Black/Yellow Leaf Tip on Cattleya
Evening, all!
I noticed this evening that one of my cattleyas has a yellow/black tip on one of its leaves. When I watered them this past Saturday, that was not there, so whatever it is sprung up fast.
I have been running the humidifier by the orchids for the last couple days, and I am wondering if that by chance happened to have something to do with it? (The air has been really dry, but in an effort to raise the humidity I brought our humidifier out to their corner). I have inspected the whole plant and the tip of the leaf is the only part of the plant that is yellow/black. It has very healthy roots and is growing another new growth.
It looks to me as if it's maybe fungal? Should I treat it with fungicide/alcohol, or remove the tip? Is it maybe something else?
Ideas, anyone?
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