Why does your Echinopsis oxygona have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
Mealybugs are common pests for Echinopsis oxygenta that secrete a white, waxy, cotton-like substance to protect themselves. They feed on the cactus sap, which can cause the ribs of the stem to weaken or discolor.
Certain types of scale insects can appear as small, white, fluffy masses on the areoles or ribs of the Night-blooming Cereus. They attach themselves firmly to the plant tissue to suck nutrients.
In cases of high humidity or poor air circulation, fungal pathogens can manifest as white, fuzzy mycelium on the epidermis. This is often accompanied by softening of the cactus flesh.
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