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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 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 ...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants : XXIX. The mechanism of enhancement in cool tolerance by raising water temperature before the critical stage
Cool injury Cool tolerance Microspore Pollen Rice Sterility Water temperature
2009/8/6
Potted rice plants were grown in the phytotron with different water temperatures in a range from 18 to 25°C during the period from the spikelet differentiation stage to just before the young microspor...
Effects of Different Rhizosphere Sizes on the Growth, Distribution Patterns and Utilization of Nitrogen Fertilizers of Different Varieties of Rice Plants(Oryza Sativa L.)on the Same Hill
Inter-hills competition Oryza Sativa L Partition of Nitrogen
2009/8/6
In order to clarify the inter-hill competition at the maturing stage. Using the tracer 15N method. The growth characteristics of rice plants (Oryza Sativa L., cv. Suweon no. 258 and TKM-6) grown in po...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXX. Relation between fertilization and the number of engorged pollen grains among spikelets cooled at different pollen developmental stages
Anther Cool injury Cool temperature Microspore Pollen Rice Sterility
2009/8/6
Cooling treatments at different stages of pollen development lowered the percentage of fertilized spikelets through decreasing the number of engorged pollen grains per anther at anthesis. Cooling duri...
Difference of Photosynthetic Rates among the Leaves at the Equivalent Positions on the Main Stem and Its Tillers in Rice Plants
Main stem Paddy rice Photosynthetic rate Synchronously expanded leaf Tiller Varietal difference
2009/8/6
The photosynthetic rates of the leaves at the equivalent positions on the main stem and its tillers, that is, the photosynthetic rates among the synchronously expanded leaves on the main stem and till...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:II. Countermeasure to the damage by fertilizer application
C-N ratio Compost Cool-summer damage Early-season culture Light-intercepting characteristics
2009/8/6
The present study was conducted to develop the basal fertilizer application methods which mitigate the damage due to cool weather at booting stage by investigating the relationships between the change...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:I. Relationship between light-intercepting characteristics and sterility
Amount of fertilizer nitrogen Cool-summer damage Early-season culture Light-intercepting characteristics Overluxuriant growth Sunshine hours Temperature at the inside of leaf sheath Temperature in the space of rows
2009/8/6
The present study was conducted to make clear the cause of promotion the sterility due to cool temperature at the booting stage by too much nitrogen application with investigating the relationship amo...
Sterile Spikelets of Rice Plants Induced by Low Temperature in 1988:Difference in heading date among stems and spikelet locations on the panicle
Heading date Main stem Rice plants Spikelet locations on the panicle Sterility Susceptibility to low temperature
2009/8/6
A large number of sterile spikelets were induced by low-temperature at the booting stage of rice plants during the middle to the end of July in 1988. The authors investigated various aspects of occur...
Effect of High Water-Temperature on the Morphology of Crown Roots and Leaf in Rice Plants
Crown root Developmental stage High water-temperature Leaf blade Leaf sheath
2009/8/5
This study was undertaken to clarify the variation of the leaf sizes as well as the number and diameters of the crown roots in rice plant, that had been subjected to high water-temperature (35°C) at t...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : VII. Effect of ambient humidity on the growth and dry matter production at various temperatures
Dry matter production Photosynthetic rate Relative humidity Rice
2009/8/5
The effect of relative humidity (RH) on the growth and dry matter production of rice seedlings was investigated at the early vegetative stage. Plants were grown for 10 days under 60 or 90% RH at 12-hr...
Physiological Roles of Silicon in Photosynthesis and Dry Matter Production in Rice Plants:I. Effects of silicon and shading treatments
Dry matter production Leaf conductance Photosynthetic rate Rice Shade Silicon
2009/8/4
To investigate the combined effects of silicon application and light intensity on growth characteristics, dry matter production, photosynthetic rate, and transpiration rate, three cultivars (cv. Nippo...
Growth Regulating Action of Brassinolide on Plants:II. Effect of brassinolide on the translocation of assimilate in rice plants during the ripening stage
Autoradiography Brassinolide Rice (Oryza sativa L.) Translocation
2009/8/4
To determine the effect of brassinolide (BR, 2α, 3α, 22R, 23R-tetrahydroxy-24S-methyl-B-homo-7-oxa-5α-cholestan-6-one) on the translocation of assimilate during the ripening of rice plants (Oryza sati...
Relationship between Resistance to Water Transport and Exudation Rate and the Effect of the Resistance on the Midday Depression of Stomatal Aperture in Rice Plants
Active water uptake Exudation rate Midday closure of stomata Passive water uptake capacity
2009/8/4
There was considerable difference in the degree of the midday depression in the stomatal conductance, and the photosynthetic rate among rice plants grown under different conditions, and the degree of ...
Analysis of Developmental Phase of Stem in High Nodal-Position Tillers in Rice Plants
Developmental phase Elongated internode High nodal-position tillers Non-elongated internode
2009/8/4
One of the japonica paddy rice (Oryza sativa L. 'Sasanishiki') was used as a material. The panicles were cut off when all of their tillers had completed headings so that the new shoots (NS), namely, ...