Suspected virus, black spots and streaks on orchid leaves.

[Maria102]

I believe I have a virus on some of my orchids. They have black streaks and spots on the leaves. They are getting new growth and otherwise appear fine. Any suggestions as to what I can do? Maria102

[Ross]

Can you help with pictures? Or, at least a description of the plant? It's hard to say from your description, but mostly viruses are a plague of the flowers.

[Maria102]

I have a picture, where can I send it to you?

[caseydoll]

You can post your pic right in this thread. Try these links but be sure to resize your pic first as described.

Thumbnail pics in posts
Resizing Images...originally posted 6/13/06 by Marty
Gallery Photos

[Maria102]

I have attached a picture of the worst orchid, do you know what I should do for it? I would hate to lose it.

[Roly0217]

Maria and to the OB !!! I'm bumping your thread back on top so that the experts can help you with your problem. by the way; where in the US are you ??? with your chid

[cb977]

I would be removing all those leaves and drenching the entire thing in Listerine with my fingers crossed

[Maria102]

Thanks for the Listerine tip, I have already cut off all the infected leaves. I am going to change all the medium as well and scrub the pots. Anything else anyone can think of, I would appreciate your help.

[Maria102]

In answer to Rolando, I am in Florida and the orchids are grown outdoors on the lanai. I also have a misting system for them that runs everyother day for 10 minutes. They are quit wet when it is done.

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[JennS]

I really don't know what that is, but I have seen a similar type of spotting/streaking on plants and orchids in Florida. I agree with having removed the bad bulbs and using the listerine. You also might want to treat the cut areas with cinnamon to prevent anything infecting the cut. Additionally, I would suggest getting some sort of fungicide/viruscide and using that to treat all the plants (even if they do not appear infected) and the area in which they grow. I would then incorporate it as part of a preventative maintenance to prevent from new outbreaks in the future. Many members on this board recommend Physan 20 however I have yet to use it (but have some on order). Good luck and keep us posted about your 'chids.