ORBi: Delory Benjamin - Growth modelling and profiling of volatile organic compounds in Barley (Hordeum distichon L.) roots

Reference : Growth modelling and profiling of volatile organic compounds in Barley (Hordeum disticho...


	Document type :	Scientific congresses and symposiums : Poster
	Discipline(s) :	Life sciences : Agriculture & agronomy Life sciences : Phytobiology (plant sciences, forestry, mycology...)
	To cite this reference:	http://hdl.handle.net/2268/105607

Title :	Growth modelling and profiling of volatile organic compounds in Barley (Hordeum distichon L.) roots
Language :	English
Author, co-author :	Delory, Benjamin [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
	Gfeller, Aurélie [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
	Delaplace, Pierre [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
	Wathelet, Jean-Paul [Université de Liège - ULg > Chimie et bio-industries > Chimie générale et organique >]
	Fauconnier, Marie-Laure [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
	du Jardin, Patrick [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
Publication date :	10-Feb-2012
On invitation :	No
Audience :	National
Event name :	Applied Biological Sciences
Event date :	10 février 2012
Event organizer :	Katholieke Universiteit Leuven
Event place (city) :	Leuven
Event country :	Belgique
Keywords :	[en] Hordeum distichon ; Roots ; Growth models ; Volatile organic compounds (VOCs) ; VOC's content ; SPME-GC/MS
Abstract :	[en] The roles played by root volatile organic compounds (VOC) remain essentially unknown. This study aims at identifying VOC contained by H. distichon roots at selected growth developmental stages. As an original contribution, these were positioned on growth models calibrated for barley plants cultivated in our growth conditions. By SPME-GC/MS, a total of 110 compounds were detected and 70% of them were tentatively identified based on their mass spectra and retention time. Alcohols, aldehydes, ketones and organic acid esters accounted for 55,5% of the total number of detected VOC. Multivariate analysis revealed qualitative and quantitative changes in such profiles according to the developmental stage. In general, the VOC content was the highest when young roots just emerged from the coleorhiza.
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Permalink :	http://hdl.handle.net/2268/105607

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