Cryphonectria parasitica

Publication Date
Wed, 05 Oct 2022, 10:48
Last Updated
Oct. 5, 2022, 10:48 a.m.
Report Number
United Kingdom
Report Status
Castanea sativa. (Sweet Chestnut)
Pest Status (ISPM 8 - 2021)
  • Present: not widely distributed and not under official control
Geographical Distribution
Currently confined to two isolated outbreak areas, further surveillance is being undertaken.

The first reported finding of Cryphonectria parasitica (Sweet Chestnut Blight) by the Crown Dependency of Jersey.

A number of symptomatic trees in the wider environment have tested positive. The origin of the outbreak is not yet known. C. parasitica infection is usually fatal to European (Castanea sativa) and North American (C. dentata) sweet chestnut trees. It has almost wiped out North America's sweet chestnut population. Although losses have not been on the same scale in Europe, sweet chestnut blight has spread steadily throughout much of Europe, and tree losses have been regionally significant.
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