The Spruce Spider Mite In Fraser Fir

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If you have Fraser fir Christmas trees with off-color or chlorotic foliage, especially after a dry spell in the summer or fall, chances are you have damage from the spruce spider mite (Oligonychus ununguis) (SSM).

The link address is: http://www.ces.ncsu.edu/nreos/forest/xmas/ctn_029.html

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