Table 4 Selection differentials and gradients for life-history traits of 5th generation Sitobion avenae clones under water-stress
Traits | Moist area clones under WW | Semiarid area clones under IS | Arid area clones under SS | |||
|---|---|---|---|---|---|---|
Differential | Gradient | Differential | Gradient | Differential | Gradient | |
DT1 | − 0.1153 | − 0.0767 | 0.2413* | 0.0492 | − 0.1183 | − 0.1634* |
DT2 | − 0.0476 | − 0.1061 | − 0.0674 | − 0.3119*** | 0.1604 | 0.1133 |
DT3 | − 0.0215 | − 0.0654 | − 0.2610* | − 0.2764** | − 0.0233 | 0.1138 |
DT4 | − 0.1534 | − 0.1620 | 0.0539 | − 0.1801* | − 0.0702 | 0.0271 |
DT5 | − 0.2048* | − 0.1462 | − 0.0430 | − 0.2228** | − 0.0272 | 0.0459 |
Weight | 0.4737*** | 0.4548*** | 0.6801*** | 0.7346*** | 0.6839*** | 0.6888*** |