Affiliation: | Authors' addresses: Department of Plant Virology, Institute of Plant Molecular Biology, Biology Centre Academy of Science, v.v.i., Branišovská31/1160, 370 05 ČeskéBudějovice, Czech Republic;;Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Šlechtitelů11, 78271 Olomouc –Holice, Czech Republic;;Breeding Firm Ing. Hana Jakešová, CSc., Fulnecká100, 742 47 HladkéŽivotice, Czech Republic (correspondence to J. Fránová. E-mail: ) |