Table 2. Population parameters Vi (viability), Me (median germination time), Qu (dispersion) and Sk (skewness) of the Richards’ function for germination of oilseed rape.

Cultivar	Treatment	Vi (%)	Me (d)	Qu (d)	Sk (%)
Zhongshuang 7	WW	100.09 ± 0.01	1.04 ± 0.01	0.31 ± 0.01	0.41 ± 0.01
	WW + Plasma	100.10 ± 0.02	1.02 ± 0.01	0.32 ± 0.01	0.44 ± 0.01
	DS	100.18 ± 0.05	1.08 ± 0.01	0.28 ± 0.02	0.39 ± 0.02
	DS + Plasma	100.08 ± 0.02	1.03 ± 0.02	0.31 ± 0.01	0.41 ± 0.01
Zhongshuang 11	WW	100.04 ± 0.02	1.04 ± 0.01	0.27 ± 0.02	0.38 ± 0.01
	WW + Plasma	100.06 ± 0.02	1.05 ± 0.01	0.30 ± 0.01	0.39 ± 0.01
	DS	100.23 ± 0.06	1.10 ± 0.02	0.37 ± 0.01	0.44 ± 0.01
	DS + Plasma	100.09 ± 0.03	1.03 ± 0.01	0.34 ± 0.02	0.42 ± 0.02

WW: well watered; WW + Plasma: well watered + plasma; DS: drought stress; DS + Plasma: drought stress + plasma. Data were means ± SE of three replications.