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Effect of light source and quality on endogenous gibberellin level and GA 3 response of petunia ( Petunia x hybrida Vilm)

Ubukawa, Masami; Fukuda, Naoya; Oyama-Okubo, Naomi; Koshioka, Masaji; Mander, Lewis; Sase, Sadanori; Nishimura, Shigeo


Petunia (Petunia X hybrida Vilm.) 'Baccarat Blue' under high pressure sodium lamp (HPS) exhibits, dwarfism compared with one grown under a daylight type metal halide lamp (MH). The role of gibberellin (GA) in this growth change, caused by artificial lighting was investigated. The amounts of GA20 and GA1 were lower in petunia grown under HPS than those under MH, but, the levels of GA19 were similar in both treatments. Plant height of petunia was decreased by treatment with uniconazol, but the...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of the Japanese Society for Horticultural Science


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