MSU Extension Grapes

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  Grapes

  Resources for growing healthy wine and juice grapes in Michigan. Sign up for our e-newsletter for updates about integrated pest management, viticulture, research and events. Browse our web for videos, publications and more.

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• Leaf removal: A tool to improve crop control and fruit quality in vinifera grapes

  Published on January 19, 2017
  A video presentation of vinifera grape leaf removal funded by the Michigan Grape and Wine Industry Council.

• Implementation of alternative canopy management techniques in the NW and SW to improve fruit technological maturity of grapes grown in Michigan

  Published on May 21, 2019
  A 2018 Michigan Grape and Wine Industry Council funded research project.

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  A Pocket Guide for Grape IPM Scouting in North Central and Eastern U.S. (E2889)

  Published on November 11, 2015
  This scouting guide was developed as a pocket reference book for easy use in the vineyard.

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  A Mobile Guide for Grape IPM Scouting in North Central and Eastern U.S.

  Published on February 11, 2020
  This guide is available as a downloadable PDF that can be easily viewed on your mobile device and includes links that allow you to jump to certain pages of the guide.

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  Michigan Grape Facts: Managing Grapevine Leafroll Disease

  Published on April 27, 2020
  Grapevine leafroll disease is a major viticultural problem that can be found in every wine, juice and table grape-growing region in the world. Unfortunately, Michigan is no exception.

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  Integrated Pest Management Scouting in Perennial Agricultural Crops (E3295)

  Published on November 23, 2015
  Scouting and monitoring for pests is a critical step in quantifying potential damage that can be caused by a pest and aids in determining if intervention to control the pest is warranted.

• Biology and Management of Grape Mealybug

  Published on February 21, 2018
  Video presentation of biology and management of grape mealybug, funded by the Michigan Grape and Wine Industry Council.

• Michigan Vineyard IPM Extension Program

  Published on February 23, 2018
  Video presentation of the Michigan Vineyard IPM Extension Program, funded by the Michigan Grape and Wine Industry Council.

• Low Cost Vertical Flow Constructed Wetland Wastewater Treatment System for Small Wineries

  Published on May 21, 2019
  Video presentation of "Low Cost Vertical Flow Constructed Wetland Wastewater Treatment System for Small Wineries", funded by Michigan Grape and Wine Industry Council.

• Northwest Michigan fruit regional report – August 5, 2014

  Published on August 5, 2014
  Tart and sweet cherry harvest is ongoing and there have been few reports of insect and disease problems.

• Northwest Michigan fruit regional report – April 19, 2016

  Published on April 20, 2016
  The recent warmup kick-started tree development, and apple scab could be a concern with rain predicted later this week.

• Southeast Michigan fruit regional report – June 3, 2014

  Published on June 3, 2014
  Later than normal strawberry harvest is expected to begin mid-June and primary apple scab season is winding down, but continues.

• Michigan brown marmorated stink bug report for August 18, 2015

  Published on August 18, 2015
  Only one site near Stevensville, Michigan, is reporting brown marmorated stink bugs in traps this week.

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  Southwest Michigan fruit update – July 21, 2020

  Published on July 21, 2020
  Berry harvest continues. Peach and plum harvests have begun. Spotted wing Drosophila numbers are starting to climb.

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  Michigan grape scouting report – July 22, 2021

  Published on July 22, 2021
  Summer pests and diseases are here.

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  Southwest Michigan fruit update – Sept. 10, 2019

  Published on September 10, 2019
  Apple harvest is picking up steam.

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  Southwest Michigan fruit update – April 9, 2019

  Published on April 9, 2019
  With warmer weather in April, plant growth has started and buds are swollen.

• Southwest Michigan grape scouting report – July 12, 2016

  Published on July 12, 2016
  Disease pressure remains low and leaf-feeding pests are few. Apply contact insecticides now to control grape berry moth.

• Keep an eye on downy mildew in grapes

  Published on June 17, 2008
  

• Mid-season grape berry moth management

  Published on June 29, 2010