Effects of exogenous proline and glycinebetaine on the salt tolerance of rice cultivars |
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| Authors: | Muhammad Abdus Sobahan Nasima Akter Misao Ohno Eiji Okuma Yoshihiko Hirai Izumi C Mori Yoshimasa Nakamura Yoshiyuki Murata |
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| Institution: | Division of Bioscience, Graduate School of Natural Science and Technology, Okayama University. |
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| Abstract: | Salinity significantly increased trisodium-8-hydroxy-1,3,6-pyrenetrisulphonic acid (PTS) uptake and decreased the K(+)/Na(+) ratio in salt-sensitive rice (Nipponbare) but did not markedly in salt-tolerant rice (Pokkali). Proline and glycinebetaine (betaine) suppressed the increase in PTS uptake and the decrease in the K(+)/Na(+) ratio in Nipponbare, but did not affect PTS uptake or the K(+)/Na(+) ratio in Pokkali. |
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