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- plant disease caused by fungal infection (en)
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- Close up of spore mat stage III (en)
- Photograph of dead tree trunk (en)
- Photograph of person pointing to spore mat (en)
- Photograph of red oak leaves on the ground in July (en)
- Root graft of hardwood tree after excavation following vibratory plowing (en)
- Photograph of leaf and whole tree symptoms of oak wilt in a red oak tree (en)
- Illustration of the oak wilt disease cycle by Julie Martinez (en)
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| dbp:authority
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- Z.W. de Beer, Marincowitz, T.A. Duong & M.J. Wingfield (en)
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- Aerial photograph of an oak wilt center (en)
- Excavated root graft (en)
- Oak wilt symptoms (en)
- Spore mat (en)
- Sudden leaf drop (en)
- Wood caramel colored, spore mats stage III is infectious (en)
- Spore mats stage IV – V are no longer infectious (en)
- Top cycle. Overland Spread .
* Spores germinate and infect oak tree.
* Infection spreads throughout the tree and leaf symptoms develop. Discoloration develops in the vacular tissue.
* Tree dies.
* Fungal pressure pads and spore-bearing mats form under bark.
* Nitidulids feed in pads and emerge with spores in and on their bodies.
* Nitidulids visit fresh wounds on healthy oak and deposit spores.
Bottom cycle. Root graft Spread .
* Fungal spore move through grafted roots into adjacent uninfected trees.
* Healthy tree becomes infected. (en)
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- Bretziella fagacearum (en)
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- Q1991788 (en)
- Q99224441 (en)
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- Oak Wilt cycle.gif (en)
- Oak wilt symptoms.jpg (en)
- Root Graft.png (en)
- SpMatClose.jpg (en)
- Spore_Mats_Stage_IV-V.jpg (en)
- The Real Dr Spore Mat.jpg (en)
- Oak_Wilt_Dropped_Leaves_Polk_County_WI_Noon_July_14,_2016.png (en)
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- Spores produced by the oak wilt fungus Endoconidia Conidiophore (en)
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| dbp:name
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- Bretziella fagacearum (en)
- Oak wilt (en)
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- Early detection and prompt action are essential for successful management of oak wilt.
The specific measures taken depend on several circumstances but should include appropriate combinations of the following:
* Prevent New Infections
** Remove and dispose of oak wilt-infected red oaks immediately.
** Avoid wounding oak trees, including pruning from,
*** February through June in Texas.
*** April through October in the Mid-West.
** Sterilize/sanitize all pruning equipment between trees.
** Paint all wounds and fresh stumps immediately regardless of season.
** Handle oak firewood cautiously, burn all firewood before spring, and never store unseasoned oak wood from infected trees near healthy oaks.
** Cover unseasoned firewood with clear plastic and bury the edges of the plastic.
* Diversify Your Landscape
** Plant trees that are native and/or adapted to your area.
** Favor a diversity of tree species.
** Avoid wounding oaks during planting.
* Stop Spread through Root Connections
** Install a trench at least 4 ft deep and 100 ft beyond the perimeter of infection centers to break up root connections.
** Cut or uproot all trees within the 100-ft barrier .
* Inject High-Value Oaks with Fungicide
** Identify susceptible, high-value oak trees in proximity to expanding oak wilt infection centers.
** Consult a trained and licensed arborist for treatment of susceptible trees with injections of propiconazole. (en)
- Prevent the spread of invasive species and diseases
* Don't take firewood with you on your camping trip, RV adventure, or to your hunting camp.
* Don't bring firewood back from your second home to your place in the suburbs.
* Buy firewood near where you will burn it, or gather firewood on site when permitted.
** A good rule of thumb is only using wood that was cut within 50 miles of where you'll have your fire.
* Certified heat-treated firewood is safe to move long distances.
* Aged or seasoned wood is still not safe.
** Just because it is dry doesn't mean that bugs can't crawl onto it- and some insects can take several years to mature inside the wood.
** Wood that looks clean and healthy can still have tiny insect eggs, or microscopic fungi spores, that will start a new and deadly infestation. (en)
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- OakWilt2017Counties.pdf (en)
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- USA counties with oak wilt (en)
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| dbp:symptoms
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- leaf discoloration, wilt, defoliation and death (en)
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- * Chalara quercina
* Endoconidiophora fagacearum
*Thielaviopsis quercina
*Ceratocystis fagacearum (en)
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| dbp:taxon
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- Bretziella fagacearum (en)
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| dbp:title
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- Oak Wilt Management Quick Guide (en)
- Oak wilt disease cycle (en)
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- 300 (xsd:integer)
- 400 (xsd:integer)
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- 55.0 (dbd:perCent)
- 60.0 (dbd:perCent)
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- Oak wilt (en)
- Ceratocystis fagacearum (it)
- Flétrissement américain du chêne (fr)
- Ceratocystis fagacearum (sv)
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