对CO2大气浓度(ck:360±30 μmol·mol-1)和CO2加富(T1:600±40 μmol·mol-1,T2:900±40 μmol·mol-1)条件下,丹尼斯凤梨(Guzmania 'Denise')叶片的显微和超微结构等进行了比较研究.在透射电镜下的观测结果表明:CO2加富可促进丹尼斯凤梨叶片叶肉厚度的增加,叶绿体与叶绿体中淀粉粒数量增多、体积增大,而叶绿体光合膜的结构却受到很大破坏.

标    签 丹尼斯凤梨 CO2加富 叶绿体超微结构
 

中图分类号 Q945.11
 
      

所属栏目 基础研究

基金项目 广东省自然科学基金重点项目(04105806);广东省科技计划项目(2006B20301006)

收稿日期 2006-5-30

修改稿日期 2006-9-30



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 CO2加富及大气恢复对吉利凤梨气体交换参数及生长发育的影响