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    Effect of light intensity on the age dependence of nonphotochemical fluorescence quenching in wheat leaf [Text] / T. V. Nesterenko, V. N. Shikhov, A. A. Tikhomirov // Photosynthetica. - 2015. - Vol. 53, Is. 4. - P617-620, DOI 10.1007/s11099-015-0133-2. - Cited References:16. - The study was performed within the framework of subject No. 56.1.4., Section VI in accordance with State Program of RAS Fundamental Research for 2013-2020. . - ISSN 0300-3604. - ISSN 1573-9058
РУБ Plant Sciences
Рубрики:
CHLOROPHYLL FLUORESCENCE
   PHOTOSYNTHESIS

   LEAVES

   INDUCTION

   ENERGY

Кл.слова (ненормированные):
chlorophyll fluorescence induction -- leaf age -- photosystem II
Аннотация: The effects of actinic light (AL) intensity on the age dependence of nonphotochemical fluorescence quenching (q(N)) and effective quantum yield in PSII (I broken vertical bar(PSII)) were studied in continuously illuminated wheat leaves of the upper tier. Regular changes were revealed in both age dependence of q(N) at elevated AL intensities and light curves of q(N). These changes are related to alterations in strategies of redistribution and use of absorbed light energy by the photosynthetic apparatus at different stages of wheat leaf development. Unlike I broken vertical bar(PSII), q(N) as a parameter was more sensitive to the differences in the leaf age at a certain range of light intensities. At the same time, the stability of q(N) at moderate light intensities may serve as an indication of leaf maturity.

WOS,
Scopus
Держатели документа:
RAS, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Nesterenko, T. V.; Shikhov, V. N.; Tikhomirov, A. A.; RAS [56.1.4]

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