张秋英, 李发东, 刘孟雨. 冬小麦叶片叶绿素含量及光合速率变化规律的研究[J]. 中国生态农业学报(中英文), 2005, 13(3): 95-98.
引用本文: 张秋英, 李发东, 刘孟雨. 冬小麦叶片叶绿素含量及光合速率变化规律的研究[J]. 中国生态农业学报(中英文), 2005, 13(3): 95-98.
ZHANG Qiu-Ying, LI Fa-Dong, LIU Meng-Yu. Changing laws of chlorophyll content and photosynthetic rate in winter wheat leaves[J]. Chinese Journal of Eco-Agriculture, 2005, 13(3): 95-98.
Citation: ZHANG Qiu-Ying, LI Fa-Dong, LIU Meng-Yu. Changing laws of chlorophyll content and photosynthetic rate in winter wheat leaves[J]. Chinese Journal of Eco-Agriculture, 2005, 13(3): 95-98.

冬小麦叶片叶绿素含量及光合速率变化规律的研究

Changing laws of chlorophyll content and photosynthetic rate in winter wheat leaves

  • 摘要: 试验研究不同水分条件下冬小麦叶片叶绿素含量及光合速率的变化结果表明,随水分胁迫的加剧冬小麦叶片叶绿素含量降低,且叶绿素b比叶绿素a含量下降速度快,不同水分条件下冬小麦叶片叶绿素含量及光合速率季节变化趋势基本一致,拔节~抽穗期迅速上升,灌浆期后迅速下降,且叶绿素含量与光合速率呈显著正相关。随水分胁迫的加重冬小麦产量和经济系数均有所降低。

     

    Abstract: The changes of chlorophyll content and photosynthetic rate in wheat leaves from different water treatments were studied.The results show that the chlorophyll content of winter wheat leaves has a decreasing tendency under water stress and chlorophyll b content declines obviously.The changing trends of chlorophyll content and photosynthetic rate under different water stresses and seasons aye identical basically.They increase from jointing stage to booting stage and decrease at milking stage,moreover the correlation between chlorophyll content and photosyn thetic rate is positive.Yield and economical coefficient of winter wheat decline with a strong water stress.

     

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