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 ?
Coast live oaks killed by the sudden oak death pathogen (Phytophthora ramorum).
Trees infected by sudden oak death are clearly the losers, and that makes them easy to spot.
A quarantine aimed at stopping the interstate shipment of nearly 60 different plant species with the potential to host the sudden oak death (SOD) pathogen has been imposed by the Animal Plant Health Inspection Service of the USDA (APHIS).
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.
Sudden oak death is caused by Phytophthora ramorum, a new strain of fungus from the genus Phytophthora, whose family has in the past been linked to the 19th century Irish potato famine, and to the dieback of cedar trees in the US, eucalyptus trees in Australia, and oak trees in Europe.
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").
Contract awarded for award summary trade services sudden oak death eradication - project
Thousands of acres of woodlands across Wales have been infected by Phytophthora ramorum (P ramorum), which kills larch and is known as Sudden Oak Death, with much of the land in public ownership.
For example, when the pathogen that causes sudden oak death was detected in Marin County in 1995, UC Cooperative Extension joined forces with USDA Forest Service and CAL FIRE to try to understand what was causing the unexplained tree death.

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