Presented to the IFTA Research Committee per IFTA Research Funding AgreementDwarfing cherry rootstocks have allowed new possibilities for developing high-density sweet cherry (Prunus avium L.) orchards with smaller trees that are more precocious and productive and that can either be covered with rain exclusion shelters or high tunnels to prevent rain cracking (Lang, 2005; Robinson et al., 2004; Robinson and Dominguez, 2014; Robinson and Hoying, 2014). Several high-density training systems have been developed for sweet cherries, giving fruit growers many options for choosing a planting density, rootstock and training protocol (Reginato et al., 2008; Robinson et al., 2015). The objective of this project was to compare high-density production systems on both standard and dwarfing rootstocks for both self-fertile and self-infertile sweet cherries and determine the effect of training system and rootstock on yield, fruit size, fruit quality and crop value.
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