300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Pelargonium x hortorum Bailey (pro sp.) [Pelargonium]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
|
3
|
1
|
| Arithmetic Mean |
|
61.7%
|
7%
|
| Standard Error |
|
17.2
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Davis and Potter (1983) |
|
|
|
7%
|
|
White and Warrington (1984) |
pots (1.2 liter), low light
|
|
34% |
|
|
White and Warrington (1984) |
pots (1.2 liter), moderate light
|
|
48% |
|
|
White and Warrington (1984) |
pots (1.2 liter), high light
|
|
103% |
|