300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Abutilon theophrasti L. [Velvet Leaf]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
14
|
|
2
|
| Arithmetic Mean |
32.1%
|
|
26%
|
| Standard Error |
13.7%
|
|
0.7%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Bazzaz and Carlson (1984) |
tubs (10.7 liters, 24 plants), water-stressed
|
2%
|
|
25%
|
|
Bazzaz and Carlson (1984) |
tubs (10.7 liters, 24 plants), well-watered
|
14%
|
|
27%
|
|
Bazzaz and Garbutt (1988) |
pots (13-cm, 16 plants)
|
0%
|
|
|
|
Dippery et al. (1995) |
controlled growth chambers, leaves
|
10%
|
|
|
|
Dippery et al. (1995) |
controlled growth chambers, stem
|
30%
|
|
|
|
Dippery et al. (1995) |
controlled growth chambers, roots
|
46%
|
|
|
|
Dippery et al. (1995) |
controlled growth chambers, reproductive biomass
|
6%
|
|
|
|
Garbutt and Bazzaz (1984) |
pots (3-inch, several plants)
|
10%
|
|
|
|
Hirose et al. (1996) |
glasshouse
|
25%
|
|
|
|
Morse and Bazzaz (1994) |
environmental growth chambers, 18 °C
|
41%
|
|
|
|
Morse and Bazzaz (1994) |
environmental growth chambers, 28 °C
|
19%
|
|
|
|
Morse and Bazzaz (1994) |
environmental growth chambers, 38 °C
|
26%
|
|
|
|
Zangerl and Bazzaz (1984) |
tubs (7 liters, 36 plants)
|
10%
|
|
|
|
Ziska (2003) |
Grown from seed to maturity in the field, distributed among similarly-grown sorghum plants, and enclosed by open-top chambers
|
210%
|
|
|