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University of California Cooperative Extension: Sudden Oak Death Facts - http://news.ucanr.org/newsstorymain.cfm?story=439
Provides practical information on this disease including distribution, symptoms, prevention, quarantines and look-alike diseases. |
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Focus on Woody Plant Diseases - http://www.urbanext.uiuc.edu/focus/
Information by host plant on diseases and damages affecting trees and perennial flowers from the University of Illinois Extension. |
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Forest and Shade Tree Pathology - http://www.forestpathology.org/
Online textbook, news and upcoming meetings of forest pathology. |
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USDA Forest Insect and Disease Leaflets - http://www.na.fs.fed.us/spfo/pubs/fidlpage.htm
USDA technical publications that address specific tree pests and diseases, including identification and control. |
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Plant disease diagnostics (Minnesota) - http://www.extension.umn.edu/projects/yardandgarden/diagnostics/
Plant disease diagnostics by the University of Minnesota Extension Service. Mainly designed for plant disease problems in yards and gardens. It is based on visual observations of symptoms. It has a section on trees that might be useful in forestry. |
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Asian Longhorned Beetle - http://www.asian-longhorned-beetle.com
Brief account of the introduction of this Chinese insect into North America, and with a list of the affected species. |
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Gypsy Moth - http://www.gypsy-moth.com
A short account of this caterpillar pest of maples, oaks and elms. |
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Pine Root Rot: A Biocontrol System - http://www.biology.ed.ac.uk/research/groups/jdeacon/microbes/heterob.htm
Information on the use of the weakly parasitic fungus, Phlebiopsis gigantea, to prevent the attack of the pathogenic fungus, Heterobasidion annosum. |
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Brown Spruce Longhorn Beetle - http://www.brown-spruce-longhorn-beetle.com
Brief account of this pest of spruce trees, its growth, and means of control. |
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Insects and Diseases of Eastern Canada's Forests - http://www.cfl.scf.rncan.gc.ca/collections-cfl/home.html
An extensive collection of images and a variety of information on the main insects and diseases of the forests of Quebec and Eastern Canada. |
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Iron Chlorosis on Trees - http://www.oznet.ksu.edu/dp_hfrr/extensn/problems/irnchlor.htm
Provides information on this condition, the most susceptible trees and recommendations for treatment. |
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Tent Caterpillars - http://www.tent-caterpillar.com
The Eastern tent caterpillar affects black cherry trees and other fruit and shade trees. The forest tent caterpillar infests hardwood trees such as sugar maple and oak. |
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Iron Chlorosis in Trees - http://www.oznet.ksu.edu/library/FORST2/MF718.PDF
The symptoms, diagnosis and correction of this condition. |
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Dutch Elm Disease - http://www.hfrr.ksu.edu/DesktopModules/ViewDocument.aspx?DocumentID=1619
Provides information on this disease caused by Ophiostoma ulmi, its host plants, symptoms and recommendations. |
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Oak Wilt - http://www.hfrr.ksu.edu/DesktopModules/ViewDocument.aspx?DocumentID=1673
Information on this disease caused by the fungus Ceratocystis fagacearum, its hosts, symptoms and recommendations for control. |
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Sedelmeier Forestry Research Fund - http://www.sedelmeierforestryresearchfund.org/index.html
Provides funding for critical research into the causes, control, prevention, and the eventual elimination of some of the diseases that affect the trees of our forests. |
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Monitoring Sudden Oak Death - http://kellylab.berkeley.edu/SODmonitoring/
Created by the University of California's Sudden Oak Death Research Team, this site monitors the distribution of the disease. |
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Key to the Forest Insect Pests of Papua New Guinea - http://www.fzi.uni-freiburg.de/InsectPestKey-long%20version/index.htm
Allows the identification of the most important forest insect pests of Papua New Guinea and includes descriptions of insect signs, preventive measures, bibliographic references and a comprehensive glossary of terms |
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Problem: Galls - http://www.hfrr.ksu.edu/DesktopModules/ViewDocument.aspx?DocumentID=1634
Provides information on these abnormal growths caused by insects and recommendations on control. |