Erratum to: Theor Appl Genet (2009) 119:497–505 DOI 10.1007/s00122-009-1056-8

Unfortunately, the author’s name Nagaharu U, was wrongly typeset both in the Introduction and in the References. The correct citation in the Introduction should be (U 1935) and not (Nagaharu 1935) and the correct reference is as given below:

U N (1935) Genome analysis in Brassica with special reference to the experimental formation of B. napus and peculiar mode of fertilization. Jpn J Bot 7:389–452.