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Figure 5. Sucrose-phosphate synthase (SPS) activity in the uppermost internodes (1 + 2 + 3) of eight clones from the backcross population KQ99-1410 x Mida plotted against whole stalk commercial cane sugar (CCS) measured at final harvest. Individual values are for one replicate of a single clone. The values in open squares are for clone KQ01–3060 for which one CCS value was much lower than the others. The equation for the regression line shown, SPS = 0.1435CCS – 1.1638 (r2 = 0.371, P < 0.003) is for all of the plotted data.
