Ash dieback
by Lewis, 7 August, 2020, 0 comments
The woodlands blog has reported on the pathogen that causes ash dieback. Jasper has described the nature of the fungus, and Richard has commented on how the problem has developed.
The disease has been variously referred to as
chalara,
ash dieback, and
chalara dieback of ash.
The fungus has an asexual phase, which was formerly known as Chalara fraxinea, hence the name of the disease; the sexual phase of the fungus was then associated with the asexual Chalara - this was called Hymenoscyphus pseudoalbidus. Putting the two together, the fungus was named Hymenoscyphus fraxineus (H.fraxineus). The fungus Hymenoscyphus fraxineus is of Asian origin. Read more...
