Common pests and diseases of Alliums.
Great Britain.Agriculture and Horticulture Development Board,issuing body.
Poster showing twenty four images of symptoms of onion and leek diseases and pests. Four bacteria diseases, ten fungal diseases, one oomycete disease and nine pests, with text at head of poster.
Title from item.
Text continues:  "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."
"This poster was produced in association with British Onions."
Poster informing of and displaying common diseases and pests of onions and leeks.
Poster showing twenty four images of symptoms of onion and leek diseases and pests. Four bacteria diseases, ten fungal diseases, one oomycete disease and nine pests, with text at head of poster.
Onions
Leek