50results about How to "High reproductive survival rate" patented technology

The invention relates to a method for improving a reproduction rate of Tibetan sheep. The method comprises the following steps of: respectively mating the Tibetan sheep at three different mating time control points; lambing the mated Tibetan sheep at three different lambing time control points; weaning lambed Tibetan sheep at three different weaning time control points; implementing breeding supporting measures among the mating, and lambing and weaning time points, wherein the three mating time control points are respectively in March of the year, in October of the year, and in June of the following year; and the breeding supporting measures comprise supplementary feeding of service rams, nutrition regulation of breeding ewes and fattening of weaning lambs. The technology and the method are comprehensive, convenient to operate, and capable of fully displaying potentials of reproducible ewes and giving birth to the Tibetan sheep for three times in two years, increase the number of the Tibetan sheep, effectively improve the reproduction efficiency, and are suitable for breeding and production of the Tibetan sheep.

The invention discloses a cutting propagation method for a glede tea raw material plant. The method comprises the following steps of: selecting semi-lignified branches and trimming into branches of 5-10 centimeters with 1-2 leaves; and soaking the trimmed branches with a GGR (Greenplant Growth Regulator) rooting powder formula, cutting into sandy loam developed by shale, ridging a high furrow, digging grooves of which the depths are 5-10 centimeters, arranging the branches at the intervals 5 centimeters, covering with earth in a way of leaving 2-3 centimeters of the branches above the ground and exposing leaves, always keeping 50-70 percent of shade and keeping the soil moisture at 60 percent. The cutting propagation survival rate of the glede tea raw material plant is increased remarkably, and can be over 90 percent.

The invention belongs to the technical field of vegetative propagation of plants, and particularly relates to an accelerant facilitating plant cutting rooting.The accelerant is prepared from 4 parts of sinorhizobium fredii fermentation liquor, 3 parts of trichoderma aureoviride fermentation liquor, 4 parts of candida albican fermentation liquor, 3 parts of bacillus licheniformis fermentation liquor, 2 parts of gibberellin, 5 parts of grass carbon and 2 parts of dipotassium phosphate.The accelerant is a nutritional preparation special for asexual cutting rooting of torreya jackii, a good microecosystem can be formed, plant growth is promoted, beneficial microbiological florae are formed, nutrition environments of plant rhizosphere are improved, cutting rooting and the survival rate are greatly promoted, and an application prospect is achieved.

The invention belongs to the field of agricultural chemistry, and in particular relates to a rooting agent composition for accelerating the generation of aerial roots of plants. It includes chitosan oligosaccharide, and the weight percentage of chitosan oligosaccharide in the rooting agent composition is 0.0005% to 0.0025%. The chitosan oligosaccharide composition for rapid propagation of succulents according to the invention can promote succulents to produce aerial roots faster than common treatments, can shorten the propagation time, improve the survival rate of reproduction, and can effectively inhibit bacteria during rooting and fungal infections. The invention improves the propagation efficiency of economical succulents and reduces time cost.

The invention provides a division propagation method suitable for plateau lavenders, and belongs to the technical field of lavender propagation. The propagation method comprises the following steps: applying a base fertilizer to a deep, smooth and saline-alkali-free soil block, ploughing, ridging, furrowing and carrying out soil preparation; planting healthy and disease-free lavender plants in furrows in a division manner, watering, topdressing, pruning, irrigating, weeding and carrying out disease field management; after the lavenders enter a full blooming period, harvesting the lavenders; and managing the lavenders before overwintering in the middle ten days and the last ten days of the November. According to the division propagation method, soil permeability is improved through ridgingand furrowing, growth and development of a root system are promoted, meanwhile, drainage and irrigation are facilitated, topdressing and irrigation are timely carried out to preserve soil moisture andincrease temperature, germination and new shoots of lavenders in the coming year are promoted to increase the flowering rate through multiple pruning, meanwhile, robust growth of the lavenders is promoted through long illumination time and strong sunlight in the plateau area, and the division propagation survival rate is improved. Moreover, seedlings obtained by the method disclosed by the invention bloom rapidly, plants grow robustly, flower shapes are full, and the yield is high.

The invention provides a breeding method for heat-resisting beef cattle, which comprises the following steps: mating a Brahman bull with a mourn catalo cow to obtain a first generation cattle I; mating a Brahman-mourn catalo bull with a mourn catalo cow to obtain a first generation cattle II; mating the first generation cattle I with the first generation cattle II to obtain a second generation cattle; mating like to like or selecting excellent individuals from the second generation cattle to mate with a Brahman-mourn catalo to born a third generation cattle which is the heat-resisting beef cattle. The beef cattle obtained according to the invention has high breeding survival rate, fast growth, early maturity, good meat production performance, even muscular fat distribution, tender meat, good taste, tick and heat resistance, and wide adaptability.

The invention belongs to the technical field of vegetative propagation of plants and particularly relates to a cutting propagation method for needle-leaved trees. Preferentially, the needle-leaved trees are Torreya jackii Chun. The method particularly comprises steps as follows: (1) building of full-sunshine automatic spraying and cutting pool; (2) collecting and processing of cuttings; (3) cutting; (4) culture management after cutting; (5) management after transplanting. The method is simple and easy to implement, the propagation survival rate is high, the genetic change is small, management is convenient, large-scale propagation is facilitated, endangered plant, namely, Torreya jackii Chun can be effectively saved, and the survival environment of the species evolves to the north.

The invention relates to a water culture method for succulent plants. The water culture method comprises the following steps: cutting the root of a maternal succulent plant to be cultured, and disinfecting the maternal plant after root cutting; performing shading treatment on the disinfected maternal plant after root cutting, putting the root of the maternal plant after root cutting in a water solution, spraying a first nutrient solution, and performing rooting culture under the conditions that the temperature is 21-25 DEG C, the dissolved oxygen content is 3.5-5mg/L and the pH value is 5.8-6.0; and when at least one root grows out again from the maternal plant after root cutting, spraying a second nutrient solution to the maternal plant, and performing seedling establishment culture under the conditions that the temperature is 15-28 DEG C and the light intensity is 10000-20000Lux to obtain the succulent plant. The water culture method for Kalanchoe succulent plants can be used instead of the traditional soil culture manner, and the survival rate is up to 95% or above; and the water culture method is especially suitable for the culture of Kalanchoe succulent plants.

The invention relates to the technical field of aquaculture, in particular to a treatment method for parent soft-shelled turtles before stocking. The treatment method is characterized by comprising the following steps of a, source and selection of the parent soft-shelled turtles: firstly, source of the parent soft-shelled turtles: soft-shelled turtles reaching sexual maturity, which are wild or obtained by artificial breeding and are bred by non-consanguineous mating; secondly, selection of the parent soft-shelled turtles: requiring the morphology of the parent soft-shelled turtles to accord with classification features of Chinese softshell soft-shelled turtles, namely complete shape without disability or distortion, normal body color, bright skin, plump and elastic rim, weight of 1 to 3kg and strong constitution, wherein the requirements on female soft-shelled turtles are that the tails are short and cannot naturally extend out of the rims, the bodies are thick, and the distance between rear legs is wide. and the requirements on male soft-shelled turtles are that the tails are long and thick and strong, and can naturally extend of the rims, the bodies are thin, and the distance between rear legs is narrow; b, bathing treatment of the turtle bodies: bathing the turtle bodies in liquid medicine for 15 minutes. According to the treatment method disclosed by the invention, the disease resistance and the immunocompetence of the soft-shelled turtles can be enhanced, so that the reproductive survival rate and the reproductive output of the soft-shelled turtles can be increased.

The invention discloses a high-efficiency factory propagation method of Taiwan misgurnus anguillicaudatus, and belongs to the technical field of misgurnus anguillicaudatus propagation. The high-efficiency factory propagation method of the Taiwan misgurnus anguillicaudatus comprises the following steps: 1) selecting parent misgurnus anguillicaudatus; 2) cultivating the parent misgurnus anguillicaudatus; 3) carrying out injection for spawning induction; 4) carrying out artificial insemination; 5) carrying out hatching; and 6) breeding fry. According to the high-efficiency factory propagation method provided by the invention, through the throwing of male and female parent misgurnus anguillicaudatus with a proper proportion, proper breeding density, adoption of self-made breeding feed, and control of the water flow rate and oxygen flow rate in a hatching tank, and the like, the propagation speed and the hatching survival rate of the Taiwan misgurnus anguillicaudatus are greatly improved, and high-efficiency large-scale propagation of the Taiwan misgurnus anguillicaudatus is facilitated.

The invention discloses a bougainvillea speetabilis high-pressure reproduction method. The method includes following steps: S1, from late March to June of each year, selecting a bougainvillea speetabilis branch with brown bark, annular peeling the bark at a position of 0.5-1.5cm below a bougainvillea speetabilis node, and scraping a branch forming layer, wherein peeled bark is 0.5-1cm in width; S2, using a cotton swab to coat the surface of the branch forming layer with a rooting powder solution, standing for 5-10min, and smearing the rooting powder solution again; S3, using fresh moss to wrap the surface of the branch forming layer, folding paper tissue twice, wrapping the surface of the moss with the paper tissue, fastening the upper end of the paper tissue with filaments while not fastening the lower end of the paper tissue for the convenience of root systems to penetrate out, using a preservation film to wrap the outermost layer, fastening, puncturing 3-6 holes in the bottom of the preservation film for the convenience of draining, using a plastic bag for wrapping, and using ropes to fasten the plastic bag; S4, using an injector to inject water into the paper tissue in the S3 to thoroughly soak the paper tissue. The method is simple to operate and suitable for popularization, and survival rate of bougainvillea speetabilis is guaranteed by strictly controlling related parameters.

The invention relates to the technical field of herb planting, in particular to a Dicentra macrantha Oliv. planting method. The Dicentra macrantha Oliv. planting method comprises the following steps of a, land selection; b, seedbed finishing; c, plant division propagation; d, irrigation and finishing; e, disease and pest control; f, harvesting. The Dicentra macrantha Oliv. planting method has theadvantages that manual planting can be conducted, the propagation surviving rate is high and the yield is high.

The invention provides a juglans mandshurica bud grafting method. The method includes steps: (1) in the middle of April, selecting developmental branches in the same year to serve as scions; (2) picking the scions when needed or keeping the scions for temporary storage; (3) keeping the row spacing of rootstocks larger than 20cm*20cm; (4) lowering a greenhouse before grafting, and arranging shadingnets to surround two sides of the greenhouse; (5) selecting grafting blades; (6) taking polyvinyl chloride films as tying straps, and cutting; (7) selecting grade-1 seedlings as the rootstocks, and keeping bud grafting width not larger than rootstock thickness; (8) grafting by two persons, wherein one person cuts the rootstocks while the other person takes grafting buds, a grafting process is completed by once cutting, the depth is slightly over a ligneous portion, cut smoothness and straightness are guaranteed, and rootstock cutting length is identical to grafting bud cut length; (9) makinga water line below the rootstock cutting position; (10) aligning the grafting bud to a rootstock forming layer, and tightly binding with the plastic films; (11) untying 40 days later after grafting. The method is low in cost, simple in process and high in propagation coefficient, and by double grafting, great grafting effects are achieved, and high grafting success rate and preservation rate are realized.