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Next generation of elevated [CO2] experiments with crops : a critical investment for feeding the future world
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 66759
Author(s) Ainsworth, Elizabeth A; Beier, Claus; Calfapietra, Carlo; Ceulemans, Reinhart; Durand-Tardif, Mylene; Farquhar, Graham D; Godbold, Douglas L; Hendrey, George R; Hickler, Thomas; Kaduk, Jörg; Karnosky, David F; Kimball, Bruce A; Körner, Christian; Koornneef, Maarten; Lafarge, Tanguy; Leakey, Andrew D B; Lewin, Keith F; Long, Stephen P; Manderscheid, Remy; McNeil, David L; Mies, Timothy A; Miglietta, Franco; Morgan, Jack A; Nagy, John; Norby, Richard J; Norton, Robert M; Percy, Kevin E; Rogers, Alistair; Soussana, Jean-Francois; Stitt, Mark; Weigel, Hans-Joachim; White, Jeffrey W
Author(s) at UniBasel Körner, Christian
Year 2008
Title Next generation of elevated [CO2] experiments with crops : a critical investment for feeding the future world
Journal Plant, cell & environment
Volume 31
Number 9
Pages / Article-Number 1317-24
Keywords climate change, crop yield, FACE, genetic variation
Abstract A rising global population and demand for protein-rich diets are increasing pressure to maximize agricultural productivity. Rising atmospheric [CO(2)] is altering global temperature and precipitation patterns, which challenges agricultural productivity. While rising [CO(2)] provides a unique opportunity to increase the productivity of C(3) crops, average yield stimulation observed to date is well below potential gains. Thus, there is room for improving productivity. However, only a fraction of available germplasm of crops has been tested for CO(2) responsiveness. Yield is a complex phenotypic trait determined by the interactions of a genotype with the environment. Selection of promising genotypes and characterization of response mechanisms will only be effective if crop improvement and systems biology approaches are closely linked to production environments, that is, on the farm within major growing regions. Free air CO(2) enrichment (FACE) experiments can provide the platform upon which to conduct genetic screening and elucidate the inheritance and mechanisms that underlie genotypic differences in productivity under elevated [CO(2)]. We propose a new generation of large-scale, low-cost per unit area FACE experiments to identify the most CO(2)-responsive genotypes and provide starting lines for future breeding programmes. This is necessary if we are to realize the potential for yield gains in the future.
Publisher Blackwell
ISSN/ISBN 0140-7791
edoc-URL http://edoc.unibas.ch/dok/A5249746
Full Text on edoc No
Digital Object Identifier DOI 10.1111/j.1365-3040.2008.01841.x
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/18518914
ISI-Number WOS:000258410600011
Document type (ISI) Journal Article
 
   

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