Table 3.

Effects of seed soaking treatments with spermidine (Spd) or cyclohexylamine (CHA) for 12 h on seedling shoot dry weight, root dry weight, shoot height and root length of sweet corn, Xiantian No.5 under normal temperature (25 °C)

Treatment	Shoot dry weight (g/10seedlings)	Root dry weight (g/10seedlings)	Shoot height (cm/seedling)	Root length (cm/seedling)
Control	0.20 ± 0.011b	0.14 ± 0.004b	9.96 ± 0.249b	10.23 ± 0.206a
Spd	0.26 ± 0.004a	0.18 ± 0.010a	12.11 ± 0.755a	10.99 ± 1.235a
CHA	0.16 ± 0.009c	0.09 ± 0.004c	8.93 ± 0.487b	9.30 ± 1.107a

Values were mean ± SE (n = 3). Different small letter (s) following the values indicated significant difference (p < 0.05, Tukey’s HSD) among treatments. For other explanation please see Table 2