Why does your Brassica rapa Parkin F1 have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyThis is the most common cause in Brassica crops, where rapid growth outpaces the plant's ability to transport calcium to new leaf margins. High humidity or irregular watering prevents the transpiration stream from delivering essential nutrients to the growing tips.
Excessive use of nitrogen-based fertilizers or high salinity in irrigation water causes osmotic stress. In Chinese Cabbage, this manifests as necrotic brown edges as the plant struggles to regulate water uptake.
Inconsistent moisture levels lead to cellular collapse at the leaf extremities. For Parkin F1, which has high water content leaves, sudden dry spells cause the delicate margins to desiccate and turn brown.
Pathogenic fungi can cause necrotic lesions that begin at the leaf edges. While often presenting as spots, in heavy infections, these spots coalesce to make the entire leaf tip appear brown.
Your plant might also be experiencing one of these issues:
English
Italiano
