水稻氮素高效吸收利用机理研究进展

被引:37
作者
樊剑波
张亚丽
王东升
段英华
叶利庭
沈其荣
机构
[1] 南京农业大学资源与环境科学学院
基金
国家自然科学基金重大项目;
关键词
水稻; 氮; 利用效率; 吸收效率; 生理利用效率;
D O I
暂无
中图分类号
S511 [稻];
学科分类号
摘要
基于经济效益和环境保护的考虑,近年来水稻的氮素利用效率引起了大家的重视。不同基因型水稻对氮素利用效率存在明显差异。氮素利用效率可分为吸收和生理利用效率两部分,它们对氮素利用效率的贡献率受到水稻生育期和供氮水平两方面的影响。从水稻根系特征、库容量、齐穗后的碳与氮的转运、光合作用和增硝营养等与水稻氮素利用效率关系密切的生理生化机制进行了阐述,最后对该领域今后的重点研究方向进行了展望。
引用
收藏
页码:129 / 134
页数:6
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