HUANG Wei,YANG Mou,LIU Yong-qiang.Effect of Plastic Film on Potato PSⅡ Fluorescence Characteristics and Distribution of Energy Absorption[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(04):39-41.
塑膜保水集热对马铃薯种苗PSⅡ荧光特性和吸收光能分配的影响
- Title:
- Effect of Plastic Film on Potato PSⅡ Fluorescence Characteristics and Distribution of Energy Absorption
- 文章编号:
- 1002-2767（2012）04-0039-03
- 分类号:
- S532
- 文献标志码:
- A
- 摘要:
- 为探讨寒旱区马铃薯高产高效栽培技术，以耐寒旱马铃薯品种陇薯3号和喜湿热品种LK99为材料，研究了塑膜小拱棚处理对马铃叶片叶绿素特性、PSⅡ荧光猝灭和吸收光能分配的影响。结果表明：塑膜处理后，两个马铃薯品种叶片叶绿素含量、叶绿素b/a、Fv/Fm、Fv/Fm、ΦPSⅡ、ETR、qP和Pc较对照有不同程度升高，qN和Hd降低，Ex变化不大；这种影响对喜湿热马铃薯LK99表现更突出。说明塑膜提供的高温高湿环境有利于两种生态型马铃薯试管苗移栽和光合效能的提高。
- Abstract:
- ：In order to probe into the cultivation techniques of high yield and high efficiency of potato in cold and arid reagions,with the materials of Longshu No.3 and LK99, the effect of plastic film on potato chlorophyll,PS Ⅱ fluorescence quenching and absorbed energy distribution was studied.The results showed that compared with the control, plastic film process caused potato leaf chlorophyll content,chlorophyll b/a,Fv/Fm,Fv/Fm,ΦPSⅡ,ETR,qP and Pc increased qN and Hd decrease,Ex scarcely unchanged.The effect had more prominent impact on LK99.It demonstrated that plastic film could provide a hotter and humid environment which conducive to LK99 and Longshu No.3 transplanting adaption and absorbed energy distribution.
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备注/Memo
基金项目：甘肃农业科技创新专项资助项目（GSSA201109）