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7 December 2016 Gibberellic acid promotes flower stem elongation in ‘Renaissance Red’ poinsettia
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Abstract

Gibberellic acid (GA) used as a foliar spray on ‘Renaissance Red’ poinsettia (Euphorbia pulcherrima) greatly increased flower stem length without lengthening production time or other adverse effects. A concentration of 10 mg L-1 GA3 applied weekly for the five weeks prior to onset of short days was most effective.

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Ben A. Bergmann, John M. Dole, Paul Fisher, Geoffrey Njue, and Ingram McCall "Gibberellic acid promotes flower stem elongation in ‘Renaissance Red’ poinsettia," Canadian Journal of Plant Science 97(1), 14-16, (7 December 2016). https://doi.org/10.1139/cjps-2016-0111
Received: 4 April 2016; Accepted: 1 June 2016; Published: 7 December 2016
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