Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Garlic > Distorted leaves
Garlic > Leaves > Distorted leaves
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Onion yellow dwarf virus
- Leaves are crinkled, flattened and fall over
- First see yellow streaks at the base of young leaves
- Eventually all leaves show yellow streaking to complete yellowing
- Bulbs fail to form if plants are infected when young or are firm but small when infected later in the season
- Disease spread by the green peach aphid
- More information on Onion Yellow Dwarf Virus
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Stem and bulb nematode
Ditylenchus dipsaci
- Plants appear distorted
- Plants are stunted with shortened and thickened leaves
- Base of stem (neck) of plant is soft, eventually wilts
- Bulbs are often desiccated and light weight, secondary rot organisms like soft rot may invade and rot the bulb
- More information on Stem and Bulb Nematode
