271-397-8 Autres appellations Oryza sativa powder , Oryza sativa (Rice) powder. J Agric Food Chem 51(18):5271-5277 PubMed Google Scholar rice; Other Scientific Names. Oryza sativa L. Preferred Common Name. elongata Desv. Oryza sativa L. Poaceae Common rice. A number of genes that contribute to the domestication traits of cultivated rice have been identified. This study shows that rice (Oryza sativa L.) roots can acquire aspartate at soil concentration, and that japonica subspecies take up this acidic amino acid 1.5‐fold more efficiently than indica subspecies. Oryza sativa powder Nom français Poudre de grain de riz N° CAS. Is Oryza Sativa (Rice Bran) oil safe to use on my skin? Handbook of Energy Crops. Oryza sativa subsp. Retourner à la liste des ingrédients. Steud. japonica cultivar Nipponbare (Japanese rice) Oryza is a genus of plants in the grass family. Rice is the seed of the grass species Oryza glaberrima (African rice) or Oryza sativa (Asian rice). Pannakaidasig. Description ...

It has been suggested that jasmonic acid (JA) could be an integral part of a general signal transduction system regulating inducible defense genes in plants. It was reported that treatment with an elicitor (N-acetylchitoheptaose) induced production of phytoalexin in suspension-cultured rice (Oryza sativa L.) cells. In this study, the role of JA in the induction of phytoalexin production by N-acetylchitoheptaose was investigated. Exogenously applied ([plus or minus])-JA (10-4 M) clearly induced the production of momilactone A, a major phytoalexin, in suspension-cultured rice cells. On the other hand, in rice cells treated with N-acetylchitoheptaose, endogenous JA was rapidly and transiently accumulated prior to accumulation of momilactone A. Treatment with ibuprofen, an inhibitor of JA biosynthesis, reduced production of momilactone A in the cells treated with N-acetylchitoheptaose, but the addition of ([plus or minus])-JA increased production of momilactone A to levels higher than those in the ...

摘要】：[Background] Eating and cooking qualities(ECQs) of rice(Oryza sativa L.) determine consumer acceptance and the economic value of rice varieties. Genetic factors are required for development of rice varieties with excellent ECQs and association mapping is one of the promising approaches for discovering such associated genetic factors. [Material and method] A genome-wide association mapping was performed on a set of 253 non-glutinous rice accessions consisting of 83 indica and 170 japonica Asian cultivated rice varieties through phenotyping for 11 ECQ traits in two consecutive years and genotyping with 210 polymorphic SSR and candidate-gene markers. [Results] These markers amplified 747 alleles with an average of 3.57 alleles per locus. The structure, phylogenetic relationship, and principal component analysis indicated a strong population differentiation between indica and japonica accessions and association mapping was thus undertaken within indica and japonica subpopulations. All ...

TY - JOUR. T1 - Genetic variation of blast (Pyricularia oryzae cavara) resistance in rice (oryza sativa l.) accessions widely used in kenya. AU - Fukuta, Yoshimichi. AU - Suzuki, Tomohisa. AU - Yanagihara, Seiji. AU - Obara, Mitsuhiro. AU - Tomita, Asami. AU - Ohsawa, Ryo. AU - Machungo, Catherine Wanjiku. AU - Hayashi, Nagao. AU - Makihara, Daigo. N1 - Funding Information: This study was carried out under the Japan International Research Center for Agricultural Sciences (JIRCAS) research projects Development of rice production technologies in Africa and Rice Innovation for Environmentally Sustainable Production Systems from 2011 to 2015, and Development of sustainable technologies to increase agricultural productivity and improve food security in Africa from 2016 to 2020, funded by the Ministry of Agriculture, Forestry and Fisheries of Japan. And Japan Society for the Promotion of Science (JSPS) and National Commission For Science, Technology and Innovation (NACOSTI) under the Bilateral ...

The wild species of the genus Oryza offer enormous potential to make a significant impact on agricultural productivity of the cultivated rice species Oryza sativa and Oryza glaberrima. To unlock the genetic potential of wild rice we have initiated a project entitled the Oryza Map Alignment Project (OMAP) with the ultimate goal of constructing and aligning BAC/STC based physical maps of 11 wild and one cultivated rice species to the International Rice Genome Sequencing Projects finished reference genome--O. sativa ssp. japonica c. v. Nipponbare. The 11 wild rice species comprise nine different genome types and include six diploid genomes (AA, BB, CC, EE, FF and GG) and four tetrapliod genomes (BBCC, CCDD, HHKK and HHJJ) with broad geographical distribution and ecological adaptation. In this paper we describe our strategy to construct robust physical maps of all 12 rice species with an emphasis on the AA diploid O. nivara--thought to be the progenitor of modern cultivated rice ...

This dataset contains information about rice accessions screened for resistance to bacterial leaf blight (BLB). These accessions are currently conserved at MARDIs rice genebank. Plant breeders and scientists use the information contained in this dataset for identifying potential rice accessions to be included in their plant breeding programs. The evaluation was performed in the field during the main planting season 2014/2015. ...

Weedy rice is a serious problem of cultivated rice in most of the rice-growing areas in Asia, causing increased production costs and yield losses in rice. A study was conducted to determine the response of weedy rice accessions from India (IWR), Malaysia (MWR), Thailand (TWR), and Vietnam (VWR) to seed burial and flooding depths. The greatest emergence for each weedy rice accession (97% for IWR, 82% for MWR, 97% for TWR, and 94% for VWR) was observed in seeds placed on the soil surface. Seedling emergence decreased with increase in burial depth. For the IWR accession, 0.5% of the seedlings emerged from 8-cm depth, whereas for the other three weedy rice accessions, no seedlings emerged from this depth. When seeds were sown on the soil surface, flooding depth ranging from 0 to 8 cm had no or very little effect on seedling emergence of different weedy rice accessions. On the other hand, flooding decreased seedling emergence in all weedy rice accessions when seeds were sown at 1 cm deep into the ...

TY - JOUR. T1 - Inorganic arsenic in rice-based products for infants and young children. AU - Signes-Pastor, Antonio J.. AU - Carey, Manus. AU - Meharg, Andrew A.. N1 - Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved.. PY - 2016/1/15. Y1 - 2016/1/15. N2 - Inorganic arsenic (Asi) is a chronic, non-threshold carcinogen. Rice and rice-based products can be the major source of Asi for many subpopulations. Baby rice, rice cereals and rice crackers are widely used to feed infants and young children. The Asi concentration in rice-based products may pose a health risk for infants and young children. Asi concentration was determined in rice-based products produced in the European Union and risk assessment associated with the consumption of these products by infants and young children, and compared to an identical US FDA survey. There are currently no European Union or United States of America regulations applicable to Asi in food. However, this study suggests that the ...

Grain (seed) of brown rice, GMO (Oryza sativa), coloured scanning electron micrograph (SEM). A grain of rice is the seed from the rice plant (Oryza sativa). There are two layers around the rice seed, the aleurone layer (brown), and a dry husk (pericarp, black). Husked rice is known as brown rice. Most of the vitamins and protein of the original seed are found in the outer layers. Milling and polishing removes the outer layers from the rice grain to eventually yield white rice. Removing the two outer rice layers changes the taste and degrades the nutritional value of the rice. Rice is the second most important crop in the world (wheat being first). This brown rice strain has been genetically modified (GMO). Magnification: x5.8 when shortest axis printed at 25 millimetres. - Stock Image C032/4357

Crop domestications are long-term selection experiments that have greatly advanced human civilization. The domestication of cultivated rice (Oryza sativa L.) ranks as one of the most important developments in history. However, its origins and domestication processes are controversial and have long been debated. Here we generate genome sequences from 446 geographically diverse accessions of the wild rice species Oryza rufipogon, the immediate ancestral progenitor of cultivated rice, and from 1,083 cultivated indica and japonica varieties to construct a comprehensive map of rice genome variation. In the search for signatures of selection, we identify 55 selective sweeps that have occurred during domestication. In-depth analyses of the domestication sweeps and genome-wide patterns reveal that Oryza sativa japonica rice was first domesticated from a specific population of O. rufipogon around the middle area of the Pearl River in southern China, and that Oryza sativa indica rice was subsequently ...

Only 8 left in stock - order soon. Purchase wild rice and wild rice flour in bulk and prepackaged amounts. Wild rice basic cooking instructions: (cooked rice will triple in volume) Wash wild rice in 3 changes of hot tap water. The grains are long, with great texture. combine 1 cup wild rice to 4 cups water. Chefâ s choice Wild Rice is an A-Grade grain, consisting of dark and glossy appearances varying in length that turn deep brown when cooked. Bineshii world famous for its hand harvested cedar wood parched wild rice including ghost wild rice, gourmet wild rice, chefs reserve wild rice and more. Pure maple syrup, wild rice pancake mix, fish batter and gift baskets, wild rice recipes, natural foods. Floating Leaf Wild Rice Blend - 14 ounces, 1 count - Wild Rice Blend With Riceberry, Red Rice And Brown Rices - Gluten Free - Non GMO - All Natural - Vegan - Plant Based. Wild rice is high in nitrogen and phosphorous. Wild rice is rich in the antioxidants yet it is low in fats. The seed has an ...

Interpretive Summary: Rice blast is one of the most threatening diseases worldwide. We examined the origins of rice disease resistance genes by taking a closer look at one major rice blast resistance gene, Pi-d2. DNA sequence variation of this gene was found in 35 cultivated rice, Oryza sativa, and 6 wild rice accessions. Pi-d2 was found in accessions of O. rufipogon, a putative progenitor of cultivated rice, suggesting that Pi-d2 originated in wild rice before the formation of subgroups in cultivated rice. This study validated the theory that wild rice is a source of novel resistance to blast disease. These findings will help us discover critical portions of resistance genes and allow us to develop novel strategies for controlling blast disease. Technical Abstract: Studying natural variation of rice resistance (R) genes in cultivated and wild rice relatives can predict resistance stability to rice blast fungus. In the present study, the protein coding regions of rice R gene Pi-d2 in 35 rice ...

OsSLI1, a Homeodomain Containing Transcription Activator, Involves Abscisic Acid Related Stress Response in Rice Oryza sativa L.. . Biblioteca virtual para leer y descargar libros, documentos, trabajos y tesis universitarias en PDF. Material universiario, documentación y tareas realizadas por universitarios en nuestra biblioteca. Para descargar gratis y para leer online.

99 , 5634 - 5639 . 10.1016/j.biortech.2007.10.036 Muthukumar , A. , Sangeetha , G. & Naveenkumar , R. ( 2016 ): Antimicrobial activity of essential oils against seed borne fungi of rice ( Oryza sativa L.) . J. Environ. Biol. , 37 , 1429. ...

TY - JOUR. T1 - Uptake kinetics of arsenic species in rice (Oryza sativa L.) plants. AU - Abedin, M. J.. AU - Feldmann, Jorg. AU - Meharg, Andrew Alexander. PY - 2002. Y1 - 2002. N2 - Arsenic (As) finds its way into soils used for rice (Oryza sativa) cultivation through polluted irrigation water, and through historic contamination with As-based pesticides. As is known to be present as a number of chemical species in such soils, so we wished to investigate how these species were accumulated by rice. As species found in soil solution from a greenhouse experiment where rice was irrigated with arsenate contaminated water were arsenite, arsonate, dimethylarsinic acid, and monomethylarsonic acid. The short-term uptake kinetics for these four As species were determined in 7-d-old excised rice roots. High-affinity uptake (0-0.0532 mM) for arsenite and arsenate with eight rice varieties, covering two growing seasons, rice var, Boro (dry season) and rice var. Aman (wet season), showed that uptake of both ...

Get free icons of Rice in iOS, Material, Windows and other design styles for web, mobile, and graphic design projects. green and yellow plant illustration, Rice Oryza sativa Five Grains, paddy,Rice,Rice,Hedao,Rice free png size: 588x839px filesize: 194.53KB Durum Pasta Italian cuisine Wheat flour Dough, Beautiful golden wheat field, brown wheat field illustration free png size: 1440x810px filesize: 1.23MB DMCA Report Free Download 0 downloads. If you are using buckets, fill them with at least 6 inches (15 cm) of moist soil. rice plant illustration, Rice bran oil Japanese Cuisine Food, Rice transparent background PNG clipart size: 690x461px filesize: 376.46KB green grass under blue sky, Rice Oryza sativa, Rice transparent background PNG clipart size: 1024x768px filesize: 1000.18KB It is a very clean transparent background image and its resolution is 717x1024 , â ¦ rice plant illustration, Rice Paddy Field Advertising, Rice, template, leaf, plant Stem png wheat field, Paddy Field Rice ...

TY - JOUR. T1 - Global genomic diversity of Oryza sativa varieties revealed by comparative physical mapping. AU - Wang, Xiaoming. AU - Kudrna, David A.. AU - Pan, Yonglong. AU - Wang, Hao. AU - Liu, Lin. AU - Lin, Haiyan. AU - Zhang, Jianwei. AU - Song, Xiang. AU - Goicoechea, Jose Luis. AU - Wing, Rod A.. AU - Zhang, Qifa. AU - Luo, Meizhong. PY - 2014/4. Y1 - 2014/4. N2 - Bacterial artificial chromosome (BAC) physical maps embedding a large number of BAC end sequences (BESs) were generated for Oryza sativa ssp. indica varieties Minghui 63 (MH63) and Zhenshan 97 (ZS97) and were compared with the genome sequences of O. sativa spp. japonica cv. Nipponbare and O. sativa ssp. indica cv. 93-11. The comparisons exhibited substantial diversities in terms of large structural variations and small substitutions and indels. Genome-wide BAC-sized and contig-sized structural variations were detected, and the shared variations were analyzed. In the expansion regions of the Nipponbare reference sequence, in ...

Rice production may have started in Brazil only a few hundred years ago, but today the country is the worlds 10th largest rice producer. In Latin America and the Caribbean, Brazil is the largest producer of rice. Nevertheless, Brazil is also a major rice importer. The State of Rio Grande do Sul is the main centre of rice production. There, rice farming is practiced under a sub-tropical climate on large and completely mechanized farms averaging 200 ha in size. In the nearby state of Santa Catarina, the average farm size is only 10 ha and the use of family manual labour is common. Rice is grown in all Brazilian states with tropical climates. Initially, japonica varieties were introduced, but after 1980 locally bred indica varieties of the IR8-type became dominant. In the early years of the opening of the Cerrado - or savannah - areas, upland rice was the pioneer crop and occupied most of the total rice area. The area planted with upland rice reached its peak (about 4.5 million ha) in 1988, then ...

BACKGROUND: The availability of thousands of complete rice genome sequences from diverse varieties and accessions has laid the foundation for in-depth exploration of the rice genome. One drawback to these collections is that most of these rice varieties have long life cycles, and/or low transformation efficiencies, which limits their usefulness as model organisms for functional genomics studies. In contrast, the rice variety Kitaake has a rapid life cycle (9 weeks seed to seed) and is easy to transform and propagate. For these reasons, Kitaake has emerged as a model for studies of diverse monocotyledonous species. RESULTS: Here, we report the de novo genome sequencing and analysis of Oryza sativa ssp. japonica variety KitaakeX, a Kitaake plant carrying the rice XA21 immune receptor. Our KitaakeX sequence assembly contains 377.6 Mb, consisting of 33 scaffolds (476 contigs) with a contig N50 of 1.4 Mb. Complementing the assembly are detailed gene annotations of 35,594 protein coding genes. We ...

The present invention relates to an insect resistant transgenic rice plant, plant cell, seed and progeny thereof comprising a polynucleotide sequence encoding a Cry1Ac protein specific to PE-7 event. The invention also provides a process for detecting the presence of PE-7 event in transgenic rice plant. The invention further provides a kit for identifying the transgenic plants comprising the PE-7 event.

Based on our comparison of black rice vs. brown rice, the answer might be clear to you… you cant go wrong with either. Each is a whole grain that has similar health benefits based on the research available. Although, you definitely want to eat other carb sources and not just rice every meal. Black rice and brown rice are similar in nutritional content. Although, black rice has about 20-30 more calories per the same serving which is insignificant. The bigger difference is more so in the fiber, carbs, and even some minerals. A quarter cup of uncooked brown rice has about 1-2g of fiber whereas the same amount of black rice contains about 4-5g. You dont have to eat black rice to get your fiber but if you eat little fiber otherwise, its good to have something with a little extra fiber to help you meet a healthy daily recommendation. Fiber is an important part of your diet as we previously discussed.. But as long as you get enough through your diet, you should be better off.. Black rice also has ...

Domain architecture and assignment details (superfamily, family, region, evalue) for LOC_Os08g25060.1|13108.m02571|protein from Oryza sativa ssp. japonica 5.0. Plus protein sequence and external database links.

Citation: Gealy, D.R., Agrama, H.A., Eizenga, G.C. 2009. Exploring genetic and spatial structure of U.S. weedy red rice (Oryza sativa) in relation to rice relatives worldwide. Weed Science. 57:627-643. DOI: 10.1614/WS-09-018.1. Interpretive Summary: Weedy red rice (Oryza sativa) damages rice production and quality in the U.S., and increasingly, throughout the world. Effective control of red rice is difficult because populations in the U.S. can be biologically diverse in different geographic regions, red rice is genetically and physiologically very similar to the rice (Oryza sativa) crop it infests, and it can intercross with crop rice. We aimed to use DNA markers (fingerprinting) to determine genetic differences between U.S. red rice red rice populations, U.S. rice varieties, and close relatives found throughout the world, and to determine whether the different genetic groupings could be structured to reveal the presence of potential ancestral and/or geographical relationships. Twenty-five of ...

Oryza sativa, commonly known as Asian rice, is the plant species most commonly referred to in English as rice. Oryza sativa is a grass with a genome consisting of 430Mb across 12 chromosomes. It is renowned for being easy to genetically modify, and is a model organism for cereal biology.

The launch of a high-yielding dwarf rice variety by the International Rice Research Institute (IRRI) on Nov 28, 1966 marked the beginning of Asia s struggle for freedom from hunger. Perhaps drawn by the promise of the miracle rice the IR8 rice variety -- the Food and Agriculture Organisation of the United Nations (FAO) dedicated 1966 as the International Rice Year. Thirty-eight years later, as the United Nations dedicates 2004 to the world s most important staple food once again, celebrating it as the International Year of Rice, the starchy grain has undergone a complete metamorphosis. In 1966, the miracle rice seeds that ushered in the green revolution belonged to the species Oryza sativa -- a mankind s heritage. Since the time the indica variety of wild rice was known to be growing in the northern and southern slopes of the Himalayas and that was some 15,000 years ago rice has been regarded as probably God s greatest gift to human society. Staple food for more than half the world s population, ...

GenEZ™ ORF cDNA clones makes it easy to order customized expression-ready ORF clones from the worlds largest commercial ORF clone database. You can Browse ORF cDNA clones by species Oryza sativa Japonica Group, letter c, page 1

A study to obtain information on genetic variability and inter-relationship of grain yield and associated characters under rainfed upland conditions was carried out using 44 diverse genotypes. The analysis of variance revealed the significant differences among the genotypes for all the traits indicating presence of sufficient variability among the genotypes for various traits. High estimate of genotypic and phenotypic coefficient of variation were observed for number of grains per panicle, grain yield per plant, straw yield per plant and harvest index indicated wider genetic variation for these traits.. High value of heritability coupled with high expected genetic advance as per cent of mean were observed for the characters number of grains per panicle, grain yield per plant, straw yield per plant, harvest index, 1000-grain weight, grain L/B ratio and amylose content indicated that selection may be effective for this character. The results of correlation studies indicated that genotypic ...

Drought is one of the major abiotic stresses that affect rice production in rainfed areas. Recent trends in climate change have predicted a further increase in drought intensity, making the development of new drought-tolerant rice cultivars critical to sustain rice production in this ecosystem. The use of grain yield as a selection criterion at the International Rice Research Institute (IRRI), through proper population development and precise phenotyping techniques, has allowed the development of several high-yielding rice cultivars that have been released in major rainfed rice-growing areas. This strategy has also allowed the identification of several major quantitative trait loci (QTLs) that show large effects under drought across environments and genetic backgrounds. These QTLs are being pyramided together to develop drought-tolerant versions of popular drought-susceptible varieties. The near-isogenic lines (NILs) developed can replace the popular, high-yielding but drought-susceptible varieties in

Investigating Partners of Rice Transcription Factors and their Target Genes During Rice Floret Development (3 month studentship) lead partner Indian Institute of ...

Rice (Oryza sativa) is critical for human nutrition worldwide. Due to a growing population, cultivars that produce high yields in high salinity soil are of major importance. Here we describe the discovery and molecular characterization of a novel sea water adapted rice strain, Sea Rice 86 (SR86). SR86 can produce nutritious grains when grown in high salinity soil. Compared to a salt resistant rice cultivar, Yanfen 47 (YF47), SR86 grows in environments with up to 3X the salt content, and produces grains with significantly higher nutrient content in 12 measured components, including 2.9X calcium and 20X dietary fiber. Whole genome sequencing demonstrated that SR86 is a relatively ancient indica subspecies, phylogenetically close to the divergence point of the major rice varietals. SR86 has 12 chromosomes with a total genome size of 373,130,791 bps, slightly smaller than other sequenced rice genomes. Via comparison with 3000 rice genomes, we identified 42,359 putative unique, high impact variants in SR86.

Rice is a cereal plant and staple food for most Indonesian people. One of the causes of the problem is decrease of wetland and lowland area which have impact on national level production. One of the efforts to increase rice production is selection to get desired trait. Regression and correlation analysis to determined the relationship among characters that can be used as a consideration for selection criterion. The purpose of this study is to know the relationships between morphological and agronomic characters in rice plant of F2 generation. This study was conducted at the Experimental Faculty of Agriculture, University of Brawijaya, Jatimulyo Village, Malang, between June and August 2018. Planting materials were population of F2 generation (SBCH, SBCB, TWCH dan TWCB). All of the populations planted in area 25 m x 3 m with spacing 60 cm x 60 cm. Based on the result, all of the populations showed that there was positif linear relationship between plant height and panicle length, number of ...

For those of us that live in countries where rice porridge or rice pudding is a common food, a have a good alternative to the expensive real japanese rice.. Here in Denmark, you will find that the cheapest rice is called grødris which translates to porridge rice. It is used for making rice pudding and is normally boiled in milk until it becomes mushy.. However if you study the product declaration you will actually see that the rice is japonica rice, though neither from Japan nor California, but often southern Europe. Surely, the quality is far from that of real Japanese rice, but the texture and stickiness is about the same if you follow the ratios of water and rice of Japanese rice, and you must remember to wash the rice very well (and much more than Japanese rice). The flavour is tolerable, but I cannot recommend it for use in sushi or other dishes where rice flavour is very important. It can however be used for omusubi if you use fillings and maybe some furikake. For curry and the like that ...

For those of us that live in countries where rice porridge or rice pudding is a common food, a have a good alternative to the expensive real japanese rice.. Here in Denmark, you will find that the cheapest rice is called grødris which translates to porridge rice. It is used for making rice pudding and is normally boiled in milk until it becomes mushy.. However if you study the product declaration you will actually see that the rice is japonica rice, though neither from Japan nor California, but often southern Europe. Surely, the quality is far from that of real Japanese rice, but the texture and stickiness is about the same if you follow the ratios of water and rice of Japanese rice, and you must remember to wash the rice very well (and much more than Japanese rice). The flavour is tolerable, but I cannot recommend it for use in sushi or other dishes where rice flavour is very important. It can however be used for omusubi if you use fillings and maybe some furikake. For curry and the like that ...

China is one of the original centres of rice cultivation. It is the worlds largest rice producer, and is the pioneer of hybrid rice. In the North China plains, the rice season is from May/June to August/September.. In the Yangtze River Valley, rice is planted from April to June and harvested from August to October. In south-eastern China, the early (March to July) and late (June to November) rice crops are bountiful. In most parts of Yunan, the rice season is generally long, from March to September. Indica rice (Hsien) is dominant in the south, while japonica rice (Keng) is widely planted in the north. Also, aromatic, glutinous and other special types of rice are widely planted. The commercial cultivation of hybrid rice has allowed about two million hectares of ricelands to be diversified to other uses, which helps increase farmers incomes. Rice production, post-harvest activities and the processing of rice into other products provide the main source of employment and income for at least 50 ...

Barnyard grass, such as Echinochloa crus-galli var. mitis, Echinochloa crus-galli var. zelayensis and Echinochloa colonum, are the main troublesome weeds in rice (Oryza sativa) paddies. This study aimed to investigate the rice yield (quality and quantity) when grown with these common barnyard grass varieties. A 2-year field experiment was conducted using two high-yielding rice cultivars, Liangyoupeijiu (an O. sativa indica hybrid cultivar) and Nanjing 9108 (an O. sativa japonica cultivar) at different develop-mental stages from transplant to maturity. Treatments included a weed-free (control), rice grown with Echinochloa. crus-galli var. mitis (Ecm), rice grown with E. crus-galli var. zelayensis (Ecz), and rice grown with E. colonum (Ec). The results showed that when barnyard grasses were grown with the same rice cultivar, the order of plant height of the three barnyard grass varieties was Ecz , Ecm , Ec, the growth duration was Ecm , Ecz , Ec and the dry matter accumulation of both Ecm and Ecz ...

  The current level of genome coverage provided by microsatellite markers in rice is sufficient for DNA fingerprinting, providing Information on diversity and population structure which is expected to assist plant breeders by providing a more rational basis for expanding the gene pool and for identifying material that harbours alleles of value for plant improvement. Allelic data from the species studied revealed that rice interspecific hybrids (NERICA) were more closely related to Oryza sativa than to Oryza glaberrimawhich was closely associated to Oryza barthii than to O sativa. Comparative polymorphism between species showed that O. sativa, Nerica, Oryza barthii and O. glaberrima produced 51, 45, 40 and 36 alleles with 1461, 238, 305 and 445 polymorphic bands respectively with 17 SSR markers. Alleles ranged from 2 to 4 in O. sativa and nerica; from 2 to 3 in O. glaberrima and 1 to 4 in O. barthii. The average

Description : Black rice is a range of rice types of the species Oryza sativa. Black rice is also known as Forbidden Rice in ancient China since only those belonging to the upper class could afford to eat it. There are several varieties of black rice available today. ForNature premium quality Black Rice (Forbidden rice ) is sourced from reliable sources in order to ensure the highest quality standard we fixed on our products. The whole grain rice also packs umpteen health benefits. Black rice or the forbidden rice (Chinese) is a rare and a very old variety of rice that has been growing in India for centuries. It is loaded with anti-oxidants especially anthocyanin which is great for diabetics, heart patients and helps brain activity. Its great for skin and hair due to its Vitamin e content. It is also loaded with fiber so it does not spike blood sugar levels. Its rich in iron, hence a good source for vegetarians.. ...

水稻是單子葉植物，有亞洲栽培稻Oryza sativa（Asian rice）和非洲栽培稻Oryza glaberrima（African rice）兩種。作為穀物，在大部分的世界人口中，尤其是亞洲，屬最重要的糧食作物之ㄧ。根據2009 年的數據，在全球生產糧食的產量中，稻米產量排世界第三大，僅次於玉米和小麥。本研究發現經食源性誘導之C57BL / 6 mice 呈現高血糖、高尿糖、體重上升等非胰島素依賴型糖尿病症狀；此外，二至八組小鼠皆有頻渴、多尿、貪食等症狀。抗氧化實驗中，DPPH 自由基清除的效力以TNG 78 水萃取物清除率最佳，紫米水萃取物次之。餐後血糖變化值實驗中，TNG 78 血糖上升幅度較小，下降幅度較快。糙米之水萃取物對α-葡萄糖苷酶具抑制作用，在100 mg/ mL 之濃度時，TK 9, TNG 76, Purple Rice 水萃取物皆具五成以上的抑制率，Purple Rice 水萃取物的抑制率甚至高達九成

  The response of rice crop to water application is of paramount importance to researchers as it helps in determining its agronomic development. The study was aimed at establishing the agronomic responses of rice crop to differential water supply. A two-year dry season experiment was conducted at the research farm of International Institute of Tropical Agriculture, IITA Ibadan, Nigeria. Two upland rice varieties (NERICA 2 and NERICA 4) were planted on a 5 × 5 m plot in a randomized complete block design with four treatments based on different water application. Agronomic parameters such as plant height, root depth, canopy shading, leaf area index, panicle and tiller configuration, biomass and grain yield in relation to crop water use were obtained and the results were subjected to statistical analysis. Maximum plant height (89.0 and 100.3 cm), maximum root depth (22.1 and 23.8 cm), panicle diameter (3.9 and 4.5 cm), panicle length (26.1 and 25.7 cm), leaf area index (LAI) 3.27 and 3.95

TY - JOUR. T1 - Comparison of QTL controlling seedling vigour under different temperature conditions using recombinant inbred lines in rice (Oryza sativa). AU - Zhang, Zhi Hong. AU - Qu, Xin Shun. AU - Wan, Shan. AU - Chen, Li Hua. AU - Zhu, Ying Guo. N1 - Funding Information: We thank Dr B.Y. Fu and Dr Z.K. Li of the International Rice Research Institute (IRRI) for providing the Lemont/ Teqing RIL population and the marker data. We also thank Professor S.B. Yu of Huazhong Agricultural University for his help in the construction of the genetic map. We are grateful to the undergraduate students A.L. Niu, X.L. Lu, H.B. Cui and Q.Y. Bi of the College of Life Sciences for helping to collect the phenotypic data. This work was supported by the State 973 Project (2001CB108806) of China.. PY - 2005. Y1 - 2005. N2 - • Background and Aims: Seedling vigour is one of the major determinants for stable stand establishment in rice (Oryza sativa), especially in a direct seeding cropping system. The ...

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The plasmid pE10 is a pBR322-derived plasmid carrying a 4.5 kb rice (Oryza sativa L.) repeated DNA sequence. The cloned sequence has been shown to be amplified in cultured rice cells. The analysis of practically intact chromosomal rice DNA molecules by pulsed field gel electrophoresis has now shown that the amplification is associated with the appearance of extrachromosomal molecules. In fact, pE10 hybridizes exclusively with unfractionated DNA from leaf protoplasts, while it recognizes predominantly an extrachromosomal DNA molecule (ECD) of about 45 kb and its multiples in the case of protoplasts from cultured cells. Insensitivity to the action of the exonuclease Bal31 suggests that the molecule is circular. Analysis of restriction endonuclease products with both standard horizontal and pulsed field gel electrophoresis suggest that the extrachromosomal DNA, and its chromosomal counterpart, is composed of tandemly repeated units of about 7 kb. Thus, the smaller extrachromosomal circle should ...

In the study, the researchers tested black rice bran grown in the Southern United States. Although brown rice is the most common rice variety produced worldwide, Xu said the study results suggest that black rice bran may be healthier than brown rice bran in terms of antioxidants. In Asia, black rice is most commonly used for food decoration, such as in noodles or sushi. One variety of black rice is known as Forbidden Rice because in Ancient China, it was only permitted to be eaten by nobles and no one else, according to background information in the news release.The study results were scheduled to be released Thursday at the national meeting of the American Chemical Society in Boston ...

RiceGE : Rice Functional Genomics Database. gebd Rice Genome Browser. iSect Tools, iView Tools and Gene Expression Atlas. Collection of Rice T-DNA/Ds, Rice cDNA, Marker, EST, MPSS, SAGE, Arabidopsis, Maize, Wheat, Barley Homology, Rice Tiling Array and Gene Expression Data. Created and developed by Huaming Chen

RiceGE : Rice Functional Genomics Database. gebd Rice Genome Browser. iSect Tools, iView Tools and Gene Expression Atlas. Collection of Rice T-DNA/Ds, Rice cDNA, Marker, EST, MPSS, SAGE, Arabidopsis, Maize, Wheat, Barley Homology, Rice Tiling Array and Gene Expression Data. Created and developed by Huaming Chen

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According to Dr Lamo, NARO released six upland rice varieties known as NamChe (Namulonge Mchele), which have since become a game-changer. We have some varieties that mature in just 90 days, and farmers prefer those during short rainy seasons, then they can plant other varieties that mature in four to five months during the long rainy season, he says.. Many upland rice varieties, earlier introduced in the country, were late maturing and did not have preferred cooking qualities. Later, more newly introduced lines were evaluated and released. These varieties had been generated through inter-specific crossing involving Oryza glaberrima and Oryza sativa. The new genotypes were called the New Rice for Africa (Nerica).. Nerica was actually a cross between locally adopted African rice with high yielding Asian rice varieties and was introduced on the African continent in 1996.. Nerica varieties were resistant to many diseases but still sensitive to drought stress and new diseases, especially brown ...

In this study, we analyzed DNA sequence polymorphisms in and around the genomic region of Pi-ta in 159 geographically diverse Oryza accessions composed of several Oryza species to gain insight into the origin and evolution of Pi-ta. We discovered that the extended genomic region (,5 Mb) surrounding resistant Pi-ta was consistently maintained in resistant accessions to M. oryzae containing AVR-Pita. Significantly, one of the largest linkage blocks of resistant Pi-ta was identified in backcrossing and elite rice cultivars (Jia 2009). The identification of a large linkage block around Pi-ta raised at least two possibilities. First, other blast R genes in the Pi-ta region also introgressed into diverse elite rice cultivars. Other R genes such as Pi-ta2, Pi39, and Pi20(t) (Rybka et al. 1997; Liu et al. 2007; Li et al. 2008) were also mapped at the Pi-ta region, but it was unknown if these and/or other unknown R genes were clustered in the Pi-ta region that have been introgressed as a large linkage ...

Genetic variation in the growth response to temperature is a basis for developing adaptation measures to global warming, but evaluation of cultivars for the temperature responses may depend on other environmental factors such as light. In this study, we tested the growth responses of 18 diverse rice cultivars to constant day/night temperature of 25, 28, 31 and 34 degrees C in artificially-lit growth chambers (ALC) in Wagga Wagga (7.8 MJ m(-2) d(-1)), and in naturally-lit chambers (NLC) in Yanco (25 and 28 degrees C and 13.4 MJ m(-2) d(-1); 31 and 34 degrees C and 11.5 MJ m(-2) d(-1)), both in NSW, Australia. There was a significant interaction between temperature and chamber type for total shoot and panicle biomass; total shoot biomass was largest at 31 degrees C in ALC, and at 25 and 28 degrees C in NLC. From the average of all temperatures, the total shoot biomass declined by 29.5% in plants grown in ALC compared with those grown in NLC. Importantly, cultivar performance in ALC was similar to ...

Rice (Oryza sativa) is the first grass species to be sequenced, and as of September 2002, there are four draft genome sequences available. All four drafts are available to the academic community, although two drafts have some limitations with respect to access and distribution. Although none of the four draft sequences is complete, they collectively provide our first view of the landscape and the content of a monocot genome.. The first rice genome sequence made accessible in large tracts was that of the O. sativa subsp japonica cv Nipponbare generated by the International Rice Genome Sequencing Project (IRGSP;Sasaki and Burr, 2000), an international consortium of public laboratories. Using a bacterial artificial chromosome (BAC)-by-BAC approach, the IRGSP has generated draft sequence of 3,083 BAC or P1 artificial chromosome (PAC) clones that is available through GenBank/DNA data bank of Japan (DDBJ)/EMBL (as of September 17, 2002). These 3,083 BAC/PAC clones represent 426 Mb of sequence, and ...