Breeding progress and preparedness for mass‐scale deployment of perennial lignocellulosic biomass crops switchgrass, miscanthus, willow and poplar
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Breeding progress and preparedness for mass‐scale deployment of perennial lignocellulosic biomass crops switchgrass, miscanthus, willow and poplar. / Clifton-Brown, John; Harfouche, Antoine; Casler, Michael et al.
In: GCB Bioenergy, Vol. 11, No. 1, 01.01.2019, p. 118-151.Research output: Contribution to journal › Article › peer-review
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T1 - Breeding progress and preparedness for mass‐scale deployment of perennial lignocellulosic biomass crops switchgrass, miscanthus, willow and poplar
AU - Clifton-Brown, John
AU - Harfouche, Antoine
AU - Casler, Michael
AU - Jones, Huw
AU - MacAlpine, William J.
AU - Murphy-Bokern, Donal
AU - Smart, Lawrence
AU - Adler, Anneli
AU - Ashman, Christopher Ross
AU - Awty-Carroll, Danny
AU - Bastien, Catherine
AU - Bopper, Sebastian
AU - Botnari, Vasile
AU - Brancourt-Hulmel, Maryse
AU - Chen, Zhiyong
AU - Clark, Lindsay
AU - Cosentino, Salvatore
AU - Dalton, Susan
AU - Davey, Christopher
AU - Dolstra, Oene
AU - Donnison, Iain
AU - Flavell, Richard
AU - Greef, Joerg M.
AU - Hanley, Steven
AU - Hastings, Astley
AU - Hertzberg, Magnus
AU - Hsu, Tsai Wen
AU - Huang, Lin
AU - Iurato, Antonella
AU - Jensen, Elaine
AU - Jin, Xiaoli
AU - Jørgensen, Uffe
AU - Kiesel, Andreas
AU - Kim, Do-Soon
AU - Liu, Jianxiu
AU - McCalmont, Jon P.
AU - McMahon, Gernard G.
AU - Mos, Michael
AU - Robson, Paul
AU - Sacks, Eric J.
AU - Sandu, Anatolii
AU - Scalici, Giovanni
AU - Schwarz, Kai
AU - Scordia, Danilo
AU - Shafiei, Reza
AU - Shield, Ian F.
AU - Slavov, Gancho
AU - Stanton, Brian
AU - Swaminathan, Kankshita
AU - Taylor, Gail
AU - Torres, Andres F.
AU - Trindade, Luisa M.
AU - Tschaplinski, Timothy
AU - Tuskan, Jerry
AU - Yamada, Toshihiko
AU - Yu, Chang Yeon
AU - Zalesny, Ron -Fs
AU - Zong, Junqin
AU - Lewandowski, Iris
PY - 2019/1/1
Y1 - 2019/1/1
N2 - 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 deliberate 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 datasets 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, semi‐hybrids 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
AB - 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 deliberate 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 datasets 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, semi‐hybrids 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
KW - perennial biomass crop
KW - Panicum virgatum
KW - Miscanthus
KW - M. sinensis
KW - M. sacchariflorus
KW - Salix spp
KW - Populus spp
KW - bioenergy
KW - lignocellulose
KW - feedstocks
U2 - 10.1111/gcbb.12566
DO - 10.1111/gcbb.12566
M3 - Article
C2 - 30854028
VL - 11
SP - 118
EP - 151
JO - GCB Bioenergy
JF - GCB Bioenergy
SN - 1757-1693
IS - 1
ER -