Editorial Type:
Article Category: Research Article
| Online Publication Date: 01 Mar 1990
Paclobutrazol Inhibits Growth of Woody Landscape Plants
Paclobutrazol Inhibits Growth of Woody Landscape Plants
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Page Range: 41 – 47
Paclobutrazol, applied as a spray or drench, suppressed growth of 8 woody landscape species. Magnitude of growth inhibition was directly correlated with application rate, whereas both magnitude and duration of growth inhibition was influenced by application method. Generally, paclobutrazol when applied as a drench suppressed growth to a greater degree than did spray applications. Flowering or fruiting of 3 species was generally promoted with paclobutrazol, while phytotoxicity symptoms were observed on 4 species.Abstract
Keywords: Growth retardant; Bonzi; Clipper; growth inhibition; Bonzi (paclobutrazol) (2RS, 3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(lH-l,2,4-triazole-1-yl)pentan-3-ol; Japanese euonymus (Euonymus japonica ‘Microphylla’ H. Jaeg.); dwarf Burford holly (Ilex cornuta Lindl. & Paxt. ‘Burfordii Nana’); compacta Japanese holly (Ilex crenata Thunb. ‘Compacta’); shore juniper (Juniperus conferta Parl. ‘Blue Pacific’); Hino Crimson azalea (Rhododendron obtusum Planch ‘Hino Crimson’); Formosa azalea (Rhododendron indicum L. ‘Formosa’); photinia (Photinia × fraseri Dress); privet (Ligustrum japonicum Thunb. ‘Aureo-rnarginatum’)
Copyright: Copyright, All Rights Reserved 1990
Contributor Notes
2Associate Professor of Horticulture.
3Superintendent and Associate Superintendent, Ornamental Horticulture Substation, Mobile, AL 36689.
Received: 29 Jul 1989