| Image |
Descriptor |
Description |
Photographer |
| 1492202 |
Control |
removal of infested stock |
University of Georgia Plant Pathology Archive |
| 2117022 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117023 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117024 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117025 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117026 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117027 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117028 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117029 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117030 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 2117031 |
Symptoms |
on cultivar Cape Fear pecan trees |
Rebecca A. Melanson |
| 3046072 |
Symptoms |
|
Theodor D. Leininger |
| 3046073 |
Symptoms |
|
Theodor D. Leininger |
| 3046077 |
Symptoms |
symptoms in sycamore plantation |
Theodor D. Leininger |
| 4822045 |
Symptoms |
Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy. |
Edward L. Barnard |
| 4822046 |
Symptoms |
Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy. |
Edward L. Barnard |
| 4822047 |
Symptoms |
Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy. |
Edward L. Barnard |
| 4822048 |
Symptoms |
Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptomatic tree with crown dieback, premature leaf abcission, chlorotic and "scorched" foliage. |
Edward L. Barnard |
| 4822049 |
Symptoms |
Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Leaves developing "scorched" appearance. |
Edward L. Barnard |
| 4822050 |
Symptoms |
Early leaf symptoms development of Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. |
Edward L. Barnard |
| 4822051 |
Symptoms |
healthy tree & trees infected with Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. |
Edward L. Barnard |
| 5383163 |
Symptoms |
Symptoms of Bacterial Leaf Scorch caused by the bacterium, Xylella fastidiosa, on a cluster of Camperdown elm (Ulmus glabra 'Camperdownii') branches. |
Elizabeth Bush |
| 5383164 |
Symptoms |
Leaf symptoms on Camperdown elm (Ulmus glabra 'Camperdownii') |
Elizabeth Bush |
| 5383165 |
Symptoms |
Leaf symptoms on Camperdown elm (Ulmus glabra 'Camperdownii') |
Elizabeth Bush |
| 5383166 |
Symptoms |
Camperdown elm (Ulmus glabra 'Camperdownii'); Cluster of elm branches with symptoms of bacterial leaf scorch. |
Elizabeth Bush |
| 0162043 |
Symptoms |
Pierce's disease of grapevine. Symptoms in cultivar Chardonnay (under moisture stress). |
Alex. H. Purcell |
| 0162044 |
Symptoms |
Pierce's disease of grapevine. Spring symptoms in cultivar Chardonnay (healthy leaf on the left). |
Alex. H. Purcell |
| 0660054 |
Symptoms |
Yellowing and desiccation of grapevine leaves, and wilting of bunches, due to Xylella fastidiosa in the Napa Valley, California (US) |
ENSA-Montpellier Archive |
| 0660055 |
Symptoms |
Uneven ripening of grapevine shoots, a very characteristic symptom of Pierce's disease, due to Xylella fastidiosa |
D. Boubals |
| 1238002 |
Symptoms |
Greenville, SC |
Randy Cyr |
| 1262025 |
Symptoms |
|
Alexander Purcell |
| 1262026 |
Symptoms |
|
Alexander Purcell |
| 1262027 |
Symptoms |
Notice the yellow discolorations in the leaves of this CVC infected orange tree |
Alexander Purcell |
| 1262028 |
Symptoms |
Healthy orange and CVC infected orange |
Alexander Purcell |
