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Distinct basidiospore development in Tricholosporum laeteviolaceum

Published online by Cambridge University Press:  02 February 2001

Cecilia ROUX ,
André J. BOTHA  and
Albert EICKER
Cecilia ROUX
Affiliation:
National Collection of Fungi, Biosystematics Division, ARC-Plant Protection Research Institute, Private Bag X134, Pretoria 0001, South Africa
André J. BOTHA
Affiliation:
Unit for Microscopy and Micro-analysis, University of Pretoria, Pretoria 0002, South Africa
Albert EICKER
Affiliation:
Department of Botany, University of Pretoria, Pretoria 0002, South Africa. E-mail: [email protected]
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Abstract

The genus Tricholosporum is characterised by cruciate spores. The formation of these basidiospores and their subsequent growth until release from the sterigmata, is described from a sequence of SEM photographs. The spores on a basidium form either a diad, a triad or a tetrad during their development. The outer cell wall layer of the basidiospore enlarges, resulting in the cruciate shape of the spores and the ultimate calyptrate appearance after release when desiccated. The spores are seceded sequentially.

Type
Research Article
Information
Mycological Research , Volume 104 , Issue 11 , November 2000 , pp. 1379 - 1383
Copyright
© The British Mycological Society 2000

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