Fig. 1
From: Key lessons from resistant tree breeding programmes in the Northern Hemisphere
Timeline indicating prominent events in American chestnut (Castanea dentata) resistance programme carried out by The American Chestnut Foundation (TACF). Numbered references are: 1Jacobs et al. (2013). 2Hebard (2005b). 3Diskin et al. (2006). 4Hebard (2012). 5Steiner et al. (2017). 6Hebard (2005a). 7Clark et al. (2011). 8Clark et al. (2014). 9Clark et al. (2016). 10Jacobs (2007). 11TACF Annual Report (2014). 12TACF Annual Report (2016). 13Newhouse et al. (2014). 14Westbrook (2018)