Botrytis is the most serious postharvest fungal problem in roses, and it appears you are running into a problem of a strain of Botrytis that is resistant to the Fenhexamid (Teldor®) fungicide.
In most studies, and for most flowers, we find that dry storage is superior to wet storage. If you are storing the gerberas in a cool room, it is vital that the temperature be low enough.&nbs
In addition to the Produce Facts: Recommendations for Maintaining Postharvest Quality of found as PDF's on our website, I would recommend that you could also use the
