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Fig. 2. (a) Relationship between values of A for different B. oleracea genotypes averaged over all glasshouse experiments and those averaged over all field experiments. (b) Relationship between K2 for different B. oleracea genotypes averaged over all glasshouse experiments and K2 averaged over field experiments F1 and F2 (K2 could not be calculated for F3 because of the absence of transplant weights). Numbers refer to the genotypes A12DHd (1), B188908 (2), borecole (3), brocolli (4), CA25 (5), Dutch white cabbage (6) cauliflower (7), GD33 (8), kohlrabi (9), Oriental kale (10), Savoy (11), and Brussel sprouts (12). Data for B188908 and Oriental kale were not available for the field experiments as these genotypes failed in one or another field experiment.