300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Hedera helix L. [English Ivy]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
5
|
5
|
5
|
| Arithmetic Mean |
0%
|
8.2%
|
45.8%
|
| Standard Error |
0%
|
7.3
|
19.3%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Li et al. (2000) |
growth chambers, day 2, variegated leaves
|
97%
|
||
|
Li et al. (2000) |
growth chambers, day 2, fully green leaves
|
97%
|
||
|
Li et al. (2000) |
growth chambers, day 40, variegated leaves
|
31%
|
||
|
Li et al. (2000) |
growth chambers, day 40, fully green leaves
|
4%
|
||
|
Saxe (1986) |
pots (11-cm, 6 to 40 plants)
|
41% |