47results about How to "Increase germination rate" patented technology

The invention discloses methods for promoting introduction, preservation, germination and seedling raising of piptanthus nepalensis seed. An efficient preservation method provided by the invention is characterized by firstly selecting high-quality fresh seeds and then preserving the fresh seeds for a long time at a low temperature of 0-5 DEG C in a sealed environment. The seed germination and seedling raising method provided by the invention comprises variable temperature imbibition, acid etching with 98% concentrated sulfuric acid, seed soaking in warm water and constant temperature accelerating germination. By utilizing the preservation technology provided by the invention, the worm eating rate of the seeds is reduced to 0%, the germination rate is improved by about 40% compared with that in the conventional method, the germination rate and the seedling rate are improved and the seedling raising process is shortened. The methods provide key technology for efficient preservation, introduction and culture of piptanthus nepalensis germplasm resources.

The invention provides a quick and high-efficiency cephalotaxus hainanensis seed seedling breeding method which belongs to a quick and high-efficiency plant seed seedling breeding method. The method comprises the following steps: (1) seed collection; (2) cleaning and sterilization of seeds; (3) release of seed dormancy at low temperature; (4) sterile germination of seeds; and (5) acclimatization and transplantation. The invention can enhance the seed germinating bud rate to more than 90% (enhanced by about 70%), and the seeding viability exceeds 90% (enhanced by about 60%); compared with the traditional method, the stocking time is shortened by about 2 / 3; the regular high-quality cephalotaxus breeding seedlings can be produced; and the invention provides technical support for the quick propagation and restoration protection of rare or endangered species of cephalotaxus hainanensis and the development and utilization of resources.

The invention discloses a planting method for high-yield and high-quality wax guard. The method specifically comprises the following steps of seed selection, seed processing, seed sowing, seedling transplanting and pest control. According to the planting method, a gibberellin solution is used for stirring and seed soaking, and then clean water is immediately used for thorough cleaning, then, warm water is used for soaking, the seed germination rate can be effectively increased, the seed germination time is shortened, and the seeds sprout neatly and uniformly; the adopted seedling raising substrate is balanced in compatibility, the raw materials interact with each other, release of nutritional ingredients can be effectively improved, abundant nutritional ingredients are provided for seedling growth, the emergence rate is improved, vigorous growth of seedlings is promoted, the high sterilization capability is achieved, bacterium damage can be effectively restrained, disease resistance of seedlings is enhanced, and the seedling survival rate is increased. The adopted pesticide is scientific and reasonable in formula, has the efficient sterilization and insecticide capability and can remarkably lower the liriomyza sativae damage rate.

The invention discloses a method for optimizing the seedling emergence and growth condition at early stage of root tuber and tuber propagating materials. Water stress is carried out to parted seed pieces by using a method of natural dehydrations and then grown according to a conventional method. Ideal technical effect can be achieved if the proportion of moisture loss is controlled within the scope of 14.82 percent to 46.44 percent. The method of the invention solves the bias of the prior art, has dual-directional regulation effect, and is capable of promoting the germination rate of the seed pieces which still do not sprout and have short sprouts without producing much influence on seed pieces which have long sprouts, thereby obviously improving the uniformity and growth condition in later stages of emergent seedlings. The method has simple operation and has the advantages of being simple, economical and practical, and requires no extra economic investment.

The invention relates to a fast-sprouting cynomorium songaricum seed mat and a preparation method thereof. The seed mat sequentially comprises a covering layer (1), a mixed slurry layer (2) and a mat type layer (4) which are adhered with one another and have basically identical shapes from top to bottom, wherein the cynomorium songaricum seeds are inlaid in the mixed slurry layer according to a random cluster shape or strip shape, and the ratio of the length to the width of the cynomorium songaricum seed mat is (1.5-2.5):1. The preparation method mainly comprises the steps of seed processing, slurry preparation and seed mat preparation. The cynomorium songaricum seed product provided by the invention has the advantages that the utilization efficiency of the cynomorium songaricum seeds and the seed spouting speed rate under the drought conditions can be improved obviously, the cynomorium songaricum seeds are more conveniently sowed in the desert environment, the sowing quality can be improved, and the seeds can be saved; and the roots of hosts such as nitraria tangutorum bobr, zygophyllum and the like can be promoted to sprout and grow towards the direction of the seed mat, and the parasitic efficiency can be enhanced.

A sowing unit including water-absorbing material, an enclosure and a seed, wherein the water-absorbing material includes a hygroscopic negatively-charged material capable of binding a positively charged nutrient ion selected from NH4+, L-arginine, L-lysine and L-histidine; and optionally a nutrient including a positively charged nutrient ion selected from K+, NH4+, L-arginine, L-lysine and L-histidine. Methods and uses of the sowing unit are described.

The invention provides a seedling raising method of Capsicum annuum L. var. conoides (Mill.) Irish. The method comprises the following steps: seed treatment and germination, seedling raising preparation, seedling raising management and transplant cultivation. According to the planting method, the germination rate and the survival rate are improved though disinfection and germination treatment of Capsicum annuum L. var. conoides (Mill.) Irish seeds, and through special seedling substrate seedling raising and strict seedling raising management; and the purposes of biomass recycling and seedling-raising cost reducing are realized through rational utilization of crop straws.

The invention belongs to the technical field of plant planting equipment, and particularly discloses planting equipment used for cassia obtusifolia. The equipment comprises a base board, rollers are arranged on the lower part of the base board, a supporting rod and a placement barrel are arranged on the base board, a supporting board is arranged on the supporting rod, a motor is arranged on the supporting board, a drill is arranged on the output shaft of the motor, a guiding barrel is arranged on the motor, a discharging port is formed in the guiding barrel, a baffle is arranged on the placement barrel, a first spring is arranged between the baffle and the placement barrel, a placement pipe is arranged on the bottom of the placement barrel, a strut is hinged to the part, located in an eccentric position, of the roller, and the end, away from the roller, of the strut is hinged to the supporting board. The equipment is mainly used for planting the cassia obtusifolia, so that the problemis solved that during cassia obtusifolia sowing, the emergence rate is affected due to inconsistent seed placement numbers.

The invention discloses an intelligent seedling-raising box being convenient to move. The box comprises a bottom rack, pulleys and a seedling-raising room. The right side of the seedling-raising room is provided with a control box. Two partition boards are arranged in the seedling-raising room and divide the seedling-raising room into three areas. Each area is provided with a cultivation box. The lower end of each cultivation box is connected with a sewer pipe. The lower end of each sewer pipe is connected with a water drainage pipe. Each partition board is provided with a temperature sensor. The upper end in the interior of the seedling-raising room is provided with multiple heating lamps. The left side of the seedling-raising room is provided with a water tank. The upper end of the water tank is provided with a water pump. The upper end of the water pump is connected with a water outlet pipe. Seeds are planted in cultivation boxes of the seedling-raising room. Under control of the control box, the water pump is started to regularly spray water to the cultivation boxes such that soil is kept moisture before seed germination. The heating lamps are used for heating the seedling-raising room such that the interior of the seedling-raising room is always at the indoor temperature. The seed germination speed is increased.

The invention relates to the planting field and particularly discloses a seedling culture method for paper mulberry seeds. A paper mulberry seedling culture device is adopted in the method, a part above a first groove is an airing region for the paper mulberry seeds, a region between the first groove and a second groove is a soaking region and a moisture preserving region for the paper mulberry seeds, and a part below the second groove is a nutrition liquid placement region. In a germination process, the paper mulberry seeds can be repeatedly soaked to be rapidly cracked, so that the required germination time is shortened, and therefore, the germination rate is increased; and meanwhile, seedling culture rods are flexibly slid to use a water storage tank sectionally in a seedling culture stsage of the paper mulberry seeds, so that the paper mulberry seeds can rapidly germinate to form paper mulberry seedlings. According to the scheme, the germination rate of the paper mulberry seeds can be increased, and the required germination time of the paper mulberry seeds can be shortened.

The invention discloses a germination method of Leymus chinensis seeds, relating to a seed germination method, and solving the technical problems of long dormancy period and low germination rate of Leymus chinensis seeds. The method comprises the following steps of: 1, soaking shelled Leymus chinensis seeds in sterile water at 5 DEG C and in a dark condition, disinfecting the seeds with ethanol and NaClO solution, washing the seeds with sterile water, and sowing the seeds in an MS culture medium; 2, culturing for 16 hours in the dark condition and at 28 DEG C, then culturing for 8 hours at 22 DEG C, and then circulating by taking 24 hours as a cycle; and 3, germinating for 2-14 days in the conditions in the step 2 to finally obtain the germinated Leymus chinensis seeds. The method disclosed by the invention is simple and easy, simple in operation, obvious in effect, and capable of increasing the germination rate of the shelled Leymus chinensis seeds to 75.42% after low-temperature (5 DEG C) treatment from 54.47% without the low-temperature (5 DEG C) treatment.

The invention relates to a method for improving the cynodon dactylon seed germination rate. The method includes: 1. sunning cynodon dactylon seeds in a 30DEG C illumination incubator for 3d; 2. undera lighting condition, performing culture at 20DEG C for 12h, conducting culture at 30DEG C for 12h, and carrying out cycling with 24h as a period; and 3. conducting germination for 2-10d under the condition of step 2 so to obtain germinated cynodon dactylon seeds. The method provided by the invention has the characteristics of simplicity and feasibility, easy operation and obvious effect, can increase the germination rate of cynodon dactylon seeds from the 35% of untreated normal temperature culture to 95% after variable temperature treatment.

The invention discloses an intelligent seedling-raising box convenient to move. The seedling-raising box comprises a base frame, pulleys and a seedling-raising chamber; a control box is arranged at the right side of the seedling-raising chamber, two clapboards are arranged in the seedling-raising chamber and divide the seedling-raising chamber into three areas, a culturing box is arranged in each area; the lower ends of the culturing boxes are all connected with lower water pipes, and the lower ends of the lower water pipes are connected with a drainage pipe; each clapboard is provided with a temperature sensor; a plurality of heating lamps are arranged at the upper end of the interior of the seedling-raising chamber, a water tank is arranged at the left side of the seedling-raising chamber, a water pump is arranged at the upper end of the water tank, and a water outlet pipe is connected to the upper end of the water pump. Seeds are planted in the culturing boxes in the seedling-raising box; the water pump is switched on to spray water into the culturing boxes at a regular period under the control of the control box to keep soil wet before the seeds germinate; the heating lamps can be adopted to increase the temperature in the seedling-raising chamber to be always in a room-temperature state, so that the rate of seed germination is increased.

The invention relates to a method for promoting germination of seeds and specifically relates to a method for promoting germination of abutilon theophrasti seeds. The abutilon theophrasti seeds are treated by use of different seed soaking methods, so that the problem of low germination rate due to hard abutilon theophrasti seeds and the like can be solved and the germination rate of the abutilon theophrasti seeds can be rapidly increased in short time; besides, the method is capable of increasing the germination potential, the fresh weight, the seedling height and the root length, speeding up the germination of the abutilon theophrasti seeds and promoting strong seedling, and is significant for increasing the propagation coefficient of abutilon theophrasti, protecting resources and improving the efficiency of artificial cultivation.

The invention discloses a cherry tomato seed germination accelerating method. The method comprises the steps as follows: (1) selecting seeds, firstly, naturally airing the seeds, and then placing the seeds in a dark environment at 10-15 DEG C to be dried in the shade; (2) soaking the seeds with a formalin solution firstly, washing the seeds with clear water, then, soaking the seeds with warm water and drying the seeds; (3) performing thermal treatment on the seeds; (4) soaking the seeds in a seed soaking agent; (5) placing the seeds in a nutrient solution, placing the seeds in microwave equipment for microwave treatment, and soaking the seeds at the normal temperature; (6) refrigerating the seeds for physiological after-ripening; (7) mixing the seeds with a germination accelerating matrix, and placing the mixture in an illumination culture box for culture; (8) uniformly mixing the seeds with rare earth, then uniformly mixing the mixture with fine earth, and sowing the mixture on a seedbed. The cherry tomato seed germination accelerating method is high in germination rate, short in emergency time, environment-friendly, convenient in management and high in seedling survival rate, and cherry tomatoes planted with the germination accelerating method taste good, are good in quality and have high nutritional value.

The invention discloses a simple seed germinator which comprises a germinator body, wherein an end cover sleeves the upper end of the germinator body; the center of the upper end of the end cover is fixedly provided with a carrying handle; the upper wall of the carrying handle is provided with a light button; and the center of the lower wall of the end cover is provided with a daylight lamp. The simple seed germinator is mainly provided with an illumination mechanism and a heating mechanism, and can provide lighting for seeds in the germinator, and the seed germination rate can increase with the increase of the temperature; a wire net is arranged above a heating base, and three seed placement boxes are arranged on the wire net, and thus, the simple seed germinator can simultaneously accelerate germination of three kinds of seeds; and by arranging a nutrient solution placement box on the heating base, the nutrient solution and water can be evaporated with the increase of the temperature and finally sufficiently contact with the seeds, thereby increasing the seed germination rate. The simple seed germinator is more convenient to use, and has higher practicality.

The invention, which belongs to the technical field of plant genetic engineering, discloses a miR1866 gene for controlling rice seed germination, an overexpression vector and a preparation method thereof, a gRNA expression vector, and application thereof. According to the technical principle of CRISPR / Cas9 and high-expression miRNA, the expression of the miR1866 gene in rice is regulated and controlled. A small interference fragment of the miR1866 gene is designed, expression vectors of pH-Ubi-CAS9-miR1866 and pTCK303-miR1866 are constructed, a japonica rice variety Nipponbare is introduced byusing an agrobacterium-mediated method, screening is carried out by using hygromycin (Hyg) resistance marker to obtain a positive transgenic plant, and the mutation of the miR1866 and the expressionquantity of the miR1866 gene are identified respectively by sequencing and a qRT-PCR method. The result shows that a miR1866 mutant plant and a miR1866 high-expression plant are obtained respectively.Compared with the wild Nipponbare, the planted Nipponbare has the following beneficial effects: the seed germination rate of the miR1866 mutant plant is remarkably reduced and the seed germination rate of the miR1866 high-expression plant is remarkably increased.

An efficient sterile sowing and seedling raising method for hybrid seeds of camellia nitidissima Chi is provided. The method includes selecting the hybrid seeds free of disease and pest harms and free of injuries; disinfecting the seeds to obtain the sterile hybrid seeds; sterilizing a sowing medium; then under sterile conditions, sowing the disinfected hybrid seeds to sterilized fine sand or fine sand to which 6-benzylamino adenine is added; after sowing, culturing the hybrid seeds at 23-25 DEG C under complete-dark conditions until cotyledons are exposed from the sowing medium; then culturing the seedlings at 23-25 DEG C under a condition that illumination intensity of natural scattered light is 2800-32001x until the heights of the seedlings are 4-5 cm; and then transplanting the seedlings to a transplanting medium in a sealed environment the air humidity of which is 80-90% and the temperature of which is 23-25 DEG C. The method can increase the germination rate of the hybrid seeds of camellia nitidissima Chi, can increase the sowing and seedling raising efficiency and can reduce loss of hybrid germplasm.

The invention relates to the technical field of fruit tree planting, and particularly relates to a planting method of ginkgo. The planting method comprises the following steps: seeds are disinfected with a potassium permanganate solution and then are soaked in a warm soup, and the obtained seeds are uniformly spread on a seedbed; after the seeds germinate, the seeds are sprayed with rooting wateronce a day for 4-6 days, seed germination is observed every 3-4 days, and conventional seedling management is performed, wherein the rooting water consists of the following components in parts by weight: 0.5-1 part of colchicine solution, 7-9 parts of rooting powder, 3-5 parts of allyl isothiocyanate, 3-5 parts of datura stramonium extract liquid, 10-15 parts of wicker immersing solution, and 2-3parts of anhydrous ethanol; and finally, seedling transplanting and pastoral management are performed. According to the planting method for the ginkgo, seed germination is significantly promoted, seedgermination rate and seedling rooting rate are improved, root system of the seedlings is well developed, roots are deep and leaves are luxuriant, and the survival rate is high; and moreover stress resistance of the seedlings is improved, quality of the ginkgo is improved, use of pesticides is reduced, and cost is reduced; and the planting method is scientific and environment friendly.

The invention discloses a method for promoting germination of cassia seeds in a high and steep slope protection substrate. The method comprises the following steps: breaking dormancy of the cassia seeds by combining chemical and biological measures, preparing a slope, hanging a net, preparing a base layer and a surface layer of the high and steep slope protection substrate, spray-seeding and maintaining. The method can break the dormancy mechanism of hard cassia seeds, significantly improve the germination rate of cassia seeds, overcome the problem that herbaceous plants and shrub plants cannot be conducted at the same time and cannot cooperatively grow in the current vegetation slope protection technology, and provide an adaptive environment for the germination and growth of shrub seeds in the vegetation slope protection engineering. The shrub cassia seeds have high survival rate. The construction technology is convenient and fast, the cost is reduced, meanwhile, the restoration purpose of three-dimensional greening organically combining grass and wood is achieved, and the method has important significance on ecological succession and species diversity research of slope ecological protection engineering.

The invention belongs to the field of plant growth regulators and provides a regulating agent for regulating high-temperature stress of oilseed rape siliques. The regulating agent is used for alleviating inhibition of high-temperature stress on photosynthesis of oilseed rape siliques. The regulating agent is mainly prepared from sodium selenate, sodium hydrosulfite, salicylic acid, potassium dihydrogen phosphite, brassinolide and water. By the design, the regulating agent for regulating high-temperature stress of the oilseed rape siliques has an effect of increasing the germination rate of autumn oilseed rape in dry land of the Yangtze River Basin. By solution formed by combination of different agents, agents in the regulating agent for regulating high-temperature stress of oilseed rape siliques are capable of activating and improving activity of seed germination related enzymes after soaking of oilseed rape seeds, radicle growth is promoted, and moisture absorption and transporting capacity of seedlings is increased. In addition, the regulating agent for regulating high-temperature stress of oilseed rape siliques is capable of inhibiting disease damages in a seedling stage to guarantee germination quality, and full seedlings in once seeding are realized.

The invention discloses a method for treating the germination of seeds. The method comprises the following steps of: firstly, preparing sodium sulfate electrolyte at the concentration of between 0.001 and 0.1mol / L, or uniformly mixing urea, NaBr(NaCl) and KBr in a molar ratio of 79 percent:19.5 percent:1.5 percent, controlling the temperature to be between 60 and 90 DEG C for dissolution, adding formamide or glycol in a volume which is equal to that of the mixture, and stirring and filtering to obtain ionic liquid electrolyte; secondly, disinfecting the seeds for 2 to 10 minutes by using 5 percent solution of sodium hypochlorite, putting the seeds into a diaphragm-free electrolyzer, adding the prepared sodium sulfate electrolyte or the ionic liquid electrolyte at the volume concentration of between 1 and 30 percent at the same time, and electrolyzing under the voltage of 1 to 10V at room temperature for 1 to 6 hours by taking titanium as a cathode and platinum as an anode and using a direct current or pulse electrolysis system; and finally, cleaning by using distilled water, performing microwave treatment, and drying. In the method, free radicals and microcurrent generated by an electrochemical system in situ are utilized to act on seed cells to ensure that the activity of enzyme inside the seed cells is strengthened, so that the germination of the seeds is promoted; and the germination percentage of the seeds is improved by 5 to 30 percent.

The invention belongs to the field of microorganisms, and relates to Pseudomonas koreensis and application, the Pseudomonas koreensis is Pseudomonas koreensis GS, the Pseudomonas koreensis GS is submitted and preserved in the China General Microbiological Culture Collection Center (CGMCC) on September 22, 2021, and the preservation number is NO.23459. The invention further discloses a preparation method of the Pseudomonas koreensis GS. The invention provides Korean pseudomonas capable of improving the growth condition of tomato plants under the drought stress condition, improving the tomato resistant enzyme activity, reducing the cell MDA content and improving the tomato drought tolerance and application thereof.

The invention discloses a malt germination circulating air supply device. The malt germination circulating air supply device comprises a germination box and a drive motor, wherein a heating atomization device is mounted at the center of the upper end of the germination box; the output end of the heating atomization device is connected with an exhaust pipe; the lower end of the exhaust pipe runs through the top wall of the germination box and is connected with the input end of a transverse pipe inside the germination box; a plurality of air injection pipe openings are distributed at the lower end of the transverse pipe uniformly; the drive motor is mounted on the outer side of the germination box; a drive shaft of the drive motor passes through and is fixedly connected with a first belt wheel; the inner wall of the germination box is connected with a rotating shaft in a rotating manner; the end, away from the inner wall of the germination box, of the rotating shaft passes through the other side wall of the germination box and extends to the outer side of the germination box; and the rotating shaft positioned on the outer side of the germination box passes through and is fixedly connected with a second belt wheel. According to the device, germination treatment is carried out in a circulating air supply manner, so that the utilization rate of resources is improved, the quality ofgermination is guaranteed, and the using requirement is met.

The invention discloses a cultivation method for rapid breeding of allium fistulosum. The method comprises the following steps of seed selection, germination acceleration, sowing, seedling lifting fertilizer application, vernalization and cultivation. During germination acceleration, selected seeds without bud shells are placed in a container, a salicylic acid solution with the concentration of 0.5 mg / L-1.0 mg / L is sprayed into the container filled with the seeds and soaks the seeds for 3-4 hours, then a tray with the seeds is put in a germplasm storage box with the temperature of 0-3 DEG C, refrigeration is performed for 1-3 days, the seeds are taken out, the surfaces of the seeds are covered with wet gauze, the seeds are put in a dark place, and germination is accelerated for 1-2 days, thereby germinating the seeds. The seeds are selected and soaked in the salicylic acid solution, and then the seeds are taken out and refrigerated at the low temperature, so that seed dormancy can be rapidly relieved, and gibberellin and cytokinin in the seeds are sharply increased to promote seed germination; and a growth promoter is sprayed during sowing, seedling lifting fertilizer is applied, and vernalization and cultivation are carried out, so that allium fistulosum breeding can be further promoted, and the breeding time is shortened.

The invention discloses a cultivation method for rapid breeding of scallions, which comprises the following steps: selecting seeds, accelerating germination, sowing, applying seedling fertilizer, vernalization and cultivating. When accelerating germination, the selected seeds removed from the bud shell are placed in a container, and Spray a salicylic acid solution with a concentration of 0.5mg / L-1.0mg / L in the container containing the seeds, make it submerge the seeds, soak for 3-4h, and then place the tray containing the seeds at a temperature of 0°C-3 ℃ in the seed storage box, refrigerated for 1-3 days, took out and covered the surface of the seeds with wet gauze, placed in a dark place, and germinated for 1-2 days to make them germinate. acid solution, and then take it out and refrigerate it at low temperature, which can quickly release the dormancy of the seeds, increase the gibberellin and cytokinin in the seeds, and promote the germination of the seeds. It can further promote the breeding of scallions and shorten the breeding time.

The invention belongs to the technical field of plant planting equipment, and particularly discloses planting equipment used for cassia obtusifolia. The equipment comprises a base board, rollers are arranged on the lower part of the base board, a supporting rod and a placement barrel are arranged on the base board, a supporting board is arranged on the supporting rod, a motor is arranged on the supporting board, a drill is arranged on the output shaft of the motor, a guiding barrel is arranged on the motor, a discharging port is formed in the guiding barrel, a baffle is arranged on the placement barrel, a first spring is arranged between the baffle and the placement barrel, a placement pipe is arranged on the bottom of the placement barrel, a strut is hinged to the part, located in an eccentric position, of the roller, and the end, away from the roller, of the strut is hinged to the supporting board. The equipment is mainly used for planting the cassia obtusifolia, so that the problemis solved that during cassia obtusifolia sowing, the emergence rate is affected due to inconsistent seed placement numbers.

The invention relates to a method for promoting germination of seeds and specifically relates to a method for promoting germination of abutilon theophrasti seeds. The abutilon theophrasti seeds are treated by use of different seed soaking methods, so that the problem of low germination rate due to hard abutilon theophrasti seeds and the like can be solved and the germination rate of the abutilon theophrasti seeds can be rapidly increased in short time; besides, the method is capable of increasing the germination potential, the fresh weight, the seedling height and the root length, speeding up the germination of the abutilon theophrasti seeds and promoting strong seedling, and is significant for increasing the propagation coefficient of abutilon theophrasti, protecting resources and improving the efficiency of artificial cultivation.

The invention relates to the technical field of pesticides, in particular to a preparing method of a seed soaking agent. A reaction film is prepared from alkali lignin and polyvinyl alcohol and wrapsseeds, and therefore diseases caused by bacteria are effectively restrained; since lignin and polyvinyl alcohol are soluble, the distance between polyvinyl alcohol molecules is increased, the hindrance of gas molecules is relatively reduced, diffusion is easy, and therefore the breathability of the thin film becomes larger; after a crosslinking agent is added, the hydroxyl reaction with lignin andthe hydroxyl reaction with polyvinyl alcohol are carried out, lignin molecules and polyvinyl alcohol molecules are integrated and are better in reaction, and the light permeability of the thin film is improved; due to the breathability and light permeability of the thin film, normal breathing of the seeds is not influenced; meanwhile, chitosan and the thin film can be combined to form water-retaining gel, and therefore the water retaining and drought resisting performance of the seeds is improved.

An efficient sterile sowing and seedling raising method for hybrid seeds of camellia nitidissima Chi is provided. The method includes selecting the hybrid seeds free of disease and pest harms and free of injuries; disinfecting the seeds to obtain the sterile hybrid seeds; sterilizing a sowing medium; then under sterile conditions, sowing the disinfected hybrid seeds to sterilized fine sand or fine sand to which 6-benzylamino adenine is added; after sowing, culturing the hybrid seeds at 23-25 DEG C under complete-dark conditions until cotyledons are exposed from the sowing medium; then culturing the seedlings at 23-25 DEG C under a condition that illumination intensity of natural scattered light is 2800-32001x until the heights of the seedlings are 4-5 cm; and then transplanting the seedlings to a transplanting medium in a sealed environment the air humidity of which is 80-90% and the temperature of which is 23-25 DEG C. The method can increase the germination rate of the hybrid seeds of camellia nitidissima Chi, can increase the sowing and seedling raising efficiency and can reduce loss of hybrid germplasm.