I got this plant last September or October and grew it in my house until I moved it out to the green house a few months ago. For the past couple of months the leaves have been turning black and drying up and even new leaves get black areas on them before emerging. A couple of weeks ago a pup emerged and the new leaves on it have the same problem. I pulled the plant from the pot and the roots seem okay, not root-bound or rotted, etc. I lost my first one a year earlier and now wonder if it had the same problem, but I hadn't bothered to photograph it at the time. I don't see any mites but have sprayed it a couple of times with AZ41. Any thoughts?
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