66results about How to "High quality rice" patented technology

The invention relates to a fertilizer formula and further relates to an application method of the fertilizer. A selenium-rich organic/inorganic fertilizer for producing selenium-rick rice is prepared by mixing selenites, nitrogenous fertilizers, phosphate fertilizers, potash fertilizers, rotten organic fertilizers and silicon fertilizers according to a certain ratio and pelletizing the mixture. The selenium-rich organic/inorganic fertilizer for producing the selenium-rick rice comprises the following components in parts by weight: 0.004-0.010 parts of the selenites, 15-33 parts of the nitrogenous fertilizers, 12-24 parts of the phosphate fertilizers, 10-17 parts of the potash fertilizers, 30-50 parts of the rotten organic fertilizers and 5-8 parts of the silicon fertilizers. The fertilizer not only includes selenium element but also includes other nutrition enhancing matters requested by crop growth. As the fertilizer can be used for supplying the selenium element and the other nutrition enhancing matters requested in growth for crops simultaneously, the application of the fertilizer is good for the crop growth, so that the absorption rate and the conversion rate of selenium are improved, and the selenium-rick rice reaching a selenium-rick rice standard can be produced by applying less selenium.

The invention discloses a method for cultivating organic selenium-enriched rice. The method is characterized by comprising the following steps of: respectively preparing selenium-enriched seedling cultivating matrixes and selenium-enriched organic and inorganic special fertilizers by taking selenium-containing flax cakes as a selenium source, utilizing the selenium-enriched seedling cultivating matrixes in the seedling cultivation of rice, and respectively applying the selenium-enriched organic and inorganic special fertilizers as a base fertilizer and additional fertilizer before transplanting seedlings of the rice and before the farmland rest at the last phase of tillering of the rice. According to the method for cultivating the organic selenium-enriched rice, disclosed by the invention, conventional methods in which selenium-containing solution or selenium-containing leaf surface fertilizer is sprayed at a flowering phase and a seed phase of rice in the current selenium-enriched rice production or the selenium-containing solution is added in a rice processing procedure are changed, unsafe factors in the production of the selenium-enriched rice are avoided, and the production ofthe selenium-enriched rice is economical, efficient and pollution-free.

The invention belongs to the field of heterosis application and in particular relates to a method for producing rice hybrid Guangliangyou 206. According to the invention, a new combination of three-line early rice is produced by hybridizing three-line male sterile line Guang 8S with restorer line D208, wherein the female parent Guang 8S is quoted from high-yield, high-quality and high-resistance three-line male sterile line selected and bred by teacher Yang Zhenyu; male parent restorer line D208 is introduced. The hybrid has the characteristics of high and stable yield, strong disease resistance and high biological yield.

The invention discloses a method for producing green selenium-enriched high-calcium nutritious rice. According to the method, biological organic selenium-enriched high-calcium ecological fertilizer is uniformly spread over fields at a time when the field is ploughed and before the rice is transplanted, and the green nutritious rice obtained by processing the paddy produced by the method richly contains organic selenium of 0.16 to 0.22mg/kg and organic calcium of 230 to 350mg/kg respectively. The method is easy to implement, the production process of the prepared fertilizer is simple and easily implemented, the time and labor are saved, and the paddy rice applied by the fertilizer has strengthened photosynthesis, is resistant to drought, diseases and insects and is also high in yield and quality; and the rice produced by the method is green and pollution free, does not contain any hormone and chemically synthesized somatotropin, is free of pesticide pollution and replenishes selenium and calcium. The rice produced by the method is rich in nutrition, so people regularly taking the rice are healthier and have long life.

The invention relates to the technical field of high-quality crops planting, and particularly relates to a planting method of selenium-enriched rice; the planting method of the selenium-enriched rice includes steps of rice seedling cultivation, transplanting and rice fertilization; according to the planting method, base fertilizer is applied to the transplanting rice before transplanting the rice seedling for 1-3 days; after completing the seedling transplanting for 10-15 days, the selenium-enriched fertilizer is applied; the selenium-enriched fertilizer includes selenium-enriched compound, potash fertilizer, silicon fertilizer, nitrogen fertilizer and phosphatic fertilizer; at the beginning period of rice panicle emergency and flowering, the rice is further added with selenium-enriched fertilizer. The planting method has good practicability and promotion prospect.

The invention relates to a production method for selenium-rich iron-rich rice, in particular to a production method for preparing the selenium-rich iron-rich rice by applying selenium-rich iron-rich organic inorganic special fertilizer. The production method for the organic selenium-rich iron-rich nutrition enriched rice sequentially comprises the following steps of: selecting seeds; raising rice seedlings; plowing the field; transplanting the rice seedlings; performing field management; harvesting; and processing, wherein the field management comprises fertilization; the applied fertilizer is selenium-rich iron-rich organic inorganic fertilizer; the fertilizing times are 1 to 4; and the selenium-rich iron-rich organic inorganic fertilizer comprises selenite, ferrous salt, nitrogen fertilizer, phosphate fertilizer, potassium fertilizer, polyaspartic acid or salt thereof, composted organic fertilizer and silicon fertilizer. By the production method, the conventional general method for producing the selenium-rich iron-rich rice mainly by spraying a selenium/iron-containing solution or selenium/iron-containing foliar fertilizer in flowering stage and the seed mature stage of the rice or adding the selenium/iron-containing solution in the rice processing process is changed and unsafe factors in preparation of the selenium/iron-rich rice are avoided. The production method is economic, efficient and pollution-free.

The invention discloses a breeding method of a rice species combining the properties of low glutelin and rice stripe disease resistance, which pertains to the field of rice breeding. W3660 is taken as a female parent and Zhendao 88 is taken as a male parent for hybridization; and since F2 generation, a single plant with a main ear having 12 grains, the holoprotein SDS-PAGE protein band pattern of which is in line with W3660 holoprotein band pattern, is selected for planting; WW1 and R15 marks are used for assisting the selection; by combining the field inoculation and manual inoculation certification of the plants with rice stripe disease resistance, a plant strain which has rice stripe disease resistance and is characterized in that the SSR fingerprint has a low glutelin characteristic band 237bp marked by WW1 and a rice stripe disease resistance characteristic band 363bp marked by R15, and the growth duration, plant height, and shape and characteristics of the plant leaves are identical with that of the Zhendao 88 is selected and named as W1721. After determination, the new rice variety W1721 has low glutelin content and less than 4% of the absorbable protein (including albumin-globulin and glutelin) content and has rice stripe disease resistance.

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 belongs to the field of heterosis utilization, and particularly discloses a method for producing hybrid rice seeds Chuanxiangzhan. The hybrid rice seeds Chuanxiangzhan are new three-line early rice compositions produced by hybridizing a cytoplasmic male sterile line Chuanxiang 29A and a restorer line Huazhan, wherein the female parent Chuanxiang 29A is a high-quality and pyricularia oryzae-resistant aromatic indica sterile line commonly bred by the crop research institute of Sichuan academy of agricultural sciences and Sichuan Huafeng seed industry Co., Ltd., and has good flowering habit and high outcrossing rate; and the male parent restorer line Huazhan is an inbred line. The hybrid seeds have the characteristics of high yield, stable production, high disease resistance and high biological yield.

The invention relates to an air floating water push type rice washing machine. The machine comprises a shell; a water inlet pipe is arranged at the upper part of the shell; multiple rotating water nozzles uniformly distributed on the inner wall of the shell are connected below the water inlet pipe; a mesh screen type air inlet and water outlet device is arranged at the lower part of the shell, and includes an outer shell, an air inlet and water outlet cavity, a mesh screen type inner wall, an air inlet pipe and a water outlet pipe; the mesh screen type inner wall is arranged on the inner side of the outer shell in parallel, and forms an air inlet and water outlet cavity with the outer shell; and the air inlet and water outlet cavity is communicated with the air inlet pipe and the water outlet pipe. The air floating water push type rice washing machine is skillful in design, novel in structure, high in rice washing quality, fast in speed and incapable of generating the screen blockage phenomenon.

The invention discloses a method for producing green selenium-rich nutritional rice. A biological organic selenium-rich and high-calcium ecological fertilizer is uniformly scattered in a field at one time during plowing before rice seedlings are planted, and the green nutritional rice processed by using the produced paddy contains 0.16 to 0.22 mg/kg of organic selenium. The method is convenient in production and operation; the production technology for the prepared fertilizer is simple, feasible, labor-saving and time-saving; by using the fertilizer, the photosynthesis, the drought resistance and the disease and insect damage resistance of the paddy can be enhanced, and the yield and the quality are improved; and the produced rice is green and environment-friendly, does not contain any hormone or chemically synthesized auxin, is not polluted by pesticide, supplies selenium, is rich in nutrition, and can keep health and prolong the life by long-term eating.

The invention discloses a direct-seeding seed production method for two-line system hybrid rice. The method comprises the steps of seeding, field management, purity assurance and harvesting storage, wherein the seeding step comprises the following sub-steps: selecting Huanghuazhan as a male parent, examining and approving a sterile line in promotion mix as a female parent; taking a large-area Huanghuazhan planting area as a seed production field before use; fixing the sowing time according to the sowing date of the male and female parents, and ensuring flower synchronization of the male and female parent; ensuring that the sowing plot width of the male parent is equal to the harvesting width of a harvester, the sowing plot width of the female parent is 1-2 times that of the harvesting width of the harvester, and the spacing between the male parent and the female parent is 40-60cm, so that the male and female parents are conveniently and respectively harvested with machine; and manually transplanting a line of male parents at the seedling age of 22-25 days of the male parent, wherein 2-3 rice seedlings are planted in each stump, the row spacing is 25-40cm, and the spacing between the male parent transplanting line and the direct seeding male parent is 20-30cm. According to the method disclosed by the invention, the problems that the female parent is susceptible to lodging, the seed production yield is low, the weeding difficulty is high, the purity of hybrid seeds is low, the production efficiency is low and the cost is high are solved.

The invention discloses a breeding method of loose-panicle fragrant rice line III, belonging to the field of breeding technology of special rice sterile line. According to the breeding method, a loose-panicle rice line, a fragrant rice line-III maintainer line, a line-III sterile line, a line-III early maturing restorer line and a line-III late maturing restorer line are adopted as cross parents; and by adopting the process of hybridization and multi-generation backcrossing and by identifying the panicle type, fragrance and sterility of multiple generations and screening comprehensive characters, an excellent loose-panicle fragrant rice sterile line III is bred which has the advantages of loose panicles, strong rice fragrance, stable sterility, good combining ability and high yield of breeding, seed production and hybridization. The hybrid seeds prepared from the sterile line have high outcrossing rate, strong seed reproduction ability and good rice appearance and eating quality; and moreover, the pest and disease damage at the panicles such as green smut is obviously relieved, the dosage of pesticide can be reduced, and the farmer income is increased.

The invention relates to a method for maintaining rapid advantages of variant lines stable with solar energy focal radiation on sprout grains. The method specially comprises the following steps: selecting grain seeds; performing moistening and sprouting; placing the seeds in a certain shape; performing dibble seeding in a pyramid shape; performing radiation on the seeds in three steps; performing optimization on plants; performing backcrossing; obtaining advantage polymerization. The method disclosed by the invention is implemented, the technology is simple, the operation is easy, and only simple appliances including magnifying glass and the like are needed; but the variant probability is high, and the rapid advantages of the variant lines are maintained stable. The method disclosed by the invention is implemented, the first generation varies, and the variation rate reaches 15% or above. Sterile plants appearing in the method provide a new way for cultivating novel female parents. Besides, after backcrossing, new varieties are bred, and have the advantages of lodging resistance, high temperature resistance, broad adaptability, steady yield, and excellent color, fragrance and taste of rice. The yield of cultivated saline-alkaline resistant two-line sterile lines and the yield of early-maturing conventional rice, mid-maturing conventional rice and late-maturing conventional rice are increased by 2 times or above than that of original seawater rice. The bred three-line sterile lines have the characteristics and the functions that steamed red rice, steamed black rice and steamed brown rice are fragrant and soft, and steamed rice does not become hard after being put for a night.

The invention discloses a rice seed production method. The method is characterized in that rice species seeds generated by the Indica-Japonica intermediate type restorer 'R900' are adopted; the Indica-Japonica intermediate type restorer 'R900' is obtained in the manner that an intermediate material large in inventory, sufficient in source, high in grain setting rate and good in grain plumpness is bred with wide-spectrum and wide-compatibility genes by utilizing the strong heterosis of Indica-Japonica subspecies, a multi-resistance pioneer germplasm with Indica-Japonica stress resistance genes polymerized is selected through high-pressure screening, and finally a high-yield, good-quality and multi-resistance-unified new rice species is selected through rice quality inspection.

The invention discloses a method for breeding rice varieties with yellow glumes and purple black seed coats, and belongs to the technical field of breeding of crops. According to the method, Yanzi 1#with purple black glumes and seed coats is taken as a female parent, Wuyujing 3# (with yellow glumes and white seed coats) is taken as a male parent, and the Yanzi 1# and the Wuyujing 3# are hybridized to form F1-generation rice grains with purple black glumes and seed coats; purple black glumes and yellow glumes of F2-generation group plants are separated, purple black seed coats and white seed coats of the F2-generation group plants are not separated, and separation of the purple black seed coats and the white seed coats is delayed and occurs after the F2-generation group plants are inherited to a F3 generation, so that only single plants simultaneously presenting characters of yellow glumes and purple black seed coats are screened from an F2-generation group and are continuously selfedto an F7 generation with stable characters, and a bred strain has the excellent properties of high yield and rice quality, strong lodging resistance and the like. Aiming at disadvantages that existingpurple rice is relatively low in per unit yield and relatively poor in taste and cannot meet market demands, the strain can be specially applied to production, food processing and the like of purpleblack rice.

A selection and breeding method for an early rice variety comprises selection and breeding steps of enabling a male parent and a female parent to be xiesi 115 and guangershi respectively, planting the male parent and the female parent in a parent resource area together, performing corresponding-period partition seeding, performing transplantation and management, first performing glume shearing on the female parent during glume shearing pollination, taking out flower sticks, enabling paper bags to be sleeved on the flower sticks, then shearing the male parent from plant spica above three flag leaves of the male parent, performing insertion beside the female parent after glume shearing, placing male parent spica in the paper bags during pollination to scatter anther to perform pollination, and fixing the paper bags; and after harvesting F1 seeds, placing the F1 seeds in the original paper bags, and performing drying and storage. Two crops can be planted each year to perform additive breeding, and then offspring selection and breeding are performed. Yielding abilities and stress resistance of the male parent and the female parent and a merit and demerit complementation method of rice quality are utilized to perform matching hybridization. The selection and breeding method has the advantages that a plant type is compact, leaves are short and vertical, stems are flexible, early rice variety is resistant to fertilizer, lodging and rice blast, rice quality is good, the taste is good, and the early rice variety is popularized to be planted.

The invention discloses an organic selenium-rich rice cultivation and selenium-rich rice byproduct comprehensive utilization method. In the organic selenium-rich rice cultivation method, a selenium-rich seedling culture medium is adopted for seedling culture during rice seedling culture, and sufficient selenium sources are provided for rice, so that the content of organic selenium in the rice is high and stable; according to the cultivation method, application of inorganic selenium fertilizer is reduced, pollution of the selenium fertilizer to the environment is reduced, the production cost isreduced, the organic selenium-rich special fertilizer is applied to the soil, the stress resistance of crops is improved, photosynthesis is improved, root system development is stimulated, crop growth and selenium absorption and conversion are promoted, and therefore the purposes of saving fertilizer, reducing cost and improving rice quality are achieved. According to the comprehensive utilization method of the organic selenium-rich rice by-products, the by-products of the organic selenium-rich rice are used for producing selenium-rich potatoes, selenium-rich fruits and selenium-rich eggs, waste is turned into wealth, use of fertilizer and feed is reduced, the production cost is reduced, and meanwhile the selenium content of other products is increased.

The invention provides a method for breeding a rice hybrid Y Liangyou 087. In the method, a breeding restorer, a safe space for hybrid breeding, time and space intervals, different seeding periods for breeding parental species, the seeding amount, an appropriate rice seedling row ratio, pest control, a gibberellin spraying technique, an impurity removing, rouging and purifying technique are adopted in the breeding process, an excellent two-line sterile line Y58S is taken as a female parent, and a self-fertile excellent restorer R087 is taken as a male parent in rice hybridization so as to breed the rice hybrid Y Liangyou 087. Rice which is good in leaf form, excellent, high in yield, appropriate in breeding period, wide in applicability and high in stress resistance can be planted from the hybrid, and moreover, the planted rice is good in quality, high in yield, high in nutrition value and applicable to popularization and planting, and the food demand of people can be well met.

A method for culturing the later ripe middle-season round-grained non-glutinous rice includes such steps as choosing the excellent variant plant of Tonggeng '109', and systematic selective culturing by several years to obtain 'B14'. Its advantage is high yield and quality.

The invention discloses a high-quality rice planting method. The method includes steps: (1) base selection; (2) seed selection; (3) sowing preparation; (4) seedling cultivation; (5) soil preparation and rice transplanting; (6) fertilization. The high-quality rice planting method has advantages that dynamic techniques are integrated, a series of optimization measures including seed selection, seedling cultivation, bowl seedling transplanting, fertilizing, water source and water layer management, disease, pest and weed prevention and control and the like are combined into a whole; unified seedling cultivation is performed, and problems of harvesting time nonuniformity and difficulty in management of high-quality high-yield varieties are effectively solved; by scientific manual bowl seedlingtransplanting and seedling cultivation techniques, root damages and seedling survival period are avoided, and seedlings start growing directly; by scientific formulated fertilization and disease and pest prevention and control, high quality and high yield of rice are guaranteed; by pollution-free water sources and water layer management, high rice quality is guaranteed; by scientific and reasonable utilization of pesticides, pesticide residues of products are effectively reduced, and high quality is achieved; by reasonable harvesting and drying modes, mixing and contamination are avoided; strong seedling with tillers are obtained in cultivation, and high quality and high yield are promoted.