12 November 2012Last updated at 09:22
Background
Washing pleaPeople urged to wash dogs, boots and children after visiting woods
Ash dieback: Q&AWhat do we know and what can be done
Tree import ban Imports of ash trees banned to halt spread of disease
Ash tollMinisters say 100,000 trees destroyed to try to halt disease.
Ash dieback in Essex
Two new cases of ash dieback
Oxfordshire's first dieback case
Forestry Commission confirms first case
Ash dieback in Berkshire
Tree disease arrives in Berkshire
Devon nursery burns ash trees
Nursery burns trees amid concerns about ash dieback






Government taking ash dieback 'seriously'
DNA machine tests ash trees for disease
Ash trees burned as a precaution
Ash tree fungus spread examined
Inside lab tackling ash disease
Ash die-back: Lessons from the Dutch
Import ban on ash trees in place
Washing plea
Ash dieback: Q&A
Tree import ban
Ash toll