Growth Parameter Crude oilconc. (% w/w)
0 1 3 6
Germination Time(Days) 5.0 ± 0.4a 5.3 ± 0.5a 5.3 ± 0.5a 7.0 ± 1.0b
Percentage Germination (%) 100.0 100.0 100.0 100.0
Height (cm) 207.3 ± 9.2a 208.0 ± 8.0a 199.0 ± 9.0b 187.3 ± 9.5c
Leaf Area (cm2) 84.5 ± 9.6a 64.4 ± 9.8a 62.1 ± 7.7a 62.2 ± 5.1a
Girth (cm) 3.0 ± 0.1a 3.8 ± 0.2a 3.2. ± 0.3a 3.2 ± .0.2a
Root Length (cm) 46.3 ± 0.4a 46.8 ± 0.4a 43.5 ± 2.1a 42.0 ± 1.4a
Fresh Weight(g) 198.0 ± 4.2a 281.9 ± 5.4b 202.1 ± 5.0a 152.3 ± 3.8c
Dry Weight (g) 49.8 ± 0.3a 63.9 ± 5.5b 51.5 ± 7.0a 34.9 ± 0.8c
*Values with the same alphabet (a, b, c) along the same row did not differ significantly (p < 0.05)
Table 1: Effect of various concentrations of crude oil on the growth of Phragmitis australies in mangrove swamp soil at day-120.