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Annals of Botany 28: 239-249, 1964
© 1964 Annals of Botany Company

RESEARCH-ARTICLE

The Measurement of Electrostatic Charges on Spores of Merulis lacrymans (Wulf.) Fr.

P. SWINBANK*, J. TAGGART and S. A. HUTCHINSON

Natural Philosophy Department Glasgow University
Botany Department Glasgow University

Spores of Merulius lacrymans were allowed to fall through a measured horizontal electric field. The distance of displacement from vertical fall gave a measureof the charge/mass ratio of the spores. The mass of a ‘mean’ spore was measured by direct weighing, and calculation then gave a negative electrostatic charge on a ‘mean’ spore as (i.35±o.12) x 10–8 e.s.u. It is shown that a charge of this order of size can exert no significant effect on the movement of the spores in relation to the hymenial surfaces.


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