Factsheet: Bacterial Leaf Streak and Black Chaff of Cereal Crops in the Prairies
In recent years bacterial leaf streak and black chaff, caused by Xanthomonas transluscens pv. undulosa, have become more prevalent in the Prairie provinces due to favorable conditions. Bacterial leaf streak is an important disease of cereal crops all over the world, and can cause a significant reduction in yield. It has been reported that severe infections can reduce yield by up to 50%,1 however losses this significant have not been reported in Western Canada.