MSU Extension Turf

News

• Bagworms extend their reach northward

  Published on July 29, 2011
  Although considered to be a southern pest, bagworms can cause serious defoliation injury to Michigan trees.

• Unfounded fear of cicada killers

  Published on July 29, 2011
  Although large and fearsome in appearance, cicada killers are pretty much mild mannered and need not be killed.

• Two more spruce problems that are not herbicide related

  Published on July 29, 2011
  Cooley spruce adelgid and spruce needle rust result in browning of current year’s growth on spruce and may be mistaken for Imprelis damage.

• Spruce tree disease symptoms are associated with fungal pathogens and are progressing through time

  Published on July 29, 2011
  What’s causing the stress that’s allowing the pathogens Phomopsis and Diplodia to attack and kill branches on spruce trees in Michigan?

• Spruce tree problem shows symptoms of both needlecast and branch death

  Published on July 22, 2011
  Although needlecast and branch death will have to be treated in the spring, take this time to learn more about managing these issues and be prepared for what to do next spring.

• The heat is on

  Published on July 21, 2011
  With temperatures in the high 90s and the heat index well above 100°F, many are wondering how long this heatwave will last.

• Online IPM educational sessions now available

  Published on July 18, 2011
  IPM3 is now offering online educational session in a number of IPM related topic areas.

• Toxic mulch: When wood chips go bad

  Published on July 15, 2011
  A sour smell coming from your mulch could be the result of acids and other compounds. Use the proper precautions before placing in beds, especially during hot weather.

• White pine weevil damage on conifers is causing wilted leaders

  Published on July 15, 2011
  White pine weevils are damaging conifers in Christmas tree fields and landscapes, causing the current year's growth on the leader to wilt, droop and eventually die.

• Scout trees now for spruce needle rust

  Published on July 15, 2011
  Spruce needle rust can cause spruce trees to lose 25 to 75 percent of their new needles. Know how to reduce the impact of spruce needle rust to your Christmas tree fields and landscape.