WSU Extension

Hortsense

Common Cultural : Air pollution
(revision date: 4/30/2013)


Biology
Generally, air pollution damage in the Pacific Northwest has been considered limited. Sulfur dioxide damage from large industrial emissions has been known to cause interveinal bleaching on dahlia, interveinal spotting on lilac, and needle banding on pine.
Management Options

Non-Chemical Management
None recommended
Select non-chemical management options as your first choice!

Chemical Management

None recommended

Images
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Caption: Air pollution damage on dahlia
Photo by: R.S. Byther
Caption: Air pollution damage on lilac
Photo by: R.S. Byther
Caption: Air pollution damage on pine
Photo by: R.S. Byther