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Food shortage is a major problem in sub-Saharan Africa as population increases. NERICA (New Rice for Africa), the high yielding rice cultivars with short growth cycle were developed to solve the food ...
Aroma and cooked kernel elongation are the most important quality traits of aromatic rice, which differentiate the highly valued aromatic rice from the other rice types. Previous studies on genetic an...
We evaluated the genotypic differences in growth, grain yield, and water productivity of six rice (Oryza sativa L.) cultivars from different agricultural ecotypes under four cultivation conditions: co...
Effects of NaCl on the growth, ion content, root cap structure and Casparian band development were examined in four rice (Oryza sativa L.) cultivars with different salt resistance (salt-sensitive indi...
The differencc in yield, dry matter production, and physiological and ecological characters were studied between Tainung 67, a high-yielding cultivar (long-culm and ear-weight type) in Taiwan, and Nip...
Computer image analysis of a side-view photograph of a plant was applied to compare the plant type between eight new and seven old Japanese rice cultivars grown in a paddy field. Photographs of t...
The effects of exogenously applied GA3 on rice seedling growth were analyzed by using 3 indica and 3 japonia varieties and the following results were obtained. (i) The increase of exogenously applied ...
An applicability of nitrogen-deep placement culture (NDPC) in warmer area suffered from poor number of spikelets and low sink-source ratio, and responsibilities of NDPC for not only japonica rice cult...
Two cultivars of rice (Oryza sativa L.) with different grain size were investigated to measure the free ABA contents during grain development. In both cultivars, the content and concentration of endog...
The aim of this study was to examine the effect of various NH4-nitrogen concentrations in culture solution on the seminal root elongation of the rice plant. Ten rice cultivars with differing adaptabil...
To characterize the root system of the Japonica-Indica hybrid rice cultivars (Milyang 23, Suweon 258), we compared the number and elongation direction of primary roots both per stem and shoot unit bas...
The development of rice root system has been studied in Japonica-Indica hybrid cultivars (J-IH), Milyang 23 and Suweon 264, and Japonica type cultivars (JT), Nipponbare and Koshihikari, grown in a pad...
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 ...
To clarify the factors responsible for the maintenance of a high rate of photosynthesis at the ripening stage in the high-yield rice cultivar Akenohoshi, as compared with that in a Japanese standard c...
In order to identify the key factors that arrest yield improvement in rice, we observed fifteen divergent cultivars in a field at Kyoto, Japan in 1995 and 2001 under various nitrogen (N) regimes. The ...

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