College of Agriculture & Natural Resources

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  Improved degree-day maps on Enviroweather

  Published on April 19, 2017
  New maps provide more accurate and extensive growing degree-day information to users making pest and crop decisions.

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  Southwest Michigan fruit update – July 23, 2019

  Published on July 23, 2019
  Spotted wing Drosophila numbers jumped in the last week. Almost all our traps are catching flies in the double digits. Protect berries now.

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  Michigan Pesticide Applicator Core Review Sessions, RUP credits and MDARD testing for winter 2025 through spring 2026

  Published on October 7, 2025
  Essential information and frequently asked questions regarding the certification process, recertification options and the upcoming Michigan Pesticide Applicator Core Review Sessions with MDARD testing.

• East Michigan fruit update – May 15, 2018

  Published on May 15, 2018
  Apples are in bloom across the region. Apple growers across the southern two triers of counties have had a very long wetting event, making for tough conditions for apple scab and fire blight management.

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  Northwest Michigan apple maturity report — Sept. 13, 2017

  Published on September 13, 2017
  Northwest Michigan apples are approaching maturity, but harvest is still not in full swing. Fruit quality looks excellent.

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  Support from Project GREEEN helps Enviroweather deliver needed information to Michigan growers

  Published on March 27, 2024
  For more than two decades, Enviroweather has provided real-time weather information to help make farming decisions — dealing with pests, plant development and natural resources management.

• Northwest Michigan apple maturity report – September 21, 2016

  Published on September 22, 2016
  Honeycrisp, Gala and McIntosh have developed quickly in the last week; growers should be ready to pick Honeycrisp and Gala as soon as they can.

• West Michigan tree fruit update – May 9, 2017

  Published on May 9, 2017
  Cold weather brings slow tree development.

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  Southwest Michigan fruit update – Aug. 3, 2021

  Published on August 3, 2021
  Grapes are beginning veraison. Summer fruit harvest continues.

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  West central Michigan tree fruit update – April 5, 2022

  Published on April 5, 2022
  Trees are still dormant in west central Michigan.

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  Grand Rapids area apple maturity report – Sept. 22, 2021

  Published on September 22, 2021
  This is the seventh apple maturity report for the Grand Rapids, Michigan, region.

• East Michigan apple maturity report – Oct. 16, 2019

  Published on October 17, 2019
  Growers are harvesting a few Red Delicious strains, but there are several other varieties that have jumped ahead of Red Delicious in terms of maturity.

• East Michigan apple maturity report – Sept. 18, 2019

  Published on September 18, 2019
  Gala, second picking of Honeycrisp and Early Fuji are being harvested at most apple orchards across east Michigan. McIntosh harvest has been wrapped up at most farms, except those treated with ReTain.

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  Southwest Michigan fruit regional report – September 2, 2015

  Published on September 2, 2015
  Peach harvest is winding down and apple harvest is just beginning.

• Spotted wing Drosophila detections are increasing in fruit crops

  Published on June 19, 2012
  Monitor ripening fruit crops to know where and when to protect against spotted wing Drosophila, a new pest to Michigan.

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  Grand Rapids area apple maturity report – September 14, 2022

  Published on September 14, 2022
  Harvest is underway for Honeycrisp, Gala, and McIntosh this week.

• East Michigan fruit update – July 30, 2019

  Published on July 30, 2019
  Protection from spotted wing Drosophila infestation will need to continue to the end of harvest for tart cherries, summer red raspberries, fall raspberries and blueberries.

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  West central Michigan apple maturity report – October 9, 2024

  Published on October 9, 2024
  Aztec Fuji and EverCrisp are being harvested at some sites this week in the West Central region.

• Training apples for high density systems

  Published on June 7, 2013
  The window of opportunity to train apples growing in high density systems is approaching. This management tool influences flower bud initiation and can make a difference in developing a productive orchard.

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  Best practices for using ReTain to manage apple harvest

  Published on August 18, 2021
  New technical manual and training offered by Valent summarized applications for production regions across the country.