干旱胁迫对水稻叶表面蜡质积累的影响

被引:22
作者
陈红妙 [1 ]
谢振文 [2 ]
刘平 [1 ]
冯冰飞 [1 ]
陈哲 [1 ]
王美萍 [1 ]
周玲艳 [1 ]
机构
[1] 仲恺农业工程学院生命科学学院
[2] 仲恺农业工程学院农学院
基金
广东省科技计划;
关键词
水稻; 表面蜡质; 干旱胁迫;
D O I
暂无
中图分类号
S511 [稻];
学科分类号
090104 [作物信息科学与技术];
摘要
环境胁迫一直以来是影响植物生长和农作物产量的主要因素,而覆盖植物叶片表层的蜡质层在植物生长发育和适应外界环境方面起着关键作用。本试验以中花11、广盐2号和Z46这3个水稻品种进行干旱胁迫处理,通过扫描电镜观察叶片表面蜡质覆盖密度,以及测定叶片相对含水量、叶绿素浸提率以及失水率等生理指标,从而综合分析干旱胁迫对不同水稻品种叶片表面蜡质积累的影响。结果表明:干旱胁迫条件下,3个试验的水稻品种叶片相对含水量降低,叶表面蜡质覆盖量增加,叶绿素浸提率以及离体叶片失水率下降。
引用
收藏
页码:777 / 781
页数:5
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