Here is a picture of some cold injury on oats back in January. I’ve been looking at oats for grain and grazing across the county, and saw a good bit of cold injury. It was all of the sudden that everything just came out of it. This picture was taken in January, about a week after 20 degree weather. You can tell peanuts were planted this year. That tint looks like Barley Yellow Dwarf Virus from a distance, but the pattern is more nitrogen and color is cold. It was also more injured in the lower parts of the field.
Here is a picture of the same field today, February 22nd: