Ding, T. and Song, J. and Fan, H. and et al, . (2013) Selective Transport Capacity for K+ and Ca2+ over Na+ of Leaf Sheath is Correlated with Salt Tolerance of Energy Plant Sweet Sorghum. Advanced Materials Research, 772. pp. 207-214.
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Abstract
Two sweet sorghum varieties (salt tolerant Jitianza 2 and salt sensitive Lvneng 1) were used to investigate their adaptation to NaCl stress under different cultivation conditions of potted cultivation and field cultivation, and selective transport capacity for K+ over Na+, and Ca2+ over Na+ of leaf sheath. NaCl stress decreased Pn, Fv/Fm, fresh weight of leaf sheath and leaf blade, field yield in both varieties. NaCl stress induced Na+ accumulation while it decreased K+ and Ca2+ levels in leaf sheath and leaf blade of both varieties. The increase in Na+ of leaf blade and the decrease in K+ and Ca2+ of leaf blade were greater in Lvneng 1 than those in Jitianza 2. Furthermore, the Na+, K+ contents in leaf sheath of Jitianza 2 were significantly higher than those of Lvneng 1 under NaCl stress. The selective transport capacity for K+ over Na+, and Ca2+ over Na+ of leaf sheath in Jitianza 2 was significantly greater than that in Lvneng 1. Pn, Fv/Fm, stem stalk field, ear field, juice yield, stalk Brix, sugar content of Jitianza 2 were significantly higher than those of Lvneng 1, which was correlated with stronger selective transport capacity for K+ over Na+, Ca2+ over Na+ of Leaf Sheath of Jitianza 2.
| Item Type: | Article |
|---|---|
| Additional Information: | We are grateful for financial support from key projects in the national science & technology pillar program during the eleventh five-year plan period (2009BADA7B05) and Doctoral Program of Higher Specialized Research Fund (20123704130001). |
| Uncontrolled Keywords: | sweet sorghum [Sorghum bicolor (L.) Moench]; sugar content; Brix; salt tolerance; leaf sheath; selective transport capacity |
| Author Affiliation: | College of Life Science, Shandong Normal University, Jinan, Shandong 250014, PR China |
| Subjects: | Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Mr Siva Shankar |
| Date Deposited: | 22 Sep 2013 05:46 |
| Last Modified: | 22 Sep 2013 05:46 |
| Official URL: | http://dx.doi.org/10.4028/www.scientific.net/AMR.7... |
| URI: | http://eprints.icrisat.ac.in/id/eprint/11768 |
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