ISHS Acta Horticulturae 64: Symposium on Production of Potted Plants and Cut Flowers
PHOTOREGULATED DICENTRA SPECTABILIS (L) LEM. AS A POTENTIAL POTTED PLANT |
| Authors: | T.C. Weiler, L.C. Lopes |
| Abstract:
Light flux, growing temperature, and growth retardant studies were made on Dicentra spectabilis. Quality above-ground growth and inflorescence initiation occurred at 144 000 to 352 000 lux-hours/day, but anthesis and greater root growth occurred at the higher light flux. Inflorescence initiation was faster at 15°C than 22.5°, and at both temperatures there was considerably greater growth than at 30°. Inflorescence initiation did not occur at 30°. Height was effectively reduced by SADH, but not by cycocel. From the information available, commercial production of the species in long photoperiods seems feasible, but further studies are necessary. | |
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