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    何明, 翟明普, 曹帮华. 水分胁迫下增施氮、磷对刺槐无性系苗木光合特性的影响[J]. 北京林业大学学报, 2009, 31(6): 116-120.
    引用本文: 何明, 翟明普, 曹帮华. 水分胁迫下增施氮、磷对刺槐无性系苗木光合特性的影响[J]. 北京林业大学学报, 2009, 31(6): 116-120.
    HE Ming, ZHAI Ming-pu, CAO Bang-hua. Effects of increased nitrogen and phosphorus on photosynthetic characteristics of Robinia pseudoacacia clonal seedlings under water stress[J]. Journal of Beijing Forestry University, 2009, 31(6): 116-120.
    Citation: HE Ming, ZHAI Ming-pu, CAO Bang-hua. Effects of increased nitrogen and phosphorus on photosynthetic characteristics of Robinia pseudoacacia clonal seedlings under water stress[J]. Journal of Beijing Forestry University, 2009, 31(6): 116-120.

    水分胁迫下增施氮、磷对刺槐无性系苗木光合特性的影响

    Effects of increased nitrogen and phosphorus on photosynthetic characteristics of Robinia pseudoacacia clonal seedlings under water stress

    • 摘要: 通过对两个刺槐无性系苗木在光照培养箱内进行盆栽,采用正交试验设计的方法,研究不同水分胁迫水平下增施氮磷对两个刺槐无性系苗木光合特性的影响。对光合光响应曲线、最大净光合速率、光饱和点、光补偿点和叶绿素含量进行分析,结果表明:随干旱程度加深,干旱前期氮磷交互作用对刺槐叶片光饱和点和光补偿点影响显著,干旱后期差异不显著。比较两个刺槐无性系苗木的光合特性得出,L1(鲁刺一号)比W1(皖刺一号)更为耐旱。

       

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