Table 1 Repeated measures analysis of variance of diurnal variation of photosynthesis (A) and linear electron flux through photosystem II (ETR), for the main effects of plant type (tranformants and WT), CO₂ concentration (385 ppm, 585 ppm), and time of day (time).

type

1, 10.4

10.29

0.009

1, 9.11

9.16

0.014

CO₂

1, 10.4

28.93

0.0003

1, 9.11

2.04

0.187

type*CO₂

1, 10.4

1.99

0.188

1, 9.11

1.99

0.191

time

4, 73.7

21.83

<.0001

4, 79.9

16.04

<.0001

type*time

4, 73.7

0.41

0.804

4, 79.9

0.35

0.846

CO₂*time

4, 73.7

5.75

0.000

4, 79.9

1.58

0.189

type*CO₂*time

4, 73.7

0.65

0.627

4, 79.9

0.71

0.590

14-Aug

Photo

ETR

df

F

P

df

F

P

type

1, 12.4

0.98

0.342

1, 10.9

1.54

0.240

CO₂

1, 12.4

6.58

0.024

1, 10.9

2.66

0.131

type*CO₂

1, 12.4

0.44

0.521

1, 10.9

0

0.971

time

4, 104

29.48

<.0001

4, 102

135.52

<.0001

type*time

4, 104

0.92

0.453

4, 102

1.16

0.333

CO₂*time

4, 104

2.73

0.033

4, 102

1.64

0.169

type*CO₂*time

4, 104

0.4

0.806

4, 102

0.45

0.775