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The Research Literature database was created and funded by the Florida Wildflower Foundation. Use the search features below to find scientific articles on native wildflowers that are commercially available or used in restoration projects.
Floral initiation in Rudbeckia hirta (Asteraceae) under limited inductive photoperiodic treatments
Author(s): R. L. Harkess and R. E. Lyons
Journal: American Journal of Botany
Article Topic(s): Light, Phenology, Propagation
Research Setting(s): Greenhouse
Species Referenced: Rudbeckia hirta (Black-eyed susan),
AbstractEvaluates the effects of alternating cycles of modified day length on flower development of Rudbeckia hirta in a production environment. Plants receiving 24 or more long days began floral development earlier than plants receiving fewer long days.
Suggested CitationR. L. Harkess and R. E. Lyons. "Floral initiation in Rudbeckia hirta (Asteraceae) under limited inductive photoperiodic treatments." American Journal of Botany 81.8 (1994): 1021-1026.