Starch and sugars content in parsnip and sugar beet tap-roots. Parsnip tap-roots harvested 48 and 61 days after planting (DAP) and sugar beet tap-roots harvested 41 and 54 DAP. Results are reported as % of dry weight (n = 2). Each sample consists of 3 pooled roots. Vertical bars correspond to the standard deviation of the average.