Citation:
 | 987 KB |
Date Published:
Sep-OctAbstract:
A fungus isolated from Norway maple (Acer platanoides) in the Boston, Massachusetts, area was determined to be it species of Glomerella, the teleomorph of Colletotrichum, acutatum. Pure. cultures of the fungus were obtained from discharged ascospores from perithecia in leaf tissue. This fungus was determined to be homothallic based oil the observation of perithecial development in cultures of single-spore isolates grown oil minimal salts media and with Sterile toothpicks. A morphological and molecular analysis was conducted to determine the taxonomic position of this fungus. Parsimony analyses of a combined nucleotide dataset of the ITS and LSU rDNA re-ion, and of the D1-D2 LSU rDNA re-ion, indicated diat. this species has phylogenetic affinifies with Colletotrichum acutatum, C. acutatum f. Sp. pineum, C. lupini, C. phormii and G. miyabeana. These results are significant because C. acutatum has not been reported oil Acer platanoides. Ill addition the consistent presence of perithecia on leaf tissue and in culture is unusual for Colletotrichum in. suggesting that the teleomorphic state is' important ill file life cycle of this fungus.
Notes:
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