Rhizosphere pH Profile of Rice Plant Influenced by Al Treatment
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概要
- 論文の詳細を見る
To study the mechanisms of Al tolerance in rice, we focused on the change of rhizosphere pH. The 4-d seedlings were treated with Al solution (0, 10, 50mM) for 24h. Then each sample was put on an agarose gel including bromocresol green, so that the color of the gel indicated pH change. During 2-h contact, the pH of rhizosphere was decreased gradually, especially for Al-treated samples, showing the specific pH profiles along the root axis. Pretreatment of sample plants with a decoupling reagent 2, 4-dinitrophenol (DNP) or a plasma membrane H^+-ATPase inhibitor Na_3VO_4 did not decrease rhizosphere pH. Therefore, it was suggested that the H^+ secretion activity was involved with Al-tolerant mechanisms of rice.
- 社団法人日本土壌肥料学会の論文
著者
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NAKANISHI Tomoko
Graduate School of Life and Environmental Sciences, University of Tsukuba
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Hayashi Yoshitake
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Kawai T
Electron Tube Division #2 Hamamatsu Photonics K. K.
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Hayashi Y
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Tanoi Keitaro
Graduate School of Agricultural and Life Sciences, The University of Tokyo
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Takayama K
Tohoku University Biomedical Engineering Research Organization
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Nishiyama Hiroyuki
Graduate School of Agricultural and Life Sciences, The University of Tokyo
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Nakanishi Tomoko
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Tanioka K
Nhk Science And Technical Research Laboratories
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Tanoi Keitaro
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Nishiyama Hiroki
Graduate School of Agricultural and Life Sciences, The University of Tokyo
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