Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Garlic > Discolored rotten roots
Garlic > Root > Discolored rotten roots
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Fusarium basal rot
Fusarium oxysporum f.sp. cepae
- Bulb has watery brown decay starting at the base and extending up into the bulb
- Red to purple discoloration may be seen on bulbs early in the season
- A white fuzzy growth can often be seen on the rotted basal plate
- Leaves turn yellow to brown from the tip down and wilt
- More information on Fusarium Basal Rot
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Pink root
Phoma terrestris
- Sunken dark pink to maroon areas on roots
- Infected roots break off easily
- Leaves turn yellow with a reddish tinge from the tip down due to root damage
- Plants are stunted and may produce no to very small bulbs
- Commonly occurs mid to late season, in areas with poor soil
- More information on Pink Root
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White rot
Sclerotium cepivorum
- Bulb is soft and rotten from the base up
- In severely infected plants, leaves may be stunted, yellow from the tip down, and die
- Bulb has white, fluffy fungal growth
- Small, hard, black poppy seed like fungal structures form on infected bulbs
- Roots may be rotten or completely rotted away
- More information on White Rot
