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Fig. 3. Four quadrant figures indicating the relationships between thermal time during controlled storage and number of stems or number of tubers produced per m2 and tuber dry matter (dm) yield at late harvest (28 August–23 October, depending on maturity type), for six cultivars differing in relative rate of physiological ageing (Exp. 4). Open symbols for the seed lots exposed to low (L) temperature during the entire storage period or for the treatments starting with low temperature; black symbols for the seed lots exposed to high (H) temperature during the entire storage period or for treatments starting with warm storage.
