Calonectria (Cylindrocladium) species associated with dying Pinus cuttings

L. Lombard, C.A. Rodas, P.W. Crous, B.D. Wingfield, M.J. Wingfield

Research output: Contribution to journalArticleAcademicpeer-review

23 Citations (Scopus)

Abstract

Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings in a commercial forest nursery in Colombia led to the isolation of two Cylindrocladium anamorphs of Calonectria species. The aim of this study was to identify these species using DNA sequence data and morphological comparisons. Two species were identified, namely one undescribed species, and Cy. gracile, which is allocated to Calonectria as Ca. brassicae. The new species, Ca. brachiatica, resides in the Ca. brassicae species complex. Pathogenicity tests with Ca. brachiatica and Ca. brassicae showed that both are able to cause disease on Pinus maximinoi and P. tecunumanii. An emended key is provided to distinguish between Calonectria species with clavate vesicles and 1-septate macroconidia
Original languageEnglish
Pages (from-to)41-47
JournalPersoonia
Volume23
DOIs
Publication statusPublished - 2009

Fingerprint

Calonectria
Cylindrocladium
Pinus
forest nurseries
anamorphs
pathogenicity
Pinus tecunumanii
species complex
vesicle
cutting (process)
nursery crops
pathogen
new species
DNA
mortality
Colombia

Keywords

  • dna-sequences
  • beta-tubulin
  • eucalyptus
  • fusarium
  • disease
  • morphology
  • alignment
  • kerala

Cite this

Lombard, L. ; Rodas, C.A. ; Crous, P.W. ; Wingfield, B.D. ; Wingfield, M.J. / Calonectria (Cylindrocladium) species associated with dying Pinus cuttings. In: Persoonia. 2009 ; Vol. 23. pp. 41-47.
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abstract = "Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings in a commercial forest nursery in Colombia led to the isolation of two Cylindrocladium anamorphs of Calonectria species. The aim of this study was to identify these species using DNA sequence data and morphological comparisons. Two species were identified, namely one undescribed species, and Cy. gracile, which is allocated to Calonectria as Ca. brassicae. The new species, Ca. brachiatica, resides in the Ca. brassicae species complex. Pathogenicity tests with Ca. brachiatica and Ca. brassicae showed that both are able to cause disease on Pinus maximinoi and P. tecunumanii. An emended key is provided to distinguish between Calonectria species with clavate vesicles and 1-septate macroconidia",
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Calonectria (Cylindrocladium) species associated with dying Pinus cuttings. / Lombard, L.; Rodas, C.A.; Crous, P.W.; Wingfield, B.D.; Wingfield, M.J.

In: Persoonia, Vol. 23, 2009, p. 41-47.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Calonectria (Cylindrocladium) species associated with dying Pinus cuttings

AU - Lombard, L.

AU - Rodas, C.A.

AU - Crous, P.W.

AU - Wingfield, B.D.

AU - Wingfield, M.J.

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KW - fusarium

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