Start Date

30-11-2000 12:00 AM

Description

Many soybean diseases native in Asia have been disseminated around the world following the introduction of soybean. Fortunately, soybean production in Africa and West Hemisphere, South and North America, had been free from soybean rust until last year. For unknown reasons, the disease was introduced into Africa in late 1990's and quickly spread throughout the continent in few years. In 2001-2002 growing season, the disease somehow bridged to South America. In 2001 growing season, it was found in Paraguay and some major soybean production regions in Brazil. Within a season, the disease became a major production concern in Brazil. Occurrence of soybean rust in South America has raised concerns in the US as the disease has been considered a thread to soybean production. The disease is also a concern to some Iowa Soybean Producers. This article summarizes and discusses the biology, epidemiology and risk of this disease to US soybean production.

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Nov 30th, 12:00 AM

Biology, Epidemiology, and Potential Risk of Soybean Rust to U.S. Soybean Production

Many soybean diseases native in Asia have been disseminated around the world following the introduction of soybean. Fortunately, soybean production in Africa and West Hemisphere, South and North America, had been free from soybean rust until last year. For unknown reasons, the disease was introduced into Africa in late 1990's and quickly spread throughout the continent in few years. In 2001-2002 growing season, the disease somehow bridged to South America. In 2001 growing season, it was found in Paraguay and some major soybean production regions in Brazil. Within a season, the disease became a major production concern in Brazil. Occurrence of soybean rust in South America has raised concerns in the US as the disease has been considered a thread to soybean production. The disease is also a concern to some Iowa Soybean Producers. This article summarizes and discusses the biology, epidemiology and risk of this disease to US soybean production.