1.
Reisebericht zum Symposium "Biotechnical Advances in in vitro Horticultural Breeding" in Gent in Belgien
2.
Bericht über den 10. Workshop "Spray Application Techniques in Fruit Growing", SuproFruit 2009 in Wageningen, Niederlande
Bericht über das "23rd International Eucarpia Symposium Section Ornamentals - Colourful Breeding and Genetics" in Leiden, Niederlande