Influence of Ca2+-deficiency on the ultrastructure and functional activity of chloroplasts of maize plants in condition of water stress
2001
Dekov, I. | Dimitrova, A. (Institut po Fiziologiya na Rasteniyata "Akad. "M. Popov" - B"lgarska Akademiya na Naukite, Sofia (Bulgaria))
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.
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