Do you think the pots were too wet? Not having any experience with your type of bulb, I wonder if the 10% chlorine bleach solution - 1 part bleach to 10 parts water - (like what is done when storing dahlia tubers) would work to kill off the fungus.
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb