Grafting Tiny Echinopsis Seedling After Rot

1-Inch Echinopsis lageniformis Shriveling: Grafting May Be Only Option

Tiny cactus shriveling; base brown and dry. Owner cut above rot, asks drying time and conditions (central Australian desert, hot/dry).

Advice

Such a small piece may not root on its own. Consider grafting onto a rootstock (e.g., Stenocereus). Key: sharp knife, align vascular rings. Refer to grafting guide.