The Value of Christmas Trees

"...there is no reason why the joy associated with the Christmas evergreen may not be a means of arousing in the minds of children an appreciation of the beauty and usefulness of trees; and keen appreciation of the beauty and usefulness of trees is a long stop toward the will to plant and care for them (Arthur Sowder, US Forest Service, 1949)."

Friday, January 8, 2010

Updates on Web Site

In November I updated a lot of Christmas tree notes on the Christmas tree web site ( based on new approaches to pest control in Fraser fir. I'll go into some of the on-going research in later posts, but I wanted to make sure that everyone knew what was new so they could take a look at them. They are:

CTN #8: Control of Root Feeding Insects in Fraser Fir Christmas Trees

CTN #19: Balsam Twig Aphid on Fraser Fir

CTN #20: Balsam Woolly Adelgid

CTN #29: Spruce Spider Mite on Fraser Fir

CTN #34: Rust Mites on Christmas Trees

Cinara aphids on Christmas Trees in North Carolina

What are the main changes?
  1. Updates on which pesticides are available -- we've lost some and added some.
  2. Recommendations for controlling twig aphids in the fall.
  3. Using horticultural oil in mid March to control twig aphids, mites and woollies.
  4. Root dips for white grub control.
There are more updates that will hopefully be ready this spring. If you ever find any broken links on this web site, please let me know!

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