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Regulation of gibberellin biosynthesis and stem elongation by low temperature in Eustoma grandiflorum

Hisamatsu, Tamotsu; Koshioka, Masaji; Mander, Lewis

Description

Heat-induced rosetted Eustoma grandiflorum requires low temperature for induction of stem elongation and flowering. Although heat-induced rosetting is associated with a reduction of gibberellin A1 (GA1) content, how thermo-induction affects GA biosynthesis is unclear. Thus, we examined levels of GA, precursors including that of ent-kaurene which is the first committed step in GA biosynthesis. We used uniconazole, an ent-kaurene oxidase inhibitor to estimate the ent-kaurene biosynthesis...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/77900
Source: Journal of Horticultural Science and Biotechnology

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