| Image |
Descriptor |
Description |
Photographer |
| 0454001 |
Symptoms |
Leaf scar canker caused by Xanthomonas populi on young stem of poplar. |
UK Forestry Commission Archive |
| 0656081 |
Symptoms |
Canker, girdling stem of a highly susceptible Populus tremula tree. |
UK Forestry Commission Archive |
| 1277119 |
Symptoms |
Infected trees in northern France |
Canadian Food Inspection Agency Archive |
| 1277120 |
Symptoms |
Infected trees in northern France |
Canadian Food Inspection Agency Archive |
| 1277121 |
Symptoms |
Infected trees in northern France |
Canadian Food Inspection Agency Archive |
| 1277122 |
Symptoms |
Canker reaction tissue |
Canadian Food Inspection Agency Archive |
| 1277123 |
Symptoms |
Artifically inoculated stem. |
Canadian Food Inspection Agency Archive |
| 1277124 |
Symptoms |
Artifically inoculated stem |
Canadian Food Inspection Agency Archive |
| 1277125 |
Symptoms |
Artificially inoculated stem |
Canadian Food Inspection Agency Archive |
