Gas Exchange and Malate Accumulation in Haberlea Rhodopensis Grown Under Different Irradiances |
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Authors: | Y.K. Markovska |
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Affiliation: | (1) Faculty of Biology, Department of Plant Physiology, University of Sofia, 8 D. Tsankov Blvd, BG-1421 Sofia, Bulgaria E-mail |
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Abstract: | Diurnal patterns of CO2 exchange and fluctuations of tissue malic acid concentrations were investigated in the resurrection angiosperm Haberlea rhodopensis Friv. grown under irradiances of 30 or 300 μmol(photon) m-2 s-1 at transition from biosis to anabiosis and vice versa. Different degree of CAM-cycling were exhibited under well-watered conditions and extreme desiccation under both irradiances. The CAM-cycling was proved as efficient mechanism of saving water. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | anabiosis CAM-cycling Crassulacean acid metabolism resurrection plant |
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