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  2. Diaporthe phaseolorum var. sojae - Wikipedia

    en.wikipedia.org/wiki/Diaporthe_phaseolorum_var...

    Diaporthe phaseolorum var. sojae is a plant pathogen infecting soybean [1] and peanut. Diaporthe phaseolorum var. sojae is the perfect form of the causal pathogen of pod and stem blight of soybean. [2] It is a fungal ascomycete that commonly infects seeds, pods, stems, and petioles. This pathogen is also found in its imperfect state, Phomopsis ...

  3. Bacterial blight of soybean - Wikipedia

    en.wikipedia.org/wiki/Bacterial_blight_of_soybean

    This bacterium also causes disease in snap bean (Phaseolus vulgaris) and lima bean (Phaseolus lunatus), however it is more commonly seen in soybean. [4] Pseudomonas syringae pv. glycinea attacks all of the above-ground parts of soybean, but symptoms are typically seen on the mid-upper canopy of leaves and pods. [5]

  4. Cercospora sojina - Wikipedia

    en.wikipedia.org/wiki/Cercospora_sojina

    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. The disease is also found in other soybean production areas of the world.

  5. List of soybean diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_soybean_diseases

    Phyllosticta leaf spot Phyllosticta sojaecola. Phymatotrichum root rot = cotton root rot Phymatotrichopsis omnivora = Phymatotrichum omnivorum [citation needed] Pod and stem blight Diaporthe phaseolorum Phomopsis sojae [anamorph] Powdery mildew Microsphaera diffusa. Purple seed stain Cercospora kikuchii. Pyrenochaeta leaf spot Pyrenochaeta glycines

  6. Cercospora kikuchii - Wikipedia

    en.wikipedia.org/wiki/Cercospora_kikuchii

    Seed: The disease on the host soybean itself can be determined by a light activated red perlene quinon, cercosporin, with a molecular weight of 534. In being exposed to light, cercosporin causes oxidative damage to the hosts cells membranes, lipids, and proteins, resulting in cell death (Newman 2016).

  7. Peronospora manshurica - Wikipedia

    en.wikipedia.org/wiki/Peronospora_manshurica

    A 2016 study showed that infected plants did not exhibit decreased numbers of soybean pods or grains per pod, however seed weight decreased linearly with increasing downy mildew severity. [3] It has also been shown to cause 9-18% yield losses during epidemics. [ 7 ]

  8. Colletotrichum truncatum - Wikipedia

    en.wikipedia.org/wiki/Colletotrichum_truncatum

    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]

  9. Sudden death syndrome - Wikipedia

    en.wikipedia.org/wiki/Sudden_Death_Syndrome

    Toxins are produced when the pathogen colonizes the lower parts of the soybean cortex. These toxins travel up the xylem to the leaves, causing leaf chlorosis and necrosis, eventually leading to leaf and pod drop. [5] [2] Blue Fungal spore masses are produced on the roots of the plant where macroconidia are formed.