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Developing Isogenic Lines of Japanese Rice Cultivar ‘Koshihikari’ with Early and Late Heading
heading date marker-assisted selection pleiotropic effect quantitative trait locus
2011/2/24
Four quantitative trait loci (QTLs) for rice (Oryza sativa L.) heading date were previously detected by QTL analysis of progeny derived from crosses between a japonica cultivar, Koshihikari, and an in...
Cultivation of One Seed Sowing Method in Japanese Radish cv. Natsutukasa
Japanese radish Germination Single seed sowing cultivation
2010/12/3
Methods for optimizing Japanese radish cv. Natsutukasa cultivation using single seed sowing were assessed for individual plants by examining variations in seed size, seed sowing depth, type of teep se...
Genetic Studies of Two QTLs for Rice Stripe Resistance Identified in Japanese Upland Rice Line, Kanto 72
near-isogenic lines quantitative trait loci rice breeding
2010/10/25
Quantitative trait locus (QTL) analysis was performed to identify the chromosomal region controlling rice stripe virus (RSV) resistance in Japanese upland rice, Kanto 72. As a result, two QTLs were de...
Strategies for Controlling the Apple Snail Pomacea canaliculata (Lamarck) (Gastropoda: Ampullariidae) in Japanese Direct-Sown Paddy Fields
golden apple snail management rice direct seeding
2009/9/9
The apple snail Pomacea canaliculata becomes a much more serious pest in direct-sown rice fields than in transplanted fields. In south Japan, it represents an important constraint on the implementatio...
Quality of Japanese Wheat Grains:III. Relationship of flour and starch qualities to cultivar, producing prefecture, and grade
Amylose Cultivar (Domestic wheat) Domestic wheat Grade (Domestic wheat) Producing prefecture Wheat starch
2009/8/6
In order to study the relationship of flour and starch qualities to cultivar, producing prefecture, and grade, 46 domestic wheat samples of 17 cultivars and 8 imported wheat samples were tested. Domes...
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...
Michaelis-Menten Kinetics of Nitrate Uptake in Japanese Barley Cultivars
Barley Michaelis-Menten kinetics Nitrate uptake Seedling Temperature
2009/8/4
Nitrate uptake ability from low-concentration nitrate solution (below 1 mM) was evaluated based on Michaelis-Menten kinetics in 12 Japanese barley cultivars. Two kinetic parameters, Km and Vmax, were ...
Effect of Water Potential of Culture Medium on Geotropic Response of Primary Seminal Root in Japanese Wheat Cultivars
Geotropic response Primary seminal root Triticum aestivum Water potential
2009/8/4
It has been observed that wheat has a shallow root system in wet soil and a deep root system in dry soil. However, the control mechanisms of root growth depending on soil water status remain unclear. ...
Analysis of the Factors of High Yielding Ability for a Japonica Type Rice Line, 9004, Bred in China : I. Comparison of yielding ability with a Japanese rice variety under the same level of spikelets number per area
Grain-straw ratio High yielding ability Nitrogen topdressing Phosphoric acid topdressing
2009/7/29
9004 (L9), which is a high yielding japonica type glutinous rice line developed in Jiangsu province, China, was cultivated under different combinations of nitrogen (N) application with or without pho...
Structural Changes and Fate of Crystalloplastids during Growth of Calcium Oxalate Crystal Idioblasts in Japanese Yam (Dioscorea japonica Thunb.) Tubers
Calcium oxalate Crystal idioblast Crystalloplastid Electron microscopy Raphide Tuber Yam Yamanoimo
2009/7/29
The structural changes of crystalloplastids during calcium oxalate crystal idioblasts growth in Japanese yam tubers were examined by transmission electron microscopy. Idioblasts developed in the corte...
Genetic Diversity among Japanese Cultivated Sorghum Assessed with Simple Sequence Repeats Markers
Genetic diversity Sorghum SSR
2009/7/28
The objectives of this study were to determine the genetic diversity of Japanese cultivated sorghum (sorghum lines cultivated in Japan), using the simple sequence repeats (SSR) technology and to deter...
Variation in Seed Shape and Husk Color in Japanese Native Cultivars of Common Buckwheat (Fagopyrum esculentum Moench)
Buckwheat Fagopyrum esculentum Genetic resources Husk color Seed shape Variation
2009/7/24
The variation in seed shape and husk color was investigated in 56 Japanese native cultivars of common buckwheat. Analysis of variance revealed highly significant differences among the cultivars in see...
Genotypic Variation of the Ability of Root to Penetrate Hard Soil Layers among Japanese Wheat Cultivars
Breeding materials Genetic variation Hard soil Penetrating ability of root Screening Soil compaction Triticum aestivum L. Wheat
2009/7/23
The hard soil in the field is a major constraint for the cereal production because it mechanically restricts the root expansion and water absorption. The ability of root to penetrate into the hard soi...
Physicochemical Properties of Japanese Native Red-Kerneled Non-glutinous Rice Cultivars of the Japonica Type
Amylographic characteristics Amylose Japonica type Protein Red-kerneled rice Texture
2009/7/23
To elucidate the physicochemical properties of Japanese native red-kerneled non-glutinous rice of the Japonica type cultivated without fertilizer application, a comparative study with 30 cultivars was...
Cadmium Concentration in Grains of Japanese Wheat Cultivars:Genotypic Difference and Relationship with Agronomic Characteristics
Cadmium Genotypic variation Grain Heavy metal Soil contamination Triticum aestivum Wheat
2009/7/23
The contamination of cadmium (Cd) into the food chain can be harmful because Cd causes chronic health problems. To evaluate the breeding potential reducing the Cd concentration in wheat grain, we comp...