Institution: | 1. Julius Kühn Institute, Federal Institute for Cultivated Plants, Institute for Breeding Research on Horticultural and Fruit Crops, Dresden, Germany;2. Julius Kühn Institute, Federal Institute for Cultivated Plants, Institute for Resistance Research and Stress Tolerance, Quedlinburg, Germany;3. Julius Kühn Institute, Federal Institute for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Dossenheim, Germany;4. Present address: Norgen Biotek Corporation, Thorold, Ontario, Canada |