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.

Hordeum vulagare L. [Barley]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
25
2
 
 Arithmetic Mean
56.8%
32%
 
 Standard Error
8.3%
4.9
 

Individual Experiement Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Atkinson et al. (1991)

pots (7.5-cm)
1%

 

 

Bunce (1998)

field pots, temperature 10C
63%

 

 

Bunce (1998)

field pots, temperature above 30C
107%

 

 

Hibberd et al. (1996)

controlled environment cabinets, cv. Atem
9%

 

 

Hibberd et al. (1996)

controlled environment cabinets, cv. Blenheim
36%

 

 

Hibberd et al. (1996)

controlled environment cabinets, cv. Blenheim, 6 days after infection with powdery mildew
129%

 

 

Perez-Lopez et al. (2012)

Photosynthesis of the first fully-expanded leaf of seedlings grown in a 3:1 mixture of perlite:vermiculite within controlled-environment chambers, where they were watered with Hoagland's solution every two days for 14 days, after which they were watered every two days for 14 more days with the same Hoagland's solution supplemented with a 0 mM concentration of NaCl
43%

 

 

Perez-Lopez et al. (2012)

Photosynthesis of the first fully-expanded leaf of seedlings grown in a 3:1 mixture of perlite:vermiculite within controlled-environment chambers, where they were watered with Hoagland's solution every two days for 14 days, after which they were watered every two days for 14 more days with the same Hoagland's solution supplemented with an 80 mM concentration of NaCl
56%

 

 

Perez-Lopez et al. (2012)

Photosynthesis of the first fully-expanded leaf of seedlings grown in a 3:1 mixture of perlite:vermiculite within controlled-environment chambers, where they were watered with Hoagland's solution every two days for 14 days, after which they were watered every two days for 14 more days with the same Hoagland's solution supplemented with a 160 mM concentration of NaCl
61%

 

 

Perez-Lopez et al. (2012)

Photosynthesis of the first fully-expanded leaf of seedlings grown in a 3:1 mixture of perlite:vermiculite within controlled-environment chambers, where they were watered with Hoagland's solution every two days for 14 days, after which they were watered every two days for 14 more days with the same Hoagland's solution supplemented with a 240 mM concentration of NaCl
65%

 

 

Robredo et al. (2007)

Photosynthesis at new day zero of well watered and fertilized barley seedlings from the time of emergence until the age of 18 days, whereupon a drought treatment was imposed by withholding water at new day zero
28%

 

 

Robredo et al. (2007)

Photosynthesis at new day nine of well watered and fertilized barley seedlings from the time of emergence until the age of 18 days, whereupon a drought treatment was imposed by withholding water at new day zero
54%

 

 

Robredo et al. (2007)

Photosynthesis at new day 13-16 of well watered and fertilized barley seedlings from the time of emergence until the age of 18 days, whereupon a drought treatment was imposed by withholding water at new day zero
157%

 

 

Robredo et al. (2010)

Photosynthesis of well watered plants in controlled-environment chambers grown from seed in pots filled with a 3:1 mix of perlite:vermiculite until they were 18 days old, after which water was withheld from them for 0 days
25%

 

 

Robredo et al. (2010)

Photosynthesis of well watered plants in controlled-environment chambers grown from seed in pots filled with a 3:1 mix of perlite:vermiculite until they were 18 days old, after which water was withheld from them for 9 days
32%

 

 

Robredo et al. (2010)

Photosynthesis of well watered plants in controlled-environment chambers grown from seed in pots filled with a 3:1 mix of perlite:vermiculite until they were 18 days old, after which water was withheld from them for 13 days
135%

 

 

Robredo et al. (2010)

Photosynthesis of well watered plants in controlled-environment chambers grown from seed in pots filled with a 3:1 mix of perlite:vermiculite until they were 18 days old, after which water was withheld from them for 16 days
135%

 

 

Sicher and Bunce (1997)

Plants grown from seed to maturity in field within open-top chambers (1995, day of year 109); cv. Wyson
47%

 

 

Sicher and Bunce (1997)

Plants grown from seed to maturity in field within open-top chambers (1995, day of year 123); cv. Wyson
22%

 

 

Sicher and Bunce (1997)

Plants grown from seed to maturity in field within open-top chambers (1996, day of year 113); cv. Wyson
32%

 

 

Sicher and Bunce (1997)

Plants grown from seed to maturity in field within open-top chambers (1996, day of year 144); cv. Wyson
33%

 

 

Sicher and Bunce (2008)

Photosynthesis of fully expanded collared leaves of well watered and fertilized wild-type (WT) plants of the Steptoe cultivar grown one to each 1.5-L pot of a 1:1 mixture of vermiculite and Promix Professional for 21 days in controlled-environment chambers
 

39%

 

Sicher and Bunce (2008)

Photosynthesis of fully expanded collared leaves of well watered and fertilized nar1 mutants of the Steptoe cultivar grown one to each 1.5-L pot of a 1:1 mixture of vermiculite and Promix Professional for 21 days in controlled-environment chambers
 

25%

 

Wall et al. (2011)

Photosynthesis of adequately-fertilized and fully-expanded sunlit primary leaves of spring barley growing under Wet conditions (100% replacement of potential evapotranspiration, respectively) out-of-doors in a FACE experiment at Phoenix, Arizona
38%

 

 

Wall et al. (2011)

Photosynthesis of adequately-fertilized and fully-expanded sunlit primary leaves of spring barley growing under Dry conditions (50% replacement of potential evapotranspiration, respectively) out-of-doors in a FACE experiment at Phoenix, Arizona
62%

 

 

Wang et al. (2013)

Five-day-old seedlings transferred to opaque 4.5-L cultivation units filled with an aerated nutrient solution containing 2 mM NO3- and placed in controlled-environment chambers for 15 additional days
19%

 

 

Wang et al. (2013)

Five-day-old seedlings transferred to opaque 4.5-L cultivation units filled with an aerated nutrient solution containing 1 mM NH4NO3 and placed in controlled-environment chambers for 15 additional days
32%

 

 

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