College of Agriculture & Natural Resources

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  Northwest Michigan apple maturity report – September 14, 2022

  Published on September 14, 2022
  The region received rainfall this week, and this water will help improve size of apples. Growers are eager to begin harvest of standard varieties.

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  West central Michigan tree fruit update – June 20, 2017

  Published on June 20, 2017
  Update on growing degree-days, frost damage, tree fruit developmental stages, fungal diseases and insect pests for the tree fruit industry in west central Michigan.

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  EPA’s Vulnerable Species Action Plan may impact pesticide applicators in Michigan

  Published on November 11, 2024
  Pesticide applicators may experience label changes aimed at protecting particularly vulnerable endangered species.

• Southeast Michigan apple maturity report – Oct. 18, 2017

  Published on October 18, 2017
  Harvest is winding down for most apple growers, with several apple varieties being harvested including Red Delicious, Idared, Rome and Braeburn.

• Grand Rapids area apple maturity report – Sept. 6, 2017

  Published on September 6, 2017
  Cool temperatures are great for apple color development.

• East Michigan fruit regional report – May 3, 2016

  Published on May 3, 2016
  With cooler than normal temperatures over the last week, growth and development of our fruit crops have been at a standstill.

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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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  Southwest Michigan apple maturity report – Oct. 17, 2018

  Published on October 17, 2018
  Harvest of Fuji, Rome and Braeburn is the focus in southwest Michigan.

• Grand Rapids area apple maturity report – September 17, 2014

  Published on September 17, 2014
  Forward movement in apple maturity is quite slow.

• Southeast Michigan fruit regional report – Aug. 20, 2013

  Published on August 20, 2013
  Crumbly raspberry disorder, necrotic leaf blotch and bitter pit in apples are starting to be seen at southeast Michigan fruit farms, and spotted wing Drosophila trap catches rise sharply.

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  Grand Rapids area tree fruit update – July 23, 2024

  Published on July 23, 2024
  Early apple variety harvest is starting in the area.

• Northwest Michigan fruit regional report – April 15, 2014

  Published on April 15, 2014
  Sap is flowing, but trees and vines remain dormant in this cool weather.

• Apple frost guide for 2017

  Published on May 5, 2017
  Activities you can do to help minimize the potential damage of frost to apple orchards.

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  Southwest Michigan fruit update – June 25, 2019

  Published on June 25, 2019
  Strawberry harvest continues. Grape bloom is ending.

• East Michigan fruit update – June 13, 2017

  Published on June 13, 2017
  Strawberry harvest continues across the region, although some farms have limited picking due to poor fruit quality. Soils remain dry at most farms.

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  Southwest Michigan fruit update — April 24, 2018

  Published on April 24, 2018
  Fruit crops are still waiting for warm weather to move toward bloom. Fruit crop potential is generally very good.

• Codling moths: Thinking about Enviro-weather model and hot and cold temperatures

  Published on June 11, 2013
  With fluctuating warm and cold temperatures, setting a biofix date for codling moths may be difficult.

• Reduction of overwintering inoculum in orchards with apple scab

  Published on September 8, 2011
  Cultural controls reducing apple scab-infected leaf litter prepare the orchard for more effective control next year.

• East Michigan fruit update – April 10, 2018

  Published on April 10, 2018
  Late winter weather continues to hold back development of fruit crops in east Michigan.

• Starch chart for Honeycrisp apple fruit

  Published on August 29, 2012
  New starch chart available from Washington Treefruit Research Commission specifically for Honeycrisp apples.