The content of chlorophyll (chlorophyll a and chlorophyll b), photosynthesis rate, transpiration rate, intercellular CO2 concentrations, and stomatal conductance was all reduced under water stress at different development stages.

• 不同生育时期水分胁迫下使叶绿素含量、光合速率、蒸腾速率、细胞间隙CO2浓度、气孔导度都有不同程度降低。