Fig. 2. Side-by-side box plots of the counts of two-spotted spider mites for each of four different treatment levels [control, no mite-control treatment; sample, PP applied at 1:4 ratio according to sampling; schedule, PP was released at a rate of 50 per square meter; Floramite (UniRoyal Chemical Company, Inc., Middlesbury, CT), miticide application] obtained 1 wk after the application of treatments designed to control the infestation of the mites in ‘Summer-Rose Red’ ivy geranium. Each of the four treatments was applied to all the potted plants in one of four commercial greenhouses.