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.

Phaseolus vulgaris L. [Garden Bean]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
24
4
2
 Arithmetic Mean
55.8%
158.3%
-9.5%
 Standard Error
10.3%
18.8
6.7%

Individual Experiment Results

Journal References
Experimental Conditions
300 ppm
600 ppm
900 ppm

Boese et al. (1997)
controlled environment chambers, immediately before chilling
22%

 
 

Boese et al. (1997)
controlled environment chambers, end of 24-hour chilling period
195%

 
 

Boese et al. (1997)
controlled environment chambers, after a 24-hour recovery period
207%

 
 

Breen et al. (1986)
field
66%

 
 

Bunce (2008)
Photosynthesis of adequately fertilized plants of the variety Red Hawk (a kidney bean of the Nueva Granada race of the Andean South American group) grown from seed to maturity in the field within open-top chambers at Beltsville, Maryland (USA), where measurements were made in full sunlight at midday during the pod-filling stage over four growing seasons
70%

 
 

Bunce (2008)
Photosynthesis of adequately fertilized plants of the variety Brown Beauty (a snap bean of the Nueva Granada race of the Andean South American group) grown from seed to maturity in the field within open-top chambers at Beltsville, Maryland (USA), where measurements were made in full sunlight at midday during the pod-filling stage over four growing seasons
56%

 
 

Bunce (2008)
Photosynthesis of adequately fertilized plants of the variety Jaguar (a black bean of the Mesoamerica race of the Middle American group) grown from seed to maturity in the field within open-top chambers at Beltsville, Maryland (USA), where measurements were made in full sunlight at midday during the pod-filling stage over four growing seasons
28%

 
 

Bunce (2008)
Photosynthesis of adequately fertilized plants of the variety Matterhorn (a great northern bean of the Durango race of the Middle American group) grown from seed to maturity in the field within open-top chambers at Beltsville, Maryland (USA), where measurements were made in full sunlight at midday during the pod-filling stage over four growing seasons
32%

 
 

Cornic and Briantais (1991)
pots, low light
38%

 
 

Cornic and Briantais (1991)
pots, moderate light
52%

 
 

Cowling and Sage (1998)
growth chambers,moderate temperature (25°C)
93%

 
 

Cowling and Sage (1998)
growth chambers,high temperature (36°C)
117%

 
 

Ehret and Jolliffe (1985)
pots (0.85 liter), unshaded
 

 
-19%

Ehret and Jolliffe (1985)
pots (0.85 liter), shaded
 

 
0%

Jifon and Wolfe (2005)
Well watered and fertilized plants grown from seed to maturity in pots within controlled environment chambers at optimum temperature conditions during the vegetative growth stage
41%

 
 

Jifon and Wolfe (2005)
Well watered and fertilized plants grown from seed to maturity in pots within controlled environment chambers at optimum temperature conditions during the reproductive growth stage
22%

 
 

Maleszewski et al. (1988)
pots, shade leaves, low light
 

111%
 

Maleszewski et al. (1988)
pots, shade leaves, high light
 

180%
 

Maleszewski et al. (1988)
pots, sun leaves, low light
 

135%
 

Maleszewski et al. (1988)
pots, sun leaves, high light
 

207%
 

Melkonian et al. (2004)
Well-watered and fertilized plants maintained in growth chambers; 25/18?C day/night temperature
28%

 
 

Melkonian et al. (2004)
Well-watered and fertilized plants maintained in growth chambers; 6.5/6.5?C day/night temperature
0%

 
 

Prasad et al. (2004)
Well watered and fertilized plants grown from seed in controlled environment chambers maintained at daytime maximum/nighttime minimum air temperatures of 28/18?C at 42 days after planting
56%

 
 

Prasad et al. (2004)
Well watered and fertilized plants grown from seed in controlled environment chambers maintained at daytime maximum/nighttime minimum air temperatures of 34/24?C at 42 days after planting
49%

 
 

Prasad et al. (2004)
Well watered and fertilized plants grown from seed in controlled environment chambers maintained at daytime maximum/nighttime minimum air temperatures of 40/30?C at 42 days after planting
44%

 
 

Sharkey et al. (1985)
pots (4 liter), moderate light
23%

 
 

Von Caemmerer and Farquhar (1984)
pots (5 liter), shade leaves, low light
0%

 
 

Von Caemmerer and Farquhar (1984)
pots (5 liter), shade leaves, high light
36%

 
 

Von Caemmerer and Farquhar (1984)
pots (5 liter), sun leaves, moderate light
27%

 
 

Von Caemmerer and Farquhar (1984)
pots (5 liter), sun leaves, high light
37%

 
 

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