Table 2 Duration of different treated stages of O. nubilalis under different constant temperatures

15 °C

Sharqia

20.00 ± 0.50 a

83.33 ± 0.45 a

10.00 ± 0.70 a

33.30 ± 0.90 a

Qena

14.40 ± 0.75 b

80.00 ± 1.29 b

10.00 ± 0.52 a

24.60 ± 0.74 b

T value

6.230**

2.445*

0.221^NS

7.477**

25 °C

Sharqia

11.90 ± 0.28 a

66.67 ± 0.76 a

7.02 ± 0.14 a

20.00 ± 0.53 a

Qena

8.20 ± 0.29 b

48.60 ± 0.66 b

5.00 ± 0.46 b

14.33 ± 0.21 b

T value

9.081**

18.006**

4.185**

9.865**

35 °C

Sharqia

8.00 ± 0.36 a

52.60 ± 0.46 a

5.20 ± 0.26 a

14.08 ± 0.22 a

Qena

5.60 ± 0.07 b

32.19 ± 0.42 b

3.30 ± 0.12 b

10.99 ± 0.20 b

T value

6.532**

33.029**

6.635**

10.388**

45 °C

Sharqia

3.30 ± 0.10 a

16.70 ± 0.24 a

2.20 ± 0.05 a

5.56 ± 0.12 a

Qena

2.90 ± 0.13 b

14.20 ± 0.38 b

1.90 ± 0.03 b

5.26 ± 0.10 a

T value

2.440*

5.563**

5.468**

1.925^NS