Fig. 1. Novel Alternaria species strain 22-162 infecting garlic mustard (Alliaria petiolata). (A) Field-collected diseased garlic mustard leaves. Four-week growth on potato dextrose agar medium (B) and V8 medium (C). (D and E) Foliar symptoms at 10 days postinoculation. (F and G) Stem lesions at 16 days postinoculation.
Matthew A. Tancos, Jami L. Thomas, and Sydney McCauslin present the first documentation of a novel pathogenic #Alternaria species identified from the introduced range of the invasive weed garlic mustard: https://doi.org/10.1094/PDIS-03-25-0653-SC
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