Further Reading
Caldiz DO, Fernandez LV, Struik PC (2001) Physiological age index: a new, simple and reliable index to assess the physiological age of seed potato tubers based on haulm killing date and length of the incubation period. Field Crops Res 69:69−79
O’Brien PJ, Allen EJ, Bean JN, Griffith RL, Jones SA, Jones JL (1983) Accumulated day degrees as a measure of physiological age and the relationships with growth and yield in early potato varieties. J Agric Sci, Camb 101:613−631
Struik PC, Wiersema SG (1999) Seed potato technology. Wageningen Pers, Wageningen
Van der Zaag DE, Van Loon CD (1987) Effect of physiological age on growth vigour of seed potatoes of two cultivars. 5. Literature review and integration of some experimental results. Potato Res 30:451−472
Van Ittersum MK, Scholte K, Kupers LJP (1990) A method to assess cultivar differences in rate of physiological ageing of seed tubers. Amer Pot J 67:603−613
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Struik, P.C. The Canon of Potato Science: 40. Physiological Age of Seed Tubers. Potato Res. 50, 375–377 (2007). https://doi.org/10.1007/s11540-008-9069-2
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DOI: https://doi.org/10.1007/s11540-008-9069-2