List of diseases and pests

Alliaceae

Fungi and Oomycetes

• Alternarioses
• Other anthracnoses  ( C. glosporioides , C. circinans )
• Corynesporiose ( Corynespora cassiicola )
• Myrothecium lesions (M. roridum)
• mildew
• Choanephora rot ( C. cucurbitacearum )
• Pythium rots ( Pythium spp.)
• Sclerotium rots ( Sclerotium rolfsii )
• Rhizoctone brun ( Rhizoctonia solani )
• Rusts including Liliaceae rust ( Puccinia allii)

bacteria

Virus

• Onion Yellow Dwarf Virus (OYDV)

• Leek Yellow Stripe Virus (LYSV)

Nematodes

• Root-knot nematodes ( Meloidogyne spp.)

pests

• Leafminer flies ( Liriomyza spp.)
• Thrips  

Non-parasitic diseases

• Phytotoxicities
• Physiological dryness