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Varietal Differences in Photosynthetic Rates in Rice Plants,with Special Reference to the Nitrogen Content of Leaves
Nitrogen content Photosynthetic rate Rice variety Rubisco content Stomatal conductance
2010/3/4
The photosynthetic rate in the flag leaf of rice at the full heading stage was examined in three japonica varieties, Koshihikari, Aikoku and Asanohikari, and the indica high-yielding variety Takanari ...
Varietal Differences of Juvenile Phase Duration and Photoperiodic Sensitivity in Paddy Rice
Cropping area Juvenile phase Paddy rice Photoperiodic sensitivity Varieties
2009/8/6
The juvenile phase and photoperiodic sensitivity of 13 Japanese paddy rice varieties were investigated. The duration of juvenile phase was determined by counting the days of insensitivity to a short-d...
Studies on the Texture of Cooked Rice:III. Varietal differences in the texture of cooked rice
Cultivar Cooked rice Eating quality Glutinous rice Nonglutinous rice Rice kernel Texture
2009/8/6
Ninety seven rice cultivars including nonglutious and glutinous rice both of japonica and indica subspecies were investigated to clarify the varietal influence on the textural parameters of cooked ri...
Tillering Behavior in Oryza sativa L:V. Analysis of varietal differences in tillering patterns
Growth Growth analysis Relative rate Synchronous growth Tiller Tiller number Tillering
2009/8/6
In our previous papers, we reported methods of growth analysis in relation to the tillering behavior of a rice plant. Using these methods, we analyzed tillering patterns of 6 rice cultivars, Akihikari...
Effects of Soil Temperatures on the Rooting of Cut-sprouts of Sweet Potato (Ipomoea batatas Lam.) : II. Varietal differences in the optimum soil temperature for rooting and the rooting ability under the low soil temperature
Cut-sprout Low temperature Optimum temperature Rooting Soil temperature
2009/8/6
The varietal differences in the optimum soil temperature for rooting and the rooting ability under the low soil temperature were investigated under the controlled environment (air temperature: 25/16°C...
Varietal Differences of Wet Endurance in Autumn Soybean Plants
Soybean Upland field converted from paddy Varietal differences Wet endurance Wet-injury
2009/8/6
The objective of this study was to examine the effects of excessive soil moisture on seed weight and yield components of autumn soybean cultivers and to find the varietal differences in their wet endu...
Varietal Differences in Geotropic Response of Primary Seminal Root in Japanese Wheat
Agar medium Geotropic responses Primary seminal root Triticum aestivum
2009/8/6
Growth angles of inclination of primary seminal roots for 133 Japanese wheat varieties were examined in an agar medium. Germinated seeds were set on a 0.2% agar medium and the initial emergence direct...
Developoment of Top System in Relation to Tuberous Root Formation in Sweet Potato:III. Branching characteristics and its varietal differences
Branch development Stem diameter Sweet potato Top system Tuberous root Varietal differences
2009/8/3
This study was conducted to present a quantitative analysis of the branching pattern of the sweet potato over growth time and its varietal differences of the two cultivars, Shiroyutaka and Minamiyutak...
Varietal Differences of Root Systems in Winter Wheat Seedlings
Root length Root system Spread of root system Triticum aestivum L Varietal differences Winter wheat
2009/7/30
Varietal differences in root system morphology in winter wheat (Triticum aestivum L.) were investigated using seed pack growth pouches in a greenhouse. Different genotypic cultivars, shorter B-288 D f...
Plant Type and Dry Matter Production in Peanut (Arachis hypogaea L.) Cultivars:I. Varietal differences in dry matter production
Dry matter production Growth analysis Optimum leaf area index Peanut Plant type Radiation interception
2009/7/30
Varietal differences in growth, dry matter production and solar radiation interception among 11 peanut cultivars were studied under field conditions for 2 years to elucidate the salient features augme...
Varietal Differences in Growth Response of Soybean to Soil Moisture Depletion
Drought tolerance Dry matter production Grain yield Pre-dawn leaf xylem water potential Root system
2009/7/29
Crop plants suffer water deficits when soil moisture is depleted significantly throughout the rhizosphere and even when only surface soil moisture decreases rapidly after they have been grown under h...
Varietal Differences in the Responses of Yield Components of Rice Plants to Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density in the Tohoku Region of Japan
Nitrogen-free basal dressing Rice cultivars Sparse planting density Weather conditions Yield components
2009/7/28
Grain yield of rice plants is composed of different yield components that vary with the genotype, environmental condition and cultivation practice. Experiments were conducted in 1999, 2000 and 2001 in...
Varietal Differences of Tillering Response to Shading and Nitrogen Levels in Rice Plant:Comparison between high tillering semidwarf indica and low tillering japonica
Dry matter partitioning Dry matter production Nitrogen level in solution Number of tillers Rice variety Shading Solution culture
2009/7/28
Using high tillering semidwarf indica, IR36, and panicle type and low-til1ering japonica, Koganenishiki (KN), varietal differences of tillering response to shading and nitrogen (N) levels were studied...
Varietal Differences in Tillering and Yield Responses of Rice Plants to Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density in the Tohoku Region of Japan
Nitrogen-free basal dressing Rice cultivars Sparse planting density Weather conditions Yield
2009/7/28
At present, the main challenge in rice production is to achieve a high and stable yield with low input. In this study, the growth of tillers and yield of 12 rice cultivars and lines in the practice of...
Plant Type and Dry Matter Production in Peanut (Arachis hypogaea L.) Cultivars:II. Varietal differences in radiation interception
Canopy structure Integrated solarimeter films Peanut Plant type Radiation interception
2009/7/28
Eight peanut cultivars of the Virginia types (Chibahandachi and Chiba 43), Spanish type (Kintoki), Valencia types (Valencia, Tarapoto and Hotakuchuryu) and the types derived by crossing Virginia with ...