The majority of mother tubers in an uncut seed lot should be 8 oz (225 g) or less, with few tubers greater
than 10 oz (225 to 300 g). Growers should maximize the number of seed pieces with single cuts, and
minimize the number of tubers with two and three cut surfaces (Figure 3.2-1). This can only be
accomplished if the mother seed lot does not contain many tubers over 8 oz. Variation in seed piece size
results in variability of size, shape and yield of tubers from plant to plant. mended.