Regarding powdered sulphur, I dust it on every bulb, tuber, etc that I store. It is my understanding that it helps to prevent fungal rot. It does not affect whether a tuber might shrivel, IMHO. I always have far more problem with shriveling/drying up than fungal rot. However, I do not check things once stored - in my basement. Perhaps I should
I store in vermiculite or perlite.
This year I may try this saran wrap method - looks promising. Thanks
