| description: | Bjorn (Barney) Petursson, Bsa (Manitoba), Msc, Phd (Minnesota). Served With Dominion Rust Research Laboratory From 1929 - 19 60, Specializing In Crown Rust Of Oats. He Joined Plant Sciences Department At University Of Manitoba And Lectured There Between Between 1958 - 1962, And Provided An Extension And Advisory Service To Manitoba Growers |