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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Garlic > Neck of the bulb is soft and spongy

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Garlic > Clove/bulb > Neck of the bulb is soft and spongy

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  • Image: Botrytis Neck Rot

Botrytis neck rot
Botrytis porri

  • Stem (neck) appears water soaked at the soil line
  • Outer leaves yellow and die back, in severe cases the entire plant dies
  • Small, hard, black fungal structures form in the decayed stem tissue
  • Rot may extend into the top of the bulb in severe cases
  • Disease is common in cool wet weather or in heavy wet soils
  • More information on Botrytis Neck Rot...
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  • Image: Stem and Bulb Nematode

Stem and bulb nematode
Ditylenchus dipsaci

  • Base of stem (neck) of plant is soft, eventually wilts
  • Plants appear distorted
  • Plants are stunted with shortened and thickened leaves
  • 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...

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