WANG Qiu-jiao,LIAO Fei-yong.Effect of Water Stress on the Photosynthesis Fluorescence Parameters of Salin integra cv.‘Hakuro Nishki’[J].Northern Horticulture,2013,37(01):42-45.
水分胁迫对花叶柳光合荧光参数的影响
- Title:
- Effect of Water Stress on the Photosynthesis Fluorescence Parameters of Salin integra cv.‘Hakuro Nishki’
- 文章编号:
- 1001-0009（2013）01-0042-04
- 分类号:
- S 793.9
- 文献标志码:
- A
- 摘要:
- 以花叶柳苗木为试材，采用梯度水分胁迫花叶柳的方法，研究不同土壤水分含量对花叶柳光合荧光参数的影响。结果表明：水淹23 d后花叶柳生长正常，表现为叶绿素含量增加，Fo值变化不大，Fv′/Fm′、ETR、qP和光合速率增加，Fv/Fm变化不大；干旱胁迫和中度干旱胁迫严重抑制植株的生长，表现为叶绿素含量下降，Fo值上升，Fv′/Fm′、Fv/Fm、ETR、qP和光合速率下降。干旱处理13 d后植株死亡，中度干旱胁迫处理20 d后死亡。
- Abstract:
- Taking the seedings of Salin integra cv.‘Hakuro Nishki’ as test material，using the gradient of water stress method，the effect of the different soil water contents on the photosynthesis fluorescent parameters of Salin integra cv.‘Hakuro Nishki’ were studied.The results showed that flooding accelerated the growth of plants after treated for 23 days，which was embodied in the increasing of chlorophyll content，Fv′/Fm′，ETR，qP and net photosynthetic rate，while the change of Fv/Fm and Fo was not obvious.The drought stress and the moderate stress suppressed the growth of plants，which were embodied in the increasing of Fo，the decreasing of chlorophyll content，Fv/Fm，Fv′/Fm′，ETR，qP，photosynthetic rate，and the plants of the drought stress were dead after treated for 13 days,but the plants of the moderate stress were dead after treated for 20 days.
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备注/Memo
第一作者简介：王秋姣（1986-），女，湖南永洲人，在读硕士，研究方向为园林植物与植物造景。E-mail：786829161@qq.com.