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Response of Cucubita pepo Seedling Leaves to Low Light and Low Temperature
Author(s): AN Fu-quan, YU Long-feng, LI Fu-heng
Pages: 54-
56
Year: 2011
Issue:
8
Journal: Guizhou Agricultural Sciences
Keyword: 西葫芦; 叶片; 低温弱光; 响应;
Abstract: 为探索逆境条件下西葫芦幼苗叶片结构与功能的关系,为生产中培育壮苗促高产提供理论依据,笔者采用低温弱光(光照度4000lx,昼/夜温度15℃/8℃)胁迫研究西葫芦幼苗叶片光合特性及其结构变化.结果表明:低温弱光处理使西葫芦叶片上下表皮细胞密度、细胞直径、气孔密度以及气孔长均变小,叶片厚度变薄,栅栏组织厚度及叶片厚度减小,海绵组织也变得更为疏松,栅栏组织/海绵组织的比值减小,细胞间隙变大;且低温弱光处...
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