Table 4.
Population parameters of Spodoptera frugiperda reared on six different maize varieties.
| Hosts | Net Reproductive Rate (R0) (Offspring/Individual) |
Intrinsic Rate of Increase (r) (d−1) |
Finite Rate of Increase (λ) (d−1) |
Mean Generation Time (T) (d) |
|---|---|---|---|---|
| Baitiannuo | 355.01 ± 30.04 a | 0.1748 ± 0.0027 a | 1.1910 ± 0.0033 a | 33.60 ± 0.19 c |
| Zaocuiwang | 265.66 ± 22.98 b | 0.1702 ± 0.0029 ab | 1.1856 ± 0.0034 ab | 32.79 ± 0.20 d |
| Ziyunuo | 260.79 ± 22.75 b | 0.1634 ± 0.0028 b | 1.1775 ± 0.0033 b | 34.06 ± 0.21 c |
| Wuke No.4 | 215.89 ± 20.79 bc | 0.1519 ± 0.0030 c | 1.1638 ± 0.0035 c | 35.39 ± 0.24 b |
| Wuke 113 | 191.95 ± 19.27 cd | 0.1345 ± 0.0027 d | 1.1440 ± 0.0030 d | 39.08 ± 0.16 a |
| Zhengdan 958 | 157.22 ± 16.38 d | 0.1275 ± 0.0028 d | 1.1360 ± 0.0032 d | 39.66 ± 0.27 a |
Note: Data are mean ± SE. Significant differences are expressed by different lowercase letters in the same column (p < 0.05).