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Growth Response of Rice (Oryza sativa L.) to Drought:I. Varietal difference in growth rate, nitrogen uptake and tillering habit at vegetative stage
Drought resistance Growth analysis Nitrogen uptake Plant type Rice Tillering habit
2009/8/6
Varietal differences in growth response to drought were studied in order to determine major attributes composing drought resistance in the rice plant. Eight rice varieties of different hydrological b...
Varietal Difference in Nitrogen Response of Rice Plants with Special Reference to Growth Duration
Growth duration Nitrogen response Rice variety
2009/8/6
Potential sink size was correlated with plant nitrogen (N) at late stage of spikelet initiation and flowering, and with growth duration (GD) in DS and WS. The amount of N in plant at critical growth ...
Studies on the Characteristics of the Thickening of Storage Root of Sweet Potato:III. Varietal difference in the thickening of storage root under the influence of nutrients supply
Nitrogen Potassiu Sweet potato Thickening of storage root Varietal difference
2009/8/6
The varietal differences in thickening of storage root was investigated under different supplies of nitrogen and potassium nutrients by gravel culture. Roots were divided into two different functional...
Varietal Difference in Palatability of Stored Rice
Amylographic characteristics Free fatty acid Palatability Rice of new crop Stored rice Varietal difference
2009/8/6
Changes in the eating quality of nine cultivars of rice, including Koshihikari, Nipponbare, and some recently developed varieties, after storage for about one year at room temperature were studied. T...
Varietal Difference in Leaf Senescence during Ripening Period of Advanced Indica Rice
Indica rice Leaf senescence Nitrogen Oryza sativa L.
2009/8/6
The study has been carried out to evaluate varietal difference in leaf senescence during the ripening period in relation to sink size and nitrogen application. Leaf senescence was early in the medium...
Growth Response of Rice (Oryza sativa L.) to Drought:II. Varietal difference in transpiration under water stress and its related plant characteristics
Drought tolerance Humidity Leaf-water content Rice Sugar content Transpiration Varietal
2009/8/5
Transpiration of a rice plant under a low water potential of rooting medium and low air-humidity conditions was studied in order to evaluate varietal difference in response to water stress. Water stre...
Varietal Difference of Physical Characteristics of the Culm Related to Lodging Resistance in Paddy Rice
Breaking strength Culm Leaf sheath Lodging resistance Paddy rice Varietal difference
2009/8/5
Varietal difference of lodging resistance in paddy rice was studied using nine Japanese cultivars and thirteen foreign cultivars (cv. Kamenoo : KA, Aikoku : AK, Koshihikari : KO, Dobashi 1 : DO, Fujim...
Varietal Difference in Yield Response to Delayed Sowing Dates in Spring Wheat of Hokkaido
CGR Ear weight type German variety Growth duration Hokkaido variety Sowing date Spikelet initiation
2009/8/4
Three spring wheat varieties, old tall Haruhikari and modern semi-dwarf Haruyutaka bred in Hokkaido, and tall late Selpek bred in Germany, were sown at a 5cm equi-distant square pattern on 3 sowing da...
Varietal Difference on Morphological Change of Leaf Blade by Different Nutrient Concentration of Culture Solution in Rice Seedlings
Concentration of culture solution Leaf blade Leaf position Morphogenesis Rice Seedling stage
2009/8/4
To make clear the internal leaf morphology concerned with varietal difference in specific leaf area (SLA) response to concentration of culture solution at the seedling stage, varietal differences in ...
Varietal Difference in Morphology and Photosynthetically Active Radiation Distribution in Spring Wheat Canopy
Canopy structure Crop ideotype PAR penetration Sowing time Spring wheat variety
2009/8/4
It has been generally believed that the crop ideotype canopy has an erect small leaves to allow the photosynthetically active radiation (PAR) to penetrate deeply. In wheat, this might be not always ap...
Changes in Physical and Chemical Characteristics of Culm Associated with Lodging Resistance in Paddy Rice under Different Growth Conditions and Varietal Difference of Their Changes
Bending stress Cell wall component Growth condition Lignin Lodging resistance Paddy rice
2009/8/4
The present investigation was undertaken to examine which physical and chemical characteristics of the culm associated with lodging resistance changed under different growth conditions using three var...
Studies on Varietal Difference in Yielding Ability in Rice : I. Varietal difference in yield structure
High yielding ability Paddy rice Specific gravity of unhulled rice Translocation Variety Yield capacity Yield structure
2009/8/4
In order to investigate the breeding objective on the improvement of rice yield, the yield structures were analyzed and compared among a hundred varieties. By using the mean specific gravity (S), all ...
Varietal Difference of the Cell Wall Components Affecting the Bending Stress of the Culm in Relation to the Lodging Resistance in Paddy Rice
Bending stress Cell wall component Lignin Lodging resistance Paddy rice Varietal difference
2009/8/4
We investigated which cell wall components of the culm affect the bending stress of the culm using seven rice cultivars. A small difference in the cell wall composition was noticed among the cultivars...
Varietal Difference and Temperature Response of Local Soil-Reduction around Germinating Rice Seed
Direct sowing Germination Rice Seedling emergence Soil reduction Varietal difference
2009/7/31
Local soil-reduction occurs around rice seed when it is sown into flooded soil, and the reduction inhibits seedling emergence. Seedling emergence is more inhibited when the reduced soil area is forme...
Varietal Difference in the Effects of Applied Gibberellic Acid (GA3) on the Number of Spikelets per Panicle in Rice Plants
GA3 Gibberellic acid application Internode diameter Number of spikelets per panicle Rice Varietal difference
2009/7/31
Eight rice varieties were grown in pots and the varietal difference in the effects of applied gibberellic acid (GA3) on the number of spikelets per panicle were examined. GA3 (5 ppm) was sprayed onto ...