(Q101104982)

English

The Characteristics of Chlorophyll Fluorescence in Merremia boisiana

scholarly article in Journal of Tropical and Subtropical Botany, vol. 13 no. 5, 2005

Statements

The Characteristics of Chlorophyll Fluorescence in Merremia boisiana (English)
利用叶绿素荧光技术初步观测了金钟藤在不同作用光下的光合生理特征,并对其离体叶片在低温、高温及脱水胁迫下的光能利用状况作了比较.结果显示,随着作用光强的增加,叶片Fv'/Fm'、qP和ФPSⅡ呈下降趋势,qN和NPQ表现为上升.离体叶片在5℃处理6h后,其Fv′/Fm′、qP和ФPSⅡ高于25℃和45℃处理的,而NPQ在5℃和45℃处理6h后明显低于对照(25℃),qN则略有降低.离体叶片脱水胁迫I2 h后,仍有一定的光能转化能力,但脱水24 h和36… (Chinese)
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Merremia boisiana (Gagnep.) V. Ooststr. (Convolvulaceae) is an invasive plant that newly appeared in a forest plantation near Guangzhou. (English)
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