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Stripe Rust Gets Tough.(genetic aspects and control of Puccinia striiformis)
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Farm Journal
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July 26, 2005
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Copyright informationCOPYRIGHT 2005 Farm Journal Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Andrew Burchett
Stripe rust of wheat, also known as yellow rust, isn't new for southern tier wheat growers, but a change in its genetics appears to make it cause more damage faster. Caused by the fungus Puccinia striiformis, stripe rust is turning up as far north as Illinois and Ohio soft red winter wheat fields. "Up in the Midwest it used to be a real curiosity to see even one stripe rust pustule. This year it caused losses," says University of Arkansas plant pathologist Gene Milus.
Milus' theory is that a genetic change in certain stripe rust isolates found in 2000 are responsible for making the disease more aggressive. He also believes that current isolates ...
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