Common pests and diseases of and

Bacterial diseases / Fungal diseases / Oomycete diseases / Viral diseases Pests

Bacterial soft rots C Alternaria leaf blight C Cercospora leaf blight C motley dwarf (CMD) C Carrot fly C/P Cutworm C/P Nematodes – Free-living C/P e.g. Pectobacterium Alternaria dauci Cercospora carotae Carrot red leaf virus (CtRLV) Psila rosae Turnip moth Agrotis segetum Various carotovora, Pseudomonas spp. and carrot mottle virus (CMoV)

Parsnip canker P Phloeospora leaf spot P Phoma canker P Carrot yellow leaf virus C/P Silver Y moth C/P Spider mite C/P Tarnished plant bug & capsids Itersonilia spp. Phloeospora heraclei Phoma complanata (CYLV) Autographa gamma Tetranychus urticae Lygus rugulipennis and Lygocoris pabulinus C/P

Powdery mildew C/P Ramularia leaf spot P Sclerotinia C yellow C/P Willow-carrot aphid C/P Check out the Carrot & Parsnip heraclei Ramularia pastinacae Sclerotinia sclerotiorum fleck virus Cavariella aegopodii (PYFV) Crop Walkers’ Guide for full descriptions of all the pests and diseases.

Cavity spot C/P Pythium spp.

Key 30002Produced 0422 © Agriculture for you and Horticultureby: Development Board 2019. All rights reserved. C Mainly affects carrots AHDB Horticulture, Stoneleigh Park, T 024 7669 2051 P Mainly affects parsnips Kenilworth, Warwickshire, CV8 2TL E [email protected] W ahdb.org.uk C/P Affects carrots and parsnips If you no longer wish to receive this information, please email us on [email protected] @AHDB_Hort

Bacterial soft rots, Powdery mildew, © Washington State University; Alternaria leaf blight, Cercospora leaf blight, Parsnip canker, Phloeospora leaf spot, Ramularia leaf spot, Parsnip yellow fleck virus (left), Carrot fly (left and right), Nematodes – Free-living, Silver Y moth, Tarnished plant bug & capsids, © ADAS; Phoma canker, Spider mite, © American Phytopathological Society; Sclerotinia © Scottish Agricultural College; Cavity spot (left), Parsnip yellow fleck virus (right), Cutworm, Willow-carrot aphid, © University of Warwick; Cavity spot (right), © Martin McPherson, STC; Carrot motley dwarf (CMD), © FERA; Carrot yellow leaf virus, © Whitney Cranshaw, Colorado State University, bugwood.org

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