neck rot

neck rot

[′nek ‚rät]
(plant pathology)
A fungus disease of onions caused by species of Botrytis and characterized by rotting of the leaves just above the bulb.
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References in periodicals archive ?
If you do bend them over, it weakens the neck by fracturing the plant and allows neck rot to set in.
The rains, however, led to a general downgrading in quality with skin staining and neck rot the main offenders.
They are being attacked by Onion Neck Rot (Botrytis allii), a common disease.