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Abstract Detail


MSA - Systematics/Evolution

Pereira-Carvalho, Rita de Cassia [1], Inacio, Carlos A [1], Dianese, Jose C [1].

New multi-ascosporic capnodiaceous fungus from the Cerrado.

A capnodiaceous ascomycete belonging in a new genus was found in the Brazilian Cerrado, and characterized by: colonies effuse, epiphyllous, superficial; mycelium superficial, light brown to brown; hyphae septate, branched, light brown; hyphal cells cylindrical [9-17 (12) × 2-5 (3) μm] or monilioid [9-19 (12) × 4-6 (4) μm]; ascomata 109-198 (140) μm diam., ostiolate, globose or ovoid, superficial, unilocular, smooth; wall with textura ranging from globose to angular; asci 44-69 (54) × 27-44 (31) μm, broadly clavate or obovoid, bitunicate, aparaphysate, about 64-spored; ascospores 7-10 (8) × 3-4 (3) μm, hyaline, elliptical to fusoid, 1-2-septate. None of the known genera in family Capnodiaceae could accommodate the new fungus. Thus, it will soon be described as the type species of a new monotypical genus to be published following the International Code of Botanical Nomenclature.


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1 - Universidade de Brasilia, Fitopatologia, Campus Universitario Darcy Ribeiro, Asa Norte, Brasilia, Distrito Federal, 70910-900, Brazil

Keywords:
Fungi
neotropical
Brazil.

Presentation Type: Oral Paper:Papers for Topics
Session: 53
Location: Cottonwood A/Snowbird Center
Date: Tuesday, July 28th, 2009
Time: 2:00 PM
Number: 53003
Abstract ID:79


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