Soybean rust (SBR) has not been confirmed in Tennessee. Samples collected from soybean sentinel plots this past week across the southern border of middle and western Tennessee have all been negative for soybean rust. Although SBR has not been found, there is a high probability that it has entered Tennessee at a low level due the increase in SBR in northeastern Alabama. Continue reading
There have been multiple reports of Sudden Death Syndrome (SDS) in soybean fields in Tennessee. The cool, wet season Tennessee has experienced has helped promote the disease in susceptible varieties. Continue reading
Soybean rust (SBR) has not been found in Tennessee. All samples from soybean and kudzu collected the week of Aug. 20 – 23 across middle and west Tennessee along the southern border that have been examined have been negative for SBR. Continue reading
Over the past couple of weeks Southern rust in corn has been reported in the Mid-South. Both Southern rust and common rust have been reported in Tennessee fields, but only Southern rust poses a threat to yield. Continue reading
With the rainy weather in Tennessee it’s not surprising disease is developing in soybeans. Specifically, southern blight and downy mildew have been reported. Continue reading
The first report of soybean rust (SBR) in Arkansas was confirmed near Halley, AR (Desha Co.) on August 7th. This is the same county SBR was first detected in 2012. SBR has also been confirmed in Limestone Co., Alabama which neighbors Giles Co., Tennessee. Continue reading
On Aug. 2nd soybean rust (SBR) was detected in a soybean sentinel plot in DeKalb County, Alabama, in the northeast corner of the state. Less than 1% of the plants had visible symptoms. Continue reading
The rain that most of Tennessee has been receiving benefits not only soybeans but also soybean diseases and in particular, frogeye leaf spot. This disease has become more concerning with strains of the pathogen (Cercospora sojina) developing resistance to fungicides in the strobilurin (quinone outside inhibitor – QoI) fungicide group. Continue reading