Influence of Ca2+-deficiency on the ultrastructure and functional activity of chloroplasts of maize plants in condition of water stress

In this study the influence of Ca2+-deficiency and water stress (WS), applied along and in combination, on functional activity and ultrastructure of chloroplasts (CHLP) of maize plants was investigated. When Ca2+-deficient plants were subjected to WS the thylakoid system of their CHLP was more reduc...

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Published inPocvoznanie, agrohimi i ekologi Vol. 36; no. 4-6
Main Authors Dekov, I, Dimitrova, A. (Institut po Fiziologiya na Rasteniyata "Akad. "M. Popov" - B"lgarska Akademiya na Naukite, Sofia (Bulgaria))
Format Journal Article
LanguageBulgarian
Published 2001
Subjects
CALCIO
CALCIUM
CARENCE DU SOL
CHLOROPLASTE
CHLOROPLASTS
CLOROPLASTO
DEFICIENCIAS DEL SUELO
DROUGHT STRESS
ESTRES DE SEQUIA
FOTOSINTESIS
PHOTOSYNTHESE
PHOTOSYNTHESIS
PLASTE
PLASTIDIOS
PLASTIDS
SOIL DEFICIENCIES
STRESS DU A LA SECHERESSE
ULTRAESTRUCTURA
ULTRASTRUCTURE
ZEA MAYS
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Summary:In this study the influence of Ca2+-deficiency and water stress (WS), applied along and in combination, on functional activity and ultrastructure of chloroplasts (CHLP) of maize plants was investigated. When Ca2+-deficient plants were subjected to WS the thylakoid system of their CHLP was more reduced and dilatated, with appearance of electron-transparent spaces and great plastoglobuli. The CHLP envelope was disrupted. Plastid's pigments and photosynthetical activity decreased.
Bibliography:H50
P35
2002000273
ISSN:0861-9425