遮阳对白花前胡叶片光合特性的影响
CSTR:
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

基金项目:

浙江省科技计划项目(2017C02040);温州市碳汇研究科技创新团队项目(C20150008);温州市园艺植物育种重点实验室项目(ZD202003)资助


Effect of Shading on Photosynthetic Characteristics of Peucedanum praerupterum Leaves
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    为规范白花前胡(Peucedanum praerupterum)种植和提高产量,对不同光强下白花前胡的光合特性进行了研究。结果表明,与遮阳40%和60%相比,对照(CK)和遮阳20%的白花前胡叶片具有更高的最大电子传递速率[分别为247.129和266.866 μmol/(m2·s)]和最大净光合速率[分别为25.621和28.167 μmol/(m2·s)],且最大净光合速率对应的饱和光强[分别为2 130.419和1 927.804 μmol/(m2·s)]也显著高于遮阳40%和60%处理。不同遮阳处理的白花前胡叶片的光能利用效率和水分利用效率有差异,但光化学猝灭系数和非光化学猝灭系数则无显著差异。这说明白花前胡为典型的阳生植物,光适应性较强,建议选择光强充足的开阔田地栽培白花前胡。

    Abstract:

    To regulate planting and increase yield of Peucedanum praerupterum, the photosynthetic and fluorescence characteristics were studied under different shading, such as full sunlight (CK) and shading 20%, 40%, 60%. The results showed that the maximum electron transfer rate was 247.129 and 266.866 μmol/(m2·s) under CK and shading 20%, with maximum net photosynthetic rate of 25.621 and 28.167 μmol/(m2·s), respectively, which were significantly higher than that of shading 40% and 60% (P<0.05). The saturated light intensity corresponded to the maximum net photosynthetic rate under CK and shading 20% were 2 130.419 and 1 927.804 μmol/(m2·s), respectively, which were significantly higher than those under shading 40% and 60%. The light energy use efficiency and water use efficiency of P. praerupterum leaves had differences among different shading treatments, while the photochemical quenching coefficient and non-photochemical quenching coefficient had no significant difference. Therefore, it was suggested that P. praerupterum was a typical heliophyte with strong adaptability, so that it was beneficial to choose the open field with sufficient light intensity for the cultivation of P. praerupterum.

    参考文献
    相似文献
    引证文献
引用本文

王盼,周钰鸿,徐攀,浦锦宝,梁卫青,俞叶飞,陈子林,康华靖.遮阳对白花前胡叶片光合特性的影响[J].热带亚热带植物学报,2021,29(5):530~538

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2020-12-07
  • 最后修改日期:2021-01-13
  • 录用日期:
  • 在线发布日期: 2021-09-23
  • 出版日期:
文章二维码