coronavirus
Sooty Mould in Cactus Old Man
How to identify and treat sooty mould in Cactus Old Man.
potted_plant
Cactus Old Man care requirements
water
Water sparingly during growing season; allow soil to dry completely between waterings. Minimal water in winter.
soil
Fast-draining cactus or succulent mix with added perlite or grit for excellent drainage.
light
Bright, direct sunlight for 6+ hours daily; insufficient light causes sparse hair-like spines and weak growth.
symptoms
Symptoms to look for in Cactus Old Man
- fiber_manual_recordBlack powdery coating on leaves
- fiber_manual_recordReduced photosynthesis
- fiber_manual_recordSticky residue beneath black coating
help
Common causes in Cactus Old Man
Grows on honeydew excreted by aphids, scale, or whitefly. Not a direct plant pathogen.
healing
How to treat sooty mould in Cactus Old Man
Treat the underlying pest infestation. Wash mould off leaves with water.
shield
Preventing sooty mould in Cactus Old Man
Control sap-sucking pests. Good air circulation.