1. Institut Sophia Agrobiotech (ISA); INRA UMR 1355; CNRS UMR 7254; Université de Nice Sophia Antipolis; 400 Route des Chappes - BP167 Sophia Antipolis Cedex F-06903 France
2. Institute of Genetics; Biological Research Center; Hungarian Academy of Sciences; P.O. Box 521 Szeged H-6701 Hungary