Article
Mating-Type Gene Structure and Spatial Distribution of Didymella tanaceti in Pyrethrum Fields.
Phytopathology - 1 Dec 2016
Pearce Tamieka L, Scott Jason B, Hay Frank S, Pethybridge Sarah J
Abstract excerpt
Tan spot of pyrethrum (Tanacetum cinerariifolium) is caused by the ascomycete Didymella tanaceti. To assess the evolutionary role of ascospores in the assumed asexual species, the structure and arrangement of mating-type (MAT) genes were examined. A single MAT1-1 or MAT1-2 idiomorph was identified in all isolates examined, indicating that the species is heterothallic. The idiomorphs were flanked upstream and...
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