Forest Pest Conditions in the Pacific Northwest
Author | : |
Publisher | : |
Total Pages | : 20 |
Release | : 1970 |
Genre | : Forest insects |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 20 |
Release | : 1970 |
Genre | : Forest insects |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 48 |
Release | : 1980 |
Genre | : Forest insects |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 32 |
Release | : 1979 |
Genre | : Forest insects |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 328 |
Release | : 1958 |
Genre | : Forest insects |
ISBN | : |
Author | : Western Forestry and Conservation Association. Western Forest Pest Committee |
Publisher | : |
Total Pages | : 506 |
Release | : 1962 |
Genre | : Forest insects |
ISBN | : |
Author | : Ellen Goheen |
Publisher | : |
Total Pages | : |
Release | : 2021-08-02 |
Genre | : |
ISBN | : 9780578837499 |
Field Guide to the Common Diseases and Insect Pests of Oregon and Washington Conifers is a useful aid for forestry practitioners and conifer forest landowners in the Pacific Northwest. This handy guide is designed for use in field conditions and describes more than 100 biotic and abiotic agents, emphasizing key identification traits and illustrative photos. It includes general overviews of important agent groups, including bark beetles, root diseases, stem decays, canker diseases and rusts, dwarf mistletoes, foliar pathogens, and defoliating insects. Biotic agents are organized according to their primary association with one of three major tree parts: roots, stem and branches, or foliage. Abiotic and noninfectious diseases are listed in a separate section. Individual agent descriptions are provided in a two-page format with descriptive text facing a page containing multiple color images and a "key characters" box. Each description provides the insect or pathogen common and scientific names, hosts, and information on distribution and damage, identification, agents producing similar symptoms and signs, and severity. Also included are a color-coded quick tab feature at the front of the book, diagnosis tips, identification keys, drawings of bark beetle gallery patterns, agent comparison tables, references, glossary, and an index with embedded color-highlighted host-pest indexes for easy reference.
Author | : Ellen Michaels Goheen |
Publisher | : Forest Service |
Total Pages | : 342 |
Release | : 2006 |
Genre | : Gardening |
ISBN | : |
Author | : National Research Council (U.S.). Study on Problems of Pest Control. Forest Study Team |
Publisher | : |
Total Pages | : 184 |
Release | : 1975 |
Genre | : Nature |
ISBN | : |
Author | : Paul A. Dunham |
Publisher | : |
Total Pages | : 102 |
Release | : 2008 |
Genre | : Forest insects |
ISBN | : |
This report uses data from a network of forest inventory plots sampled at two points in time, annual aerial insect and disease surveys, and specialized pest damage surveys to quantify the incidence and impact of insects, diseases, and other damaging agents on Oregon's forests. The number and volume of trees damaged or killed by various agents is summarized. Differences in the frequency and severity of damaging agents between various ownership categories and geographic regions of the state are investigated.
Author | : Ole Terrence Helgerson |
Publisher | : |
Total Pages | : 96 |
Release | : 1986 |
Genre | : Forest insects |
ISBN | : |