College of Agriculture & Natural Resources

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  Southwest Michigan fruit update – July 25, 2023

  Published on July 25, 2023
  Insects and diseases are active in area fruit crops.

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  Southwest Michigan fruit update – May 23, 2023

  Published on May 23, 2023
  Plum curculio damage is being seen. Oriental fruit moth and codling moth flight is underway. Grape berry moth biofix is expected soon.

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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.

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  Southeast Michigan fruit update – August 19, 2025

  Published on August 21, 2025
  Red Haven harvest, early apples and veraison in grapes.

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  Upcoming research projects from Michigan State University scientists that will support Michigan fruit industries

  Published on June 17, 2024
  This list highlights exciting new projects from the MSU fruit team. Although research results take time to be translated to new Extension recommendations, MSU scientists continue gathering meaningful data on primary problems facing Michigan growers.

• Codling moth back to normal in 2015

  Published on May 28, 2015
  Current pheromone trapline data suggests codling moth populations and pest pressure will be normal this summer.

• Control options for mites in fruit crops

  Published on May 3, 2011
  There are many pesticides to control mites but their performance varies. This table will help you select the right product for your needs.

• Codling moth is back with a vengeance in 2014

  Published on June 3, 2014
  Recent trap data suggests that codling moth populations will be heavy, and management action will be required.

• Specialty crop and minor-use pesticide prioritization at the 2013 IR-4 Food Use Workshop

  Published on October 16, 2013
  Participants identified the most important research projects for the 2014 IR-4 food-use research program during the 2013 IR-4 Food Use Workshop in Albuquerque, N.M.

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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.

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  Southwest Michigan fruit regional report – April 19, 2016

  Published on April 19, 2016
  Fruit buds have burst and leaves and flowers are emerging quickly. Growers have protectant sprays on before the rains later this week.

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  Southwest Michigan fruit regional report – August 12, 2014

  Published on August 12, 2014
  Soils are very dry in southwest Michigan and spotted wing Drosophila numbers are up sharply.

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  Southwest Michigan fruit regional report – June 30, 2015

  Published on June 30, 2015
  Sweet cherry harvest is underway with an excellent crop expected. Raspberry and blueberry harvest is just beginning.

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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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  Grand Rapids area tree fruit update – July 19, 2022

  Published on July 19, 2022
  Hot, dry weather for the remainder of July.

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  Grand Rapids area tree fruit update – August 23, 2022

  Published on August 23, 2022
  Conditions this week were mostly clear and near or slightly warmer than normal.

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  Get ready: Farm Policy & Risk Management Series resumes in 2026

  Published on December 4, 2025
  Don’t miss out on information that can help protect your farm and boost your bottom line.

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  Grand Rapids area tree fruit update – July 13, 2021

  Published on July 13, 2021
  Warm, wet conditions this week will give way to hot dry conditions next week.

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  Grand Rapids area tree fruit update – May 24, 2022

  Published on May 24, 2022
  After a record-setting warm week, expect a return to cooler than normal conditions.

• Michigan brown marmorated stink bug report for September 29, 2014

  Published on September 30, 2014
  More activity was reported this week, but except for a few hotspots, trap catches remain very low. More reports of aggregations on commercial and residential buildings are coming in from urban and suburban sites across Lower Michigan.