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000014847 041__ $$aEnglish
000014847 1001_ $$0P:(DE-Juel1)VDB98196$$aLe Marié, C.$$b0$$uFZJ
000014847 245__ $$aInfluence of nutrient and metal concentration on root exudation under waterlogged conditions
000014847 260__ $$c2011
000014847 3367_ $$0PUB:(DE-HGF)10$$2PUB:(DE-HGF)$$aDiploma Thesis
000014847 3367_ $$02$$2EndNote$$aThesis
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000014847 3367_ $$2BibTeX$$aMASTERSTHESIS
000014847 500__ $$aRecord converted from VDB: 12.11.2012
000014847 500__ $$aEU Projekt "PlantPower"
(Grant agreement No: 226532)
000014847 500__ $$aRecord converted from JUWEL: 18.07.2013
000014847 502__ $$aAachen, RWTH, Dipl., 2011$$bDiplom (Univ.)$$cRWTH Aachen$$d2011
000014847 520__ $$aThe worldwide energy demand constantly increases and the search for regenerative
alternatives is inevitable. A concept that exploits a bioenergy source in situ is the plant
Microbial fuel cell (MFC). The plant-MFC uses the natural interplay between electrogenic
bacteria in soil and plants to convert solar energy into green electricity.
The interplay between bacteria and plant is based on the rhizodeposition of organic
compounds into the rhizosphere. It is known, that low phosphate (P) content in the soil as
well as a high Aluminum (Al) concentration can induce an enhanced exudation of organic
compounds by plants into the rhizosphere. However, so far little is known about the factors
that influence the rhizodeposition under waterlogged conditions. Thus, the aim of this study
was to increase the exudation of several plants into the rhizosphere under waterlogged
conditions by treating the plants with low P content or Al addition. Total organic carbon and
inorganic carbon analyses indicated that a reduction of P supply induced a twofold increased
release of organic compounds in waterlogged Spartina anglica, a threefold in Hemarthria
altissima and a fivefold in Glyceria maxima plants. In contrast, the addition of Al did not affect
the root exudation of any screened plant species. It is likely, that the screened plants use
other mechanisms to detoxify the Al in the nutrient solution such as absorption into the
symplasm or pH modifications of the rhizosphere. In future studies it should be tested, if a
reduction of P in the plant-MFC is a possible tool to increase the productivity of the plant-
MFC without affecting plant development and health.
000014847 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000014847 655_7 $$aHochschulschrift$$xDiploma Thesis (Univ.)
000014847 8564_ $$uhttps://juser.fz-juelich.de/record/14847/files/Chantal%20Le%20Mari%C2%A9%E2%99%AD_diplomathesis.pdf$$yOpenAccess
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000014847 9131_ $$0G:(DE-Juel1)FUEK407$$bErde und Umwelt$$kP24$$lTerrestrische Umwelt$$vTerrestrische Umwelt$$x0
000014847 9141_ $$y2011
000014847 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess
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000014847 980__ $$aJUWEL
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