300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Rosa hybrida [Rose]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
9
|
|
| Arithmetic Mean |
26.5%
|
27.6%
|
|
| Standard Error |
7.9%
|
8.1
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Clark et al. (1993) |
growth chambers, early spring harvest, shoots
|
9%
|
19% |
|
|
Clark et al. (1993) |
growth chambers, early spring harvest, roots
|
46%
|
74% |
|
|
Clark et al. (1993) |
growth chambers, early spring harvest, roots
|
|
|
|
|
Clark et al. (1993) |
growth chambers, late winter harvest, shoots
|
13%
|
15% |
|
|
Clark et al. (1993) |
growth chambers, late winter harvest, roots
|
38%
|
71% |
|
|
Mortensen (1984) |
growth chambers
|
|
9% |
|
|
Mortensen (1985) |
pots (11-cm)
|
|
19% |
|
|
Mortensen et al. (2006) |
Fresh-weight biomass of well watered and fertilized one-year-old plants (cv Escimo) "pinched at a height of 25 cm" grown for two more months, one plant per pot, in growth chambers
|
|
13% |
|
|
Mortensen et al. (2006) |
Fresh-weight biomass of well watered and fertilized one-year-old plants (cv Red Champ) "pinched at a height of 25 cm" grown for two more months, one plant per pot, in growth chambers
|
|
18% |
|
|
Zieslin et al. (1986) |
pots (12-cm), greenhouse, growth chambers
|
|
10% |
|