Algal blooms pose danger to livestock

Recent news reports of unsafe drinking water in the Great Lakes area has drawn national attention to toxic algal blooms. In Kentucky, cyanobacteria, also known as blue-green algae, recently were found in Green River Lake, Taylorsville Lake, Barren River Lake, Nolin Reservoir and Rough River Lake at levels that prompted a recreational advisory.

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Southern rust confirmed in Virginia corn

In Southeast Farm Press

Southern rust was confirmed Aug. 3 on corn samples from Chesapeake and Suffolk in Virginia, according to a blog postingΒ by Hillary Mehl, assistant professor of plant pathology at the Virginia Tech Tidewater Agricultural Research and Extension Center in Suffolk.

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First sighting of soybean rust on U.S. crop made in Alabama

In Southeast Farm Press

The first U.S. sighting of soybean rust on soybeans for the current growing season was made this week in a sentinel plot in central Alabama’s Autauga County.

The disease was detected in a soybean sentinel plot in Prattville in Autauga County on Aug. 3. According to Ed Sikora, Auburn University Extension plant pathologist, the soybeans were at the R5 growth stage with 100 percent canopy closure. Incidence of soybean rust within the plot was less than 1 percent. The disease was previously reported on kudzu in Baldwin County, near the Alabama Gulf Coast.

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Multiple herbicide resistance becoming problem for Southern farmers

In Delta Farm Press (with a video)

Farmers in the Mid-South and Southeast have spent a lot of money – and, in some cases, have lost entire fields – because of the development of resistance to glyphosate in prolific seed-producing weeds like Palmer amaranth or pigweed.

But how much will it cost them in added herbicide and labor expense and crop losses when weeds like pigweed or common waterhemp develop resistance to more than two or three or even more herbicide modes of action?

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