P.W. Crous

Taxonomy and phylogeny of the genus Mycosphaerella and its anamorphs

Pieter Willem Crous

Submitted in fulfilment of the requirements for the degree

DOCTOR SCIENTIAE

In the Faculty of Natural and Agricultural ScienceDepartment of Microbiology and Plant Pathology

University of PretoriaPretoria

March 2009

Promoter: Prof. M.J. Wingfield

Taxonomy and phylogeny of the genus Mycosphaerella and its anamorphs

©© UUnniivveerrssiittyy ooff PPrreettoorriiaa

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P.W. Crous

DeclarationI, the undersigned, hereby testify that the publications submitted for this doctoral degree have not previously been submitted to this or any other tertiary institution for such a doctoral degree; are my own work, and with regard to such publications of which I am co-author, my personal contribution to those works is clearly stated; takes place with due recognition given to the author’s copyright in accordance with the case.

P.W. Crous

March 2009

List of articles 1 Taxonomy and phylogeny of the genus Mycosphaerella and its

anamorphs

2 Phylogenetic and morphotaxonomic revision of Ramichloridium and allied genera

3 Multiple gene genealogies and phenotypic characters differentiate

several novel species of Mycosphaerella and related anamorphs on banana

4 Multigene phylogenies reveal that red band needle blight of Pinus is

caused by two distinct species of Dothistroma, D. septosporum and D. pini

5 Species of Mycosphaerella and related anamorphs on Eucalyptus

leaves from Thailand 6 Isolation and characterization of the mating type locus of

Mycosphaerella fijiensis, the causal agent of black leaf streak disease of banana

7 Mycosphaerella is polyphyletic

8 Eyespot of cereals revisited: ITS phylogeny reveals new species

relationships

9 Species of Cercospora associated with grey leaf spot of maize

10 Phylogenetic reassessment of Mycosphaerella spp. and their anamorphs occurring on Eucalyptus

11 Cryptic speciation and host specificity among Mycosphaerella spp.

occurring on Australian Acacia species grown as exotics in the tropics

12 Re-evaluating the taxonomic status of Phaeoisariopsis griseola, the causal agent of angular leaf spot of bean

13 Metulocladosporiella gen. nov. for the causal organism of

Cladosporium speckle disease of banana 14 Foliicolous Mycosphaerella spp. and their anamorphs on Corymbia

and Eucalyptus 15 Host specificity and speciation of Mycosphaerella and Teratosphaeria

species associated with leaf spots of Proteaceae 16 Eucalyptus microfungi known from culture. 1. Cladoriella and

Fulvoflamma genera nova, with notes on some other poorly known taxa

17 Phylogenetic reassessment of Mycosphaerella spp. and their

anamorphs occurring on Eucalyptus. II 18 Foliicolous microfungi occurring on Encephalartos 19 Characterization and distribution of mating type Genesin the ... 20 Host range of Cercospora apii and C. beticola and description of C.

apiicola, a novel species from celery 21 Distinct species exist within the Cercospora apii Morphotype 22 Mating type gene analysis in apparently asexual Cercosporaspecies

is suggestive of cryptic sex 23 Indirect evidence for sexual reproduction in Cercospora Beticola

populations from sugar beet

24 A multi-gene phylogeny for species of Mycosphaerella occurring on Eucalyptus leaves

25 A multigene phylogeny of the Dothideomycetes using four nuclear loci

26 Biodiversity in the Cladosporium herbarum complex (Davidiellaceae, Capnodiales), with standardisation of methods for Cladosporium taxonomy and diagnostics

27 Mating-type genes and the genetic structure of a world-widecollection

of the tomato pathogen Cladosporium fulvum 28 Mycosphaerella punctiformis revisited : morphology, phylogeny, and

epitypification of the type species of the genus Mycosphaerella (Dothideales, Ascomycota)

29 Discovery of a functional Mycosphaerella teleomorph in thepresumed

asexual barley pathogen Septoria passerinii 30 Phylogeny and ecology of the ubiquitous saprobe Cladosporium

sphaerospermum, with descriptions of seven new species from hypersaline environments