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179results about How to "Short breeding time" patented technology

Method for selecting and breeding corn new-bred through hybridized induction of unisexual seeding material

InactiveCN1843092ASimplify the breeding processOmit the process of self-purificationPlant genotype modificationParthenogenesisPollination
The invention discloses a method for breeding new corn strain by cross inducing parthenocarpy material, belonging to the crop breeding field. The invention mainly uses the Jigao inductive line No. 3, which can cross inducing with high frequency parthenocarpy to generate autocopulative line, to induce following generation to generate haploid after the corn group or hybrid pollination, then forms stable autocopulative line through natural or artificial duplication with haploid. Compared with normal method, the invention is characterized by the simplified breeding process, shortened time, increased efficiency, and autocopulative line of high purity.
Owner:JILIN ACAD OF AGRI SCI

Cuttage rapid-propagation seedling culture method for elevated sand bed camphora wood cutting orchard tissue culture seedling twigs

The invention discloses a cuttage rapid-propagation seedling culture method for elevated sand bed camphora wood cutting orchard tissue culture seedling twigs. The method comprises the following steps: taking semi-lignified twigs formed by camphora wood cutting orchard tissue culture seedling planted on the elevated sand bed as a cutting wood; treating the cutting wood by greenplant growth regulator-ABT6 rooting solution; inserting the treated cutting wood into a mixed medium which contains peat soil and coconut bran in a weight ratio of 3:(1-1.5); culturing on a pressure lifting seedling culture bed capable of automatically controlling temperature, controlling moisture and controlling light; controlling parameters of air humidity to 85%, medium moisture content to 50% and illumination intensity to 1500lux; and after one month, causing the cutting wood to form an integral plant, wherein the cuttage survival rate is 80-85%. The method has the advantages of scientific seedling culture facility, high propagation speed, large seedling culture amount, short seedling culture time, high afforestation survival rate, low wood culture cost, good economic benefit and social benefit and the like, offspring can keep the excellent hereditary character of a stock plant, and the asexual seedling culture of camphora fine variety is achieved.
Owner:GUANGXI FORESTRY RES INST

Method for increasing cutting rooting rate of pecans

The invention belongs to the technical field of the vegetative propagation and seedling cultivation technique for plants and particularly relates to a method for increasing the cutting rooting rate of pecans. The method for increasing the cutting rooting rate of pecans comprises the steps that a cutting shoot well cut from a seed tree is soaked in rooting powder processing liquid, ultrasonic treatment is conducted on the cutting shoot through an ultrasonic cell crusher at the same time, and then the cutting shoot is inserted into a matrix, wherein the power of the ultrasonic cell crusher ranges from 200 w to 300 w, ultrasonic treatment is conducted for 5 s to 7 s each time, the interval between every two sequential times of ultrasonic treatment is 5 s to 7 s, the total time of ultrasonic treatment is 2 min to 4 min, the temperature of the matrix ranges from 20 DEG C to 28 DEG C, and the water content of the matrix ranges from 20% to 40%. The method for increasing the cutting rooting rate of pecans has the advantages that the time is short, the rooting rate is high, and the number of cottage batches is large.
Owner:NANJING FORESTRY UNIV

Method for rapidly identifying resistance to verticillium wilt of eggplant

InactiveCN103355025ASame degree of root damageEnsure consistencySpore processesHorticultureSporeHigh survival rate
The invention provides a method for rapidly identifying resistance to verticillium wilt of eggplant. The method comprises the following steps of: accelerating germination and sowing of eggplant seeds, seedling culturing, preparation of a verticillium wilt spore suspension, treatment of pathogenic bacteria infection and incidence investigation. According to the invention, eggplant seedlings are infected with verticillium wilt in a manner of soaking and infecting seedling roots by a bacteria solution, and the eggplant seedlings are infected after being uniformly cultured in a substrate until achieving a state of one seedling with two leaves, so that the growth vigor and size of the eggplant seedlings are easy to control, and the consistency and reliability of an identification result are ensured. By adopting the appropriate verticillium wilt substrate and adjusting the concentration of the verticillium wilt suspension, the method has the advantages of good infection effect, high survival rate of the infected seedlings, uniform inoculation and rapid incidence. According to the invention, only different plants with consistent growth vigor need to be soaked in the bacteria solution after root cutting, so that the operation is simple and convenient, the seedling culture time is short, and the method is particularly suitable for identification of resistance to verticillium wilt of eggplant breeding materials in batches.
Owner:SHENYANG AGRI UNIV

Cutting-seedling raising method of cyclocarya paliurus branches

InactiveCN104429543AEasy to operateSuitable for large-scale cutting seedlingsCultivating equipmentsHorticulture methodsCataphyllAsexual reproduction
The invention relates to an asexual reproduction method of cutting-seeding raising cyclocarya paliurus branches to solve the seedling technical problem of cyclocarya paliurus and to efficiently cultivate clone feedings. The method includes the following steps, firstly choosing un-entirely lignification branches from robust cyclocarya paliurus plants and cutting sections with two leaf buds as cuttings, wherein the biology bottom of a cutting is flat and 2 to 3 leaves are left on the upper portion, secondly immersing the lower end of the cuttings in rooting solution for 20 to 100 minutes, thirdly inserting cuttings treated by rooting agent into soil matrix with a depth of 3 to 3.5 cm and spraying with 80% by wt carbendazim until the upper leaves completely wetted after cutting, and fourthly shedding the cut branches with black sunshade nets, sterilizing and moistening the cuttings by spraying carbendazim every two days at the first week and later moistening by spraying water every two days. The cutting-seedling raising method of cyclocarya paliurus branches is simple and practical in operation, short in seedling period and high in cutting rooting rate, and is suitable for large scale cutting seedling.
Owner:HUNAN UNIV OF SCI & TECH

Sophorae alopecaroide tea cuttage and sprout growing method

A cuttage method for culturing the sapling of lectuce tea tree features that branch of existing lectuce tea tree is used as scion, and includes such steps as choosing scion, spraying liquid, cutting, immersing in liquid, cuttage and management. It has high survival rate (more than 80%).
Owner:XINCHANG QIANXI SOPHORAE ALOPECAROIDE TEA DEV

Seedling water cultivating method by using crop water-cultivating inducing liquid

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.
Owner:张宜虎

Television Apparatus

The present invention provides a television apparatus that can reproduce and show a program when the program is stopped without a user performing troublesome operations even when the user is occupied with a sudden phone call or an unexpected visitor while he / she is watching television. A volume comparator starts recording of the program, which is currently being watched, by using a recording apparatus when a set volume value is lower than a threshold value or is set to a sound cancelling mode. Also, when a newly set volume value is higher than the threshold value or the sound cancelling is released, the volume comparator stops the display of the program that is currently being watched and starts reproducing display of the recorded program by returning to the recording start time point.
Owner:MAXELL HLDG LTD

Rapid rhubarb seedling growing method

The invention discloses a rapid rhubarb seedling growing method. The rapid rhubarb seedling growing method includes the following steps: 1), building a seedling growing pool or picking a seedling growing basin and adding water; 2), picking and sterilizing a seedling growing plate, placing a seedling growing base material into the seedling growing plate, and sowing pre-treated rhubarb seeds into the seedling growing plate to acquire the seedling growing plate subjected to sowing, wherein the seedling growing base material comprises, by weight, 50-70% of peat and 30-50% of perlite; 3), placing the seedling growing plate subjected to sowing in the step 2) into the seedling growing pool or seedling growing basin in the step 1) for cultivation, and after seedling emergence, adding fertilizer into water in the seedling growing pool or seedling growing basin once every ten days until nitrogen concentration is 150-250g / L, phosphorus concentration is 10-40g / L and potassium concentration is 200-300g / L; 4), completing cultivation after the diameters of rootstocks of rhubarb seedlings are not less than 1cm and roots and the rootstocks are 5-10cm in length. The rapid rhubarb seedling growing method is simple and convenient to operate, high in seeding emergence rate, short in time, low in cost and good in economic benefit, and the rhubarb seedlings grown by the method grow rapidly, orderly and healthily.
Owner:SICHUAN ZHIJIACHENG BIO TECH CO LTD

Denitrifying filler, preparation method of denitrifying filler and application of denitrifying filler to denitrification of water body

The invention provides a denitrifying filler, a preparation method of the denitrifying filler and application of the denitrifying filler to denitrification of a water body. On the first aspect, a surface modifier is coated on the surface of sulfur granules, and the adsorptivity of the surface modifier and the positive charge on the surface modifier facilitates a microbial flora with negative charge to be grown on the surface of the sulfur granules in an attaching way; on the second aspect, heterotrophic denitrifying bacteria are increased in a conventional autotrophic denitrification microbic system to form a mixotrophic denitrification system, so that the breeding time is short, the antijamming capability is strong, the hydraulic retention time is relatively shortened, and the stability of the system and the adaptability of the system to external conditions are also improved; on the third part, the defects that secondary pollution is easily caused by overhigh sulfate ion content in effluent of a sulfur-based autotrophic denitrification system, land salinization is caused, and reusing of the effluent is not benefited are also greatly reduced by the denitrifying filler, and the denitrification performance is improved.
Owner:HUBEI UNIV

Method for bickiron inoculation of buds symbiotic to root fungi for culturing seedlings of Chinese chestnut

The invention discloses a method for the bickiron inoculation of buds symbiotic to root fungi for culturing the seedlings of Chinese chestnut. The method adopts the methods of the bickiron graft of bud seedlings and the root-pruning inoculation of root fungi for breeding the container seedlings of Chinese chestnut of which the root system is symbiotic to the root fungi, prior diluted Chinese chestnut mycorhiza liquid or a prior Chinese chestnut mycorhiza agent is adopted, and inoculation is carried out after root pruning; on one hand, side roots have flourishing growth; on the other hand, the root system is symbiotic to the root fungi, and then the container seedlings are transplanted into a greenhouse for large-scale culture; and the seedlings after being cultured successfully are directly transplanted into a plowland, the seedling raising time is quick, the survival rate of the seedlings is high, and the growth of the seedlings is robust.
Owner:NORTHWEST A & F UNIV

Peach twig cutting propagation method

The invention discloses a peach twig cutting propagation method. The method comprises the following specific steps: selection of cuttings, pruning of the cuttings, establishment of a seedbed, preparation before cuttage, cuttage and management and transplantation. According to the peach twig cutting propagation method, the propagation speed is high, the survival rate is high, the method is simple and easy to operate, the rooting effect is good, seedlings grow vigorously and do not require a seedling recovery period after transplantation, the survival rate is up to 95.0% or higher, the seedling raising time is short, the seedlings can be transplanted within 2 months, large-scale seedling production can be realized, and the method has relatively high ecological and economic benefits.
Owner:ZONGYANG XIONG NATURAL ECOLOGICAL AGRI CO LTD

Pomegranate old branch cuttage and rapid propagation method

The invention discloses a pomegranate old branch cuttage and rapid propagation method. According to the method, pomegranate tress of 25-35 years are selected, old branches,15-25 years old, on the pomegranate tress are collected to serve as cuttings, the cuttings are soaked with clean water and then soaked with a special-effect rooting powder solution, and the cuttings are placed into grass carbon in a cuttage mode in late March every year; sand is mixed into a medium according to the volume ratio of 1-1.5:2-3, a mulching film covers the surface of the mixture, cuts in the cuttings are exposed out of the mulching film and are wrapped for moisture retention, and a seedling management stage starts. The rooting rate of pomegranate old branch cuttings propagated in the method is as high as 95%, and the method is easy to operate, short in period, low in cost and quick in effect, solves the technical problems of pomegranate old branch cuttage and propagation and lays a foundation for manufacturing thick, strong and unadorned Taoist potted landscapes.
Owner:SHANDONG FOREST SCI RES INST

Quick cutting rooting method of grape

The invention discloses a quick cutting rooting method of grape, comprising the following steps: (1), preparing cuttings, (2), preparing a cutting field, (3), preparing a rooting liquid, (4), treating the cuttings and performing cuttage, and (5), managing after cuttage. The method of the invention has simple and standardized operations, synergy of the operations provides higher than 98% of a stable cutting survival rate of grape, grown cutting seedlings has high rooting quantity, growing time is short, and the seedlings grow vigor and have high environmental stress resistance.
Owner:ANQING LYUYUAN AGRI TECH CO LTD

Cured tobacco seedling culturing method

The invention discloses a cured tobacco seedling culturing method, which is characterized in that: straw coal substrates made of cured tobacco straws instead of the conventional substrate are filled into holes on a seed tray for seedling culturing; in a period lasting from sowing to the growth of tobacco seedlings to seedlings with 3-4 leaves, seedling culturing on moist trays is adopted; and seedling culturing in floating trays is adopted from the stage of 3-4 leaves to a seedling period. Compared with the prior art, the method has the advantages of low cost, good seedling culturing effect, shorter seedling culturing time and capability of recycling waste cured tobacco straws.
Owner:郭保银

Xanthoceras sorbifolia culture method

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.
Owner:魏波

Artificial seedling method of blood clam

InactiveCN101161065AShort breeding timeRestoring population dominanceUnicellular algaeClimate change adaptationShrimpAlgae
A method of artificial breeding for ark shells, which includes cultivating unicellular algae first, then breeding, sampling and inspecting parent calms gonads of ark shells in the sea, capturing and transporting parent calms, breeding species shells temporarily in seeding room interiorly; spawning and hatching parent calms; selecting and breeding larvae, cultivating larvae, changing water once a day, scattering bait 30,000-100,000 / ml single cells every day; scattering cultch when the body length of larvae is 230 micrometers, changing water totally every day, moving larvae to the middle of the sea or shrimp tank to breed temporarily when the shells of them are 0.7-1.2mm; beating platform raft firstly as temporary breeding, the direction of which and flow direction being almost vertical; temporary breeding management, tying one hanging at intervals of 0.6-1.0m on every platform raft, 6-10 bags on every hanging, 5,000-15,000 juveniles shellfishes in every bag, arranging platform raft, promising the safety of platform raft, scattering on the bottom of the sea or cultivating in the shrimp tank when juveniles shellfishes grow up above 5mm. The advantage of the method can realize artificial breeding, short time of breeding, cultivation in the shrimp tank, bottom sowing in the sea and resume the population advantage, low-cast, quick results and great benefit.
Owner:JINZHOU MARINE FISHERY INST

Method for producing edible sunflower hybrid seeds

The invention discloses a method for producing edible sunflower hybrid seeds. The method comprises the following steps of: (1) culturing parents a, namely planting an edible sunflower variety a which has high combining ability and good economic characteristic in a production site; and through 5 to 8 generations of sister hybridization, selecting strains which have strong adaptability and high purity without degeneration after the sister hybridization as the parents a; (2) culturing parents b, namely planting an edible sunflower variety b which has the same flowering phase, maturation phase and strain height as those of the parents a, and has disease resistance and seed size complementary for those of the parents a; and after 5 to 8 generations of self-copulation, selecting the strains which have the high combining ability as the parents b; and (3) producing hybrid seeds, namely planting the parents a and the parents b at the same time; and mutually pollinating the parents a and the parents b in the flowering phase in order to culture the hybrid seeds. The method for producing the edible sunflower hybrid seeds has the characteristics of simple processes, low cost, randomly selected hybrid combination and strong combination advantages. The hybrid seeds have the advantages of disease resistance, high yield, good quality, strong growth potential and the like.
Owner:NORTHWEST A & F UNIV

Cultivation method of high quality cuttings from semi-mangrove Cerbera manghas

A cultivation method of high quality cuttings from semi-mangrove Cerbera manghas is characterized in that fruits on good, healthy mother trees with no pest or disease and growing for more 10 years are selected, seeds are extracted from the fruits by a fruit drying and husking machine, the seeds are soaked in hot water of 85 DEG C, the seeds are soaked at constant temperature after the seeds naturally cool to 40 DEG C, the seeds are sprouted on an electric heating sand bed with temperature of 20-25 DEG C and humidity of 60-80%, plantlets which sprout in a first batch, bear two pairs of complete leaves each and grow 10cm tall are transplanted to a seedling bed used for cultivating seedlings of Cerbera manghas, seedlings are cultivated on the seedling bed as a cutting bed, semi-lignified shoots are cultivated as cuttings, the cuttings are inserted in pots, each made with 2-4 parts of yellow subsoil and 6-8 parts of fine sand, to cultivate seedlings. The method has the advantages that the use of the electric heating sand bed increases sprouting rate of the seeds of Cerbera manghas and shortens cultivation time of mother plants of seedlings; slow release fertilizer as base fertilizer and quick-acting fertilizer is applied to the planted mother plants for topdressing, nutrition required by the mother plants during the initial growth period can be guaranteed, continuous supply of nutrition in the whole growth period is guaranteed, growth is fast, buds are many and strong, and seedlings are good in quality.
Owner:GUANGXI FORESTRY RES INST

Sugarcane rotation cultivation method of three harvests within two years

The invention discloses a sugarcane rotation cultivation method of three harvests within two years. The method comprises the steps of planting short-term crops such as soybean, corn, watermelon and the like in a sugarcane field in spring of the first year, transplanting sugarcane seedlings after the soybean, corn, watermelon and the like are harvested, harvesting sugarcane seeds and keeping perennial roots in February and March of the following year, and harvesting perennial root raw material sugarcane in December of the second year. By adopting the method, it is possible to harvest crops suchas the soybean, corn, watermelon and the like one time in two years in the sugarcane field and harvest the sugarcane twice, which not only utilizes lands reasonably, but also alleviates the obstacleof continuous sugarcane cropping, the combination of land use and land maintaining is achieved, the speed of sugarcane breeding is improved, and the upgrading of varieties is accelerated.
Owner:SUGARCANE RES INST GUANGXI ACADEMY OF AGRI SCI

Application of DRK protein and coding gene thereof in drought resistance of plants

The invention relates to the technical field of plant genetic engineering, and particularly relates to application of DRK protein and a coding gene thereof in drought resistance of plants. After expression of the DRK gene is inhibited, the growth of mutant plants under the drought treatment condition is obviously superior to that of wild plants, and the water loss rate and the leaf wilting degreeare obviously lower than those of the wild plants, so that the drought resistance of the plants can be remarkably enhanced by inhibiting the function of the gene, gene resources are provided for cultivating and improving new varieties of drought-resistant plants, and a theoretical basis is provided for clarifying the molecular mechanism of MAPKKK protein kinase in plant drought stress signal response.
Owner:CHINA AGRI UNIV

Seedling raising method of polygonum

The invention discloses a seedling raising method of polygonum. The method comprises the following steps of: selecting six-month or annual branches of robust, disease-free and pest-free mother plants as cuttings; cutting into small pieces, and carrying cutting treatment; selecting flat-terrain, loose, fertile, conveniently-irrigated and well-drained sandy loam or loam as a cuttings bed, and plowing the soil and applying a basic fertilizer in a month before cutting; ditching; disinfecting a seedbed; cutting; tightly inserting the treated cuttings in the surface of a ditch according to the plant and row spacing of 3cm * 8cm, with buds up, and the lower end buried into the soil, irrigating normal root water thoroughly; top dressing; topping when cutting seedlings germinate sprouts about 10cm long, keeping the height of the seedling about 20cm, and the length of the sprouts 15cm; transplanting when the seedlings are raised about 40 days in spring or about 60 days in autumn; and firstly irrigating the seedbed thoroughly on the day before lifting. The seedling raising time is short, the survival rate is high, and the yield is stable.
Owner:贵州省施秉县富康源农业科技发展有限公司

Novel beak-shaped litchi planting method capable of achieving high and stable yield

The invention discloses a novel beak-shaped litchi planting method capable of achieving high and stable yield. The novel beak-shaped litchi planting method includes the steps of a), selecting and treating cuttings, namely selecting strong branches from seed trees, cutting the branches to form cuttings, soaking to sterilize roots of the cuttings, and then soaking the roots of the cuttings in a root inducing agent; b), treating seedbed fields, namely deeply ploughing seedbed soil, applying one layer of red clay and peat soil on the seedbed soil, scarifying the seedbed soil again, sterilizing, applying ripe cow dung, superphosphate and a potash fertilizer for 3-5 days after sterilization, watering to drench the seedbed soil and sterilizing; c) performing litchi cutting and management, namely inserting the litchi cuttings into the seedbed soil obliquely, spraying quick lime and ABT rooting powder after cutting, watering seedbeds every day, sterilizing after 10 days, spraying nutrient solution for every 10 days after sterilization, and cultivating till seedlings emerge. By the aid of a cuttage method, the novel beak-shaped litchi planting method is short in seedling time, high in survival rate, low in cost and capable of keeping excellent characteristics of female parents, accelerating litchi raising, shortening fruit bearing period and increasing litchi yield.
Owner:合浦县公馆镇香山村马拉坡鸡嘴荔枝农民专业合作社

Method for obtaining excellent clone through fiber bamboo subterraneous stem in-situ multiple mutagenesis

ActiveCN110574681ADirected genetic improvementEasy to operatePlant genotype modificationEthylmethane SulfonateFiber
The invention discloses a method for obtaining an excellent clone through fiber bamboo subterraneous stem in-situ multiple mutagenesis. The method comprises the steps that a subterraneous stem of fiber bamboo is selected; an internal irradiation mutagenic agent is selected to be prepared into mutagenic agent solutions separately; a chemical mutagenic agent ethylmethane sulfonate is selected to beprepared into mutagenic agent solutions separately; a stainless steel continuous syringe is used for filling different segments of the selected subterraneous stem of the fiber bamboo with the internalirradiation mutagenic agent of different concentrations, and injection ports are sealed by non-sticking adhesive tapes; after 30-40 days, the stainless steel continuous syringe is used for filling the different segments of the selected subterraneous stem of the fiber bamboo with the chemical mutagenic agent solution, and the injection ports are sealed by non-sticking adhesive tapes; after earthing is performed for 60-90 days, different mutagenic buds on the segments, subjected to multiple treatment of the internal irradiation mutagenesis and mechanical mutagenesis, of the subterraneous stem are germinated into bamboo, and through screening and underground root dividing propagation, the clonal new germplasm or new species of the fiber bamboo with excellent traits.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Breeding method of red glutinous rice

The invention relates to a breeding method of red glutinous rice, which comprises the following steps: (1) performing hybridization of black glutinous rice with species of red-seed husk non-glutinous rice to obtain single-cross F0, planting to obtain single-cross F1 hybrids; (2) performing hybridization by taking high-yield white glutinous rice species of Gui No. D1 as a female parent, and taking single-cross F1 hybrids obtained by hybridization of Yulin black glutinous rice with red-seed husk non-glutinous rice species of Huanghongzhan as a male parent to obtain multiple-cross F0; (3) planting the multiple-cross F0 to gain F1 which all have black seed husk; planting the F1 to gain F2, separating the F2 to obtain plants with black, red or white seed husk, selecting plant seeds with red seed husk and glutinous endosperm for planting; performing selfing for 6-8 generations to obtain the required red glutinous rice species. The rice bred by the method of the invention has good glutinous property, good growing vigour during field growing, strong stems, red coarse rice, and comparable yield to current high-yield white glutinous rice.
Owner:柳州市农业科学研究所

Cutting propagation method of ricinus communis

InactiveCN102823409AAvoiding the Difficulty of Finding a RetainerEasy to maintainCultivating equipmentsSoilless cultivationPropagation timeGreenhouse
The invention discloses a cutting propagation method of ricinus communis, which belongs to the technical field of crop propagation. The method comprises the following steps of: cutting ricinus communis branches of 1-2 years old, retaining one leaf with the leaf area being 20%-25% of the original leaf area on each branch, dipping the cut branches with rooting powder and then inserting into a seedling bed, keeping the air humidity to be 100% in a cutting seedling greenhouse during the period from cutting to rooting. The method provided by the invention overcomes difficulties of the ricinus communis such as large areas, fast moisture evaporation, hollow stems, high lignification extent and difficult rooting; the inarched ricinus communis branches are capable of successfully rooting within a short time of 40 days more or less; the rooting rate is 53%-86.7%, and speediness, orderliness, strong growth vigour and good growth can realized in rootage; the propagation time is short, the operation is concise and easy to master. The invention provides a novel method for protecting the ricinus communis resource, which is capable of keeping excellent individual plants of the ricinus communis and shortening the propagation time. The application of the method provided by the invention in the propagation of female individual plants of the ricinus communis is particularly significant in heterosis utilization.
Owner:云南省农业科学院经济作物研究所

Breeding method for high protein peanut

The invention discloses a method for breeding high-protein peanut quality, which selects germplasm materials with good comprehensive characters and high-protein content to assemble parental combination; single plant with good comprehensive character is selected by breeding goal in early segregation generation, which is a high-yield pressure screening; the single plant with good comprehensive character is selected by the same standard in different segregation generation and the protein content of each single plant with good comprehensive character is measured; stable high-protein variety or strain with good comprehensive character is acquired through double pressure selection of multi-generation high-yield and high protein as well as directional breeding. The method for breeding high-protein peanut quality can carry out direct selection of protein content character; the invention is characterized by short breeding period, little blindness and high breeding efficiency. Peanut variety with high-protein content and good comprehensive character can be bred, which has good economic and social benefit.
Owner:CROP RES INST GUANGDONG ACAD OF AGRI SCI

Method for growing seedlings of baical skullcap root by cutting

The invention discloses a method for growing seedlings of baical skullcap root by cutting, belonging to the technical field of traditional Chinese medicinal material cultivation. The method specifically comprises the following seven steps: selection of mother plants for cutting, cutting preparation, plant hormone treatment, cutting, water sprinkling management, shed putting-up for shading and seedling hardening. By adopting the method, the defects of reduction of the content of an effective component, baicalein, reduction of effects, low survival rate and poor growth appearing when the traditional Chinese medicinal material baical skullcap root is artificially cultivated are effectively overcome. The method has the beneficial effects that the materials are convenient to take; the processes are simple; the rooting rate of baical skullcap root is 79.4-85.3%; the seedling growing time is short and the seedlings can come out from nurseries and be transplanted in less than one month; the content of the effective component baicalein is more than 13.8%, is far beyond the stipulation of not lower than 4% in the Chinese pharmacopoeia and is also higher than that in sexual propagation and wild samples; as the seedlings have 3-4 main roots, and fast growing and stable and high yield are achieved after the seedlings are transplanted.
Owner:黄振忠

Bovine viral diarrhea virus (BVDV) transgenosis Astragalus mongholicus vaccine and production method

The invention relates to a bovine viral diarrhea virus (BVDV) transgenosis Astragalus mongholicus vaccine and a production method which are used for preventing and curing animal bovine viral diarrhea virus, and overcoming the defects of poor immunogenicity and low protection of the existing inactivated vaccines and nucleic acid vaccines as well as unsafe application of the existing live poison vaccine. In the invention, BVDV RNA is taken as a template, a reverse transcription-polymerase chain reaction method is used for obtaining an E0 gene thereof, then a gene E0 recombination plant expression vector is constructed, a pollen tube pathway method is used for obtaining the BVDV E0 gene transgenosis Astragalus mongholicus, and the Astragalus mongholicus with immunogen transformed by the BVDV E0 gene is screened by an immunoblotting and an enzyme linked immunosorbent assay to obtain a vaccine product. The invention has the following beneficial effects: the BVDV E0 gene is expressed in the Astragalus mongholicus, which generates the protective antigen and adjuvant substance capable of increasing the immunization, thereby improving the antiviral effect of the Astragalus mongholicus and the optimun immunity of the vaccine; and the invnetion has the advangtages of easy production, convenient use, strong stability and no side effects.
Owner:JILIN AGRICULTURAL UNIV

Bamboo rat breeding method

The invention discloses a bamboo rat breeding method which comprises a first step of selecting a dark and cool environment, and building a bamboo rat nest; a second step of selecting female bamboo rats and male bamboo rats which are of an excellent variety, and placing the female bamboo rats and male bamboo rats in an identical culture tank to perform mixed breeding; a third step of planting crops in a planting tank; a fourth step of feeding the bamboo rats once respectively at 11 am and 8 pm; a fifth step of treating the male rats and female rats extremely poor in gregariousness; a sixth step of applying an estrualization medicine to the female rats at the same period, and applying a medicine to the male rats to improve their sexual desire; a seventh step of performing isolated breeding of pregnant rats; and an eighth step of selecting bamboo rats growing to 2-2.5 kg for slaughter. The bamboo rat breeding method is simple to operate and short in cultivation time, the bamboo rats become full grown and ready for slaughter quickly, diarrhea morbidity and mortality rates are low, the number of laid young rats is high, and farmers' economic benefits can be greatly improved.
Owner:南宁市浩特竹鼠养殖场(微型企业)
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