Toxicity Responses of Herbaceous and Woody Ornamental Plants to Chlorine and Hydrogen Dioxides

Fig. 6. Rhododendron sp. with <4% injury on upper leaf surface from water (blue tag, check) and from 5 applications of ZeroTol at 10200 ppm (orange tag).



Image from Plant Health Progress article:
Toxicity Responses of Herbaceous and Woody Ornamental Plants to Chlorine and Hydrogen Dioxides