Table 3.
Analyses of variance indicating plant pigment contents affected by the experimental treatments
| a | b | c | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Source | DF | Type I SS | Mean square | F value | Pr > F | Type I SS | Mean square | F value | Pr > F | Type I SS | Mean square | F value | Pr > F |
| PGR | 3 | 0.08 | 0.03 | 2.02 | 0.111 | 0.04 | 0.01 | 1.96 | 0.1197 | 0.09 | 0.03 | 0.82 | 0.4812 |
| G | 2 | 0.19 | 0.09 | 6.65 | 0.0015** | 0.01 | 0.00 | 0.48 | 0.6223 | 0.16 | 0.08 | 2.27 | 0.1049 |
| T | 2 | 0.28 | 0.14 | 9.98 | < .0001** | 0.14 | 0.07 | 9.19 | 0.0001** | 0.51 | 0.26 | 7.28 | 0.0008** |
| PGR * G | 6 | 0.17 | 0.03 | 2.04 | 0.0599 | 0.09 | 0.02 | 2.01 | 0.0642 | 0.48 | 0.08 | 2.28 | 0.0361* |
| PGR * T | 6 | 0.06 | 0.01 | 0.67 | 0.6771 | 0.05 | 0.01 | 1.16 | 0.3283 | 0.15 | 0.02 | 0.7 | 0.6477 |
| G * T | 4 | 0.35 | 0.09 | 6.22 | < .0001** | 0.09 | 0.02 | 2.89 | 0.0228* | 0.68 | 0.17 | 4.86 | 0.0008** |
| PGR * G * T | 12 | 0.27 | 0.02 | 1.61 | 0.0887 | 0.26 | 0.02 | 2.87 | 0.0009** | 0.95 | 0.08 | 2.25 | 0.01** |
*Significant at P ≤ 0.05; **Significant at P ≤ 0.01
a: chlorophyll a, b: chlorophyll b, c: carotenoids
PGR plant growth regulators; G genotype; T temperature (PD); n.s. Not significant