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Changes in free and conjugated indole-3-acetic acid during early stage of flower bud differentiation in Polianthes tuberosa

Ding, Shih-Fen; Chen, Wen-Shaw; Su, Stephen; Du, Huiling; Twitchin, Bruce; Bhaskar, K


Tuberose (Polianthes tuberosa L. cv. Double) corms at the vegetative, early floral initiation, and flower bud differentiation stages were assayed for free indole-3-acetic acid (IAA), esterified IAA, and peptidyl IAA. The corms in the vegetative stage contained higher free IAA than those from the early floral initiation stage. Free IAA in corm tissues increased 2.7-fold at flower bud differentiation as compared to the vegetative stage. In the vegetative corms, a marked promotion of leaf...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Plant Physiology and Biochemistry


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