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981 results about "Rice plant" patented technology
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Plant genome sequence and uses thereof
InactiveUS7868149B2Sugar derivativesMicrobiological testing/measurementADAMTS ProteinsPlant biochemistry
The present invention is in the field of plant biochemistry and genetics. More specifically the invention relates to nucleic acid molecules from plant cells, in particular, genomic DNA sequences from rice plants and nucleic acid molecules that contain markers, in particular, single nucleotide polymorphism (SNP) and repetitive element markers. In addition, the present invention provides nucleic acid molecules having regulatory elements or encoding proteins or fragments thereof. The invention also relates to proteins and fragments of proteins so encoded and antibodies capable of binding the proteins. The invention also relates to methods of using the nucleic acid molecules, markers, repetitive elements and fragments of repetitive elements, regulatory elements, proteins and fragments of proteins, and antibodies, for example for genome mapping, gene identification and analysis, plant breeding, preparation of constructs for use in plant gene expression, and transgenic plants.
Owner:MONSANTO TECH LLC
Method for planting se-enriched rice
ActiveCN103828665AIncrease productionIncrease selenium contentSeed and root treatmentFertilising methodsBiotechnologyInsect pest
The invention discloses a method for planting se-enriched rice. The method comprises the following steps of land selection and preparation; seeding; seedling culturing; transplanting; field management: intertillage, weeding, topdressing and insect pest prevention; and harvesting. The selenium content of rice planted by using the method is high, and the yield of the rice is also high. Testing confirms that the yield of the se-enriched rice is 620-650kg per acre, and the selenium content of the rice ranges from 0.1 mg / kg to 0.3mg / kg.
Owner:和县金城米业有限责任公司
Application for using LbCpf1-RR mutant in CRISPR/Cpf1 system in plant gene editing
ActiveCN108486146AExpand the scope of editingAntibody mimetics/scaffoldsNucleic acid vectorRice plantsMutant
The invention discloses application for using an LbCpf1 - RR mutant in a CRISPR / Cpf1 system in plant gene editing. The application for using the LbCpf1 - RR mutant in the CRISPR / Cpf1 system in plant gene editing uses an OsPDS gene and an OsSBEIIb gene as target genes, constructs a target double loci of one gene and a series of vectors of two genes, and utilizes an agrobacterium-mediated transformation method to import the vectors into rice callus, and rice plants with the target gene knockout are successfully obtained by using the LbCpf1-RR mutant. The only difference between the LbCpf1-RR mutant and the protein LbCpf1 is that the 532nd amino acid changes from G to R, and the 595th amino acid changes from K to R. The LbCpf1-RR mutant provided by the application for using the LbCpf1 - RR mutant in the CRISPR / Cpf1 system in plant gene editing expands the PAM site sequence identified by the LbCpf1-RR mutant, so that the editing range of the CRISPR / Cpf1 system in rice genome is expanded, great significance for promoting the application of the system in the field of plant genome editing is achieved. The application for using the LbCpf1 - RR mutant in the CRISPR / Cpf1 system in plant geneediting has great application value.
Owner:INST OF CROP SCI CHINESE ACAD OF AGRI SCI
Ecological water conservancy restoration system and method for heavy metal polluted farmland soil
ActiveCN104259192AReduce processing difficultyImprove processing efficiencyContaminated soil reclamationSoil scienceRestoration method
The invention provides an ecological water conservancy restoration system and method for heavy metal polluted farmland soil. The ecological water conservancy restoration method comprises elution and purification of soil heavy metals in a planting intermission period and water and fertilizer combined prevention and control of soil residual heavy metals in a planting period; in a rice planting intermission period, circular treatment of environmental-protection elution, field water recession and forced drainage and receded water ecological purification is carried out on heavy metal polluted soil sequentially, so that overproof heavy metals in rice soil can be gradually transferred into a water body to be treated, and thus the rice field is cleaned; in a rice planting period, field water and fertilizer combined prevention and control is carried out on the residual heavy metals after the rice soil is eluted, so as to prevent and control the heavy metals from entering the rice; a series of treatment measures to the soil heavy metals in the rice planting intermission period and the planting period can ensure the treatment on symptoms and root causes of the heavy metal polluted rice soil and further can ensure the safe planting of rice.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Rice cultivar R031001
InactiveUS6956154B2Improve nutritional qualityOther foreign material introduction processesFermentationCultivarOryza sativa
A novel rice cultivar, designated R031001, is disclosed. The invention relates to the seeds of rice cultivar R031001, to the plants of rice R031001 and to methods for producing a rice plant produced by crossing the cultivar R031001 with itself or another rice variety. The invention further relates to hybrid rice seeds and plants produced by crossing the cultivar R031001 with another rice cultivar.
Owner:RICE TEC AG
Fertilizer specially used for rice and preparation method thereof
ActiveCN103964971AIncrease profitEasy to breatheFertilizer mixturesPotassiumMagnesium ammonium phosphate
The invention discloses a fertilizer specially used for rice and a preparation method thereof. The fertilizer comprises an organic fertilizer and an inorganic fertilizer, wherein the inorganic fertilizer is prepared from the following raw materials: urea, monoammonium phosphate, potassium chloride, lime nitrogen, magnesium ammonium phosphate, zinc sulfate, boric acid, a sterilizing agent, urea formaldehyde, diatomite, ATS and dicyandiamide; the urea formaldehyde containing ammonium thiosulfate and dicyandiamide serves as a coating, and the diatomite is attached to the outer side of the coating; the other raw materials are contained in the coating. The organic fertilizer is prepared from the following raw materials: sterilizing agent decoction dregs, chicken manure, bagasse, xylitol residue, cottonseed cake and plant ash. The fertilizer can meet the requirement of the whole rice growth period after being applied once, manual labor is saved, the soil aeration, fertilizer absorption and water retention characteristics can be improved, steady growth of rice plants is promoted, and the yield is increased by 10-20 percent per mu.
Owner:JINAN BADUN FERTILIZER
Artificial fixed-point rice dense and erect panicle (DEP1) gene mutant body and application thereof
The invention discloses an artificial fixed-point rice dense and erect panicle (DEP1) gene mutant body and application thereof. The rice DEP1 gene mutant body as well as a corresponding allele is obtained by modifying a 5th exon of a DEP1 gene by adopting a CRISPR / Cas9 gene targeting modification technology, so that a base of the 5th exon is replaced, lost and inserted. The artificial fixed-point rice DEP1 gene mutant body and the application thereof disclosed by the invention have the benefits that the artificial mutation is performed on the 5th exon of the rice DEP1 gene by adopting the CRISPR / Cas9, and the mutant body capable of obviously improving the rice yield and the allele are screened; the DEP1 gene mutant body disclosed by the invention as well as the corresponding allele can improve the yield of rice plants by 13-51 percent and is even superior to a natural mutation type.
Owner:云南纳博生物科技有限公司
Plant Genome Sequence and Uses Thereof
The present invention is in the field of plant biochemistry and genetics. More specifically the invention relates to nucleic acid molecules from plant cells, in particular, genomic DNA sequences from rice plants and nucleic acid molecules that contain markers, in particular, single nucleotide polymorphism (SNP) and repetitive element markers. In addition, the present invention provides nucleic acid molecules having regulatory elements or encoding proteins or fragments thereof. The invention also relates to proteins and fragments of proteins so encoded and antibodies capable of binding the proteins. The invention also relates to methods of using the nucleic acid molecules, markers, repetitive elements and fragments of repetitive elements, regulatory elements, proteins and fragments of proteins, and antibodies, for example for genome mapping, gene identification and analysis, plant breeding, preparation of constructs for use in plant gene expression, and transgenic plants.
Owner:BOUKHAROV ANDREY +5
Ecological fish farming method in rice field and ecological rice produced by rice plants
InactiveCN103355071AIncrease the effective use areaTake advantage ofClimate change adaptationPisciculture and aquariaCalcium in biologyVitamin C
The invention discloses an ecological fish farming method in a rice field, which comprises the following steps of rice field preparation, rice field transformation, fish farming facility preparation, rice seedling transplantation, biosorption, rice field disinfection, irrigation, fertilization, stocking fish seed selection, stocking fish fry disinfection, stocking and feeding management, wherein annular field fish ditches dug through the rice field transformation are V-shaped ditches arranged on the inner sides of ridges around the rice field; the biosorption utilizes a biosorption agent to adsorb heavy metal in rice field soil and irrigation water; and stocking fish seeds are selected from eight-beard catfishes. The invention further discloses rice produced by rice plants planted in the rice field using the ecological fish farming method. According to the method and the rice, an effective usable area of the rice field is increased significantly; pollution of the heavy metal such as lead and cadmium is reduced; integral benefits of fish farming in the rice field are improved; the ecological rice contains rich protein, more microelements such as iron, magnesium and calcium, and vitamin C, has no chemical pesticide residual, and is green and environment-friendly; and the content of the heavy metal such as lead and cadmium is very low.
Owner:JIANGYAN QINGRONG RICE CULTIVATION SPECIALTY COOP
Small-sized inter-row weeding robot for paddy fields
The invention belongs to the field of agricultural robots, in particular to a small-sized inter-row weeding robot for paddy fields, which comprises a chassis, a drive system, a control system, a sensing system, a weeding device and a power source. A drive motor drives a spindle to rotate so as to drive paddle wheels, and the paddle wheels rotate at different speeds to turn the robot. A direct current motor drives a weeding disc blade to rotate to cut off inter-row weeds on a paddy field. Silt generated in travelling of the paddle wheels covers the weeds among plants to inhibit the inter-plant weeds. After a limit switch contacts with rice plants, a single chip microcomputer controls the left motor and the right motor to rotate at different speeds so as to lead the weeding robot to turn and avoid the plants. When a pressure sensor touches a ridge, the single chip microcomputer controls the drive motor to rotate reversely and the weeding robot continues operating in the opposite direction. The sensing system is capable of measuring information such as paddy field water temperature, plant amount and the like. The small-sized inter-row weeding robot for paddy fields is operated in a mechanical weeding mode, so that usage of pesticides and weeding labor are reduced, environment pollution by the pesticides is lessened, and cost is saved. The small-sized inter-row weeding robot for paddy fields is small in size and light in weight.
Owner:JIANGSU UNIV
CRISPR/Cpf1 system-mediated homologous recombination method using RNA transcript as repair template
The invention discloses a CRISPR / Cpf1 system-mediated homologous recombination method using an RNA transcript as a repair template. The method adopts rice ALS genes as a research object, and constructs a homologous recombination vector. RCR1-RCR2-RDR fragments are transcribed in vitro, a RNP method is used, the RNA transcript is used as the repair template, and homologous recombination repair of target genes is achieved in rice callus. The vector is introduced into the rice callus by a gene gun method, and rice plants with ALS gene fixed-point modification are obtained. The results show that RNA used as the repair template can successfully mediate homologous recombination of the target genes, and the method provides a novel idea for crop breeding, and has strong application potential in agricultural breeding.
Owner:INST OF CROP SCI CHINESE ACAD OF AGRI SCI
Anti-rice blast gene Pi9 specific CAPS marker Pi9caps and application thereof
InactiveCN104630364ALimited applicabilityAccelerate the progress of breedingMicrobiological testing/measurementDNA/RNA fragmentationRice plantsHomologous sequence
The invention discloses an anti-rice blast gene Pi9 specific CAPS marker Pi9caps and application thereof. The invention discloses a method for identifying or auxiliarily identifying whether rice contains anti-rice blast gene Pi9 and / or whether rice has rice blast resistance, which comprises the following steps: detecting 40804th nucleotide from the 5' terminal of 75-1-127BAC12.1 sequence or homologous sequence thereof in chromosome 6 of rice to be detected, and identifying according to the kind of the 40804th nucleotide the 5' terminal of the 75-1-127BAC12.1 sequence or homologous sequence thereof in chromosome 6 of rice. The anti-rice blast gene Pi9 specific CAPS marker Pi9caps can accurately judge whether the selected rice plant contains the anti-rice blast gene Pi9, and thus, has important application meanings in accelerating the anti-rice blast rice species breeding progress.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI +1
Rice and lobster co-culture method
InactiveCN108668982ALess frequent attacksReduce disease control costsClimate change adaptationPisciculture and aquariaShrimp cultureFishing
A rice and lobster co-culture method includes a rice planting part and a lobster breeding part. The lobster breeding part includes the steps of (1) rice field modification; (2) juvenile shrimp culture; (3) adult shrimp breeding; (4) parent shrimp putting; (5) adult shrimp fishing, supplementary juvenile shrimp putting and parent shrimp retention. The rice planting part includes the steps of (1) rice cultivation; (2) rice field management; (3) field drying; (4) rice pest and disease control; (5) draining and harvesting. Compared with an ordinary rice and lobster co-culture mode, the morbidity frequency of lobsters can be reduced to 45 days or so from 7-10 days, the disease control cost is reduced by 150 yuan / mu or so, and the survival rate can be increased to 80% or above from 30-40%.
Owner:WUHAN JINHE TECH DEV
Method for preventing and controlling rice grubs by breeding soft-shelled turtle in rice field
InactiveCN102577800AImprove fertilityPromote healthy growthPlant protectionAnimal husbandryAnimal scienceVermin
The invention provides a method for preventing and controlling rice grubs by breeding soft-shelled turtle in a rice field, comprising the following steps of: (1) breeding strong rice seedlings, and transplanting the rice seedlings to large field; (2) digging deep ditches at the periphery and the middle part of the rice field; (3) setting habitats for the soft-shelled turtle at the middle part of the rice field and at the two sides of the rice field; (4) mounting escaping (stealing)-preventing facilities; (5) selecting young soft-shelled turtles; and (6) determining breeding time and density of soft-shelled turtle and disinfecting the young soft-shelled turtles, wherein Chinese soft-shelled turtle can be bred two days after rice is transplanted, and 30-50 Chinese soft-shelled turtles with the weight of 250-300g can be bred every 667 square meters. By adopting the method provided by the invention, quantity of spiders in the rice field can be improved, the quantity of rice plant hoppers can be reduced, ratio of the spiders to the rice plant hoppers is improved by 45.23%, damage of the rice plant hoppers is obviously reduced, control effect on cnaphalocrocis medinalis is 38.89%, and dead heart rate caused by damage of borers (chilo suppressalis and sesamia inferens) is reduced by 25% compared with that of the rice field in which the soft-shelled turtles are not bred.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
Rice ridge culture salt-avoiding water-saving planting method of severe soda saline-alkali soil
InactiveCN102487770AImprove survival rateReduce salinityHorticulture methodsRice cultivationAlkali soilEcology
The invention provides a rice ridge culture salt-avoiding water-saving planting method of severe soda saline-alkali soil. The characteristic that pH value and EC of the position of a ridge waist of a severe soda saline-alkali area are the lowest is utilized, rice seedlings are transplanted at the position of the ridge waist, damage of salt to rice root systems is avoided, and the environment suitable for normal growth of rice is created. The rice ridge culture salt-avoiding water-saving planting method of the severe soda saline-alkali soil solves the problems that the rice planting survival rate of the severe soda saline-alkali soil is low, growth of the rice is subjected to saline and alkaline limitation, and the like. The rice ridge culture salt-avoiding water-saving planting method of the severe soda saline-alkali soil is low in cost, reduces harrowing measures, improves soil, increases ground temperature, expands effective ploughing area, and is of great importance for increasing rice yield.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
Tissue specificity expression promoter PD540 and application of the same in rice modification
InactiveCN101016546AImprove securityAddress food safety issuesFermentationVector-based foreign material introductionBiotechnologyPlant genetic engineering
The invention discloses a DNA fragment separating colony and functional checking of rice tissue special expressing promoter PD54O in plant gene engineering technical domain, which is characterized by the following: the PD54O promoter expresses in rice leaf and leaf sheath and does not express in germ and endosperm; transferring genetic rice plant can resist the invasion of borer with the expression of PD54O regulate and control insect-resisting gene; it does not express Bt protein in seeds of food.
Owner:HUAZHONG AGRI UNIV
Cloning and application of major gene GS5 capable of controlling width and weight of rice grain
The invention belongs to the technical field of plant gene engineering, disclosing a separated and cloned major gene GS5 capable of controlling the width and the weight of a rice grain and the DNA sequence of the allelic gene of the major gene GS5. The DNA sequence is shown as SEQ ID NO.1 (Zhenshan 97B) and SEQ ID NO.3 (H94) and contains 10 exons. The amino acid sequence of the major gene and the amino acid sequence of the allelic gene are shown as SEQ ID NO.2 and SEQ ID NO.4. By using two large-grain rice varieties and two small-grain rice varieties for comparative sequencing, in an approximately 6.1kb range, 22 common base differences exist between the large-grain variety and the small-grain variety, wherein 18 mutations are in a promoter area, 4 mutations are in a code area and 5 amino acids are caused to be changed. By using a transgenic technology, GS5 transgenic rice plants are obtained and express that the width and the weight of the rice grain are obviously improved when being compared with the control width and the control weight of the rice grain. The character changes are quite coincident with the two genotype expressions of a Zhenshan 97 near-isogenic line and a GS5 near-isogenic line. The invention additionally discloses a method of near-isogenic line breeding, gene cloning and gene transfer and application thereof.
Owner:HUAZHONG AGRI UNIV
Preparation of ethofenprox film-spreading oil solution and application of ethofenprox film-spreading oil solution on control of rice plant hopper
Provided are preparation of ethofenprox film-spreading oil solution and application of the ethofenprox film-spreading oil solution on control of rice plant hopper. A preparation method of the ethofenprox film-spreading oil solution and the control effects of the ethofenprox film-spreading oil solution on the rice plant hopper are disclosed. The optimal formula is that the film-spreading oil solution comprises the following components, by mass: 1-20% of ethofenprox, 5-25% of solvents, 1-20% of surfactants, 1-10% of film-forming additives, and the balance soybean oil. The preparation method comprises evenly mixing the solvents and the diffusion additives which form the ethofenprox film-spreading oil solution, then adding ethofenprox raw pesticide, carrying out stirring and dissolving, and adding the surfactants, and evenly stirring to obtain the ethofenprox film-spreading oil solution. The ethofenprox film-spreading oil solution is used on the water surface, namely active ingredients can spread and diffuse on the water surface rapidly after the ethofenprox film-spreading oil solution is scattered or dripped to the water surface, and pests moving on the water surface or pests inhabiting or harming the portions of plants close to the water surface can be killed. The ethofenprox film-spreading oil solution has the advantages of rapidly spreading to form a film and being capable of effectively forming the film or spreading at the portions of the plants close to the water surface by adsorption or capillarity.
Owner:上海沪联生物药业(夏邑)股份有限公司
Special fertilizer for rice
InactiveCN105819972AResistant to decompositionPromote absorptionCalcareous fertilisersNitrogenous fertilisersSucroseNitrohumic acid
The invention provides a special fertilizer for rice. The special fertilizer is prepared from the following raw materials: nitrogen-phosphorus-potassium fertilizer, animal amino acid, nitrohumic acid, organic trace elements, inorganic trace elements, medium elements, biomass ash and lime powder, wherein the ratio of nitrogen fertilizer, phosphorus fertilizer to potassium fertilizer in the nitrogen-phosphorus-potassium fertilizer is (15-20):(8-12):(10-15); and the organic trace elements include sucrose complex copper, sucrose complex iron, sucrose complex zinc, sucrose complex manganese, sucrose complex magnesium, silicon humate fertilizer, sodium humate, magnesium humate, zinc humate and urea iron humate. With high nitrogen content and high-quality humic acid, the special fertilizer for rice provided by the invention improves the soil fertility, promotes quick growth of rice plants, increases the utilization rate of fertilizer, reduces fertilizer loss and obviously increases the rice yield.
Owner:STANLEY FERTILIZER GUIGANG
Castration method for rice hyberdization
InactiveCN103733984AImprove efficiencyLabor savingPlant genotype modificationPollinationResearch worker
The invention discloses a castration method for rice hyberdization, belongs to the technical field of crop breeding and particularly relates to a new castration method for rice hyberdization based on spikelet clipping and water spraying. The castration method for rice hyberdization comprises the following steps: 1, determining reasonable sowing time; 2, selecting rice plants; 3, pruning spikes of whole plants; 4, performing castration based on spikelet clipping and water spraying; and 5, performing pollination timely and efficiently. According to the castration method disclosed by the invention, the problems of high labor intensity, incomplete castration and hyberdization failure due to pistil damage in the past rice hyberdization work are solved, and the technology used in the castration method has the advantages of labor and cost economy, simplicity and convenience in operation, high hyberdization success rate, economy, environment friendliness and the like, and is highly popular among scientific research workers on breeding, and has a wide application prospect.
Owner:江苏丰收种业有限公司 +1
Rice Cultivar Templeton
InactiveUS20110072534A1Improve nutritional qualityIndustrial useOther foreign material introduction processesFermentationGenetically modified riceOryza
A rice cultivar designated Templeton is disclosed. The invention relates to the seeds of rice cultivar Templeton, to the plants of rice cultivar Templeton, to plant parts of rice cultivar Templeton, and to methods for producing a rice plant produced by crossing rice cultivar Templeton with itself or with another rice variety. The invention also relates to methods for producing a rice plant containing in its genetic material one or more transgenes and to the transgenic rice plants and plant parts produced by those methods. This invention also relates to rice cultivars, or breeding cultivars, and plant parts derived from rice cultivar Templeton, to methods for producing other rice cultivars, lines or plant parts derived from rice cultivar Templeton, and to the rice plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid rice seeds, plants, and plant parts produced by crossing rice cultivar Templeton with another rice cultivar.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ARKANSAS
Plant having improved resistivity or sensitivity to 4-hppd inhibitor
ActiveCN103403165AImprove the immunityIncreased sensitivityMicrobiological testing/measurementOxidoreductasesBiotechnologyResistant genes
A 4-HPPD inhibitor-resistant gene is identified as a gene (HIS1 gene) which is estimated as an iron- / ascorbic acid-dependent oxidoreductase gene located on the short arm of chromosome-2 of a rice plant, by carrying out QTL analysis using a 4-HPPD inhibitor-sensitive rice plant and a 4-HPPD inhibitor-resistant rice plant or the like. It is also found that a homologous gene (HSL1 gene) to the HIS1 gene is located on chromosome-6 of a rice plant. It is found that a plant having improved resistivity or sensitivity to a 4-HPPD inhibitor can be produced with high efficiency and the resistivity or sensitivity of a plant to a 4-HPPD inhibitor can be determined with high efficiency using the aforementioned genes.
Owner:NAT AGRI & FOOD RES ORG +1
Plant information acquisition system, plant information acquisition device, plant information acquisition method, crop management system and crop management method
ActiveUS20170358106A1Low priceEasy to implementOptical radiation measurementImage enhancementManagement information systemsImaging data
Information of plant based on color of a surface of plant is acquired from image data obtained by imaging plant, allowing to acquire information of plant at low cost, compared to chlorophyll meter or spectroscopic analyzer. In crop production like rice plant, fertilization management including fertilizer application management like fertilizer amount determination, or other agricultural works, is supported through a smart phone or the like based on data to be observed, like converted leaf color value is calculated from image data obtained by crop imaging. Camera is connected to smart phone. Converted leaf color value can be obtained from image data obtained by imaging leaf of rice plant by camera. Converted leaf color value is transmitted to management server, for example, amount information of applied fertilizer is required in case where converted leaf color value is less than standard, can be obtained as management information for fertilizer application management.
Owner:MAXELL HLDG LTD
Application of nitrate radical transporter gene OsNRT1.8 in rice breeding
ActiveCN106337055AEnhanced tillering abilityIncrease productionPlant peptidesFermentationGrowth plantNitrogen
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.
Owner:WUHAN INST OF BIOENG
Hyperspectral imaging-based measuring equipment of chlorophyll content of whole rice plant and method thereof
ActiveCN105021617AAccurate and reliable measurement resultsEasy to operateColor/spectral properties measurementsHyperspectral imagingMeasuring equipment
The invention discloses a hyperspectral imaging-based measuring equipment of chlorophyll content of a whole rice plant and a method thereof. The measuring equipment comprises a darkroom, a first light source, a second light source, a light source controller, a workstation computer, a hyperspectral camera, a first proximity switch, a second proximity switch, a translation stage, a translation stage controller and the like. The measuring method comprises the following steps: a hyperspectral imaging system is established; spectroscopic data of rice in each pot is acquired by the use of the hyperspectral imaging system; chlorophyll content of rice in each pot is measured manually; and modeling of chlorophyll and spectral indexes is conducted. By the utilization of the hyperspectral imaging method, the shot spectroscopic data is processed by data analysis and image processing techniques, and chlorophyll content of a whole rice plant is obtained through analysis. By integrating acquisition, extraction, calculation and other steps into the same system, the measuring equipment and the measuring method has advantages of online lossless measurement, accurate and reliable measuring result, simple operation and the like.
Owner:HUAZHONG AGRI UNIV +1
Artificial paddy wetland system and method for controlling the non-point source pollution of paddy field
InactiveCN104891661AEmission reductionAchieve production increaseSustainable biological treatmentBiological water/sewage treatmentDitchWetland
The invention belongs to the technical field of non-point source pollution control, and discloses a method for controlling the non-point source pollution of paddy field, artificial paddy wetland system, and a paddy field wetland system for improving the P and N utilization rate of paddy field. The system structure uses the paddy field as the upper stream, and a paddy field wetland is constructed in the drainage downstream of the paddy field along the river. The surface of the paddy field wetland soil is 25-32cm lower than surface of the paddy field soil, and the area of the paddy field wetland is 3%-5% of the paddy field; the paddy filed wetland and paddy field are separated by the isolation ridge; paddy field ridges are around the paddy field, and paddy field wetland ridges are around the paddy field wetland; an irrigation ditch is arranged along one side of the paddy field and the paddy field wetland, and a drainage ditch is arranged on the other side. The method uses the paddy field to block, absorb and utilize the pollutant substances in the water, in order to reduce the pollutant substances in the output water; the paddy rice planted in the paddy field wetland uses the N, P and other elements in the drain away water from upstream paddy field as the source of nutrients, so as to increase the utilization rate of N and P in the paddy field.
Owner:SHANGHAI JIAO TONG UNIV +1
Cultivation method of selenium-enriched high-yielding rice
InactiveCN105613160AImprove survival rateIncrease productionMagnesium fertilisersAlkali orthophosphate fertiliserInorganic seleniumHigh yielding
The invention discloses a cultivation method of selenium-enriched high-yielding rice. The method is characterized by comprising the steps of selecting seeds, soaking the seeds, accelerating germination, sowing, performing field management, performing fertilization management and the like. The steps of soaking the seeds and accelerating germination can improve a germination rate and a survival rate after direct seeding, and reduce the use amount of the seeds; as for selenium-enriching, a rice base fertilizer is prepared by using an unique fermentation process; in the base fertilizer, inorganic selenium is combined with organic selenium in straws, so that selenium is slowly released at a low concentration; rice plants can be promoted to absorb selenium permanently and effectively, the inhibiting effect, on rice growth, caused by excessive concentration of selenium or applying selenium for several times also can be avoided, and therefore the yield of the rice is influenced.
Owner:界首市聚丰家庭农场
Methods of Expressing Heterologous Protein in Plant Seeds Using Monocot Non Seed-Storage Protein Promoters
InactiveUS20080010697A1Sugar derivativesOther foreign material introduction processesRice plantsPlanting seed
The invention is directed to expression of non-plant proteins in rice plants. Expression is optimized by use of a non-rice promoter of a monocot protein gene and its corresponding signal peptide for expression of the non-plant protein in rice plant at high yields. The invention is useful for making human proteins, polypeptides and peptides in rice seeds. The expressed protein product can be isolated from the rice seed for administration to humans or other animals.
Owner:VENTRIA BIOSCIENCE
Pollution-free and high-quality paddy rice planting method
InactiveCN105248208AHigh nitrogen contentImprove fertilityAlkali orthophosphate fertiliserExcrement fertilisersGrazingSlag
The invention discloses a pollution-free and high-quality paddy rice planting method. The method comprises the following steps: S1, rice field pretreatment, wherein a field planted with green manure is selected, and then turning over of green manure, irrigation, retting, rotary tillage and raking, and ridge separation are carried out; S2, rice transplanting; S3, fertilization, wherein after 5-8 days of rice transplanting, 80-100 kg of a mixed fertilizer is applied to each mu of the field, the depth of water in the rice field is kept to be 8-10 cm, and the mixed fertilizer comprises the following raw materials in parts by weight: 75-130 parts of an organic fertilizer, 30-55 parts of an inorganic fertilizer, 6-10 parts of gas making carbonized coalball slag, 5-10 parts of diatomite, 6-9 parts of seaweed and 4-7 parts of chitosan; S4, duck grazing; S5, fertilization after a heading stage, wherein after the heading stage of seedlings, ducks are evicted from the field, urea are topdressed, the depth of water in the rice field is kept to be 8-10 cm, and 2-4 kg of urea is applied to each mu of the field; S6, harvest. The paddy rice planted by the method is high in quality, environment-friendly and free from contamination.
Owner:ANHUI MUMAHU AGRI DEV GRP
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