Soybean leaves infected with
soybean rust, uredinia are visible
Soybean rust, also known as Asian soybean rust, is a disease that affects soybeans and other legumes. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ Basidiomycota is one of two large phyla that together with the Ascomycota, comprise the subkingdom Dikarya, which were in general what were called Urediniomycetes is a diverse class of Fungi that includes several important plant pathogens causing forms of fungal rust. Rusts are Fungi of the order Uredinales. Many of these species are plant Parasites. A legume is a Plant in the family Fabaceae (or Leguminosae or a Fruit of these specific plants It is caused by two types of fungi, Phakopsora pachyrhizi and Phakopsora meibomiae. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ P. meibomiae is the weaker pathogen of the two and generally does not cause widespread problems. A pathogen (from Greek πάθος pathos "suffering passion" and γἰγνομαι (γεν- gignomai (gen- "I give birth to" infectious The disease has been reported across Asia, Australia, Africa, South America and the United States. For a topic outline on this subject see List of basic Australia topics. South America is a Continent of the Americas, situated entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a The United States of America —commonly referred to as the
Soybean rust thrives on green, growing plants, and requires a climate which provides high moisture and moderate heat. It is unable to survive the cold winters of northern habitats.
Soybean rust is spread by wind-borne spores, which are released in cycles of seven days to two weeks. It is commonly believed that the disease was carried from Venezuela to the United States by Hurricane Ivan. Venezuela (ˌvɛnəˈzweɪlə) officially the Bolivarian Republic of Venezuela (Spanish República Bolivariana de Venezuela) is a country on the The United States of America —commonly referred to as the Hurricane Ivan was the strongest hurricane of the 2004 Atlantic hurricane season.
When properly applied, fungicides can be used preventively or to cure infected plants which, if left untreated, will eventually die.
Recent research from Washington State University indicates that the herbicide Glyphosate may be effective in dealing with the fungus. Washington State University ( WSU) is an American public Research university in Pullman, Washington. Glyphosate (N-(phosphonomethyl glycine is a non-selective Systemic Herbicide, absorbed through the leaves injected into the bole or applied to the stump of
Rust-resistant varieties of soybeans are currently in development by both public universities and private industry.
Cotton rust; Phakopsora gossypii