Co-Authors:
Abd-elrahem, A.W., Department of Ornamental Horticulture, Agricultural Research Organization, The Volcani Center, P.O.B. 6, Bet Dagan, 50250, Israel
Ecker, R., Department of Ornamental Horticulture, Agricultural Research Organization, The Volcani Center, P.O.B. 6, Bet Dagan, 50250, Israel
Barzilay, A., Department of Ornamental Horticulture, Agricultural Research Organization, The Volcani Center, P.O.B. 6, Bet Dagan, 50250, Israel
Abstract:
Acanitum napellus, a cut flower crop, was tested for its potential as a flowering potted plant. Paclobutrazol was used as a growth-retardant agent, applied by dipping the tubers before planting or drenching the growth medium, 2 weeks after planting. Paclobutrazol applications in the range of 12.5-25 p.p.m. (dip) and 0.5-2 mg pot-1 (drench), reduced plant height and inflorescence length, but the reduction in plant height was more moderate in the case of medium drench treatments. Increasing concentrations of paclobutrazol above these levels had no significant additional effect. Flowering potted plants were considered commercially desirable when the plant height was 20-30 cm and inflorescence length about 15 cm; this ratio was obtained in plants developed from tubers dipped in 12.5 p.p.m. paclobutrazol. © 1993.
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