Abstract
Roots of Acer pseudoplatanus seedlings grown in liquid nutrient medium contained much lower levels of both free and bound abscisic acid than did leaves. The levels of free abscisic acid were similar in young expanding and of mature leaves, but lower in older senscing leaves. Growing plants under long days or short days did not influence the levels of free and bound abscisic acid in leaves. However, under both long days and short days, levels of bound abscisic acid were lower at the end of the dark period than 8 h later during the light period. Phaseic acid was also detected during the light period but never at the end of the dark period.
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Abbreviations
- ABA:
-
abscisic acid
- PA:
-
phaseic acid
- SD:
-
short day
- GLC:
-
gas-liquid chromatography
- LD:
-
long day
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Phillips, I.D.J., Miners, J. & Roddick, J.G. Effects of light and photoperiodic conditions on abscisic acid in leaves and roots of Acer pseudoplatanus L.. Planta 149, 118–122 (1980). https://doi.org/10.1007/BF00380871
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DOI: https://doi.org/10.1007/BF00380871