Soybean rust is a serious disease causing crop losses in many parts of the world. Soybean rust is caused by two fungal species, Phakopsora pachyrhizi and Phakopsora meibomiae. It has been reported in various countries including Australia, China, Korea, India, Japan, Nepal, Taiwan, Thailand, the Philippines, Mozambique, Nigeria, Rwanda, Uganda, Zimbabwe, South Africa, Brazil, Argentina, and Paraguay. The first detection of soybean rust in the United States was P. meibomiae reported in Puerto Rico in 1976. Phakopsora pachyrhizi, which is much more aggressive, was reported in Hawaii in 1995.
For more information on Soybean Rust, please visit the website for the National Information System for the Regional IPM Centers.