The 10 entries in Laisha's encyclopedia that attack Kale, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.
Growing Kale? The free Kale grow guide covers the crop from sowing to harvest.
Insect pests
Cabbage looperTrichoplusia niInsect · The cabbage looper is the caterpillar of a grey-brown moth. It moves by arching its back into a loop, because…
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…
Mustard aphid (turnip aphid)Lipaphis erysimiInsect · The mustard aphid is a small grey-green aphid with a waxy coating that forms dense colonies on the flowering…
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…
Blackleg of canola (Phoma stem canker)Leptosphaeria maculansFungal disease · Blackleg, or Phoma stem canker, is the most important disease of oilseed rape (canola) in Europe, Australia…
Clubroot of brassicasPlasmodiophora brassicaeFungal disease · Clubroot is a soil-borne disease of cabbage, cauliflower, broccoli, canola, mustard, turnip, radish and other…
Oomycete diseases (water moulds)
White rust of crucifers (staghead)Albugo candidaOomycete disease · White rust produces raised, chalky-white blisters on the undersides of the leaves of mustard, radish, turnip,…
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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