Alternaria leaf blight of carrot
Fungus
Identification key : 
Leaf spots and scabs (fungi) (Damage and symptoms on the host)
Scientific name : Alternaria dauci
Other names : Carrot leaf blight
Leaf fungus of cultivated and wild carrot. It begins as small dark brown spots with a yellow halo on older leaflets, which spread until the foliage dries up; weakened tops break when roots are lifted. It is carried by seed and crop debris and thrives in warm, humid weather.
Crops affected : Carrot
Source : Alternaria dauci (ALTEDA)[Overview] — EPPO Global Database — EPPO
This page lists the bio-preparations in the collection that other references associate with this opportunist: Alternaria leaf blight of carrot.
Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations
No published recipe is associated with this opportunist yet.
Alternaria (early blight) Carrot fly Sclerotinia rot Root-knot nematodes Leveillula powdery mildew Stolbur (bois noir) Aster yellows Chilli thrips