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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)

From: Exogenous spermidine improves seed germination of sweet corn via involvement in phytohormone interactions, H2O2 and relevant gene expression

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
  1. 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