The Forestry Commission, health authorities and affected boroughs are attempting to contain the growing outbreak.
The Forestry Commission said the disease caused extensive damage and mortality to trees and other plants.
The Forestry Commission in Great Britain has issued guidance on how to identify the disease.
According to the Forestry Commission, the Dales has 2% tree coverage, compared to Yorkshire's 5.8%.
The Forestry Commission said the product, called Bacillus thuringiensis, poses no risk to human or animal health.
The biggest woodland the Forestry Commission is letting go is 459-acre Hafod Fawr, near Llan Ffestiniog, Gwynedd.
The Forestry Commission was delighted by the record six chicks that hatched in Kielder Forest earlier this year.
Alex MacLennan, from the Forestry Commission, said it was one of the "strangest" events it had ever hosted.
The Forestry Commission has warned that a beetle, imported from China, could do "extensive damage" to British woodlands.
The Forestry Commission has spent six months clearing the area ready for 60, 000 new trees to be planted.
In previous years, the annual event was run by the Forestry Commission and Perth and Kinross Countryside Trust.
The move is part of a joint campaign by Grampian Police and the Forestry Commission to keep forests safe.
In England, the coalition government is currently consulting on plans to sell off land owned by the Forestry Commission.
All grant applications submitted to the Forestry Commission will have to include wooden, not wire, fencing in capercaillie areas.
The Forestry Commission website says there are around 7, 000 black poplars in Britain.
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This funding boost for the Forestry Commission Scotland will help towards achieving that.
BBC: West Highland Way among recipients of ?3m cash injection
You should report any sightings of ash dieback to the Forestry Commission.
The government proposals come in response to a report by a task force headed by the Forestry Commission Scotland.
The Forestry Commission survey of specially-created bat boxes revealed eight species living in the 155, 000 acre (63, 000 hectare) man-made forest.
The Forestry Commission announced on Monday that the tree disease chalara had been found in woodland in Kent and Essex.
The Forestry Commission said 80% of the black grouse population was concentrated in the North Pennines Area of Outstanding Natural Beauty.
The Forestry Commission said on Monday it had been confirmed in forests and woodland in Kent and Essex after an urgent survey.
The Lake District Osprey Project is managed by a partnership of the Forestry Commission, Lake District National Park Authority and the RSPB.
The Forestry Commission will survey an extended area around the original infested site in March and tree spraying will begin in April.
To mark the opening, the Forestry Commission is staging two guided walks which will be led by a retired forester, Vince Thirkettle.
BBC: NEWS | UK | England | Suffolk | New UFO trail follows sightings
The Forestry Commission and Friends of the Sandlings Forest trail is in Rendlesham Forest where there was a famous reported UFO sighting.
BBC: NEWS | UK | England | Suffolk | New UFO trail follows sightings
We have an excellent working relationship with the local head of the Forestry Commission who has his office in the Forest of Dean.
It is expected to last 18 months but will not affect opening times or access to the tree collection, the Forestry Commission said.
The Forestry Commission employee, despite not being an trained archaeologist, has collected hundreds of items, mostly pre-historic flint tools, while doing his day job.
BBC: NEWS | UK | Wales | South East Wales | MBE for disability group founder
There have also been important contributions from the Forestry Commission, Brecon Beacons National Park Authority, and the Royal Society for the Protection of Birds.
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