Could be. Could also be over-fertilization or root rot. Hard to say
without more information.


K Barrett wrote:
Salt build up? Switch to watering that one with the purest water you can
buy. See if that changes it.

K Barrett

"Dicky" wrote in message
...

Dear everyone,
I have a paphiopedilum called armeniacum. There are
three young runners. The small, bottom leaves became brown. Besides, the

old

runner which had flower before became brown too. What is this?

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