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Effects of Exogenous Nitric Oxide on Germination and Physiological Properties of Basil under Salinity Stress | ||
| Journal of Medicinal plants and By-Products | ||
| مقاله 14، دوره 2، شماره 1، تیر 2013، صفحه 103-113 اصل مقاله (8.41 M) | ||
| شناسه دیجیتال (DOI): 10.22092/jmpb.2013.108497 | ||
| نویسندگان | ||
| Amir-Hossein Saeidnejad1؛ Amin Pasandi-Pour2؛ Neda Pakgohar3؛ Hasan Farahbakhsh* 4 | ||
| 1Department of Agronomy, Ferdowsi University of Mashhad, Mashhad, Iran | ||
| 2Department of Agronomy, Shahid Bahonar University of Kerman, Kerman, Iran | ||
| 3Faculty of Agriculture, Zabol University, Zabol, Iran | ||
| 4Horticulture Research Institute, Shahid Bahonar University of Kerman, Kerman, Iran | ||
| چکیده | ||
| Nitric oxide (NO) is a bioactive molecule, which was found to have several physiological roles, including antioxidant. To have a better understanding of the effects of NO concentrations (0, 0.1 and 0.2 mM) on germination, growth, photosynthetic pigments, lipid peroxidation and antioxidant activity of basil (Ocimum basilicum L.) under different salinity concentrations (0, 100 and 200 mM of NaCl), a factorial experiment based on completely randomized design was carried out. Results revealed that salinity caused a significant decrease in germination characteristics and growth of basil. Increasing salinity concentration led to significant increase in the activity of superoxide dismutase (SOD), catalase (CAT), Ascorbate peroxidase (APX), proline content, malondialdehyde (MDA) and electrolyte leakage while content of photosynthetic pigments and relative water content were reduced. Application of NO (0.1 and 0.2 mM) under salinity stress improved germination traits, increased dry weight, chlorophyll content, antioxidant activity and proline content, while MDA content and electrolyte leakage were decreased. These results suggest that NO might induce salt tolerance in basil by preventing oxidative damage. | ||
| کلیدواژه‌ها | ||
| Antioxidant activity؛ Basil؛ Nitric oxide؛ MDA؛ Salinity stress | ||
| مراجع | ||
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