Comparative index

PO concentration

0.1 g/L

0.2 g/L

0.5 g/L

1 g/L

1.5 g/L

2 g/L

germination potential/%

85 ± 0.661

87 ± 0.516

92 ± 0.586

98 ± 0.732

94 ± 0.375

87 ± 1.290

germination rate/%

95 ± 0.837

97 ± 0.908

98 ± 0.753

99 ± 0.943

97 ± 0.577

95 ± 0.453