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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  Registration is open for 2018 Northwest Michigan Wine Grape Spring Kickoff on April 13

  Published on March 13, 2018
  Internationally renowned enology and viticulture experts will educate Michigan grape and wine producers on virus management, promoting living soils in the vineyard, and building and integrating structure and aroma in the cellar. Don't miss this event!

• Northwest Michigan fruit update – June 13, 2017

  Published on June 13, 2017
  Fruit are sizing and recent stormy weather has been a concern for disease management.

• Preventing grape Phomopsis infection of rachis and fruit

  Published on June 14, 2011
  Susceptible varieties of grapes are showing cane and leaf lesions.

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  Southwest Michigan fruit update – 2020 review

  Published on November 24, 2020
  Freezes in April and May damaged many crops. A dry summer kept disease pressure down in most fruits. Crop quality and volumes were generally good.

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  Michigan spotted wing Drosophila report for June 20, 2017

  Published on June 20, 2017
  More spotted wing Drosophila have been caught in monitoring traps, with higher catches at minimally-managed sites in southwest Michigan. Monitor for this pest when crops become susceptible.

• Michigan drought update for August 9, 2012

  Published on August 9, 2012
  More improvement with cooler temperatures and chances for rain is expected during the next week.

• Northwest Michigan fruit regional report – July 28, 2015

  Published on July 28, 2015
  Tart cherry harvest is in full swing and quality remains quite high despite high winds and the recent heat.

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  Southwest Michigan fruit update – April 11, 2017

  Published on April 11, 2017
  Bloom opened in apricots and plums during the warm weekend. Avoid spraying open bloom during the middle of the day. Insecticides should not be used during bloom.

• Northwest Michigan fruit regional report – June 14, 2016

  Published on June 14, 2016
  Fire blight symptoms have appeared in apple orchards and growers are actively protecting trees, fruit, and foliage from diseases prior to a possible thunderstorm on Wednesday.

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  Southwest Michigan fruit regional report – July 22, 2014

  Published on July 22, 2014
  Apricot, blueberry and raspberry harvest are in full swing across the region, while peach and plum harvest are beginning. Spotted wing Drosophila numbers continue to climb.

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  MSU Enviroweather serves Michigan grape and wine industries

  Published on May 8, 2017
  Video presents how grape growers can use MSU Enviroweather, a weather-based information system for pest and vineyard management.

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  Southwest Michigan fruit regional report – June 23, 2015

  Published on June 23, 2015
  Rains have stopped strawberry harvest. Sweet cherry, raspberry and blueberry harvest is just beginning.

• East Michigan fruit update – April 28, 2020

  Published on April 28, 2020
  Fruit growth stages have been at a standstill due to cold temperatures. Another round of recent freezing temperatures resulted in more flower bud damage in sweet and tart cherries and a few other fruit crops.

• East Michigan fruit update – May 9, 2017

  Published on May 9, 2017
  Frosty conditions for the last four mornings have concerned some fruit growers. Cold temperatures over the last week have dramatically slowed growth of fruit crops as well as insect development.

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  Northwest Michigan vineyard update – Aug. 15, 2019

  Published on August 15, 2019
  Pathogens are here and veraison is coming, so sample petioles for a sneak peek at vine nutrient status.

• Accessing growing degree days with Enviro-weather

  Published on May 23, 2013
  Understanding and using accumulated growing degree days can help you know when to expect pests. This is one of the services Enviro-weather offers Michigan growers.

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  10 things to think about before establishing pollinator habitat

  Published on June 8, 2016
  Reduce the confusion about pollinator habitat options with this guide and an upcoming event.

• East Michigan fruit update – June 6, 2017

  Published on June 6, 2017
  Strawberry harvest is underway for growers in the southern parts of the region and will begin over the weekend or early next week for others. Soils are dry at many farms.

• Food Safety Modernization Act proposed produce safety rule open for comment

  Published on February 1, 2013
  Fresh market produce growers now have the opportunity to see and comment on the proposed produce safety rules issued by the FDA.

• Michigan winery tourism reaches new heights

  Published on April 30, 2013
  Two million people expected to visit Michigan wineries in 2013.