Percent Photosynthesis (Net CO2 Exchange Rate) Increases for
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]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
3
3
 
 Arithmetic Mean
19.3%
89.7%
 
 Standard Error
8.8%
63.4
 

Individual Experiment Results

Journal References

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 ÁM) 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 ÁM) 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 ÁM) 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%

 

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