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Three Georgia counties have new soybean rust infections on kudzu

Agriculture.com Staff 09/08/2006 @ 10:44am

At the end of an already "rust-filled" day, Georgia officials reported finding Asian soybean rust on kudzu in three southwest Georgia counties -- all appear to be "new" infections after recent rains.

The samples, collected Sept. 5, put Grady and Thomas counties back as positive on the U.S. Department of Agriculture observation map, filling in southwest Georgia with red again. These two counties last had rust on kudzu in early 2006, but were put back to green when those infections appeared to be destroyed, and no active rust was seen for months.

"Rust was once detected in Grady and Thomas Counties during the winter months, but was believed to have been destroyed at that time," according to the Georgia state commentary on www.sbrusa.net, USDA's rust monitoring site. "These rust infections found this week seem to be 'new' infections -- possibly spores were brought in with the recent and frequent rain showers we've been having."

One new county, Seminole, has rust for the first time this year. Rust was found in the county on volunteer soybeans in 2005 -- the second U.S. find of 2005, but rust had not been found in this particular site since 2004, officials said.

There are now eight counties in Georgia positive for rust in 2006, all currently red (Grady was reinstated when rust appeared again in June 2006) and lined up above the rust-positive counties in Florida to the south. In 2005, Georgia ended up with 34 positive counties by year's end.

There are 41 counties and parishes that have been confirmed to have soybean rust in the United States in 2006. At this point in the season last year, the count was 55.

"With the recent rains and the detection of rust South Carolina, it is extremely important that everyone continues to scout their soybeans for possible rust and be prepared to spray if you have not done so already," according to the Georgia state rust commentary.

At the end of an already "rust-filled" day, Georgia officials reported finding Asian soybean rust on kudzu in three southwest Georgia counties -- all appear to be "new" infections after recent rains.

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