Common pests and diseases of Alliums - Microsoft · F. oxysporum f.sp. cepae affects onions F....
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Bacteria diseases / Fungal diseases / Oomycete diseases Common pests and diseases of Alliums Pests All images, except the following, courtesy and copyright Allium and Brassica Centre (ABC): Allium leaf miner – The Vegetable Consultancy Services Ltd; Bean seed fly – The University of Warwick; Cutworms - Turnip moth – The University of Warwick; Leek Moth – The University of Warwick; Nematodes – stem and bulb – E. A. Kurtz; Onion fly – J. Ogrodnick, Cornell University, New York State. Agricultural Experiment Station; Onion thrips – W. S. Cranshaw; Wireworms – The Vegetable Consultancy Services Ltd; White rot – Ralph Noble, The University of Warwick; Fusarium basal rot John Clarkson, The University of Warwick; Leaf blight – David Norman, Fresh Produce Consultancy Ltd; Xanthomonas leaf blight – Howard F. Schwartz, Colorado State University, Bugwood.org; White tip – David Norman, Fresh Produce Consultancy Ltd; Rust – The University of Warwick; Neck rot – Dr Steven Roberts, Plant Health Solutions; Black mould – S.K. Mohan; Blue/green mould – S. K. Mohan, Bugwood.org; Bacterial soft rots – John Clarkson, The University of Warwick and Dr Steven Roberts, Plant Health Solutions; Bean seed fly – The University of Warwick; Onion fly. Diagnosis of viral diseases from symptoms is problematic and should always be confirmed by laboratory investigation. 30002 0422 © Agriculture and Horticulture Development Board 2019. All rights reserved. Produced for you by: AHDB Horticulture, Stoneleigh Park, T 024 7669 2051 Kenilworth, Warwickshire, CV8 2TL E [email protected] W horticulture.ahdb.org.uk If you no longer wish to receive this information, @AHDB_Hort please email us on [email protected] Rust L Puccinia allii Neck rot O Botrytis spp. Blue/green mould O Penicillium spp. Allium leaf miner Phytomyza gymnostoma Bean seed fly Delia platura and D.florilega Cutworms – Turnip moth Agrotis segetum Bacterial soft rot O P. carotovorum subsp. carotovorum White rot O/L Sclerotium cepivorum Leaf blight O Botrytis squamosa Downy mildew O Peronospora destructor Leek moth Acrolepiopsis assectella Nematode – free living (eelworm) Various spp. Nematodes – stem and bulb Ditylenchus dipsaci Slippery skin O Burkholderia gladioli pv. alliicola White tip L Phytophthora porri Leaf blotch O/L Cladosporium spp. Fusarium basal rot O/L F. oxysporum f.sp. cepae affects onions F. culmorum affects leeks Onion fly Acrolepiopsis assectella Onion thrips Thrips tabaci Wireworms Agriotes spp. Sour skin O Burkholderia cepacia Pink root O Phoma terrestris Black mould O Aspergillus niger Xanthomonas leaf blight O Xanthomonas axonopodis pv. allii This poster was produced in association with Check out the Allium Crop Walkers’ Guide for full descriptions of all the pests and diseases. To access more information, you can download AHDB Crop Walkers’ Guides and Nutrient Management Guides (RB209) from the Apple Store and Google Play Store. Key O Mainly affects onions L Mainly affects leeks O/L Affects onions and leeks
Transcript of Common pests and diseases of Alliums - Microsoft · F. oxysporum f.sp. cepae affects onions F....
Bacteria diseases / Fungal diseases / Oomycete diseases
Common pests and diseases of AlliumsPests
All images, except the following, courtesy and copyright Allium and Brassica Centre (ABC): Allium leaf miner – The Vegetable Consultancy Services Ltd; Bean seed fly – The University of Warwick; Cutworms - Turnip moth – The University of Warwick; Leek Moth – The University of Warwick; Nematodes – stem and bulb – E. A. Kurtz; Onion fly – J. Ogrodnick, Cornell University, New York State. Agricultural Experiment Station; Onion thrips – W. S. Cranshaw; Wireworms – The Vegetable Consultancy Services Ltd; White rot – Ralph Noble, The University of Warwick; Fusarium basal rot John Clarkson, The University of Warwick; Leaf blight – David Norman, Fresh Produce Consultancy Ltd; Xanthomonas leaf blight – Howard F. Schwartz, Colorado State University, Bugwood.org; White tip – David Norman, Fresh Produce Consultancy Ltd; Rust – The University of Warwick; Neck rot – Dr Steven Roberts, Plant Health Solutions; Black mould – S.K. Mohan; Blue/green mould – S. K. Mohan, Bugwood.org; Bacterial soft rots – John Clarkson, The University of Warwick and Dr Steven Roberts, Plant Health Solutions; Bean seed fly – The University of Warwick; Onion fly.
Diagnosis of viral diseases from symptoms is problematic and should always be confirmed by laboratory investigation. 30002 0422 © Agriculture and Horticulture Development Board 2019. All rights reserved.
Produced for you by:AHDB Horticulture, Stoneleigh Park, T 024 7669 2051 Kenilworth, Warwickshire, CV8 2TL E [email protected] W horticulture.ahdb.org.uk If you no longer wish to receive this information,
@AHDB_Hort please email us on [email protected]
Rust LPuccinia allii
Neck rot OBotrytis spp.
Blue/green mould OPenicillium spp.
Allium leaf minerPhytomyza gymnostoma
Bean seed flyDelia platura and D.florilega
Cutworms – Turnip mothAgrotis segetum
Bacterial soft rot OP. carotovorum subsp. carotovorum
White rot O/LSclerotium cepivorum
Leaf blight OBotrytis squamosa
Downy mildew OPeronospora destructor
Leek moth Acrolepiopsis assectella
Nematode – free living (eelworm)Various spp.
Nematodes – stem and bulbDitylenchus dipsaci
Slippery skin OBurkholderia gladioli pv. alliicola
White tip LPhytophthora porri
Leaf blotch O/LCladosporium spp.
Fusarium basal rot O/LF. oxysporum f.sp. cepae affects onions F. culmorum affects leeks
Onion flyAcrolepiopsis assectella
Onion thripsThrips tabaci
WirewormsAgriotes spp.
Sour skin OBurkholderia cepacia
Pink root OPhoma terrestris
Black mould OAspergillus niger
Xanthomonas leaf blight OXanthomonas axonopodis pv. allii
This poster was produced in association with
Check out the Allium Crop Walkers’ Guide for full descriptions of all the pests and diseases.
To access more information, you can download AHDB Crop Walkers’ Guides and Nutrient Management Guides (RB209) from the Apple Store and Google Play Store.
KeyO Mainly affects onionsL Mainly affects leeksO/L Affects onions and leeks
