Environmental Engineering Reference
In-Depth Information
*UHHQ
/HQJWK
&UXGHRLO
Fig. 13.1
Number of germinated seeds in different concentrations of crude oil after 30 days of
seeding and total dry biomass (shoots + roots) and dry biomass of roots after 120 days of planting.
Average values ± standard deviation (± SD),
p
< 0.05
DŽƚĂŮĎŜŽŴĂƐƐ
ϬϬϬ
ZŽŽƚĎŜŽŴĂƐƐ
'ĞƋŴŜŶĂƟŽŶ
ϴϬ
ϹϬ
ΚϬ
ϮϬ
Ϭ
&UXGHRLO
Fig. 13.2
Length of leaves measured 60 days after planting; Green plants were counted at the end
of experiment (120 days)
Peroxidase Activity
The peroxidase activity was determined in both roots and
shoots of
Festuca arundinacea
which was in contact of crude oil-contaminated
soil (the concentration of oil in soil was 5 % w/w) and control (non-polluted soil).
Figures
13.3
and
13.4
show the reciprocal of velocity (1/V) against the reciprocal
of the substrate (H
2
O
2
) concentration (1/(S)) in shoots and roots. In shoots, the K
m
