Although stripe rust was present across the U.S. last year, USDA-ARS Research Plant Pathologists observed fields in late fall 2017 and has predicted that stripe rust will not be a major factor for growers this season. This may be due to a combination of resistant varieties, timely fungicide application and less favorable winter conditions. While stripe rust is not expected to be a huge threat in the 2018 season, you should still be prepared to fight it, should it appear.
The University of Georgia Extension reports that the first sign of stripe rust is yellow streaks, followed by the appearance of small, elongated, bright yellow pustules arranged in rows on the leaves. Mature pustules will break open and release orange-yellow masses. The leaves may become brown and dry as the plant continues to grow or becomes stressed.
If you find rust in your wheat, we recommend applying Trivapro® fungicide, which provides long-lasting control of stripe rust and leaf rust. One application of Trivapro delivers stronger residual control compared to competitive 1-pass and 2-pass programs.
It’s important to frequently check fields early in the season. Plants have a better chance at fighting stripe rust when it’s caught early and fungicides are applied at the appropriate time.
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