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Soybean rust is caused by two types of fungi, Phakopsora pachyrhizi and Phakopsora meibomiae. [6] It affects several important commercial plants, however, most notable for soybeans. Asian Soybean Rust can infect and reproduce on 90 known plant species, 20 of which are found in the United States, such as, soybeans, dry beans, kidney beans, peas ...
Phakopsora pachyrhizi is an obligate biotrophic pathogen that causes Asian soybean rust. Phakopsora pachyrhizi is able to affect up to 31 different plant species that belong to 17 different genera under natural conditions. Experiments in laboratories were able to use P. pachyrhizi to infect 60 more plant species.
Phomopsis longicolla is a species of ascomycete fungus in the family Diaporthaceae. It is a plant pathogen and mainly responsible for a soybean disease called Phomopsis seed decay (PSD) . In other plant species, P. longicolla can also live as an endophyte , such as in the mangrove plant Sonneratia caseolaris . [ 2 ]
Symptoms appear as dark red to black lesions on the lower surface of the leaves. They appear as sunken lesions surrounded by a raised brown-black border on the pods, petioles and stems. Very small black fruiting bodies of the fungus are usually visible in older lesions. [3] Other symptoms include shedding of leaves, flower and pod abortion. [3]
Rhizoctonia solani sensu lato causes a wide range of commercially significant plant diseases. It is one of the fungi responsible for brown patch (a turfgrass disease), damping off (e.g. in soybean seedlings), [10] black scurf of potatoes, [11] bare patch of cereals, [12] root rot of sugar beet, [13] belly rot of cucumber, [14] banded leaf and sheath blight in maize, [15] sheath blight of rice ...
Cercospora sojina is a fungal plant pathogen which causes frogeye leaf spot of soybeans. Frog eye leaf spot is a major disease on soybeans in the southern U.S. and has recently started to expand into the northern U.S. where soybeans are grown.
Phyllosticta sojicola emerges from infected plant debris in spring and spread by wind and rain-splash onto healthy plants. While the infection method for Phyllosticta sojicola are unknown, other Phyllosticta species are known to infect leaves via an appressorium in a process that requires adequate moisture. [ 3 ]
Soybean plants (Glycine max) are subject to a variety of diseases and pests. ... Common Names of Diseases, The American Phytopathological Society This page was ...