A fungal disease (Phakopsora pachyrhizi) that produces small reddish brown lesions on soybean leaves and can cause severe defoliation and yield loss under warm, humid conditions. Long established in Asia and Australia, it reached South America in 2001 and the continental United States in 2004, and its rapid wind dispersed spread prompted the establishment of national spore tracking and forecasting networks in several affected countries.
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Soybean, Crops Asian soybean rust (Phakopsora pachyrhizi) is a major fast-spreading fungal disease of cultivated soybean.
Sources
1. Soybean Rust (Wikipedia)
Wikimedia FoundationOpening definition paragraph
Soybean rust is a disease that affects soybeans and other legumes. It is caused by two types of fungi, Phakopsora pachyrhizi, commonly known as Asian soybean rust, and Phakopsora meibomiae, commonly known as New World soybean rust. P. meibomiae is the weaker pathogen of the two and generally does not cause widespread problems. The disease has been reported across Asia, Australia, Africa, South America and the United States.
lead description
A fungal disease (Phakopsora pachyrhizi) that produces small reddish brown lesions on soybean leaves and can cause severe defoliation and yield loss under warm, humid conditions.
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