38 results about "Stratification (seeds)" patented technology

The invention discloses a short-spike and root-grafting rapid propagation method for camellia azalea. The short-spike and root-grafting rapid propagation method comprises the following steps: selecting general camellia oleifera seeds, sterilizing the general camellia oleifera seeds with potassium permanganate solution and then carrying out stratification, sprouting and anvil culture; after radicles are 3-4 cm in length, grafting the radicles; selecting one-year branches with strongly-grown crown peripheries, full sprout eyes, no pest and disease damage and half lignification to lignification as scions with the length of 2-3 cm; soaking base parts with a plant growth regulator solution; after the scions are grafted, planting the grafted scions in a container bag filled with nutrient-rich substrate on a seed bed in a sunshelter for culturing; and covering, humidifying, shielding and carrying out standard management to form a high-quality grafted container seedling of the camellia azalea. According to the short-spike and root-grafting rapid propagation method, the grafting is realized at the smooth parts of radicles and the root systems of plants are developed, so that the survival rate and the growth amount of nursery stock can be effectively increased and the culture time of the stock is greatly shortened; and the scions are short, and thus the utilization rate and the propagation coefficient of the scions are improved. The short-spike and root-grafting rapid propagation method has the advantages of convenience for operation, high work efficiency and better economic benefit and social benefit; and according to the method, the scale propagation effect of the camellia azalea stock is ensured.

The invention discloses an emmenopterys henryi pollution-free planting method which comprises the steps of selection of seeds, disinfection of the seeds, centrifugal overweight treatment, plant hormones and low temperature sand stratification treatment, seed germination and soil scientific management, seedling transplanting and the like. By the centrifugal overweight treatment and the plant hormones and low temperature sand stratification treatment, sleep time of the seeds of emmenopterys henryi is shortened; moreover, by effective temperature and light treatment, the emmenopterys henryi has high seed germination rate, germinability and germination index.

The invention discloses a method for removing the seed dormancy of tapiscia sinensis oliv and improving the seedling survival rate. The method is mainly realized by the following steps: selection of seeds, disinfection of seeds, ultrasonication, hormone and heterotherm stratification, seed seedling and the like. By means of technology of growth regulator control, heterotherm treatment and the like for breaking the seed dormancy, with the adoption of the growth regulator with appropriate concentration and an appropriate heterotherm treatment medium, the seed germination time of tapiscia sinensis oliv is greatly shortened. Furthermore, with the adoption of appropriate temperature and light treatment as well as an appropriate seedling medium, the survival rate of a nursery-grown plant is further high.

The invention discloses a method for promoting germination of cercidiphyllum japonicum seeds and increasing germination rate of the cercidiphyllum japonicum seeds. The method mainly comprises the steps of: selecting the cercidiphyllum japonicum seeds, disinfecting the cercidiphyllum japonicum seeds, laser-treating, breaking the dormancy of the cercidiphyllum japonicum seeds, germinating the cercidiphyllum japonicum seeds, and transplanting seedlings. According to the method, by comprehensively utilizing all aspects of laser treatment, vitriolization, hormone treatment, epilimnion stratification treatment, temperature and illumination intensity control, culture matrix selection and the like, the germination of the cercidiphyllum japonicum seeds is promoted, the germination rate is high; meanwhile, cercidiphyllum japonicum seed seedlings obtained by using the method are developed in root systems, good in growth vigour, high in speed and high in survival rate.

The invention discloses a method for increasing the seedling survival rate of mucuna sempervirens, belonging to the field of plant breeding. The method comprises the steps of collecting seeds in the last ten-day period of October, storing in sand at normal temperature; soaking the seeds in clear water, selecting the seeds sinking to the bottom, removing seeds floating on the water; soaking the seeds selected through cleaning; soaking for 2h by using 0.5 percent potassium permanganate; forming a hole in the just middle part of the hilum on the side surface of each seed by splitting; flatly laying the treated seeds on a wet cotton gauge for carrying out seed stratification; peeling seed coats of the germinated seeds; when the seeds are sown, setting up an overshadowing shed in a sowing land. According to the method, the seeds are germinated through steps of seed soaking, disinfecting, cleaning, germination accelerating and the like, thus the germination period is shortened, and the purposes of aligning and strengthening of seedlings, high bud ratio and high survival rate of transplanting are achieved.

The invention discloses a paeonia rockii seed accelerating germination method which comprises a paeonia rockii epicotyl dormancy breaking method and a paeonia rockii hypocotyl dormancy breaking method; the paeonia rockii hypocotyl dormancy breaking method comprises the followings: soaking sterilized paeonia rockii seeds with GA3 with the concentration of 100-700 mg/L and carrying out stratification treatment on a substrate; the paeonia rockii epicotyl dormancy breaking method comprises the followings: selecting seeds with the root length greater than or equal to 0.5 cm and less than or equal to 3 cm, carrying out accelerating germination treatment on the seeds respectively, soaking root-promoted paeonia rockii seeds with GA3 with the concentration of 100-400 mg/L, carrying out stratification treatment on the substrate, and placing the seeds at the constant temperature of 25 DEG C for accelerating germination and moisturizing. According to the invention, the double paeonia rockii seed dormancy breaking technologies are adopted, so that the germinating time is shortened, the seeds germinate after being sown for 97 days only, the highest emergence rate can reach 90% or above and the paeonia rockii seed accelerating germination method is suitable for large-scale promotion and cultivation.

The invention discloses an epimedium seedling culture method, and belongs to the field of crop seedling culture. The method comprises the steps of S1, performing seed soaking and baking; S2, performing seed temperature change stratification treatment; S3, performing treatment with a seed soaking agent: performing seed soaking on epimedium seeds after temperature change stratification treatment for1.5-2h through combined liquid of sodium carboxymethyl cellulose, ascorbic acid and gibberellin, and performing constant-temperature stratification on the seeds after seed soaking at 10 DEG C for 15-30 days; and S4, performing sowing. When the method disclosed by the invention is used for performing epimedium seedling culture, the sprouting rate is 89.5-92.8%, besides, occurrence rate of plant diseases of seedlings is substantially reduced, particularly pollution reagents are not used in the method, and the epimedium seedling culture method has the advantages of being safe and environmentally-friendly.

The invention discloses a cultivation technique for Fraxinus mandshurica. The cultivation technique is realized by adopting the following steps: (1) seed treatment: a step of accelerating germination since Fraxinus mandshurica seeds are seeds with a long dormancy period and can sprout only after germination acceleration, wherein common methods for germination acceleration comprise A, an over-winter stratification burial-storage method, and B, a temperature-varying treatment method; (2) seeding: a step of carrying out seeding in spring, carrying out full watering after seeding and carrying out timely chemical weeding before seedling emergence, wherein 0.5 to 0.7 kg of base fertilizer is applied per hectare while soil is turned up, and during ridge cropping, the seeding rate per mu is 35 to 40 grams and the thickness of covering soil is 1 to 2 cm; and (3) management in a seedling stage: a step of strengthening nutrient and water management, digging out Fraxinus mandshurica seedlings in autumn when the seedlings grow to a height of 20 to 30 centimeters in the year, temporarily planting the Fraxinus mandshurica seedlings for overwintering when temperature is stable and ground temperature drops to below 0 DEG C, digging out the temporarily-planted Fraxinus mandshurica seedlings and planting the seedlings in a mountain in mid-to-late April in spring, and carrying out timely soil-thawing afforestation since Fraxinus mandshurica has a rejuvenation period of about 20 days.

The invention discloses a bulbus fritillariae cirrhosae seed stratification treatment method. The bulbus fritillariae cirrhosae seed stratification treatment method specifically comprises the following steps that coco coir and vermiculite are used as Zhaotong bulbus fritillariae cirrhosae seed treatment matrixes; a layer of the matrixes are laid at the bottom of a container, then fritillaria capsules are cut off and uniformly laid on the matrixes, the fritillaria capsules and scattered seeds are placed into the matrixes in the middle of the container according to a mode of laying the matrix layer by layer and laying the seeds layer by layer, and finally, the a layer of matrixes cover the top; a vent hole is reserved in the container; the container is put into a variable-temperature incubator for accelerating germination, and firstly the temperature of the incubator is arranged to be 9.5-11 DEG C and the treatment period is arranged to be 40-50 days; the temperature of the incubator iscontrolled to be 5.5-7.5 DEG C and the treatment period is controlled to be 40-50 days; and finally, the temperature of the incubator is controlled to be 0-2 DEG C, treating is carried out for 50-60 days, and vernalization is finished. According to the bulbus fritillariae cirrhosae seed accelerating germination method, the whole period is 150-160 days, and the seedling emergence time is 45-50 days. The germination rate is high, and the seedling formation period is shortened; and the germination rate of Zhaotong fritillaria seeds treated by the method reaches 90% or above in the first ten daysof February of the next year.

The invention discloses an atriplex canescens seed treatment method and a seedling raising method, and mainly relates to the technical field of atriplex canescens seedling raising. The methods comprise the following steps: a seed breeding nursery is selected, and soil preparation is carried out; atriplex canescens seeds are subjected to wing and impurity removal, three-time freezing and three-time drying and reagent soaking treatment, and then sowing and seedling emergence management are performed. The methods disclosed by the invention have the beneficial effects that through the the steps of warm scalding, stratification treatment, clear water soaking, plant hormone treatment and the like on the wing-removed fruits, the seed germination rate is increased, meanwhile, the germination time can be effectively shortened, the seedling raising efficiency is improved, and the cost is saved.

The invention discloses a rapid seedling formation method of paris polyphylla, which comprises the following steps: S1, pretreatment: cleaning mature paris polyphylla seeds, removing testa, and soaking in a hydrogen peroxide solution with the concentration of 1% for 5 minutes; s2, stratification treatment: subjecting the pretreated seeds to stratification treatment for 30-40 days under a dark condition at the temperature of 20 DEG C; s3, germination: the seeds subjected to stratification treatment are planted in wet perlite for germination, and in the germination process, the environment temperature is kept at 22 DEG C, the illumination period is 12 h.d <-1 >, and the illumination intensity is 30 [mu] mol.m <-2 >. S <-1 >; s4, the germinated seeds with radicles with the length of 3-5 mm are transferred into a seedling forming substrate and cultured at the temperature of 22 DEG C, and paris polyphylla seedlings are obtained; the high germination rate can be obtained in a short time, the defects of long germination time and low germination rate in the prior art are overcome, and the method has the advantages of being short in germination period and orderly in germination.

The invention relates to a peach tree sowing and seedling-raising method, and relates to the technical field of peach tree seedling raising. The method is characterized by comprising the following steps: seeds are collected; cold stratification is carried out, wherein a pit is dug at a high-dryness, well-drained, leeward and sunny place in October to November, stones are placed in the bottom of the pit. seeds are stratified on the stones; coarse sand is added on the seeds, 3-4cm of wet sand is spread on the coarse sand, 5-10cm of hay covers the wet sand, and the seeds are subjected to cold stratification for 60-80 days; germination accelerating is carried out before sowing, wherein un-germinated seeds after cold stratification are soaked with cold water for 3-5 days before sowing, wherein water is changed once a day, the soaked seeds are exposed to the sun at a sunny place for 2-3h every day, and are then stacked and covered for thermal insulation and moisture preservation; sowing is carried out, wherein before sowing, soil is sterilized by using a 1:500 water solution of potassium permanganate, and after sowing, when 2-3 pairs of true leaves appear on each seedling, the seedlings are transplanted into nursery containers; and seedling-stage management is carried out. The method provided by the invention has high efficiency; sprout survival rate is high; and the method is easy to operate. The method is suitable for cultivating new varieties.

The invention relates to the technical field of thesium chinense planting, in particular to a method for breaking dormancy of thesium chinense seeds which comprises the following steps: soaking collected thesium chinense seeds in water, taking submerged thesium chinense seeds, air-drying the thesium chinense seeds, and storing the thesium chinense seeds at 2-4 DEG C to obtain standby thesium chinense seeds; soaking the standby thesium chinense seeds in a gibberellin solution, then taking out the seeds, mixing the seeds with river sand, and carrying out first stratification treatment under the condition of -4 DEG C to -2 DEG C; cleaning river sand, removing green peels and fruit stems of the thesium chinense seeds subjected to the first stratification treatment, performing moisturizing treatment, and then performing second stratification treatment under the condition of 2-4 DEG C to obtain hull-broken seeds; culturing three-slit-period shell-broken seeds serving as a germination material under a dark condition at 17-22 DEG C, and performing seed germination. The method can significantly improve the germination rate of the thesium chinense seeds, and has a good application prospect.

The present invention relates to the technical field of plant cultivation and particularly to a method for promoting germination of polygonatum cyrtonema seeds. The method comprises the following steps: S1, processing river sand; S2, processing polygonatum cyrtonema fruits; S3, preparing a 200 mg/kg gibberellin solution, using the gibberellin solution to moisten the river sand in the S1 to a humidity of 14%-18%; S4, treating polygonatum sibiricum seeds; S5, conducting stratification of the polygonatum sibiricum seeds in the S4 in the river sand in the S3, conducting treatment at 28 DEG C-29 DEG C for 45 days and keeping the humidity of the river sand at 14%-18% during the treatment period to obtain germinated polygonatum sibiricum seeds; and S6, conducting a low-temperature treatment of the polygonatum cyrtonema seeds in the S5 and then sowing the seeds in the soil. Compared with polygonatum cyrtonema seeds in a natural state, the polygonatum cyrtonema seeds treated by the method havea germination rate increased to 92% or more and an emergence rate increased to 83% or more. Compared with the polygonatum cyrtonema seeds treated by a conventional germination technology, the polygonatum cyrtonema seeds treated by the method of the present invention are also obviously increased in the germination rate and emergence rate and greatly improved in breeding efficiency of polygonatum cyrtonema seedlings.

The invention discloses a rapid seedling raising method of Codonopsis pilosula seeds with high germination rate, belonging to the technical field of seedling raising of Chinese medicinal materials. The invention adopts stratification treatment, seed pelletization and seed dressing with plant ash carrying citric acid with the content of 35% when sowing, which has certain promoting effect on seedling cultivation and yield improvement of Codonopsis pilosula, and overcomes the defect of low storage and germination rate for a long time. As that seeds of the Codonopsis pilosula are stratified and then pelletized, the germination rate of the seed of the Codonopsis pilosula is greatly improved to 99.3%, which is obviously superior to the seed drying treatment before sowing and the seed soaking inwarm soup and shade drying treatment. The yield of the Codonopsis pilosula is 515-521kg/mu after harvesting, the disease prevention effect is 96.9-97.7%, the yield is increased by 28.75-30.25%, and the economic benefit is remarkable.

The invention belongs to a paris polyphylla seedling breeding technology, and relates to a method for rapidly germinating paris polyphylla seeds. The method comprises the steps that mature paris polyphylla seeds are used as a material, and a rapid paris polyphylla seed germination technical system is established through the steps of testa removal treatment, exogenous hormone seed soaking treatment, wet sand stratification treatment, germination accelerating treatment and the like in sequence. According to the method for rapidly germinating the paris polyphylla seeds, the seed germination time can be shortened to 75 days; and the seed germination rate reaches 95% or above. According to the method for rapidly germinating the paris polyphylla seeds, the problems of long germination time and low germination rate of the paris polyphylla seeds can be solved, and a feasible technical scheme is provided for cultivating high-quality and high-yield paris polyphylla seeds and meeting urgent needs of the market.

The invention relates to the technical field of seed treatment, in particular to a germination accelerating method for increasing the germination rate of sorbus alnifolia seeds. According to the germination accelerating method, the sorbus alnifolia seeds are treated through a sand mixing variable temperature method, the germination accelerating time is about 130 d, wherein high-temperature treatment is conducted with the humidity of seed sand keeping at 40%-50% for about 40 d at the high temperature of 25-28 DEG C; and the low-temperature treatment is conducted with the humidity of the seed sand keeping at 50%-60% and the air humidity of about 60% for about 90 days at the low temperature of 3 DEG C +/-1 DEG C. The germination potential and the germination rate of the seeds can reach 75.0% and 80.7% respectively; compared with a conventional outdoor sand mixing stratification method, the germination accelerating time is shortened by 10 days, and the germination potential and the germination rate are increased by 15.7% and 17.0% respectively; and compared with a sand mixing cellaring method, the germination accelerating time is equivalent, and the germination potential and the germination rate are increased by 20.7% and 19.4% respectively.

The invention provides a method for improving the germination rate of macleaya cordata seeds. The method comprises the following steps: treating the macleaya cordata seeds with an exogenous reagent, and carrying out cultivation and germination on a cultivation medium after stratification and lamination, wherein the exogenous reagent is a mixed solution of concentrated hydrochloric acid, cytokinin,gibberellin and polyethylene glycol in sequence. The method provided by the invention can remarkably promote germination of the macleaya cordata seeds, the germination rate is improved to 75-80% andis improved by nearly 3 times, artificial cultivation of the macleaya cordata seeds is facilitated, and the cultivation cost is greatly saved.

The invention discloses a seedling raising method for symplocos paniculata seeds. The seedling raising method comprises the steps that mature seeds are collected and subjected to stack retting, the mature seeds are scrubbed with clear water after stack retting is completed, the seeds are obtained, liquid obtained after stack retting is collected, filtering and impurity removing are carried out, and stack retting filtrate is obtained; bad seeds are removed, the seeds are soaked in a first solvent at 30-55 DEG C for at least 1 hour, cooling is carried out to a room temperature, soaking is carried out for 5-15 hours, the seeds are fished out and frozen at -5 to -10 DEG C for 10-24 hours, and the seeds are taken out and unfrozen at the room temperature; the unfrozen seeds are put into a second solvent at 45-50 DEG C for being soaked for 0.5-3 hours, are cooled to the room temperature and fished out, then the seeds are frozen at -5 to -10 DEG C for 6-12 hours, and are taken out and unfrozen again; and the seeds unfrozen again are subjected to stratification and refrigeration and then sieved, the sieved seeds are evenly mixed with river sand, the river sand mixed with the seeds is placed at the temperature of 15-30 DEG C for germination accelerating, the seeds subjected to germination accelerating are sieved and sown, and symplocos paniculata seedlings are obtained.

The invention relates to a koelreuteria paniculata cold region seedling raising method which comprises the steps of seed collection, seed stratification treatment, germination accelerating treatment,nursery land preparation, sowing, seedling stage management and the like. According to a seed stratification treatment, appropriate stratification treatment conditions are provided according to the characteristic of adaptation to local conditions, after-ripening of koelreuteria paniculata seeds is completed step by step for 5 months of stratification treatment, the dormancy characteristic of the seeds is effectively overcome, and the germination capacity of the seeds is improved. Germination accelerating treatment is combined, high-temperature hot water and an ABT rooting powder solution are used for soaking in sequence, seed recovery is accelerated, then the seeds are mixed with wet sand and aired until the seeds crack, and the germination rate is increased. After sowing, a shading net isused for covering at a budding stage to prevent seedlings from being sunburnt, monopotassium phosphate serves as an efficient phosphorus-potassium compound fertilizer, the disease and pest resistanceof the seedlings is improved, excessive growth is prevented, and the survival rate of the seedlings is improved through scientific and reasonable seedling management. The seedling raising problem ofkoelreuteria paniculata in cold regions, especially at the middle portion in Jilin Province, is solved.

The invention belongs to the technical field of germination of plant seeds and particularly relates to a method to improve germination of Brasenia schreberi seeds and application of the method. Dormancy breaking and germination of Brasenia schreberi seeds are promoted herein through cold-damp stratification. Gibberellin (GA3) soaking of seeds after cold-damp stratification helps increase the germination rate of the Brasenia schreberi seeds; especially 240 days after cold-damp stratification, the Brasenia schreberi seeds are treated with 2.5 mmol/L gibberellin solution for 6 hours, germinationrate of the Brasenia schreberi seeds is up to 76.0+/-0.8%. The Brasenia schreberi seeds are normal seeds; suitable dehydration helps promote the dormancy breaking and quick germination of the Braseniaschreberi seeds; especially hydration is carried out until water content of the Brasenia schreberi seeds is 9.7+/-0.1%, and germination rate of the Brasenia schreberi seeds reaches 84.0+/-2.8% afterthe Brasenia schreberi seeds are subjected to cold-damp stratification for 135 days. The method herein is a current optimal scheme to rapidly increase the germination rate of fresh mature Brasenia schreberi seeds.