34results about How to "Large seedling yield" patented technology

The invention provides a method which is applied to direct sowing and seedling of yellow ginger seeds in large scale in a greenhouse. The method comprises the following steps of place selection for anursery garden, pretreatment of seeds, uniform sowing in greenhouse surface after dividing the compartment, prophase management after seedling emergence, middle-later period management after seedlingemergence, transplanting after seedling emergence, and the like, wherein three scientific nutrient solution compounding are used in the management after seedling emergence and the transplanting afterseedling emergence, thus providing reasonable nutrition proportion for each growth stage of the seedling and ensuring various nutrition elements required by the growth of the seedling. The method hasthe advantages of reducing the amount of pesticide, easily and conveniently obtaining seedling, having high utilization ratio of fertilizer, few broken roots, little workload, quick growth after transplanting with soil and capability of continuously breeding for more than 3 years by replacement of seedbed substrate and treatment of soil, improving the using efficiency of the greenhouse and reducing the production cost.

The invention discloses a tilapia fry rearing method. The tilapia fry rearing method comprises the following steps: breeding parent tilapia fries which are bigger than nine-sieve, picking parent tilapias which are disease free, injury free, strong and good in sexual maturity to rear, hybridizing the female parent tilapias and with the male parent tilapias according to ratio of stocking, picking up roes, incubating the roes with flowing incubating water in an incubating tank, cultivating the roes by marking in bold, and cultivating fries. Oviposition period is shortened by about seven days, incubating rate is as high as 67.9%, fry survival rate is 89.6%, each female tilapia lays 6700 fries each year averagely, fry production rate is improved by 30%, and the sizes of the fries are uniform. By means of the tilapia fry rearing method, fries can be reared all through a year, a large amount of tilapia fries are reared and the tilapia fries grow fast and are strong in stress resistance. The tilapia fries reared in mass are born at the same time, gonad developments are synchronous, sizes are the same, characters are unified, and heredity purity is high. Moreover, the tilapia fry rearing method has the advantages that incubating period is short, incubating efficiency is high, inheritable characters are good, fertility is strong, and fries can be reared in an overwintering mode.

The invention provides a large-scale mappia pittosporoides direct seeding and seedling method. The method includes a series of steps such as nursery site requirements for mappia pittosporoides direct seeding and seedling, greenhouse erection and compartment division, seed pretreatment, seeding, management before germination, preliminary management after germination, seedling transplantation, field management after transplantation, etc. Seedlings obtained through the method achieve a low infection rate, high robustness, a high transplantation survival rate, as well as strong rootstocks; the operation is simple and convenient; the method is applicable for propagation technologies for mappia pittosporoides field seedling, and overcomes the limitations of the conventional seedling technologies.

The invention relates to the propagation of Sargassum thunbergii, in particular to a method for quickly propagating the Sargassum thunbergii by a method of main branch fragment tillering, which comprises the following steps: 1) alcohol with a volume concentration of 75 percent used by the main branch of the Sargassum thunbergii is adopted for dipping the main branch for 25 to 23 seconds; and then a plurality of disinfected seawater is adopted for quickly washing the main branch for 3 to 4 times; 2) the main branch of the Sargassum thunbergii strain is sheared into fragments with a length of 2 to 3cm; the fragments are arranged in a container to culture; universal ES seawater culture liquid is adopted as a medium for ventilation culturing; and when the tillers of the fragments can achieve 1.5 to 3.5cm, the fragments are taken out from the container and the tillers are cut off by a disinfected bistoury; and 3) the cut off tillers are continuously propagated and cultured by adopting the conditions in the step 2) or directly used for the large-scale gripping mariculture. The method is simple to be operated and low in cost; regenerated seedlings can be produced in a circularly; moreover, the method plays the remarkable role of protection on the natural environment.

The invention discloses a xanthoceras sorbifolia culture method, which relates to the xanthoceras sorbifolia rapid propagation technology and belongs to the technical field of plant tissue culture. The xanthoceras sorbifolia culture method solves the problem of phenomenon of one fruit of thousands of flowers of the xanthoceras sorbifolia. Therefore, the xanthoceras sorbifolia has high seedling differentiation rate, high propagation speed and high seedling yield. The xanthoceras sorbifolia realizes the micropropagation at the speed of several times each month, and the resource regeneration and the utilization of the micropropagation are reached through tender stem or stem tip culture. The xanthoceras sorbifolia culture method has the beneficial effects that the seedling development is healthy and strong, the planting survival rate is high, the seedling raising is early, the growth period is long, the seedling lignification degree is improved, the seedling cold resistance and overwintering capability is enhanced, the seedling raising time is short, the cost is low, and the seedling yield in the unit area is high.

The invention discloses a sepia-lycidas flow-type artificial fry breeding device. The sepia-lycidas flow-type artificial fry breeding device comprises a solid-liquid separation pond, an ammonia-nitrogen processing pond, a foam separation pond, a mechanical degerming device, an ultraviolet lamp and a culture pond which are sequentially connected to form a loop. The mechanical degerming device comprises a cylinder provided with an inner cavity; a piston capable of being driven by external force to slide in a reciprocating mode is arranged in the inner cavity of the cylinder; the cylinder is further provided with a liquid inlet channel and a liquid discharging channel, a liquid inlet valve rod is arranged in the liquid inlet channel, and a liquid discharging valve rod is arranged in the liquid discharging channel; the liquid inlet valve rod and the liquid discharging valve rod can be driven by the external force to control the inner cavity of the cylinder to be communicated with or insulated from the outside in a time-segmented mode; the liquid inlet channel is connected with a homogenate tank which can provide homogenate fluid; an air groove is formed in the inner wall of the cylinder; the distance between the two end portions of the air groove is greater than the thickness of the piston. The sepia-lycidas flow-type artificial fry breeding device has the advantages of being small in water change quantity, good in water processing effect, low in operating cost and manufacturing cost, good in stability, capable of producing a great number of fries and controlling the ammonia-nitrogen processing scale according to requirements, good in disease control effect and environmentally friendly.

An in vitro incubation and culture technique for Eriocheir japonica sinensis includes such steps as providing the living costegite crab, shearing out costegopod, hanging it from supporting frame, aerating while incubating in the water at 16-25 deg.C with salinity of 30-34, and culturing the larvae while controlling water quality.

The invention relates to a seedling cultivation method of codonopsis lanceolata. After nursery garden site selection, shed erecting, seed treatment, sowing density control, management before seedling emergence, fertilizer and water management after seedling emergence, pest and disease damage control, middle-late period management after seedling emergence, transplanting after seedling emergence and other steps, codonopsis lanceolata seedlings are obtained. Two kinds of scientific nutritional formulations are applied, a reasonable nutritional proportion is provided for all growth stages of seedlings, and all kinds of nutrient elements needed for the seedling growth are ensured. The use of pesticides is reduced, the utilization efficiency of fertilizers is high, seedlings are easy and convenient to obtain, the quantity of broken roots is small, labor consumption is small, and codonopsis lanceolata grows quickly after being transplanted with soil.

The invention provides a novel method for breeding kelp seedlings with a gametophyte cloning method, comprising the following steps of: respectively separating a female cell on a female gametophyte and a male cell on a male gametophyte under a microscope by using a capillary tube separation technology; then respectively cloning the female cell and the male cell by using a cloning vegetative propagation technology to respectively grow the female cell and the male cell into female and male gametophytes; continually breeding the gametophytes; when the gametophytes are bred to a fixed amount, damping a formed cell cluster by a cell stamping machine; mixing the female and male gametophytes and respectively releasing ova and sperms by the female and male gametophytes to spontaneously fertilize;putting fertilized zygotes into nutritive salt to be cultured; and after 10 weeks, obtaining seedlings with the height of about 1.5 cm. According to the invention, a fertilization process and the control of temperature and illumination are realized by manual operation, so that the growth period of offspring seeds is greatly shortened; meanwhile, the female cell and the male cell are separated from the gametophytes by using the capillary tube separation technology to clone and culture, so that the quality and the yield of the seedlings are improved, the cultivation of the kelp can be satisfied; and by utilizing the novel method, the cost for breeding the kelp seedlings is low.

The invention relates to the technical field of planting, and particularly discloses an efficient pepper matrix seedling raising method which comprises the following steps of (1) seedbed preparation; (2) seedling matrix treatment; (3) germination accelerating; (4) sowing; (5) seedling management; and (6) temporary planting and management. According to the method, a matrix is laid on a seedbed padded with a thin film for seedling raising, and compared with 60-hole tray seedling raising, the seedling yield can be increased by 35% under the same seedling shed area. In the seedling raising process, a 150-fold solution of biological nano-selenium microbial fertilizer 'Zhenxi', a 300-fold solution of an intense fermentation fertility increasing solution 'EM stock solution', a 3000-fold solution of a synergist 'Beibeijia', a 600-fold solution of amino acid-containing water-soluble fertilizer 'Yuhuanling No.2' and the like are comprehensively used, and compared with a traditional method, the germination rate of pepper seeds can be increased, pepper seedling growth is facilitated, and the pepper seedling quality is improved.

The invention discloses an unorganized layering propagation method of wild roses. The method comprises the following steps of (1) layering time and branch selection, (2) seedbed and matrix selection,(3) layering operating and (4) post-layering management. According to the unorganized layering propagation method of the wide roses, propagation and seedling culture can be conducted in a period whencutting propagation or normal layering propagation cannot be conducted to increase chances of seedling-culture production so that the production rate can be improved; meanwhile, raw materials are saved, wherein only one bud is needed to produce one seedling, so that the use ratio of seed tree branches is improved; the propagation method has the advantages that the seedling emergence rate is high,the preserving rate can reach 98% or above, the speeds of rooting and germination are high, and operation is simple.

The invention relates to the technical field of fry incubation and cultivation, and particularly relates to an artificial cultivation method for culter alburnus. The method comprises the following steps: (1) performing parent fish cultivation; (2) performing parent selection; (3) performing parent temporary cultivation; (4) performing artificial inducement for spawning; (5) performing fry incubation. By virtue of restricting a parent fish cultivation pool as a flowing water source which is nearly free from pollution, and replacing whole water in the pool every two days, the external environment for parent fish cultivation is clean and sanitary and is beneficial to healthy life and growth of parent fish; by virtue of replacing with fresh water every two days, the oxygen uptake function of the parent fish is relatively good; the internal water depth of the pool is 1.0 to 1.2m, the water surface area of each pool is 2.0 to 3.0mu, the internal water temperature of the pool is kept within a range of 24 to 25 DEG C, so that the flowability of water in the pool is relatively good, the water replacement capability is relatively good, the problem that the water replacement purpose cannot be realized due to relatively static water at the bottom of the pool is avoided by virtue of suitable depth, and too large water depth hardly enables the temperature of water at the bottom to be within the required range.

The invention provides a seedling growing method of seeds of Lingxianteng herba clematidis. The seedling growing method comprises the steps of land selection, greenhouse put-up and room building, seedtreatment, sowing, pre-management and after-treatment of seedling emergency, seedling transplanting and the like. The obtained seedlings are extremely low in infecting rate, and the survival rate oftransplanted seedlings reaches 95% or above; the seedlings are robust, leaves are dark green, roots are robust, thick and white, rhizomes are thick and robust, and the diameter is 0.4 cm or above, andthe seedlings grow vigorously; the seedling growing density is large, the seedling yield of unit area is large, and the benefit is obvious.

The invention provides a direct sowing and seedling culture method by spreading hedyotis herb seeds, and aims to solve the problems that a spreading hedyotis herb seedling culture method is high in young seedling disease affliction rate and cost and low in transplanting survival rate, seedlings are not strong or neat and the like. The spreading hedyotis herb seeds are subjected to the steps of nursery garden land selection, sowing time selection, low-temperature inducement treatment, shed setup and car opening, sowing density management, management before seedling emergence, early management after seedling emergence, mid-late management after seedling emergence, emerged seedling transplantation and the like. According to the method, spreading hedyotis herb seedling culture land selection requirements are standardized, land selection, land use and soil treatment are performed according to regulations, emergence rate is high, the young seedling disease affliction rate is very low, the seedling transplanting survival rate reaches 98% or more, seedling culture density is high, the seedling yield is high in unit area, and benefits are remarkable. Reasonable nutritive proportions are provided for various growth stages of young seedlings by two scientific nutrition formulas, various nutritional elements needed for growth of the young seedlings are ensured, the use efficiency of a greenhouse is improved, and production cost is reduced.

The invention provides an Allium funckiaefolium seedling cultivation method. The Allium funckiaefolium seedling cultivation method includes: land selection, shed establishment and bed building, seed treatment, sowing, management before and after emergence, and seedling transplanting. The land selection demand for Allium funckiaefolium seedling cultivation is normalized; land selection, land use and soil treatment is performed according to the method, and the survival rate of seedling transplanting can reach above 95%. The seedlings are healthy and strong, and are green in leaves; and root systems of the seedlings are many, thick, and white, rootstocks of the seedlings are thick, and the diameter of the rootstocks is above 0.4 cm, and the seedlings are vigorous.

The invention discloses a method for raising squaliobarbus curriculus parent fishes by utilizing a net cage, and relates to the technical field of aquaculture. The method comprises the steps of raising environment treatment, net cage arrangement, fingerling putting, feed feeding, net cage replacement, feed replacement and the like. According to biological characteristics of squaliobarbus curriculus and growth stages of squaliobarbus curriculus in the net cage, squaliobarbus curriculus is fed with different feeds, and the demand of squaliobarbus curriculus for nutrition is met. According to the method for raising squaliobarbus curriculus parent fishes by utilizing the net cage, the raising density of squaliobarbus curriculus can be increased, and the maturing rate of the parent fishes and the unit fry reproduction rate of the parent fishes are increased.

The invention provides a direct seeding and seedling growing method using Liparis nervosa seeds. The method includes the following steps: selection of a land for nursery for direct and seedling growing using the Liparis nervosa seeds according to requirements, seed treatment, scaffold erecting and compartment opening, seeding at a required time according to a required density, pre-emergence management, post-emergence early stage management, post-emergence middle and later stage management, and seedling transplantation. Low temperature treatment activation is carried out to achieve a high emergence rate, robust seedlings, dark green leaves, many, thick and white roots, thick and strong rhizomes with the diameter being 0.4 cm or more and vigorous growth. The method has the advantages of large seedling density, high seedling yield per unit area, and significant benefit.