Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu
On July 22, soybean rust was confirmed on soybean leaves collected from sentinel plots in Madison County, Florida. On July 21, rust was confirmed on soybeans in sentinel plots in Jackson and Walton counties in Florida. Most of the counties in Florida adjacent to Georgia and Alabama have reported soybean rust in 2008.
Several of the sentinel plots in DE have reached bloom and sampling has begun for soybean rust here. One hundred leaves are collected, incubated for 48 hours and then microscopically examined for soybean rust as well as other diseases and insect pests that might be present.
