Published October 1995. A More recent revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
A thorough introduction to disease pathogens, signs and symptoms, and management. Nine chapters cover root diseases (Armillaria, annosus, etc.); stem decays (Indian paint fungus, red ring rot, etc.); rust diseases (stem rusts, broom rusts, etc.); other fungal diseases; mistletoes; abiotic diseases; and effects of forest practices such as thinning on...
Published October 1995. Reviewed September 2014. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
In summary, as detailed below in Section III, we recommend the 2007 Legislature put
Measure 37 back on the track of fair and honest compensation for all claimants, and corral the
threat to Willamette Valley agriculture at the same time, by providing as follows:
• Whether in the form of...
The study was conducted in order to obtain some understanding of the hydrologic characteristics of streamflow under dry weather conditions, and from this knowledge develop some means for prediction of seasonal-low streamflow quantities.
It was considered desirable to prepare "drought frequency plots" for a number of watersheds of varying sizes...
Recommendations are provided in this watershed analysis to identify actions and management decisions on the part of BLM that might improve watershed health in the Trask River watershed.
The condition of the sagebrush ecosystem has been declining in the Western United States, and greater sage-grouse (Centrocercus urophasianus), a sagebrush-obligate species, has experienced concurrent decreases in distribution and population numbers. This has prompted substantial research and management over the past two decades to improve the understanding of sage-grouse and...
Designing A Citizen Involvement Program presents a model and supportive materials that can be used to design and implement a program for involving citizens in decision-making that concerns significant environmental issues. These actions might be large-scale construction projects, such as building a dam, an electric power plant, or a nuclear...
Root disease fungi attack and destroy the tree’s root system, resulting in growth loss, decay, death, or wind throw of infected trees. Trees with root disease also are more susceptible to pests, especially bark beetles. On the other hand, root diseases are a component of the forest ecosystem and play...
Tree wounding can lead to decay in roots, stems, and branches of
trees. Wood decay is caused by various species of fungi that enter
trees through wounds or small branches.