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Fig. 3. Accumulation of T3 tiller dry weight and relative growth rate (RGR; mg mg-1 d-1) in ‘Milton’, ‘Pal’, and ‘Virma’ at 14- and 18-h daylengths in Exp. 2 (DAT is days after treatment). The RGR is shown between each measurement date in a cluster of three values: The upper one is for Milton, the middle one for Pal, and the lower one for Virma. At each time of measurement, the same letters indicate no significant difference at P 
0.05: The upper letter is for Milton, the middle one for Pal, and the lower one for Virma; ns is not significant.
