Low pH and Aluminum Tolerance of Bradyrhizobium Strains Isolated from Acid Soils in Indonesia
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概要
- 論文の詳細を見る
Sixty-seven strains of Bradyrhizobium isolated from soybean plants growing on acid soils in West Java and Sumatra, Indonesia, were examined for the effect of the pH and aluminum concentration on their growth in nutrient media, compared with 61 strains of Bradyrhizobium from soils in Japan. The results in this study indicated that the indigenous population of Bradyrhizobium in the soils of Indonesia showed a large difference in acid- and Al-tolerance from that of Japan. Eighty-five and 48% of the isolates from Japanese soils and Indonesian soils, respectively, were unable to grow in YEM broth at pH below 4.5. The acid-tolerance was correlated with Al-tolerance of the isolates on YEM agar plates at pH 4.4. Seventy-five percent of the isolates that grew in YEM broth at pH 4.5 were also resistant to 400μM Al on the YEM plates. Acetylene reduction assay of the root nodules revealed that 3 of the acid- and Al-tolerant isolates from Indonesian soils showed a significantly high nitrogen fixation activity.
- 社団法人日本土壌肥料学会の論文
著者
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Ariani Dini
R&d Center For Biotechnology Indonesian Institute Of Science
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Ozawa Takashi
Department of Applied Biochemistry, College of Agriculture, Osaka Prefecture University
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Imai Yuichi
Department of Applied Biochemistry, College of Agriculture, Osaka Prefecture University
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Sukiman Harmastini
R&D Center for Biotechnology, Indonesian Institute of Science
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Karsono Herry
R&D Center for Biotechnology, Indonesian Institute of Science
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Ariani Dini
R&D Center for Biotechnology, Indonesian Institute of Science
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Saono Susono
R&D Center for Biotechnology, Indonesian Institute of Science
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Sukiman Harmastini
R&d Center For Biotechnology Indonesian Institute Of Science
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Imai Yuichi
Department Of Applied Biochemistry College Of Agriculture Osaka Prefecture University
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Saono Susono
R&d Center For Biotechnology Indonesian Institute Of Science
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Karsono Herry
R&d Center For Biotechnology Indonesian Institute Of Science
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Ozawa Takashi
Departmant Of Chemistry Faculty Of Engineering Shibaura Institute Of Technology
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- Low pH and Aluminum Tolerance of Bradyrhizobium Strains Isolated from Acid Soils in Indonesia
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