Web Links
eXtension Apples Community of Practice
USDA-ARS Cornell University Apple Rootstock Breeding and Evaluation Program
AFHRC Apple Rootstock Identification
Concept Engineering Air Excavation (Air Spade)
Characteristics of Apple Rootstocks and Interstem Combinations (PDF or Excel Update 10/2011: Prepared by Paul Domoto, Iowa State)
Massachusetts
Rootstock Research Report for 2000
Massachusetts Rootstock Research
Report for 2001
Massachusetts
Rootstock Research Report for 2002
Massachusetts
Rootstock Research Report for 2003
Massachusetts
Rootstock Research Report for 2004
Massachusetts
Rootstock Research Report for 2005
Massachusetts Rootstock Research Report for 2006
Massachusetts Rootstock Research Report for 2007
Massachusetts Rootstock Research Report for 2008
Apple Scion/Rootstock Selection and Planning for Michigan (aka tree spacing calculator)