Common Cultural: Air pollution
Photo by: R.S. Byther
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 pin
Management Options
See "Using Integrated Pest Management (IPM) in the Landscape" for successful problem management techniques.
Non-chemical Management
Select non-chemical management options as your first choice!
- None recommended.
Chemical Management
IMPORTANT: Always read and follow label directions when working with pesticides.
- For more information on using pesticides visit Home and Garden Fact Sheets | Pesticide Resources and Education Program | WSU.
- Also visit Pacific Northwest Pest Management Handbooks.
- None recommended
Additional Images
Photo by: R.S. Byther
Photo by: R.S. Byther
WSU Extension programs and employment are available to all without discrimination.
Evidence of noncompliance may be reported through your local Extension office.