The first reports of stripe rust in Ontario came from south of St. Mary’s yesterday. Disease pressure is low however, being proactive is KEY to managing this disease. Later planted fields with susceptible varieties would be the ones to watch first. Significant yield losses can occur if not managed swiftly. Read more to find how to effectively manage stripe rust.
In general, the 2018 wheat crop is relatively clean from a disease standpoint. Some earlier planted fields with a nice thick canopy do have some powdery mildew however the pressure remains low. There are some fields with low levels of septoria leaf spot as well. If a T1 fungicide was applied, these early season diseases were well looked after.
Knowing what stage your crop is at is critical for fungicide considerations.
What could 2750 CHU have to do with wheat at the end of April? Well, in an informal evaluation of wheat stands through Oxford Perth and Middlesex counties APR 25 last week……..
All of the highest yielding wheat fields in Ontario will be protected by a combination of two fungicides. Your wheat crop did not slow down much in the face of this cool and wet weather. Your choice will depend how thick your crop is, and how susceptible …