London Plane - Leaf loss, bud and shoot blight

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Anthracnose of London Plane

Some London Plane trees have been experiencing early leaf loss and the death of some buds and new shoots this year. This is caused by a fungal infection of Apiognomia veneta, which is known to attack trees periodically, particularly those located in towns.

Symptoms

Infected trees may be noticable by their sparse crowns casued by leaf loss. Fallen leaves, usually in late spring, will show browning of the central vein which spreads outwards. Trees may also have buds which have failed to open and have died, although unless the damage is extensive this may be hard to notice from the ground. It has also been noted that this year young shoots have also been killed by the fungus.

Recovery and treatment

A fungal attack by this pathogen to London Plane trees should not have any long term affect to the health of the tree and will only cause them to look sparse until new shoots and leaves are formed as a second flush, usually later in the summer, therefore there is no need to control the disease on mature trees. A light prune may be necessary to remove the dead shoots in order to improve the appearance of the tree.

Further information

If you are concerned about your tree give us a call and we can come and carry out an inspection and offer advice on pruning as necessary.


Submitted by Iain on Monday 18th June 2012

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