ISHS Acta Horticulturae 71: Symposium on Carnations
INFLUENCE OF PHOTOPERIOD ON IMPROVED 'WHITE SIM' CARNATION (DIANTHUS CARYOPHYLLUS L.) BRANCHING AND FLOWERING |
| Authors: | R.D. Heins, H.F. Wilkins |
| Abstract:
Plants were rotated between long day (LD), normal days (ND), and short days (SD) 0, 21, 42, 63, or 84 days after removing the terminal shoot from cuttings. SD stimulated lateral branching which is required for rapid future flower production while LD inhibited it. The SD inhibited stem elongation and flowering while LD stimulated both. The SD given to shoots that were not sufficiently developed or that were reproductive had no affect on subsequent lateral branching. | |
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