Kuraklığın Ebegümeci (Malva sylvestris L.) Bitkisinin Su Durumu, Büyümesi ve Antioksidan Sistem Üzerine Etkisi
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Date
2024
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Duzce University
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info:eu-repo/semantics/openAccess
Abstract
Ebegümeci (Malva sylvestris L.), Malvaceae familyasına üye, çiçekleri mor çizgili pembe renkli, tıbbi aromatik bir bitki olup gıda ve sağlık alanlarında oldukça yaygın kullanılmaktadır. Bu çalışmanın amacı, kuraklık stresinin ebegümeci bitkisinin büyümesi, su içeriği ve antioksidan savunma sistemi enzimleri üzerine etkilerini incelemektir. Bu doğrultuda, 21 gün kuraklığa maruz bırakılan bitkinin yapraklarında nisbi büyüme, osmotik potansiyel, nisbi su içeriği, lipid peroksidasyonu, hidrojen peroksit içeriği ile süperoksit dismutaz (SOD), peroksidaz (POX), katalaz (CAT), askorbat peroksidaz (APX) ve glutatyon redüktaz (GR) antioksidan enzim aktiviteleri ölçülmüştür. Kuraklık stresi altındaki bitkilerle stres uygulaması olmayan bitkiler kıyaslandığında, büyüme oranı, nisbi su içeriği, osmotik potansiyel önemli ölçüde azalmıştır. Ayrıca, lipid peroksidasyonu ve hidrojen peroksit miktarları kuraklık uygulaması ile artmıştır. Bitkinin savunma sistemi kuraklık stresi altında uyarılmış ve SOD, POX, CAT, APX ve GR aktivitelerinde artış kaydedilmiştir. Bu çalışmada, kuraklık stresine maruz kalan ebgümecinde antioksidan savunma sisteminin etkinliği belirlenmiştir.
Mallow (Malva sylvestris L.) is a member of the Malvaceae family, a medicinal aromatic plant with pink flowers with purple stripes and is widely used in food and health fields. The aim of this study was to investigate the effects of drought stress on growth, water content and antioxidant defence system enzymes of mallow. Accordingly, relative Growth rate, osmotic potential, relative water content, lipid peroxidation, hydrogen peroxide content and antioxidant enzyme activities of superoxide dismutase (SOD), peroxidase (POX), catalase (CAT), ascorbate peroxidase (APX) and glutathione reductase (GR) were measured in the leaves of plants exposed to drought for 21 days. When plants under drought stress were compared with non-stressed plants, growth rate, relative water content and osmotic potential were significantly decreased. In addition, lipid peroxidation and hydrogen peroxide levels increased with drought stress. Plant defence system was stimulated under drought stress and SOD, POX, CAT, APX and GR activities were increased. In this study, the efficiency of antioxidant defence system in mallow exposed to drought stress was determined.
Mallow (Malva sylvestris L.) is a member of the Malvaceae family, a medicinal aromatic plant with pink flowers with purple stripes and is widely used in food and health fields. The aim of this study was to investigate the effects of drought stress on growth, water content and antioxidant defence system enzymes of mallow. Accordingly, relative Growth rate, osmotic potential, relative water content, lipid peroxidation, hydrogen peroxide content and antioxidant enzyme activities of superoxide dismutase (SOD), peroxidase (POX), catalase (CAT), ascorbate peroxidase (APX) and glutathione reductase (GR) were measured in the leaves of plants exposed to drought for 21 days. When plants under drought stress were compared with non-stressed plants, growth rate, relative water content and osmotic potential were significantly decreased. In addition, lipid peroxidation and hydrogen peroxide levels increased with drought stress. Plant defence system was stimulated under drought stress and SOD, POX, CAT, APX and GR activities were increased. In this study, the efficiency of antioxidant defence system in mallow exposed to drought stress was determined.
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Keywords
Antioksidan enzimler|Ebegümeci|Kuraklık stresi|Malva sylvestris|Antioxidant enzymes|Drought stress|Mallow|Malva sylvestris
Journal or Series
Düzce Üniversitesi Orman Fakültesi Ormancılık Dergisi
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Volume
20
Issue
2
