11.26.2008
The Big Five: emerald ash borer, Asian longhorned beetle, Sirex wood wasp, sudden oak death, hemlock woolly adelgid Forests in eastern North America are beset with a number of exotic pests and pathogens. Several of these pests and pathogens collectively could have a larger impact on eastern forests than chestnut blight, which killed billions of [...]
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11.03.2008
Gardeners at a historic estate in Derbyshire, England, have discovered the disease sudden oak death on rhododendrons, and fear that it could spread to ancient trees on the estate. Sudden oak death has been found at over 500 sites in England. English oak (Quercus robur) does not appear to be harmed by the disease. However, [...]
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