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Sweet sorghum. An alternative energy crop

Janssen R., Rutz D., Braconnier S., Rao S., Schaffert R.E., Parella R., Zaccharias A., Rettenmaier N., Reinhardt G., Monti A., Amaducci S., Marocco A., Snijman W., Terblanche H., Zavala-Garcia F.. 2010. In : Spitzer J. (ed.), Dallemand J.F. (ed.), Baxter D. (ed.), Ossenbrink H. (ed.). 18th European Biomass Conference and Exhibition : from research to industry and market. Proceedings of the International Conference held in Lyon, France, 3-7 May 2010. Florence : ETA-Renewable Energies, p. 200-206. European Biomass Conference and Exhibition. 18, 2010-05-03/2010-05-07, Lyon (France).

The energy crop sweet sorghum (Sorghum bicolor L. Moench) is raising considerable interest as a source of either fermentable free sugars or lignocellulosic feedstock with the potential to produce fuel, food, feed and a variety of other products. Sweet sorghum is a C4 plant with many potential advantages, including high water, nitrogen and radiation use efficiency, broad agro-ecological adaptation as well as a rich genetic diversity for useful traits. For developing countries sweet sorghum provides opportunities for the simultaneous production of food and bioenergy (e.g. bio-ethanol), thereby contributing to improved food security as well as increased access to affordable and renewable energy sources. In temperate regions (e.g. in Europe) sweet sorghum is seen as promising crop for the production of raw material for 2nd generation bio-ethanol. The project SWEETFUEL (Sweet Sorghum: An alternative energy crop) is supported by the European Commission in the 7th Framework Programme to exploit the advantages of sweet sorghum as potential energy crop for bio-ethanol production. Thereby, the main objective of SWEETFUEL is to optimize yields in temperate and semi-arid regions by genetic enhancement and the improvement of cultural and harvest practices.

Mots-clés : sorghum bicolor; production énergétique; biocarburant; éthanol; pays en développement; amélioration des plantes; afrique du sud; brésil

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