MSU Extension Christmas Trees

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  Christmas Trees

  MSU Extension’s programming for Christmas tree growers utilizes field educators, campus-based specialists and researchers to provide educational programming.

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  Michigan conifer growers: Take our new online survey!

  Published on March 6, 2018
  This simple, quick and anonymous survey will help Michigan State University Extension serve conifer growers better.

• Frost and freeze protection for nursery crop

  Published on March 16, 2012
  These techniques can help nurseries reduce late frost damage when Michigan temperatures return to normal.

• Over-wintering Douglas-fir midges are emerging

  Published on May 11, 2012
  Douglas-fir needle midge infestations can cause severe needle loss and trees to be unsalable at harvest. Timing your pesticide application at emergence is critical for control.

• Spruce gall midge

  Published on May 1, 2009
  

• Ornamental plant nurseries need to understand costs to remain profitable (Part 1)

  Published on October 28, 2011
  MSU Extension educators can assist nursery growers to understand their financial situation in today’s new economic times with the help of new low-cost financial management software.

• Forestry insect update

  Published on August 24, 2007
  

• Pre-emergence herbicides for use in Christmas tree plantations

  Published on April 18, 2008
  

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  Winter damage on conifers beginning to show up

  Published on April 13, 2018
  Browning conifers may be due to winter injury.

• Yellowheaded spruce sawfly

  Published on June 18, 2010
  

• Start scouting for spruce spider mites

  Published on August 25, 2006
  

• Understanding Cost of Production Helps Christmas Tree Producers Maximize Profits and Manage Risk

  Published on May 1, 2014
  Knowing cost of production and break-even sales price is one key to keeping Christmas tree producers in business.

• Scouting for abiotic diseases: Fall needle drop

  Published on September 21, 2007
  

• Spring clean up

  Published on April 4, 2008
  

• Spruce bud scale attack several types of spruce

  Published on June 11, 2010
  

• Clipping infested galls or terminal leaders

  Published on June 16, 2006
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• Managing Diplodia tip blight

  Published on May 11, 2012
  Diplodia tip blight fungus can kill the current year shoots of Scotch pine, Austrian pine and, occasionally, spruce.

• Pine bark adelgid becoming active in white pines

  Published on April 12, 2013
  Know how to identify pine bark adelgids and what chemical control measures are required if needed to protect tree health.

• Timing is critical for white pine weevil control

  Published on April 12, 2013
  Timing for white pine weevil control is very important, yet may be difficult to determine. The optimum control window is after overwintering adults emerge, but before they begin to feed and lay eggs on the terminal.

• Balsam twig aphids: Scout now if you had problems with these aphids last year

  Published on March 16, 2012
  Growers that had Fraser or balsam fir trees that were heavily damaged by balsam twig aphid last year should be scouting now.

• Keep an eye out for sawflies on your conifers

  Published on June 19, 2009