Definition of sudden oak death in US English:

sudden oak death


  • A disease of various oaks and other forest trees, sometimes resulting in sudden death as a result of bark cankers that encircle the trunk.

    The infecting organism is the water mold Phytophthora Ramorum

    • ‘Among the examples cited: sudden oak death, now ravaging California's trees by the thousands, and citrus canker, wreaking havoc on Florida despite $200 million spent to control it.’
    • ‘The training will focus on identifying sudden oak death, a disease not yet found in Nebraska that kills oaks and other plants, Chaky said.’
    • ‘Laboratory tests indicate that eastern red and pin oaks, some blueberry varieties, and perhaps certain rhododendrons, viburnums, and other landscape plants are highly susceptible to sudden oak death.’
    • ‘The genus Phytophthora includes, besides the species that attacks potatoes, one that has alarmed the West Coast with sudden oak death.’
    • ‘The disease, which does not affect humans and is not a food safety concern, is also known as sudden oak death.’