唐依萍;张晓艳;刘士壮;萧蓓蕾;

• 1:华南农业大学园艺学院
• 2:仲恺农业工程学院
• 3:德州学院

摘要(Abstract)：

[目的]为了研究外源脯氨酸对Na Cl胁迫下番茄叶片光合特性的影响。[方法]以番茄"中蔬四号"为材料,测定其叶绿素含量和光合特性。[结果]叶绿素含量随着盐浓度的升高先增加后减少。一定浓度的外源脯氨酸可以延缓叶绿素含量下降的趋势。细胞间CO2浓度随着盐浓度的增加先下降后上升,净光合速率、气孔导度和蒸腾速率随盐浓度的增加而下降。[结论]外源脯氨酸可以提高盐胁迫番茄幼苗的细胞间CO2浓度、净光合速率、气孔导度和蒸腾速率。

关键词(KeyWords)： 番茄;脯氨酸;盐胁迫;光合特性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 唐依萍;张晓艳;刘士壮;萧蓓蕾;

Email:

DOI: 10.13989/j.cnki.0517-6611.2015.24.143

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