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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.

Triticum aestivum L. [Common Wheat]

Journal References
Experimental Conditions
300 ppm

600 ppm
900 ppm
open-top chambers, Malviya 234 cultivar
73%
 
 
open-top chambers, Malviya 234 cultivar, elevated SO2
53%
 
 
open-top chambers, HP 1209 cultivar
60%
 
 
open-top chambers, HP 1209 cultivar, elevated SO2
48%
 
 
Balaguer et al. (1995)
controlled environment chambers,
low ozone
40%
 
 
Balaguer et al. (1995)
controlled environment chambers,
high ozone
37%
 
 
FACE experiment, low nitrogen
12%
 
 
FACE experiment, high nitrogen
24%
 
 
field pots, temperature 10°C
54%
 
 
field pots, temperature above 30°C
99%
 
 
Christ and Korner (1995)
hydroponics, 2 and 3 October
74%
 
 
Christ and Korner (1995)
hydroponics, 8 and 9 October
130%
 
 
De Mothes and Knoppik (1994)
growth chamber
7%
 
 
Del Pozo et al. (2005)
Plants grown from seed in two different years out-of-doors in temperature gradient tunnels at ambient temperatures without an extra N application of 70 kg/ha
27%
 
 
Del Pozo et al. (2005)
Plants grown from seed in two different years out-of-doors in temperature gradient tunnels at ambient temperatures with an extra N application of 70 kg/ha
36%
 
 
Del Pozo et al. (2005)
Plants grown from seed in two different years out-of-doors in temperature gradient tunnels at elevated (ambient + 4°C) temperatures without an extra N application of 70 kg/ha
13%
 
 
Del Pozo et al. (2005)
Plants grown from seed in two different years out-of-doors in temperature gradient tunnels at elevated (ambient + 4°C) temperatures with an extra N application of 70 kg/ha
49%
 
 
Delgado et al. (1994)
controlled chambers in a glasshouse
9%
 
 
open-top chambers and field-tracking sun-lit climatized enclosures, late spring
34%
 
 
open-top chambers and field-tracking sun-lit climatized enclosures, end of season
20%
 
 
Du Cloux et al. (1989)
pots (1.45 liter)
56%
 
 
Evans (1986)
pots (15-cm)
31%
 
 
FACE
47%
 
 
Habash et al. (1995)
controlled environment chambers
38%
 
 
open-top chambers, ambient temperature
41%
 
 
open-top chambers, ambient + 3° C temperature
34%
 
 
Harnos et al. (2002)
open-top chambers, beginning of flowering
38%
 
 
Harnos et al. (2002)
open-top chambers, beginning of grain filling
140%
 
 
Harnos et al. (2002)
open-top chambers, beginning of grain filling, leaf level 1
138%
 
 
Harnos et al. (2002)
open-top chambers, beginning of grain filling, leaf level 2
34%
 
 
Harnos et al. (2002)
open-top chambers, beginning of grain filling, leaf level 3
682%
 
 
Harnos et al. (2002)
open-top chambers, beginning of grain filling, leaf level 4
520%
 
 
Havelka et al. (1984)
field, open-top chambers, flagleaf
 
 
52%
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; well-watered (85-100% field capacity), no extra N
7%
 
 
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; well-watered (85-100% field capacity), extra 100 µg N g-1
24%
 
 
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; well-watered (85-100% field capacity), extra 200 µg N g-1
39%
 
 
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; water-stressed (45-60% field capacity), no extra N
18%
 
 
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; water-stressed (45-60% field capacity), extra 100 µg N g-1
83%
 
 
Li et al. (2003)
Grown from seed in controlled environment chambers in pots filled with 3 kg of loess soil 60 days after sowing; water-stressed (45-60% field capacity), extra 200 µg N g-1
64%
 
 
field, Jingdong 8 cultivar
143%
 
 
field, Nongda 139 cultivar
73%
 
 
field, Yanda 1817 cultivar
63%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient T to the beginning of anthesis
9%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient T + 4°C to the beginning of anthesis
40%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient temperature and low nitrogen fertilizer (80 kg N/hectare) nine days after anthesis
117%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient temperature and high nitrogen fertilizer (120 kg N/hectare) nine days after anthesis
17%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient temperature plus 4°C and low nitrogen fertilizer (80 kg N/hectare) nine days after anthesis
-22%
 
 
Martinez-Carrasco et al. (2005)
Photosynthesis of flag leaves of plants grown in the field in temperature (T) gradient tunnels in a Mediterranean environment at ambient temperature plus 4°C and high nitrogen fertilizer (120 kg N/hectare) nine days after anthesis
34%
 
 
McMaster et al. (1999)
growth chambers, tillering stage
40%
 
 
McMaster et al. (1999)
growth chambers, booting stage
34%
 
 
McMaster et al. (1999)
growth chambers, grain filling stage
34%
 
 
Mitchell et al. (1999)
open-top chambers
48%
 
 
hydroponic chambers
 
 
13%
FACE, flag leaf
38%
 
 
FACE, 8th leaf
103%
 
 
FACE, 7th leaf
+ infinite
 
 
Pal et al. (2005)
Plants grown for 40 days in pots within open-top-chambers at low (75 kg/ha) soil nitrogen application
65%
 
 
Pal et al. (2005)
Plants grown for 40 days in pots within open-top-chambers at normal (150 kg/ha) soil nitrogen application
84%
 
 
Pal et al. (2005)
Plants grown for 90 days in pots within open-top-chambers at low (75 kg/ha) soil nitrogen application
29%
 
 
Pal et al. (2005)
Plants grown for 90 days in pots within open-top-chambers at normal (150 kg/ha) soil nitrogen application
47%
 
 
Pandurangam et al. (2006)
Plant cultivar HD 2329 grown from seed to maturity under normal field conditions within open-top chambers; measurements made at anthesis stage
25%
 
 
Pandurangam et al. (2006)
Plant cultivar DL 1266-5 grown from seed to maturity under normal field conditions within open-top chambers; measurements made at anthesis stage
29%
 
 
Perchorowicz and Jensen (1983)
pots (6-oz), moderate light
 
 
69%
Perchorowicz and Jensen (1983)
pots (6-oz), high light
 
 
185%
Santruckova et al. (1999)
Grown hydroponically in growth chambers for 34 days; pre-tillering; cv. Ritmo
99%
 
 
Santruckova et al. (1999)
Grown hydroponically in growth chambers for 34 days; tillering; cv. Ritmo
75%
 
 
Santruckova et al. (1999)
Grown hydroponically in growth chambers for 34 days; post-tillering; cv. Ritmo
143%
 
 
Sicher and Bunce (1997)
Plants grown from seed to maturity in field within open-top chambers (1995, day of year 109); cv. Coker
51%
 
 
Sicher and Bunce (1997)
Plants grown from seed to maturity in field within open-top chambers (1995, day of year 123); cv. Coker
14%
 
 
Sicher and Bunce (1997)
Plants grown from seed to maturity in field within open-top chambers (1996, day of year 113); cv. Coker
73%
 
 
Sicher and Bunce (1997)
Plants grown from seed to maturity in field within open-top chambers (1996, day of year 144); cv. Coker
11%
 
 
Srivastava et al. (2002)
open-top chambers, vegetative state,
early morning
150%
 
 
Srivastava et al. (2002)
open-top chambers, vegetative state, afternoon
32%
 
 
Srivastava et al. (2002)
open-top chambers, vegetative state,
late afternoon
40%
 
 
Srivastava et al. (2002)
open-top chambers, flowering state,
early morning
130%
 
 
Srivastava et al. (2002)
open-top chambers, flowering state, afternoon
28%
 
 
Srivastava et al. (2002)
open-top chambers, flowering state,
late afternoon
0%
 
 
controlled environment chambers,
non-inocculated, ambient ozone
33%
 
 
controlled environment chambers,
non-inocculated, high ozone
47%
 
 
controlled environment chambers, inocculated, ambient ozone
25%
 
 
controlled environment chambers, inocculated, high ozone
53%
 
 
Wang et al. (2008)
Photosynthesis of well watered and fertilized plants grown from seed at their optimal daytime temperature for about six weeks in growth chambers within 5-L pots filled with a 1:1:1 mixture of top-soil, sand and perlite
8%
 
 
open-top chambers, low soil water
41%
 
 
open-top chambers, medium soil water
103%
 
 
open-top chambers, high soil water
83%
 
 
Yu et al. (2004)
Plants growing in the field in the North China Plain
43%
 
 
Zhu et al. (2008)
Flag leaf photosynthesis of plants in a FACE study during the grain-filling stage
34%
 
 
Zhu et al. (2008)
Ear photosynthesis of plants in a FACE study during the grain-filling stage
84%