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Changes in gibberellin levels in the flowering shoot of Phalaenopsis hybrida under high temperature conditions when flower development is blocked

Su, Wengui; Chen, Wen-Shaw; Koshioka, Masaji; Mander, Lewis; Hung, Li Sang; Chen, Wen-Huei; Fu, Y; Huang, Kuang Liang


The ability of exogenous gibberellin (GA) A3 to substitute for low temperatures in inducing flowering in Phalaenopsis hybrida under high temperatures suggests a similar role for endogenous GAs in normal (low temperature) development of the inflorescence and floral buds. Changes in endogenous GAs in shoot-tips (about 2.0 cm long) were examined when the potentially flowering shoot was 2-3 cm and 7-10 cm long, respectively. Treatments included warm control (30/25 °C day/night, non-flowering),...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Plant Physiology and Biochemistry
DOI: 10.1016/S0981-9428(00)01218-3


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