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Effects of Silicate Application on Lodging, Yield and Palatability of Rice Grown by Direct Sowing Culture
Amylographic characteristics Direct sowing culture Eating quality Lodging Protein content
2009/7/16
The effects of silicon application on lodging, yield and palatability of rice grown in a low-SiO2 field by direct sowing culture were studied. The silicon application increased lodging resistance thro...
Effects of Drainage after Submerged Direct-Seeding on the Effectiveness of Fertilized Nitrogen and the Growth and Yield of Rice Plants
Drainage Growth Nitrogen fertilizer Nitrogen uptake Rice Seedling emergence Submerged direct-seeding
2009/7/16
Drainage after seeding has recently been practiced in general for the improvement of seedling emergence in submerged direct-seeding rice(Oryza sativa L.)cultivation. We examined the relationship betw...
Effect of Leaf Rolling on Transpiration and Water Use Efficiency in Rice
Evaporative demand Leaf rolling Photosynthesis Rice Stomatal conductance Transpiration
2009/7/15
The aim of this study is to estimate the effects of leaf rolling on the transpiration, photosynthesis, dry matter production and water use efficiency(WUE), of four rice cultivars that differ in the de...
Effects of High Air Temperature on Ripening in Rice Plants : Analysis of ripening performance under climate conditions by changing in cropping seasons and/or transferring pots from lowland to upland
Cropping season Grain position Grain quality Grain weight High temperature Rice
2009/7/15
The effects of high temperature in August in Fukuyama city, Japan, on the grain weight and the grain quality of rice plants were examined. Air temperature was manipulated by 1) changes in cropping sea...
Effects of High Air Temperature on Ripening in Rice Plants:Analysis of ripening performance in growth chamber experiments
Grain position Grain quality Grain weight Growth chamber High temperature
2009/7/15
The effects of high temperature(32°C/23°C max/min;27.5°C, daily mean temperature), which is common in August in Fukuyama city, Japan, on the grain weight and the grain quality of rice plants were exam...
Studies on the Varietal Difference of Harvest Index in Rice:Relationship between harvest index and morphological characteristics and leaf color
Harvest index High-yielding ability Leaf color Morpholgical characteristics
2009/7/15
To find useful indexes for the selection of new rice varieties having a high harvest index, the correlation of harvest index (HI) with morphological characteristics and leaf color was examined using 6...
Studies on the Varietal Difference of Harvest Index in Rice : Relationship between harvest index and dry matter production
Dry matter production Harvest index Harvest index component High-yielding ablilty
2009/7/15
Varietal differences harvest index (HI) and yield (Y) were examined using 60 Japanese varieties (J group) and 20 high-yielding varieties bred in Asian countries (H group). HI varied from 36.8% to 53.4...
A New Morphogenetic Model on the Most Suitable Leaf-Internode Unit and Developmental Stage for Controlling Plant Types in Rice Cultivation
Controlling plant type Internode elongation Leaf elongation Lodging Nitrogen absorption
2009/7/15
In any theory on rice cultivation, methods for controlling the plant type form the core. An analysis identified the most suitable leaf-internode unit for targeting to control the plan type and the app...
Effect of Fluorine Added to the Culture Solution at Various Concentrations on the Growth of Rice Plants
Chlorophyll content Fluorine Growth Photosynthetic rate Rice plant
2009/7/15
The effect of fluorine (HF) added to the culture solution at 0, 5, 10, 15, 20, 30 and 50 ppm on the growth of Oryza sativa L. cv. Koshihikari was investigated. The increase in the leaf number on the m...
Effect of Dark Respiration on Dry Matter Production of Field-Grown Rice Cultivars:Comparison of growth efficiency between Nipponbare and Takanari-
Dark respiration rate Dry matter production Growth efficiency High-yielding cultivar Nitrogen fetrilization
2009/7/15
The dry matter production, dark respiration rate and growth efficiency of high-yielding rice cultivar 'Takanari', grown under two levels of nitrogen fertilization (11, 17 gN / m2), were compared with ...
Effect of Early-Stage Shading of Direct Seeded Rice on Growth and Yield Components
Diameter of culm Late seeding Percentage of ripened grains Rice plant Shading
2009/7/15
The tillering ability and yield of sod-seeded rice are affected by the shading by manure crops during the intial stage. In this study, the effects of shading during the early stage of growth on the gr...
Selection Effectiveness of Lodging Tolerance by using Pushing Resistance for Improving Rice Cultivar adapted to Direct Sowing Culture in Flooded Paddy Fields
Breeding Direct sowing culture Lodging tolerance Pushing resistance Rice Selection effectiveness
2009/7/15
This study was undertaken to find the selection effectiveness of lodging tolerance by using pushing resistance for improving rice cultivar adapted to direct sowing culture in flooded paddy fields. Th...
Comparison of Productivity and Growth Habit between Stored and Newly Harvested Rice Seeds, and Identification of the Cultivars of Stored Rice Seed by RAPD Method
Growth habit Identification Productivity RAPD Rice Stored seed
2009/7/15
The growth habits and paroductivity of stored (5°C, 40% relative humidity) rice seeds with a 90% or higher germination percentage were examined in comparison with those of newly harvested seeds (new s...
Investigation of Physiological and Ecological Characteristics of Pdday Rice Plants Cultured Early in Chiba Prefecture, and Application of Results to Establishment of Cultivation methods and the Development of New Varieties
Physiological and Ecological Characteristics Pdday Rice Plants
2009/7/15
Investigation of Physiological and Ecological Characteristics of Pdday Rice Plants Cultured Early in Chiba Prefecture, and Application of Results to Establishment of Cultivation methods and the Develo...
Varietal Differences in the Growth and Dry-Matter Production during Vegetative Growth in Rice under Upland Cultivation Conditions with Water Stress : A comparison of Japonica, Indica and Japonica-Indica hybrid cultivars(Crop Physiology and Cell Biology)
Drought resistance Dry matter production Growth Japonica-Indica hybrid Oryza sativa L.
2009/7/15
Since rice is highly susceptible crops to water stress, it is important to improve drought resistance to increase and stabilize the rice yield under upland cultivation conditions. This study was condu...