Table 4.
60 d | 120 d | 180 d | |||||||||||||
Variation source | Sum of squares | Degrees of freedom | Medium squares | F ratio | P value | Sum of squares | Degrees of freedom | Medium squares | F ratio | P value | Sum of squares | Degrees of freedom | Medium squares | F ratio | P value |
Calli formation | |||||||||||||||
Basal medium | 190 | 4 | 47 | 13 | <0.0001 | 215 | 4 | 54 | 17 | <0.0001 | 437 | 4 | 109 | 39 | <0.0001 |
Photoperiod regime | 42 | 1 | 42 | 11 | 0.0022 | 0 | 1 | 0 | 0 | >0.9999 | 1 | 1 | 1 | 0 | 0.5152 |
Interaction basal medium × photoperiod regime | 605 | 4 | 151 | 40 | <0.0001 | 85 | 4 | 21 | 7 | 0.0005 | 106 | 4 | 26 | 9 | <0.0001 |
Standard error | 113 | 30 | 4 | 94 | 30 | 3 | 85 | 30 | 3 | ||||||
Protocorm germination | |||||||||||||||
Basal medium | 253 | 4 | 63 | 27 | <0.0001 | 1063 | 4 | 266 | 68 | <0.0001 | 2550 | 4 | 637 | 469 | <0.0001 |
Photoperiod regime | 297 | 1 | 297 | 126 | <0.0001 | 106 | 1 | 106 | 27 | <0.0001 | 60 | 1 | 60 | 44 | <0.0001 |
Interaction basal medium × photoperiod regime | 385 | 4 | 96 | 41 | <0.0001 | 43 | 4 | 11 | 3 | 0.047 | 36 | 4 | 9 | 7 | 0.0006 |
Standard error | 71 | 30 | 2 | 118 | 30 | 4 | 41 | 30 | 1 |