Oak Wilt Plant Health Project by https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9 en-us 2022-11-28 22:12:41 UTC 2022-12-10 22:13:36 UTC hello@padlet.com Oak Wilt - Scientific Name: "Ceratocystis fagacearum" cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400978994 The fungus, Ceratocystis fagacearum, invades the water conducting tissues (xylem) and induces the tree to clog its own vessels, preventing the normal flow of water. This causes the foliage to wilt and, frequently, tree death.]]> 2022-11-28 22:17:13 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400978994 Host cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400982337 Can be found in all types of oak (Quercus)
White oak (quercus alba) is less susceptible;
white, bur, English, swamp white, and chinkapin
Red oak (quercus rubra) faces a greater risk:
red, black, Hill’s, pin, and scarlet

]]> 2022-11-28 22:22:06 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400982337 cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400984582 2022-11-28 22:25:03 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2400984582 Pathogen cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401018732 The culprit is scientifically known as "Ceratocystis fagacearum" and was formerly referred to with "Bretziella fagacearum".  ]]> 2022-11-28 23:16:59 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401018732 Transmission cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401020511 The fungus grows through the infected tree’s water conducting system, causing the tree to wilt and die. Oak wilt is introduced to an area by sap-feeding beetles that carry oak wilt spores to fresh wounds. Spore-bearing fungal mats develop under the bark in the fall or spring following the death of the infected tree.]]> 2022-11-28 23:19:41 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401020511 Signs & Symptoms cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401023740
  • isolated dead branches in the crown
  • early leaf drop 
  • leaf color is grayish-green, brown, or brown at the tip and margin
  • sudden wilting
    • ]]>     2022-11-28 23:24:55 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401023740     Healthy Leaf cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401025171 2022-11-28 23:27:18 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401025171 Citations cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401025304 Davey: https://www.davey.com/insect-disease-resource-center/oak-wilt-disease/ 
    Morton Arboretum: https://mortonarb.org/plant-and-protect/tree-plant-care/plant-care-resources/oak-wilt/#management]]>     2022-11-28 23:27:31 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401025304     Unhealthy Leaf cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026211 2022-11-28 23:28:45 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026211 Healthy Wood cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026485 2022-11-28 23:29:09 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026485 Unhealthy Wood cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026762 2022-11-28 23:29:36 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401026762 Management/Treatment cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401035891 Most solutions are best found with the help of an arborist

    Some methods control the spread:
    • sever root grafts- these are compromised locations 
    • removal of infected wood- reducing presence of infection
    Others are preventative measures:
    • minimal pruning- open wounds attract sap beetles
    • form trenches around trees suffering from oak wilt- minimize transmission
    ]]>     2022-11-28 23:43:01 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401035891     Area of Effect (US) cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401063362 2022-11-29 00:17:24 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401063362 History of Oak Wilt cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401066880 Ceratocystis fagacearum began presenting its accompanying issues around 1940 in Mississippi.  The disease is exclusive to the United States, being found in the Eastern and Midwestern US.]]> 2022-11-29 00:21:07 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401066880 Impact of Oak Wilt cjsteibyt7 https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401076809 Oak trees are a keystone species. The title speaks for itself. Biodiversity is impacted thru the loss of oak trees. Oak trees are one of the most beloved types. Their environmental role and beauty are irrelevant factors at the hands of this plant disease.]]> 2022-11-29 00:30:19 UTC https://padlet.com/cjsteibyt7/upa6zsyyfy7nkmb9/wish/2401076809