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  • AID0290919490
  • DOI10.1093/oxfordjournals.aob.a086644

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Studies with Liatris spicata Willd. 2. Effects of Photoperiod on Stem Extension, Flowering and Gibberellin Content

Annals of Botany
Annals of Botany
Журнал с антэкологическими публикациями.
Oxford University Press · office@annbot.com

, 1983. V. 52. No. 6. P. 855–859
Flower formation in Liatris spicata Willd. was not affected by photoperiodic treatments, but long days (16 h) had a pronounced effect on elongation of the flowering stem. An illuminance of 2 Ix was sufficient to produce near maximal elongation.Long days caused a decrease in endogenous gibberellins in the tips of rapidly elongating stems and decreased the number of flowering stems per corm.

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