Breeding progress and preparedness for mass-scale deployment of perennial lignocellulosic biomass crops switchgrass, miscanthus, willow and poplar

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

DOI

  • John Clifton-Brown, Aberystwyth University
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  • Antoine Harfouche, Università dellaTuscia
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  • Michael D. Casler, US Dairy Forage Research Center
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  • Huw Dylan Jones, Aberystwyth University
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  • William J. Macalpine, Rothamsted Research
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  • Donal Murphy-Bokern, Löhne
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  • Lawrence B. Smart, Cornell University
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  • Anneli Adler, SweTree Technologies AB, Sveriges Lantbruksuniversitet
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  • Chris Ashman, Aberystwyth University
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  • Danny Awty-Carroll, Aberystwyth University
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  • Catherine Bastien, Institut national de la recherche agronomique (INRA)
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  • Sebastian Bopper, University of Hohenheim
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  • Vasile Botnari, Physiology and Plant Protection (IGFPP) of Academy of Sciences of Moldova
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  • Maryse Brancourt-Hulmel, INRA-AgroImpact
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  • Zhiyong Chen, Hunan Agricultural University
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  • Lindsay V. Clark, University of Illinois
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  • Salvatore Cosentino, Università di Catania
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  • Sue Dalton, Aberystwyth University
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  • Chris Davey, Aberystwyth University
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  • Oene Dolstra, Wageningen University and Research Centre
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  • Iain Donnison, Aberystwyth University
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  • Richard Flavell, Battersea
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  • Joerg Greef, Bundesforschungsinstitut fur Kulturpflanzen
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  • Steve Hanley, Rothamsted Research
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  • Astley Hastings, Aberdeen University
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  • Magnus Hertzberg, SweTree Technologies AB
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  • Tsai Wen Hsu, Taiwan Endemic Species Research Institute
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  • Lin S. Huang, Aberystwyth University
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  • Antonella Iurato, Aberystwyth University
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  • Elaine Jensen, Aberystwyth University
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  • Xiaoli Jin, Zhejiang University
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  • Uffe Jørgensen
  • Andreas Kiesel, University of Hohenheim
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  • Do Soon Kim, Seoul National University
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  • Jianxiu Liu, Institute of Botany, Jiangsu Province and Chinese Academy of Science
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  • Jon P. McCalmont, Aberystwyth University
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  • Bernard G. McMahon, University of Minnesota Duluth
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  • Michal Mos, Energene sp. z o.o.
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  • Paul Robson, Aberystwyth University
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  • Erik J. Sacks, University of Illinois
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  • Anatolii Sandu, Physiology and Plant Protection (IGFPP) of Academy of Sciences of Moldova
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  • Giovanni Scalici, Università di Catania
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  • Kai Schwarz, Bundesforschungsinstitut fur Kulturpflanzen
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  • Danilo Scordia, Università di Catania
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  • Reza Shafiei, Dundee University
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  • Ian Shield, Rothamsted Research
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  • Gancho Slavov, Rothamsted Research
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  • Brian J. Stanton, GreenWood Resources Inc.
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  • Kankshita Swaminathan, HudsonAlpha Institute for Biotechnology
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  • Gail Taylor, University of Southampton
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  • Andres F. Torres, Wageningen University and Research Centre
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  • Luisa M. Trindade, Wageningen University and Research Centre
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  • Timothy Tschaplinski, Oak Ridge National Laboratory
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  • Gerald A. Tuskan, Oak Ridge National Laboratory
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  • Toshihiko Yamada, Hokkaido University
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  • Chang Yeon Yu, Kangwon National University
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  • Ronald S. Zalesny, USDA Forest Service
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  • Junqin Zong, Institute of Botany, Jiangsu Province and Chinese Academy of Science
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  • Iris Lewandowski, University of Hohenheim

Genetic improvement through breeding is one of the key approaches to increasing biomass supply. This paper documents the breeding progress to date for four perennial biomass crops (PBCs) that have high output–input energy ratios: namely Panicum virgatum (switchgrass), species of the genera Miscanthus (miscanthus), Salix (willow) and Populus (poplar). For each crop, we report on the size of germplasm collections, the efforts to date to phenotype and genotype, the diversity available for breeding and on the scale of breeding work as indicated by number of attempted crosses. We also report on the development of faster and more precise breeding using molecular breeding techniques. Poplar is the model tree for genetic studies and is furthest ahead in terms of biological knowledge and genetic resources. Linkage maps, transgenesis and genome editing methods are now being used in commercially focused poplar breeding. These are in development in switchgrass, miscanthus and willow generating large genetic and phenotypic data sets requiring concomitant efforts in informatics to create summaries that can be accessed and used by practical breeders. Cultivars of switchgrass and miscanthus can be seed-based synthetic populations, semihybrids or clones. Willow and poplar cultivars are commercially deployed as clones. At local and regional level, the most advanced cultivars in each crop are at technology readiness levels which could be scaled to planting rates of thousands of hectares per year in about 5 years with existing commercial developers. Investment in further development of better cultivars is subject to current market failure and the long breeding cycles. We conclude that sustained public investment in breeding plays a key role in delivering future mass-scale deployment of PBCs.

OriginalsprogEngelsk
TidsskriftGCB Bioenergy
ISSN1757-1693
DOI
StatusAccepteret/In press - 1 jan. 2019

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