Other Plant Disease — Canada
European clubroot differential (ECD) 04 is a key source of clubroot resistance for canola breeding programs around the world, said scientist Rudolph Fredua-Agyeman. [It] has been bred into most clubroot-resistant varieties, including Mendel — a European winter cultivar that has also been used for Canadian varieties.
But in 2013, clubroot strains started to overcome the resistance [ProMED-mail post http://promedmail.org/post/20150618.3447106]. Most notable of these strains is 5x, which can
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