Small Fruit and Hop Pathology News

Michigan grape scouting report – July 1, 2020

Published on July 1, 2020
Vinifera grape bloom is continuing in northern Michigan. Egglaying by the next generation of grape berry moth is expected to start soon in southwest Michigan.
Grapevine powdery mildew fungicide resistance survey

Published on June 30, 2020
Michigan State University is seeking help to conduct a survey for QoI/FRAC 11 resistant powdery mildew populations around the Great Lakes region.
Managing botrytis bunch rot in grapes

Published on June 24, 2020
New grape fact sheet on botrytis bunch rot offers a variety of tools to protect grapes.
Michigan grape scouting report – June 24, 2020

Published on June 24, 2020
Grape bloom has started in northern Michigan. Summer insect and disease management programs are starting in southern Michigan.
Michigan grape scouting report – June 17, 2020

Published on June 17, 2020
Vinifera grape bloom has started in southern Michigan. Disease control is still critical and berry moth catches are peaking.
Michigan grape scouting report – June 10, 2020

Published on June 10, 2020
Hybrid and juice grape bloom has started in southern Michigan. The warm weather has increased the number of phomopsis reports around the state.
Michigan grape scouting report – June 3, 2020

Published on June 3, 2020
The warm, wet weather means disease management is critical now. Prebloom webinar this Thursday, June 4.
Twig and blossom blights in Michigan blueberries

Published on June 2, 2020
Freezes and disease cause similar symptoms on blueberry plants. Here is what to look for in your field.
Managing hop powdery mildew in Michigan in 2020

Published on May 28, 2020
Fungicides applied for powdery mildew can help growers avoid a number of damaging cone diseases.
Blueberry growers need to focus on Anthracnose fruit rot as bloom ends

Published on May 28, 2020
During bloom, it makes sense to focus on managing fruit rot diseases, and new information and tools are available to help.