Quote:
Originally Posted by jessegranger
Ok, I did the test and I did not see any green roots. There were a few that were green at the top but not all the way down to the bottom. What can you tell from this picture about the roots?? I'm worried now :/ The plant had a beautiful bloom spike and flowers and now it continues to shrivel after repotting. (Also I think the pot I replanted it in was much too large so I am moving down a size or two)
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It is only partially true. Only new roots that look super clean white turn green when wet.
Some older light tannish colored roots may also turn slightly green, but many old living roots do not turn green when wet.
The best way to tell is to feel them. Completely dead and dry roots may break off very easily when gently pinched. Dead roots tend to be very hollow to the touch both wet and dry. also, they come off (peel off) easy when pulled.
Leaving these old roots are important because they continue to serve the plant and new roots are generated form the old roots as well.
---------- Post added at 12:21 AM ---------- Previous post was at 12:19 AM ----------
Your oncidium might sulk for one season due to heavy root trimming, but as new growth makes lots of new roots, and some old roots also make new roots off of them, your plant should be fine.
It just takes some time.
I would also stake the plant firmly so it doesn't wobble while it establish itself all over again.
Good luck!