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-   -   Cattleya black spots, cracked leaves (http://www.orchidboard.com/community/pests-and-diseases/100690-cattleya-black-spots-cracked-leaves.html)

Agnes Fodor 06-02-2019 03:37 AM

Cattleya black spots, cracked leaves
 
4 Attachment(s)
Hi,

I have two Cattleyas and both stopped flowering then one of these now has cracked leaves and some strange black spots only around the edge of the leaves.

I assume it’s time to repot; how to fix the above issues?

The leaves do not seem to be pale to me so it’s probably not sunshine. I am suspecting low humidity and that I can fix but that would not explain the brown spots.

These are my first Cattleyas and I noticed their roots are darker than phals’ roots - I wonder if that’s ok or is their a problem.

Attached a few images too.

Many thanks,
Agnes

Nexogen 06-02-2019 08:02 AM

Friend, the plant does not look bad; media looks bad it's time to re-pot it. Please avoid using glazed pots, use terracotta pots.

ArronOB 06-02-2019 08:36 AM

The cracked leaf looks like mechanical damage. could this plant have suffered an accident that you don’t know about?

The black spots don’t look too sinister - the real question is are the spots staying the same or getting worse.

Even the best cattleyas will look a bit more bedraggled then a phal. A well-grown phal will have beautiful dark glossy leaves, but a cattleya is just there for the flowers.

As said already, the media looks totally gone and that would explain the dead roots. I’d use a slotted pot, good for air circulation around the roots.

Agnes Fodor 06-02-2019 12:50 PM

Thank you, I noticed two little new roots (?) growing on each of these plants.

I will repot these soon. The black spots did not change much and I just was not sure it’s something to worry about.

I will look up how to repot Cattleyas and probably it is not much different than repotting a phal.

Many thanks,
Agnes


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