Brussels sprouts diseases and pests: symptoms and control
The 6 entries in Laisha's encyclopedia that attack Brussels sprouts, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.
Cabbage root fly (cabbage maggot)Delia radicumInsect · The cabbage root fly is a small grey fly whose white maggots tunnel into the roots and stem bases of cabbage,…
Diamondback mothPlutella xylostellaInsect · The most destructive insect of cabbage, cauliflower, broccoli, mustard and other brassicas worldwide. Its…
Fungal diseases
Alternaria blight of brassicas (dark leaf spot)Alternaria brassicae and Alternaria brassicicolaFungal disease · Alternaria blight causes dark brown to black spots with concentric rings, often with a yellow halo, on the…
Clubroot of brassicasPlasmodiophora brassicaeFungal disease · Clubroot is a soil-borne disease of cabbage, cauliflower, broccoli, canola, mustard, turnip, radish and other…
Bacterial diseases
Black rot of crucifersXanthomonas campestris pv. campestrisBacterial disease · Black rot is the most important bacterial disease of cabbage, cauliflower, broccoli and other crucifers…
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