Chili anthracnose: Colletotrichum taxonomy and pathogenicity
Colletotrichum
species mostly associated with the acutatum, truncatum and gloeosporioides complexes. Since 2009 the
Colletotrichum
taxonomy has been extensively revised based on multigene phylogenetics, which has had a large impact on the number of species known to cause anthracnose disease of chili. This review discusses (i) the taxonomy of
Colletotrichum
spp. infecting chili, and (ii) the impact of
Colletotrichum
pathotypes on breeding for resistance to anthracnose. To date, 24
Colletotrichum
species have been identified as pathogens of chili anthracnose, with the three main pathogens being
C. scovillei
,
C. truncatum
and
C. siamense
. Identification of several pathotypes within these three
Colletotrichum
species, particularly pathotypes that can overcome resistance in the related
Capsicum
species,
Ca. chinense
and
Ca. baccatum
, will be of major concern to plant breeders as they develop resistant chili genotypes from the transfer of resistance genes from these
Capsicum
species into
Ca. annuum
. Accurate identification of the
Colletotrichum
species causing anthracnose and improved understanding of the biology of the
Colletotrichum
species and their interaction with the host will enable the application of improved integrated disease management techniques.
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Dilani D. de Silva, Pedro W. Crous, Peter K. Ades et al.
RALPH DEAN, Jan A. L. van Kan, ZACHARIAS A. PRETORIUS et al.
Y. Marin-Felix, J.Z. Groenewald, L. Cai et al.
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- Published
- Mar 25, 2018
- Vol/Issue
- 67(6)
- Pages
- 1255-1263
- License
- View
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