksaghyz and rapidly propagating traxacum koksaghyz is provided, the tissue culture browning rate of traxacum koksaghyz is greatly reduced through technical measures such as adjusting components of culture mediums used in different stages and adding an antioxidant, the propagation coefficient of traxacum koksaghyz is improved, the browning rate can be reduced to be less than 35% when the culture mediums provided by the invention is adopted, and the browning rate can be further reduced to be less than 10% when Na2S2O3 is added.

The invention discloses a seed soaking device for agricultural seedling culture, and belongs to the field of agriculture. The seed soaking device comprises a seed soaking box, a water inlet pipe is arranged on the side wall of the seed soaking box, a telescopic rod is arranged on the lower surface of a horizontal plate, the bottom end of the telescopic rod is connected with a fixed circular ring,a seed soaking mesh basket is detachably arranged on the fixed circular ring, an ultraviolet sterilizing lamp is mounted on the inner wall of the seed soaking box, an inclined guide plate is arrangedat the bottom end of the seed soaking box, a water discharging pipe is arranged at the lowest end of the inclined guide plate, a heater is mounted on the inclined guide plate, a pesticide adding pipeis arranged on the seed soaking box, one end of a spraying pipe is connected with the water inlet pipe, a plastic hose is arranged at the other end of the spraying pipe, and a spraying disk is arranged on the plastic hose. According to the seed soaking device, agricultural seeds are soaked underwater and cannot be floated on the water surface, proper water temperature and water flowing are ensuredin the seed soaking process, seed soaking efficiency and effect is improved, breeding and propagating of harmful bacteria on the seeds are avoided, eggs on the seeds are killed, safe seedling cultureof the seeds can be ensured, the germination rate of the seeds is increased, and growth of the seeds is facilitated.

The invention relates to a method for quickly cultivating the orange lamp table (Primula bulleyana), comprising explant selection, surface disinfection, adventitious induction, generation cultivation, rooting cultivation, and tube seed transfer. With said invention, one axillary bud can be induced into 40-50 buds, while the increment factor is 3-4 via 30-40 days of generation and the rooting rate can reach 95%, and the yield can reach 100%. The invention can improve the seeding ability of orange lamp table (Primula bulleyana), shorten the seed time and reduce the cost.

The invention discloses a Hibiscus aridicola Anthony purple flower excellent single plant tissue culture rapid propagation method. Hibiscus aridicola Anthony purple flower excellent single plants areadopted as explants, and through a series of culture steps of explant sterilixation, induction, differentiation, proliferation and rooting, the bottle neck problems of tissue culture rapid propagation, introduction and domestication and commercial development and application of Hibiscus aridicola Anthony are effectively solved, the situations that natural plants are reduced and natural vegetationregions are damaged because of over-use of wild resources are effectively avoided, and particularly the method has the beneficial effect of maintaining stability of special shapes of excellent singleplants. The method has a very good development and application prospect. By adopting the method, the induction differentiation rate is 80%, the breeding cycle is 30 days, the growth coefficient is 4,the rooting rate is 95%, the transplanting survival rate is 92%, the reproduction number and the growth velocity of the Hibiscus aridicola Anthony are greatly increased, and technical supports for introduction and domestication, preservation and on-scale production of the specimen are provided.

The invention relates to the technical field of pueraria lobata planting, in particular to a planting method of high-yield pueraria lobata. The method comprises the following steps that during planting, front surfaces and reverse surfaces of pueraria lobata seedlings are distinguished, the smooth surfaces face upwards, and the surfaces with spores face downwards and are in contact with soil; during planting, the pueraria lobata seedlings are planted at the angle of 45 degrees, when many pueraria lobata seedlings grow, small and bad pueraria lobata seedlings need to be cut off, 1-3 good-qualityroots are reserved, and all the seedlings are evenly placed in pits separately; during planting, the head directions of the pueraria lobata seedlings are unified; during planting, soil covers the spores, and pueraria lobata heads are exposed; during planting, fine and loose soil is taken by hands to cover the pueraria lobata seedlings, then the soil is slightly pressed by hands, and then the pitsare filled with a large amount of soil; after planting, each plant is watered with 1-3 kg of rooting water immediately, and better growth and development of the pueraria lobata seedlings are guaranteed. According to the planting method, a traditional planting method of pueraria lobata is improved, the yield of pueraria lobata is increased, and the method is beneficial to planting and popularization of pueraria lobata.

The invention provides a tissue culture and rapid propagation method for a rare and endangered plant, i.e. Primula beesiana var. leucantha (Balf. f. et Forr.) Fletcher. The method comprises the steps of selecting stem apexes of Primula beesiana var. leucantha (Balf. f. et Forr.) Fletcher as explants and carrying out cluster bud induction, proliferation, rooting culture and test-tube plantlet transplanting. The method has the most important characteristics that during culture, the traditional tissue culture manner is broken through, the process is simplified, a proliferation and rooting integrated culture medium is adopted, and the propagation time is greatly shortened. With the adoption of the method, the situation that about five clusters are generated through the induction of one stem apex in one culture cycle and each cluster has about ten new buds can be achieved, the rooting rate reaches 100%, and the survival rate of transplanting is over 95%, so that the reproductive capacity of Primula beesiana var. leucantha (Balf. f. et Forr.) Fletcher is greatly improved, and a technical support for the germplasm conservation and scale production of Primula beesiana var. leucantha (Balf. f. et Forr.) Fletcher, which is a rare and endangered plant, is provided.

The invention provides a special substrate for preserved vegetable seedling raising, and belongs to the technical field of plant fertilizer manufacturing. The special substrate is prepared from livestock manure, sawdust, grain husks and plant ash, and further comprises vegetable leaf residues and a traditional Chinese medicine substrate. The vegetable leaf residues are composted in the steps that the vegetable leaf residues are piled, sprayed with clean water, covered with thin films and fermented, the thin films are removed, the vegetable leaf residues are spread and ventilation to be naturally dried, and then the vegetable leaf residues are smashed and screened. Chinese herbal medicine is processed in the steps that herba houttuyniae, chinese prickly ash, chinaberry bark, garlic, angled bittersweet, root of Rhamnus crenata Sieb.et Zucc., fructus quisqualis, rhubarb and folium eucalypti are steamed without making contact with water, then the materials are put into a stirrer to be smashed into paste, and the required traditional Chinese medicine substrate is obtained. Good fertilizer efficiency can be achieved, the traditional Chinese medicine substrate can kill bacteria and dispel insects in the preserved vegetable seedling raising process, and harmful bacteria or pest invasion on preserved vegetables is reduced or avoided; meanwhile, the special substrate is simple in manufacturing process, high in fertilizer efficiency and capable of effectively increasing economic benefits of farmers.

The invention belongs to the field of ornamental plant transgenic technology, particularly relates to a method for culturing transgenic dianthus and more particularly discloses a method for culturing transgenic dianthus by taking agrobacterium-mediated embryogenic callus of the dianthus as a material. The method comprises the following steps of embryogenic callus induction, genetic transformation, screening and regeneration, GUS (glucuronidase) coloration detection and PCR (polymerase chain reaction) detection. The method is characterized in that the GUS report gene and the ACO target gene are introduced into the receptor which is the embryogenic callus of the ianthus through agrobacterium mediation, different factors affecting the embryogenic callus transformation are screened, kanamycin or hygromycin is used as a screening agent to screen the transformed embryogenic callus, and the screening is carried out through GUS coloration, PCR detection and other auxiliary methods to obtain the transgenic dianthus. The invention provides a novel technology platform for the innovation of the germplasm resources for the genetic transformation of the dianthus.

The invention provides a Bacillus mucilaginosus, collected under CCTCC NO: M2015175 and named Bacillus mucilaginosus NGW1, and solves the problems that an existing biological potassium fertilizer has instable microorganism potassium-dissolving effect and growth promoting effect and is lack of colonizing capacity. The Bacillus mucilaginosus NGW1 is further fermented and is compounded with a wheat bran carrier capable of promoting Bacillus mucilaginosus NGW1 to play, to obtain a potassium-dissolving microbial agent, which is applied to crops to give stable yield-increasing effect, high ability of bacteria to survive in soil and good soil improvement effect. A fertilizer application method increasing crop yield is further provided, germs are proliferated using a carrier as a nutrient substance to further disintegrate minerals, thus promoting soil consolidation, potassium release and potassium absorption by crops, the method can decrease the usage of chemical potassium fertilizer, save resources, improve the soil, and increase crop yield and quality. A method of significantly increasing crop germination rate is also provided which is good for raising crop seedlings.

The invention relates to the cultivation field of polygonatum multiflorum, provides a Polygonatum multiflorumtissue culture seedling transplantation method, and solves deficiencies of low survival rate, low root stock bud eye quality and complicate operation of a tissue culture seedling transplantation method in the prior art. The tissue culture seedling transplantation method comprises steps of (A) hardening tissue culture seedlings, (B) preparing matrix and manufacturing a seedling bed, (C) transplanting seedlings, (D) controlling diseases and pests and (E) applying fertilizer.

The invention discloses a special substrate for soilless seedling of mustard. The substrate comprises perlite, grass carbon, sawdust, mustard leaf residues and Chinese herbal medicine residues. According to the substrate, the mustard leaf residues which are thoroughly decomposed are used as organic fertilizers to supply nutrients to a seedling process. The substrate also comprises the Chinese herbal medicine residues, and a large number of various nutrients such as nitrogen, phosphorus and potassium needed by plant growth development in the Chinese herbal medicine residues supply rich nutrition. According to the loose structure of the medicine residues, the substrate has the advantages of looseness, breathability, moisture preservation and fertility preservation. Compared with a conventional soil seedling substrate of the mustard, the special substrate for the soilless seedling of the mustard has the advantages of small pest and disease damage, low cost, high survival rate, high disease resistance and high yield; meanwhile, wastes are turned into treasures, and the cost is reduced.

The invention discloses a tissue culture propagation method for rhododendron hancockii. The method is suitable for tissue culture quick propagation for ericaceae rhododendron hancockii and belongs to the technical field of plant biology. Bloomed fresh and tender stems are used as explants, and a series of steps of explant disinfection, cluster bud induction, subculture, seedling strengthening and ex vitro rooting are carried out; the problem that the quantity of plants is small due to a small rhododendron hancockii distribution region and difficulty in introduction and domestication and the problem that the requirement on commercial spice extraction cannot be met as the time for sowing seeds and flowering the seeds is long are effectively solved. According to the tissue culture propagation method, the propagation coefficient within one month is 10-20, the rooting rate is 80-90 percent, and the transplanting survival rate is 95-98 percent; the propagation coefficient of the rhododendron hancockii is greatly increased; a technical support is supplied for introduction and domestication, storage and commercial production of the species.

The invention belongs to the technical field of agricultural planting. A method for planting camellia oil trees comprises the first step of cutting collection, the second step of cutting seedling raising, the third step of transplanting, the fourth step of deep fertilizing, the fifth step of foliar fertilizer applying and the sixth step of trunk determination and shaping. According to the method,high-quality branches are selected as cuttings, the cuttings are treated withh a rooting solution, and the rooting of the cuttings is promoted; special nutrient soil is used for seedling raising, so that the quality of seedlings can be effectively improved; a proper amount of decomposed farmyard manure and a slow-release insecticide are applied to the transplanting soil, so that nutrients requiredby the growth of the camellia oil trees are provided, and plant diseases and insect pests are reduced; a special fertilizer for the camellia oil trees is applied deeply, so that all nutrients required by the growth of the camellia oil trees are provided; the camellia oil trees grow vigorously by applying a foliar fertilizer; the illumination intensity of the camellia oil trees is enhanced throughtrunk determination and shaping, accumulation of tea saponin and flavone of the camellia oil trees is promoted, the yield and the oil content of tea fruits are increased, the quality of the tea fruits is improved, and the economic benefit is further improved.

The invention provides self-controlled seedling culture equipment special for agricultural planting. The equipment comprises a seedling culture box body; a water storage tank is fixedly arranged on the right side of the seedling culture box body; a water pump is fixedly arranged at the bottom of an inner cavity in the water storage tank; a water inlet pipe is communicated with the left side of thewater storage tank; the end, far away from the water storage tank, of the water inlet pipe penetrates through the right side of the seedling culture box body and extends to the inner cavity of the seedling culture box body; and a U-shaped conveying pipe is connected to the end, located in the inner cavity of the seedling culture box body, of the water inlet pipe in a threaded mode. The self-controlled seedling culture equipment special for agricultural planting has the advantages that the water storage tank, the water pump, the water inlet pipe, the U-shaped conveying pipe, sprinkler pipes and sprinkler heads are arranged, the water pump conveys water in the inner cavity of the water storage tank into the interior of the U-shaped conveying pipe through the water inlet pipe, then the waterpasses through the sprinkler pipes to be supplemented to the interiors of culture utensils through the sprinkler heads, and therefore the operation is simple, the use is convenient, meanwhile, through the cooperation of a motor and a rotating shaft, water supplementing can be more uniform, and the phenomenon that the growth of seedlings is different due to uneven water supplementing can be avoided.

The invention discloses an aseptic germinating and rapid propagating method for hibiscus aridicola anthony seeds. According to the aseptic germinating and rapid propagating method for the hibiscus aridicola anthony seeds, by taking mature hibiscus aridicola anthony seeds as explants, and performing a series of cultivation steps of sterilizing the explants, performing aseptic germinating on the seeds, proliferating and rooting, the problems about artificial reproduction, introduction and domestication, and development and utilization of the hibiscus aridicola anthony in landscape gardening areeffectively solved, and the problems that the number of natural plants is reduced and a natural vegetation area is destructed because of excessive utilization of wild resources are effectively avoided; the aseptic germinating and rapid propagating method for the hibiscus aridicola anthony seeds has important significance in the aspect of development and utilization. According to the method provided by the invention, the seeds start to germinate within 20 days; the aseptic germinating rate is 60 percent; the reproduction period is 30 days; the proliferation coefficient is 5; the rooting rate is98 percent; the transplanting survival rate is 95 percent; the proliferation number and the growth rate of the hibiscus aridicola anthony are greatly improved; technical support is provided for the introduction and domestication, gardening development, storage and scale production of species.

The invention relates to a crucian breeding quality improvement method. The crucian breeding quality improvement method comprises the following steps: 1, selecting parents; 2, constructing a pool; 3, cultivating the parents; 4, injecting hormone; 5, artificially fertilizing; and 6, hatching fertilized eggs. By improving the crucian growing environment and the manual injection and fertilization fishing ways, the method can improve the anti-stress capability of crucian and reduce the stimulation to the crucian and is beneficial to growth and breeding of the parents, the yield of the bred crucian is increased by 10-15%, and the survival rate of the fish fry is increased by 8-12%.

The invention provides a forestry seedling raising device and relates to the technical field of forestry seedling raising. The forestry seedling raising device comprises a seedling raising frame, moving pulleys are installed at the corners of the bottom of the seedling raising frame, multiple sets of installation sliding rails are symmetrically and fixedly connected to the two sides of the inner wall of the seedling raising frame, cultivation pot frames are installed between the multiple sets of installation sliding rails, and locking bolts corresponding to the cultivation pot frames are installed in the centers of the tops of the multiple sets of installation sliding rails; and a plurality of seedling raising barrels are movably installed in the centers of the tops of the cultivation pot frames, the center of the bottom of the seedling raising frame is fixedly connected with a water storage tank, a sealing cover is installed in the center of the top of the water storage tank, the bottom of one side of the seedling raising frame is fixedly connected with a supporting plate, and a micro water pump corresponding to the water storage tank is installed at the top of the supporting plate. By designing and installing the supporting structure, the cultivation and seedling raising structure, the automatic watering mechanism and the backflow filtering mechanism, cultivation and seedling raising of seedlings are facilitated, meanwhile, the automatic fertilization function can be achieved, and therefore, the working efficiency is greatly improved.

The invention discloses a soil mixing machine, which is an agricultural machinery, comprising a machine frame, a plough part, a rotary tillage part, a raking part and a land wheel, wherein the rotary tillage part is installed on the middle part of the machine frame, and the rotary tillage component on the rotary tillage part is a gear-shaped screw conveyer under the vertical state. The plough part is located at the front side of the rotary tillage part, and the racking part is located at the rear side of the rotary tillage part. The land wheel comprises a front land wheel located at the front side and a rear land wheel located at the rear side. The invention is suitably for the fields, such as agricultural experimental fields of which the soil needs to mix.

The invention discloses a method for original ecological planting of genuine shorthairy antenoron in Guangdong Conghua Heavenly lake. The method comprises the following steps that (A) Heavenly lake shorthairy antenoron tissue culture seedlings are obtained; (B) forest land selection and preparation are performed; (C) the Heavenly lake shorthairy antenoron tissue culture seedlings are planted; (D) field management is performed; (E) harvesting is performed, wherein the Heavenly lake shorthairy antenoron is harvested in harvesting season. The method successfully utilizes seeds high in germination rate, a culture medium rich in nutrition and a full-natural-light culture room to perform one-time and large-scale production of shorthairy antenoron seedlings, has the advantages of being low in cost and high in efficiency, is a high and new biotechnology for large-scale seedling production and can promote sustainable development of the shorthairy antenoron industry. The method for original ecological planting of the genuine shorthairy antenoron in Guangdong Conghua Heavenly lake ensures the original performance and treating effect of the variety, has the advantages of being low in cost, strong in genuineness, high in medicinal effect and high in selling price, is a method for original ecological planting of precious traditional Chinese medicinal materials and is unique, simple, affordable and high in application value.

The invention discloses a cultivation method for sugarcane seedlings. The method comprises the following steps that a seedling bed capable of storing water and draining water is built; firstly, a layer of bottom mud is laid above the seedling bed, water is sprayed to the bottom mud, and then the seedling bed is put under the blazing sun for quite a long time; then, a layer of sludge is laid abovethe bottom mud, ditches are dug in the two sides of the seedling bed, and the sludge is dried in air; finally, a layer of composite soil is laid above the sludge; seeds are sown above the composite soil; then, a plastic small shed is set up above the seedling bed; then, seedling management is performed, and after sugarcane seedlings grow to 15-20 cm, provisional planting and field planting are performed. According to the cultivation method for sugarcane seedlings, the operation method is simple, equipment and raw materials do not need to be specially machined, few manpower and material resources are consumed, the cost is low, the obtained sugarcane seedling germination rate is high, the growth speed is high, the sugarcane seedlings are robust, the root system is developed, the number of leaves is large, the transplanting survival rate is high, and the method has the good economic, social and ecological benefits and is suitable for large-scale application and popularization.

The invention discloses a processing technology of fibrilia for seedling base cloth, andthe processing technology flow is as follows: after mechanically and repeatedly rolling of the raw hemp, the fine fibrilia is obtained by facilitating pre-soaking, boiling, softening, dewatering and drying and mechanical post-treatment. The processing method realizes good degumming effect by using three flow steps of mechanical pretreatment, pre-leaching and boiling off, in particular to the degumming treatment of the fibrilia by using an acid-base coordination compound enzyme, the residual gum rate is low,the process flow is simple, and the fine fibers are favorably obtained. By using the softening and mechanical post-processing, the fine fibrilia is further obtained through slow carding, the strengthof the fibrilia is reduced, and the fiber is uniformly distributed, so that the prepared seedling base cloth has stable quality, and the mechanical property can well meet the requirement of seedlingraising and seedling cultivation.

The invention belongs to the technical field of planting reproduction, and particularly relates to an oil-tea camellia cutting seedling transplanting seedling culture substrate. The substrate is prepared from the following raw materials of yellow soil, plant ash, chlorella powder, banyan roots, emblic leafflower leaves, pine leaves and lichen. The prepared substrate has rich and comprehensive nutrition, is rich in various trace elements, a great amount of quick-acting nutrition such as N, P and K, rich organic matters, humic acid and bioactive substances, belongs to a good seedling culture substrate, is harmless feed both achieving quick-acting and slow-acting effects, and has the advantages that the growth requirements of transplanting seedlings can be met; the water preservation and fertilizer preservation capability is high; the fertilizer effect is durable; the disease-resistant insect-killing and bacterium-inhibiting effects are achieved; the obvious seedling culture and seedling strengthening effects are achieved; the seedling culture speed is high; the seedling culture resistance is high, and the like. The contained auxins and bioactive substances can supplement the nutrition required by the seedling growth; the sprouting rate is high; the photosynthesis is enhanced; the root system growth, particularly the growth of lateral roots is promoted; the middle and later period growth of the cutting seedlings can be facilitated.

The invention relates to the technical field of plant tissue culture and provides a tissue-culture rapid propagation method for craigia yunnanensis. According to the tissue-culture rapid propagation method, induction and differentiation culture are integrated, multiplication and subculture are integrated, and seedling strengthening and rooting culture are integrated, so that the culture method issimplified. The tissue-culture rapid propagation method has advantages that the problem of difficulty in short-time mass propagation, storage and sustainable utilization due to less natural resourcesof craigia yunnanensis can be solved, a biotechnological research gap of craigia yunnanensis is filled, and a foundation is laid for comprehensive development and sustainable utilization of craigia yunnanensis.

The invention provides an artificial breeding method for Lethrinus nebulosus Forskal. The artificial breeding method includes the steps: breeding pond setting; breeding pond water quality management;aerator management; larva fish three-stage breeding. The survival rate of fries can reach 90% under the condition of artificial breeding, fish bodies are healthy and strong, fat content is low and lower than 10%, the average body length reaches 40mm, selenium enrichment quantity reaches 1.5mg / kg or more, the Lethrinus nebulosus Forskal rapidly grows and is short in period, fresh and tender in texture and fresh and crispy in taste, Lethrinus nebulosus Forskal offspring seeds can be bred on a large scale, large-scale breeding requirements are met, and economic benefits and ecological benefits can be remarkably improved.