Ecology

Associations

In Great Britain and/or Ireland:
Foodplant / spot causer
colony of Alternaria dematiaceous anamorph of Alternaria brassicae causes spots on live curds of Brassica oleracea var. botrytis
Other: major host/prey

Foodplant / spot causer
amphigenous colony of Alternaria dematiaceous anamorph of Alternaria brassicicola causes spots on live leaf of Brassica oleracea var. botrytis

Foodplant / sap sucker
dense, wet (honeydew) colony of Brevicoryne brassicae sucks sap of live leaf of Brassica oleracea var. botrytis
Remarks: season: (7-)9-10...
Other: major host/prey

Foodplant / pathogen
Cauliflower Mosaic virus infects and damages live, stunted leaf of Brassica oleracea var. botrytis

Foodplant / internal feeder
larva of Delia radicum feeds within live root of Brassica oleracea var. botrytis

Foodplant / saprobe
pseudothecium of Mycosphaerella brassicicola is saprobic on fallen, dead, outer leaf of Brassica oleracea var. botrytis
Other: major host/prey

Foodplant / parasite
colony of sporangium of Peronospora parasitica parasitises live curd of Brassica oleracea var. botrytis
Remarks: season: 1-4
Other: unusual host/prey

Foodplant / gall
Plasmodiophora brassicae causes gall of swollen, distorted, often fused root of Brassica oleracea var. botrytis
Other: major host/prey

Foodplant / spot causer
colony of Pseudomonas syringae pv. maculicola causes spots on live inflorescence of Brassica oleracea var. botrytis
Other: minor host/prey

Foodplant / spot causer
hypophyllous, concentrically arranged acervulus of Cylindrosporium coelomycetous anamorph of Pyrenopeziza brassicae causes spots on live inflorescence of Brassica oleracea var. botrytis
Other: major host/prey

Foodplant / pathogen
Radish Mosaic virus infects and damages live leaf of Brassica oleracea var. botrytis

Foodplant / pathogen
Turnip Mosaic virus infects and damages live leaf of Brassica oleracea var. botrytis

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