Is the brown area on the pbulb soft? If so you may lose this plant. If you cut off the new growth, there may not be enough root to keep it going. If you don't cut off the new growth you may end up losing it anyway. I wouldn't water it anymore. Too much water probably is the culprit that started the rot to begin with. One thing you might do, if the rot continues, is to cut off the rotten pbulb from the older pbulb attached and seal the wound with cinnamon. A dormant eye may sprout from it. I would just stop watering and hope the new growth puts out enough roots to keep it going. If you just bought this plant, I would take Guido wit yous and demand your money back or else. Take da canolli wit ya.
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