聚乙二醇对平邑甜茶叶片气孔器超微结构的影响

被引:6
作者
叶宝兴
束怀瑞
李德全
机构
[1] 山东农业大学,山东农业大学,山东农业大学泰安,泰安,泰安
关键词
聚乙二醇; 平邑甜茶(Malus hupehensis); 气孔器; 超微结构;
D O I
暂无
中图分类号
Q944.5 [植物解剖学];
学科分类号
071001 ;
摘要
采用透射电镜技术对聚乙二醇 (PEG)模拟干旱处理的平邑甜茶 (MalushupehensisRehd (pingyitiancha) )叶片气孔器超微结构进行了观察 ,并对叶片气孔器超微结构制片方法进行了改进。所观察结果如下 :1)PEG胁迫后保卫细胞中叶绿体数量增加 ,而叶绿体中淀粉粒数量呈下降趋势 ;2 )PEG胁迫降低保卫细胞中线粒体的数量及破坏线粒体的超微结构 ;3)PEG胁迫使平邑甜茶保卫细胞中的液泡变小以致不明显。
引用
收藏
页码:239 / 242
页数:4
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