Rotknöl
En rotknöl är en underjordisk del av en rot som innehåller stärkelse. Rotknölen är en näringsdepå.
Rotknölar används som livsmedel, främst morot, sockerbeta, palsternacka och selleri.
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SugarBeet.jpg
Two en:sugar beet roots. The one on the right is a traditional sugar beet. The one on the left, is a cultivated variety call SR96, which has been selected for its smoother root that collects less soil and needs less washing during processing. USDA photo by Peggy Greb. Image Number K11128-1.
Two en:sugar beet roots. The one on the right is a traditional sugar beet. The one on the left, is a cultivated variety call SR96, which has been selected for its smoother root that collects less soil and needs less washing during processing. USDA photo by Peggy Greb. Image Number K11128-1.