1 条结果 关键词:光合作用 ×

Rapid determination of the damage to photosynthesis caused by salt and osmotic stresses using delayed fluorescence of chloroplasts.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2008 Zhang L, Xing D

叶绿体是对盐和渗透胁迫最敏感的系统之一。本研究基于叶绿体延迟荧光(DF)的定量测量,利用自制多通道生物传感器,研究了拟南芥幼苗在盐胁迫和渗透胁迫下光合作用的损伤。结果表明,随着NaCl或山梨醇浓度升高,DF强度与净光合速率(Pn)呈相似下降趋势。200 mM NaCl处理诱导DF强度和Pn先快速可逆下降,随后发生缓慢且不可逆的损失;...