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Analysis of Quantitative Trait Loci for Cold Tolerance at the Booting Stage of Rice
QTL interval mapping RFLP graphical genotype
2009/9/10
We analyzed the quantitative trait loci (QTLs) for cold tolerance at the booting stage of a cold-tolerant rice variety, Norin-PL8, which harbors cold tolerance genes derived from a cold-tolerant varie...
Eco-Physiological Characteristics Related with Lodging Tolerance of Rice in Direct Sowing Cultivation:II. Root growth characteristics of tolerant cultivars to root lodging
Direct sowing cultivation Dry matter partitioning Oryza sativa L Rice Root Root lodging
2009/7/30
The dry weight of each organ including root in topsoil, root density in each soil layer and root morphology of rice plant (Oryza sativa L.) were compared among USA cultivars, semi-dwarf (panicle weigh...
Studies on the Salt Tolerance in Korean Rice Cultivars : I. Mechanism of salt tolerance in dry matter production and leaf photosynthesis
Cultivar difference NaCl treatment Oryza sativa L Osmotic adjustment Photosynthesis
2009/7/29
Reduction of relative growth rate (RGR) due to the NaCl treatment was examined in the seedlings of six Korean rice cultivars which had been reported to be different in salt tolerance on the level of ...
Eco-physiological Characteristics Related with Lodging Tolerance of Rice in Direct Sowing Cultivation : III. Relationship between the characteristics of root distribution in the soil and lodging tolerance
Direct sowing cultivation Oryza sativa L Pushing resistance Rice Root distribution
2009/7/28
To elucidate the relationship between root distribution in each soil layer and root lodging tolerance, the effects of root prunning and the laying of porous membrane (non-woven fabric) between topsoil...
Studies on Direct Sowing Culture of Rice in Northern Kyushu : I. Evaluation of lodging tolerance
Direct sowing culture Lodging tolerance Northern Kyushu Pushing resistance Rice Transplanting culture
2009/7/24
This study was undertaken to find the evaluation method of lodging tolerance under direct sowing culture in flooded paddy field for the selecting of good eating quality rice cultivar well adapted to d...
Studies on Salt Tolerance in Korean Rice Cultivars : II. Effects of NaCl treatment on sodium and potassium ions concentration in leaf blade, leaf sheath and root of rice plants
Cultivar difference Oryza sativa L. Potassium concentration Rice Salt tolerance
2009/7/24
The mechanism of cultivar difference in salt tolerance was investigated with Korean rice cultivars, paying special attention to the relationship between sodium (Na) and potassium (K) ions in various ...
The Role of Seed Structure and Oxygen Responsiveness in Pre-Germination Flooding Tolerance of Soybean Cultivars
Aleurone layer Flooding tolerance Germination Low oxygen Seed structure Soybean Water absorption
2009/7/24
Flooding during germination often inhibits the germination and emergence of soybean [Glycine max (L.) Merr.], but little is known about the mechanisms involved in the tolerance of soybean cultivars to...
Varietal Difference in Snow Tolerance and Growth Characteristics of Broad Bean:Vicia faba L
Broad bean Floral differentiation Growth characteristic Snow injury Snow tolerance Spring type
2009/7/22
The relationship between snow tolerance and growth characteristics in early winter was investigated using 41 varieties of broad bean. Varietal differences in snow tolerance were detected after 36 and ...
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...
Effect of a Reduction in the Number of Days to Heading by Short-Day Treatment on Cool-Weather Tolerance at the Flowering Stage of Rice
Cool-weather tolerance Flowering stage Natural-day length Rice Short-day treatment
2009/7/10
The effect of short-day treatment on the cool-weather tolerance at the flowering stage was examined in 14 varieties of rice from the south of Tohoku district, Japan, and 3 varieties from Yunnan Provin...
Relationship Between Biomass of an Individual Hill and Root Lodging Tolerance in Direct Seeded Rice
Direct seeding Plant density Rice Root Root lodging
2009/7/10
The relationship between biomass of an individual hill and pushing resistance was investigated using lodging tolerant US. rice cultivar 'Lemont' and suscestible Japanese rice cultivar 'Nipponbare'. T...