Yellowing Leaves on Onc. in S/H

[adlemsi]

Last week I repotted a Onc. Sharry Baby 'Sweet Fragrance' into s/h. As the days passed I noticed some leaves yellowing. So far I have watered it twice, once with the water with the presoaking solution, and followed by the recommended solution with MSU.

Does anyone have any idea why the leaves are yellowing and what I can do to prevent it from spreading further? Thanks!

[orchidjunky]

How many leaves exactly are yellowing... is it like EVERY leaf or just one or two? Are the pseudobulbs also turning yellow?? When I transferred mine... one or two got yellow but 3 months later my oncs that got yellow leaves are now putting out new growths!... I think it's transplant shock.. or getting used to wetter conditions? I would only get worried if the bulbs start turning yellow..

[adlemsi]

It's more than 3 leaves but the pseudobulbs are still green.

[Ray]

Oncidiums can sometimes do that upon transplant, especially if the new root environment is a big change from the old (whether we're talking S/H or not). Keep it warm and it'll rebound soon.

[adlemsi]

Thanks, Ray!!