Summary
The abscisic acid contents of birch, maple and sycamore plants growing under long and short photoperiods were measured by gas-liquid chromatography. No increase was observed in the abscisic acid content of extracts when plants were transferred to dormancy-inducing conditions.
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Lenton, J.R., Perry, V.M. & Saunders, P.F. Endogenous abscisic acid in relation to photoperiodically induced bud dormancy. Planta 106, 13–22 (1972). https://doi.org/10.1007/BF00385469
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DOI: https://doi.org/10.1007/BF00385469