https://extension.uga.edu/publications/detail.html?number=B1286&title=Key%20to%20Diseases%20of%20Oaks%20in%20the%20Landscape

The following key will help you identify common diseases of oak trees. ... Tan, crusty spots associated with leaf puckering; seen in the fall (Oak Leaf Blister), view ...

https://www.fs.usda.gov/naspf/sites/default/files/publications/9190_fh_howtorecoakdis_508.pdf

Bottom left: Oak leaf blister leaf symptoms. Bottom right: Botryosphaeria twig canker symptoms. Acknowledgements. The author thanks Joseph O'Brien, Sandra ...

http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/Visual%20Guides/Oak%20Problems.pdf

Red-black oak group (top image): Leaves have pointed lobes. (when present) ... mat appears, all problems causing dieback could be confused with this disease ...

https://www.extension.iastate.edu/news/2006/jul/070301.htm

Careful observers have noticed that some of the leaves on white oak trees appear more ... Anthracnose is a fancy term for a leaf spot or leaf blight disease. ... Pictures or digital images are very helpful in diagnosing oak problems, but are not a ...

https://extension.psu.edu/oak-diseases

Jul 31, 2016 ... Anthracnose, During wet weather, young leaves are blighted as bud break occurs or large dead areas form between the leaf veins primarily on ...

https://homeguides.sfgate.com/common-oak-tree-diseases-40025.html

The mighty oak is subject to several diseases, some of which are nothing ... Oak leaf blister -- also called leaf curl -- occurs when the leaves are flush and the ...

http://ceventura.ucanr.edu/newsletters/Vol_19,No4_-_December_200629825.pdf

Dec 14, 2006 ... Summer watering can predispose oaks to various diseases, but only if a ... loss can be a normal phenological change (leaves drop from the ...

http://www.davey.com/arborist-advice/articles/oak-wilt/

Oak wilt is an aggressive, tree-killing disease of oaks. ... Early foliar symptoms are wilting, bronzing and shedding of the leaves at the ends of branches in the ...

https://www.hunker.com/13428772/why-are-there-no-acorns-on-my-oak-tree

Aug 10, 2018 ... These diseases can form if you don't take care of your oak trees. ... Oak tree blister can be detected on the top and bottom of the tree's leaves.

https://go.illinois.edu/ExtensionOakReport

smooth lobed leaves that lack bristly tips and produce acorns that mature in .... On oak, this disease is caused by the pathogen, Taphrina caerulescens. Although ...