sudden oak death


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sudden oak death:

see diseases of plantsdiseases of plants.
Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rotting of harvested crops in storage or transport is similar to the rots
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; water moldwater mold,
common name for a group of multinucleated organisms that superficially resemble fungi but are now recognized as having an independent evolutionary lineage and are placed in the kingdom Protista.
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References in periodicals archive ?
Trees infected by sudden oak death are clearly the losers, and that makes them easy to spot.
The emerald ash borer is only one of the many threats to the nation's forests, which are also being attacked by the Asian longhorn beetle, gypsy moth, beech scale insect, hemlock wooley adelgid and sudden oak death fungus.
Changes in climate and farming practice along with increased trade and travel have been blamed for the rise, but one of the biggest factors is the arrival in this country of the Sudden Oak Death (Phytophthora ramorum) fungus which has been found on rhododendron and viburnum at 280 garden centres.
Sudden Oak Death and Associated Diseases Caused by Phytophthora ramorum.
This is an organism that has the potential to impact entire plant communities," says Matteo Garbelotto, a plant pathologist at the University of California, Berkeley and a key researcher on sudden oak death.
Discovered in 1995, Phytophthora ramorum has been attributed to the death of several types of oak trees in Northern California and Southern Oregon; it is also commonly referred to as Sudden Oak Death ("SOD").
The Phytophthora ramorum disease, commonly known by the misnomer Sudden Oak Death, has spread to thousands of acres of woodland in Wales, with Japanese larch - which makes up about 8-10% of Welsh forest - primarily affected.
Cases of sudden oak death in California increased tenfold last year.
Two larch trees in the upper western side of Roath Park have become infected with Phytophthora ramorum - known as Sudden Oak Death.
Matteo Garbelotto, forest pathology specialist at UC Berkeley, co-discovered the agent responsible for sudden oak death and is working to stem its spread.
Some of the invasive pests that have prompted both federal and state quarantines include the emerald ash borer, Asian longhorned beetle, gypsy moth, pine shoot beetle, sudden oak death, sirex wood wasp, and the hemlock woolly adelgid.
And he said any plantations cleared to combat Sudden Oak Death should be returned to farmland rather than replanted.

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