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- Title
ANTIOXIDANT RESPONSES OF PEANUT (ARACHIS HYPOGAEA L.) SEEDLINGS TO PROLONGED SALT-INDUCED STRESS.
- Authors
Kavas, Musa; Ercan Akça, Oya; Celikkol Akçay, Ufuk; Peksel, Begüm; Eroğlu, Seçkin; Avni Öktem, Hüseyin; Yücel, Meral
- Abstract
In this study, the effects of long-term NaCl treatment were investigated in two cultivars of peanut designated as drought-resistant and drought-sensitive. Growth parameters, changes in the concentrations of MDA, H2O2 and proline, and the activities of antioxidant enzymes were determined under salinity stress. Growth parameters indicated the superiority of cv. Florispan to cv. Gazipaşa under milder salinity stress treatment. However, comparative analysis of the two cultivars showed that MDA, H2O2, ion leakage levels and photosystem II activities were not significantly different, except for the proline activity, which increased only in Florispan leaf tissues under 100 mM salt treatment. Among the processes that govern the tolerance in peanut tissues, proline level and the activity of glutathione reductase (GR) appeared to be only components that play an important part in salt stress protection.
- Subjects
PEANUT research; EFFECT of salts on plants; ANTIOXIDANTS; DROUGHT-tolerant plants; SALINITY
- Publication
Archives of Biological Sciences, 2015, Vol 67, Issue 4, p1303
- ISSN
0354-4664
- Publication type
Article
- DOI
10.2298/ABS150407107K