Yıl: 2005 Cilt: 29 Sayı: 2 Sayfa Aralığı: 117 - 123 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars

Öz:
Tuzluluğun iki farklı arpa {Hordeum vulgare L.) çeşidinde (Kaya ve Scarlet) gelişim, kimyasal içerik, süperokside dismutase (SOD) ve peroksidase (P0X) aktiviteleri üzerine olan etkileri araştırıldı. Tuz stresi, fidelerin 10 günlük olduğu dönemde uygun miktarlarda NaCl karıştırılmış su verilmesiyle başlatıldı. Tuz uygulaması çeşitlerin gelişimlerini önemli ölçüde geriletti. Scarlet çeşidi Kaya çeşidine göre $Na^+$ ve $Cl^-$ elementlerinin köke girişini ve yapraklara taşınmasını daha iyi sınırlandırdı. Tuz stresi altında genel olarak Scarlet çeşidi Kaya'ya göre daha yüksek miktarlarda klorofil üretti. Çeşitlerin (P0X) aktiviteleri, 20 dS $m^{-1}$ tuz düzeyine kadar azaldı ve daha sonra arttı. POX aktivitesinin aksine, tuzluluk yaprakların SOD içeriğini arttırdı. Kontrole göre 10 dS $m^{-1}$ tuz düzeyinde SOD aktivitesi Kaya çeşidinde %5,31 ve Scarlet çeşidinde %16,34 artış gösterdi.
Anahtar Kelime: peroksidaz süperoksit dismutaz kimyasal bileşim Hordeum vulgare arpa tuzluluk protein tuz toleransı enzim aktivitesi klorofil büyüme

Konular: Biyoloji

Tuzluluğun iki maltlık arpa (Hordeum vulgare L.) çeşidinde gelişim kimyasal bileşim ve antioksidatif enzim aktivitesi üzerine etkisi

Öz:
The effects of salinity on the growth, chemical composition and superoxide dismutase (SOD) and peroxidase (POX) activities of 2 malting barley (Hordeum vulgare L.) cultivars (Kaya and Scarlet) were studied. In 10-day-old seedlings, salinity stress was initiated by applying an appropriate amount of NaCl to water, and it lasted for 30 days. Salinity decreased growth of the cultivars significantly. Scarlet restricted entry of $Na^+$ and $Cl^-$ into root and translocation to leaves more efficiently than did Kaya. As a whole Scarlet produced a higher amount total chlorophyll under salinity than did Kaya. POX activity of the cultivars decreased with salinity up to 20 dS $m^{-1}$ , and then increased. In contrast to POX, salinity increased the SOD activity of leaves. Compared to the control application, 5.31% and 16.34% increases were determined in SOD activity, in 10 dS $m^{-1}$ salinity, for Kaya and Scarlet,
Anahtar Kelime: salt tolerance enzyme activity chlorophyll growth peroxidase superoxide dismutase chemical composition Hordeum vulgare barley salinity protein

Konular: Biyoloji
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA DEMİRAL M, AYDIN M, YORULMAZ A (2005). Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. , 117 - 123.
Chicago DEMİRAL Mehmet Ali,AYDIN MEHMET,YORULMAZ ALPER Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. (2005): 117 - 123.
MLA DEMİRAL Mehmet Ali,AYDIN MEHMET,YORULMAZ ALPER Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. , 2005, ss.117 - 123.
AMA DEMİRAL M,AYDIN M,YORULMAZ A Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. . 2005; 117 - 123.
Vancouver DEMİRAL M,AYDIN M,YORULMAZ A Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. . 2005; 117 - 123.
IEEE DEMİRAL M,AYDIN M,YORULMAZ A "Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars." , ss.117 - 123, 2005.
ISNAD DEMİRAL, Mehmet Ali vd. "Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars". (2005), 117-123.
APA DEMİRAL M, AYDIN M, YORULMAZ A (2005). Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. Turkish Journal of Biology, 29(2), 117 - 123.
Chicago DEMİRAL Mehmet Ali,AYDIN MEHMET,YORULMAZ ALPER Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. Turkish Journal of Biology 29, no.2 (2005): 117 - 123.
MLA DEMİRAL Mehmet Ali,AYDIN MEHMET,YORULMAZ ALPER Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. Turkish Journal of Biology, vol.29, no.2, 2005, ss.117 - 123.
AMA DEMİRAL M,AYDIN M,YORULMAZ A Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. Turkish Journal of Biology. 2005; 29(2): 117 - 123.
Vancouver DEMİRAL M,AYDIN M,YORULMAZ A Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars. Turkish Journal of Biology. 2005; 29(2): 117 - 123.
IEEE DEMİRAL M,AYDIN M,YORULMAZ A "Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars." Turkish Journal of Biology, 29, ss.117 - 123, 2005.
ISNAD DEMİRAL, Mehmet Ali vd. "Effect of salinity on growth chemical composition and antioxidative enzyme activity of two malting barley (Hordeum vulgare L.) cultivars". Turkish Journal of Biology 29/2 (2005), 117-123.