Abstract
Changes in the levels of [14C]indole-3-acetic acid (IAA) and [14C]indole-acetylaspartic acid (IAAsp) were examined during adventitious root formation in mung bean (Vigna radiata [L.] R. Wilcz. `Berken') stem cuttings. IAAsp was identified by GC-MS as the primary conjugate in IAA-treated cuttings. During root formation in IAA-treated cuttings, the level of [14C]IAAsp increased rapidly the first day and then declined; [14C]IAA was rapidly metabolized and not detected after 12 hours.
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