“…In nature M. lini appeared on various Linum species but most of the species were resistant to the rust isolated from cultivated flax or from other species (Hart 1926, Straib 1939, Flor 1956, Wicks & Hammond 1978, Lawrence & Burdon 1989, Islam & Mayo 1990, Islam 1992. In our experiment most of the accessions of wild Linum species were resistant to isolate 17 of M. lini.…”