A long day plant with critical day length of 14 hrs will flower under which of the following treatments?

Options

A. 7 hrs light - 2 hrs darkness - 3 hrs light - 5 hrs darkness - 7 hrs light
B. 5 hrs light - 2 hrs darkness - 3 hrs light - 5 hrs darkness - 7 hrs light
C. 11 hrs darkness - 2 hrs darkness - 3 hrs light-5 hrs darkness - 7 hrs light
D. 6 hrs light - 2 hrs darkness - 3 hrs light - 5 hrs darkness - 7 hrs light

Answer

A