Table 2. Daily consumption of N. californicus on different pest densities of T. urticae under five temperatures.
Stages | Treatments | Density of T. urticae | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4 | 5 | 8 | 10 | 12 | 15 | 16 | 20 | 24 | 25 | 30 | 32 | 40 | ||
Adult | 24 °C | 1.40 ± 0.24b | 1.40 ± 0.24b | 4.00 ± 0.71ab | 3.80 ± 0.86ab | 5.20 ± 1.28ab | 3.40 ± 1.03ab | 3.20 ± 1.32ab | 5.40 ± 1.36ab | 6.60 ± 1.60a | 6.80 ± 2.39a | – | – | – |
27 °C | 1.60 ± 0.40d | 2.40 ± 0.51d | 3.80 ± 1.07bcd | 3.20 ± 0.86cd | 8.20 ± 0.86ab | 11.00 ± 0.71a | 9.00 ± 1.52a | 7.20 ± 2.46abc | 10.60 ± 2.75a | 8.40 ± 1.56a | – | – | – | |
30 °C | 2.00 ± 0.45d | 2.80 ± 0.37cd | 4.00 ± 0.71cd | 5.40 ± 1.03cd | 5.60 ± 1.07cd | 5.40 ± 1.72cd | 7.40 ± 1.63bc | 12.80 ± 1.43a | 11.00 ± 2.68ab | 11.20 ± 2.51ab | – | – | – | |
33 °C | 2.20 ± 0.58f | 2.60 ± 0.51ef | 5.00 ± 0.71def | 6.20 ± 0.86cde | 6.20 ± 0.86cde | 8.80 ± 1.28bcd | 9.00 ± 1.30bc | 10.40 ± 1.21ab | 12.60 ± 2.06ab | 14.00 ± 1.92a | – | – | – | |
36 °C | 2.40 ± 0.51e | 2.40 ± 0.51e | 4.80 ± 0.86de | 6.00 ± 1.14cde | 8.00 ± 1.00bcd | 10.40 ± 0.92b | 8.40 ± 2.06bcd | 9.00 ± 1.22bc | 10.80 ± 1.35b | 4.40 ± 1.63a | – | – | – | |
Nymph | 24 °C | – | – | 4.40 ± 0.51d | 5.80 ± 1.07d | – | 9.00 ± 1.41cd | 9.80 ± 1.28bcd | 9.20 ± 1.85bcd | 15.80 ± 1.74ab | 9.40 ± 2.46bcd | 14.60 ± 3.32abc | 14.80 ± 2.59abc | 20.60 ± 2.80a |
27 °C | – | – | 6.00 ± 0.71e | 6.20 ± 0.86e | – | 9.00 ± 1.52de | 9.40 ± 1.43de | 14.40 ± 1.43bcd | 14.60 ± 2.42bcd | 13.60 ± 2.20cd | 15.60 ± 3.00bc | 19.60 ± 2.01b | 25.40 ± 1.77a | |
30 °C | – | – | 5.40 ± 0.51e | 6.40 ± 0.93de | – | 9.00 ± 1.00cde | 11.20 ± 1.35cd | 12.00 ± 1.61c | 18.00 ± 1.30b | 17.80 ± 1.39b | 18.20 ± 2.42b | 23.40 ± 2.42a | 26.60 ± 1.96a | |
33 °C | – | – | 5.40 ± 0.51g | 7.00 ± 0.71g | – | 9.60 ± 1.08ef | 11.00 ± 1.00de | 14.60 ± 1.08cd | 18.80 ± 1.07b | 17.00 ± 1.41bc | 22.80 ± 1.07a | 24.40 ± 1.70a | 25.20 ± 2.27a | |
36 °C | – | – | 5.00 ± 0.71f | 6.80 ± 0.86f | – | 11.00 ± 0.71e | 12.80 ± 0.86de | 15.20 ± 1.07cd | 17.80 ± 1.15c | 16.20 ± 1.88cd | 22.80 ± 1.24b | 25.40 ± 0.93b | 30.60 ± 1.78a | |
Larva | 24 °C | – | – | 4.20 ± 1.02f | 7.00 ± 1.30ef | – | 10.60 ± 1.69de | 13.20 ± 1.07cd | 15.00 ± 1.30cd | 17.00 ± 1.58bc | 18.00 ± 1.58bc | 21.40 ± 2.50b | 21.60 ± 2.44b | 30.40 ± 1.63a |
27 °C | – | – | 5.80 ± 0.66f | 7.60 ± 0.75ef | – | 9.20 ± 1.49def | 9.80 ± 1.35cdef | 12.40 ± 1.86cde | 14.80 ± 2.13bcd | 15.80 ± 2.44bc | 19.80 ± 1.77ab | 23.00 ± 2.70a | 23.80 ± 3.33a | |
30 °C | – | – | 5.60 ± 0.51f | 6.40 ± 1.29f | – | 9.60 ± 1.63ef | 12.20 ± 1.24de | 13.60 ± 1.29cde | 15.80 ± 1.28cd | 17.40 ± 1.03c | 22.00 ± 1.52b | 24.00 ± 1.30b | 28.40 ± 1.86a | |
33 °C | – | – | 6.00 ± 0.70g | 7.40 ± 1.08g | – | 11.80 ± 0.86f | 13.40 ± 1.21ef | 15.40 ± 1.21de | 18.00 ± 1.00cd | 19.40 ± 1.50c | 24.20 ± 1.24b | 25.40 ± 1.40b | 33.00 ± 1.41a | |
36 °C | – | – | 6.00 ± 0.71d | 6.0 ± 1.00d | – | 11.20 ± 1.07cd | 12.00 ± 1.00c | 14.00 ± 1.41bc | 19.00 ± 1.00ab | 15.80 ± 1.85bc | 21.40 ± 2.50a | 21.80 ± 2.73ab | 23.60 ± 2.80a | |
Egg | 24 °C | – | – | 5.00 ± 0.94d | 5.40 ± 1.29d | – | 11.60 ± 1.36bcd | 11.00 ± 0.71bcd | 8.60 ± 2.01cd | 13.00 ± 3.14bc | 13.00 ± 2.91bc | 18.20 ± 2.88b | 14.80 ± 3.33bc | 28.00 ± 2.34a |
27 °C | – | – | 5.00 ± 0.71d | 5.60 ± 0.51d | – | 10.20 ± 0.86cd | 12.40 ± 0.93c | 13.60 ± 1.50c | 13.40 ± 2.93c | 14.40 ± 1.29c | 21.00 ± 2.51b | 16.40 ± 3.20bc | 28.80 ± 2.54a | |
30 °C | – | – | 5.80 ± 0.86d | 6.20 ± 0.86d | – | 10.20 ± 0.86cd | 11.60 ± 1.21c | 12.00 ± 2.17c | 19.60 ± 1.03b | 18.80 ± 1.49b | 18.00 ± 2.21b | 25.60 ± 1.75a | 30.20 ± 2.58a | |
33 °C | – | – | 5.20 ± 0.86f | 6.80 ± 1.39f | – | 11.40 ± 0.93e | 11.60 ± 1.17e | 16.20 ± 1.24d | 17.60 ± 1.72d | 19.60 ± 1.21cd | 23.20 ± 1.28bc | 27.00 ± 1.58ab | 29.80 ± 2.08a | |
36 °C | – | – | 4.80 ± 0.86d | 6.40 ± 0.93d | – | 11.20 ± 0.86c | 11.80 ± 1.07c | 13.80 ± 1.43c | 14.80 ± 1.71c | 19.60 ± 0.93b | 20.60 ± 2.16b | 23.60 ± 1.78b | 29.60 ± 2.32a |
Note:
Data in the table are mean ± SE. Data in the same group followed by different letters indicate significant difference at P ≤ 0.05 Level (Duncan’s new multiple range test).