First Report of Boeremia Blight Caused by Boeremia exigua var. exigua on Pyrethrum in Australia.
Pyrethrum (Tanacetum cinerariifolium) is produced for extraction of insecticidal compounds from the flower achenes. In 2004 and 2006, isolations from necrotic lesions on stems and leaves in three fields in northern Tasmania, Australia yielded 4 unidentified fungal isolates. Leaf lesions have been medium brown and round (2 to Four mm in diameter) or irregular in form (2 …