black spots on my bambusa multiplex(m)
both Alphonse Karr and my stripestem fernleaf have this icky black stuff, looks like it is on the culm where it joins with the branch and leaves.
My bambusa malingensis doesn't have ANY ,so it must be something plaguing my bambusa multiplex. Any advice how to treat this?
I was thinking of bringing one of the Alphonse Karr into my house but not with this on it!
Help! Thanks. teeka