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Defending U.S. Grain Crops From Fungal Assault |
| Section: NATURAL SCIENCE / SCIENCE AND SOCIETY |
| Author: Don Comis |
| Publication: The world & I online |
| Issue Date: 1/1/2007 |
| Size: 1,467 Words, 9,560 Characters |
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Since the early part of the twentieth century, the Agricultural Research Service’s (ARS) Cereal Disease Laboratory (CDL) has stood as a sentry watching for emerging diseases of cereal crops--wheat, barley and oats. The St. Paul, Minnesota lab is on high alert as of 2006, since an African strain of stem rust has emerged as an unprecedented international threat to wheat and barley.
Stem rust, caused by the fungus Puccinia graminis sp. tritici, has historically been one of the most destructive plant diseases. The new African strain, called “Ug99” because it first surfaced in Uganda, spread between 1999 and 2006 to Kenya and Ethiopia. It will likely spread to major wheat-growing areas of northern Africa, the Middle East, and western and southern Asia, spurred on by prevailin...
. . .
...http://www.worldandischool.com/subscribers/searchdetail.asp?num=17621">Article #17621)
--"Yeasts: Fermenters and Tormenters," by Herman Phaff , April 1989 (Article #15207)
This article was published in the June 2006 issue of Agricultural Research. Copyright © 2006 Agricultural Research magazine
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