Environmental factors

Number of days required for receptacles to release eggs d⁻¹

Percentage of receptacles releasing eggs at the beginning

Temperature

13˚C

26

13%

16˚C

17

22%

20˚C

6

47%

23˚C

5

70%

Light intensity

200 μmol photons m^–2∙s^–1

14

85%

100 μmol photons m^–2∙s^–1

16

61%

50 μmol photons m^–2∙s^–1

17

28%

Photoperiod

15L:9D

6

50%

12L:12D

6

42%

9L:15D

6

30%