Phenomenon of Temperature-Dependent Chlorophyll Deficiency in Festuca pratensis

Phenomenon of Temperature-Dependent Chlorophyll Deficiency in Festuca pratensis The composition and amount of pigments were studied in temperature-dependent chlorophyll-deficient seedlings of wild type (control) and several mutant lines of Festuca pratensis Huds. at room (25°C) and high (35°C) temperatures. In seedlings of all mutant lines grown at 25°C, chlorophyll b content was lower and the concentration of carotenoids was higher than in control seedlings. At 35°C, the concentration of all pigments decreased in a row from dark-green to xantha phenotypes, and this trend was retained when the temperature was lowered to 25°C. The phenotype xantha completely lacked violaxanthin and neoxanthin. The observed effects are related to the protective dissipative function of the xanthophyll cycle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Phenomenon of Temperature-Dependent Chlorophyll Deficiency in Festuca pratensis

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1014874111936
Publisher site
See Article on Publisher Site

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