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Photosynthetic performance and adaptation of sugarcane at suboptimal temperatures

Title data

Ebrahim, Mohsen K. H. ; Vogg, Gerd ; Osman, Mohamed N. E. H. ; Komor, Ewald:
Photosynthetic performance and adaptation of sugarcane at suboptimal temperatures.
In: Journal of Plant Physiology. Vol. 153 (1998) Issue 5-6 . - pp. 587-592.
ISSN 0176-1617
DOI: https://doi.org/10.1016/S0176-1617(98)80208-3

Abstract in another language

Cultivation of sugarcane is limited by moderate chilling temperatures of 15 degrees in subtropical areas of the world, whereas high temperatures seem to pose less problems. To obtain an overview of the physiological parameters affected, sugarcane plants were grown at 15, 27, and 45 degrees for up to 10 months and photosynthetic parameters of the leaves were determined, namely chlorophyll content, Hill reaction, chlorophyll fluorescence parameters concerning photosystem II and electron transport activity, and critical temperature of chloroplast membrane organization. In all cases plants grown at 27 degrees were superior to those grown at 15 or 45 degrees. The photosynthetic performance of plants grown at 45 degrees was superior to those grown at 15 degrees in all parameters, when the plants were young (3 months old). With age some adaptation to the unfavourable temperatures proceeded, indicated by a change of photosynthetic properties in the direction of plants grown at optimal temperature (27 degrees). The adaptation was especially strong for the plants grown at 15 degrees, so that after 9 months their performance was better than that of 45 degrees plants. The conclusions for breeding of more temperature adapted sugarcane plants are discussed.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER22438
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Physiology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 09 Oct 2015 05:56
Last Modified: 09 Oct 2015 05:56
URI: https://eref.uni-bayreuth.de/id/eprint/20304