. 2011 Apr 12;12(4):2488–2501. doi: 10.3390/ijms12042488

Table 2.

Effects of hemoglobin (Hb, 1.0 g/L) pretreatment for 24 h on the inhibition of rice seed germination, and seedling shoot and root length, caused by 100 mM NaCl stress in the presence and absence of the HO-1 inhibitor ZnPPIX (100 μM) for another 60 h.

Treatment	Germination rate (%)	Shoot length (cm)	Root length (cm)
H₂O→H₂O	90.30 ± 2.38^a	1.33 ± 0.20^a	3.46 ± 0.14^a
Hb1.0→H₂O	94.47 ± 2.49^a	1.46 ± 0.16^a	3.30 ± 0.23^a
H₂O→ZnPPIX	87.55 ± 2.08^ab	1.15 ± 0.24^ab	2.90 ± 0.10^ab
Hb1.0→ZnPPIX	84.54 ± 5.05^ab	1.18 ± 0.25^ab	3.04 ± 0.30^ab
H₂O→S	46.32 ± 6.59^d	0.70 ± 0.08^c	2.58 ± 0.33^b
Hb1.0→S	64.88 ± 3.77^c	0.90 ± 0.11^b	2.47 ± 0.10^b
H₂O→S + ZnPPIX	44.19 ± 5.04^d	0.66 ± 0.07^c	2.14 ± 0.25^bc
Hb1.0→S + ZnPPIX	45.70 ± 2.58^d	0.79 ± 0.09^bc	1.95 ± 0.21^c

Values are the means ± SE of at least three independent experiments. Different letters within columns indicate significant differences (P < 0.05) according to Duncan’s multiple test.