Speckled Alder

Alnus incana
Betulaceae
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.

Diseases Speckled Alder

 



Alder decline:

Symptoms: sparse foliage, yellowed leaves, dying limbs and branches. Dying of the bark and the following mucous secretion. At this time there is no treatment possible.

Leaf curls (Taphrina tosquinetii)

Extremely wavy leaves caused by fungi. The fungus should be controlled before an outbreak.

 

 

leaf of Speckled Alderleaf backside of Speckled Alderleaves of Speckled Alderearly flowers of Speckled Alderfruit of Speckled Alderbud on branch of Speckled Alderbranches and buds of Speckled Alderflowers blossom of Speckled Alderblossom of Speckled Alderstem trunk bark of Speckled Alder

Classification Speckled Alder

Height: 8 - 20 m

Leave: alternate, pointed ovate, top and bottom are covered with hair

Bloom: March - April, male catkins are noticeable, yellow - female are inconspicuous

Fruit: woody and cone-shaped, dark brown

Branches: smooth, gray, lightly hairy

Bark: light gray, smooth

Root: shallow roots

Location: sun - half-shade

Soil: sandy - loamy to loamy, dry - moist

ph-value: slightly acidic to basic

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