biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 45:545-549, 2002 | DOI: 10.1023/A:1022373025148

Effect of Salt Stress on the Superoxide Dismutase Activity in Leaves of Citrus limonum in Different Rootstock-Scion Combinations

M.S. Almansa1, J.A. Hernandez2, A. Jimenez2, M.A. Botella1, F. Sevilla2
1 Department of Applied Biology, Plant Physiology Division, Universidad Miguel Hernández, Alicante, Spain
2 Department of Nutrition and Plant Physiology, CEBAS-CSIC, Murcia, Spain

The effect of salinity on leaf superoxide dismutase (SOD) activity of lemon trees of different rootstock-scion combinations was studied. In leaves from Citrus limonum cv.Verna scions on Citrus macrophylla and C. reticulata rootstocks, salinity treatment clearly caused a significant depression in both Fe-SOD and Mn-SOD activities and an increase in Cu,Zn-SOD activity. However, in leaves from Citrus limonum on Citrus aurantium rootstook, the reduction observed in the activity values of Fe-SODs and Mn-SODs was not statistically significant. Salt stress also produced a decrease in the content of soluble proteins and chlorophylls. However, this drop was greater in C. limonum leaves on C. macrophylla than for other combinations.

Keywords: chlorophyll; Citrus aurantium; Citrus limonum; Citrus macrophylla; Citrus reticulata; mineral elements; proteins
Subjects: antioxidants; chlorophyll, mineral elements, salt stress; chlorophyll, salt stress, SOD; Citrus aurantium; Citrus limonum; Citrus macrophylla; Citrus reticulata; mineral elements, chlorophyll, salt stress; proteins, salt stress; salt stress, citrus SOD, rootstock-scion combinations; superoxide dismutase, rootstock-scion combinations

Published: December 1, 2002  Show citation

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Almansa, M.S., Hernandez, J.A., Jimenez, A., Botella, M.A., & Sevilla, F. (2002). Effect of Salt Stress on the Superoxide Dismutase Activity in Leaves of Citrus limonum in Different Rootstock-Scion Combinations. Biologia plantarum, 45(4), 545-549. doi: 10.1023/A:1022373025148
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