175results about How to "Enhanced tillering ability" patented technology

The invention discloses a method for directly seeding rice, which comprises the following steps of: preparing soil; preparing a slag fertilizer; soaking seeds and accelerating germination; digging holes and seeding in a dry field; weeding; fertilizing in a land for growing field crops; thinning; and preventing and controlling plant diseases and insect pests. Since the method for directly seeding the rice directly digs holes and seeds in the field, the method can ensure that rice in a dry area grows normally by using a little amount of water before the head sprouting process of the rice, achieves good drought-resisting and water-saving effects, eliminates the transplanting step, avoids damaging root systems of the rice, strengthens the tillering capacity of the rice, achieves high yield, simplifies the working procedure, saves labor force, has low production cost, high efficiency and convenient operation, and can be widely used for planting rice in mountain areas, hilly areas, easily droughty areas and water-lacking dead angles of pieces of paddy fields.

A fertilizer special for rice comprises a base fertilizer and a foliage fertilizer. The base fertilizer is prepared from, by mass, 80-100 parts of a nitrogen, phosphorus and potassium compound fertilizer, 4-8 parts of medium and trace elements, 0.05-0.1 part of rare earth elements, 5-10 parts of quick lime, 60-100 parts of an organic fertilizer, 10-15 parts of fluorspar powder and 12-20 parts of vermiculite; the foliage fertilizer is prepared from, by mass, 10-15 parts of urea, 6-8 parts of potassium sulphate, 1-1.6 parts of magnesium sulfate, 1.2-1.8 parts of zinc sulfate, 0.8-1 part of borax, 0.5-0.8 part of sodium selenite, 1.2-1.6 parts of ferrous sulfate, 30-40 parts of amino acid, 20-25 parts of humic acid, 0.5-1 part of glycerol, 1.2-1.8 parts of Chinese herb extracts and 0.1-0.5 part of a plant regulator. According to the fertilizer special for the rice, multiple elements are compounded, the organic elements and the inorganic elements are combined, various nutritional ingredients achieve the synergistic effect, the nutrition is complete, slow-release growth is achieved, the utilization rate is high, the water retaining capacity and the fertilizer retaining capacity are good, the physical characteristics of soil are improved, the Chinese herbs achieve pest killing and fungus resisting, the safety is high, the rice quality is improved, and the rice yield is increased.

The invention discloses a method for restoring and improving uranium tailing residues-contaminated soil, the employed materials comprise Aeschynomene indica, Miscanthus floridulus and Imperatacylindrica, plant ash and cow dropping, the plant ash is made by burning the Miscanthus floridulus and the Imperatacylindrica. The plant ash and the cow dropping is formulated into a mixed fertilizer in accordance with a proportion to be fertilized in a plant ditch that is built in uranium tailing residues-contaminated region, the three plants of the Aeschynomene indica, the Miscanthus floridulus and the Imperatacylindrica are planted in groups in the plant ditch. By using the method, dense vegetation can be constructed in a very short time to prominently increase soil nitrogen, organic matters and pH value, and meanwhile, the soil root density is increased and the content of soil water-soluble uranium is reduced obviously. The method has the advantages of simple operation, low cost, good efficiency of preventing the uranium from transfer and diffusion, and beautifying the environment. The technique can be used in reconstructing vegetation in a degraded ecosystem of mines and greening expressways.

The invention provides a method for directly sowing leymus chinensis seeds on a piece of soda saline-alkaline land, which comprises ridge forming, planting and irrigation management. The method comprises the following steps of: A, seed treatment; B, land preparation; C, drip irrigation zone setting; D, sowing; and E, irrigation. After the sowing of the leymus chinensis seeds, the ridges are covered by films and the land is irrigated immediately, wherein the films are 1meter wide; the amount of water used for initial irrigation is three times of that of water used for regular irrigation, and for later irrigation; and the water amount is determined according to the actual water content of soil. The ground drip irrigation and film-covering combined method for directly sowing leymus chinensis seeds improves water utilization rate, reduces water evaporation and provides good germinating and growing conditions for the leymus chinensis through the combination of leymus chinensis growing and modern irrigation technology. The method uses a soil moisture content monitoring device to monitor the water content in the post management period and irrigates according to the monitoring data so as to ensure the growth of the leymus chinensis under the condition of desirable water content and to improve the growth and tillering of the leymus chinensis. The leymus chinensis is a perennial plant and has high tillering capacity. When the coverage rate of the leymus chinensis reaches 80 percent after direct sowing, the leymus chinensis is allowed to grow naturally. The method creates remarkable long-term benefits and is a new method contributing to the development of the leymus chinensis growing industry.

The invention discloses a long-acting nitrogen-rich rice special organic fertilizer prepared from the following raw materials by weight: 10-16 parts of urea, 1-2 parts of bentonite, 15-20 parts of pig blood powder, 25-35 parts of sweet potato vine, 5-7 parts of fig leaf powder, 12-16 parts of sugar residue, 6-8 parts of distiller's grains, 5-7 parts of calcium superphosphate, 0.1-0.2 part of urease inhibitor, 8-10 parts of coffee slag, 15-20 parts of buffalo milk powder, 5-6 parts of potassium sulfate, 4-5 parts of silicon sulfate, 4-5 parts of potassium dihydrogen phosphate, 20-30 parts of a soil conditioner, and proper amount of water; compared with traditional fertilizers, the use mount of the organic fertilizer is greatly reduced, by addition of the sweet potato vine, the pig blood powder, the buffalo milk powder and other organic matters with rich nutrient elements, soil can be improved effectively improved and fattened, soil organic matter content is increased, the added urease inhibitor slows hydrolysis of tillering stage urea, ammonium nitrogen content in booting stage soil is improved, and the organic fertilizer provides adequate nitrogen fertilizer for later stage growth of rice.

The present invention discloses breeding process of rice blast-resisting high quality and high yield round-grained rice variety Zhendao-10. The breeding process breeds rice variety featuring high resistance to rice blast, high quality and high yield. The breeding process includes the following steps: 1. hybridizing Zhendao-99 hybrid rice variety with early maturing, high yield and good taste as the female parent and Zhen-540 hybrid rice variety with excellent appearance quality as the male parent to obtain F1; and 2. selfing with the F1 for six generations to obtain the rice blast-resisting high quality and high yield round-grained rice variety Zhendao-10.

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 application of a nitrate radical transporter gene OsNRT1.8 in rice breeding and belongs to the field of plant genetic engineering. The protein encoding amino acid sequence of the gene OsNRT1.8 is shown as SEQ ID NO.1, and a cDNA sequence is shown as SEQ ID NO.2. By establishing rice gene OsNRT1.8 overexpression plant and a gene OsNRT1.8 interference plant, it is found that normal rice tiller number and spike number of each plant can be increased by improving gene OsNRT1.8 expression. Therefore, the gene OsNRT1.8 can be used for increasing rice yield in rice breeding. The gene OsNRT1.8 has an important application value on the aspects of elaboration about nitrogen influence on plant growth and development and improvement of rice plant type.

The invention discloses gene engineering application of rice auxin transport protein gene OsPIN2, which belongs to the field of gene engineering. The accession numbers of the nucleotide sequence of the rice auxin transport protein gene OsPIN2 and the expression OsPIN2 protein amino acid sequence thereof are AK101191 in an NCBI website (www. ncbi. nlm. nih. Gov / ). The engineering application of the gene is firstly reported in the rice, and participates in the transport of rice auxin so as to increase the rice roots, tiller number, tiller angle, nitrogen utilization efficiency and finial output.

The invention discloses application of an amino acid transporter gene OsAAP3 in rice seed selection, and belongs to the technical field of genetic engineering. An amino acid sequence of encoded protein of the gene OsAAP3 is specified in SEQ ID NO.1, and a Cdna sequence is specified in SEQ ID NO.2. According to the application of the amino acid transporter gene OsAAP3 in rice seed selection, by constructing a rice plant which is interfered by the gene OsAAP3, and constructing a rice plant which is over-expressed by the gene OsAAP3, it is discovered that reduction of genetic expression of the gene OsAAP3 can increase tiller number of the rice and spike number in each rice plant, and therefore the gene OsAAP3 can be used in rice seed selection for increasing the rice yield. The gene OsAAP3 has important application value in expounding influence of amino acid transportation on growth and development process of the plant.

The invention relates to a method for cutting and seedling a hybrid hazel small and tender etiolated tiller seedling. The method comprises the following steps of: selecting a cutting, preparing before cutting, cutting, constructing a tunnel, managing after cutting, outplanting a cutting seedling and the like. The method takes a large-fruit, high-yield and high-cold resistance hybrid hazel as a material, fully utilizes the characteristics that the tree has high sprouting capacity, high activity of small and tender etiolated cell tissues and susceptibility to outside stimuli to form an adventitious root, adopts simple greenhouse cutting propagation, improves coppice shoot utilization efficiency and propagation rate of merchandised nursery stock in a unit time, makes up a current situation of the shortage of hybrid hazel seedlings in production, and promotes scale development in Xinjiang and other areas suitable for planting hybrid hazel. Compared with the prior propagation art of the hybrid hazel, the method fully utilizes small and tender coppice shoot, and has the characteristics of simple, practicable and easily-grasped method, low seedling propagation cost, quick response, good rooting effect, and high practicability and operability.

The invention discloses a special organic fertilizer for dendrobe and a preparation method thereof. The fertilizer is prepared from the following raw materials in parts by weight: 50-60 parts of cow dung, 4-5 parts of magnesium sulfate, 0.4-0.6 part of water-soluble phosphoric acid anhydride, 0.2-0.3 part of water-soluble potassium oxide, 4-5 parts of iron amino acid chelate, 4-5 parts of manganese amino acid chelate, 4-5 parts of copper amino acid chelate, 4-5 parts of boron amino acid chelate, 2-3 parts of molybdenum amino acid chelate, 3-4 parts of composite microbial agent, 6-8 parts of diammonium phosphate, 8-10 parts of ammonium nitrate, 3-4 parts of potassium epsom salt, 20-30 parts of bed silt, 25-45 parts of peanut bran, 10-16 parts of moya, 8-12 parts of sphagnum, 2-3 parts of zeolite powder, 2-3 parts of paraffin and a proper amount of water. The special organic fertilizer for dendrobe has strong pertinency; and inorganic and organic fertilizers are mixed on raw material matching, so that nutrients of the fertilizer are easy to absorb, meanwhile, the growth soil of dendrobe can be improved, soil hardening is prevented and the water holding property of soil is improved.

The invention discloses a method for remediating acid / heavy metal cadmium composite polluted soil by using Pennisetum hydridum. The method comprises the following steps: plowing polluted soil, and planting Pennisetum hydridum in low ridges from March, wherein irrigation and fertilizer application are performed or not performed in the complete growing season; and three months after planting, starting reaping the aerial part of Pennisetum hydridum once a month, incinerating the reaped substance by a conventional method, and extracting the heavy metal and fertilizer, thereby achieving the goal of remediating acid / heavy metal cadmium composite polluted soil. Pennisetum hydridum is a perennial herb; and by continuously planting the Pennisetum hydridum on the heavy metal cadmium polluted soil and continuously reaping the aerial part, the heavy metal cadmium in the soil is continuously extracted and transferred, and the pH value of the soil is changed until the soil achieves the environmental safety standard. The Pennisetum hydridum, which has the advantages of high biomass of the aerial part and developed root system, can absorb and fix abundant heavy metals, can retain water and protect soil, enhances the green level of the polluted area, and has favorable economic benefit, social benefit and ecological effect.

The invention discloses a method for breeding and seed production of superior multi-resistance high-yield two-line hybrid rice. According to the method, superior rice-blast-resistant high combining ability photo-thermo sensitive genic male sterile line-guangzhan 63S-4 is taken as a female parent to hybridize with a superior bacterial blight-resistant strong and excellent restorer line-zhenhui 832, thus obtaining the two-line hybrid rice-liangyou 832 with high quality, high rice blast and bacterial blight resistance and high yield. The rice cultivated by the method has the advantages of good comprehensive yielding ability, moderate maturation period, high quality, good commodification and strong stress resistance.

The invention relates to an screening method in vitro of elephant grass salt-tolerant somatic mutant belongs to a field of agricultural biotechnology. The process is: granular callus is transferred into proliferation medium with 16g / L NaCl, into differentiation medium with 16g / L NaCl after 45 days, and into rooting medium with no NaCl after 35 days to get regeneration plant; pot salt-tolerance identification of the regeneration plant is applied after tidal flat field comprehensive agronomic characters evaluation and grass-production measurement to get plants of which the fresh grass yield is higher than a control by 23.8% in tidal flat field with pH8.67-9.01; the fresh grass increment of the first time and the second tiome of cutting for the clonal progeny of the plants is higher than the control by 9.2% and 7.4% respectively in 1 / 2Hoagland nutrient solution with 8.25g / L sea-salt; therefore, the salt-tolerant somatic mutant of good comprehensive agronomic characters and significantly high salt-tolerance is selected. The invention has the advantages of simple-operation, short-cycle, and high selection efficiency.

The invention discloses a cultivation method for increasing yield of mechanically-transplanted rice with long seedling age, and belongs to technical field of rice cultivation. According to the cultivation method, from plate placement of a rice seedling bed to a one-leaf one-core period of seedlings, irrigation is preformed to enable seedling plates to be soaked by water, and water is drained; when soil in the plates dries up, irrigation is performed again to enable the seedling plates to be soaked by the water, and the water is drained; the steps are performed repeatedly. In the one-leaf one-core period, nitrogen-phosphorus-potassium compound fertilizer is applied into the seedling plates, and fertilization is not needed in later period. A wetting-drying alternation method is adopted for water management. 6-7 seedlings are transplanted in each hole during mechanical rice transplantation, and uniconazole is sprayed onto leaves during tillering. In a panicle primordium differentiation stage, liquid silicon fertilizer is used for irrigating roots after being diluted by water, and a silicon solution (prepared by Na2SiO3 9H2O (sodium metasilicate nonahydrate)) is sprayed onto the leaves. By the nutrient and water management mode and the like of the cultivation method, tillering capability and grouting firmness of the mechanically-transplanted rice with the long seedling age are improved greatly, effective ear numbers and actual ear numbers are remarkably increased, and the yield of the mechanically-transplanted rice with the long seedling age is effectively increased.

The invention discloses breeding and seed production methods of quality multi-resistant high-yield hybrid rice indica Zhen you 184. The rice bred through the method has good comprehensive yielding ability, moderate mature period, fine quality, good commercial value and strong stress resistance. The breeding method includes the steps of taking quality rice-blast-resistant sterile line Zhenxian 1A with high combining ability as the female parent to hybridize with quality bacterial-blight-resistant high-heterosis restorer line Zhen hui 084 to obtain hybrid rice indica Zhen you 184 with fine quality, strong rice blast resistance and bacterial blight resistance and high yield. The seed production method is as follows: seeding the male parent Zhen hui 084 in two periods, seeding the male parent in the I period at the end of April and then seeding the male parent in the II period 8-12 days later. The female parent is seeded 14-18 days after the male parent in the I period, the leaf age difference is about 3.0-3.5, the ratio of the rows of the male parent and the female parent in the seed field is 2:12-14, the male parent of the I period and the II period are in alternate single-plant transplantation, the row pitch of the female parent plants is 12-15cmX 16-19cm, and fewer-seedling transplanting is adopted. The seeds are isolated strictly, care is paid to remove the impurities, appropriate amount of '920' is sprayed through artificial supplementary pollination measure, and disease and insect control work is paid attention to.

The invention discloses a soil fertilizer composition, which is composed of the following raw materials by weight: 10 to 20 parts of bean pulp, 20 to 30 parts of thoroughly decomposed crop straw, 30 to 40 parts of thoroughly decomposed cattle fertilizer or pig fertilizer, 0.06 to 0.15 part of saccharomycetes, 1 part to 10 parts of quick lime, 10 parts to 15 parts of ferrisulphas, 0.6 part to 3 parts of copper sulfate, 0.8 part to 3 parts of monopotassium phosphate, 3 to 4 parts of chlorothalonil, 10 to 13 parts of Chinese cabbage dreg and 15 to 20 parts of decoction dreg. The soil fertilizer composition can improve quality, increase production substantially, remarkably improve physical characteristics of soil, improve water permeability of the soil and improve moisture and fertility preservation capability of the soil.

The invention discloses a method for remediating acid / heavy metal lead composite polluted soil by using Pennisetum hydridum. The method comprises the following steps: plowing polluted soil, and planting Pennisetum hydridum in low ridges from March, wherein irrigation and fertilizer application are performed or not performed in the complete growing season; and three months after planting, starting reaping the aerial part of Pennisetum hydridum once a month, incinerating the reaped substance by a conventional method, and extracting the heavy metal and fertilizer, thereby achieving the goal of remediating acid / heavy metal lead composite polluted soil. Pennisetum hydridum is a perennial herb; and by continuously planting the Pennisetum hydridum on the heavy metal lead polluted soil and continuously reaping the aerial part, the heavy metal lead in the soil is continuously extracted and transferred, and the pH value of the soil is changed until the soil achieves the environmental safety standard. The Pennisetum hydridum, which has the advantages of high biomass of the aerial part and developed root system, can absorb and fix abundant heavy metals, can retain water and protect soil, enhances the green level of the polluted area, and has favorable economic benefit, social benefit and ecological effect.

The invention discloses a rapid propagation method for holcoglossum flavescens. Rapid propagation of holcoglossum flavescens is completed through the steps of seed germination, induction of protocorm, differentiation culture, strong seedling culture, rooting culture, acclimatization and transplant and the like. Compared with a traditional division method, the growth coefficient of holcoglossum flavescens is improved by more than 5 times, the planting percent reaches 95%, the survival rate of transplanting reaches more than 85%, meanwhile, the method has the advantages of being large in increment coefficient, strong in tillering capacity, high in growth speed, strong in plant, low in browning ratio, high in survival rate of transplanting, and low in cost, culture medium is easy to prepare, and the method can be applied to large scale industrial production.

The invention belongs to the field of heterosis utilization, and particularly discloses a method for producing Guangliangyou No.1 hybrid rice seeds. The Guangliangyou No.1 hybrid rice seeds are new three-line early rice compositions produced by hybridizing a cytoplasmic male sterile line Guang 8S and a restorer line R1, wherein the female parent Guang 8S is the high-yield, high-quality and high-resistance cytoplasmic male sterile line bred by an expert Yang Zhenyu; and the male parent restorer line R1 is an inbred line. The hybrid seeds have the characteristics of high yield, stable production, high disease resistance and high biological yield.

The invention discloses a breeding method of the japonica rice variety Zhendao No.12 characterized in good quality, good taste, rice blast resistance and high production. The rice bred by the method has the advantages of good quality, good taste, high commodity value; excellent disease resistance, good yield stability and fertility, coordinated grain structure, auto-regulation; good plant type and maturation appearance. The breeding method of the invention includes the following steps: (A) selecting the self-selected Zhenxiang 24 of the late-maturing middle japonica rice characterized in early mature period, high production, rice blast resistance and good taste as the female parent, crossbreeding with the strain Zhen 511 characterized in rice blast resistance, good quality and appearance and good taste and obtaining 60 grains of F0 seeds; (B) fry soaking, sprouting and seed sowing of the F0 seeds, multiple crossing with the Wuyujing No. 8 variety with high production but bad quality, self-breeding for eight generations and obtaining the japonica rice characterized in extra quality, good taste, rice blast resistance and high production, that is the Zhendao No.12.

The invention discloses a method for producing livestock and poultry complete fermented feed by using fresh Chinese pennisetum pulp. The method is characterized in that the fresh Chinese pennisetum pulp is used as a main raw material and is fermented so as to prepare feed master batch, and the feed master batch is further blended so as to prepare the livestock and poultry complete fermented feed. The livestock and poultry complete fermented feed is suitable for feeding of livestock and poultry such as swine, cattle, sheep, ducks, chicken and geese. The production method is simple; the prepared livestock and poultry complete fermented feed is high in nutritive value, low in fiber content and easy to digest and has fragrant smell and good palatability. The livestock and poultry complete fermented feed is used for feeding the livestock and poultry, is capable of remarkably promoting the growth of the livestock and poultry and reducing feeding cost and has good production value and economic benefits.

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

The invention discloses a method for breeding and producing of hybrid seeds for hybrid rice II super 42. The breeding method comprises the following steps: A. taking Zhenhui129 as female parent and Zhenhui084 as male parent to get seed F0; B. auto-copulating for 5-7 generations and choosing at the same time plants with strong restoration and disease-resistant ability, short leaf, compact plant type and good appearance, cultivating out restoration system Zhenhui42 of new plant type, disease-resistant and high productivity; C. crossing sterile system II-32A with said restoration system Zhenhui42 and getting new rice breed II super 42 with high leaf blight-resistant property, short leaf and compact plant type. The rice got in this invention is characterized by the good comprehensive productivity, moderate maturity time; sound property; outstanding disease-resistant property and stable productivity.

The invention discloses a seedling culture method utilizing ineffective tillers of healthy sugarcane seedlings. The method comprises the steps that sugarcane tissue culture seedlings are cultured, theineffective tillers of first-generation sugarcane stems after the sugarcane tissue culture seedlings are transplanted are collected, buds of the ineffective tillers are taken for seedling culture ina seedling culture plate, and then mechanical transplanting is conducted. According to the method, the ineffective tillers of the healthy sugarcane seedlings are effectively utilized, healthy sugarcane seed stems are increased, the production cost of the healthy sugarcane seedlings is reduced, and the income of sugarcane growers is increased.

The invention discloses application of a rice auxin transport protein gene OsPIN9 in gene engineering, belonging to the field of gene engineering. The nucleotide sequence of the rice auxin transport protein gene OsPIN9 and the amino acid sequence for expressing OsPIN9 protein have an accession number of AK059229 in an NCBI website (www.ncbi.nlm.nih.gov / ). The application of the rice auxin transport protein gene OsPIN9 in gene engineering is reported for the first time in rice; the rice auxin transport protein gene OsPIN9 is involved in the transport of auxin in both aspects of heterogenous frog eggs and rice, thus increasing rice tillers, biomass, nitrogen utilization rate and final yield.

Provided is an application of an OsmiR156f gene in rice effective tillering increasing. The OsmiR156f gene which has important regulating effect on rice tillering development is selected from a miR156 family, a precursor pri-miR156f sequence is cloned, through a stem specific promoter vector construction method, the OsmiR156f gene which can increase tillering is guided into rice, specific expression in the stem of rice is carried out, and rice tillering development is regulated. The early tillering capacity of transgenic rice can be improved properly, tillering sprouts at a high section and later-period tillering are still restrained, accordingly, the effective tillering quantity of a single rice plant can be increased, ineffective tillering quantity is not increased, a transgenic line rice ear number is increased properly, influence on yield correlated characters such as rice ear length and thousand kernel weight is small, and finally the purpose of single-plant production increasing is achieved.

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.