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Cymbidiums query

I have a problem (I think) on a cymbidium orchid. I am not sure if this is the mosaic virus or not. It looks a bit like it from pictures I have research, but I really need to know as I believe it is incurable and likely to spread. Can anyone help? Thanks.

Cheers,

Prue

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Comments

Jason

Hi @Prue,

Let me tag the wonderful horticulturalists @Noelle and @Adam_W for you to see if they could assist in diagnosing the issue with your orchid.

Thanks for the great photos, they should help a lot. You might also like to share where you are based.

Jason

Noelle

Hi @Prue

This does not look like mosaic virus to me - the size and lack of intensity of the blackened areas hints at something other than a viral infection. These are random areas of fine spots which don't follow the usual pattern of how a virus appears and spreads on cymbidiums and other orchids.

This image below is far more typical - with yellowing and black streaking occurring along the length of the leaf rather than a random patch of small dots.

What your leaf seems to have looks to be more like a fungal issue - a mildew or mould that is more superficial - or a cultural problem.

Whatever it is, remove the affected leaf by cutting it off at the base and dispose of it carefully. Keep a watch for any further development on other leaves and by all means come back to us if you spot further symptoms.

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