Small Fruit and Hop Pathology News

Michigan grape scouting report – May 27, 2020

Published on May 27, 2020
Vines are growing quickly. The warm, wet week means disease management is critical.
Managing hop downy mildew in Michigan

Published on May 6, 2020
Downy mildew management requires early and consistent preventative management.
Managing grapevine leafroll disease

Published on April 27, 2020
New grape fact sheet on grapevine leafroll disease management now available.
Mummy berry has returned and new products are available for control

Published on April 21, 2020
Early season fungicide choices influence mummy berry control. Consider your management options.
New Michigan Blueberry Facts on Alternaria fruit rot now available

Published on April 18, 2020
Strategies for managing Alternaria fruit rot in blueberries.
Mobile-friendly guide for grape IPM scouting is now available

Published on February 13, 2020
This important grape pest identification management tool can be downloaded for free to view on smart phones and tablets.
MSU vineyard IPM scouting report – Oct. 9, 2019

Published on October 9, 2019
Most grapes are harvested in southwest Michigan and wine grape harvest is underway in northwest Michigan. Weather delays have been altering harvest windows and we are noticing benefits in reflective strips in vineyards.
MSU vineyard IPM scouting report – Sept. 25, 2019

Published on September 25, 2019
With grapes being harvested, efficacy of insect and disease control programs can be evaluated for 2019.
MSU vineyard IPM scouting report – Sept. 11, 2019

Published on September 11, 2019
Grapes are past veraison and the berries are ripening throughout Michigan. We are approaching harvest for many varieties. There is high disease and insect pressure throughout many vineyards.
MSU vineyard IPM scouting report – Aug. 28, 2019

Published on August 28, 2019
Grape clusters are ripening across Michigan, so prepare for harvest. The earliest cultivars are starting harvest this week, while some have a long way to go.