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Publication Type J
Authors Ivanova, T. I., O. A. Semikhatova and O. S. Yudina
Title On Dark Respiration in Halophytes
Source Russian Journal of Plant Physiology
Author Keywords Halophytes/ Respiration/ Salinity/ SALINITY
Abstract The respiration rates (RR, O2 uptake) were studied in halophytes over a long-term adaptation to soil salinity. The study of 16 halophytic species in situ showed that the interspecific RR range was similar to the RR magnitudes in other plant types. RR values in several halophytic species were low when expressed per plant fresh weight; however, they arrived at a normal level when calculated per dry weight minus salt content. By comparing sites with various soil salinity, the RR of all the species under study were shown to increase at higher salinity (2%). Similar results were obtained with a halophyte grown under controlled conditions at various salt contents in the substrate. This data, along with the earlier evidence that halophytes manifested the normal values of maintenance respiration coefficients, contradicts the current concept that a low RR is the main cause of growth depression in halophytes.
ISSN 1021-4437
ISBN 1021-4437
Year Published 1994
Volume 41
Issue 1
Beginning Page 37-41
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