Pest & Disease Alert: Phytophthora kernoviae outbreak in Cornwall

Fera has identified another outbreak of Phytophthora kernoviae, a fungal infection that can kill trees and shrubs. It's the second outbreak reported in Cornwall this month.

nfected rhododendron leaf. Image: Forestry Commision
nfected rhododendron leaf. Image: Forestry Commision

The Food & Environment Research Agency (Fera) said the pathogen Phytophthora kernoviae has been detected on a bilberry (Vaccinium), in Cornwall. It causes bleeding cankers on trees and leaf blights on shrubs.

The first cases appeared in Cornwall in 2003 at three nursery sites and public gardens, but in 2008 Defra confirmed the first discovery in the wild of P. kernoviae on bilberry - making it a threat to native heath land across Britain, according to Defra. Cases have since been reported in Wales and Scotland.

Click here to read a collection of Horticulture Week stories on P. kernoviae

Click here for practical information from Fera on how to control P. kernoviae

For a copy of Fera's weekly Pest & Disease report click on the attachment below.


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