Seed Germination Characteristics of Rhus tripartitum (Ucria) Grande and Ziziphus lotus (L.): Effects of Water Stress

Table 3

Mean comparison (Duncan test 𝛼=0.05) of final percentage and mean time to germination of  Ziziphus lotus (Z) and Rhus tripartitum (R) seeds under osmotic stress condition.

		Germination characteristics
	Water potentiel (MPa)	Final germination percentage (FG)	Decrease (%)	CV (%)	MTG (days)
Ziziphus lotus	0	100 ± 0^f	0	20,35 ± 2,16^a	4,96 ± 0.55
	−0.2	70 ± 2^d	30	19,27 ± 2,63^a	5,27 ± 0,74
	−0.4	64 ± 3,03^d	36	19,15 ± 3,91^a	5,4 ± 1,12
	−0.6	50 ± 2,44^c	50	21,66 ± 5,19^a	4,85 ± 1,22
	−0.8	24 ± 1,78^b	76	24,28 ± 5,49^a	4,27 ± 0,83
	−1	17 ± 1,94^a	83	15,48 ± 4,29^a	6,87 ± 1,87
Rhus tripartitum	0	66 ± 0,84^a	34	10,40 ± 0,85^b	9,67 ± 0,83^b
	−0.2	35 ± 2,45^b	65	12,05 ± 1,02^a	8,35 ± 0,70^c
	−0.4	25 ± 1,58^c	75	8,24 ± 0,8^c	12,22 ± 1,14^a
	−0.6	11 ± 0,84^d	89	9,01 ± 1,28^c	11,27 ± 1,46^a
	−0.8	0^e	100	0^d	0^d
	−1	0^e	100	0^d	0^d

The values followed by the same letter are not significantly different at 𝑃>0.05 each value is a mean of five replicates of  20 seeds.
CV: kinetics of germination; FG: final germination percentage; MTG: mean time to germinate.