Fluorescent indices of oak and wheat leaves in dependence on chlorophyll content

被引：3
|
作者：
Kalmatskaya, Olesya A. [1 ]
Karavaev, Vladimir A. [1 ]
Gunar, Lyudmila E. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Leninskie Gory 1 Bldg 2, Moscow 119991, Russia
[2] Russian Timiryazev State Agr Univ, Fac Technol, Timiryazevskaya St 49, Moscow 127550, Russia
来源：
SARATOV FALL MEETING 2015 THIRD INTERNATIONAL SYMPOSIUM ON OPTICS AND BIOPHOTONICS; AND SEVENTH FINNISH-RUSSIAN PHOTONICS AND LASER SYMPOSIUM (PALS) | 2016年 / 9917卷
关键词：
chlorophyll; fluorescence; fluorescence spectra; chlorophyll content; BEAN-LEAVES; LUMINESCENT CHARACTERISTICS; REYNOUTRIA-SACHALINENSIS; ELECTRON-TRANSPORT; INDUCTION; PHOTOSYNTHESIS; CHLOROPLASTS; EXTRACTS;
D O I：
10.1117/12.2229840
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Fluorescence spectra and fluorescence induction curves of the leaves of two plant species in dependence on chlorophyll content were studied. Red oak (Quercus rubra L.) leaves upon the autumn chlorophyll degradation, as well as wheat leaves (Triticum aestivum L.) at various stages of ontogenesis showed linear dependence between the ratio omega = F740 / F685 (the ratio of the maximum values of fluorescence at respective wavelengths) and chlorophyll content. In both cases, parameter F-v / F-m (the relative value of the variable fluorescence) remained almost unchanged up to significant reduction of chlorophyll content, indicating on maintaining the high photochemical activity of photosystem 2.
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收藏
页数：6
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