Home > Publications database > Impact of phosphorus mineral source (Al-P or Fe-P) and pH on cluster-root formation and carboxylate exudation in Lupinus albus L. > print

001     56266
005     20180211164307.0
024 7 _ |2 DOI
|a 10.1007/s11104-007-9535-7
024 7 _ |2 WOS
|a WOS:000253216200013
037 _ _ |a PreJuSER-56266
041 _ _ |a eng
082 _ _ |a 570
084 _ _ |2 WoS
|a Agronomy
084 _ _ |2 WoS
|a Plant Sciences
084 _ _ |2 WoS
|a Soil Science
100 1 _ |a Shane, M. W.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Impact of phosphorus mineral source (Al-P or Fe-P) and pH on cluster-root formation and carboxylate exudation in Lupinus albus L.
260 _ _ |a Dordrecht [u.a.]
|b Springer Science + Business Media B.V
|c 2008
300 _ _ |a 169 - 178
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Plant and Soil
|x 0032-079X
|0 9161
|v 304
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Lupinus albus L. were grown in rhizoboxes containing a soil amended with sparingly available Fe-P or Al-P (100 mu g P g(-1) soil/resin mixture). Root halves of individual plants were supplied with nutrient solution (minus P) buffered at either pH 5.5 or 7.5, to assess whether the source of mineral-bound P and/or pH influence cluster-root growth and carboxylate exudation. The P-amended soil was mixed 3:1 (w/w) with anion-exchange resins to allow rapid fixation of carboxylates. Treatments lasted 10 weeks. Forty percent and 30% of the root mass developed as cluster roots in plants grown on Fe-P and Al-P respectively, but cluster-root growth was the same on root-halves grown at pH 5.5 or 7.5. Mineral-bound P source (Al- or Fe-P) had no influence on the types of carboxylates measured in soil associated with cluster roots-citrate (and trace amounts of malate and fumarate) was the only major carboxylate detected. The [citrate] in the rhizosphere of cluster roots decreased with increased shoot P status (suggesting a systemic effect) and also, only for plants grown on Al-P, with decreased pH in the root environment (suggesting a local effect). In a separate experiment using anion exchange resins pre-loaded with malate or citrate, we measured malate (50%) and citrate (79%) recovery after 30 days in soil. We therefore, also conclude that measurements of [citrate] and [malate] at the root surface may be underestimated and would be greater than the 40- and 1.6-mu mol g(-1) root DM, respectively estimated by us and others because of decomposition of carboxylates around roots prior to sampling.
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
653 2 0 |2 Author
|a citrate
653 2 0 |2 Author
|a P-deficiency
653 2 0 |2 Author
|a proteoid roots
653 2 0 |2 Author
|a split-root design
653 2 0 |2 Author
|a systemic signal
653 2 0 |2 Author
|a white lupin
700 1 _ |a Lambers, H.
|b 1
|0 P:(DE-HGF)0
700 1 _ |a Gawthray, G.R.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Kuhn, A. J.
|b 3
|u FZJ
|0 P:(DE-Juel1)129349
700 1 _ |a Schurr, U.
|b 4
|u FZJ
|0 P:(DE-Juel1)129402
773 _ _ |a 10.1007/s11104-007-9535-7
|g Vol. 304, p. 169 - 178
|p 169 - 178
|q 304<169 - 178
|0 PERI:(DE-600)1478535-3
|t Plant and soil
|v 304
|y 2008
|x 0032-079X
856 7 _ |u http://dx.doi.org/10.1007/s11104-007-9535-7
909 C O |o oai:juser.fz-juelich.de:56266
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|l Terrestrische Umwelt
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914 1 _ |y 2008
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k ICG-3
|l Phytosphäre
|d 31.10.2010
|g ICG
|0 I:(DE-Juel1)ICG-3-20090406
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981 _ _ |a I:(DE-Juel1)ICG-3-20090406

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