Japanese barberry ‘Crimson Pygmy’, Crape myrtle ‘Byers Hardy Lavender’ and azalea ‘Girard Scarlet’ were treated with either Southern weedgrass control (pendimethalin) at 3.4 kg a.i./ha (3.3 a.i.lb/A) or Ornamental Herbicide-2 (oxyfluorfen + pendimethalin) at 3.4 kg a.i./ha (3.3 lb a.i./A) or 6.7 kg a.i./ha (6.6 lb a.i./A) prior to simulated shipping in an enclosed environment. No injury was observed on any plants as a result of herbicide treatments.

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Author notes

This research was partially supported by a grant from the Horticulture Research Institute, Inc., 1250 I Street NW., Suite 500, Washington, DC.

2Former Graduate Research Assistant and Professors, resp.