Re: [OGD] Cattleya Leaves

"I have several catts and mini-catts with leaves that turn black and fall off. What causes this? I don't see evidence of insects. Sometimes the black patch starts with spots throughout the leaf and sometimes it is a gradually-spreading patch. I also have some catts with leaves that are almost

[OGD] Cattleya leaves

I have several catts and mini-catts with leaves that turn black and fall off. What causes this? I don't see evidence of insects. Sometimes the black patch starts with spots throughout the leaf and sometimes it is a gradually-spreading patch. I also have some catts with leaves that are almost