Effects of nitrogen levels on the morphology of silica bodies from motor cells in rice (Oryza sativa L.)
文献类型: 外文期刊
第一作者: Wang, C
作者: Wang, C;Udatsu, T;Fujiwara, H
作者机构:
关键词: motor cell;nitrogen effect;rice;silica body
期刊名称:JAPANESE JOURNAL OF CROP SCIENCE ( 影响因子:0.138; )
ISSN: 0011-1848
年卷期: 1999 年 68 卷 1 期
页码:
收录情况: SCI
摘要: The purpose of this study was to discuss the practical usefulness of the discrimination of indica and japonica cultivar groups based on the morphology of silica bodies from motor cells in rice (Oryza sativa L.). The effects of nitrogen levels on the morphology of silica bodies from the flag leaf were investigated. Two indica varieties, "T-153" and "T-160" and a japonica variety, "T-708" were used and cultivated in pot scale (1/5000a). Nitrogen treatment was divided into three levels of 20 gm(-2) 10 gm(-2), and 5 gm(-2) and they were applied when the rice plants had 1.5-2.0 in remaining plant age in number of leaves (corresponding to 15 to 20 days before heading). The result showed little effect of nitrogen level on the morphology of silica bodies. No effect of nitrogen level was observed on the discrimination of indica and japonica cultivar groups based on the morphological characters of silica bodies, although the discriminating scores were slightly changed.
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