Viburnum odoratissimum (Ker-Gawl.) plants were grown for 15 weeks in 3-liter (#1) containers in black multipot boxes that contained a water reservoir and in a conventionally spaced system on black polypropylene. Irrigation events were based on plants in multipot boxes which resulted in under-watering of plants in conventionally spaced containers. Plants grown in the multipot box production system had higher shoot and root dry weights as compared to plants grown in conventionally spaced containers, and their growth indices of the plants in multipot boxes increased at a greater rate than that of plants from the conventional system. Approximately 210 mm (8.3 in) of overhead irrigation was applied during the experiment, in addition to 340 mm (13.3 in) of rain.
University of Florida Agricultural Experiment Station Journal Series No. R-05863. This research was supported in part by a grant from The Horticultural Research Institute, 1250 I Street, N.W., Suite 500, Washington DC, 20005. The authors gratefully acknowledge the excellent technical assistance of Suat Irmak and Claudia Larsen.
2Associate Professor, Department of Agricultural and Biological Engineering.
3Professor, Department of Environmental Horticulture.
4Associate Professor, Central Florida Research and Education Center, University of Florida, 2700 E. Celery Ave. Sanford, FL 32771.
5Associate Professor, North Florida Research and Education Center, University of Florida, Rt. 4 Box 4092, Monticello, FL 32344.