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Percent Photosynthesis (Net CO2 Exchange Rate) Increases for 300, 600 and 900 ppm Increases in the Air's CO2 Concentration:

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Brassica napus (L.) [Canola]

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Himanen et al. (2008)
Photosynthesis of transgenic (Bt) plants grown from seed for 30 days in 0.66-L pots filled with a 2:1:1 mix of fertilized soil, sphagnum peat and sand within computer-controlled growth chambers maintained at day/night temperatures of 20/16°C (ambient T); cv. Westar
69%
 
 
Himanen et al. (2008)
Photosynthesis of transgenic (Bt) plants grown from seed for 30 days in 0.66-L pots filled with a 2:1:1 mix of fertilized soil, sphagnum peat and sand within computer-controlled growth chambers maintained at day/night temperatures of 24/20°C (elevated T); cv. Westar
17%
 
 
Himanen et al. (2008)
Photosynthesis of plants grown from seed for 30 days in 0.66-L pots filled with a 2:1:1 mix of fertilized soil, sphagnum peat and sand within computer-controlled growth chambers maintained at day/night temperatures of 20/16°C (ambient T)
112%
 
 
Himanen et al. (2008)
Photosynthesis of plants grown from seed for 30 days in 0.66-L pots filled with a 2:1:1 mix of fertilized soil, sphagnum peat and sand within computer-controlled growth chambers maintained at day/night temperatures of 24/20°C (elevated T)
16%
 
 
Qaderi and Reid (2005)
Well watered and fertilized plants grown from seed to maturity in pots in controlled environment chambers without a daily dose of UV-B radiation
41%
 
 
Qaderi and Reid (2005)
Well watered and fertilized plants grown from seed to maturity in pots in controlled environment chambers with a daily dose of UV-B radiation in the amount of 4.2 kJ m-2
39%
 
 
Qaderi et al. (2006)
Photosynthesis of well fertilized seven-day-old plants grown for an additional 11 days in controlled-environment growth chambers in well-watered (to field capacity) soil moisture conditions at low day/night temperatures (22°C/18°C)
49%
 
 
Qaderi et al. (2006)
Photosynthesis of well fertilized seven-day-old plants grown for an additional 11 days in controlled-environment growth chambers in well-watered (to field capacity) soil moisture conditions at high day/night temperatures (28°C/24°C)
38%
 
 
Qaderi et al. (2006)
Photosynthesis of well fertilized seven-day-old plants grown for an additional 11 days in controlled-environment growth chambers in drought-stressed (at the wilting point) soil moisture conditions at low day/night temperatures (22°C/18°C)
39%
 
 
Qaderi et al. (2006)
Photosynthesis of well fertilized seven-day-old plants grown for an additional 11 days in controlled-environment growth chambers in drought-stressed (at the wilting point) soil moisture conditions at high day/night temperatures (28°C/24°C)
280%
 
 
Qaderi et al. (2007)
Photosynthesis of maturing siliquas (husks surrounding seeds) grown from the 30-day-old stage until 25 days after anthesis in 1-L pots within controlled environment chambers with (4.2 kJ m-2 d-1) UVB radiation
24%
 
 
Qaderi et al. (2007)
Photosynthesis of maturing siliquas (husks surrounding seeds) grown from the 30-day-old stage until 25 days after anthesis in 1-L pots within controlled environment chambers without (0) UVB radiation
38%