I've had an ongoing issue with my Phals, though lately it seems to be getting better. What I'm seeing is leaves developing small chlorotic spots which then progress to a larger necrotic areas. Eventually all these spots merge together to make for a really ugly looking leaf that eventually dies. I think (heavy on the maybe here) that it is PhCSV (Phal Chlorotic Spot Virus) related to Yellow Bean Mosaic Virus. I really need to send samples for testing, but have been too busy to get the samples together. Some of the plants I want to test are so small that I really don't want to cut off any leaf parts.
There haven't been any new plants introduced for a couple of years. I've recently been cautiously replacing things I tossed earlier. I am now really careful about how I'm handling the plants. I'm flaming my cutting tools, washing hands between plants, sterilizing pots and trying to make sure the plants aren't touching each other.
I have no idea how or when it came in. I suspect it was around the time I was trying to grow Masdies. They are now gone. I don't know. It really doesn't matter now, the damage is done.
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