Why does your Red Cabbage Ruby Perfection F1 have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyThis fungal pathogen thrives in cool, damp conditions common for brassicas, producing white, cottony mycelium on leaves and stems. It can quickly lead to stem rot and head decay in cabbage crops.
While more common in cucurbits, certain strains can affect brassicas, presenting as white, flour-like patches on the surface of the leaves. It interrupts photosynthesis and can cause premature leaf senescence.
These sap-sucking insects secrete a waxy, white, cottony substance to protect themselves while feeding on the plant's juices. Infestations often appear in the tight crevices of the cabbage head or leaf axils.
In high humidity, this fungus creates a fuzzy growth that may appear white in early stages before turning gray. It targets wounded tissue or decaying organic matter near the cabbage base.
Your plant might also be experiencing one of these issues:
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