A multiplex PCR assay for identification of the ogura male sterile cytoplasm and the Rfo restorer gene among oilseed rape breeding forms Journal title: Rośliny Oleiste - Oilseed Crops Authors: Katarzyna Mikołajczyk, Agnieszka Dobrzycka, Jan Podkowiński, Wiesława Popławska, Stanisław Spasibion... Subject(s):