Quote:
Originally Posted by Billy[_4_]
It would seem that the problem is powdery mildew. Ask about a fungicide
for house plants at your local nursery.
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This white dust is only
in the main veins of the leaves and nowhere else,
but a picture of powdery mildew showed that the leaf had white dust all over it.
It seems to me that something is clogging the "pipes" of the plants.