Treatment | Physiological and biochemical response (nymph) | ||||
---|---|---|---|---|---|
Survival rate (%) | Super-cooling point (°C) | Water (%) | Glycerol (μg/mL) | Protein (μg/mL) | |
Control | 100 ± 0.0 | -22.7 ± 1.4 | 57.6 ± 1.0 | 2.6 ± 0.1 | 68.2 ± 7.9 |
0°C 2 h | 100 ± 0.0 | -23.8 ± 0.9* | 59.3 ± 1.6 | 2.9 ± 1.1 | 53.9 ± 12.7 |
5°C 2 h | 100 ± 0.0 | -24.0 ± 1.4* | 64.8 ± 1.1** | 2.9 ± 0.3 | 61.0 ± 8.6 |
0°C 10d | 62.4 ± 5.6 | -23.3 ± 1.4 | 54.7 ± 2.2 | 4.2 ± 0.1** | 112.5 ± 4.6** |
0°C 20d | 54.3 ± 7.8 | -23.7 ± 1.1* | 50.3 ± 1.6** | 3.5 ± 0.3** | 21.8 ± 6.6** |