White Poplar
Populus alba
Salicaceae

Leaf Necrosis

Leaf necrosis:

Small black spots that grow together to form larger spots. Not dangerous for the tree.

Diseases White Poplar

Leaf Diseases

Other Broadleaf Foliar Diseases (Melampsora larici-populina):

Little black spot at the leaf.

Disease of the shoot ends:

Black colored leaves, dried out shoot ends.
Gall

Poplar spiral gall aphid (Pemphigus spirothecae PASS.)

Gall - Not dangerous for the tree.
white poplar gall

Rust Fungus(Melampsora larici-tremlea KLEB. II)

Gall - Not dangerous for the tree.
Gall

Aphides (Parathecabiuslysimachiae)

Leaf deformation through attack of aphides. Not dangerous for the tree.
Bark Bligh

Bark bligh:

Wound ebullition after bark necrosis through Cryptodiaporthe populea.
Canker

Canker (Nectria galligena):

Fungi that leads to the breaking off of bark. Affected twigs and branches should be removed and burned. If the trunk is affected, then an expert should be called to remove canker.

 

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Classification White Poplar

Height: 20 - 30 m (65 - 98 ft)

Leaf: oviate alternate

Flowers: March - April, catkins

Fruit: light-brown catkins

Branches: first churlish white, later hairy grey

Bark: first whitish and smooth, later covered with bark and black

Root: shallow root, extremely long

Habitat: sun to half shade

Soil: sandy - loamy to very loamy

ph-value: slightly acidic to strong basic