Characterization of the Na^+ Delivery from Roots to Shoots in Rice under Saline Stress : Excessive Salt Enhances Apoplastic Transport in Rice Plants
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概要
- 論文の詳細を見る
Sodium transport to the shoots of rice (Oryza sativa L.) plants grown under salt stress conditions was characterized. The rate of Na^+ transport to shoots increased exponentially depending on the increase in the NaCl concentration of the rooting solution, however, the rates were independent of the plant transpiration. Excessive NaCl in the rooting solution was found to enhance apoplastic transport in rice plants by using the apoplastic dye, 3-hy-droxy-5,8,10-pyrene trisulfonic acid (PTS) and Fluostain I (also known as Calcoflour White M2R New). The results suggest that excessive Na^+ in the rooting solution enlarges the apoplastic pathways, which facilitates Na^+ intrusion into the xylem vessels, resulting in an excessive accumulation of Na^+ in rice shoots.
- 一般社団法人日本土壌肥料学会の論文
著者
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Matoh Toru
Laboratory Of Plant Nutrition Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto
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Matoh Toru
Laboratory Of Plant Nutrition Graduate School Of Agriculture Kyoto University
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Ochiai K
Kyoto Univ. Kyoto Jpn
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Ochiai Kumiko
Laboratory Of Plant Nutrition Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto
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