College of Agriculture & Natural Resources

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  A Pocket Guide for IPM Scouting in Stone Fruits (Spanish)

  Published on November 11, 2015
  Actual Title - "Guia de Bolsillo para la Inspeccion de Plagas de las Frutas de Hueso bajo Manejo Integrado de Plagas"

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  Sweet Cherry Pest Guide

  Published on April 30, 2024
  This table serves as a season-long guide for when various pest life stages are expected and the best time to target management strategies based on an average year.

• Michigan spotted wing Drosophila report for July 30, 2013

  Published on July 30, 2013
  Sharp increase in spotted wing drosophila captures in the past week in southern Michigan counties, and first detection of infestation in unsprayed cherries.

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  Southwest Michigan fruit update – May 28, 2024

  Published on May 28, 2024
  Warm weather is increasing insect activity in area fruit plantings.

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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.

• East Michigan fruit update – April 14, 2020

  Published on April 14, 2020
  Cold temperatures over the last week have slowed growth of flower and leaf buds in all fruit crops.

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  Cherry fruit fly monitoring and management

  Published on June 10, 2014
  It’s time to monitor for cherry fruit flies in Northwest Michigan cherry orchards.

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  Southwest Michigan fruit update – Sept. 19, 2018

  Published on September 19, 2018
  It’s been a warm, dry week as apple harvest gains momentum. Grape harvest is beginning.

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  How do pre-plant soil treatments improve growth and control nematodes in cherry orchards?

  Published on May 29, 2025
  Pre-plant soil treatments, including fumigants, nematicides and organic amendments, improve tree growth and reduce harmful nematode populations, offering promising solutions for managing orchard replant disease in Michigan cherry systems.

• East Michigan fruit update – April 9, 2019

  Published on April 9, 2019
  There’s been good amount of growth of our fruit crops in the last few days, with a few crops showing the first signs of early green tip. The sod in orchards is starting to green up.

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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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  Watch the 2019 Spotted Wing Drosophila Summit presentations online

  Published on February 4, 2020
  Did you miss the 2019 Spotted Wing Drosophila Summit? View the presentations online!

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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.

• 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.

• European brown rot fungus spore levels are high in tart cherry orchards with carryover inoculum

  Published on May 15, 2014
  After examining European brown rot strikes from tart cherry tree samples in Northwest Michigan, extensive sporulation was observed, particularly at the base of dead flowers infected last year. Initiate control sprays at popcorn this year.

• 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 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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  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.

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  Michigan spotted wing Drosophila report for July 28, 2015

  Published on July 28, 2015
  Summer increase of spotted wing Drosophila is in full swing in all fruit production regions in Lower Michigan. Ripening susceptible crops need to be protected.