Abstract
Phototropic reversal of Phycomyces sporangiophores can be elicited by a change to darkness during steady-state phototropism. The reversal lasts 25–30 min under these conditions. Control experiments show that the reversal is not caused by gravitropism. Tropic reversal is also elicited by the removal of a barrier during an avoidance response, showing that the reversal occurs at the output of the sensory transduction chain.
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Galland, P., Russo, V.E.A. Tropic reversal in Phycomyces . Planta 163, 401–404 (1985). https://doi.org/10.1007/BF00395149
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DOI: https://doi.org/10.1007/BF00395149