IOBC / WPRS Working group „Integrated Protection of Fruit Crops” Sub group “Pome Fruit Diseases” Proceedings of the Meetings at Lindau (Germany) 31 August – 5 September 2002 and Piacenza (Italy) 31 August – 3 September 2005 Edited by Cesare Gessler, Vittorio Rossi and Simona Giosuè IOBC wprs Bulletin Bulletin OILB srop Vol. 29 (1) 2006