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| Titel: |
Sodium Chloride-Induced Changes in Mineral Nutrients and Proline Accumulation in Indica Rice Cultivars Differing in Salt Tolerance |
| Auteur: |
Kumar, Vinay Shriram, Varsha Nikam, T. D. Jawali, Narendra Shitole, M. G. |
| Verschenen in: |
Journal of plant nutrition |
| Paginering: | Jaargang 31 (2008) nr. 11 pagina's 1999-2017 |
| Jaar: |
2008-11 |
| Inhoud: |
The effect of increasing sodium chloride (NaCl; 0 to 300 mM) stress was investigated on plant growth, mineral nutrients, and proline accumulation in two indica rice cultivars differing in salt tolerance. The shoots and roots of 'Karjat-3' (salt sensitive cv.) showed greater reduction in fresh weight, dry weight, and water content under increasing salinity stress when compared to 'Panvel-3' (salt tolerant cv.). The magnitude of chloride (Cl) accumulation with increasing salinity varied between cultivars, with lesser accumulation in 'Panvel-3', whereas, calcium (Ca) content was more in 'Panvel-3' than 'Karjat-3' at all salinity levels. Increase in shoot-sodium (Na) did not show notable variation between cultivars under salinity stress; however, Na accumulation was notably lower in roots of 'Panvel-3' than 'Karjat-3'. Under increasing salinity stress, 'Panvel-3' maintained significantly lower sodium/potassium, sodium/calcium and sodium/nitrogen ratios than 'Karjat-3', both in shoots and roots, with more differential response in roots. Regardless of treatment, proline concentration was considerably higher in 'Panvel-3' than in 'Karjat-3'. The salt tolerance of cv. 'Panvel-3' was positively correlated with better growth, higher proline accumulation and enhanced uptakes of beneficial minerals such as potassium (K) and Ca. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 12 van 13 gevonden artikelen
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