“…Examples of the former include alfalfa (Li et al, 2014b), chrysanthemum (van Geest et al, 2017c, potato (Hamilton et al, 2011;Felcher et al, 2012;Vos et al, 2015), rose and sour cherry (Peace et al, 2012). Examples of allopolyploid SNP arrays include cotton (Hulse-Kemp et al, 2015), oat (Tinker et al, 2014), oilseed rape (Dalton- Morgan et al, 2014;Clarke et al, 2016), peanut (Pandey et al, 2017), strawberry (Bassil et al, 2015) and wheat (Akhunov et al, 2009;Cavanagh et al, 2013;Wang et al, 2014b;Winfield et al, 2016). Untargeted approaches such as genotyping-by-sequencing have also been applied, for example in autopolyploids such as alfalfa Yu et al, 2017), blueberry (McCallum et al, 2016), bluestem prairie grass (Andropogon gerardii) (McAllister and Miller, 2016), cocksfoot (Dactylis glomerata) (Bushman et al, 2016), potato (Uitdewilligen et al, 2013;Sverrisdóttir et al, 2017), sugarcane (Balsalobre et al, 2017;Yang et al, 2017b) and sweet potato (Shirasawa et al, 2017), and in allopolyploids such as coffee (Moncada et al, 2016), cotton (Islam et al, 2015;Reddy et al, 2017), intermediate wheatgrass (Thinopyrum intermedium) (Kantarski et al, 2017), oat (Chaffin et al, 2016), prairie cordgrass (Spartina pectinata) (Crawford et al, 2016), shepherd's purse (Capsella bursa-pastoris) (Cornille et al, 2016), wheat (Poland et al, 2012;Edae et al, 2...…”