Using Foliar Fungicides To Manage Soybean Rust

Soybean rust, a disease that causes serious crop losses in many parts of the world, was first detected in the continental United States in November 2004. Soybean rust is caused by the fungus Phakopsora pachyrhizi. Long known to occur in Asia, the fungus spread to Zimbabwe, South Africa; Paraguay; Brazil; Colombia; and now the United States during the last 10 years. Yield losses in other parts o…