Abstract
Softwood cuttings of Florida coastal dune species gulf bluestem (Schizachyrium maritimum Chapman (Nash) [Poaceae]), seacoast marshelder (Iva imbricata Walter [Asteraceae ]), false rosemary (Conradina canescens Gray [Lamiaceae], and Atlantic St Johnswort (Hypericum reductum (Svens.) P. Adams [Clusiaceae]) were propagated with the aid of commercial rooting hormones containing indole-3-butyric acid (IBA) and α-naphthaleneacetic acid (NAA). For all 4 species, an external application of an auxin was not essential for rooting. However, auxin application did improve root quality for seacoast marshelder, false rosemary, and Atlantic St Johnswort.
- Schizachyrium maritimum
- Iva imbricata
- Conradina canescens
- Hypericum reductum
- indole-3-butyric acid (IBA)
- α-naphthaleneacetic acid (NAA)
- cuttings
- auxin
- vegetative propagation
Footnotes
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Mack Thetford, Associate Professor of Horticulture, thetford{at}ufl.edu
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Debbie Miller, Associate Professor of Wildlife Ecology and Conservation, dlmi{at}ufl.edu
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University of Florida, Institute of Food and Agricultural Sciences, West Florida Research and Education Center, 5988 Highway 90, Building 4900, Milton, FL 32583
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