College of Agriculture & Natural Resources

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  Using climatology to estimate first freezing temperatures of the fall season

  Published on August 30, 2019
  Statistics help narrow down the timing of first freezing temperatures across Michigan.

• Managing western flower thrips in peaches and nectarines

  Published on June 29, 2010
  In Michigan, western flower thrips are most visible as a pest in peach, where late season feeding by thrips results in “silvering” and defuzzing of peaches in the weeks leading up to harvest.

• East Michigan fruit update – July 21, 2020

  Published on July 21, 2020
  Two precipitation events moved over the region in the past week, bringing some much-needed relief to drought. Summer red and black raspberry and blueberry harvest continues.

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  Michigan brown marmorated stink bug report for August 4, 2015

  Published on August 4, 2015
  First brown marmorated stink bugs captured this season from traps at two urban sites and one apple orchard in Berrien and Kent counties at known hotspots.

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  Southwest Michigan fruit update – April 25, 2023

  Published on May 2, 2023
  Growers have been watching the cool morning temperatures closely, but no significant damage has been reported so far.

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  Southwest Michigan fruit regional report – August 2, 2016

  Published on August 2, 2016
  Veraison is starting in grapes. Many late-season pests are flying. Blueberry, peach and plum harvest continues.

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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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  Irrigation management: Measuring soil moisture and application uniformity

  Published on June 23, 2016
  Measure soil moisture and irrigation equipment output to ensure timely application of the right amount of water uniformly across your field.

• Michigan spotted wing Drosophila report for Aug. 13, 2013

  Published on August 13, 2013
  Spotted wing Drosophila catches are increasing in fields and orchards where harvest is completed and insecticide residues are minimal.

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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.

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  Southeast Michigan fruit update – June 2, 2025

  Published on June 5, 2025
  Cover sprays and upcoming rain are taking place in southeast Michigan.

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  Southeast Michigan fruit update – July 22, 2025

  Published on July 22, 2025
  First plums are being harvested while berries and early peaches continue. Apple harvest prediction dates available.

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  Esfenvalerate is losing its efficacy against oriental fruit moth in Michigan

  Published on February 2, 2018
  Research conducted in 2017 provides new information on the use of esfenvalerate to manage oriental fruit moth.

• West Michigan tree fruit update – May 9, 2017

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

• Southwest Michigan fruit regional report – April 15, 2014

  Published on April 15, 2014
  Fruit is off to a slow start as temperatures warm slowly in the southwest region.

• Working in confined space on farms requires safety planning

  Published on February 17, 2011
  Farms with confined-space hazards need to plan ahead to protect workers.

• Winter cold hardiness in Michigan fruit crops

  Published on January 16, 2013
  Michigan fruit plants are well adapted to withstand a Michigan winter.

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  New growing degree-day maps on Enviro-weather

  Published on May 24, 2016
  Interpreting the newly revised growing degree-day maps on MSU Enviro-weather.

• Southeast Michigan fruit regional report – July 14, 2015

  Published on July 14, 2015
  Summer red raspberry and blueberry harvest continues, cherry harvest is wrapping up and some apple blocks have high populations of obliquebanded leafrollers.

• Southeast Michigan fruit regional report – May 5, 2015

  Published on May 5, 2015
  Warmer temperatures last week brought stone fruits into bloom, soon to be followed by apples, pears and blueberries. Soils remains very dry across most of east Michigan.