Black spot on orchid leaves, sunburn or infection?
Hello!
My phalanopsis is starting to have black tipped appearance on older bottom leaves. Not sure if it is sunburn or something else. It was like this for about 1 month, started after I repotted it.
I already lost the second to the bottom leaf to same issue and now there are two leaves more showing similar symptoms. Too new growth leaves are doing great.
Help!
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