Soybean ( L.) seeds showing serious symptoms from rotted pods were collected from fields during the harvesting period (July to August 2020) in Taihu Farm, Jingzhou City, Hubei Province, China. strains were frequently encountered during fungal isolation. According to the morphology and prepathogenicity tests, six strains showing variable effects on the seeds were selected for identification based on morphology and multilocus phylogenetic analysis of the internal transcribed spacer (ITS) region of the ribosomal DNA, translation elongation factor (α), calmodulin (), β-tubulin (), and partial RNA polymerase second largest subunit (), and to evaluate the pathogenic abilities on seed, root, and pod. The results indicated that the strains contained two species ( and ) in the species complex (FFSC) and two species ( and ) from the species complex (FIESC). The two species of FFSC were more aggressive than those of FIESC on soybean seed, root, and pod. Among the strains, YZU 201408 exhibited the most pathogenicity on all tests, with 72.2 to 90% disease severity.
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