Changers of chlorophyll a fluorescence spectra in vivo induced by short-term exposure of leaves to different irradiances

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17310%2F01%3A00000026" target="_blank" >RIV/61988987:17310/01:00000026 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Changers of chlorophyll a fluorescence spectra in vivo induced by short-term exposure of leaves to different irradiances
Original language description
The resistance of photosynthetic apparatus of barley (Hordeum vulgare L.cv. Akcent) grown at low light (50 umol.m-2.s-1) to short term exposure (10 min) to different degree of excess irradiance was studied using the measurements of the 77L chlorophyll a(Chl a) fluorescence spectra and room temperature Chl a fluorescence quenching. The protective down-regulation of the light-harvesting of photosystem II (PS II) as well photosystem I (PSI) was saturated at 850 umol.m-2.s-1 and progressive PS II photodamage was induced at higher irradiances. After exposure of segments to excess irradiance (2410 umol.m-2.s-1) a pronounced maximum at 700 nm appeared in emission spectrum of 77K Chl a fluorescence.
Czech name
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Czech description
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Project
<a href="/en/project/LN00A141" target="_blank" >LN00A141: Mechanism, ecophysiology and biotechnology of photosynthesis</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2001
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Acta Facultatis Rerum Naturalium Universitatis Ostraviensis
ISBN
80-7042-810-4
ISSN
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e-ISSN
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Number of pages
13
Pages from-to
89
Publisher name
Ostravská univerzita v Ostravě
Place of publication
Ostrava
Event location
Ostrava
Event date
Jan 1, 2001
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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