Archived - Spruce Aphid
Notice: The following publication has been archived and may not meet WCAG 2.1 accessibility standards. If you need an accessible copy, please contact us.
The spruce aphid, Elatobium abietinum, is destructive of the spruce forests, especially Sitka. Aphid numbers are greatest in February and March, before their damage is discovered. Where damage …
Revised: May 2008
Hurry! Only left in stock.
Related publications
-
4-H Tent Cards (You Are Someone Special)
Colorful display cards, 8.5 x 3.75 in.
Select options This product has multiple variants. The options may be chosen on the product page -
4-H Display Card 11 x 11
11 x 11 in. A pad of 10 white and green cards, used for displays.
Select options This product has multiple variants. The options may be chosen on the product page -
2022 Cost Estimates of Establishing, Producing and Packing Organic Gala Apples in Washington
Using these inputs, costs, and yields considered typical of a well-managed orchard, learn if producing Gala apple is feasible within your operation.
- Pages:
- 10
- Published:
- June 2016
- Revised:
- May 2023
- SKU:
- TB19E
Authors: -
A Guide to Washington State's Urban Tree Canopy
More than 80% of the nation’s population lives in urban areas. The urban tree canopy (UTC) is an essential part of an urban areas’ infrastructure—an ecosystem characterized by trees and other vegetati ...
- Published:
- December 2016
- SKU:
- EM107E
Authors:
