Abstract
The occurrence of catecholamines in lettuce seedlings was examined by bioassay and gas chromatography-mass spectrometry (GC-MS), since synthetic catecholamines can synergistically enhance the stimulating effect of gibberellic acid (GA3) on hypocotyl elongation of decotylized lettuce seedlings. The catecholamine fraction on TLC obtained from lettuce seedlings synergistically enhanced the GA3 effect on hypocotyl elongation. The analysis of the catecholamine fraction from lettuce seedlings by GC-MS demonstrated the occurrence of dopamine.
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Kamisaka, S., Shibata, K. Identification in lettuce seedlings of a catecholamine active in synergistically enhancing the gibberellin effect on lettuce hypocotyl elongation. Plant Growth Regul 1, 3–10 (1982). https://doi.org/10.1007/BF00024216
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DOI: https://doi.org/10.1007/BF00024216