Unknown Gymnocalycium seeds

[Dodi Russell]

I acquired some 6 unknown Gymnocalycium seed pods(i think some are gymnocalycium mihanovichii). I cut open the seed pods and I did spread the seed pod pulp on a tissue. And left it for drying for one day.

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These are the seeds of 2 pods after drying.

Please help me on how to grow these and I have some questions also.

Do you really have to sterilize the seeds before sowing( should I use Isopropyl alcohol or H2O2 solution)
There are still the remains of the seed pod on some of the seeds should I clean it or just sow them.
Do these seeds require any special treatment before sowing.

Thank you for any advice it would be really helpful.

[toadstar]

They look a little odd for being cactus seed. Are you sure of your source? I sowed some Gymnocalycium seed a few years ago but I don't recall them looking anything like that.
I just give mine a good rinse with water using a coffee filter before sowing. They shouldn't need any special treatment.

[teo]

These are Gymno seeds (from own plant)

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[Dodi Russell]

Thanks. I think they look odd because I zoomed and took the picture from my phone. I am 100% sure they are gymnocalycium because I got the whole seed pot at once.

[teo]

OK - when looking at them in a USB-microscope they look like this

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[toadstar]

Thanks. I think they look odd because I zoomed and took the picture from my phone. I am 100% sure they are gymnocalycium because I got the whole seed pot at once.

That must be it, I didn't have anything in the picture to give a sense of scale.