Ash Dieback

Ash Dieback

Ash Dieback Chalara dieback of ash, also known as Chalara or ash dieback, is a disease of ash trees caused by a fungus called Hymenoscyphus fraxineus. (The fungus was previously called Chalara fraxinea, hence the name of the disease. See ‘The Science’...
Acute Oak Decline

Acute Oak Decline

Acute Oak Decline Acute Oak decline (AOD) is a condition  affecting several thousand oak trees, mostly across East Anglia, the Midlands and Southern England as far west as Somerset. It affects both of Britain’s native oak species pedunculate Oak and sessile oak...
Chestnut Blight

Chestnut Blight

Chestnut blight is a plant disease caused by the ascomycete fungus Cryphonectria parasitica. This pathogen has caused severe epidemics resulting in death and dieback of American sweet chestnut (Castanea dentata) in North America and European sweet chestnut (C. sativa)...