Why does your White Cabbage Sunta F1 have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Excessive buildup of fertilizer salts or hard water minerals in the soil causes osmotic stress, leading to necrotic brown tips on cabbage leaves. This is particularly common in heavy-feeding brassicas like 'Sunta' when nitrogen fertilizers are applied too frequently.
Cabbage crops require consistent soil moisture to maintain cell turgor; rapid drying of the substrate causes the leaf margins and tips to desiccate first. In 'Sunta' hybrids, this often manifests as crispy brown edges on the outer leaves.
Boron is a critical micronutrient for cabbage development; a deficiency often results in necrotic, brown tips and can lead to hollow stem syndrome. This occurs most frequently in sandy soils or when soil pH is significantly imbalanced.
High winds can increase transpiration rates beyond the root system's ability to supply water, specifically affecting the thin edges of mature cabbage leaves. This physical drying creates a characteristic brown, brittle appearance on leaf margins.
Your plant might also be experiencing one of these issues:
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