TABLE 1.
Ct values of candidate reference genes under different extrinsic conditions.
| Candidate genes | Temperature (Ct ± SE) | Humidity (Ct ± SE) | Photoperiod (Ct ± SE) | Host plant (Ct ± SE) | Dietary RNAi (Ct ± SE) | Extrinsic conditions (Ct ± SE) |
| EF1A | 16.780.38 | 17.691.08 | 16.070.52 | 20.001.33 | 17.490.10 | 17.750.44 |
| 28S | 9.480.88 | 8.910.77 | 8.040.50 | 10.591.29 | 7.830.13 | 9.070.42 |
| 18S | 8.980.98 | 9.030.46 | 7.200.40 | 11.681.06 | 9.370.16 | 9.400.40 |
| α-tubulin | 16.830.33 | 17.640.92 | 16.180.30 | 19.341.09 | 18.580.03 | 17.820.36 |
| β-actin | 30.000.07 | 30.770.15 | 30.660.30 | 31.020.36 | 30.780.14 | 30.670.12 |
| Actin3 | 16.610.44 | 17.290.96 | 15.920.45 | 19.821.30 | 17.890.05 | 17.650.43 |
| V-ATPase B | 18.740.32 | 18.770.84 | 18.160.41 | 21.911.18 | 21.390.10 | 19.930.41 |
| GAPDH | 17.010.47 | 17.590.91 | 16.500.50 | 19.981.19 | 18.330.08 | 18.010.40 |
| RPS9 | 19.440.39 | 20.181.00 | 19.140.55 | 22.181.38 | 21.070.06 | 20.510.43 |