Persoonia (2010) 24, 1-11

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L. Lombard, X.D. Zhou, P.W. Crous, B.D. Wingfield and M.J. Wingfield (2010)
Calonectria species associated with cutting rot of Eucalyptus
Persoonia 24, 1-11
Abstract: Decline in the productivity of Eucalyptus hybrid cutting production in the Guangdong Province of China is linked to cutting rot associated with several Calonectria spp. The aim of this study was to identify these fungi using morphological and DNA sequence comparisons. Two previously undescribed Calonectria spp., Ca. pseudoreteaudii sp. nov. and Ca. cerciana sp. nov. were identified together with Ca. pauciramosa. Calonectria pseudoreteaudii resides in the Ca. reteaudii complex and Ca. cerciana is closely related to Ca. morganii. Connected to the discovery of Ca. pseudoreteaudii, species in the Ca. reteaudii complex were re-considered and the group is shown to accommodate two cryptic species. These originate from Australia and are described as Ca. queenslandica sp. nov. and Ca. terrae-reginae sp. nov.
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Full text of article
Database assignments for author(s): Pedro W. Crous, Brenda D. Wingfield, Michael J. Wingfield, Lorenzo Lombard

Research topic(s) for pests/diseases/weeds:
identification/taxonomy


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Calonectria pteridis
Calonectria pauciramosa Eucalypt (Eucalyptus)
Calonectria spathiphylli
Calonectria reteaudii Indonesia
Calonectria hawksworthii Mauritius
Calonectria cylindrospora Panama
Calonectria pseudoreteaudii Eucalypt (Eucalyptus) China (south)
Calonectria cerciana Eucalypt (Eucalyptus) China (south)
Calonectria queenslandica Eucalypt (Eucalyptus) Australia (NT+QLD)
Calonectria terrae-reginae Eucalypt (Eucalyptus) Australia (NT+QLD)