Performance of 15 Miscanthus genotypes at five sites in Europe

John C. Clifton-Brown, Iris Lewandowski, Bengt Andersson, Gottlieb Basch, Dudley G. Christian, Jens Bonderup Kjeldsen, Uffe Jørgensen, Jørgen V. Mortensen, Andrew B. Riche, Kai-Uwe Schwarz, Koeyumars Tayebi, Fernando Teixeira

Research output: Contribution to journalArticlepeer-review

306 Citations (SciVal)

Abstract

Miscanthus is a genus of high-yielding perennial rhizomatous grasses with C4 photosynthesis. Extensive field trials of Miscanthus spp. biomass production in Europe during the past decade have shown several limitations of the most widely planted clone, M. × giganteus Greef et Deu. A 3-yr study was conducted at five sites in Europe (Sweden, Denmark, England, Germany, and Portugal) to evaluate adaptation and biomass production potential of four acquisitions of M. × giganteus (No. 1–4) and 11 other genotypes, including M. sacchariflorus (Maxim.) Benth. (No. 5), M. sinensis Andersson (No. 11–15), and hybrids (No. 6–10). At each site, three randomized blocks containing a 5- by 5-m plot of each genotype were established (except in Portugal where there were two blocks) with micropropagated plants at 2 plants m−2 In Sweden and Denmark, only M. sinensis and its hybrids satisfactorily survived the first winter following planting. Mean annual yields across all sites for all surviving genotypes increased each year from 2 t ha−1 dry matter following the first year of growth to 9 and 18 t ha−1 following the second and third year, respectively. Highest autumn yields at sites in Sweden, Denmark, England, and Germany were 24.7 (M. sinensis hybrid no. 8), 18.2 (M. sinensis hybrid no. 10), 18.7 (M. × giganteus no. 3), and 29.1 t ha−1 (M. × giganteus no. 4), respectively. In Portugal, where irrigation was used, the top-yielding genotype produced 40.9 t ha−1 dry matter (M. sinensis hybrid no. 7). Highest-yielding genotypes in Sweden and Denmark were among the lowest yielding in Portugal and Germany, demonstrating strong genotype × environment interactions.
Original languageEnglish
Pages (from-to)1013-1019
Number of pages7
JournalAgronomy
Volume93
Issue number5
DOIs
Publication statusPublished - Sept 2001

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