Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 431459
Title Mycosphaerella and Teratosphaeria species associated with leaf diseases on Eucalyptus globulus in southern Brazil
Author(s) Teodoro, M.G.; Ferreira, M.A.; Guimarães, L.M.S.; Mafia, R.G.; Groenewald, J.Z.; Crous, P.W.; Alfenas, A.C.
Source Phytopathologia Mediterranea 51 (2012)2. - ISSN 0031-9465 - p. 355 - 364.
Department(s) Laboratory of Phytopathology
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) ribosomal dna-sequences - phylogenetic reassessment - anamorphs - nubilosa - spp. - identification - dissoconium - plantations - lateralis - australia
Abstract Leaf blight and defoliation caused by Teratosphaeria species is one of the most important leaf diseases of Eucalyptus globulus. Due to the importance of this tree species for the production of pulp and paper, and recent reports of severe leaf disease symptoms in Brazil, the present study was conducted to identify the pathogen(s) involved. Symptomatic leaves were collected in the Brazilian states of Paraná and Rio Grande do Sul, single ascospore cultures established, and isolates were investigated using DNA-based molecular tools. A species-specific PCR and sequence data from the nuclear ribosomal DNA operon were used for species identification. The following seven species were identified: Mycosphaerella scytalidii, Dissoconium dekkeri (=M. lateralis), Teratosphaeria ohnowa, T. perpendicularis, T. pseudafricana, T. flexuosa and T.nubilosa. Of the recorded species, T. nubilosa is regarded as the most serious threat to the cultivation of E. globulus in the states surveyed.
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