MIBST School 2025 Dates: Beet End 6/3-6/13/2025 * Sugar End 7/15-7/25/2025 * Ag School 6/23-6/26/2025 * Engineer School 10/27-10/30/2025

Michigan Cercospora Nursery 2025

April30 The Cercospora nursery was planted.
May12 The beets are emerging.
May29
The beets are at the two leaf stage and the stands look good.
June11 & 12
The nursery was thinned. The beets are growing well and receiving timely rains.
July1 The Cercospora leaf spot nursery was inoculated on July 1.
July2 Cercospora leaf spots were observed on a couple of highly susceptible sugar beet lines at the same research farm.
July30 We rated the nursery for the first time. Most ratings were between 1 and 3 with a few 4s.
August6
We rated the nursery. Ratings were mostly between 3 and 5 with a few 2s and one 6.
August14 We rated the nursey and ratings were between 3 and 8.
August20 We rated the nursery with ratings between 4 and 8. This is our last rating for the year due to regrowth.