| 1121047 |
alder leaf beetle |
Agelastica alni |
|
| 1415143 |
gray mold |
Botrytis cinerea |
Seedling dieback in pots. Aug. 26, 2002 |
| 2110007 |
Phytophthora disease of alders |
Phytophthora alni |
Alder plantation on former agricultural land; note infected grey alder (A. incana) with sparse, chlorotic and small-sized foliage. |
| 2110008 |
Phytophthora disease of alders |
Phytophthora alni |
Grey alder (A. incana) with collar rot caused by P. alni; note the typical tarry spots at the outer bark and the tongue-shaped orange-brown necrosis of the inner bark. |
| 1415152 |
gray mold |
Botrytis cinerea |
Mycelium with conidia. Aug. 26, 2002 |
| 1415263 |
birch rust |
Melampsoridium betulinum |
Aecia on leaves-lower side |
| 1415264 |
birch rust |
Melampsoridium betulinum |
Aecia on leaves-lower side |
| 1415265 |
birch rust |
Melampsoridium betulinum |
Aecia on leaves-lower side |
