植物生态学报 ›› 2002, Vol. 26 ›› Issue (2): 140-148.

• 论文 • 上一篇    下一篇

匍匐茎草本金戴戴对盐分梯度的表型可塑性

于飞海,董鸣,张称意,张淑敏   

  • 发布日期:2002-02-10
  • 通讯作者: 于飞海

Phenotypic Plasticity in Response to Salinity Gradient in a Stoloniferous Herb Halerpestes ruthenica (in English)

YU Fei-Hai, DONG Ming, ZHANG Cheng-Yi and ZHANG Shu-Min   

  • Published:2002-02-10
  • Contact: YU Fei-Hai

摘要: 研究了匍匐茎型克隆草本金戴戴(Halerpestes ruthenica) 4种基株(基因型)对不同盐分处理(0,85.5, 171.0, 256.5和342.0 mM NaCl)的表型可塑性。随着盐分浓度的增加,实验植物与生长相关的性状指标 (如植株干重、总叶面积、分株数和总匍匐茎长度) 显著减小。植株干重、总叶面积和总匍匐茎长度具有显著的基株间差异。实验植物与形态相关的性状指标 (如平均叶柄长和根冠比) 对盐分梯度具有可塑性并具有显著的基株间差异;而其它形态指标 (如平均节间长、比节间长和比叶柄长)

Abstract: Genotypic variation and phenotypic plasticity of growth and morphology in a stoloniferous clonal herb Halerpestes ruthenica in response to a series of salinity treatments (i.e., 0, 85.5, 171.0, 256.5 and 342.0 mM NaCl) were investigated. As the degree o