Sedum is a long day plant. Its critical duration of light is 13 hours. Under which of the following conditions would it flower?

Maryland mammoth tabacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditons will it not flower?

Maryland mammoth tabacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditons will it not flower?

Maryland mammoth tabacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditons will it not flower?

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

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

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

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

Which of the following is a long day plant