优质油菜糖氮代谢研究
文献类型: 中文期刊
作者: 赵合句;李培武;李光明;黄永菊;李英德
作者机构:
关键词: 优质油菜;糖高氮低;梭形过程;生理特征
期刊名称:中国农业科学
ISSN: 05781752
年卷期: 1994 年 27 卷 06 期
页码:
收录情况: 北大核心
摘要: 取优质(低芥酸、低硫甙)油菜和普通油菜(高芥酸、高硫甙)的早、中、晚熟及极晚熟(欧洲冬油菜)品种,从苗期至成熟期进行植株测定分析。发现优质油菜无论是不同熟性品种,或是植株不同部位,均表现“糖高氮低”的特点;且苗期糖氮含量的差异很小,越冬期、薹花期的差异很大,到成熟期差异又很小,呈“梭形过程”。糖高氮低是生长势弱的表现,测定其硝态氮、硝酸还原酶(NR)活力及光合作用速率等生理特征,均表现势弱。
分类号: S565.401
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