Table 6. The development and reproduction of M. separata larvae fed on Bt maize and non-Bt maize during the heading stage, infected with rhizobacterias under ambient and elevated CO2 in 2016 and 2017.
Impact factors | Factor levels | Larval life-span (day) | Pupation rate (%) | Pupal weight (g) | Pupal duration (day) | Adult longevity (day) | Fecundity (eggs per female) |
---|---|---|---|---|---|---|---|
Cv. | Bt | 24.19 ± 0.16a | 40.98 ± 2.45b | 0.192 ± 0.007b | 10.98 ± 0.18a | 6.63 ± 0.14b | 171.50 ± 13.27b |
Xy | 21.28 ± 0.17b | 71.94 ± 2.38a | 0.218 ± 0.006a | 10.21 ± 0.19b | 7.32 ± 0.09a | 300.92 ± 28.64a | |
CO2 | Elevated | 23.42 ± 0.20a | 51.78 ± 2.69b | 0.197 ± 0.007b | 10.78 ± 0.18a | 6.77 ± 0.11b | 212.25 ± 19.13b |
Ambient | 22.05 ± 0.17b | 61.14 ± 2.68a | 0.213 ± 0.005a | 10.41 ± 0.19b | 7.18 ± 0.13a | 260.17 ± 21.87a | |
Rhizobacteria infection | AB | 22.53 ± 0.16b | 56.06 ± 2.24 | 0.205 ± 0.004 | 10.54 ± 0.09b | 6.97 ± 0.24 | 228.00 ± 15.27b |
AC | 22.42 ± 0.15b | 55.53 ± 2.01 | 0.204 ± 0.004 | 10.53 ± 0.08b | 6.96 ± 0.24 | 229.38 ± 17.46b | |
CK | 23.25 ± 0.16a | 57.79 ± 2.58 | 0.206 ± 0.005 | 10.72 ± 0.13a | 6.99 ± 0.18 | 251.25 ± 23.21a |
Note:
Data in table are average ± SE. Different lowercase letters indicate significant difference between treatments by the Duncan’s test at P < 0.05; the same as in Table 8.