Fig. 2

Effects of α-terpineol fumigation on seed decay rate in soil consecutively planted with Panax notoginseng. The consecutively planted soil was fumigated with α-terpineol at concentrations of 0, 5 and 50 μL/L. Steam indicates treatment of soil with steam at 121 °C for 15 min, which was used as a positive control. Data are presented as the mean ± SE, bars indicate SE, and different letters indicate significant differences analyzed by one-way ANOVA with Duncan’s multiple range test, P < 0.05