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Taxonomic Treatments of Triticeae and the Wheat Genus Triticum

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Alien Introgression in Wheat

Abstract

The taxonomic treatment of the grass tribe Triticeae Dumort. as well as the treatment of its most prominent member, the wheat genus Triticum, is under long-standing debate. Even after decades of research, published studies are largely contradictory and incompatible. The reasons are multifaceted and include the complex mode of evolution of genera and species, due to recurrent hybridization among species resulting in many allopolyploids, and the taxonomic representation of such relationships. The high number of existing species and genera, their worldwide distribution in temperate regions, and their economic importance made them of interest to many taxonomists around the globe. Finally, conceptual and methodological achievements in taxonomy and different opinions of taxonomists resulted in the existence of various different treatments and several correct scientific names for many taxa of Triticeae. The classificatory systems that were proposed for Triticum exhibit a striking example for how different opinions of taxonomist influence the naming of plants. This chapter reviews important historical and current taxonomic treatments of the tribe Triticeae, the wheat genus Triticum, and their underlying methods and perceptions. Current challenges in Triticeae taxonomy are discussed.

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Acknowledgements

I thank Frank Blattner, Jonathan Brassac, Klaus Pistrick, and Hart Poskar for valuable remarks and suggestions on the manuscript. The Deutsche Forschungsgemeinschaft (DFG) financially supported this work through grant number BL 462/10.

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  1. Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Taxonomy & Evolutionary Biology, Corrensstr. 3, D-06466, Gatersleben, Germany

    Nadine Bernhardt

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  1. Hungarian academy of Sciences, Agricultural Institute, Centre for Agricultural Research Hungarian Academy of Sciences, Martonvásár, Fejer, Hungary

    Márta Molnár-Láng

  2. Department of Agriculture, Forestry, Nature and Energy, University of Tuscia, Viterbo, Italy

    Carla Ceoloni

  3. Biotechnological & Agricultural Res, Centre of the Region Hana for Biotechnological & Agricultural Res, Olomouc, Czech Republic

    Jaroslav Doležel

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Bernhardt, N. (2015). Taxonomic Treatments of Triticeae and the Wheat Genus Triticum . In: Molnár-Láng, M., Ceoloni, C., Doležel, J. (eds) Alien Introgression in Wheat. Springer, Cham. https://doi.org/10.1007/978-3-319-23494-6_1

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