Table 4 Correlation between the resistance ratio and life table parameters of pink bollworm
Life table parameter | r values |
|---|---|
Egg period | 0.992** |
Larval period | 0.998** |
Pupal period | 0.998** |
Male (Adult) period | –0.976** |
Female (Adult) period | –0.949** |
Total life cycle (Male) | 0.998** |
Total life cycle (Female) | 0.997** |
Pre-oviposition period | 0.950** |
Oviposition period | –0.976** |
Fecundity | –0.806 |
Percentage of fertility | –0.909** |
Percentage of pupation | –0.146 |
Percentage of adult emergence | –0.999** |
Net reproductive rate (R0) | –0.938** |
Mean length of generation (Tc) | 0.999** |
Innate capacity for increase in number (rm) | –0.290 |
Finite rate of increase in number (λ) | –0.289 |
Arbitary (rc) | –0.281 |
Weekly multiplication of population | –0.982** |
Doubling time (DT) | 0.997** |
Potential fecundity (PF) | –0.645 |
No. of hypothetical F2 females | –0.976** |