Why does your Brassica rapa have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Spider mites are common pests for Brassica rapa that thrive in hot, dry conditions. They pierce plant cells to suck out nutrients, leaving behind fine silk webbing and tiny yellow stippling on the leaf surfaces.
While typically causing blisters, extreme fluctuations in moisture can cause cell rupture in Brassica leaves, sometimes accompanied by fungal growth that appears as fine, fuzzy thread-like structures.
These much smaller mites can inhabit Brassica crops and create very fine, almost invisible silk strands as they move across leaf surfaces.
Your plant might also be experiencing one of these issues:
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