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Table 1 Description and original locations of the ash trees that provided scion material for the grafted trees used in this study

From: Genome-wide epigenetic variation among ash trees differing in susceptibility to a fungal disease

Genotype Samples Source location ADB damage in 2009
F. mandshurica (1995–0717 in Hørsholm Arboretum) F.mand-1 Yasnoya Village, Primorye, Russia (Seed supplied to Hørsholm Arboretum by RBG Kew in 1995) N/A
F. mandshurica (1989–0095 in Hørsholm Arboretum) F.mand-2, F.mand-3 Dailing, Heilongiang, China (Seed supplied to Hørsholm Arboretum from China in 1989) N/A
F. excelsior Clone 27 F.exc 27–1, F.exc 27–2 Helved, Denmark
55.0094 N, 9.9391 E
90% of samples with > 50% damage
F. excelsior Clone 33 F.exc 33–1, F.exc 33–2, F.exc 33–3, F.exc 33–4, F.exc 33–5 Boller, Denmark
55.8343 N, 9.9178 E
70% of samples with < 10% damage
F. excelsior Clone 35 F.exc 35–1, F.exc 35–2, F.exc 33–3, F.exc 33–4, F.exc 33–5 Sorø, Denmark
55.3855 N, 11.5851 E
90% of samples with < 10% damage
F. excelsior Clone 40 F.exc 40–1, F.exc 40–1, F.exc 40–3, F.exc 40–4, F.exc 40–5 Sorø, Denmark
55.5276 N, 11.7369 E
95% of samples with > 50% damage
  1. Grafts were grown in a common glasshouse environment at University of Copenhagen. The F. mandshurica scion materials were from trees germinated from seed in the Hørsholm Arboretum, Copenhagen in 1995 and 1989. The F. excelsior genotypes had been tested for ADB susceptibility in clonal field trials established in 1998 and surveyed in 2009 [49]