Effectiveness of Intermittent Light Treatments on Anthocyanin Synthesis in Dark-Grown and Light-Pretreated Seedlings
- 1 May 1985
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 78 (1) , 203-206
- https://doi.org/10.1104/pp.78.1.203
Abstract
Differences in the extent of anthocyanin production between intermittent light treatments with short and long dark intervals between successive irradiations are more pronounced in dark-grown than in light-pretreated cabbage seedlings. This observation is consistent with the hypothesis, based on destruction kinetics data, that there might be two pools of phytochrome, a labile one and a stable one, present in different proportions in dark-grown and light-pretreated seedlings, and suggests that light-dependent changes of the stable to labile phytochrome ratio might be physiologically significant in the photoregulation of photomorphogenic responses.Keywords
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