300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Pelargonium x hortorum [Zonal Geranium]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
3
|
|
| Arithmetic Mean |
19.3%
|
89.7%
|
|
| Standard Error |
8.8%
|
63.4
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Kelly et al. (1990) |
pots (0.4 liter)
|
|
245% |
|
|
Mishra et al. (2012) |
Photosynthesis 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
|
4%
|
|
|
|
Mishra et al. (2012) |
Photosynthesis 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
|
40%
|
|
|
|
Mishra et al. (2012) |
Photosynthesis 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
|
14%
|
|
|
|
Nowak and Nowak (2013) |
Photosynthesis of initially unrooted cuttings 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
|
|
11% |
|
|
Nowak and Nowak (2013) |
Photosynthesis of initially unrooted cuttings 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
|
|
13% |
|