Table 4. Least squares means and standard errors of frequency, stiffness, decrement, relaxation and creep in Arbor Acres

Week	Frequency	Stiffness	Decrement	Relaxation	Creep
2	17.88±0.27^a	381.43±8.15^a	1.79±0.04^a	13.12±0.46^a	0.80±0.03^a
4	15.20±0.27^b	263.35±8.15^b	0.89±0.04^b	17.13±0.46^b	0.98±0.03^b
6	14.31±0.27^c	236.69±8.15^c	1.15±0.04^c	21.09±0.46^c	1.28±0.03^c
8	14.17±0.27^d	237.49±8.15^c	1.26±0.04^d	21.17±0.46^c	1.30±0.03^c

Comparison of significance by week in the same column (P<0.05).