Leaves[]
Aster yellows on onion (top)
Bacterial soft rot (Erwinia carotovora pv. carotovora) on onion
Bolting on onion
Downey mildew on onion
Fusarium basal rot (F. oxysporum f.sp. cepae)
Leaf miner on onion
Neck rot on onion
Purple blotch (Alternaria porri)
Rust (Puccinia allii) on chives
Rust on onion
Stem and bulb nematode on onion
Stemphylium leaf blight (Stemphylium vesicarium)
Thrips on onion
Xanthomonas leaf blight of onion (X. axonopodis pv. allii)
Bulb[]
Bacterial soft rot (Erwinia carotovora pv. carotovora)
Black mould (Aspergillus niger)
Centre rot (Pantoea ananatis)
Fusarium basal rot (F. oxysporum f.sp. cepae)
Fusarium basal rot (F. oxysporum f.sp. cepae)
Pink root of onion (Phoma terrestris) on onion
Purple blotch (Alternaria porri) on onion
Sour skin (Burkholderia cepacia)
Visible Pests[]
| Allium troubles |
|
|---|---|
| Chives · Garlic chives · Leek · Onion · Shallot | |
| Adverse conditions | Bolting · Bruising · Manganese deficiency |
| Diseases | Aster yellows · Bacterial soft rot · Centre rot · Black mould · Damping off · Downey mildew · Fusarium basal rot · Neck rot · Onion smudge · Onion smut · Onion white rot · Pink root of onion · Purple blotch · Rust · Sour skin · Stemphylium leaf blight · Xanthomonas leaf blight of onion |
| Pests | Cutworm · Leaf miner · Leek moth · Stem and bulb nematode · Thrips · Wireworm |