30results about How to "Normal germination" patented technology

The invention belongs to the technical field of agricultural microorganisms, in particular to Bacillus velenzensis and application thereof to biological control. The Bacillus velenzensis disclosed bythe invention is Bacillus velezensis Bv-6, and a preservation number is CCTCC NO:M20191106. The Bacillus velenzensis fermented solutions or powder can effectively inhibit growth of mycelia of important pathogens (Sclerotinia sclerotiorum(Lib.)de Bary, Botrytis cinerea Pers. and Blackleg) on rapes, and germination of conidiophores and ascospores; and through seed soaking treatment of the fermentedsolutions, the seeds of the rapes can be normally germinated and grown, and the edisease resistance of plants can be improved. In addition, the Bacillus velenzensis has the characteristics of being high in proliferation speed, high in stability, high in temperature resistance and free of toxicity. Therefore, the Bacillus velezensis strain Bv-6 has the potential of developing and utilizing the function of the biological control.

The invention discloses a method for restoration of high-concentration uranium-polluted soil by water spinach. The method provided by the invention comprises the following steps of refining and flatting uranium-polluted soil, applying 3000 to 4000kg of human and animal manure as base fertilizer to the uranium-polluted soil, carrying out accelerating germination of seeds, carrying out sowing according a sowing ratio of 2.0 to 2.5 kilograms per mu, when rattan has length of 40 to 50 centimeters, harvesting stems and leaves on the ground, transferring the stems and the leaves from the uranium-polluted soil, carrying out concentrated treatment on the stems and the leaves, wherein in harvest, stubble has length of 1 to 2 sections so that regeneration is promoted, when regenerated rattan has length of 40 to 50 centimeters, carrying out harvesting again, wherein harvesting frequency per year is in a range of 4 to 5, and carrying out topdressing after each harvesting so that regenerated seedling growth is promoted. The method provided by the invention has the advantages of simple processes, convenient management, low cost and good restoration effects.

The invention discloses a method for restoring wet land and mud-flat soil polluted by high-concentration cesium. The method comprises the steps of transplanting 100 sections of subterraneous stems and roots of alternanthera philoxeroides for each square meter of wet land and mud-flat soil polluted, and keeping more than 80% of water holding capacity in soil fields; harvesting and intensively processing overground parts of the plants when the main stems are about 50cm; in harvesting, reserving 1-2 sections of stubbles so as to be beneficial to regeneration, and harvesting and intensively processing the plants again when the main stems of the seedlings are about 50cm; harvesting the plants for three times in one year, and harvesting for a plurality of years; and applying a compound fertilizer additionally in 15-20 days after the seedlings are transplanted or harvested. According to the method, the operation is simple, the management is convenient, the cost is low, and the restoring effect is good.

The invention relates to a method for improving the hybridization fructifying rate of wheat and elytrigia repens, which comprises the following steps: selecting a shortest stalk sterile plant of wheat as a female parent and selecting elytrigia repens as a male parent to be hybridized; planting the elytrigia repens in a greenhouse at 23 DEG C-28 DEG C from August to September and heating and irradiating the elytrigia repens at the temperature lower than 15 DEG C in winter for 10 hours / day of illumination time to enable the elytrigia repens to bloom and scatter pollen in late April of the next year; transplanting the shortest stalk sterile plant of the wheat in a flowerpot to be placed under an elytrigia repens plant and cutting one third of glume to enable a stigma of the shortest stalk sterile plant to be exposed after growth; and leading the pollen of the elytrigia repens to freely fall on the stigma of the shortest stalk sterile plant of the wheat during pollen scattering. The invention solves the problems of difficult hybridization and low fructifying rate between common wheat and the elytrigia repens, saves power and time and has high efficiency and can transfer good genes of the elytrigia repens in the common wheat at maximum so as to synthesize novel species and types.

The invention discloses a collection, storage, in-vitro culture and viability detection technology for acacia auriculiformis pollen. The technology comprises the following steps: collecting acacia auriculiformis inflorescence blooming in the morning, placing into a sulfuric acid paper bag, and drying in the shade inside at 25-30 DEG C; collecting pollen when anthers greatly crack after 10 o'clock in the next morning, and screening by virtue of a sieve; putting the collected pollen into a small glass bottle, adding dry allochroic silicagel, vacuumizing and sealing with wax; storing the sealed pollen at 25 DEG C to -25 DEG C; and germinating the pollen, namely putting the stored pollen into a liquid culture medium and germinating at 25-35 DEG C. According to the method disclosed by the invention, the technical problems of collection, storage and germination of the acacia auriculiformis pollen are solved; the germination rate of the acacia auriculiformis pollen can be significantly improved; the germination of the acacia auriculiformis pollen stored at -20 DEG C for a year is still 48%; and compared with similar artificial hybridization pollination and artificial pollination of seed orchards, the technology disclosed by the invention has great significance on improvement of the seed yield and quality.

The invention provides a cultivating method of cross-year regrowing rice seeds. According to the cultivating method, wild rice containing cold-resisting and root-flourishing genes is adopted as a male parent, DS89-1 glutinous rice is adopted as a female parent, 3-5 times of recrossing is carried out, and then the cross-year regrowing rice seeds can be obtained. The invention further provides a seedling planting method of the cross-year regrowing rice seeds. Rice which is grown from the cross-year regrowing rice seeds obtained through the cultivating method and is planted according to the seedling planting method has the advantages of being high in yield and milled rice rate, good in rice quality, capable of regrowing in the next year and strong in cold resistance, drought resistance, lodging resistance and Magnaporthe oryzae resistance.

The invention discloses a monospore separation method of a melon powdery mildew. The method comprises the following steps: collecting a diseased melon leaf; brushing old spores from the surface of the diseased melon leaf by using a sterilizing brush; maintaining the diseased melon leaf under the condition of heat and moisture preservation so as to be bred into new spores; blowing the new cultured conidiospores onto a water agar plate through an ear washing bulb; utilizing a specific picking needle to pick out a single conidiospore under an anatomical lens; inoculating the single conidiospore on the leaf disc of the sterilized diseased melon or cucumber product; horizontally putting the leaf disc in a culture dish containing a mannitol culture medium; placing the leaf disc in an illumination incubator after overlaying a culture dish cover; and culturing the leaf disc for 7 days, thereby obtaining a purified melon powdery mildew bacteria colony. According to the invention, the single conidiospore is picked out by using the specific picking needle and is germinated normally under the action of suitable culturing medium and under the condition of suitable culturing condition, so that the separated melon powdery mildew has a pure pathogen and is free of microspecies cross infection. Therefore, the accuracy and the reliability of a subsequent research result are ensured. As a result, the prepared melon powdery mildew has an important practical value.

The invention discloses application of ABI5 protein and its coding gene in regulating oxidative stress resistance of plant seeds. The application of the invention is any one of the following applications (a1)-(a6) of protein composed of amino acid sequences as shown in Sequence 3 in the sequence table: (a1) regulating oxidative stress resistance of plants; (a2) raising oxidative stress resistanceof plants; (a3) breeding plant varieties with enhanced oxidative stress resistance; (a4) regulating resistance of plants to herbicides; (a5) raising resistance of plants to herbicides; and (a6) breeding plant varieties with enhanced resistance to herbicides. The application of the invention is helpful for the research on molecular mechanism of oxidative stress resistance in the plant seed germination process, improvement of seed quality and stress-resistance traits and breeding of plants with oxidative stress resistance, meets requirements of agricultural production, brings greater economic benefits to crop production, and has important practical value and market prospect.

The invention discloses a method of shorting dormancy stage of paddy rice seeds and promoting germination of paddy rice seeds, and relates to the technical field of seed plantation. At first, indica and japonica paddy rice seeds with different mature periods for production or research are picked; a conventional paddy rice seed germination method is applied on the paddy rice seeds, then paddy rice seeds with different dormancy characteristics are picked out, then the seeds with dormancy characteristics are subjected to germination promotion under different germination promotion environments to obtain the experiment data of increased seed germination rate. Paddy rice seeds with different mature periods are taken as the experiment objects, through a conventional paddy rice seed germination method, paddy rice seeds with different dormancy characteristics are screened out, the subsequent experiments become simpler, then paddy rice seeds with different dormancy characteristics are subjected to germination promoting treatments under different germination conditions, the germination rates of each group in different experiment environments are obtained, the optimal method for promoting the seed germination is obtained, labor and cost are both saved, and optimal production data is provided for the producers.

The invention relating to a herbicide discloses a gramineae grassplot composite herbicide. The object of the present invention is to provide a gramineae grassplot composite herbicide, if the herbicide is applied in the after-sowing before-seedling stage, grassplot seeds can be assured to sprout normally, while the weed seeds can not sprout normally, and weeds can also be controlled more than 50 days after the applying of herbicide.Technical solution of the invention is a gramineae grassplot composite herbicide comprising metsulfuron-methyl of 2-10%, pyrazosulfuron-ethyl of 10-60%, quinclorac of 1-20% and additive of the rest part. The additive comprises dispersion agent, wetting agent, adhesive, bleeding agent and kaoline. The invention is used for eradicating weed.

The present invention discloses a garden nursery weed killer, which comprises the following raw materials by weight: 20-40% of metolachlor, 10-20% of pendimethalin, 2-8% of oxyfluorfen, and 43-58% of an auxiliary agent, wherein the use of the garden nursery weed killer can adopt preemergence spraying or postemergence killing. According to the present invention, the garden nursery weed killer adopts the vegetable oil as the solvent so as to provide characteristics of no pollution, neutral and slightly acidic pH value, excellent stability and good buffer property; the garden nursery weed killer does not contain harmful metals and hormone substances, such that the use is safe; the characteristic that the agent is only fixed on the surface soil layer (about 1-2 cm) and is not leached into the deep layer is adopted, such that the weed seeds capable of germinating in the surface soil layer are killed or inhibited, and the crop seeds can normally sprout and grow due to protection of the soil covering layer; and with the garden nursery weed killer, normal growth of crops can be ensured, the persistent period on the sandy soil ground can achieve 35-40 days, the persistent period on the clay ground can achieve 60-70 days, and 2-4 leaf stage weeds can be killed after sowing and seedling emergence.

The invention discloses a method for restoring soil polluted by high-concentration uranium with garden sorrel. The method comprises the steps of finishing and leveling the polluted soil, applying 2000-3000kg human and livestock manure and adding 3000-4000kg water per 666.7m<2> on soil to be sown, seeding 1g per 1m<2> after pregermination of seeds, harvesting stem leaves on the ground when the stem height reaches 50-60cm, removing from the polluted soil for treatment, performing root diminution for regeneration after the next year, performing top dressing when regeneration seedlings have 4-5 leaves, irrigating plants with 1000-1500kg decomposed human and livestock manure per 667m<2>, diluting with 3000-4000kg water, and harvesting and treating stem leaves by the above-mentioned method. The method can greatly reduce the uranium content of the soil, and is simple to operate, convenient to manage, low in cost and good in restoring effect.

The invention discloses cooking equipment and a control method thereof. The cooking equipment comprises a body, a germination screen and a spraying device; the body comprises a pot body and a cover body arranged on the pot body in a covering mode; the germination screen is arranged in the pot body, and multiple vent holes are formed in the germination screen, wherein germination shelled rice is suitable for being contained in the germination screen; the spraying device is arranged on the body to spray the germination shelled rice. According to the cooking equipment, the germination screen with multiple vent holes is arranged in the pot body, and therefore the germination shelled rice contained in the germination screen can achieve ventilation and breathability in the germination process; in addition, the spraying device is arranged on the body, the spraying device can spray on the germination shelled rice, and therefore normal germination of the germination shelled rice is guaranteed.

The present invention provides a plant salt-resisting agent, its preparation method and application method. The plant salt-resisting agent is made up by using manganese sulfate, sodium nitriphenolate, alpha-naphthylacetic acid, gibberellic acid, urea, humic acid and clean water through a certain preparation process. Said invention also provides the concrete steps of its preparation process. Said plant salt-resisting agent can be used for soaking seeds, and can raise yield of crops planted in the saline-alkaline land.

The invention discloses a method for transforming desert through seeding. The method is characterized by comprising the steps of (1) carrying out aerial seeding of grass seeds after granulating treatment, mixing matrix ingredients, and extruding through a granulating extruder to form a cylindrical granular matrix of which the diameter is smaller than 4mm and the length is 5-15mm; (2) mixing the grass seeds with the cylindrical granular matrix in the ratio of 1:150; and (3) extruding the grass seeds by adopting a roll extrusion granulator, and granulating the cylindrical granular matrix to form vegetative granules of which the diameters are 4-10mm, wherein the extrusion strength is 8pa.

The invention discloses a method for quickly propagating seedlings of dendrobium officinale Kimura et Migo. The method comprises the following steps that ripe capsules of the dendrobium officinale Kimura et Migo are utilized for preparing a seed suspension liquid, dibble seedling is conducted, and then one-step seedling growing culture is conducted. By means of the method, the purpose that the seeds of the dendrobium officinale Kimura et Migo are directly differentiated, grown and developed into robust seedlings with the length of 8-10 cm and with roots, stems and leaves in an organic matter culture medium in which no hormone is added without transfer. The manual transfer frequency in the seedling growing process is removed, the manual cost and tissue culture seedling contamination rate which is caused by transfer are reduced, the seedling survival period brought by seedling hurting due to transfer is removed, thus the growth period of tissue culture seedlings of the dendrobium officinale Kimura et Migo is shortened, the production steps of the seedlings of the dendrobium officinale Kimura et Migo are simplified to a great extent, and the production cost is reduced; moreover, heritable variation of the tissue culture seedlings of the dendrobium officinale Kimura et Migo caused by hormone addition in the tissue culture process can be avoided, the original characters of the seedlings are kept to the greatest extent, and the method can serve as an important method for production of the tissue culture seedlings of the dendrobium officinale Kimura et Migo.

The invention relates to a seedling raising technology for camellia oleifera seed seedlings of extremely small population plants. The seedling raising technology comprises the following steps that naturally fallen mature fruits are collected in a natural population distribution place of Cinnamomum camphora, and manual extruding is carried out to remove aril to obtain seeds; mixed soil of humus soil and sandy soil is used as a matrix, carbendazim is used for blocking soil for disinfection, and the obtained matrix is used for manufacturing a seedbed in a greenhouse and is thoroughly watered for standby application; dry seeds need to be soaked in clear water before sowing, fresh seeds are not used, ditching is carried out on a seedbed during sowing, seed umbilicus faces downwards, one row of seeds are arranged in one ditch, soil covering outside the ditches is carried out again after one row of seeds is sown, and dibble seeding, leveling and pine needle or fallen leaf covering are sequentially carried out after sowing of the whole bed is completed; and proper indoor temperature, humidity and soil humidity are kept, conventional management is carried out until the seeds sprout, meanwhile, seedbed coverings are removed, the seedlings are transplanted into a nutrition bag when the seedlings grow to 4-5 true leaves, maintenance is carried out for 8 weeks, and outdoor seedling hardening is carried out for 26 weeks so as to be used for second field transplanting. Compared with a traditional artificial breeding method, the method has the advantages that the emergence rate is more than 4 times, and a technical support is provided for effectively saving the species.

A bottled culture medium backwashing device comprises a water supply pipe and a culture medium bottle inversion notch. A transmission gear is arranged at the position, close to the lower end, of the water supply pipe. A sealed bearing is arranged at the lower end of the water supply pipe, and a water inlet is further formed in the side wall of the sealed bearing. A water jet pipe is separately arranged in the middle of the water supply pipe. An annular brush used for cleaning the inner bottleneck of a culture medium bottle is fixedly arranged at the upper end of the water supply pipe, the height where the annular brush is arranged is larger than the horizontal height of a nozzle at the upper end of the water jet pipe, the horizontal position where the annular brush is arranged is flush with a bottleneck clamping and releasing section on the lower portion of the culture medium bottle inversion notch, a hold-down ring used for holding bristles is arranged in the middle of the annular brush, a bristle gap is formed in the annular brush, the bristle gap is located over the nozzle arranged at the upper end of the water jet pipe in installation, and the distance between the most front ends of the bristles of the annular brush and the culture medium bottle inversion notch is 0.5-4 mm.

A plant salt-resistant agent and its preparation method and application method are disclosed. The preparation method is characterized by comprising the following steps: adding water-soluble humic acid into clear water, stirring to dissolve humic acid in water, successively adding urea, manganese sulfate, compound sodium nitrophenolate, naphthyl acetic acid and gibberellins according to expected mass portions, adjusting to required amount with clear water, continuously stirring until all solid materials are dissolved, filtering, storing, and detecting and packaging after 24 hours.

The invention discloses a wind prevention and sand fixation greening planting technology with good sand control effect. The wind prevention and sand fixation greening planting technology mainly comprises the following steps of: firstly arranging a plurality of strip sand-protecting barriers in a traveling dune zone; then mix-seeding herbaceous plant seeds in open grounds among the strip sand-protecting barriers, and planting shrub seedlings at the positions where the strip sand-protecting barriers are located; and finally fertilizing among the strip sand-protecting barriers and inside the strip sand-protecting barriers. According to the wind prevention and sand fixation greening planting technology, normal germination growth of most herbaceous plant seeds and shrub seedlings can be ensured without planting by multiple times; moreover, the growth period of herbaceous plants is relatively short, so that grass capable of sand fixation can be formed in a short time to further ensure normal growth of shrub seedlings; a grass and shrub forest can be formed in a relatively short time, two to three years in general, through the combination of the sand fixation of sand-protecting barriers with grass and shrub plants so as to achieve the effects of wind prevention and sand fixation; and the desertification of land can be effectively prevented. The technology is suitable for popularization and application in the technical field of sand control.

The invention relates to a novel sweet-waxy corn and a utilization method thereof. According to the invention, sweet-waxy mutant grains are used as original materials, a sweet-waxy fresh corn inbred line is bred, the novel sweet-waxy corn is obtained, and each grain of the sweet-waxy corn has the sweet and waxy characteristics; the identification standard of the phenotype of the sweet-waxy mutant grains is that the grains are sunken, are fuller than sweet corns, have farinaceous endosperm and are non-waxy, non-transparent, non-crumpled, lusterless in epidermis and crumple-free, and the sweet-waxy fresh corn is sweet and waxy in a real sense, that is, each grain has the sweet and waxy characteristics in a fresh eating period. Due to the fact that the inclusion of sweet-waxy fresh corn seeds is greatly increased compared with that of super-sweet corn, especially compared with that of double-recessive super-sweet corn, the germination rate is high, the germination potential is high, emergence is easy, seedlings are robust, and the problems that the double-recessive super-sweet corn and the super-sweet corn are low in germination rate, low in emergence rate and low in seedling protection rate and seedlings are thin and weak are solved.

The invention provides a seedling raising method for coral trees, and belongs to the technical field of planting of coral trees. The seedling raising method for the coral trees comprises the followingsteps: 1) pretreatment: sterilizing coral tree seeds in a potassium permanganate solution at the temperature of 36-38 DEG C; 2) acid etching: carrying out acid etching on the pretreated coral tree seeds by using a mixed concentrated sulfuric acid solution containing diethyl ether; 3) hormone treatment: soaking the coral tree seeds subjected to acid etching in an ethanol solution containing indoleacetic acid and fluorenylmethanol; 4) low-temperature stratification germination acceleration: carrying out wet-cold stratification germination acceleration on coral tree seeds by using 3-5-year-oldpine sawdust; and 5) sowing: after carrying out sterilization and deinsectization treatment on a seedling substrate, sowing seeds, sprouting and growing into seedlings. The seedling raising method forthe coral trees has the beneficial effects that the method is easy to implement, the coral tree seeds in a dormant state can be effectively awakened, growth and development of radicles can be stimulated, sprouting of the radicles can be accelerated, the sprouting rate of the seeds can be increased, sprouting can be accelerated, sprouted seedlings are robust, and the transplanting survival rate ishigh.

The invention discloses application of ABI5 protein and its coding gene in regulating oxidative stress resistance of plant seeds. The application of the invention is any one of the following applications (a1)-(a6) of protein composed of amino acid sequences as shown in Sequence 3 in the sequence table: (a1) regulating oxidative stress resistance of plants; (a2) raising oxidative stress resistanceof plants; (a3) breeding plant varieties with enhanced oxidative stress resistance; (a4) regulating resistance of plants to herbicides; (a5) raising resistance of plants to herbicides; and (a6) breeding plant varieties with enhanced resistance to herbicides. The application of the invention is helpful for the research on molecular mechanism of oxidative stress resistance in the plant seed germination process, improvement of seed quality and stress-resistance traits and breeding of plants with oxidative stress resistance, meets requirements of agricultural production, brings greater economic benefits to crop production, and has important practical value and market prospect.

The invention relates to the technical field of seed coating agents, in particular to a coating agent for corn seeds and a treatment method for corn seeds. By utilizing the super strong water retention effect of polyaspartic acid and the ability to enrich nitrogen, phosphorus, potassium and trace amounts of Elements, for the characteristics of seed nutrition supplement, combined with the addition of dimethyl sulfoxide and sodium carboxymethyl starch, not only makes it easy to pellet the corn seed coating process, but also enables its penetration and The synergistic performance is strong, and it can achieve synergistic effect with polyaspartic acid, so as to prevent the corn seeds from being damaged by chilling, and at the same time ensure that the corn seeds can be supplemented with water to enhance the ability to resist drought; In the semi-arid soil, the water retention capacity around the corn seeds is strong, combined with the action of dimethyl sulfoxide, the cold resistance ability is enhanced, the germination rate of corn seeds is guaranteed, and the effects of strong roots and seedlings and stress resistance of corn are enhanced.

The invention discloses a method for quickly propagating seedlings of dendrobium officinale Kimura et Migo. The method comprises the following steps that ripe capsules of the dendrobium officinale Kimura et Migo are utilized for preparing a seed suspension liquid, dibble seedling is conducted, and then one-step seedling growing culture is conducted. By means of the method, the purpose that the seeds of the dendrobium officinale Kimura et Migo are directly differentiated, grown and developed into robust seedlings with the length of 8-10 cm and with roots, stems and leaves in an organic matter culture medium in which no hormone is added without transfer. The manual transfer frequency in the seedling growing process is removed, the manual cost and tissue culture seedling contamination rate which is caused by transfer are reduced, the seedling survival period brought by seedling hurting due to transfer is removed, thus the growth period of tissue culture seedlings of the dendrobium officinale Kimura et Migo is shortened, the production steps of the seedlings of the dendrobium officinale Kimura et Migo are simplified to a great extent, and the production cost is reduced; moreover, heritable variation of the tissue culture seedlings of the dendrobium officinale Kimura et Migo caused by hormone addition in the tissue culture process can be avoided, the original characters of the seedlings are kept to the greatest extent, and the method can serve as an important method for production of the tissue culture seedlings of the dendrobium officinale Kimura et Migo.

The invention provides a method for raising coral tree seedlings, which belongs to the technical field of coral tree planting, comprising: 1) pretreatment: taking coral tree seeds and disinfecting them in potassium permanganate solution at 36-38°C; The pretreated coral tree seeds are acid-etched with a mixed concentrated sulfuric acid solution containing ether; 3) Hormone treatment: the acid-etched coral tree seeds are soaked in an ethanol solution containing indole acetic acid and fluorenemethanol; 4) germination by low-temperature stratification : Carry out wet and cold stratification germination to coral tree seeds with 3-5 year old pine sawdust; 5) Sowing: Seedlings are sown after being disinfected and disinfested, and germinate and grow into seedlings. The beneficial effects are: the method is easy to implement, can effectively awaken coral tree seeds in a dormant state, helps to stimulate the growth and development of radicles, accelerates the germination of radicles, improves the germination rate of seeds, accelerates germination, and the germinated seedlings are strong and transplanted. Planted high survival rate.

The invention provides lime sulphur for aromatic green roses. The lime sulphur is prepared from the following components in parts by weight: 1 part of quick lime; 2-4 parts of sulfur; 0.8-1.2 parts ofsodium chloride; 0.8-1.2 parts of sodium alkyl benzene sulfonate; and 400-500 parts of water. By the technical scheme and compared with the prior art, the lime sulphur of the invention has the advantages that the lime sulphur is alkaline, can erode epidermal wax layers of pests, can kill ticks, mites, scale insects and eggs of the pests, forms sulfur particles under the action of oxygen and carbon dioxide in the air, is gasified to generate sulfur steam, can interfere with metabolism of oxygen in the breathing process of pathogenic bacteria or the pests so as to play a poisoning role, and ismainly used for preventing and treating various diseases and insect pests, killing pathogenic bacteria or pest eggs in advance and guaranteeing normal germination of branches of the aromatic green rose seedlings when the weather is warm in spring.

The invention relates to a high-tower compound fertilizer. The high-tower compound fertilizer contains a laver extract, industrial monoammonium, potassium sulfate, urea, monopotassium phosphate and amino acid chelated calcium. The high-tower compound fertilizer provided by the invention is friendly to the soil environment, has long-acting slow release property, can remarkably promote the root growth of crops on one hand, and can provide the stress resistance of the crops on the other hand.

The object of the present invention is to provide a method for cultivating rice seeds regenerated from old age. In the breeding method, the wild rice containing genes for cold resistance and developed root system is used as the male parent, and the DS89-1 glutinous rice is used as the female parent, and repeated crosses are carried out for 3 to 5 times to obtain the regenerated rice seeds. The invention also provides a method for growing seedlings of the regenerated rice seeds. The older regenerated rice seeds obtained by the cultivation method of the present invention, the rice planted according to the seedling raising and planting method, have high yield and rice yield, good rice quality, can be regenerated over the years, and are resistant to cold, drought, lodging, and The advantages of strong rice blast ability.