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Regulation of Ammonium Accumulation during Salt Stress in Rice (Oryza sativa L.) Seedlings
Glutamate dehydrogenase Glutamate synthase Glutamine synthetase 2-Oxoglutarate Protease Protein synthesis
2009/7/24
Metabolic processes related to ammonium release and assimilation were investigated in a salt-sensitive rice (Oryza sativa L.) cultivar Anapurna. Ammonium content of the 3rd leaves increased 3-4 times ...
Analysis of Plant Characteristics Determining Ear Weight Increase during the Ripening Process in Rice (Oryza sativa L.) : I. Plant characteristics determining the sink capacity of spikelets
Culm length Paddy rice Panicle number Percentage of productive tillers Sink capacity of spikelets Tiller number at maximum tillering stage
2009/7/24
The research was conducted to analyze the relationships between sink capacity expressed by hull weight per hill (SW) and culm length (CL) and weight of hulls per panicle (hW, ). hW and CL were adopted...
Analysis of Gravity-induced Growth Response of Shoot in Rice (Oryza sativa L.):Response of leaf pulvinus, lamina joint and torsion of leaf sheath
Gravity response Lamina joint Leaf pulvinus Leaf sheath Oryza sativa L
2009/7/24
Plants were grown in pots containing soil. Every tiller was cut off when it emerged and only the main shoots were allowed to grow Exp. 1. Plants in pots were artificially placed horizontally and the ...
Factors Responsible for Decreasing Sturdiness of the Lower Part in Lodging of Rice (Oryza sativa L.)
Lodging Pushing resistance Rice
2009/7/24
Here, we propose new improvement targets capable of decreasing loss of the sturdiness of the lower part in the rice plant (Oryza sativa L.), thereby improving lodging resistance. In nine rice cultivar...
Effect of CO2 Enrichment on the Translocation and Partitioning of Carbon at the Early Grain-filling Stage in Rice (Oryza sativa L.)
13C CO2 enrichment Grain-filling Partitioning Rice Sink Translocation
2009/7/24
Rice plants (Oryza sativa L.) were grown under normal (350 μL L-1 CO2) and CO2-enriched (660 μL L-1 CO2) conditions, and 13CO2 was supplied to the rice plants after heading to examine the translocatio...
Growth of Three Rice (Oryza sativa L.) Cultivars under Upland Conditions with Different Levels of Water Supply
Biomass production Deep rooting Nitrogen uptake Water-use efficiency
2009/7/24
The total water supply (irrigation plus rainfall) would determine biomass production. This study aimed to elucidate the effects of water supply and cultivar differences on the dry matter production o...
Identification of Casparian Bands in the Mesocotyl and Lower Internodes of Rice (Oryza sativa L.) Seedlings Using Fluorescence Microscopy
Casparian bands Endodermis Exodermis Internode Mesocotyl Rice (Oryza sativa L.) Seedling Vascular bundle
2009/7/24
The mesocotyl and lower internodes of seedlings are underground organs that play a possible role in water absorption and transport. The aim of this study is to reexamine and understand further the ana...
Effect of Planting Density on Grain Yield and Water Productivity of Rice (Oryza sativa L.) Grown in Flooded and Non-flooded Fields in Japan
Grain yield Non-flooded paddy field Planting density Rice Water productivity Water-use efficiency Yield components
2009/7/24
The effect of planting density on grain yield and water productivity was evaluated in rice (Oryza sativa L.) grown in non-flooded lowland fields in Japan in comparison with flooded fields. One rice cu...
Grain Protein Content of Interspecific Progenies Derived from the Cross of African Rice (Oryza glaberrima Steud.) and Asian Rice (Oryza sativa L.)
African rice Interspecific hybridization Oryza glaberrima Steud. Oryza sativa L. Protein content West Africa
2009/7/24
The protein contents of the grain of 50 interspecific progenies developed from the cross between WAB56-104, an Oryza sativa variety, and CG 14, an Oryza glaberrima line, were investigated. In contrast...
Mapping of QTLs Controlling Carbon Isotope Discrimination in the Photosynthetic System using Recombinant Inbred Lines Derived from a Cross between Two Different Rice (Oryza sativa L.) Cultivars
Carbon isotope discrimination (Δ) Photosynthesis Quantitative trait locus (QTL) Rice (Oryza sativa L.)
2009/7/24
Carbon isotope discrimination (Δ) occuring in the process of photosynthesis, shows variation among rice (Oryza sativa L.) cultivars. Elucidation of specific traits associated with the extent of this d...
Susceptibility to Coolness at the Young Microspore Stage under High Nitrogen Supply in Rice (Oryza Sativa L.). Proteome Analysis of Mature Anthers
Cool temperature High nitrogen Pollen germination Proteome analysis Sterility Two-dimensional polyacrylamide gel electrophoresis
2009/7/24
In vitro pollen germination experiment using agar plates showed that the growth under high nitrogen conditions enhanced the damage to pollen germination ability caused by the cooling at the young micr...
Silica Distribution on the Husk Epidermis at Different Parts of the Panicle in Rice (Oryza sativa L.) Determined by X-ray Microanalysis
Epidermis Husk Oryza sativa L. Panicle Silica X-ray microanalysis
2009/7/24
Silica Distribution on the Husk Epidermis at Different Parts of the Panicle in Rice (Oryza sativa L.) Determined by X-ray Microanalysis.
Relative Contribution of Hetero- and Auto-trophic Growth to Genotypic Variation of Seedling Vigor in Rice (Oryza sativa L.)
Autotrophic growth Genotypic variation Heterotrophic growth Oryza sativa L.,Relative growth rate Seed reserve Seedling vigor
2009/7/24
To elucidate the major physiological process to cause genotypic variation in the seedling vigor of rice, we analyzed the dry matter accumulation in the seedling for diverse cultivars distinguishing he...
Effects of the Combined Application of Ethephon and Gibberellin on Growth of Rice (Oryza sativa L.)Seedlings
Coleoptile Direct seeding Ethylene Gibberellin Mesocotyl Plant growth regulator Rice Seedling
2009/7/23
Improvement of early seedling growth, such as seedling emergence and vigor is one of the most important agronomic traits in direct seeding rice cultivation. The effects of two plant growth regulators ...
Varietal Differences in Stem Diameter and Rooting Number of Phytomers in Conjunction with Root System Development of Field-Grown Rice (Oryza sativa L.)
Deep root Oryza sativa Phytomer Plant architecture Root diameter Upland rice
2009/7/23
Varietal Differences in Stem Diameter and Rooting Number of Phytomers in Conjunction with Root System Development of Field-Grown Rice (Oryza sativa L.).