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Ballistospore Discharge in Basidiomycetes


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Formal Metadata

Title Ballistospore Discharge in Basidiomycetes
Alternative Title Abschuß von Ballistosporen bei Basidiomyceten
Author Webster, John
Contributors Hard, Trude (Redaktion)
Poloczek, Elvira (Redaktionsassistenz)
Lorenz, Eckhard (Redaktionsassistenz)
Wittmann, Horst (Kamera)
Dröscher, Roland (Kamera)
Schimanski, Georg (Kamera)
Kaeding, Jürgen (Mikrokinematographie)
Hornig, Sybille (Assistenz)
Yousefpour, Abbas (MAZ-Technik)
Danckwortt, Christine (Schnitt)
Creaton, Gesellschaft für elektronische Mediengestaltung, Frankfurt/Main (Graphik und Trick)
License CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
DOI 10.3203/IWF/C-1993eng
IWF Signature C 1993
Publisher IWF (Göttingen)
Release Date 1998
Language English
Producer IWF
Production Year 1990

Technical Metadata

IWF Technical Data Video ; F, 10 1/2 min

Content Metadata

Subject Area Life Sciences
Abstract Violent spore discharge in mushrooms and other basidiomycetes uses the same mechanism: Due to certain morphological and physiological properties of the spore wall, two liquid droplets are formed. When these two droplets coalesce, the surface area of the fusion droplet is reduced, which instantly generates energy utilized in spore discharge. Investigations were made with Itersonilia perplexans, a ubiquitous fungus which is easily grown in culture. The film introduces the organism, shows for the first time the process preceding spore discharge, and presents experiments which clarify the origin of the drops. The processes and physical forces during spore discharge are explained by animation. Includes time-lapse.
Keywords spore discharge
germination, direct
germination, indirect
mycelial growth
adaxial drops
surface tension
Itersonilia perplexans

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