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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 rust is distinguished by the typical rust-like marks on the stem and leaves, causing defoliation and loss of photosynthetic surface along with reduction in yield. The disease is fungal and is autoecious meaning it has one plant host. The rust of faba beans is macrocyclic, or contains 5 spores during its life cycle.
Uromyces appendiculatus (bean rust) in common bean (Phaseolus vulgaris) [20] Management. Research. ... Cedar-apple rust disease, for example, can persist despite ...
Rust Phakopsora pachyrhizi. Scab Spaceloma glycines. Sclerotinia stem rot Sclerotinia sclerotiorum. Southern blight (damping-off and stem rot) = Sclerotium blight [1] Agroathelia rolfsii [teleomorph] Stem canker Diaporthe phaseolorum Diaporthe phaseolorum var. caulivora Phomopsis phaseoli [anamorph] Stemphylium leaf blight Stemphylium botryosum
The genus is the second-largest plant pathogenic rust genus, which is responsible for various plant affecting diseases, and it has major effects on both agricultural and non-agricultural plants. The genus is generally characterized by its unicellular teliospores (thick-walled resting spores) that help to characterize it and distinguish it from ...
Common Bean Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page; Common Names of Plant Diseases, The International Society for Molecular Plant-Microbe Interactions (in Portuguese) Common bean diseases, EMBRAPA (in Portuguese) Main common bean diseases and their control, EMBRAPA with photos
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Stripe rust is a recent fungus to arrive in North and South America. The disease was first observed in Colombia in 1975 and is believed to have been brought over from Europe. [45] In the U.S. it was first discovered in Texas in 1991 and by the mid-90s it could be found throughout barley crops in the western states.