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 Which of the following plants is not an example of long day plants?
 

Option: 1

Hyoscyamus niger (Henbane)
 


Option: 2

Spinacia (spinach) 
 


Option: 3

Beta vulgaris (Sugar beet)
 


Option: 4

Xanthium pennsylvanicum (Cocklebur).
 


Answers (1)

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Long Day Plants:

 
  • These plants require a longer day light period (usually 14-16 hours) in a 24 hours cycle for subsequent flowering.
  • Some examples of these plants which are also called as short night plants are Hyoscyamus niger (Henbane) Spinacia (spinach) Beta vulgaris (Sugar beet).
  • In long day plants the light period is critical.

Some examples of long day plants which are also called as short night plants are Hyoscyamus niger (Henbane) Spinacia (spinach) Beta vulgaris (Sugar beet)
 

Posted by

Ritika Jonwal

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