Quaking Aspen

Quaking Aspen

Populus tremula

Saliacaceae

Quaking Aspen lager photos

Classification:

Quaking Aspen

Height:

20 - 30 m

Leaf:

alternate

Bloom:

March - April, catkins, yellowish green

Fruit:

green catkins

Branches:

olive - grayish green, brittle

Bark:

first silver gray and smooth, later fissured

Root:

shallow to heart-shaped roots

Location:

sun - half-shade

Soil:

sandy - loamy to very loamy

ph-value:

acidic to basic

Diseases:

Quaking Aspen

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

Poplar blight: In the summer, spores collect on the bottoms of leaves. In the fall there is brown then black discoloration on the top of the leaf. This can lead to losses in growth.

Disease of the shoot ends: Black colored leaves, dried out shoot ends.

Cauliflower galls(Aceria populi (NAL.)): Not dangerous for the tree.

Aphids (Parathecabiuslysimachiae): Leaf deformation caused by aphid outbreaks. Not dangerous for the tree.

Bark blight:Wound ebullition after bark necrosis through Cryptodiaporthe populea.

Leaf stem gall (Pemphigus spirothecae PASS.): Not dangerous for the tree.

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.

Fungi


Boot - Lace Fungus	Dryad's Saddle or Pheasant's Back Mushroom	Tinder_or_Hoof_Fungus	Chicken of the woods - sulphur shelf	oak mazgill or maze gill fungus

Hardwood trunk rot (false tinder conk	Aspen Trunk Rot	Artist's Conk	Mottled rot (yellow cap fungus)	Oyster Fungus

Shaggy Scalycap	Polyporus rheades	Veiled Oyster	Silver leaf disease	Poria obliqua

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