Abstract
During a search for the presence of phytochrome in plant parts, low in chlorophyll, we observed a pigment photoreaction in petals of “white”Viola flowers. It consisted of a relatively slow decline of the transmission changes resulting from actinic irradiation, during a subsequent dark period. Since the usual instrumentation for phytochrome measurement (SPRUIT 1970) is not very suitable for dealing with this type of transient effects, we developed a dual wavelength interference filter spectrometer, capable of detecting small absorption changes quasi-continuously during sample irradiation with high intensity monochromatic light.
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Bibliography
Kok, B. & G. Hoch - 1961 - in: Light and Life, Eds. W.D. McElroy & B. Glass, Baltimore, 397–423.
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© 1972 Dr. W. Junk N.V. Publishers, The Hague
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Spruit, C.J.P. (1972). Photoreactive Pigments in Flower Petals. In: Forti, G., Avron, M., Melandri, A. (eds) Photosynthesis, two centuries after its discovery by Joseph Priestley. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2938-4_85
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DOI: https://doi.org/10.1007/978-94-010-2938-4_85
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-2940-7
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