Overview. A number of insects, diseases, and other damaging agents can affect the health and vigor of aspen.This portal identifies literature, syntheses, and web links about diseases. If you are aware of links or references that you think should be add to this web page, please submit them to webmaster@aspensite.org
Aspen and Poplar Leaf Spots is one of many publications dealing with aspen diseases produced by Colorado State University Cooperative Extension
Cankers on Western Quaking Aspen (David Johnson, et al.) is published by the United States Forest Service (Forest Insect & Disease Leaflet 152).
Hypoxylon Canker of Aspen, by Ralph L. Anderson et al, is another publication from the United States Forest Service (Forest Insect & Disease Leaflet 6).
Aspen Leaf Spotis another publication about leaf spots. This one is published by Utah State University. (Utah Plant Disease Control No. 26)
Aspen and Poplar Leaf and Twig Blight is a paper produced by the Canadian Forest Service. it focuses on Venturia macularis ("Shepherd's crook" symptoms.) and Venturia populina
Frost Damage of Poplars is a paper produced by the Canadian Forest Service. It focuses on frost damage
Decay and Discoloration of Aspen. About the many pathogens attacking aspen that cause decay and wood discoloration.m USDA Forest Service Eastern Forest Insect and Disease Leaflet
Aspen leaf miners Tiny insects that turn quaking aspen leaves into silvery medallions, have been thorough in their coverage of interior Alaska the past few years. From an infestation that covered 1,400 acres in 2000, the insects expanded to 584,405 acres in 2004, according to forest health specialists.(Alaska Science Form)