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Influence of chelating ligands on bioavailability and mobility of iron in plant growth media and their effect on radish growth
http://hdl.handle.net/2297/27093
http://hdl.handle.net/2297/2709395872585-cde8-4412-b1ef-3923c31c1bb8
名前 / ファイル | ライセンス | アクション |
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TE-PR-HASEGAWA-H-345.pdf (154.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Influence of chelating ligands on bioavailability and mobility of iron in plant growth media and their effect on radish growth | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hasegawa, Hiroshi
× Hasegawa, Hiroshi× Rahman, M.A.× Saitou, K.× Kobayashi, M.× Okumura, C. |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域物質化学系 | |||||
書誌情報 |
Environmental and Experimental Botany 巻 71, 号 3, p. 345-351, 発行日 2011-07-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0098-8472 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00637364 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.envexpbot.2011.01.004 | |||||
出版者 | ||||||
出版者 | Elsevier BV | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, the effects of chelating ligands on iron movement in growth medium, iron bioavailability, and growth of radish sprouts (Raphanus sativus) were investigated. Iron is an important nutrient for plant growth, yet the insoluble state of iron hydroxides in alkaline conditions decreases its bioavailability. Iron chelates increase iron uptake and have been used in agriculture to correct iron chlorosis. While previous studies have reported the effects of chelating ligands on iron solubility and bioavailability, the present study elucidates the pattern of iron movement by chelating ligands in plant growth medium. The apparent mobility of iron in growth medium was calculated using a '4-box' model. Ethylenediaminedisuccinic acid (EDDS) and hydroxy-iminodisuccinic acid (HIDS) produced the highest apparent mobility of iron from the bottom layer of the medium (initially 10-4M Fe(III)) to the upper layer (no iron), followed by glutamatediacetic acid (GLDA), ethylenediaminetetraacetic acid (EDTA), methylglycinediacetic acid (MGDA), and iminodisuccinic acid (IDS). Iron movement in the growth medium was influenced by the chelating ligand species, pH, and ligand exposure time. The iron uptake and growth of radish sprouts were related to the iron mobility produced by the chelating ligands. These results suggest that, in alkaline media, chelating ligands dissolve the hardly soluble iron hydroxide species, thus increasing iron mobility, iron uptake, and plant growth. HIDS, which is biodegradable, was one of the most effective ligands studied; therefore, this compound would be a good alternative to other environmentally persistent chelating ligands. © 2011 Elsevier B.V. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 2011年8月より全文公開. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.elsevier.com/locate/issn/00988472 |