I have experienced tugercle graftings of several Mammillaria species. I grafted 5 luethyi tubercles last April. 2 of them have started to push pups up.
The attached photo is one of them, taken on 03/09/06.
I think I can make numbers of luethyi from the tubercle grafting. |
Here is a link that might be useful: Tubercle grafting of luethyi