Hi Pam, I've changed your subject to correct the spelling of Stagnospora. Jim Shield's gave this suggestion in the post below: "I have on occasion sterilized the infected spot with hydrogen peroxide, usually the drugstore type, 3% H2O2, diluted 1 part to 3." http://pacificbulbsociety.org/pbslist/… Mary Sue > I searched the list archives and the Wiki page and read what I could find > about treating Staganospora curtisii but didn't find the dilution ratio of > water : peroxide or water : bleach Could someone please provide me with > those proportions? >