Peltaster gemmifer: A new species in the sooty blotch and flyspeck species complex from the United States

Mycologia
Hafizi RosliMark L Gleason

Abstract

Sooty blotch and flyspeck (SBFS) fungi infect the cuticle of fruit, including apple fruit, and produce pigmented colonies. A new member of this fungal complex in the genus Peltaster is described on the basis of molecular and morphological evidence. The SBFS complex is a diverse group of ectophytic fungi that reside primarily within the order Capnodiales. Sooty blotch and flyspeck isolates from apple orchards in the central United States were subjected to parsimony and Bayesian analyses based on the internal transcribed spacer regions of nuc rDNA, the partial translation elongation factor 1-α gene, and the partial mitochondrial small subunit rRNA gene. Phylogenetic analysis delineated a new species, Peltaster gemmifer, from P. cerophilus and P. fructicola. Peltaster gemmifer conidiophores bear primary conidia that produce secondary conidia either through budding or through microcyclic conidiation; these were not seen in cultures of P. cerophilus and P. fructicola. On cellulose membrane that was placed on water agar amended with apple juice, P. gemmifer produced brown to black pycnothyria in a superficial brownish mycelial mat, similar to the colonies produced on apple fruit. Findings from the present study add to the >80 named a...Continue Reading

References

Oct 24, 2008·Phytopathology·Carrie L Lapaire, Larry D Dunkle
Jan 1, 1997·Phytopathology·E M JohnsonC S Hodges
Feb 20, 2010·Studies in Mycology·P W CrousJ Z Groenewald
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
May 9, 2014·Mycobiology·Boknam JungJungkwan Lee
May 30, 2014·Mycologia·Ajda MedjedovićJean Carlson Batzer
Apr 1, 2011·Plant Disease·Mark L GleasonBernhard Oertel
Jul 1, 2000·Plant Disease·Sharon M Williamson, Turner B Sutton

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Citations

Sep 10, 2019·Frontiers in Microbiology·Dongxu SongGuoxiong Peng

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