2015 Stripe rust survey in Southern Alberta
Stripe rust incidence and severity was assessed in winter and spring wheat fields in Southern Alberta during the 2014-15 crop season. Puccinia striiformis f. sp. tritici was observed in early December 2014 and in late April 2015 suggesting that overwintering is Southern Alberta had occurred. Stripe rust remained localized throughout May and June but in early July, stripe rust had become widespread but severity levels remained relatively low. Dry prevailing condition during the spring and early summer were likely responsible for the limited impact of stripe on wheat yields and quality in Southern Alberta during 2015.
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