Survival and Spread. Red spores can be carried great distances by the wind. Other Crops Affected. Barley and wild grasses. Most recommended hard red spring wheats and durums grown in North Dakota are resistant to existing races.
Winter wheats vary in resistance.
Check the current variety recommendations for variety susceptibility. Eradicate common barberry, the alternate host of stem rust. Since the federal eradication program was abandoned, barberry is gradually moving back into the upper Midwest. LEAF RUST, Puccinia recondita Symptoms. Circular to oblong orange-colored pustules occur primarily on leaves.