摘要
为了解两系亚种间杂交稻干物质生产特性,以810S63020为材料,以三系杂交稻威优198为对照,分析了氮肥不同水平和不同施用时期不同群体的干物质生产与分配特点以及干物质积累与冠层叶片的关系.结果表明:810S63020灌浆期间叶片过氧化氢酶活性强,总叶绿素含量高,故其单位叶面积净光合生产量大,生育后期表现较强的干物质积累优势.
This experiment,using large panicle rice cultivars 810S/63020 as the material and a three line hybrid rice,Weiyou 198 as the control,aimed at studying the dry matter production characters of the two line intersubspecific hybrid rice.Analyses were conducted on different populations dry matter production,dry matter distribution,relation between the accumulation of dry matter and upper three leaves when nitrogen was applied at differentlevels and at different rice growth stages.
出处
《湖南农业大学学报（自然科学版）》
CAS
CSCD
1999年第6期425-429,共5页
Journal of Hunan Agricultural University(Natural Sciences)
基金
国家"863"资助! (Z16 0 1 0 1)
关键词
水稻
干物质生产
氮肥
过氧化氢酶
paddy drymatter production nitrongenous fertilizer catalase
