Amaranthin accumulation in continuous red and blue light by seedlings ofAmaranthus caudatus L. |
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Authors: | H Göring Marianne Dörfler |
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Institution: | 1. Division of Biology, Department of Plant Physiology Sektion Biologie der Humboldt-Universit?t zu Berlin, Humboldt University, Invalidenstrasse 42, 1040, Berlin, German D. R.
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Abstract: | Four days oldAmaranthus seedlings responded to light treatment with an increase of amaranthin accumulation. With increasing irradiation time, red light caused a saturation effect. Blue light induced a high irradiation response. The blue light effect was reversible to a certain extent by far-red irradiation given at the end of the treatment with blue light. Intermittent red light (3 h red light, 3 h dark, …) caused a higher amaranthin accumulation than 24 h continuous red light. Results obtained with red and blue light are discussed on the basis of the phytochrome system. |
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