300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pelargonium x hortorum [Zonal Geranium]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
7
|
1
|
| Arithmetic Mean |
9%
|
56.6%
|
7%
|
| Standard Error |
10.8%
|
13
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Davis and Potter (1983) |
|
|
|
7%
|
|
Mishra et al. (2012) |
Biomass of 50-day-old seedlings subsequently grown for 30 additional days within a greenhouse via hydroponic techniques in 4-L plastic tubs with complete optimum-nutrient solutions, except for low (4.5 µM) concentrations of boron (B) present
|
-3%
|
|
|
|
Mishra et al. (2012) |
Biomass of 50-day-old seedlings subsequently grown for 30 additional days within a greenhouse via hydroponic techniques in 4-L plastic tubs with complete optimum-nutrient solutions, except for medium (45 µM) concentrations of boron (B) present
|
33%
|
|
|
|
Mishra et al. (2012) |
Biomass of 50-day-old seedlings subsequently grown for 30 additional days within a greenhouse via hydroponic techniques in 4-L plastic tubs with complete optimum-nutrient solutions, except for high (450 µM) concentrations of boron (B) present
|
-20%
|
|
|
|
Nowak and Nowak (2013) |
Shoot biomass of initially unrooted cuttings grown for five weeks within glass chambers covered with plexiglass that were treated with rooting powder and planted in a 3:1 mix of sphagnum peat and perlite substrate without mycorrhizal fungi inoculation
|
|
0% |
|
|
Nowak and Nowak (2013) |
Shoot biomass of initially unrooted cuttings grown for five weeks within glass chambers covered with plexiglass that were treated with rooting powder and planted in a 3:1 mix of sphagnum peat and perlite substrate with mycorrhizal fungi inoculation
|
|
36% |
|
|
Nowak and Nowak (2013) |
Root biomass of initially unrooted cuttings grown for five weeks within glass chambers covered with plexiglass that were treated with rooting powder and planted in a 3:1 mix of sphagnum peat and perlite substrate without mycorrhizal fungi inoculation
|
|
92% |
|
|
Nowak and Nowak (2013) |
Root biomass of initially unrooted cuttings grown for five weeks within glass chambers covered with plexiglass that were treated with rooting powder and planted in a 3:1 mix of sphagnum peat and perlite substrate with mycorrhizal fungi inoculation
|
|
83% |
|
|
Singh et al. (2020) |
Dry weight of plants grown for nearly 5 months in a controlled-environment greenhouse with CO2 levels elevated for only 6 to 8 hours each day; cv L.H. Bailey ‘Pinto Premium Rose Bicolor’
|
26%
|
|
|
|
White and Warrington (1984) |
pots (1.2 liter), low light
|
|
34% |
|
|
White and Warrington (1984) |
pots (1.2 liter), moderate light
|
|
48% |
|
|
White and Warrington (1984) |
pots (1.2 liter), high light
|
|
103% |
|