Abstract:
:In 2009 unusual white pine needle discoloration was observed in eastern Canada and northeastern USA. While the symptoms were similar in most pine stands, the disease was diagnosed as Canavirgella banfieldii in several locations and Dooks needle blight caused by Lophophacidium dooksii in others. Because of the similarities in symptom development and morphological characters of the causal agents, it was suspected that C. banfieldii and L. dooksii are either the same or closely related species. To test this hypothesis we examined several collections representing C. banfieldii and L. dooksii, including the two type specimens. Phylogenetic analyses of nuc internal transcribed spacer rDNA sequences confirm the synonymy of C. banfieldii with the earlier described L. dooksii and provide the first evidence of the close evolutionary relationship of L. dooksii to other pine pathogens.
journal_name
Mycologiajournal_title
Mycologiaauthors
Laflamme G,Broders K,Côté C,Munck I,Iriarte G,Innes Ldoi
10.3852/14-096subject
Has Abstractpub_date
2015-07-01 00:00:00pages
745-53issue
4eissn
0027-5514issn
1557-2536pii
14-096journal_volume
107pub_type
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