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.

Pyrus pyrifolia [Asian Pear]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
4
 
2
 Arithmetic Mean
64.5%
 
131.5%
 Standard Error
8.5%
 
11%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Han et al. (2012)

Photosynthesis of leaves of similar age and size on three-year-old 'Niitaka' pear trees cultivated in rhizotron compartments at ambient temperature (T) at the National Institute of Horticultural & Herbal Science in Suwon, Korea from April 20 to October 2, 2010
36%

 

 

Han et al. (2012)

Photosynthesis of leaves of similar age and size on three-year-old 'Niitaka' pear trees cultivated in rhizotron compartments at ambient temperature (T) + 4C at the National Institute of Horticultural & Herbal Science in Suwon, Korea from April 20 to October 2, 2010
68%

 

 

Ito et al. (2002)

growth cabinets, spur leaves
77%

 

116%

Ito et al. (2002)

growth cabinets, shoot leaves
77%

 

147%

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