Pink root - definition of pink root by The Free Dictionary
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A disease of onions and related bulbous plants caused by a fungus (Pyrenochaeta terrestris) and resulting in stunted growth and shriveled pink roots.
References in periodicals archive
and several other soilborne diseases can cause onions to rot.
Control of pink root
disease in onion using solarization and fumigation.
Prepare rhubarb by trimming off the leafy topsand the pale pink root
slivers at the base of each stalk.