@ARTICLE{TreeBASE2Ref15140, author = {Pedro W. Crous and Merion M Liebenberg and Uwe Braun and Johannes (Ewald) Zacharias Groenewald}, title = {Re-evaluating the taxonomic status of Phaeoisariopsis griseola, the causal agent of angular leaf spot of bean}, year = {2006}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Studies in Mycology}, volume = {}, number = {}, pages = {}, abstract = {Angular leaf spot of Phaseolus vulgaris is a serious disease caused by Phaeoisariopsis griseola, in which two gene pools are known, namely Andean and the Middle-American one. Sequence analysis of the SSU region of nrDNA, revealed the genus Phaeoisariopsis to be indistinguishable from other hyphomycete anamorph genera of Mycosphaerella, namely Pseudocercospora and Stigmina. A new combination is therefore proposed in the genus Pseudocercospora, a name to be conserved over Phaeoisariopsis and Stigmina. Further comparisons by means of morphology, cultural characteristics, and DNA sequence analysis of the ITS, calmodulin, and actin gene regions delineated two groups within P. griseola, which are recognised as two formae, namely f. griseola and f. mesoamericana.} }

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