Table 2 The analysis of variance results for Sitobion avenae life-history traits (3 conditioning wheat varieties ×3 transition wheat varieties).
Factors | Individual-level hierarchical traits | Population-level hierarchical traits | |||||||
|---|---|---|---|---|---|---|---|---|---|
Development time | Weight Gain | Mean Relative Growth Rate | Fecundity | rm | Nymphal Survival | Net Reproduction Rate | Fitness Index | ||
Conditioning varieties | F ratios | 3.04 | 3.29 | 1.38 | 0.85 | 3.57 | 3.72 | 0.45 | 0.69 |
P value | 0.05 | 0.04 | 0.26 | 0.43 | 0.03 | 0.12 | 0.64 | 0.50 | |
Transition varieties | F ratios | 0.32 | 1.34 | 1.39 | 11.21 | 4.07 | 3.64 | 16.59 | 12.06 |
P value | 0.73 | 0.26 | 0.25 | <0.01 | 0.02 | 0.13 | <0.01 | <0.01 | |
Interaction | F ratios | 7.78 | 0.84 | 5.16 | 2.72 | 1.45 | # | 1.21 | 1.20 |
P value | <0.01 | 0.50 | <0.01 | 0.03 | 0.22 | # | 0.31 | 0.31 | |
