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Root Rot in Mammillaria Hahniana

How to identify and treat root rot in Mammillaria Hahniana.

potted_plant

Mammillaria Hahniana care requirements

water
Water moderately during growing season (spring/summer) when soil is dry. Reduce water sharply in winter; water sparingly or not at all.
soil
Fast-draining cactus potting mix with extra perlite or coarse sand.
light
Bright light with 4–6 hours of sun daily. Filtered sun in very hot climates prevents scorching.
symptoms

Symptoms to look for in Mammillaria Hahniana

  • fiber_manual_recordBrown, mushy roots
  • fiber_manual_recordWilting despite moist soil
  • fiber_manual_recordYellowing leaves
  • fiber_manual_recordFoul odour
help

Common causes in Mammillaria Hahniana

Caused by Pythium, Phytophthora, or Fusarium species in waterlogged conditions.

healing

How to treat root rot in Mammillaria Hahniana

Remove plant, trim rotted roots, treat with hydrogen peroxide, repot in fresh well-draining soil.

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Preventing root rot in Mammillaria Hahniana

Never overwater. Ensure drainage. Avoid compacted soil.