College of Agriculture & Natural Resources

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  Apple Thinning Strategies 2022

  Published on May 10, 2022
  Tools available for a precise, date-driven approach to apple thinning.

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  Avoidance and Management of Nematode Problems in Tree Fruit Production in Michigan

  Published on November 23, 2015
  Michigan apple, cherry, and peach orchards that have previously produced profitable yields may not support adequate tree growth when replanted.

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  Michigan Crunch Guide

  Published on August 22, 2024
  The Great Lakes Great Apple Crunch encourages healthy eating and supports farm to school and other local food purchasing initiatives throughout the region.

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  Spotted Lanternfly – A Guide for Homeowners and Residents in Michigan

  Published on September 17, 2024
  A guide for Michigan homeowners and residents on spotted lanternfly, an invasive insect that has become established in several U.S. states including Michigan.

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  Michigan Crunch Guide for K-12 Schools

  Published on August 22, 2024
  The Great Lakes Great Apple Crunch encourages healthy eating and supports farm to school and other local food purchasing initiatives throughout the region.

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  Minimize Apple Bruising in the Packing Line

  Published on September 26, 2016
  Apples on the tree are generally free of bruise damage, but after traveling through a series of handling processes, apples in the retail store often show bruises.

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  A Pocket Guide for IPM Scouting in Stone Fruits

  Published on November 11, 2015
  A Pocket Guide for IPM Scouting in Stone Fruits. This plastic-coated scouting guide with its 3.25" by 5.0" pages fits in your pocket for easy use in the orchard.

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  2023 Predicted Apple Harvest Dates – Southwest Michigan Region

  Published on August 9, 2023
  The information below includes predicted dates for peak apple harvest in the southwest Michigan region.

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  Michigan Fruit Management Guide 2026

  Published on December 15, 2025
  This publication is a guide in assisting fruit growers in the selection of pest control tools for the coming growing season.

• Grand Rapids area apple maturity report – Sept. 4, 2019

  Published on September 4, 2019
  Early apple variety harvest is finishing up with Gala harvest on tap for next week.

• 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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  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 – 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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  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.

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  Northwest Michigan fruit regional report – July 12, 2016

  Published on July 12, 2016
  Managing tree fruit diseases is key following stormy weather and hail last week.

• West Michigan tree fruit update – June 13, 2017

  Published on June 13, 2017
  Hot weather requires irrigation for tree fruits.

• Southwest Michigan apple maturity report – Sept. 6, 2017

  Published on September 6, 2017
  Gala and Honeycrisp picking is underway. Light crop in some areas is speeding fruit harvesting.

• An early-season copper application will help avoid feeling “the blues” about diseases

  Published on March 19, 2012
  Learn the benefits and cautions of using copper for disease control on apples early in the season.

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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.