Pigment of the imagination: a history of phytochrome research

Abstract

Daylength and flowering the 1930s spectral studies action spectra for floral induction action spectra for elongation growth photoreversibility the 1950s high-energy responses detection partial purification the properties of phytochrome phototransformation in vivo spectrophotometric studies seed germination and flowering photoperiodic timing mougeotia ode of action the Hartmann model large phytochrome the gene regulation hypothesis dark transformations localization properties of large phytochrome the membrane hypothesis high-irradiance responses the very low fluence response - a dimer model shade avoidance the chromophore native phytochrome native pr and pfr sequestered and ubiquitinated phytochrome multiple phytochromes gene regulation autoregulation phytochrome and flowering. Epiloque: weed control coloured mulch.