Well, at least 3 out of 5 Mammillaria luethyi grafts made it (I think haha well they're more than 2 weeks old now and have not rotted so I think it's safe to say yes).
Rootstocks used: Myrtillocactus and Harrisia.Method used : regular horizontal cut.
Pressure medium : tape
Weather: 3 grafts sunny day; 2 grafts nightime - cold
Note on luethyi cambium:
it's quite visible(white color) and is not very small after all.
Note on the cause of failed graft:
Fungus. The root stock had visible fungus marks on the 2nd day. I think it really is best to graft on a sunny day. During its 1st day, I saw moist/water droplets on the tape.
Special Notes: I would advise that the scion should NEVER be wrapped around by any means at it might cause condensation which will result to having infections.
Very helpful information. Thank for share.
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