A totem pole cactus suffers penetrating injury with resulting infection (limp, yellow-green tissue). Healthy tissue remains below and on a side arm.
"Be REALLY sure you've gotten all the rot off." Multiple sterilized cuts are better than leaving microscopic infection.
Saving a Rotting Candelabra Cactus by Propagating a Healthy Arm
Black Tip Rot on a Tall Columnar Cactus
Rescuing a Freeze-Damaged Peruvian Apple Cactus in Austin
Totem Pole Cactus Propagation: Joint-Cutting Rules
Leaning Saguaro Near Irrigated Lawn: Root Rot and Professional Move
Trimming a Tall, Thin Cactus: Etiolation Correction and Cutting Propagation
Saving a Castle Cactus from Root Rot
Pruning Peruvian Apple Cactus: Scars, Timing, and Regrowth Reality
Pruning Overgrown Balcony Cacti: Timing and Technique
Cutting Back a Tall Cactus in New York: Replant the Top, Wait for Spring
Pruning a Too-Tall Barrel Cactus: Can You Cut the Top Off?
Saving a 30-Year, 8-Foot Candelabra Cactus (Euphorbia) from Collapse: Propagation Protocol
Cutting an 8-Foot Indoor Cactus in Ohio: Winter Size Management
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