See:
Greenhouse Plants, Ornamental - Gray Mold
Chemical control Best when used on Aphelandra along with cultural controls. Tank-mix and/or alternate products from different groups with different modes of action to prevent the build-up of resistant fungi.
- Astun at 10 to 17 fl oz/100 gal water. Group 7 fungicide. 12-hr reentry.
- Chipco FLO at 1 to 2.5 quarts/100 gal water. Limit to two (2) applications per year to aid resistance management. Group 2 fungicide. 12-hr reentry.
- Terraguard SC at 4 to 8 fl oz/100 gal water. Group 3 fungicide. 12-hr reentry.