期刊
ACTA PHYSIOLOGIAE PLANTARUM
卷 43, 期 8, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11738-021-03285-3
关键词
Chia; Salinity; Germination criteria; Carbohydrates; Proline; Antioxidant compounds
资金
- Mansoura University, Mansoura, Egypt
This study evaluated the early physiological and biochemical impacts of different concentrations of NaCl on chia sprouts after germination in stressful conditions for 7 days. The results showed that most germination parameters declined linearly with increasing NaCl concentrations, while stress tolerance attributes, total carbohydrate content, proline, lipid peroxidation, and antioxidant levels increased. Chia sprouts were found to be sensitive to salt stress concentrations above 10 mM NaCl.
This study was planned to evaluate some early physiological and biochemical impacts of different concentrations of NaCl on germination characters, salt tolerance attributes, total carbohydrate, essential plant nutrients, proline, lipid peroxidation, cell membrane integrity and the contents of some antioxidants of chia sprouts after setting seeds to germinate in the stressful media for 7 days. The mean values of the studied germination parameters declined linearly with increasing NaCl concentrations as compared with control. Stress tolerance attributes appeared to decrease significantly and progressively with increasing NaCl levels, except for 10 mM NaCl which induced comparable values with those of control. Furthermore, total carbohydrate content, proline, lipid peroxidation, membrane injury, ascorbic acid, phenolic compounds and total flavonoids increased significantly and linearly with the increase in NaCl levels. The mineral elements of the salinized chia sprouts were either increased (Ca and Zn) or decreased (K, P and Cu) with the increase in NaCl levels as compared with control values. This study, under the present set of experimental conditions, clearly indicated that chia sprouts were sensitive to salt stress at concentrations above 10 mM NaCl.
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