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Fig. 2. Effect of chlormequat chloride CCC and ethephon on stem elongation and relative elongation rate (RER) of main shoot and T1 and T2 tillers in conventional height oat ‘Virma’ and ‘Milton’ and a dwarf cultivar Pal in Exp. 2 (DAT is days after treatment). The RER (1000 x cm cm-1 d-1) is shown between each measurement in a cluster of three values: The upper one is for the control, the middle one for CCC, and the lower one for ethephon treatment. At each measurement date, the same letters indicate no significant difference at P 
0.05: The upper letter is for control, the middle one for CCC, and the lower one for ethephon treatment; ns is not significant.
