2W 4W 6W 8W Control
Parental biomass /g 12.36±3.21c 14.50± 4.13c 14.52±3.07c 18.60±6.09b 50.97±11.57 a 50.97±11.57 a
Offspring biomass / g 1.97±0.15ab 2.29±0.16a 1.79±0.15b 1.61±0.15bc 1.30±0.15c 1.30±0.15c
Node number of main stolon 12.42±0.54b 14.83±0.49a 13.71±0.49a 11.96±0.42b 11.88±1.13b 11.88±1.13b
Number of side branches 9.38±0.78b 11.83±0.71a 9.79±0.71b 9.08±0.61b 6.88±1.63b 6.88±1.63b
Growth rate - node no. 1.02± 0.00b 1.023± 0.00a 1.02± 0.00a 1.02± 0.01b 1.02± 0.01a 1.02± 0.01a
Growth rate - side branch no. 1.04± 0.02b 1.045± 0.01ab 1.05± 0.01ab 1.04± 0.01b 1.05± 0.02a 1.05± 0.02a