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  2. Taphrina caerulescens - Wikipedia

    en.wikipedia.org/wiki/Taphrina_caerulescens

    Taphrina caerulescens is a species of fungus in the family Taphrinaceae. It is a pathogenic Ascomycete fungus that causes oak leaf blister disease on various species of oak trees (Quercus spp.). The associated anamorph species is Lalaria coccinea, described in 1990. [2] This disease causes lesions and blisters on Oak leaves.

  3. Oak wilt - Wikipedia

    en.wikipedia.org/wiki/Oak_wilt

    Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. . The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree remo

  4. Phytophthora ramorum - Wikipedia

    en.wikipedia.org/wiki/Phytophthora_ramorum

    The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe. Symptoms include bleeding cankers on the tree's trunk and dieback of the foliage , in many cases leading to the death of the tree.

  5. Botryosphaeria corticola - Wikipedia

    en.wikipedia.org/wiki/Botryosphaeria_corticola

    Botryosphaeria corticola can be managed in high value trees, but there is no current management for forest trees. Carbendazim and thiophanate-methyl have shown to prevent infection in cork oak in Europe, where it is applied after cork has been harvested. Sanitation is the most common management technique for this disease. [13]

  6. Aleurodiscus oakesii - Wikipedia

    en.wikipedia.org/wiki/Aleurodiscus_oakesii

    Aleurodiscus oakesii is a cluster of small, gray-white, irregular cup-shaped saprotrophic fungi that grows on decaying hardwood tree bark. This fungus may also be called hophornbeam discs, [1] and it causes smooth patch disease. A. oakesii is found year round in North America, Europe, and Asia and is commonly found on oak trees.

  7. Cystotheca lanestris - Wikipedia

    en.wikipedia.org/wiki/Cystotheca_lanestris

    Cystotheca lanestris, the live oak witch's broom fungus, is a species of mildew that infects buds and induces stem galls called witch's brooms on oak trees in California, Arizona, and Mexico in North America. [2] [3] Witch's brooms are "abnormal clusters of shoots that are thickened, elongated, and highly branched."

  8. 'Heartbreaking': Large, old iconic oak falls outside Florida ...

    www.aol.com/heartbreaking-large-old-iconic-oak...

    A large, old iconic oak outside Florida's Historic Capitol came crashing to the ground Saturday afternoon. The Tallahassee Police Department assisted the Capitol Police in redirecting traffic as ...

  9. Hypoxylon canker of shade trees - Wikipedia

    en.wikipedia.org/.../Hypoxylon_canker_of_shade_trees

    Hypoxylon canker of shade trees is a weak ascomycete fungus that negatively affects growth and can eventually lead to the death of weak or diseased host trees. [1] There are many different species that affect different trees. For example, Hypoxylon atropunctatum, a common species, is found on oak trees, Hypoxylon tinctor affects sycamore trees ...