1. Chair for Fruit, Viticulture and Vegetable Growing, Dept. of Agronomy, Biotechnical Faculty; Univ. of Ljubljana; Jamnikarjeva 101 SI-1000 Ljubljana Slovenia
2. Chair for Applied Botany, Ecology, Plant Physiology and Informatics, Dept. of Agronomy, Biotechnical Faculty; Univ. of Ljubljana; Jamnikarjeva 101 SI-1000 Ljubljana Slovenia