| 4215064 |
Sign |
spore mat which forms only in red oak group |
| 4213100 |
Symptoms |
old fungal mats |
| 4214004 |
Symptoms |
infection center |
| 1301020 |
Symptoms |
Vertical cracks in bark caused by pressure pads. |
| 3037015 |
Symptoms |
southern Missouri |
| 4215060 |
Symptoms |
rapidly wilting red oak |
| 2252003 |
Symptoms |
infected sapling |
| 5040068 |
Symptoms |
Red oak with oak wilt, shedding leaves and marked for removal |
| 5039072 |
Symptoms |
Oak mortality caused by oak wilt. |
| 5039082 |
Symptoms |
Small oak tree killed by oak wilt |
| 5038074 |
Symptoms |
Oak wilt crown symptoms. |
| 0758076 |
Feature(s) |
Root grafts on Texas live oak. These are the main means by which oak wilt spreads. |
| 1949011 |
Symptoms |
Advanced stage of Ceratocystis fagacearum infection on oak: general view of wilted tree. |
| 0725093 |
Fruiting Bodies |
Sporulating mat on red oak killed by Ceratocystis fagacearum. |
| 0725092 |
Symptoms |
Xylem of red oak affected by Ceratocystis fagacearum showing diffuse stain (often there is less stain than this). |
| 0725091 |
Symptoms |
Northern pin oak (Quercus ellipsoidalis) killed by Ceratocystis fagacearum in Minnesota. The retention of some dead leaves is characteristic of the disease. |
| 1473272 |
Symptoms |
one week after early symptoms had appeared. Rapid leaf fall is characteristic; 7/14/1953 |
| 5262015 |
Symptoms |
|
| 5265044 |
Symptoms |
|
| 5030087 |
Symptoms |
aerial photo |
| 1509093 |
Symptoms |
Oak wilt |
| 1509094 |
Symptoms |
Oak wilt |
| 1509096 |
Symptoms |
Oak wilt |
| 1509097 |
Symptoms |
Oak wilt |
| 1509098 |
Symptoms |
Oak wilt |
| 1509101 |
Symptoms |
Oak wilt |
| 1501036 |
Control |
Oak wilt, ditch-witch trench at the LBJ Ranch to eliminate root grafts |
| 1501048 |
Symptoms |
Oak wilt, Live oak tree symptoms |
| 5032025 |
Symptoms |
|
| 5040020 |
Equipment |
trencher |
| 5046003 |
Symptoms |
tree with close-up of leaves |
| 5040028 |
Control |
chopping to check the cambium |
| 5039064 |
Symptoms |
crown symptoms |
| 5039083 |
Sexual Spore |
spore mat |
| 5055016 |
Symptoms |
|
| 1458013 |
Symptoms |
bark cracking form pressure cushion |
| 1301040 |
Control |
Vibratory plow used for disruption of root grafts to control oak wilt. |
| 4214001 |
Feature(s) |
close-up view of fungal mat on peeled stem |
| 3227019 |
Control |
trenching for severing root grafts between infected and uninfected trees |
| 2252009 |
Sign |
fungal mat |
