from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of many parasitic fungi, of the genus Phytophthora, that cause brown rot in plants.
from The Century Dictionary and Cyclopedia
- n. A genus of parasitic fungi closely allied to the genus Peronospora, from which it differs by the spores being lateral instead of terminal.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. destructive parasitic fungi causing brown rot in plants
Sorry, no etymologies found.
The disaster resulted from the fungus called phytophthora infestans, also known as potato blight, that totally ravaged the potato crop 1846 to 1852, and the indifference of the British government.
In 2009, the same fungal pathogen known as phytophthora infestans was recorded from New York to Wisconsin, wiping out many home garden tomato crops.
And she says all 500 stands of the tree - produced from one original plant - are under threat from the deadly root rot disease phytophthora, which is spreading rapidly through grass plains surrounding its habitat.
Other members of Congress from Georgia in either party earlier this year requested earmarks for projects such as a $330,000 renovation of a historic train car repair shop in Savannah; $200,000-plus to study ways to improve Georgia's blueberry production; and $178,000 to study a disease called phytophthora that affects cucumbers and squash.
Another spate of rain about two weeks before Irene caused outbreaks of the phytophthora fungus —a type of water mold — in many fields, said Jim Stakey, owner of Stakey's Pumpkin Farm in Aquebogue, on New York's Long Island.
They had also looked into infecting potatoes with phytophthora infestans, or potato blight—the disease that brought on famine in Ireland in the mid-nineteenth century.
The cypress aphid that turns green conifer hedges to patchy brown features frequently, as does phytophthora, particularly on yew hedges.
Another spate of rain about two weeks before Irene caused outbreaks of the phytophthora fungus -a type of water mold - in many fields, said Jim Stakey, owner of Stakey's Pumpkin Farm in Aquebogue, on New York's Long Island.
Dr David Slawson, of the Food and Environment Research Agency, said the phytophthora had probably come from Asia via Europe.
Then last year, taking everyone by surprise, the phytophthora jumped species and rapidly began infecting and killing the commercially important