Q&A - Ask Doubts and Get Answers
Q

Answer please! Photoperiodism was first characterised in:

Photoperiodism was first characterised in:

  • Option 1)

    Tobacco

  • Option 2)

    Potato

  • Option 3)

    Tomato

  • Option 4)

    Cotton

 
Answers (1)
124 Views
V Vakul

 

 

Photoperiodism -

The response of plants to changes in relative lengths of day and night

-

 

 

They phenomenon of photoperiodism was first discovered by Garner and Allard (1920, 22) in the tobacco plant. They observed that Maryland Mammoth, the variety of tobacco could be made to flower only by reducing the light hours with artificial darkening. It could be made to remain vegetative in winter by providing extra light.


Option 1)

Tobacco

Correct Option

Option 2)

Potato

Incorrect Option

Option 3)

Tomato

Incorrect Option

Option 4)

Cotton

Incorrect Option

Exams
Articles
Questions