| | - Sudden Oak Death Facts
Sudden Oak Death is caused by a funguslike pathogen recently identified by UC scientists and named Phytophthora ramorum. Since its appearance in 1995, Sudden Oak Death SOD has killed hundreds of thousands of coast live oak, black oak, tanoak and Shre ...
http://news.ucanr.org/newsstorymain.cfm?story=439
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- The Forestry Images
Forestry Images has been under development for a number of years, and is the result of the efforts of a large number of people. In the mid1990s we recognized a need for quality photographs of forest insects and disease organisms to use in information ...
http://www.forestryimages.org/
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- The Gypsy Moth
A short account of this caterpillar pest of maples, oaks and elms. Like the tale of the sorcerer’s apprentice, the gypsy moth is an example of an experiment gone horribly wrong. The moth was brought to the United States in 1869 in a failed attempt to ...
http://www.gypsy-moth.com/
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- A Biocontrol System
The fungus Heterobasidion annosum is the most damaging root pathogen of coniferous trees in the Northern hemisphere. It progresses from the roots into the base of a tree, causing an economically important butt rot. Once established in a site, the fun ...
http://www.biology.ed.ac.uk/research/groups/jdeacon/microbes/heterob.htm
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- Sedelmeier Forestry Research
Sedelmeier Forestry Research Fund is a scientic and educational nonprofit corporation based in Washington State. Our primary goal is to provide funding for critical research into the causes, control, prevention, and the eventual elimination of some o ...
http://www.sedelmeierforestryresearchfund.org/
| | - Insects and Diseases of Forests
The Canadian Forest Service CFS is a sciencebased policy organization within Natural Resources Canada, a Government of Canada department that helps shape the important contributions of the natural resources sector to the Canadian economy, society and ...
http://www.cfl.scf.rncan.gc.ca/collections-cfl/home.html
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- The Task Force
Established in August 2000, the California Oak Mortality Task Force COMTF is a nonprofit organization, under the California Forest Pest Council, that brings together public agencies, other nonprofit organizations, and private interests to address Phy ...
http://www.cnr.berkeley.edu/comtf/
| | - The Tent Caterpillars
The eastern tent caterpillar Malacosoma americanum is more a nuisance than a threat. While heavy infestations can cause serious defoliation, eastern tent caterpillars rarely kill trees except those already weakened by disease or climate and environme ...
http://www.tent-caterpillar.com/
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- Focus on Woody Plant
Information by host plant on diseases and damages affecting trees and perennial flowers from the University of Illinois Extension. ...
http://urbanext.illinois.edu/focus/
| | - The Iron Chlorosis on Trees
Provides information on this condition, the most susceptible trees and recommendations for treatment. Affected leaves turn a yellowish color while the leaf veins remain a dark green. Iron chlorosis is caused by the plant not being able to obtain the ...
http://www.oznet.ksu.edu/dp_hfrr/extensn/problems/irnchlor.htm
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