Monday, July 7, 2014

Stripe Rust Reported in Eastern Idaho

Stripe rust has been reported in UI Pettit in the Rockford area south west of Blackfoot. 

Stripe rust has been reported in WB936 on west side of Idaho Falls.

Stripe rust has been reported in a spring feed barley (http://www.westbred.com/Products/Northwest/Barley%20Documents/WESTBRED_501.pdf) north of Rupert. The barley was in milk to soft dough. Fungicide application is not recommended for the barley, and in addition the allowable time frame has passed for fungicide application in that field. 


Warmer temperatures should slow the rate of spread, but the nighttime cool temperatures and irrigated conditions will still allow the fungi to advance. IF the infections are appearing within the appropriate time frame, fungicide application is recommended to reduce yield loss in susceptible varieties. Please read and follow all label directions.

cheers,
Juliet

Juliet Marshall, Ph.D.
Associate Professor, Cereals Pathology and Agronomy

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