Action Potentials inLupinus angustifoliusL. shoots
- 1 October 1973
- journal article
- Published by Oxford University Press (OUP) in Journal of Experimental Botany
- Vol. 24 (5) , 804-809
- https://doi.org/10.1093/jxb/24.5.804
Abstract
In Lupinus shoots electrical stimulus (DC) produces a voltage wave identical in character with the action potential in stimulated simple plant cells or in nerves. These action potentials were registered with a Kipp and Zonen Micrograph BD3, calomel electrodes, and an electrometer (input impedance, 1014 Ω). The wave form and its amplitude propagation velocity, point of initiation, threshold value of the stimulus, and refractory period were considered; the interdependence between these parameters and the magnitude and manner of application of the electrical stimulus are discussed. An analogy with Pflüger's laws was found.Keywords
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