Abstract
Changes in the levels of indole-3-acetic acid (IAA) and abscisic acid (ABA) in tomato (Lycopersicon esculentum Mill.) fruit pericarp tissue during development through ripening were measured by GC-SIM-MS using d3-ABA and 13C6-IAA internal standards. In the two cultivars of fieldgrown tomatoes analyzed, the highest IAA levels (8–24 ng/g fw) were found at the earliest stage of development (7 days after anthesis) followed by a rapid decline in levels of the hormone. ABA levels of 40–60 ng/g fw were found at the earliest stages of development followed by a decline in levels until ripening occurred when elevated ABA levels (125 ng/g fw) were measured.
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Buta, J.G., Spaulding, D.W. Changes in indole-3-acetic acid and abscisic acid levels during tomato (Lycopersicon esculentum Mill.) fruit development and ripening. J Plant Growth Regul 13, 163–166 (1994). https://doi.org/10.1007/BF00196382
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DOI: https://doi.org/10.1007/BF00196382