Biomass yields, reproductive fertility, compositional analysis and genetic diversity of newly developed triploid giant Miscanthus Hybrids

Miscanthus ×giganteus (giant miscanthus) is a naturally occurring hybrid that has shown promise as a bioenergy/biomass crop throughout much of the temperate world.  Allotriploid (2n = 3x = 57) hybrids of M. ×giganteus, resulting from crosses between tetraploid M. sacchariflorus (2n = 4x = 76) and diploid M. sinensis (2n = 2x = 38), are particularly desirable due to their low fertility that minimizes reseeding and potential invasiveness. However, there is limited genetic diversity in commonly grown cultivars of triploid M. ×giganteus and breeding and development efforts to improve and domesticate this crop have been minimal. Here, we report on newly developed M. ×giganteus hybrids compared to the industry standard M. ×giganteus ‘1993-1780’. Dry biomass yields of new hybrids ranged from 19.5 to 32.4 Mg/ha per year for the fourth growing season, compared to 21.0 Mg·ha−1 for M. ×giganteus ‘1993-1780’. Plant reproductive fertility remained low for all accessions with overall fertility [(seed..., , , # Biomass Yields, Reproductive Fertility, Compositional Analysis and Genetic Diversity of Newly Developed Triploid Giant Miscanthus Hybrids

[https://doi.org/10.5061/dryad.1c59zw445](https://doi.org/10.5061/dryad.1c59zw445)

Included is the data used for Figures 1, 2, and 3 and Tables 1, 2, 3, 4, 5 and 6 in the manuscript.
Figure 3 and Table 6 are based upon the same DNA sequence data.

## Description of the data and file structure

Figure_01_data.csv: Yield data in Megagrams per Hectare (Mg/ha) for the years 2017 through 2020 for each accession.

Genomic_Size_distribution_raw.csv: Flow cytometry genomic size estimates in picograms (pg) for Figure 2.

Sequence Data for Figure 3 and Table 6.
Whole genome sequence data generated by Novogene Co., Inc. (Beijing, China). Standard Illumina DNA libraries were prepared with an insert size of 350 bp and then sequenced using an Illumina HiSeq instrument (Illumina, San Diego, CA) producing 150-bp paired-end sequencing reads with an average 25 Gb o...