|
|
TABLE 2.
Estimated C mass balances for open-system incubations for
three fungal species on C3- and
C4-derived sucrose
|
|
| Sugar |
Species |
No. of
replicates |
C mass balance (g)
|
% of original C used
|
| Blank medium |
Fungusa |
Respired
CO2b |
|
| C3-derived
sucrose |
C.
volvatus |
16 |
0.440 ± 0.017 |
0.020 ± 0.006 |
0.015 ± 0.005 |
7.97 ± 2.42
|
|
M.
androsaceus |
18 |
0.440 ± 0.017 |
0.065 ± 0.013 |
0.047 ± 0.009 |
25.38 ± 4.89
|
|
S.
granulatus |
15 |
0.440 ± 0.017 |
0.015 ± 0.009 |
0.011 ± 0.007 |
5.83 ± 3.82
|
| C4-derived sucrose |
C.
volvatus |
3 |
0.438 ± 0.015 |
0.030 ± 0.010 |
0.022 ± 0.006 |
11.66 ± 3.70
|
|
M.
androsaceus |
8 |
0.438 ± 0.015 |
0.061 ± 0.016 |
0.044 ± 0.012 |
23.66 ± 6.47
|
|
S.
granulatus |
8 |
0.438 ± 0.015 |
0.017 ± 0.009 |
0.012 ± 0.007 |
6.44 ± 3.87 |
|
a
The original fungal inoculum contained
less than 0.5 × 10 6 g of C.
|
|
b
The amount of respired CO2 was
estimated by using the average ratio of CO2 to fungal
biomass obtained in closed systems (0.722) (Table 1).
|
|