Circular rings on Cattleya Ports of Paradise.

[bil]

OK, I have had this Catt for well over a year, and the latest Pbulb sheath has these patterns on it.

What do you think? Virus?

[PaphMadMan]

My first thought would be insect damage early in development. But the picture isn't real clear. I would isolate the plant if you can.

[bil]

Originally Posted by PaphMadMan

My first thought would be insect damage early in development. But the picture isn't real clear. I would isolate the plant if you can.

I'll try and take a better one tomorrow.

[Orchid Whisperer]

A better picture will help, but what I see does not suggest virus. As with any plant you suspect may be virused, a 'visual' is insufficient to confirm or refute viral infection. You have to do virus testing to be sure.

[bil]

Originally Posted by Orchid Whisperer

A better picture will help, but what I see does not suggest virus. As with any plant you suspect may be virused, a 'visual' is insufficient to confirm or refute viral infection. You have to do virus testing to be sure.

Hopefully this is a better pic.

[estación seca]

I can't tell, but it seems unusual a virus would attack one sheath of a new growth and leave the leaf alone. There's always this:

Orchid Pests, Orchid Diseases