Eulophia petersii
Nicholas Plummer via pbs (Sun, 31 Dec 2023 06:43:36 PST)

There are some infections that spread through the rhizome, but this sounds like normal senescence. It’s to be expected that the old pseudobulbs will die, particularly if the divisions were only one or a few growths—all the energy has gone into making new pseudobulbs. Unless you see evidence that new growth is affected, I would just pull off the dead pseudobulb but would not repot.

Nick Plummer
North Carolina

On Dec 31, 2023, at 8:01 AM, Shoal Creek Succulents via pbs <pbs@lists.pacificbulbsociety.net> wrote:

Happy New Year all-

I had a massive E. petersii that I split into many pots last year. From
that, I have a few plants that the original pseudobulb turned brown and
somewhat mushy, but has new growth that looks perfect.

I would like to remove the brown portions and repot. My question is - do I
let the pseudobulbs callus first? I have not removed any to see how far
down the brown area extends.

I am repotting in Hydroton, and will keep on the heated floor of my
greenhouse.

Any recommendations?

Best regards, Lisa
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